[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 1.55.0 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-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yu2ta7ka/arabic_to_roman 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/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-13/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" "+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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 793cc123472edd71fe8db33753ef0da952dc6acc872b51787a50288bf4c23d9f
[INFO] running `Command { std: "docker" "start" "-a" "793cc123472edd71fe8db33753ef0da952dc6acc872b51787a50288bf4c23d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "793cc123472edd71fe8db33753ef0da952dc6acc872b51787a50288bf4c23d9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793cc123472edd71fe8db33753ef0da952dc6acc872b51787a50288bf4c23d9f", kill_on_drop: false }`
[INFO] [stdout] 793cc123472edd71fe8db33753ef0da952dc6acc872b51787a50288bf4c23d9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] eacf92a3dec50fb7b9fd469bc5f24d0a5b71b9ea4368784ed55fe56cd6cef93d
[INFO] running `Command { std: "docker" "start" "-a" "eacf92a3dec50fb7b9fd469bc5f24d0a5b71b9ea4368784ed55fe56cd6cef93d", 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 0.84s
[INFO] running `Command { std: "docker" "inspect" "eacf92a3dec50fb7b9fd469bc5f24d0a5b71b9ea4368784ed55fe56cd6cef93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eacf92a3dec50fb7b9fd469bc5f24d0a5b71b9ea4368784ed55fe56cd6cef93d", kill_on_drop: false }`
[INFO] [stdout] eacf92a3dec50fb7b9fd469bc5f24d0a5b71b9ea4368784ed55fe56cd6cef93d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 96898da6d73af281874b1b482fbb2e0267b3d4db1fcf7fd17f4507e3244f325f
[INFO] running `Command { std: "docker" "start" "-a" "96898da6d73af281874b1b482fbb2e0267b3d4db1fcf7fd17f4507e3244f325f", 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "96898da6d73af281874b1b482fbb2e0267b3d4db1fcf7fd17f4507e3244f325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96898da6d73af281874b1b482fbb2e0267b3d4db1fcf7fd17f4507e3244f325f", kill_on_drop: false }`
[INFO] [stdout] 96898da6d73af281874b1b482fbb2e0267b3d4db1fcf7fd17f4507e3244f325f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c475285c50df0c6477a0485a0d2d3f4675337a7cdaae36dba6d668292f6e8f36
[INFO] running `Command { std: "docker" "start" "-a" "c475285c50df0c6477a0485a0d2d3f4675337a7cdaae36dba6d668292f6e8f36", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arabic_to_roman-8b766b6955b9de17)
[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" "c475285c50df0c6477a0485a0d2d3f4675337a7cdaae36dba6d668292f6e8f36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c475285c50df0c6477a0485a0d2d3f4675337a7cdaae36dba6d668292f6e8f36", kill_on_drop: false }`
[INFO] [stdout] c475285c50df0c6477a0485a0d2d3f4675337a7cdaae36dba6d668292f6e8f36