[INFO] cloning repository https://github.com/leviathan88/little_book_of_semaphors_RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leviathan88/little_book_of_semaphors_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Flittle_book_of_semaphors_RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Flittle_book_of_semaphors_RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29ca680958634b1e9197ad8b42e208b136992af5
[INFO] testing leviathan88/little_book_of_semaphors_RUST against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleviathan88%2Flittle_book_of_semaphors_RUST" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leviathan88/little_book_of_semaphors_RUST 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 git repo https://github.com/leviathan88/little_book_of_semaphors_RUST
[INFO] finished tweaking git repo https://github.com/leviathan88/little_book_of_semaphors_RUST
[INFO] tweaked toml for git repo https://github.com/leviathan88/little_book_of_semaphors_RUST written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/leviathan88/little_book_of_semaphors_RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] b2dea600a152071136c7d11d73bb9d43a3871e86285a9b12a8995a1c6d5186bc
[INFO] running `Command { std: "docker" "start" "-a" "b2dea600a152071136c7d11d73bb9d43a3871e86285a9b12a8995a1c6d5186bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2dea600a152071136c7d11d73bb9d43a3871e86285a9b12a8995a1c6d5186bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2dea600a152071136c7d11d73bb9d43a3871e86285a9b12a8995a1c6d5186bc", kill_on_drop: false }`
[INFO] [stdout] b2dea600a152071136c7d11d73bb9d43a3871e86285a9b12a8995a1c6d5186bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 843518b6151f2a52f352f6f5f8aac617603dd300c2528a45bd4cc89fc1dbf825
[INFO] running `Command { std: "docker" "start" "-a" "843518b6151f2a52f352f6f5f8aac617603dd300c2528a45bd4cc89fc1dbf825", kill_on_drop: false }`
[INFO] [stderr]    Compiling little_book_of_semaphores v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "843518b6151f2a52f352f6f5f8aac617603dd300c2528a45bd4cc89fc1dbf825", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843518b6151f2a52f352f6f5f8aac617603dd300c2528a45bd4cc89fc1dbf825", kill_on_drop: false }`
[INFO] [stdout] 843518b6151f2a52f352f6f5f8aac617603dd300c2528a45bd4cc89fc1dbf825
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] fe4969aabf0a79de3babc5d562394237b33f462d6c81a67040d7ad585ab3b761
[INFO] running `Command { std: "docker" "start" "-a" "fe4969aabf0a79de3babc5d562394237b33f462d6c81a67040d7ad585ab3b761", kill_on_drop: false }`
[INFO] [stderr]    Compiling little_book_of_semaphores v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "fe4969aabf0a79de3babc5d562394237b33f462d6c81a67040d7ad585ab3b761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4969aabf0a79de3babc5d562394237b33f462d6c81a67040d7ad585ab3b761", kill_on_drop: false }`
[INFO] [stdout] fe4969aabf0a79de3babc5d562394237b33f462d6c81a67040d7ad585ab3b761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 067b842b055645cb9b32868cb1c04425655aca6690f2675e2a0c2a51b1e59049
[INFO] running `Command { std: "docker" "start" "-a" "067b842b055645cb9b32868cb1c04425655aca6690f2675e2a0c2a51b1e59049", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/little_book_of_semaphores-37749a64b48db0fe)
[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" "067b842b055645cb9b32868cb1c04425655aca6690f2675e2a0c2a51b1e59049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "067b842b055645cb9b32868cb1c04425655aca6690f2675e2a0c2a51b1e59049", kill_on_drop: false }`
[INFO] [stdout] 067b842b055645cb9b32868cb1c04425655aca6690f2675e2a0c2a51b1e59049