[INFO] fetching crate safina-sync 0.1.5...
[INFO] testing safina-sync-0.1.5 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate safina-sync 0.1.5 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate safina-sync 0.1.5 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safina-sync 0.1.5
[INFO] finished tweaking crates.io crate safina-sync 0.1.5
[INFO] tweaked toml for crates.io crate safina-sync 0.1.5 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebeb558df0228f8958c3c1dc13ebeef2bc7ef3707afa2132e9b6debe6e2af41e
[INFO] running `Command { std: "docker" "start" "-a" "ebeb558df0228f8958c3c1dc13ebeef2bc7ef3707afa2132e9b6debe6e2af41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebeb558df0228f8958c3c1dc13ebeef2bc7ef3707afa2132e9b6debe6e2af41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebeb558df0228f8958c3c1dc13ebeef2bc7ef3707afa2132e9b6debe6e2af41e", kill_on_drop: false }`
[INFO] [stdout] ebeb558df0228f8958c3c1dc13ebeef2bc7ef3707afa2132e9b6debe6e2af41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a0e5ad64d513b8f0130f4aacff330a2913510806a15a5d3d797c25bb524a999
[INFO] running `Command { std: "docker" "start" "-a" "5a0e5ad64d513b8f0130f4aacff330a2913510806a15a5d3d797c25bb524a999", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "5a0e5ad64d513b8f0130f4aacff330a2913510806a15a5d3d797c25bb524a999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0e5ad64d513b8f0130f4aacff330a2913510806a15a5d3d797c25bb524a999", kill_on_drop: false }`
[INFO] [stdout] 5a0e5ad64d513b8f0130f4aacff330a2913510806a15a5d3d797c25bb524a999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2bd3f471a196b7859741409fe7d27fb0bfe1887220d5a7600fcd45b383bb59f
[INFO] running `Command { std: "docker" "start" "-a" "e2bd3f471a196b7859741409fe7d27fb0bfe1887220d5a7600fcd45b383bb59f", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-proc-macro2 v1.0.36
[INFO] [stderr]    Compiling safina-sync v0.1.6
[INFO] [stderr]    Compiling safina-threadpool v0.2.1
[INFO] [stderr]    Compiling safina-threadpool v0.1.4
[INFO] [stderr]    Compiling safina-timer v0.1.10
[INFO] [stderr]    Compiling safina-executor v0.2.1
[INFO] [stderr]    Compiling safina-executor v0.1.7
[INFO] [stderr]    Compiling safe-quote v1.0.15
[INFO] [stderr]    Compiling safina-async-test-core v0.1.4
[INFO] [stderr]    Compiling safina-async-test v0.1.11
[INFO] [stderr]    Compiling safina-sync v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "e2bd3f471a196b7859741409fe7d27fb0bfe1887220d5a7600fcd45b383bb59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bd3f471a196b7859741409fe7d27fb0bfe1887220d5a7600fcd45b383bb59f", kill_on_drop: false }`
[INFO] [stdout] e2bd3f471a196b7859741409fe7d27fb0bfe1887220d5a7600fcd45b383bb59f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da6bc04c876c118da1ef0617bcf555bc139a92dc6a7709ace0456e50138fbcef
[INFO] running `Command { std: "docker" "start" "-a" "da6bc04c876c118da1ef0617bcf555bc139a92dc6a7709ace0456e50138fbcef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safina_sync-00201667cb01874f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-0a9f4361c15d520d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test should_unlock_immediately_ ... ok
[INFO] [stdout] test should_handle_many_waiters_ ... FAILED
[INFO] [stdout] test unlocking_wakes_waiters_ ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- should_handle_many_waiters_ stdout ----
[INFO] [stdout] thread 'should_handle_many_waiters_' panicked at 'called from outside a task', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:492:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556163e7cd9c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556163e7cd9c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556163e7cd9c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x556163e7cd9c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x556163ea20fc - core::fmt::write::hadd15acf4d6ce273
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x556163e785e8 - std::io::Write::write_fmt::h271050faa79d27d2
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x556163e7f067 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x556163e7f067 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x556163e7f067 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x556163e7ed9b - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x556163e7f7ba - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x556163dd6108 - std::panicking::begin_panic::{{closure}}::h454941603c21bed9
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:617:9
[INFO] [stdout]   12:     0x556163dd5e29 - std::sys_common::backtrace::__rust_end_short_backtrace::hb255a564f9339891
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x556163dd6083 - std::panicking::begin_panic::he0b409c2b05481d2
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:616:12
[INFO] [stdout]   14:     0x556163dc2591 - safina_executor::spawn_unpin::h1a454a8438022173
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:492:9
[INFO] [stdout]   15:     0x556163dc24c7 - safina_executor::spawn::ha4cf5b4b9efb38c5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:467:5
[INFO] [stdout]   16:     0x556163dc7b3a - mutex::should_handle_many_waiters::{{closure}}::hc94a17037374a67f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:61:9
[INFO] [stdout]   17:     0x556163dae919 - <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::hd37d1cba59041327
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/future/mod.rs:84:19
[INFO] [stdout]   18:     0x556163dc063a - <core::pin::Pin<P> as core::future::future::Future>::poll::hadbb7e2a775ede20
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/future/future.rs:123:9
[INFO] [stdout]   19:     0x556163dc2b9b - safina_executor::block_on_unpin::h476940380289c12e
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:563:38
[INFO] [stdout]   20:     0x556163dc2310 - safina_executor::Executor::block_on_unpin::he277ad597fac72cc
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:375:9
[INFO] [stdout]   21:     0x556163dc1ef2 - safina_executor::Executor::block_on::h1bba101222cd61bf
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:351:9
[INFO] [stdout]   22:     0x556163dc8364 - mutex::should_handle_many_waiters_::hd17b606decf72412
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:52:10
[INFO] [stdout]   23:     0x556163dc82fa - mutex::should_handle_many_waiters_::{{closure}}::hcbdb0ae68376f99c
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:52:10
[INFO] [stdout]   24:     0x556163dc44de - core::ops::function::FnOnce::call_once::h922a7576c4c9f7cb
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   25:     0x556163e131b3 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   26:     0x556163e131b3 - test::__rust_begin_short_backtrace::h163f55298a15df9b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5
[INFO] [stdout]   27:     0x556163e11ee1 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc911782b3cbc7ed5
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   28:     0x556163e11ee1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x556163e11ee1 - std::panicking::try::do_call::he60df4e3e832faff
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   30:     0x556163e11ee1 - std::panicking::try::h2633cee89a0767f3
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   31:     0x556163e11ee1 - std::panic::catch_unwind::h6e10f7b94ce38b1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   32:     0x556163e11ee1 - test::run_test_in_process::h085ef39049c3b50b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18
[INFO] [stdout]   33:     0x556163e11ee1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39
[INFO] [stdout]   34:     0x556163e1b7c1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37
[INFO] [stdout]   35:     0x556163e1b7c1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   36:     0x556163de7f1f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   37:     0x556163de7f1f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x556163de7f1f - std::panicking::try::do_call::h5422165a88309c77
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   39:     0x556163de7f1f - std::panicking::try::h840a12b54e2c9f5d
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   40:     0x556163de7f1f - std::panic::catch_unwind::h85910e437c8da180
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   41:     0x556163de7f1f - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   42:     0x556163de7f1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   43:     0x556163e85473 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h82a18723295373b7
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   44:     0x556163e85473 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9b8634f7a2a5a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   45:     0x556163e85473 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f477a1ab609 - start_thread
[INFO] [stdout]   47:     0x7f4779f7d293 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- unlocking_wakes_waiters_ stdout ----
[INFO] [stdout] thread 'unlocking_wakes_waiters_' panicked at 'called from outside a task', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:492:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556163e7cd9c - std::backtrace_rs::backtrace::libunwind::trace::h02555d7ca8aa068a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stdout]    1:     0x556163e7cd9c - std::backtrace_rs::backtrace::trace_unsynchronized::h8555a46024147da8
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556163e7cd9c - std::sys_common::backtrace::_print_fmt::h4c7f50b4f105da1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stdout]    3:     0x556163e7cd9c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha305a40dbc030444
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stdout]    4:     0x556163ea20fc - core::fmt::write::hadd15acf4d6ce273
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/fmt/mod.rs:1190:17
[INFO] [stdout]    5:     0x556163e785e8 - std::io::Write::write_fmt::h271050faa79d27d2
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/io/mod.rs:1657:15
[INFO] [stdout]    6:     0x556163e7f067 - std::sys_common::backtrace::_print::h0dd5c0810675bd8c
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stdout]    7:     0x556163e7f067 - std::sys_common::backtrace::print::h20a2155fa0a22ca6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stdout]    8:     0x556163e7f067 - std::panicking::default_hook::{{closure}}::habb3b6f3ccdfe00a
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:295:22
[INFO] [stdout]    9:     0x556163e7ed9b - std::panicking::default_hook::h1c5cf4d5063a38e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:311:9
[INFO] [stdout]   10:     0x556163e7f7ba - std::panicking::rust_panic_with_hook::hb5de7a3072d2cf59
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:698:17
[INFO] [stdout]   11:     0x556163dd6108 - std::panicking::begin_panic::{{closure}}::h454941603c21bed9
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:617:9
[INFO] [stdout]   12:     0x556163dd5e29 - std::sys_common::backtrace::__rust_end_short_backtrace::hb255a564f9339891
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stdout]   13:     0x556163dd6083 - std::panicking::begin_panic::he0b409c2b05481d2
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:616:12
[INFO] [stdout]   14:     0x556163dc27f1 - safina_executor::spawn_unpin::h9dd14be206e9a62f
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:492:9
[INFO] [stdout]   15:     0x556163dc2405 - safina_executor::spawn::h1e3662c5f5c81b6c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.1.7/src/lib.rs:467:5
[INFO] [stdout]   16:     0x556163dc6f4a - mutex::unlocking_wakes_waiters::{{closure}}::he87a2ef0aeafa247
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:40:5
[INFO] [stdout]   17:     0x556163dae5b9 - <core::future::from_generator::GenFuture<T> as core::future::future::Future>::poll::h6da0dae828d6c7de
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/future/mod.rs:84:19
[INFO] [stdout]   18:     0x556163dc05da - <core::pin::Pin<P> as core::future::future::Future>::poll::h8e0e617e7e2d1293
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/future/future.rs:123:9
[INFO] [stdout]   19:     0x556163dc2e3b - safina_executor::block_on_unpin::habf43f62063f482c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:563:38
[INFO] [stdout]   20:     0x556163dc21b0 - safina_executor::Executor::block_on_unpin::h56b50434fef3916c
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:375:9
[INFO] [stdout]   21:     0x556163dc1ff2 - safina_executor::Executor::block_on::h5abb882a55f95fc5
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/safina-executor-0.2.1/src/lib.rs:351:9
[INFO] [stdout]   22:     0x556163dc7634 - mutex::unlocking_wakes_waiters_::hf16f20d3b2e71c5d
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:36:10
[INFO] [stdout]   23:     0x556163dc75ca - mutex::unlocking_wakes_waiters_::{{closure}}::h1274922a3afeabb2
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/mutex.rs:36:10
[INFO] [stdout]   24:     0x556163dc445e - core::ops::function::FnOnce::call_once::h55990eb9d9db7f29
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   25:     0x556163e131b3 - core::ops::function::FnOnce::call_once::h43953c8a8f54893f
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   26:     0x556163e131b3 - test::__rust_begin_short_backtrace::h163f55298a15df9b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:575:5
[INFO] [stdout]   27:     0x556163e11ee1 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc911782b3cbc7ed5
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   28:     0x556163e11ee1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5bb369afbf9cd4e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   29:     0x556163e11ee1 - std::panicking::try::do_call::he60df4e3e832faff
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   30:     0x556163e11ee1 - std::panicking::try::h2633cee89a0767f3
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   31:     0x556163e11ee1 - std::panic::catch_unwind::h6e10f7b94ce38b1e
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   32:     0x556163e11ee1 - test::run_test_in_process::h085ef39049c3b50b
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:598:18
[INFO] [stdout]   33:     0x556163e11ee1 - test::run_test::run_test_inner::{{closure}}::h4e58ce9f68eb43e4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:492:39
[INFO] [stdout]   34:     0x556163e1b7c1 - test::run_test::run_test_inner::{{closure}}::h6d18db28c5e396ee
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/test/src/lib.rs:519:37
[INFO] [stdout]   35:     0x556163e1b7c1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h32292cb2cd8be620
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stdout]   36:     0x556163de7f1f - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h71ee66b20f7b0482
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:498:17
[INFO] [stdout]   37:     0x556163de7f1f - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb6046e1d1a75a4a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stdout]   38:     0x556163de7f1f - std::panicking::try::do_call::h5422165a88309c77
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:492:40
[INFO] [stdout]   39:     0x556163de7f1f - std::panicking::try::h840a12b54e2c9f5d
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panicking.rs:456:19
[INFO] [stdout]   40:     0x556163de7f1f - std::panic::catch_unwind::h85910e437c8da180
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/panic.rs:137:14
[INFO] [stdout]   41:     0x556163de7f1f - std::thread::Builder::spawn_unchecked_::{{closure}}::ha3af3a297bfd51d6
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/thread/mod.rs:497:30
[INFO] [stdout]   42:     0x556163de7f1f - core::ops::function::FnOnce::call_once{{vtable.shim}}::hff8788f58e0e06a9
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   43:     0x556163e85473 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h82a18723295373b7
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   44:     0x556163e85473 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4b9b8634f7a2a5a4
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/alloc/src/boxed.rs:1854:9
[INFO] [stdout]   45:     0x556163e85473 - std::sys::unix::thread::Thread::new::thread_start::h3dc341aa024c6852
[INFO] [stdout]                                at /rustc/0a4f984a87c7ba6c74ec3e78442fec955a419e32/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   46:     0x7f477a1ab609 - start_thread
[INFO] [stdout]   47:     0x7f4779f7d293 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     should_handle_many_waiters_
[INFO] [stdout]     unlocking_wakes_waiters_
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--test mutex'
[INFO] running `Command { std: "docker" "inspect" "da6bc04c876c118da1ef0617bcf555bc139a92dc6a7709ace0456e50138fbcef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6bc04c876c118da1ef0617bcf555bc139a92dc6a7709ace0456e50138fbcef", kill_on_drop: false }`
[INFO] [stdout] da6bc04c876c118da1ef0617bcf555bc139a92dc6a7709ace0456e50138fbcef