Intermittent timeout on _mozilla/mozilla/referrer-policy/origin-when-cross-origin/meta-csp/cross-origin/http-https/iframe-tag/cross-origin.no-redirect.http.html

[Manishearth]

#18750 (comment)

http://build.servo.org/builders/linux-rel-css/builds/6736/steps/test/logs/stdio

  ▶ TIMEOUT [expected OK] /_mozilla/mozilla/referrer-policy/origin-when-cross-origin/meta-csp/cross-origin/http-https/iframe-tag/cross-origin.no-redirect.http.html
  │ 
  │ VMware, Inc.
  │ softpipe
  │ 3.3 (Core Profile) Mesa 17.3.0-devel
  │ called `Result::unwrap()` on an `Err` value: Io(Error { repr: Os { code: 104, message: "Connection reset by peer" } }) (thread Constellation, at /checkout/src/libcore/result.rs:906)
  │ stack backtrace:
  │    0:     0x7faf749d148c - backtrace::backtrace::trace::h3049d3b23f5565ad
  │    1:     0x7faf749d14c2 - backtrace::capture::Backtrace::new::h48230b597774155d
  │    2:     0x7faf7473d355 - servo::main::{{closure}}::h9947ccb7c472d5d4
  │    3:     0x7faf76af5416 - std::panicking::rust_panic_with_hook
  │                         at /checkout/src/libstd/panicking.rs:578
  │    4:     0x7faf76af52a4 - std::panicking::begin_panic<alloc::string::String>
  │                         at /checkout/src/libstd/panicking.rs:538
  │    5:     0x7faf76af51a9 - std::panicking::begin_panic_fmt
  │                         at /checkout/src/libstd/panicking.rs:522
  │    6:     0x7faf76af513a - std::panicking::rust_begin_panic
  │                         at /checkout/src/libstd/panicking.rs:498
  │    7:     0x7faf76b042f0 - core::panicking::panic_fmt
  │                         at /checkout/src/libcore/panicking.rs:71
  │    8:     0x7faf76156011 - core::result::unwrap_failed::h43672b9dbb3f3be1
  │    9:     0x7faf761588d7 - webrender_api::api::RenderApiSender::create_api::hff627a2d741a311a
  │   10:     0x7faf74781456 - constellation::pipeline::UnprivilegedPipelineContent::start_all::h044c38a4e1a8454e
  │   11:     0x7faf74811796 - <constellation::constellation::Constellation<Message, LTF, STF>>::new_pipeline::hbfcaec9076dcccfc
  │   12:     0x7faf7483ab64 - <constellation::constellation::Constellation<Message, LTF, STF>>::handle_request_from_compositor::h11f80bbdab2fa56e
  │   13:     0x7faf74816e47 - <constellation::constellation::Constellation<Message, LTF, STF>>::handle_request::hf122ba9acf223007
  │   14:     0x7faf747b76b1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h473081c5c3946aa2
  │   15:     0x7faf747b80d5 - std::panicking::try::do_call::h68ba239cc880c17f
  │   16:     0x7faf76afc55c - panic_unwind::__rust_maybe_catch_panic
  │                         at /checkout/src/libpanic_unwind/lib.rs:99
  │   17:     0x7faf747f8622 - <F as alloc::boxed::FnBox<A>>::call_box::h293c31cf0716e20a
  │   18:     0x7faf76af412b - alloc::boxed::{{impl}}::call_once<(),()>
  │                         at /checkout/src/liballoc/boxed.rs:772
  │                          - std::sys_common::thread::start_thread
  │                         at /checkout/src/libstd/sys_common/thread.rs:24
  │                          - std::sys::imp::thread::{{impl}}::new::thread_start
  │                         at /checkout/src/libstd/sys/unix/thread.rs:90
  │   19:     0x7faf7263e183 - start_thread
  │   20:     0x7faf71f4cffc - clone
  │   21:                0x0 - <unknown>
  │ ERROR:servo: called `Result::unwrap()` on an `Err` value: Io(Error { repr: Os { code: 104, message: "Connection reset by peer" } })
  │ IpcSelectionResult::unwrap(): channel 1 closed (thread ResourceManager, at /home/servo/.cargo/registry/src/github.com-1ecc6299db9ec823/ipc-channel-0.9.0/src/ipc.rs:334)
  │ called `Result::unwrap()` on an `Err` value: Io(Error { repr: Os { code: 104, message: "Connection reset by peer" } }) (thread StorageManager, at /checkout/src/libcore/result.rs:906)
  │ stack backtrace:
  │    0:     0x7faf749d148c - backtrace::backtrace::trace::h3049d3b23f5565ad
  │    1:     0x7faf749d14c2 - backtrace::capture::Backtrace::new::h48230b597774155d
  │    2:     0x7faf7473d355 - servo::main::{{closure}}::h9947ccb7c472d5d4
  │    3:     0x7faf76af5416 - std::panicking::rust_panic_with_hook
  │                         at /checkout/src/libstd/panicking.rs:578
  │    4:     0x7faf76af52a4 - std::panicking::begin_panic<alloc::string::String>
  │                         at /checkout/src/libstd/panicking.rs:538
  │    5:     0x7faf76af51a9 - std::panicking::begin_panic_fmt
  │                         at /checkout/src/libstd/panicking.rs:522
  │    6:     0x7faf76173769 - ipc_channel::ipc::IpcSelectionResult::unwrap::haace335a4f230cce
  │    7:     0x7faf74d4417e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2fd1d2be57327c12
  │    8:     0x7faf74d4eabf - std::panicking::try::do_call::hcefb2d23421f6463
  │    9:     0x7faf76afc55c - panic_unwind::__rust_maybe_catch_panic
  │                         at /checkout/src/libpanic_unwind/lib.rs:99
  │   10:     0x7faf74d824de - <F as alloc::boxed::FnBox<A>>::call_box::hce4ef5d4a4a946ab
  │   11:     0x7faf76af412b - alloc::boxed::{{impl}}::call_once<(),()>
  │                         at /checkout/src/liballoc/boxed.rs:772
  │                          - std::sys_common::thread::start_thread
  │                         at /checkout/src/libstd/sys_common/thread.rs:24
  │                          - std::sys::imp::thread::{{impl}}::new::thread_start
  │                         at /checkout/src/libstd/sys/unix/thread.rs:90
  │   12:     0x7faf7263e183 - start_thread
  │   13:     0x7faf71f4cffc - clone
  │   14:                0x0 - <unknown>
  │ ERROR:servo: IpcSelectionResult::unwrap(): channel 1 closed
  │ stack backtrace:
  │    0:     0x7faf749d148c - backtrace::backtrace::trace::h3049d3b23f5565ad
  │    1:     0x7faf749d14c2 - backtrace::capture::Backtrace::new::h48230b597774155d
  │    2:     0x7faf7473d355 - servo::main::{{closure}}::h9947ccb7c472d5d4
  │    3:     0x7faf76af5416 - std::panicking::rust_panic_with_hook
  │                         at /checkout/src/libstd/panicking.rs:578
  │    4:     0x7faf76af52a4 - std::panicking::begin_panic<alloc::string::String>
  │                         at /checkout/src/libstd/panicking.rs:538
  │    5:     0x7faf76af51a9 - std::panicking::begin_panic_fmt
  │                         at /checkout/src/libstd/panicking.rs:522
  │    6:     0x7faf76af513a - std::panicking::rust_begin_panic
  │                         at /checkout/src/libstd/panicking.rs:498
  │    7:     0x7faf76b042f0 - core::panicking::panic_fmt
  │                         at /checkout/src/libcore/panicking.rs:71
  │    8:     0x7faf74d80a1c - core::result::unwrap_failed::hbd6a96ce68cbdaf4
  │    9:     0x7faf74dee7e3 - net::storage_thread::StorageManager::start::h5c6abefb0acbef67
  │   10:     0x7faf74d4ab9c - std::sys_common::backtrace::__rust_begin_short_backtrace::hee4841c3acfc2f8b
  │   11:     0x7faf74d4e9eb - std::panicking::try::do_call::h7bf1d5595b76f612
  │   12:     0x7faf76afc55c - panic_unwind::__rust_maybe_catch_panic
  │                         at /checkout/src/libpanic_unwind/lib.rs:99
  │   13:     0x7faf74d820c6 - <F as alloc::boxed::FnBox<A>>::call_box::ha93ea0af5c1e9546
  │   14:     0x7faf76af412b - alloc::boxed::{{impl}}::call_once<(),()>
  │                         at /checkout/src/liballoc/boxed.rs:772
  │                          - std::sys_common::thread::start_thread
  │                         at /checkout/src/libstd/sys_common/thread.rs:24
  │                          - std::sys::imp::thread::{{impl}}::new::thread_start
  │                         at /checkout/src/libstd/sys/unix/thread.rs:90
  │   15:     0x7faf7263e183 - start_thread
  │   16:     0x7faf71f4cffc - clone
  │   17:                0x0 - <unknown>
  └ ERROR:servo: called `Result::unwrap()` on an `Err` value: Io(Error { repr: Os { code: 104, message: "Connection reset by peer" } })

[jdm]

This is #13480.