[INFO] fetching crate mcslock 0.4.1...
[INFO] testing mcslock-0.4.1 against 1.86.0 for beta-1.87-1
[INFO] extracting crate mcslock 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mcslock 0.4.1 on toolchain 1.86.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcslock 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mcslock 0.4.1
[INFO] tweaked toml for crates.io crate mcslock 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate mcslock 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.86.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e8d413b359057d3bc8a3bc219fe02726b831fb7197d51ce82134703af0df683
[INFO] running `Command { std: "docker" "start" "-a" "7e8d413b359057d3bc8a3bc219fe02726b831fb7197d51ce82134703af0df683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8d413b359057d3bc8a3bc219fe02726b831fb7197d51ce82134703af0df683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8d413b359057d3bc8a3bc219fe02726b831fb7197d51ce82134703af0df683", kill_on_drop: false }`
[INFO] [stdout] 7e8d413b359057d3bc8a3bc219fe02726b831fb7197d51ce82134703af0df683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1480b15172cf34b8ea64e1933d2a00db5bcba98fc1b47e799c300e10acdcc38d
[INFO] running `Command { std: "docker" "start" "-a" "1480b15172cf34b8ea64e1933d2a00db5bcba98fc1b47e799c300e10acdcc38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcslock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "1480b15172cf34b8ea64e1933d2a00db5bcba98fc1b47e799c300e10acdcc38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1480b15172cf34b8ea64e1933d2a00db5bcba98fc1b47e799c300e10acdcc38d", kill_on_drop: false }`
[INFO] [stdout] 1480b15172cf34b8ea64e1933d2a00db5bcba98fc1b47e799c300e10acdcc38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7807289b22033b05e8decced48d87c5728a6ead95d822186d9960e94e76cac83
[INFO] running `Command { std: "docker" "start" "-a" "7807289b22033b05e8decced48d87c5728a6ead95d822186d9960e94e76cac83", kill_on_drop: false }`
[INFO] [stderr]    Compiling mcslock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "7807289b22033b05e8decced48d87c5728a6ead95d822186d9960e94e76cac83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7807289b22033b05e8decced48d87c5728a6ead95d822186d9960e94e76cac83", kill_on_drop: false }`
[INFO] [stdout] 7807289b22033b05e8decced48d87c5728a6ead95d822186d9960e94e76cac83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1.86.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6eb98ad161ef80dcbeaa082c3b4119184f354266ba8cb88ef64a29ae3257f028
[INFO] running `Command { std: "docker" "start" "-a" "6eb98ad161ef80dcbeaa082c3b4119184f354266ba8cb88ef64a29ae3257f028", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcslock-2060a4413be3c3fe)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test raw::mutex::test::smoke ... ok
[INFO] [stdout] test raw::mutex::test::node_waiter_drop_does_not_matter ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_mixed_lock_yield_backoff ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_try_lock_yield_backoff ... ok
[INFO] [stdout] test raw::mutex::test::lots_and_lots_lock_yield_backoff ... ok
[INFO] [stdout] test raw::mutex::test::test_into_inner ... ok
[INFO] [stdout] test raw::mutex::test::test_into_inner_drop ... ok
[INFO] [stdout] test raw::mutex::test::test_mutex_from ... ok
[INFO] [stdout] test raw::mutex::test::test_mutex_default ... ok
[INFO] [stdout] test raw::mutex::test::test_try_lock ... ok
[INFO] [stdout] test relax::test::loops ... ok
[INFO] [stdout] test relax::test::spins ... ok
[INFO] [stdout] test relax::test::spins_backoff ... ok
[INFO] [stdout] test relax::test::yields ... ok
[INFO] [stdout] test relax::test::yields_backoff ... ok
[INFO] [stdout] test raw::mutex::test::test_lock_unsized ... ok
[INFO] [stdout] test raw::mutex::test::test_mutex_debug ... ok
[INFO] [stdout] test raw::mutex::test::test_get_mut ... ok
[INFO] [stdout] test raw::mutex::test::test_lock_arc_nested ... ok
[INFO] [stdout] test raw::mutex::test::test_acquire_more_than_one_lock ... ok
[INFO] [stderr]    Doc-tests mcslock
[INFO] [stdout] test raw::mutex::test::test_lock_arc_access_in_unwind ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test src/raw/mod.rs - raw::spins::Mutex (line 52) ... ok
[INFO] [stdout] test src/raw/mod.rs - raw::spins::backoff::Mutex (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/raw/mod.rs - raw::loops::Mutex (line 151) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_then (line 346) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - (line 112) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::get_mut (line 451) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex (line 84) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_with_then (line 400) - compile fail ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_then (line 232) - compile fail ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::into_inner (line 171) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_with_then (line 293) - compile fail ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::is_locked (line 424) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_with_then (line 376) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::new (line 145) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::lock_then (line 324) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_with_then (line 262) ... ok
[INFO] [stdout] test src/relax.rs - relax::Relax (line 29) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::MutexNode::new (line 33) ... ok
[INFO] [stdout] test src/raw/mutex.rs - raw::mutex::Mutex<T,R>::try_lock_then (line 203) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6eb98ad161ef80dcbeaa082c3b4119184f354266ba8cb88ef64a29ae3257f028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb98ad161ef80dcbeaa082c3b4119184f354266ba8cb88ef64a29ae3257f028", kill_on_drop: false }`
[INFO] [stdout] 6eb98ad161ef80dcbeaa082c3b4119184f354266ba8cb88ef64a29ae3257f028