[INFO] fetching crate mutex-trait 0.2.0...
[INFO] testing mutex-trait-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mutex-trait 0.2.0 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate mutex-trait 0.2.0 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 mutex-trait 0.2.0
[INFO] finished tweaking crates.io crate mutex-trait 0.2.0
[INFO] tweaked toml for crates.io crate mutex-trait 0.2.0 written to /workspace/builds/worker-76/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] a06482254506ad90b0862c2bc83589f13dc02936a6856189d9e9d5ee15a68186
[INFO] running `Command { std: "docker" "start" "-a" "a06482254506ad90b0862c2bc83589f13dc02936a6856189d9e9d5ee15a68186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a06482254506ad90b0862c2bc83589f13dc02936a6856189d9e9d5ee15a68186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06482254506ad90b0862c2bc83589f13dc02936a6856189d9e9d5ee15a68186", kill_on_drop: false }`
[INFO] [stdout] a06482254506ad90b0862c2bc83589f13dc02936a6856189d9e9d5ee15a68186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] fd97cce30c3cc39a93ff23ce54b65b8c99e9b7a777f07177689c6d1456ed7c3d
[INFO] running `Command { std: "docker" "start" "-a" "fd97cce30c3cc39a93ff23ce54b65b8c99e9b7a777f07177689c6d1456ed7c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex-trait v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "fd97cce30c3cc39a93ff23ce54b65b8c99e9b7a777f07177689c6d1456ed7c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd97cce30c3cc39a93ff23ce54b65b8c99e9b7a777f07177689c6d1456ed7c3d", kill_on_drop: false }`
[INFO] [stdout] fd97cce30c3cc39a93ff23ce54b65b8c99e9b7a777f07177689c6d1456ed7c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 593e189bea4d81a9ee749e581812ef1d8c7639c60adaad6413d10ce37d7da1e4
[INFO] running `Command { std: "docker" "start" "-a" "593e189bea4d81a9ee749e581812ef1d8c7639c60adaad6413d10ce37d7da1e4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mutex-trait v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "593e189bea4d81a9ee749e581812ef1d8c7639c60adaad6413d10ce37d7da1e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593e189bea4d81a9ee749e581812ef1d8c7639c60adaad6413d10ce37d7da1e4", kill_on_drop: false }`
[INFO] [stdout] 593e189bea4d81a9ee749e581812ef1d8c7639c60adaad6413d10ce37d7da1e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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] 09676239c1d5f193dde379999ccc412221bde74fa34540e2dc32082065a10ee9
[INFO] running `Command { std: "docker" "start" "-a" "09676239c1d5f193dde379999ccc412221bde74fa34540e2dc32082065a10ee9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutex_trait-bcac96ec3ec5a4ef)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::exclusive ... ok
[INFO] [stdout] test tests::refcell_lock ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutex-trait
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - prelude (line 76) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 53) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "09676239c1d5f193dde379999ccc412221bde74fa34540e2dc32082065a10ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09676239c1d5f193dde379999ccc412221bde74fa34540e2dc32082065a10ee9", kill_on_drop: false }`
[INFO] [stdout] 09676239c1d5f193dde379999ccc412221bde74fa34540e2dc32082065a10ee9