[INFO] crate spin 0.4.10 is already in cache
[INFO] extracting crate spin 0.4.10 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spin/0.4.10
[INFO] extracting crate spin 0.4.10 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spin/0.4.10
[INFO] validating manifest of spin-0.4.10 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of spin-0.4.10 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing spin-0.4.10
[INFO] finished frobbing spin-0.4.10
[INFO] frobbed toml for spin-0.4.10 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/spin/0.4.10/Cargo.toml
[INFO] started frobbing spin-0.4.10
[INFO] finished frobbing spin-0.4.10
[INFO] frobbed toml for spin-0.4.10 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spin/0.4.10/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing spin-0.4.10 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spin/0.4.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 3ad43eaedc479666331865b0ea8113335e7dc1a1a836c6e7590c4fdd1f44a940
[INFO] running `"docker" "start" "-a" "3ad43eaedc479666331865b0ea8113335e7dc1a1a836c6e7590c4fdd1f44a940"`
[INFO] [stderr]    Compiling spin v0.4.10 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/mutex.rs:1:48
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT, spin_loop_hint as cpu_relax};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/mutex.rs:115:19
[INFO] [stderr]     |
[INFO] [stderr] 115 |             lock: ATOMIC_BOOL_INIT,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/rw_lock.rs:1:49
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT, spin_loop_hint as cpu_relax};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rw_lock.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |             lock: ATOMIC_USIZE_INIT,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `"docker" "inspect" "3ad43eaedc479666331865b0ea8113335e7dc1a1a836c6e7590c4fdd1f44a940"`
[INFO] running `"docker" "rm" "-f" "3ad43eaedc479666331865b0ea8113335e7dc1a1a836c6e7590c4fdd1f44a940"`
[INFO] [stdout] 3ad43eaedc479666331865b0ea8113335e7dc1a1a836c6e7590c4fdd1f44a940
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spin/0.4.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6cb189511107d0d271d428538c2b1074a62e6b204b0d8557e0c0dd7fa8028b8b
[INFO] running `"docker" "start" "-a" "6cb189511107d0d271d428538c2b1074a62e6b204b0d8557e0c0dd7fa8028b8b"`
[INFO] [stderr]    Compiling spin v0.4.10 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/mutex.rs:1:48
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT, spin_loop_hint as cpu_relax};
[INFO] [stderr]   |                                                ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_BOOL_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/mutex.rs:115:19
[INFO] [stderr]     |
[INFO] [stderr] 115 |             lock: ATOMIC_BOOL_INIT,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> src/rw_lock.rs:1:49
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::sync::atomic::{AtomicUsize, Ordering, ATOMIC_USIZE_INIT, spin_loop_hint as cpu_relax};
[INFO] [stderr]   |                                                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::sync::atomic::ATOMIC_USIZE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/rw_lock.rs:102:19
[INFO] [stderr]     |
[INFO] [stderr] 102 |             lock: ATOMIC_USIZE_INIT,
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `"docker" "inspect" "6cb189511107d0d271d428538c2b1074a62e6b204b0d8557e0c0dd7fa8028b8b"`
[INFO] running `"docker" "rm" "-f" "6cb189511107d0d271d428538c2b1074a62e6b204b0d8557e0c0dd7fa8028b8b"`
[INFO] [stdout] 6cb189511107d0d271d428538c2b1074a62e6b204b0d8557e0c0dd7fa8028b8b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/spin/0.4.10:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 27031bbdd6e4dd50f5e177b2e425721a7ce80b231a2eb5585020518e2af65937
[INFO] running `"docker" "start" "-a" "27031bbdd6e4dd50f5e177b2e425721a7ce80b231a2eb5585020518e2af65937"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spin-bdef7b047bc67a84
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test mutex::tests::smoke ... ok
[INFO] [stdout] test mutex::tests::test_into_inner ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/mutex.rs:386:13
[INFO] [stderr] stack backtrace:
[INFO] [stdout] test mutex::tests::try_lock ... ok
[INFO] [stdout] test mutex::tests::test_mutex_arc_nested ... ok
[INFO] [stdout] test once::tests::init_constant ... ok
[INFO] [stdout] test once::tests::smoke_once ... ok
[INFO] [stdout] test mutex::tests::test_mutex_unsized ... ok
[INFO] [stdout] test mutex::tests::test_mutex_force_lock ... ok
[INFO] [stdout] test mutex::tests::test_into_inner_drop ... ok
[INFO] [stdout] test once::tests::wait ... ok
[INFO] [stdout] test mutex::tests::lots_and_lots ... ok
[INFO] [stdout] test once::tests::try ... ok
[INFO] [stdout] test once::tests::smoke_once_value ... ok
[INFO] [stdout] test once::tests::try_no_wait ... ok
[INFO] [stdout] test rw_lock::tests::smoke ... ok
[INFO] [stdout] test rw_lock::tests::test_force_read_decrement ... ok
[INFO] [stdout] test rw_lock::tests::test_into_inner ... ok
[INFO] [stdout] test rw_lock::tests::test_force_write_unlock ... ok
[INFO] [stdout] test rw_lock::tests::test_into_inner_drop ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'explicit panic', src/rw_lock.rs:493:13
[INFO] [stdout] test rw_lock::tests::test_rwlock_unsized ... ok
[INFO] [stdout] test rw_lock::tests::test_rwlock_try_write ... ok
[INFO] [stdout] test once::tests::stampede_once ... ok
[INFO] [stderr]    0:     0x563052f38563 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stdout] test rw_lock::tests::test_rw_arc ... ok
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x563052f342cb - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x563052f371e6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x563052f36f64 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x563052f378f0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x563052eec523 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x563052ec96ba - spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}
[INFO] [stderr]                                at src/mutex.rs:386
[INFO] [stderr]    7:     0x563052eca082 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    8:     0x563052ee0bcd - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]    9:     0x563052ec0ab0 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   10:     0x563052eeba14 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   11:     0x563052f3ab19 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   12:     0x563052eec1ed - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   13:     0x563052ebe6a2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   14:     0x563052ee0625 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   15:     0x563052ee1176 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::mutex::tests::test_mutex_arc_access_in_unwind::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   16:     0x563052f3a23d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   17:     0x7faebc032493 - start_thread
[INFO] [stderr]   18:     0x7faebbb5dace - __clone
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stdout] test mutex::tests::test_mutex_arc_access_in_unwind ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563052f38563 - std[698b411d1b74fcff]::sys::unix::backtrace::tracing::imp::unwind_backtrace
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x563052f342cb - std[698b411d1b74fcff]::sys_common::backtrace::_print
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stderr]    2:     0x563052f371e6 - std[698b411d1b74fcff]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x563052f36f64 - std[698b411d1b74fcff]::panicking::default_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x563052f378f0 - std[698b411d1b74fcff]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x563052eec523 - std[698b411d1b74fcff]::panicking::begin_panic::<&str>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x563052ed01ba - spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}
[INFO] [stderr]                                at src/rw_lock.rs:493
[INFO] [stderr]    7:     0x563052eca022 - std[698b411d1b74fcff]::sys_common::backtrace::__rust_begin_short_backtrace::<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    8:     0x563052ee0b5d - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:469
[INFO] [stderr]    9:     0x563052ec0a30 - <std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}> as core[b849d6d0cd70c3a8]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:309
[INFO] [stderr]   10:     0x563052eeb924 - std[698b411d1b74fcff]::panicking::try::do_call::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:297
[INFO] [stderr]   11:     0x563052f3ab19 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   12:     0x563052eebf2d - std[698b411d1b74fcff]::panicking::try::<(), std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panicking.rs:276
[INFO] [stderr]   13:     0x563052ebe5f2 - std[698b411d1b74fcff]::panic::catch_unwind::<std[698b411d1b74fcff]::panic::AssertUnwindSafe<<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/panic.rs:388
[INFO] [stderr]   14:     0x563052edfd15 - <std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked::<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/libstd/thread/mod.rs:468
[INFO] [stderr]   15:     0x563052ee1056 - <<std[698b411d1b74fcff]::thread::Builder>::spawn_unchecked<spin[ad412e284b223257]::rw_lock::tests::test_rw_arc_access_in_unwind::{closure#0}, ()>::{closure#0} as alloc[f4750af829db9b76]::boxed::FnBox<()>>::call_box
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:734
[INFO] [stderr]   16:     0x563052f3a23d - <std[698b411d1b74fcff]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/7fea0229842e79db1159ea58ad9a653b288efee9/src/liballoc/boxed.rs:744
[INFO] [stderr]                                at src/libstd/sys_common/thread.rs:14
[INFO] [stderr]                                at src/libstd/sys/unix/thread.rs:81
[INFO] [stderr]   17:     0x7faebc032493 - start_thread
[INFO] [stderr]   18:     0x7faebbb5dace - __clone
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stdout] test rw_lock::tests::test_rw_arc_access_in_unwind ... ok
[INFO] [stdout] test once::tests::panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spin
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::new (line 98) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 20) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::new (line 84) ... ok
[INFO] [stdout] test src/once.rs - once::Once (line 12) ... ok
[INFO] [stdout] test src/once.rs - once::Once<T>::call_once (line 90) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex<T>::lock (line 172) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock (line 25) ... ok
[INFO] [stdout] test src/mutex.rs - mutex::Mutex (line 42) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::read (line 156) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_read (line 207) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::write (line 271) ... ok
[INFO] [stdout] test src/rw_lock.rs - rw_lock::RwLock<T>::try_write (line 312) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "27031bbdd6e4dd50f5e177b2e425721a7ce80b231a2eb5585020518e2af65937"`
[INFO] running `"docker" "rm" "-f" "27031bbdd6e4dd50f5e177b2e425721a7ce80b231a2eb5585020518e2af65937"`
[INFO] [stdout] 27031bbdd6e4dd50f5e177b2e425721a7ce80b231a2eb5585020518e2af65937