[INFO] cloning repository https://github.com/maxluk12/oneblock_rust_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxluk12/oneblock_rust_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Foneblock_rust_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Foneblock_rust_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b2762a8383c3b9af6f14609c811adb029bce6d2
[INFO] testing maxluk12/oneblock_rust_4 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxluk12%2Foneblock_rust_4" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxluk12/oneblock_rust_4 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxluk12/oneblock_rust_4
[INFO] finished tweaking git repo https://github.com/maxluk12/oneblock_rust_4
[INFO] tweaked toml for git repo https://github.com/maxluk12/oneblock_rust_4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/maxluk12/oneblock_rust_4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfde257dcbcbd9f876d777d47c7e4c60e21316513e1f7c5deb39948625b450ab
[INFO] running `Command { std: "docker" "start" "-a" "bfde257dcbcbd9f876d777d47c7e4c60e21316513e1f7c5deb39948625b450ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfde257dcbcbd9f876d777d47c7e4c60e21316513e1f7c5deb39948625b450ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfde257dcbcbd9f876d777d47c7e4c60e21316513e1f7c5deb39948625b450ab", kill_on_drop: false }`
[INFO] [stdout] bfde257dcbcbd9f876d777d47c7e4c60e21316513e1f7c5deb39948625b450ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9a38762253f43b47ee27f01e2f84799da5eac0d4c450068e3ab2bb85faf03c
[INFO] running `Command { std: "docker" "start" "-a" "8f9a38762253f43b47ee27f01e2f84799da5eac0d4c450068e3ab2bb85faf03c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling homework4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "8f9a38762253f43b47ee27f01e2f84799da5eac0d4c450068e3ab2bb85faf03c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9a38762253f43b47ee27f01e2f84799da5eac0d4c450068e3ab2bb85faf03c", kill_on_drop: false }`
[INFO] [stdout] 8f9a38762253f43b47ee27f01e2f84799da5eac0d4c450068e3ab2bb85faf03c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15a78142677e02ffa1f4073e341fc930e7b6f5630881c5559451faf02886b309
[INFO] running `Command { std: "docker" "start" "-a" "15a78142677e02ffa1f4073e341fc930e7b6f5630881c5559451faf02886b309", kill_on_drop: false }`
[INFO] [stderr]    Compiling homework4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "15a78142677e02ffa1f4073e341fc930e7b6f5630881c5559451faf02886b309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15a78142677e02ffa1f4073e341fc930e7b6f5630881c5559451faf02886b309", kill_on_drop: false }`
[INFO] [stdout] 15a78142677e02ffa1f4073e341fc930e7b6f5630881c5559451faf02886b309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d0e8c4993b5060d3439f9ad7e7f6260cf92ff04cbb003caced396feaf85b0a1e
[INFO] running `Command { std: "docker" "start" "-a" "d0e8c4993b5060d3439f9ad7e7f6260cf92ff04cbb003caced396feaf85b0a1e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/homework4-4c025d1b67246119)
[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" "d0e8c4993b5060d3439f9ad7e7f6260cf92ff04cbb003caced396feaf85b0a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0e8c4993b5060d3439f9ad7e7f6260cf92ff04cbb003caced396feaf85b0a1e", kill_on_drop: false }`
[INFO] [stdout] d0e8c4993b5060d3439f9ad7e7f6260cf92ff04cbb003caced396feaf85b0a1e