[INFO] crate remutex 0.1.1 is already in cache
[INFO] extracting crate remutex 0.1.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/remutex/0.1.1
[INFO] extracting crate remutex 0.1.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/remutex/0.1.1
[INFO] validating manifest of remutex-0.1.1 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 remutex-0.1.1 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 remutex-0.1.1
[INFO] finished frobbing remutex-0.1.1
[INFO] frobbed toml for remutex-0.1.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/remutex/0.1.1/Cargo.toml
[INFO] started frobbing remutex-0.1.1
[INFO] finished frobbing remutex-0.1.1
[INFO] frobbed toml for remutex-0.1.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/remutex/0.1.1/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 remutex-0.1.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/remutex/0.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 79089eb562915538d15ee69321e5304dcc60d7d01e1c17b62271104bda0a6e5b
[INFO] running `"docker" "start" "-a" "79089eb562915538d15ee69321e5304dcc60d7d01e1c17b62271104bda0a6e5b"`
[INFO] [stderr]    Compiling remutex v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "79089eb562915538d15ee69321e5304dcc60d7d01e1c17b62271104bda0a6e5b"`
[INFO] running `"docker" "rm" "-f" "79089eb562915538d15ee69321e5304dcc60d7d01e1c17b62271104bda0a6e5b"`
[INFO] [stdout] 79089eb562915538d15ee69321e5304dcc60d7d01e1c17b62271104bda0a6e5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/remutex/0.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3d8594f42ff6610b517a02c161fdaa801146cf07ea131cfeceee6460687867d
[INFO] running `"docker" "start" "-a" "c3d8594f42ff6610b517a02c161fdaa801146cf07ea131cfeceee6460687867d"`
[INFO] [stderr]    Compiling remutex v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "c3d8594f42ff6610b517a02c161fdaa801146cf07ea131cfeceee6460687867d"`
[INFO] running `"docker" "rm" "-f" "c3d8594f42ff6610b517a02c161fdaa801146cf07ea131cfeceee6460687867d"`
[INFO] [stdout] c3d8594f42ff6610b517a02c161fdaa801146cf07ea131cfeceee6460687867d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/remutex/0.1.1:/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 3fb318dad4e5124f7714a48bc9d8827d9232ea0f6eadbe3a82dc302880acf9ac
[INFO] running `"docker" "start" "-a" "3fb318dad4e5124f7714a48bc9d8827d9232ea0f6eadbe3a82dc302880acf9ac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/remutex-2ffca1cab65b3c18
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test remutex::test::is_mutex ... ok
[INFO] [stdout] test remutex::test::smoke ... ok
[INFO] [stderr] thread '<unnamed>' panicked at 'What the answer to my lifetimes dilemma is?', src/remutex.rs:216:17
[INFO] [stdout] test remutex::test::trylock_works ... ok
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ea6b338153 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb587d2734f1dc7c5
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout] test remutex::test::poison_works ... ok
[INFO] [stderr]    1:     0x55ea6b333edb - std::sys_common::backtrace::_print::he39717f7cfbd122d
[INFO] [stdout] 
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:70
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    2:     0x55ea6b336e06 - std::panicking::default_hook::{{closure}}::hb7f1ae5149814e5e
[INFO] [stdout] 
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    3:     0x55ea6b336b84 - std::panicking::default_hook::hc2b73d8ffc772b35
[INFO] [stderr]                                at src/libstd/panicking.rs:215
[INFO] [stderr]    4:     0x55ea6b337510 - std::panicking::rust_panic_with_hook::h625072734a147d22
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x55ea6b2ecf33 - std::panicking::begin_panic::hbad4194419beb641
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:412
[INFO] [stderr]    6:     0x55ea6b2e348f - remutex::remutex::test::poison_works::{{closure}}::h2be2d356d3b55d23
[INFO] [stderr]                                at src/remutex.rs:216
[INFO] [stderr]    7:     0x55ea6b2e5e22 - std::sys_common::backtrace::__rust_begin_short_backtrace::h08cb826d07e2a8a7
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/sys_common/backtrace.rs:135
[INFO] [stderr]    8:     0x55ea6b2ea31d - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h879fb3551051f75f
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:469
[INFO] [stderr]    9:     0x55ea6b2ed670 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h1f3c164a1791f284
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:309
[INFO] [stderr]   10:     0x55ea6b2ed2c4 - std::panicking::try::do_call::hf7635ea3328ed212
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:297
[INFO] [stderr]   11:     0x55ea6b33a6c9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:92
[INFO] [stderr]   12:     0x55ea6b2ed15d - std::panicking::try::ha0f777c046d5b019
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panicking.rs:276
[INFO] [stderr]   13:     0x55ea6b2ed7a2 - std::panic::catch_unwind::h34b77059f6526a89
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/panic.rs:388
[INFO] [stderr]   14:     0x55ea6b2e9b35 - std::thread::Builder::spawn_unchecked::{{closure}}::h2bf91dbf540bbe71
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/libstd/thread/mod.rs:468
[INFO] [stderr]   15:     0x55ea6b2ea556 - <F as alloc::boxed::FnBox<A>>::call_box::h13d25dc62fbbc07d
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/src/liballoc/boxed.rs:734
[INFO] [stderr]   16:     0x55ea6b339ded - std::sys::unix::thread::Thread::new::thread_start::h60ff5f253b4125d5
[INFO] [stderr]                                at /rustc/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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:     0x7fb872b52493 - start_thread
[INFO] [stderr]   18:     0x7fb87267dace - __clone
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr]    Doc-tests remutex
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3fb318dad4e5124f7714a48bc9d8827d9232ea0f6eadbe3a82dc302880acf9ac"`
[INFO] running `"docker" "rm" "-f" "3fb318dad4e5124f7714a48bc9d8827d9232ea0f6eadbe3a82dc302880acf9ac"`
[INFO] [stdout] 3fb318dad4e5124f7714a48bc9d8827d9232ea0f6eadbe3a82dc302880acf9ac