[INFO] cloning repository https://github.com/BrianKopp/rust-challenge-roman-numerals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianKopp/rust-challenge-roman-numerals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebd4e61da7c1d8289b201e2aa9150de8d7d87832
[INFO] testing BrianKopp/rust-challenge-roman-numerals against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianKopp%2Frust-challenge-roman-numerals" "/workspace/builds/worker-43/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrianKopp/rust-challenge-roman-numerals 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/BrianKopp/rust-challenge-roman-numerals
[INFO] finished tweaking git repo https://github.com/BrianKopp/rust-challenge-roman-numerals
[INFO] tweaked toml for git repo https://github.com/BrianKopp/rust-challenge-roman-numerals written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate git repo https://github.com/BrianKopp/rust-challenge-roman-numerals 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 876a10ea76b2dc2466fdad290c21d310b06328ca52273c878be2ef4003479f11
[INFO] running `Command { std: "docker" "start" "-a" "876a10ea76b2dc2466fdad290c21d310b06328ca52273c878be2ef4003479f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876a10ea76b2dc2466fdad290c21d310b06328ca52273c878be2ef4003479f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876a10ea76b2dc2466fdad290c21d310b06328ca52273c878be2ef4003479f11", kill_on_drop: false }`
[INFO] [stdout] 876a10ea76b2dc2466fdad290c21d310b06328ca52273c878be2ef4003479f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 729244010d34517d1bedb8aaeda91859a2e652664c89429816fa7a9c8d0a9e60
[INFO] running `Command { std: "docker" "start" "-a" "729244010d34517d1bedb8aaeda91859a2e652664c89429816fa7a9c8d0a9e60", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "729244010d34517d1bedb8aaeda91859a2e652664c89429816fa7a9c8d0a9e60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729244010d34517d1bedb8aaeda91859a2e652664c89429816fa7a9c8d0a9e60", kill_on_drop: false }`
[INFO] [stdout] 729244010d34517d1bedb8aaeda91859a2e652664c89429816fa7a9c8d0a9e60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] efdbe3d54a73ee600c2a5457c7fef9d65a424fc5640e74bb5adbf963601b58e2
[INFO] running `Command { std: "docker" "start" "-a" "efdbe3d54a73ee600c2a5457c7fef9d65a424fc5640e74bb5adbf963601b58e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy-roman-numerals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "efdbe3d54a73ee600c2a5457c7fef9d65a424fc5640e74bb5adbf963601b58e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efdbe3d54a73ee600c2a5457c7fef9d65a424fc5640e74bb5adbf963601b58e2", kill_on_drop: false }`
[INFO] [stdout] efdbe3d54a73ee600c2a5457c7fef9d65a424fc5640e74bb5adbf963601b58e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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] 72482c49049a51bf052e28cf87c3564175ecef30f238e4762c0be5a0de19afb8
[INFO] running `Command { std: "docker" "start" "-a" "72482c49049a51bf052e28cf87c3564175ecef30f238e4762c0be5a0de19afb8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/easy_roman_numerals-33bb4c07636e81be)
[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" "72482c49049a51bf052e28cf87c3564175ecef30f238e4762c0be5a0de19afb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72482c49049a51bf052e28cf87c3564175ecef30f238e4762c0be5a0de19afb8", kill_on_drop: false }`
[INFO] [stdout] 72482c49049a51bf052e28cf87c3564175ecef30f238e4762c0be5a0de19afb8