[INFO] cloning repository https://github.com/yu2ta7ka/arabic_to_roman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yu2ta7ka/arabic_to_roman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu2ta7ka%2Farabic_to_roman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu2ta7ka%2Farabic_to_roman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c91b29a0366ab56cf0d794d3a0d7c3136665eff9
[INFO] testing yu2ta7ka/arabic_to_roman against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyu2ta7ka%2Farabic_to_roman" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yu2ta7ka/arabic_to_roman on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yu2ta7ka/arabic_to_roman
[INFO] finished tweaking git repo https://github.com/yu2ta7ka/arabic_to_roman
[INFO] tweaked toml for git repo https://github.com/yu2ta7ka/arabic_to_roman written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/yu2ta7ka/arabic_to_roman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f02f8ea8f65b4f4010d3051ef9526ca64bf4bd663fc5b1b53f3c127c25d630c
[INFO] running `Command { std: "docker" "start" "-a" "3f02f8ea8f65b4f4010d3051ef9526ca64bf4bd663fc5b1b53f3c127c25d630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f02f8ea8f65b4f4010d3051ef9526ca64bf4bd663fc5b1b53f3c127c25d630c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f02f8ea8f65b4f4010d3051ef9526ca64bf4bd663fc5b1b53f3c127c25d630c", kill_on_drop: false }`
[INFO] [stdout] 3f02f8ea8f65b4f4010d3051ef9526ca64bf4bd663fc5b1b53f3c127c25d630c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5023e4c8434f42b46bba128d77fa571e09118434350493545a6093a0a81a0b5
[INFO] running `Command { std: "docker" "start" "-a" "d5023e4c8434f42b46bba128d77fa571e09118434350493545a6093a0a81a0b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling arabic_to_roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "d5023e4c8434f42b46bba128d77fa571e09118434350493545a6093a0a81a0b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5023e4c8434f42b46bba128d77fa571e09118434350493545a6093a0a81a0b5", kill_on_drop: false }`
[INFO] [stdout] d5023e4c8434f42b46bba128d77fa571e09118434350493545a6093a0a81a0b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4c87f247cd33f0483f11900952cc8126f367a2e66be6d37c1545d642e13dd2
[INFO] running `Command { std: "docker" "start" "-a" "ac4c87f247cd33f0483f11900952cc8126f367a2e66be6d37c1545d642e13dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arabic_to_roman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "ac4c87f247cd33f0483f11900952cc8126f367a2e66be6d37c1545d642e13dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4c87f247cd33f0483f11900952cc8126f367a2e66be6d37c1545d642e13dd2", kill_on_drop: false }`
[INFO] [stdout] ac4c87f247cd33f0483f11900952cc8126f367a2e66be6d37c1545d642e13dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb40393c696cd7a20c9826655519c97f55463c5f7bc5d82c97b0fba97ac6832c
[INFO] running `Command { std: "docker" "start" "-a" "eb40393c696cd7a20c9826655519c97f55463c5f7bc5d82c97b0fba97ac6832c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arabic_to_roman-9a9cace0d538c407)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test arabic_to_roman_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb40393c696cd7a20c9826655519c97f55463c5f7bc5d82c97b0fba97ac6832c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb40393c696cd7a20c9826655519c97f55463c5f7bc5d82c97b0fba97ac6832c", kill_on_drop: false }`
[INFO] [stdout] eb40393c696cd7a20c9826655519c97f55463c5f7bc5d82c97b0fba97ac6832c