[INFO] fetching crate try-mutex 0.4.0...
[INFO] testing try-mutex-0.4.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate try-mutex 0.4.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate try-mutex 0.4.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try-mutex 0.4.0
[INFO] finished tweaking crates.io crate try-mutex 0.4.0
[INFO] tweaked toml for crates.io crate try-mutex 0.4.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eefe9684f9a672bf994404299ed160dba37bbb2f940369a82ce5a370bf658d4
[INFO] running `Command { std: "docker" "start" "-a" "3eefe9684f9a672bf994404299ed160dba37bbb2f940369a82ce5a370bf658d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eefe9684f9a672bf994404299ed160dba37bbb2f940369a82ce5a370bf658d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eefe9684f9a672bf994404299ed160dba37bbb2f940369a82ce5a370bf658d4", kill_on_drop: false }`
[INFO] [stdout] 3eefe9684f9a672bf994404299ed160dba37bbb2f940369a82ce5a370bf658d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] babcd59c6765353c59431fb9d9480faae3fcd451a7b723d943cd8498501163b2
[INFO] running `Command { std: "docker" "start" "-a" "babcd59c6765353c59431fb9d9480faae3fcd451a7b723d943cd8498501163b2", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling try-mutex v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "babcd59c6765353c59431fb9d9480faae3fcd451a7b723d943cd8498501163b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babcd59c6765353c59431fb9d9480faae3fcd451a7b723d943cd8498501163b2", kill_on_drop: false }`
[INFO] [stdout] babcd59c6765353c59431fb9d9480faae3fcd451a7b723d943cd8498501163b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af940b010cd77f14791de6de5c680b0b73a28e62b7cc9b2f41215d5e25427759
[INFO] running `Command { std: "docker" "start" "-a" "af940b010cd77f14791de6de5c680b0b73a28e62b7cc9b2f41215d5e25427759", kill_on_drop: false }`
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling try-mutex v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.30s
[INFO] running `Command { std: "docker" "inspect" "af940b010cd77f14791de6de5c680b0b73a28e62b7cc9b2f41215d5e25427759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af940b010cd77f14791de6de5c680b0b73a28e62b7cc9b2f41215d5e25427759", kill_on_drop: false }`
[INFO] [stdout] af940b010cd77f14791de6de5c680b0b73a28e62b7cc9b2f41215d5e25427759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 036cf099a61c2e02c93130e1e36b10122dac6b7074cdcfa0f1d12e3955c34f7d
[INFO] running `Command { std: "docker" "start" "-a" "036cf099a61c2e02c93130e1e36b10122dac6b7074cdcfa0f1d12e3955c34f7d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/try_mutex-f277341f10e9f210)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-a17588e126cabb22)
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests try-mutex
[INFO] [stdout] test single_thread ... ok
[INFO] [stdout] test across_threads ... ok
[INFO] [stdout] test only_one_lock ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "036cf099a61c2e02c93130e1e36b10122dac6b7074cdcfa0f1d12e3955c34f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036cf099a61c2e02c93130e1e36b10122dac6b7074cdcfa0f1d12e3955c34f7d", kill_on_drop: false }`
[INFO] [stdout] 036cf099a61c2e02c93130e1e36b10122dac6b7074cdcfa0f1d12e3955c34f7d