[INFO] cloning repository https://github.com/jac/c8r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jac/c8r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac%2Fc8r", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac%2Fc8r'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5af7ced20e3993fa99f46e67457bd458bc99fc0d
[INFO] testing jac/c8r against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjac%2Fc8r" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jac/c8r 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/jac/c8r
[INFO] finished tweaking git repo https://github.com/jac/c8r
[INFO] tweaked toml for git repo https://github.com/jac/c8r written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jac/c8r 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 57bade861aa7b45891c8386788d27e4bd88c3e2d76f7a4103ba7732768e0da13
[INFO] running `Command { std: "docker" "start" "-a" "57bade861aa7b45891c8386788d27e4bd88c3e2d76f7a4103ba7732768e0da13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57bade861aa7b45891c8386788d27e4bd88c3e2d76f7a4103ba7732768e0da13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57bade861aa7b45891c8386788d27e4bd88c3e2d76f7a4103ba7732768e0da13", kill_on_drop: false }`
[INFO] [stdout] 57bade861aa7b45891c8386788d27e4bd88c3e2d76f7a4103ba7732768e0da13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a9faefe314af0cde930f44c5e890b81ead3a4ac3ed451963f0b277fdf55921be
[INFO] running `Command { std: "docker" "start" "-a" "a9faefe314af0cde930f44c5e890b81ead3a4ac3ed451963f0b277fdf55921be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling bitvec v0.15.2
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling c8r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "a9faefe314af0cde930f44c5e890b81ead3a4ac3ed451963f0b277fdf55921be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9faefe314af0cde930f44c5e890b81ead3a4ac3ed451963f0b277fdf55921be", kill_on_drop: false }`
[INFO] [stdout] a9faefe314af0cde930f44c5e890b81ead3a4ac3ed451963f0b277fdf55921be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 7d6043f0399aae72972490bacdb8ec381af4a57c5949521914f44dee896398be
[INFO] running `Command { std: "docker" "start" "-a" "7d6043f0399aae72972490bacdb8ec381af4a57c5949521914f44dee896398be", kill_on_drop: false }`
[INFO] [stderr]    Compiling c8r v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "7d6043f0399aae72972490bacdb8ec381af4a57c5949521914f44dee896398be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6043f0399aae72972490bacdb8ec381af4a57c5949521914f44dee896398be", kill_on_drop: false }`
[INFO] [stdout] 7d6043f0399aae72972490bacdb8ec381af4a57c5949521914f44dee896398be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2b683ee3488dc767e4405ee5b54cf0447e896af3a6e7710f2faa1c4585d7f198
[INFO] running `Command { std: "docker" "start" "-a" "2b683ee3488dc767e4405ee5b54cf0447e896af3a6e7710f2faa1c4585d7f198", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c8r-545cfd5bd9732ae1)
[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" "2b683ee3488dc767e4405ee5b54cf0447e896af3a6e7710f2faa1c4585d7f198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b683ee3488dc767e4405ee5b54cf0447e896af3a6e7710f2faa1c4585d7f198", kill_on_drop: false }`
[INFO] [stdout] 2b683ee3488dc767e4405ee5b54cf0447e896af3a6e7710f2faa1c4585d7f198