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threading issues #210

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weissi opened this issue Sep 9, 2019 · 0 comments
Open

threading issues #210

weissi opened this issue Sep 9, 2019 · 0 comments

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@weissi
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weissi commented Sep 9, 2019

at least the following tests experience thread unsafety:

  • AsyncTests.AsyncTests testSyncFlatten
  • CoreTests.CoreTests testProcessAsyncExecute
  • CoreTests.CoreTests testProcessExecute
  • ...
$ swift test --sanitize=thread
[146/146] Linking CorePackageTests
Test Suite 'All tests' started at 2019-09-09 9:48:05.465 pm
Test Suite 'CorePackageTests.xctest' started at 2019-09-09 9:48:05.465 pm
Test Suite 'AsyncTests' started at 2019-09-09 9:48:05.466 pm
Test Case '-[AsyncTests.AsyncTests testFlatten]' started.
Test Case '-[AsyncTests.AsyncTests testFlatten]' passed (0.102 seconds).
Test Case '-[AsyncTests.AsyncTests testFlattenEmpty]' started.
Test Case '-[AsyncTests.AsyncTests testFlattenEmpty]' passed (0.001 seconds).
Test Case '-[AsyncTests.AsyncTests testFlattenFail]' started.
Test Case '-[AsyncTests.AsyncTests testFlattenFail]' passed (0.001 seconds).
Test Case '-[AsyncTests.AsyncTests testFlattenPerformance]' started.
/Users/johannes/extsrc/core/Tests/AsyncTests/AsyncTests.swift:73: Test Case '-[AsyncTests.AsyncTests testFlattenPerformance]' measured [Time, seconds] average: 2.042, relative standard deviation: 9.565%, values: [2.385000, 2.420854, 2.106240, 1.999354, 1.911730, 2.019448, 1.822433, 1.895233, 1.904915, 1.951264], performanceMetricID:com.apple.XCTPerformanceMetric_WallClockTime, baselineName: "", baselineAverage: , maxPercentRegression: 10.000%, maxPercentRelativeStandardDeviation: 10.000%, maxRegression: 0.100, maxStandardDeviation: 0.100
Test Case '-[AsyncTests.AsyncTests testFlattenPerformance]' passed (24.367 seconds).
Test Case '-[AsyncTests.AsyncTests testFlattenStackOverflow]' started.
Test Case '-[AsyncTests.AsyncTests testFlattenStackOverflow]' passed (0.093 seconds).
Test Case '-[AsyncTests.AsyncTests testFlattenStress]' started.
Test Case '-[AsyncTests.AsyncTests testFlattenStress]' passed (18.868 seconds).
Test Case '-[AsyncTests.AsyncTests testSyncFlatten]' started.
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f01758 by thread T5:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #5 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:523904 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:523904 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f01758 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2dd)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:629 (CorePackageTests:x86_64+0x2573b1)
    #4 EventLoopFuture.do(_:) Future+DoCatch.swift:14 (CorePackageTests:x86_64+0x4056)
    #5 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:18 (CorePackageTests:x86_64+0x5490)
    #6 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #7 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #8 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #9 __invoking___ <null>:523904 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f01720 allocated by main thread:
    #0 malloc <null>:523936 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:523936 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:89 (CorePackageTests:x86_64+0x258f7)
    #7 partial apply for closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26a17)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x25fa6)
    #9 partial apply for thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x26ac7)
    #10 thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5dc3)
    #11 partial apply for thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5f0d)
    #12 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:18 (CorePackageTests:x86_64+0x530c)
    #13 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #14 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #15 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #16 __invoking___ <null>:523936 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T5 (tid=826541, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f01760 by thread T5:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #5 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:523904 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:523904 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f01760 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2fb)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:629 (CorePackageTests:x86_64+0x2573b1)
    #4 EventLoopFuture.do(_:) Future+DoCatch.swift:14 (CorePackageTests:x86_64+0x4056)
    #5 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:18 (CorePackageTests:x86_64+0x5490)
    #6 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #7 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #8 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #9 __invoking___ <null>:523904 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f01720 allocated by main thread:
    #0 malloc <null>:523936 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:523936 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:89 (CorePackageTests:x86_64+0x258f7)
    #7 partial apply for closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26a17)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x25fa6)
    #9 partial apply for thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x26ac7)
    #10 thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5dc3)
    #11 partial apply for thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5f0d)
    #12 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:18 (CorePackageTests:x86_64+0x530c)
    #13 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #14 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #15 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #16 __invoking___ <null>:523936 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T5 (tid=826541, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f01768 by thread T5:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x2512b3)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #5 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:523904 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:523904 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f01768 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:59 (CorePackageTests:x86_64+0x24e693)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenFailure(_:) EventLoopFuture.swift:648 (CorePackageTests:x86_64+0x2595ce)
    #4 EventLoopFuture.catch(_:) Future+DoCatch.swift:29 (CorePackageTests:x86_64+0x4133)
    #5 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:25 (CorePackageTests:x86_64+0x558f)
    #6 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #7 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #8 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #9 __invoking___ <null>:523904 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f01720 allocated by main thread:
    #0 malloc <null>:523936 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:523936 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:89 (CorePackageTests:x86_64+0x258f7)
    #7 partial apply for closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26a17)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x25fa6)
    #9 partial apply for thunk for @escaping @callee_guaranteed () -> (@owned EventLoopFuture<Int>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x26ac7)
    #10 thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5dc3)
    #11 partial apply for thunk for @escaping @callee_guaranteed () -> (@out EventLoopFuture<A1>, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x5f0d)
    #12 handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:18 (CorePackageTests:x86_64+0x530c)
    #13 Collection.syncFlatten<A>(on:) Future+Flatten.swift:34 (CorePackageTests:x86_64+0x4fa8)
    #14 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #15 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #16 __invoking___ <null>:523936 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T5 (tid=826541, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b140000d4b8 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:23 (CorePackageTests:x86_64+0x5c86)
    #5 partial apply for closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) <compiler-generated> (CorePackageTests:x86_64+0x67e1)
    #6 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #7 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #9 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #10 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #11 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #12 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #13 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #14 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #15 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #16 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #17 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #18 __tsan::invoke_and_release_block(void*) <null>:1593392 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #19 _dispatch_client_callout <null>:1593392 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b140000d4b8 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2dd)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #5 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #6 __invoking___ <null>:1593392 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b140000d480 allocated by main thread:
    #0 malloc <null>:1593424 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1593424 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 Collection.syncFlatten<A>(on:) Future+Flatten.swift:10 (CorePackageTests:x86_64+0x4a91)
    #7 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #8 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #9 __invoking___ <null>:1593424 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b140000d4c0 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:23 (CorePackageTests:x86_64+0x5c86)
    #5 partial apply for closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) <compiler-generated> (CorePackageTests:x86_64+0x67e1)
    #6 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #7 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #9 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #10 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #11 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #12 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #13 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #14 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #15 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #16 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #17 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #18 __tsan::invoke_and_release_block(void*) <null>:1593392 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #19 _dispatch_client_callout <null>:1593392 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b140000d4c0 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2fb)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #5 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #6 __invoking___ <null>:1593392 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b140000d480 allocated by main thread:
    #0 malloc <null>:1593424 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1593424 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 Collection.syncFlatten<A>(on:) Future+Flatten.swift:10 (CorePackageTests:x86_64+0x4a91)
    #7 AsyncTests.testSyncFlatten() AsyncTests.swift:100 (CorePackageTests:x86_64+0x240c7)
    #8 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #9 __invoking___ <null>:1593424 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0c00060588 by thread T13:
    #0 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ab2)
    #1 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #2 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #3 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #4 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #5 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #6 closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:23 (CorePackageTests:x86_64+0x5c86)
    #7 partial apply for closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) <compiler-generated> (CorePackageTests:x86_64+0x67e1)
    #8 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #9 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #10 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #11 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #12 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #13 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #14 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #15 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #16 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #17 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #18 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #19 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #20 __tsan::invoke_and_release_block(void*) <null>:1592224 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #21 _dispatch_client_callout <null>:1592224 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0c00060588 by main thread:
    #0 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x343609)
    #1 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #4 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #5 __invoking___ <null>:1592224 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 40 at 0x7b0c00060570 allocated by main thread:
    #0 malloc <null>:1592256 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1592256 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #4 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #5 __invoking___ <null>:1592256 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:121 in ConditionLock.lock()
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0800026db0 by thread T13:
    #0 Lock.lock() lock.swift:55 (CorePackageTests:x86_64+0x342cbe)
    #1 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ac3)
    #2 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #3 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #4 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #5 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #6 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #7 closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) Future+Flatten.swift:23 (CorePackageTests:x86_64+0x5c86)
    #8 partial apply for closure #1 in handle #1 <A><A1>(_:) in Collection.syncFlatten<A>(on:) <compiler-generated> (CorePackageTests:x86_64+0x67e1)
    #9 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #10 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #11 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #12 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #13 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #14 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #15 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #16 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #17 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #18 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:93 (CorePackageTests:x86_64+0x25cda)
    #19 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #20 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #21 __tsan::invoke_and_release_block(void*) <null>:1592096 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #22 _dispatch_client_callout <null>:1592096 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0800026db0 by main thread:
    #0 Lock.init() lock.swift:36 (CorePackageTests:x86_64+0x34298f)
    #1 Lock.__allocating_init() lock.swift (CorePackageTests:x86_64+0x342854)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #6 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #7 __invoking___ <null>:1592096 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 24 at 0x7b0800026da0 allocated by main thread:
    #0 malloc <null>:1592128 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1592128 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 AsyncTests.testSyncFlatten() AsyncTests.swift:101 (CorePackageTests:x86_64+0x2426e)
    #6 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #7 __invoking___ <null>:1592128 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:55 in Lock.lock()
==================
==================
WARNING: ThreadSanitizer: Swift access race (pid=12902)
  Read of size 8 at 0x7b080001b350 by main thread:
    #0 implicit closure #2 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x261cf)
    #1 partial apply for implicit closure #2 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2623b)
    #2 thunk for @callee_guaranteed () -> (@owned [Int], @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x21a46)
    #3 thunk for @callee_guaranteed () -> (@owned [Int], @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0x262b7)
    #4 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null> (libswiftXCTest.dylib:x86_64+0xa083)
    #5 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #6 __invoking___ <null> (CoreFoundation:x86_64h+0x4aa1b)

  Previous modifying access of Swift variable at 0x7b080001b350 by thread T13:
    #0 closure #1 in closure #1 in AsyncTests.testSyncFlatten() AsyncTests.swift:94 (CorePackageTests:x86_64+0x25d37)
    #1 partial apply for closure #1 in closure #1 in AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x2c1ff)
    #2 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #3 __tsan::invoke_and_release_block(void*) <null> (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #4 _dispatch_client_callout <null> (libdispatch.dylib:x86_64+0x34dd)

  Location is heap block of size 24 at 0x7b080001b340 allocated by main thread:
    #0 malloc <null> (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null> (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 @objc AsyncTests.testSyncFlatten() <compiler-generated> (CorePackageTests:x86_64+0x26b77)
    #3 __invoking___ <null> (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: Swift access race <compiler-generated> in implicit closure #2 in AsyncTests.testSyncFlatten()
==================
Test Case '-[AsyncTests.AsyncTests testSyncFlatten]' passed (1.644 seconds).
Test Case '-[AsyncTests.AsyncTests testVariadicMap]' started.
Test Case '-[AsyncTests.AsyncTests testVariadicMap]' passed (0.001 seconds).
Test Suite 'AsyncTests' passed at 2019-09-09 9:48:50.542 pm.
	 Executed 8 tests, with 0 failures (0 unexpected) in 45.076 (45.077) seconds
Test Suite 'ByteBufferPeekTests' started at 2019-09-09 9:48:50.543 pm
Test Case '-[BitsTests.ByteBufferPeekTests testPeekBinaryFloatingPoint]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekBinaryFloatingPoint]' passed (0.001 seconds).
Test Case '-[BitsTests.ByteBufferPeekTests testPeekBytes]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekBytes]' passed (0.001 seconds).
Test Case '-[BitsTests.ByteBufferPeekTests testPeekData]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekData]' passed (0.001 seconds).
Test Case '-[BitsTests.ByteBufferPeekTests testPeekFirstByte]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekFirstByte]' passed (0.001 seconds).
Test Case '-[BitsTests.ByteBufferPeekTests testPeekFixedWidthInteger]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekFixedWidthInteger]' passed (0.001 seconds).
Test Case '-[BitsTests.ByteBufferPeekTests testPeekString]' started.
Test Case '-[BitsTests.ByteBufferPeekTests testPeekString]' passed (0.001 seconds).
Test Suite 'ByteBufferPeekTests' passed at 2019-09-09 9:48:50.548 pm.
	 Executed 6 tests, with 0 failures (0 unexpected) in 0.005 (0.005) seconds
Test Suite 'ByteBufferRequireTests' started at 2019-09-09 9:48:50.548 pm
Test Case '-[BitsTests.ByteBufferRequireTests testRequireBinaryFloatingPoint]' started.
Test Case '-[BitsTests.ByteBufferRequireTests testRequireBinaryFloatingPoint]' passed (0.003 seconds).
Test Case '-[BitsTests.ByteBufferRequireTests testRequireData]' started.
Test Case '-[BitsTests.ByteBufferRequireTests testRequireData]' passed (0.002 seconds).
Test Case '-[BitsTests.ByteBufferRequireTests testRequireFixedWidthInteger]' started.
Test Case '-[BitsTests.ByteBufferRequireTests testRequireFixedWidthInteger]' passed (0.002 seconds).
Test Case '-[BitsTests.ByteBufferRequireTests testRequireString]' started.
Test Case '-[BitsTests.ByteBufferRequireTests testRequireString]' passed (0.002 seconds).
Test Suite 'ByteBufferRequireTests' passed at 2019-09-09 9:48:50.558 pm.
	 Executed 4 tests, with 0 failures (0 unexpected) in 0.009 (0.009) seconds
Test Suite 'CoreTests' started at 2019-09-09 9:48:50.558 pm
Test Case '-[CoreTests.CoreTests testBase64]' started.
Test Case '-[CoreTests.CoreTests testBase64]' passed (0.001 seconds).
Test Case '-[CoreTests.CoreTests testBase64URL]' started.
Test Case '-[CoreTests.CoreTests testBase64URL]' passed (0.001 seconds).
Test Case '-[CoreTests.CoreTests testBase64URLEscaping]' started.
Test Case '-[CoreTests.CoreTests testBase64URLEscaping]' passed (0.003 seconds).
Test Case '-[CoreTests.CoreTests testHeaderValue]' started.
Test Case '-[CoreTests.CoreTests testHeaderValue]' passed (0.002 seconds).
Test Case '-[CoreTests.CoreTests testHexEncodedString]' started.
Test Case '-[CoreTests.CoreTests testHexEncodedString]' passed (0.000 seconds).
Test Case '-[CoreTests.CoreTests testProcessAsyncExecute]' started.
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Write of size 1 at 0x7b0800010130 by thread T15:
    #0 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:138 (CorePackageTests:x86_64+0xd765c)
    #1 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #2 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #3 __tsan::invoke_and_release_block(void*) <null>:6429216 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #4 _dispatch_client_callout <null>:6429216 (libdispatch.dylib:x86_64+0x34dd)

  Previous read of size 1 at 0x7b0800010130 by thread T5:
    [failed to restore the stack]

  Location is heap block of size 17 at 0x7b0800010120 allocated by main thread:
    #0 malloc <null>:6429248 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:6429248 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:75 (CorePackageTests:x86_64+0xd6bad)
    #3 CoreTests.testProcessAsyncExecute() CoreTests.swift:17 (CorePackageTests:x86_64+0xde260)
    #4 @objc CoreTests.testProcessAsyncExecute() <compiler-generated> (CorePackageTests:x86_64+0xdf647)
    #5 __invoking___ <null>:6429248 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T15 (tid=826982, running) is a GCD worker thread

  Thread T5 (tid=826541, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race Process+Execute.swift:138 in closure #3 in static NSTask.asyncExecute(_:_:on:_:)
==================
Test Case '-[CoreTests.CoreTests testProcessAsyncExecute]' passed (0.077 seconds).
Test Case '-[CoreTests.CoreTests testProcessExecute]' started.
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f59638 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:1598544 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:1598544 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f59638 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2dd)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #6 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #7 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #8 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #9 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1598544 (libswiftXCTest.dylib:x86_64+0xa083)
    #10 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #11 __invoking___ <null>:1598544 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f59600 allocated by main thread:
    #0 malloc <null>:1598576 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1598576 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #10 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #11 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #12 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1598576 (libswiftXCTest.dylib:x86_64+0xa083)
    #13 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #14 __invoking___ <null>:1598576 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f59640 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:1598544 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:1598544 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f59640 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2fb)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #6 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #7 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #8 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #9 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1598544 (libswiftXCTest.dylib:x86_64+0xa083)
    #10 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #11 __invoking___ <null>:1598544 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f59600 allocated by main thread:
    #0 malloc <null>:1598576 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1598576 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #10 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #11 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #12 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1598576 (libswiftXCTest.dylib:x86_64+0xa083)
    #13 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #14 __invoking___ <null>:1598576 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0c0003db48 by thread T13:
    #0 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ab2)
    #1 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #2 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #3 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #4 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #5 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #6 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #7 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #8 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #9 __tsan::invoke_and_release_block(void*) <null>:1597376 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #10 _dispatch_client_callout <null>:1597376 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0c0003db48 by main thread:
    #0 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x343609)
    #1 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #6 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #7 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #8 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1597376 (libswiftXCTest.dylib:x86_64+0xa083)
    #9 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #10 __invoking___ <null>:1597376 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 40 at 0x7b0c0003db30 allocated by main thread:
    #0 malloc <null>:1597408 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1597408 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #6 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #7 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #8 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1597408 (libswiftXCTest.dylib:x86_64+0xa083)
    #9 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #10 __invoking___ <null>:1597408 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:121 in ConditionLock.lock()
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b08000370f0 by thread T13:
    #0 Lock.lock() lock.swift:55 (CorePackageTests:x86_64+0x342cbe)
    #1 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ac3)
    #2 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #3 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #4 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #5 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #6 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #7 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #8 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #9 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #10 __tsan::invoke_and_release_block(void*) <null>:1597248 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #11 _dispatch_client_callout <null>:1597248 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b08000370f0 by main thread:
    #0 Lock.init() lock.swift:36 (CorePackageTests:x86_64+0x34298f)
    #1 Lock.__allocating_init() lock.swift (CorePackageTests:x86_64+0x342854)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #8 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #9 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #10 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1597248 (libswiftXCTest.dylib:x86_64+0xa083)
    #11 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #12 __invoking___ <null>:1597248 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 24 at 0x7b08000370e0 allocated by main thread:
    #0 malloc <null>:1597280 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1597280 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #8 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #9 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #10 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null>:1597280 (libswiftXCTest.dylib:x86_64+0xa083)
    #11 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #12 __invoking___ <null>:1597280 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:55 in Lock.lock()
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b080001fdb0 by main thread:
    #0 static NSTask.execute(_:_:) Process+Execute.swift:56 (CorePackageTests:x86_64+0xd4a8e)
    #1 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #2 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #3 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #4 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #5 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null> (libswiftXCTest.dylib:x86_64+0xa083)
    #6 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #7 __invoking___ <null> (CoreFoundation:x86_64h+0x4aa1b)

  Previous write of size 1 at 0x7b080001fdb0 by thread T17:
    [failed to restore the stack]

  Location is heap block of size 32 at 0x7b080001fda0 allocated by main thread:
    #0 malloc <null> (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null> (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #3 implicit closure #1 in CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd0d1)
    #4 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #5 partial apply for thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0xdd247)
    #6 closure #1 in XCTAssertEqual<A>(_:_:_:file:line:) <null> (libswiftXCTest.dylib:x86_64+0xa083)
    #7 @objc CoreTests.testProcessExecute() <compiler-generated> (CorePackageTests:x86_64+0xdd3d7)
    #8 __invoking___ <null> (CoreFoundation:x86_64h+0x4aa1b)

  Thread T17 (tid=826985, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race Process+Execute.swift:56 in static NSTask.execute(_:_:)
==================
Test Case '-[CoreTests.CoreTests testProcessExecute]' passed (0.084 seconds).
Test Case '-[CoreTests.CoreTests testProcessExecuteCurl]' started.
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Write of size 1 at 0x7b080003b850 by thread T18:
    #0 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:138 (CorePackageTests:x86_64+0xd765c)
    #1 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #2 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #3 __tsan::invoke_and_release_block(void*) <null>:8038944 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #4 _dispatch_client_callout <null>:8038944 (libdispatch.dylib:x86_64+0x34dd)

  Previous read of size 1 at 0x7b080003b850 by thread T13:
    #0 closure #1 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:103 (CorePackageTests:x86_64+0xd6dd6)
    #1 partial apply for closure #1 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8c03)
    #2 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #3 __tsan::invoke_and_release_block(void*) <null>:8038944 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #4 _dispatch_client_callout <null>:8038944 (libdispatch.dylib:x86_64+0x34dd)

  Location is heap block of size 17 at 0x7b080003b840 allocated by main thread:
    #0 malloc <null>:8038976 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:8038976 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #4 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #5 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #6 __invoking___ <null>:8038976 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T18 (tid=826986, running) is a GCD worker thread

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race Process+Execute.swift:138 in closure #3 in static NSTask.asyncExecute(_:_:on:_:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f596d8 by thread T18:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:8037456 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:8037456 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f596d8 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2dd)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #6 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #7 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #8 __invoking___ <null>:8037456 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f596a0 allocated by main thread:
    #0 malloc <null>:8037488 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:8037488 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #10 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #11 __invoking___ <null>:8037488 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T18 (tid=826986, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f596e0 by thread T18:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:8037456 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:8037456 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f596e0 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2fb)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:818 (CorePackageTests:x86_64+0x25ddb8)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #6 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #7 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #8 __invoking___ <null>:8037456 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f596a0 allocated by main thread:
    #0 malloc <null>:8037488 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:8037488 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #10 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #11 __invoking___ <null>:8037488 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T18 (tid=826986, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0c00040ab8 by thread T18:
    #0 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ab2)
    #1 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #2 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #3 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #4 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #5 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #6 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #7 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #8 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #9 __tsan::invoke_and_release_block(void*) <null>:8036288 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #10 _dispatch_client_callout <null>:8036288 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0c00040ab8 by main thread:
    #0 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x343609)
    #1 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #6 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #7 __invoking___ <null>:8036288 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 40 at 0x7b0c00040aa0 allocated by main thread:
    #0 malloc <null>:8036320 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:8036320 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #6 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #7 __invoking___ <null>:8036320 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T18 (tid=826986, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:121 in ConditionLock.lock()
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0800034f30 by thread T18:
    #0 Lock.lock() lock.swift:55 (CorePackageTests:x86_64+0x342cbe)
    #1 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ac3)
    #2 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #3 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #4 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #5 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #6 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #7 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #8 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #9 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #10 __tsan::invoke_and_release_block(void*) <null>:8036160 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #11 _dispatch_client_callout <null>:8036160 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0800034f30 by main thread:
    #0 Lock.init() lock.swift:36 (CorePackageTests:x86_64+0x34298f)
    #1 Lock.__allocating_init() lock.swift (CorePackageTests:x86_64+0x342854)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #8 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #9 __invoking___ <null>:8036160 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 24 at 0x7b0800034f20 allocated by main thread:
    #0 malloc <null>:8036192 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:8036192 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 CoreTests.testProcessExecuteCurl() CoreTests.swift:10 (CorePackageTests:x86_64+0xdd741)
    #8 @objc CoreTests.testProcessExecuteCurl() <compiler-generated> (CorePackageTests:x86_64+0xdde27)
    #9 __invoking___ <null>:8036192 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T18 (tid=826986, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:55 in Lock.lock()
==================
Test Case '-[CoreTests.CoreTests testProcessExecuteCurl]' passed (0.796 seconds).
Test Case '-[CoreTests.CoreTests testProcessExecuteMissing]' started.
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f597c8 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:1598544 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:1598544 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f597c8 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2dd)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:629 (CorePackageTests:x86_64+0x2573b1)
    #4 EventLoopFuture.do(_:) Future+DoCatch.swift:14 (CorePackageTests:x86_64+0x4056)
    #5 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:48 (CorePackageTests:x86_64+0x7fe7)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #10 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #12 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598544 (libswiftXCTest.dylib:x86_64+0xffeb)
    #13 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #14 __invoking___ <null>:1598544 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f59790 allocated by main thread:
    #0 malloc <null>:1598576 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1598576 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:144 (CorePackageTests:x86_64+0xd659c)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598576 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1598576 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f597d0 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:1598544 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:1598544 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f597d0 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:54 (CorePackageTests:x86_64+0x24e2fb)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:629 (CorePackageTests:x86_64+0x2573b1)
    #4 EventLoopFuture.do(_:) Future+DoCatch.swift:14 (CorePackageTests:x86_64+0x4056)
    #5 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:48 (CorePackageTests:x86_64+0x7fe7)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #10 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #12 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598544 (libswiftXCTest.dylib:x86_64+0xffeb)
    #13 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #14 __invoking___ <null>:1598544 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f59790 allocated by main thread:
    #0 malloc <null>:1598576 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1598576 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:144 (CorePackageTests:x86_64+0xd659c)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598576 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1598576 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f597d8 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x2512b3)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #4 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #5 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #6 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #7 __tsan::invoke_and_release_block(void*) <null>:1598544 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #8 _dispatch_client_callout <null>:1598544 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f597d8 by main thread:
    #0 CallbackList.append(_:) EventLoopFuture.swift:59 (CorePackageTests:x86_64+0x24e693)
    #1 EventLoopFuture._addCallback(_:) EventLoopFuture.swift:594 (CorePackageTests:x86_64+0x255176)
    #2 EventLoopFuture._whenComplete(_:) EventLoopFuture.swift:603 (CorePackageTests:x86_64+0x255567)
    #3 EventLoopFuture.whenFailure(_:) EventLoopFuture.swift:648 (CorePackageTests:x86_64+0x2595ce)
    #4 EventLoopFuture.catch(_:) Future+DoCatch.swift:29 (CorePackageTests:x86_64+0x4133)
    #5 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:55 (CorePackageTests:x86_64+0x80b4)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #7 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #9 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #10 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #12 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598544 (libswiftXCTest.dylib:x86_64+0xffeb)
    #13 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #14 __invoking___ <null>:1598544 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f59790 allocated by main thread:
    #0 malloc <null>:1598576 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1598576 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:134 (CorePackageTests:x86_64+0xd5dea)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:144 (CorePackageTests:x86_64+0xd659c)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1598576 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1598576 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f02698 by thread T13:
    #0 EventLoopPromise._resolve(value:) EventLoopFuture.swift:191 (CorePackageTests:x86_64+0x2505b4)
    #1 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #2 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #3 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #4 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #5 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #6 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #7 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #8 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #9 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #10 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #11 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #12 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #13 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #14 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #15 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #16 __tsan::invoke_and_release_block(void*) <null>:1596112 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #17 _dispatch_client_callout <null>:1596112 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f02698 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:360 (CorePackageTests:x86_64+0x25235a)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1596112 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1596112 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1596144 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1596144 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1596144 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1596144 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:191 in EventLoopPromise._resolve(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f026a0 by thread T13:
    #0 EventLoopPromise._resolve(value:) EventLoopFuture.swift:191 (CorePackageTests:x86_64+0x2505d1)
    #1 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #2 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #3 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #4 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #5 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #6 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #7 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #8 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #9 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #10 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #11 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #12 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #13 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #14 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #15 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #16 __tsan::invoke_and_release_block(void*) <null>:1596112 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #17 _dispatch_client_callout <null>:1596112 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f026a0 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:360 (CorePackageTests:x86_64+0x252386)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1596112 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1596112 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1596144 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1596144 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1596144 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1596144 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:191 in EventLoopPromise._resolve(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f02690 by thread T13:
    #0 EventLoopFuture.value.didset EventLoopFuture.swift:338 (CorePackageTests:x86_64+0x251722)
    #1 EventLoopFuture.value.setter <compiler-generated> (CorePackageTests:x86_64+0x251aac)
    #2 EventLoopFuture._setValue(value:) EventLoopFuture.swift:677 (CorePackageTests:x86_64+0x2511e2)
    #3 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #4 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #5 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #6 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #7 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #8 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #9 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #10 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #11 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #12 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #13 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #14 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #15 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #16 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #17 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #18 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #19 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #20 __tsan::invoke_and_release_block(void*) <null>:1594640 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #21 _dispatch_client_callout <null>:1594640 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f02690 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:362 (CorePackageTests:x86_64+0x25259f)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594640 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1594640 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1594672 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1594672 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594672 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1594672 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:338 in EventLoopFuture.value.didset
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Atomic write of size 1 at 0x7b0400300120 by thread T13:
    #0 __tsan_atomic8_store <null>:1594160 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x465ac)
    #1 catmc_atomic__Bool_store c-atomics.c:95 (CorePackageTests:x86_64+0x581c4)
    #2 @nonobjc catmc_atomic__Bool_store(_:_:) <compiler-generated> (CorePackageTests:x86_64+0x3300cf)
    #3 thunk for @escaping @callee_guaranteed (@unowned OpaquePointer, @unowned Bool) -> () <compiler-generated> (CorePackageTests:x86_64+0x330973)
    #4 partial apply for thunk for @escaping @callee_guaranteed (@unowned OpaquePointer, @unowned Bool) -> () <compiler-generated> (CorePackageTests:x86_64+0x3422a8)
    #5 UnsafeEmbeddedAtomic.store(_:) atomics.swift:167 (CorePackageTests:x86_64+0x32e960)
    #6 EventLoopFuture.value.didset EventLoopFuture.swift:338 (CorePackageTests:x86_64+0x251749)
    #7 EventLoopFuture.value.setter <compiler-generated> (CorePackageTests:x86_64+0x251aac)
    #8 EventLoopFuture._setValue(value:) EventLoopFuture.swift:677 (CorePackageTests:x86_64+0x2511e2)
    #9 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #10 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #11 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #12 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #13 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #14 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #15 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #16 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #17 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #18 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #19 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #20 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #21 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #22 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #23 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #24 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #25 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #26 __tsan::invoke_and_release_block(void*) <null>:1594160 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #27 _dispatch_client_callout <null>:1594160 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 1 at 0x7b0400300120 by main thread:
    #0 catmc_atomic__Bool_create c-atomics.c:95 (CorePackageTests:x86_64+0x57ea5)
    #1 @nonobjc catmc_atomic__Bool_create(_:) <compiler-generated> (CorePackageTests:x86_64+0x32f4f6)
    #2 thunk for @escaping @callee_guaranteed (@unowned Bool) -> (@unowned OpaquePointer) <compiler-generated> (CorePackageTests:x86_64+0x3302eb)
    #3 partial apply for thunk for @escaping @callee_guaranteed (@unowned Bool) -> (@unowned OpaquePointer) <compiler-generated> (CorePackageTests:x86_64+0x3426a0)
    #4 UnsafeEmbeddedAtomic.init(value:) atomics.swift:48 (CorePackageTests:x86_64+0x32e2cd)
    #5 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:362 (CorePackageTests:x86_64+0x252549)
    #6 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #7 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #8 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #9 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #10 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #11 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #12 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #13 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #14 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #15 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #16 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #17 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #18 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594160 (libswiftXCTest.dylib:x86_64+0xffeb)
    #19 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #20 __invoking___ <null>:1594160 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 1 at 0x7b0400300120 allocated by main thread:
    #0 malloc <null>:1594192 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 catmc_atomic__Bool_create c-atomics.c:95 (CorePackageTests:x86_64+0x57e88)
    #2 @nonobjc catmc_atomic__Bool_create(_:) <compiler-generated> (CorePackageTests:x86_64+0x32f4f6)
    #3 thunk for @escaping @callee_guaranteed (@unowned Bool) -> (@unowned OpaquePointer) <compiler-generated> (CorePackageTests:x86_64+0x3302eb)
    #4 partial apply for thunk for @escaping @callee_guaranteed (@unowned Bool) -> (@unowned OpaquePointer) <compiler-generated> (CorePackageTests:x86_64+0x3426a0)
    #5 UnsafeEmbeddedAtomic.init(value:) atomics.swift:48 (CorePackageTests:x86_64+0x32e2cd)
    #6 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:362 (CorePackageTests:x86_64+0x252549)
    #7 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #8 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #9 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #10 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #11 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #12 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #13 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #14 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #15 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #16 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #17 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #18 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #19 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594192 (libswiftXCTest.dylib:x86_64+0xffeb)
    #20 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #21 __invoking___ <null>:1594192 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race c-atomics.c:95 in catmc_atomic__Bool_store
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f026a8 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25126c)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #4 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #5 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #6 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #7 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #9 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #10 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #11 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #12 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #13 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #14 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #15 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #16 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #17 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #18 __tsan::invoke_and_release_block(void*) <null>:1595216 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #19 _dispatch_client_callout <null>:1595216 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f026a8 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:357 (CorePackageTests:x86_64+0x25226b)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595216 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595216 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1595248 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1595248 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595248 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595248 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f026b0 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x25128f)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #4 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #5 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #6 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #7 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #9 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #10 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #11 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #12 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #13 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #14 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #15 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #16 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #17 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #18 __tsan::invoke_and_release_block(void*) <null>:1595216 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #19 _dispatch_client_callout <null>:1595216 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f026b0 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:357 (CorePackageTests:x86_64+0x252297)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595216 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595216 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1595248 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1595248 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595248 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595248 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b1400f026b8 by thread T13:
    #0 EventLoopFuture._setValue(value:) EventLoopFuture.swift:678 (CorePackageTests:x86_64+0x2512b3)
    #1 EventLoopPromise._setValue(value:) EventLoopFuture.swift:206 (CorePackageTests:x86_64+0x250b99)
    #2 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x250667)
    #3 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #4 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #5 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #6 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #7 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #8 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #9 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #10 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #11 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #12 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #13 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #14 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #15 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #16 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #17 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #18 __tsan::invoke_and_release_block(void*) <null>:1595216 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #19 _dispatch_client_callout <null>:1595216 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b1400f026b8 by main thread:
    #0 EventLoopFuture.init(eventLoop:value:file:line:) EventLoopFuture.swift:357 (CorePackageTests:x86_64+0x2522c4)
    #1 EventLoopFuture.__allocating_init(eventLoop:value:file:line:) EventLoopFuture.swift (CorePackageTests:x86_64+0x251e10)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595216 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595216 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 80 at 0x7b1400f02670 allocated by main thread:
    #0 malloc <null>:1595248 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1595248 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.__allocating_init(eventLoop:file:line:) EventLoopFuture.swift:373 (CorePackageTests:x86_64+0x2501fc)
    #3 EventLoopPromise.init(eventLoop:file:line:) EventLoopFuture.swift:163 (CorePackageTests:x86_64+0x24fee1)
    #4 EventLoop.newPromise<A>(of:file:line:) EventLoop.swift:322 (CorePackageTests:x86_64+0x2356ff)
    #5 EventLoop.newPromise<A>(_:file:line:) Async+NIO.swift:13 (CorePackageTests:x86_64+0x152f)
    #6 EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:46 (CorePackageTests:x86_64+0x7eda)
    #7 static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:150 (CorePackageTests:x86_64+0xd680e)
    #8 static NSTask.execute(_:_:) Process+Execute.swift:45 (CorePackageTests:x86_64+0xd439f)
    #9 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #10 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #11 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #12 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #13 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1595248 (libswiftXCTest.dylib:x86_64+0xffeb)
    #14 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #15 __invoking___ <null>:1595248 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race EventLoopFuture.swift:678 in EventLoopFuture._setValue(value:)
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0c00057fa8 by thread T13:
    #0 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ab2)
    #1 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #2 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #3 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #4 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #5 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #6 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #7 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #8 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #9 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #10 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #11 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #12 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #13 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #14 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #15 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #16 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #17 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #18 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #19 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #20 __tsan::invoke_and_release_block(void*) <null>:1594048 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #21 _dispatch_client_callout <null>:1594048 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0c00057fa8 by main thread:
    #0 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x343609)
    #1 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #6 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #7 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #8 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594048 (libswiftXCTest.dylib:x86_64+0xffeb)
    #9 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #10 __invoking___ <null>:1594048 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 40 at 0x7b0c00057f90 allocated by main thread:
    #0 malloc <null>:1594080 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1594080 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #3 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #4 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #5 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #6 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #7 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #8 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1594080 (libswiftXCTest.dylib:x86_64+0xffeb)
    #9 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #10 __invoking___ <null>:1594080 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:121 in ConditionLock.lock()
==================
==================
WARNING: ThreadSanitizer: data race (pid=12902)
  Read of size 8 at 0x7b0800028250 by thread T13:
    #0 Lock.lock() lock.swift:55 (CorePackageTests:x86_64+0x342cbe)
    #1 ConditionLock.lock() lock.swift:121 (CorePackageTests:x86_64+0x343ac3)
    #2 closure #2 in EventLoopFuture.wait(file:line:) EventLoopFuture.swift:819 (CorePackageTests:x86_64+0x25e96c)
    #3 partial apply for closure #2 in EventLoopFuture.wait(file:line:) <compiler-generated> (CorePackageTests:x86_64+0x26458f)
    #4 CallbackList._run() EventLoopFuture.swift:82 (CorePackageTests:x86_64+0x24ef00)
    #5 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #6 EventLoopPromise.fail(error:) EventLoopFuture.swift:179 (CorePackageTests:x86_64+0x250ac6)
    #7 closure #1 in EventLoopFuture.flatMap<A>(to:_:) Future+Map.swift:53 (CorePackageTests:x86_64+0x83a3)
    #8 partial apply for closure #1 in EventLoopFuture.flatMap<A>(to:_:) <compiler-generated> (CorePackageTests:x86_64+0x84c4)
    #9 closure #1 in EventLoopFuture.whenSuccess(_:) EventLoopFuture.swift:631 (CorePackageTests:x86_64+0x259402)
    #10 partial apply for closure #1 in EventLoopFuture.whenSuccess(_:) <compiler-generated> (CorePackageTests:x86_64+0x25cfdf)
    #11 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24e71b)
    #12 thunk for @escaping @callee_guaranteed () -> (@owned CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x26880d)
    #13 thunk for @escaping @callee_guaranteed () -> (@out CallbackList) <compiler-generated> (CorePackageTests:x86_64+0x24dfcb)
    #14 thunk for @escaping @callee_guaranteed () -> (@out CallbackList)partial apply <compiler-generated> (CorePackageTests:x86_64+0x268a5b)
    #15 CallbackList._run() EventLoopFuture.swift:108 (CorePackageTests:x86_64+0x24faf5)
    #16 EventLoopPromise._resolve(value:) EventLoopFuture.swift:192 (CorePackageTests:x86_64+0x2506c5)
    #17 EventLoopPromise.succeed(result:) EventLoopFuture.swift:171 (CorePackageTests:x86_64+0x25045a)
    #18 closure #3 in static NSTask.asyncExecute(_:_:on:_:) Process+Execute.swift:139 (CorePackageTests:x86_64+0xd76b9)
    #19 partial apply for closure #3 in static NSTask.asyncExecute(_:_:on:_:) <compiler-generated> (CorePackageTests:x86_64+0xd8eed)
    #20 thunk for @escaping @callee_guaranteed () -> () <compiler-generated> (CorePackageTests:x86_64+0x25e00)
    #21 __tsan::invoke_and_release_block(void*) <null>:1593920 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x6d65b)
    #22 _dispatch_client_callout <null>:1593920 (libdispatch.dylib:x86_64+0x34dd)

  Previous write of size 8 at 0x7b0800028250 by main thread:
    #0 Lock.init() lock.swift:36 (CorePackageTests:x86_64+0x34298f)
    #1 Lock.__allocating_init() lock.swift (CorePackageTests:x86_64+0x342854)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #8 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #9 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #10 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1593920 (libswiftXCTest.dylib:x86_64+0xffeb)
    #11 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #12 __invoking___ <null>:1593920 (CoreFoundation:x86_64h+0x4aa1b)

  Location is heap block of size 24 at 0x7b0800028240 allocated by main thread:
    #0 malloc <null>:1593952 (libclang_rt.tsan_osx_dynamic.dylib:x86_64h+0x4e6ba)
    #1 swift_slowAlloc <null>:1593952 (libswiftCore.dylib:x86_64+0x2cdd98)
    #2 ConditionLock.init(value:) lock.swift:108 (CorePackageTests:x86_64+0x3435bc)
    #3 ConditionLock.__allocating_init(value:) lock.swift (CorePackageTests:x86_64+0x343330)
    #4 EventLoopFuture.wait(file:line:) EventLoopFuture.swift:817 (CorePackageTests:x86_64+0x25dcad)
    #5 static NSTask.execute(_:_:) Process+Execute.swift:52 (CorePackageTests:x86_64+0xd4494)
    #6 static NSTask.execute(_:_:) Process+Execute.swift:27 (CorePackageTests:x86_64+0xd3ef5)
    #7 implicit closure #1 in CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdf9f1)
    #8 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error) <compiler-generated> (CorePackageTests:x86_64+0x1ceb6)
    #9 thunk for @callee_guaranteed () -> (@owned String, @error @owned Error)partial apply <compiler-generated> (CorePackageTests:x86_64+0xdfb67)
    #10 closure #1 in XCTAssertThrowsError<A>(_:_:file:line:_:) <null>:1593952 (libswiftXCTest.dylib:x86_64+0xffeb)
    #11 @objc CoreTests.testProcessExecuteMissing() <compiler-generated> (CorePackageTests:x86_64+0xdfcb7)
    #12 __invoking___ <null>:1593952 (CoreFoundation:x86_64h+0x4aa1b)

  Thread T13 (tid=826938, running) is a GCD worker thread

SUMMARY: ThreadSanitizer: data race lock.swift:55 in Lock.lock()
==================
Test Case '-[CoreTests.CoreTests testProcessExecuteMissing]' passed (0.153 seconds).
Test Suite 'CoreTests' passed at 2019-09-09 9:48:51.677 pm.
	 Executed 9 tests, with 0 failures (0 unexpected) in 1.119 (1.119) seconds
Test Suite 'FooErrorTests' started at 2019-09-09 9:48:51.677 pm
Test Case '-[DebuggingTests.FooErrorTests testCausesAndSuggestions]' started.
Test Case '-[DebuggingTests.FooErrorTests testCausesAndSuggestions]' passed (0.000 seconds).
Test Case '-[DebuggingTests.FooErrorTests testIdentifier]' started.
Test Case '-[DebuggingTests.FooErrorTests testIdentifier]' passed (0.000 seconds).
Test Case '-[DebuggingTests.FooErrorTests testOmitEmptyFields]' started.
Test Case '-[DebuggingTests.FooErrorTests testOmitEmptyFields]' passed (0.002 seconds).
Test Case '-[DebuggingTests.FooErrorTests testPrintable]' started.
⚠️ Foo Error: You do not have a `foo`.
- id: FooError.noFoo

Here are some possible causes: 
- You did not set the flongwaffle.
- The session ended before a `Foo` could be made.
- The universe conspires against us all.
- Computers are hard.

These suggestions could address the issue: 
- You really want to use a `Bar` here.
- Take up the guitar and move to the beach.

Vapor's documentation talks about this: 
- http://documentation.com/Foo
- http://documentation.com/foo/noFoo

Test Case '-[DebuggingTests.FooErrorTests testPrintable]' passed (0.001 seconds).
Test Case '-[DebuggingTests.FooErrorTests testReadableName]' started.
Test Case '-[DebuggingTests.FooErrorTests testReadableName]' passed (0.000 seconds).
Test Suite 'FooErrorTests' passed at 2019-09-09 9:48:51.681 pm.
	 Executed 5 tests, with 0 failures (0 unexpected) in 0.003 (0.004) seconds
Test Suite 'GeneralTests' started at 2019-09-09 9:48:51.681 pm
Test Case '-[DebuggingTests.GeneralTests testBulletedList]' started.
Test Case '-[DebuggingTests.GeneralTests testBulletedList]' passed (0.000 seconds).
Test Case '-[DebuggingTests.GeneralTests testMinimumConformance]' started.
Test Case '-[DebuggingTests.GeneralTests testMinimumConformance]' passed (0.001 seconds).
Test Suite 'GeneralTests' passed at 2019-09-09 9:48:51.682 pm.
	 Executed 2 tests, with 0 failures (0 unexpected) in 0.001 (0.001) seconds
Test Suite 'ReflectableTests' started at 2019-09-09 9:48:51.682 pm
Test Case '-[CoreTests.ReflectableTests testArrayNested]' started.
Test Case '-[CoreTests.ReflectableTests testArrayNested]' passed (0.014 seconds).
Test Case '-[CoreTests.ReflectableTests testCache]' started.
Test Case '-[CoreTests.ReflectableTests testCache]' passed (0.011 seconds).
Test Case '-[CoreTests.ReflectableTests testCaseIterableExtension]' started.
Test Case '-[CoreTests.ReflectableTests testCaseIterableExtension]' passed (0.000 seconds).
Test Case '-[CoreTests.ReflectableTests testCustomCodingKeys]' started.
Test Case '-[CoreTests.ReflectableTests testCustomCodingKeys]' passed (0.002 seconds).
Test Case '-[CoreTests.ReflectableTests testGH112]' started.
Test Case '-[CoreTests.ReflectableTests testGH112]' passed (0.002 seconds).
Test Case '-[CoreTests.ReflectableTests testGH119]' started.
Test Case '-[CoreTests.ReflectableTests testGH119]' passed (0.001 seconds).
Test Case '-[CoreTests.ReflectableTests testNestedStruct]' started.
Test Case '-[CoreTests.ReflectableTests testNestedStruct]' passed (0.016 seconds).
Test Case '-[CoreTests.ReflectableTests testNonOptionalsOnly]' started.
Test Case '-[CoreTests.ReflectableTests testNonOptionalsOnly]' passed (0.003 seconds).
Test Case '-[CoreTests.ReflectableTests testProperties]' started.
Test Case '-[CoreTests.ReflectableTests testProperties]' passed (0.011 seconds).
Test Case '-[CoreTests.ReflectableTests testPropertyA]' started.
Test Case '-[CoreTests.ReflectableTests testPropertyA]' passed (0.001 seconds).
Test Case '-[CoreTests.ReflectableTests testPropertyDepth]' started.
Test Case '-[CoreTests.ReflectableTests testPropertyDepth]' passed (0.002 seconds).
Test Case '-[CoreTests.ReflectableTests testStruct]' started.
Test Case '-[CoreTests.ReflectableTests testStruct]' passed (0.030 seconds).
Test Case '-[CoreTests.ReflectableTests testStructCustomProperties]' started.
Test Case '-[CoreTests.ReflectableTests testStructCustomProperties]' passed (0.001 seconds).
Test Suite 'ReflectableTests' passed at 2019-09-09 9:48:51.776 pm.
	 Executed 13 tests, with 0 failures (0 unexpected) in 0.093 (0.094) seconds
Test Suite 'TraceableTests' started at 2019-09-09 9:48:51.776 pm
Test Case '-[DebuggingTests.TraceableTests testPrintable]' started.
⚠️ [TestError.foo: So we can test stuff] [Possible causes: What do you expect, you're testing errors.] [Suggested fixes: Get a better keyboard to chair interface.]


⚠️ TestError: So we can test stuff
- id: TestError.foo

Here are some possible causes: 
- What do you expect, you're testing errors.

These suggestions could address the issue: 
- Get a better keyboard to chair interface.

Test Case '-[DebuggingTests.TraceableTests testPrintable]' passed (0.003 seconds).
Test Suite 'TraceableTests' passed at 2019-09-09 9:48:51.780 pm.
	 Executed 1 test, with 0 failures (0 unexpected) in 0.003 (0.003) seconds
Test Suite 'CorePackageTests.xctest' passed at 2019-09-09 9:48:51.780 pm.
	 Executed 48 tests, with 0 failures (0 unexpected) in 46.308 (46.314) seconds
Test Suite 'All tests' passed at 2019-09-09 9:48:51.780 pm.
	 Executed 48 tests, with 0 failures (0 unexpected) in 46.308 (46.315) seconds
ThreadSanitizer: reported 31 warnings
Exited with signal code 6
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@weissi