[INFO] cloning repository https://github.com/aliou/prefixer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aliou/prefixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliou%2Fprefixer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliou%2Fprefixer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f999e193db53f3105ae3b6ef0fda9f8be42b43f6
[INFO] testing aliou/prefixer against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faliou%2Fprefixer" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aliou/prefixer 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/aliou/prefixer
[INFO] finished tweaking git repo https://github.com/aliou/prefixer
[INFO] tweaked toml for git repo https://github.com/aliou/prefixer written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/aliou/prefixer 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 03481dffc56de7dbe1d7bff34d1083be0c82919425dc9dc49f70c55260f61f8f
[INFO] running `Command { std: "docker" "start" "-a" "03481dffc56de7dbe1d7bff34d1083be0c82919425dc9dc49f70c55260f61f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03481dffc56de7dbe1d7bff34d1083be0c82919425dc9dc49f70c55260f61f8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03481dffc56de7dbe1d7bff34d1083be0c82919425dc9dc49f70c55260f61f8f", kill_on_drop: false }`
[INFO] [stdout] 03481dffc56de7dbe1d7bff34d1083be0c82919425dc9dc49f70c55260f61f8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ddbafb6bacc1e0816ab59bbc786be7fe75449190fcea29f48d9d011e4177171f
[INFO] running `Command { std: "docker" "start" "-a" "ddbafb6bacc1e0816ab59bbc786be7fe75449190fcea29f48d9d011e4177171f", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ddbafb6bacc1e0816ab59bbc786be7fe75449190fcea29f48d9d011e4177171f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddbafb6bacc1e0816ab59bbc786be7fe75449190fcea29f48d9d011e4177171f", kill_on_drop: false }`
[INFO] [stdout] ddbafb6bacc1e0816ab59bbc786be7fe75449190fcea29f48d9d011e4177171f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 77c387422fde8fecd22cccdf2a6635d43c5761df567bcf10309b1f19c84fb4b1
[INFO] running `Command { std: "docker" "start" "-a" "77c387422fde8fecd22cccdf2a6635d43c5761df567bcf10309b1f19c84fb4b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling prefixer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "77c387422fde8fecd22cccdf2a6635d43c5761df567bcf10309b1f19c84fb4b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c387422fde8fecd22cccdf2a6635d43c5761df567bcf10309b1f19c84fb4b1", kill_on_drop: false }`
[INFO] [stdout] 77c387422fde8fecd22cccdf2a6635d43c5761df567bcf10309b1f19c84fb4b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] fddff9c66ea36fae7b1057c0e1f37b867455a794d556a3902395a5534238affb
[INFO] running `Command { std: "docker" "start" "-a" "fddff9c66ea36fae7b1057c0e1f37b867455a794d556a3902395a5534238affb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prefixer-2e0a43a9f463a518)
[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" "fddff9c66ea36fae7b1057c0e1f37b867455a794d556a3902395a5534238affb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddff9c66ea36fae7b1057c0e1f37b867455a794d556a3902395a5534238affb", kill_on_drop: false }`
[INFO] [stdout] fddff9c66ea36fae7b1057c0e1f37b867455a794d556a3902395a5534238affb