x/tools/gopls/internal/filecache: TestConcurrency failures [consistent failure]

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestConcurrency
unexpected fault address 0x476256803ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x476256803ef8 pc=0x172b58]

goroutine 19 gp=0x476255dbcfc0 m=16 mp=0x476256280808 [running]:
runtime.throw({0x1df51c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x4762567fff08 sp=0x4762567ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x4762567fff60 sp=0x4762567fff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x47625607e000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x4762560787d8 sp=0x4762560787d8 pc=0x16cf40
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x4762560787d8 sp=0x4762560787d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-18 16:37 x_tools-gotip-linux-loong64 tools@58f345b3 go@f9701d21 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x476256803ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x476256803ef8 pc=0x172b58]

goroutine 19 gp=0x476255dbcfc0 m=16 mp=0x476256280808 [running]:
runtime.throw({0x1df51c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x4762567fff08 sp=0x4762567ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x4762567fff60 sp=0x4762567fff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x47625607e000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x4762560787d8 sp=0x4762560787d8 pc=0x16cf40
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x4762560787d8 sp=0x4762560787d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

2025-09-19 01:07 x_tools-gotip-linux-loong64 tools@ef6334c8 go@b8af7443 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x7628d4803ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x7628d4803ef8 pc=0x172848]

goroutine 111 gp=0x7628d43c5340 m=0 mp=0x3553a0 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x7628d47fff08 sp=0x7628d47ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x7628d47fff60 sp=0x7628d47fff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x7628d45d2000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x7628d45cc7d8 sp=0x7628d45cc7d8 pc=0x16cc30
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x7628d45cc7d8 sp=0x7628d45cc7d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

2025-09-19 18:55 x_tools-gotip-linux-loong64 tools@016ea29a go@9693b94b x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x3caa1b403ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x3caa1b403ef8 pc=0x172848]

goroutine 137 gp=0x3caa1ae63c00 m=8 mp=0x3caa1b100008 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x3caa1b3fff08 sp=0x3caa1b3ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x3caa1b3fff60 sp=0x3caa1b3fff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 21
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 220 gp=0x3caa1b166fc0 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x3caa1b16c7d8 sp=0x3caa1b16c7d8 pc=0x16cc30
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x3caa1b16c7d8 sp=0x3caa1b16c7d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 21
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

2025-09-19 21:25 x_tools-gotip-linux-loong64 tools@ef565f56 go@9693b94b x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x116f0d803ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x116f0d803ef8 pc=0x172848]

goroutine 31 gp=0x116f0d1b6540 m=6 mp=0x116f0d548008 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x116f0d7fff08 sp=0x116f0d7ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x116f0d7fff60 sp=0x116f0d7fff08 pc=0x903a0
...
golang.org/x/tools/gopls/internal/filecache_test.TestConcurrency.func1(0x0)
	/home/swarming/.swarming/w/ir/x/w/targetrepo174287401/gopls/internal/filecache/filecache_test.go:89 +0xe4 fp=0x116f0d6fff68 sp=0x116f0d633ef8 pc=0x172904
golang.org/x/tools/gopls/internal/filecache_test.TestConcurrency.func3()
	/home/swarming/.swarming/w/ir/x/w/targetrepo174287401/gopls/internal/filecache/filecache_test.go:104 +0x28 fp=0x116f0d6fff78 sp=0x116f0d6fff68 pc=0x172768
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:93 +0x54 fp=0x116f0d6fffd8 sp=0x116f0d6fff78 pc=0x16cc84
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x116f0d6fffd8 sp=0x116f0d6fffd8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

2025-09-19 22:09 x_tools-gotip-linux-loong64 tools@cb57b4c2 go@177cd8d7 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x3304e9403ec8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x3304e9403ec8 pc=0x171e68]

goroutine 9 gp=0x3304e913ba40 m=0 mp=0x3553a0 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x3304e93fff18 sp=0x3304e93ffef0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x3304e93fff70 sp=0x3304e93fff18 pc=0x903a0
...
time.Sleep(0x45d964b800)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x158 fp=0x3304e91d0cf0 sp=0x3304e91d0ca0 pc=0x921f8
golang.org/x/tools/gopls/internal/filecache.gc({0x3304e9152400, 0x32})
	/home/swarming/.swarming/w/ir/x/w/targetrepo1899762087/gopls/internal/filecache/filecache.go:457 +0x118 fp=0x3304e91d0fc0 sp=0x3304e91d0cf0 pc=0x16b8b8
golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/targetrepo1899762087/gopls/internal/filecache/filecache.go:365 +0x24 fp=0x3304e91d0fd8 sp=0x3304e91d0fc0 pc=0x16c584
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x3304e91d0fd8 sp=0x3304e91d0fd8 pc=0x961e4
created by golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1 in goroutine 7
	/home/swarming/.swarming/w/ir/x/w/targetrepo1899762087/gopls/internal/filecache/filecache.go:365 +0x174

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-22 16:45 x_tools-gotip-linux-loong64 tools@4fb47d0d go@177cd8d7 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x5dc6ac803ec8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x5dc6ac803ec8 pc=0x171e68]

goroutine 21 gp=0x5dc6ac582a80 m=0 mp=0x3553a0 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x5dc6ac7fff18 sp=0x5dc6ac7ffef0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x5dc6ac7fff70 sp=0x5dc6ac7fff18 pc=0x903a0
...
time.Sleep(0x45d964b800)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x158 fp=0x5dc6ac59ecf0 sp=0x5dc6ac59eca0 pc=0x921f8
golang.org/x/tools/gopls/internal/filecache.gc({0x5dc6ac5ea1c0, 0x32})
	/home/swarming/.swarming/w/ir/x/w/targetrepo511820861/gopls/internal/filecache/filecache.go:457 +0x118 fp=0x5dc6ac59efc0 sp=0x5dc6ac59ecf0 pc=0x16b8b8
golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/targetrepo511820861/gopls/internal/filecache/filecache.go:365 +0x24 fp=0x5dc6ac59efd8 sp=0x5dc6ac59efc0 pc=0x16c584
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x5dc6ac59efd8 sp=0x5dc6ac59efd8 pc=0x961e4
created by golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1 in goroutine 19
	/home/swarming/.swarming/w/ir/x/w/targetrepo511820861/gopls/internal/filecache/filecache.go:365 +0x174

— watchflakes

[findleyr]

CC @golang/loong64

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-22 16:45 x_tools-gotip-linux-loong64 tools@4fb47d0d go@9b2d39b7 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x306a5e403ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x306a5e403ef8 pc=0x172848]

goroutine 91 gp=0x306a5df66fc0 m=2 mp=0x306a5dc5a808 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x306a5e3fff08 sp=0x306a5e3ffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x306a5e3fff60 sp=0x306a5e3fff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x306a5dfb6000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x306a5dfb07d8 sp=0x306a5dfb07d8 pc=0x16cc30
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x306a5dfb07d8 sp=0x306a5dfb07d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

— watchflakes

[gopherbot]

Change https://go.dev/cl/706035 mentions this issue: Revert "cmd/internal/obj/loong64: use the MOVVP instruction to optimize prologue"

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-22 16:45 x_tools-gotip-linux-loong64 tools@4fb47d0d go@22ac3288 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x3ac7d6c03ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x3ac7d6c03ef8 pc=0x172848]

goroutine 209 gp=0x3ac7d69c41c0 m=0 mp=0x3553a0 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x3ac7d6bfff08 sp=0x3ac7d6bffee0 pc=0x8e7b8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x3ac7d6bfff60 sp=0x3ac7d6bfff08 pc=0x903a0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x3ac7d69c4000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x3ac7d69c27d8 sp=0x3ac7d69c27d8 pc=0x16cc30
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x3ac7d69c27d8 sp=0x3ac7d69c27d8 pc=0x961e4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-22 16:45 x_tools-gotip-linux-loong64 tools@4fb47d0d go@7e0251bf x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x6a6e8bc03ef8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x6a6e8bc03ef8 pc=0x172858]

goroutine 57 gp=0x6a6e8ad23340 m=40 mp=0x6a6e8b2ed808 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x6a6e8bbfff08 sp=0x6a6e8bbffee0 pc=0x8e7c8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x6a6e8bbfff60 sp=0x6a6e8bbfff08 pc=0x903b0
...
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

goroutine 208 gp=0x6a6e8b088000 m=nil [runnable]:
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 fp=0x6a6e8b0827d8 sp=0x6a6e8b0827d8 pc=0x16cc40
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x6a6e8b0827d8 sp=0x6a6e8b0827d8 pc=0x961f4
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 9
	/home/swarming/.swarming/w/ir/x/w/gopath/pkg/mod/golang.org/x/sync@v0.17.0/errgroup/errgroup.go:78 +0x98

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/tools/gopls/internal/filecache" && test == "TestConcurrency"

2025-09-22 16:45 x_tools-gotip-linux-loong64 tools@4fb47d0d go@5d040df0 x/tools/gopls/internal/filecache.TestConcurrency [SKIP] (log)

=== RUN   TestConcurrency
unexpected fault address 0x51e9e9003ec8
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0x51e9e9003ec8 pc=0x171e78]

goroutine 9 gp=0x51e9e8cb7a40 m=0 mp=0x3553a0 [running]:
runtime.throw({0x1df65c?, 0x0?})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:1227 +0x38 fp=0x51e9e8ffff18 sp=0x51e9e8fffef0 pc=0x8e7c8
runtime.sigpanic()
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/signal_unix.go:939 +0x240 fp=0x51e9e8ffff70 sp=0x51e9e8ffff18 pc=0x903b0
...
time.Sleep(0x45d964b800)
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/time.go:363 +0x158 fp=0x51e9e8d4ccf0 sp=0x51e9e8d4cca0 pc=0x92208
golang.org/x/tools/gopls/internal/filecache.gc({0x51e9e8cce400, 0x32})
	/home/swarming/.swarming/w/ir/x/w/targetrepo1557817291/gopls/internal/filecache/filecache.go:457 +0x118 fp=0x51e9e8d4cfc0 sp=0x51e9e8d4ccf0 pc=0x16b8c8
golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1.gowrap1()
	/home/swarming/.swarming/w/ir/x/w/targetrepo1557817291/gopls/internal/filecache/filecache.go:365 +0x24 fp=0x51e9e8d4cfd8 sp=0x51e9e8d4cfc0 pc=0x16c594
runtime.goexit({})
	/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_loong64.s:701 +0x4 fp=0x51e9e8d4cfd8 sp=0x51e9e8d4cfd8 pc=0x961f4
created by golang.org/x/tools/gopls/internal/filecache.getCacheDir.func1 in goroutine 7
	/home/swarming/.swarming/w/ir/x/w/targetrepo1557817291/gopls/internal/filecache/filecache.go:365 +0x174

— watchflakes