[INFO] fetching crate ac 0.1.0...
[INFO] testing ac-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate ac 0.1.0 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate ac 0.1.0 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 ac 0.1.0
[INFO] finished tweaking crates.io crate ac 0.1.0
[INFO] tweaked toml for crates.io crate ac 0.1.0 written to /workspace/builds/worker-77/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] 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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] f567e358361d4558ef952bebbbf2adecdc0088b3f147746338eec2faa6698a03
[INFO] running `Command { std: "docker" "start" "-a" "f567e358361d4558ef952bebbbf2adecdc0088b3f147746338eec2faa6698a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f567e358361d4558ef952bebbbf2adecdc0088b3f147746338eec2faa6698a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f567e358361d4558ef952bebbbf2adecdc0088b3f147746338eec2faa6698a03", kill_on_drop: false }`
[INFO] [stdout] f567e358361d4558ef952bebbbf2adecdc0088b3f147746338eec2faa6698a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 411ffdf1a35346fe4b66dabd5c0adc20a67b8f941bebec25149bf31c95480b58
[INFO] running `Command { std: "docker" "start" "-a" "411ffdf1a35346fe4b66dabd5c0adc20a67b8f941bebec25149bf31c95480b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling ac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "411ffdf1a35346fe4b66dabd5c0adc20a67b8f941bebec25149bf31c95480b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411ffdf1a35346fe4b66dabd5c0adc20a67b8f941bebec25149bf31c95480b58", kill_on_drop: false }`
[INFO] [stdout] 411ffdf1a35346fe4b66dabd5c0adc20a67b8f941bebec25149bf31c95480b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 813e1c32cabde935b1a6d4e07af7da499b5331dbdb33908b8c6823776f783628
[INFO] running `Command { std: "docker" "start" "-a" "813e1c32cabde935b1a6d4e07af7da499b5331dbdb33908b8c6823776f783628", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "813e1c32cabde935b1a6d4e07af7da499b5331dbdb33908b8c6823776f783628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "813e1c32cabde935b1a6d4e07af7da499b5331dbdb33908b8c6823776f783628", kill_on_drop: false }`
[INFO] [stdout] 813e1c32cabde935b1a6d4e07af7da499b5331dbdb33908b8c6823776f783628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 64fec29f91918f79f9665d4de35dedf510acaccaa3d599fb7db660c699ee811d
[INFO] running `Command { std: "docker" "start" "-a" "64fec29f91918f79f9665d4de35dedf510acaccaa3d599fb7db660c699ee811d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ac-8fd5a5638f982c6a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ac
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "64fec29f91918f79f9665d4de35dedf510acaccaa3d599fb7db660c699ee811d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64fec29f91918f79f9665d4de35dedf510acaccaa3d599fb7db660c699ee811d", kill_on_drop: false }`
[INFO] [stdout] 64fec29f91918f79f9665d4de35dedf510acaccaa3d599fb7db660c699ee811d