[INFO] fetching crate colorpal 0.0.1...
[INFO] testing colorpal-0.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate colorpal 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate colorpal 0.0.1 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 crates.io crate colorpal 0.0.1
[INFO] finished tweaking crates.io crate colorpal 0.0.1
[INFO] tweaked toml for crates.io crate colorpal 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate colorpal 0.0.1 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4d6e9ad00c16dc1bb56cb50d5524dd52159e48a2dc71cc56e64f7571270ee3f6
[INFO] running `Command { std: "docker" "start" "-a" "4d6e9ad00c16dc1bb56cb50d5524dd52159e48a2dc71cc56e64f7571270ee3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6e9ad00c16dc1bb56cb50d5524dd52159e48a2dc71cc56e64f7571270ee3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6e9ad00c16dc1bb56cb50d5524dd52159e48a2dc71cc56e64f7571270ee3f6", kill_on_drop: false }`
[INFO] [stdout] 4d6e9ad00c16dc1bb56cb50d5524dd52159e48a2dc71cc56e64f7571270ee3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] ca5f7bd288ec50710133a54bf31d73fb5b16b6bf7d4150c331416a799205052b
[INFO] running `Command { std: "docker" "start" "-a" "ca5f7bd288ec50710133a54bf31d73fb5b16b6bf7d4150c331416a799205052b", kill_on_drop: false }`
[INFO] [stderr]    Compiling dominant_color v0.3.0
[INFO] [stderr]    Compiling colorpal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "ca5f7bd288ec50710133a54bf31d73fb5b16b6bf7d4150c331416a799205052b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5f7bd288ec50710133a54bf31d73fb5b16b6bf7d4150c331416a799205052b", kill_on_drop: false }`
[INFO] [stdout] ca5f7bd288ec50710133a54bf31d73fb5b16b6bf7d4150c331416a799205052b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cec39c6129a46e598f1402ba40dec4a709df9361f89097ec27d5de8df21e8aba
[INFO] running `Command { std: "docker" "start" "-a" "cec39c6129a46e598f1402ba40dec4a709df9361f89097ec27d5de8df21e8aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorpal v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "cec39c6129a46e598f1402ba40dec4a709df9361f89097ec27d5de8df21e8aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cec39c6129a46e598f1402ba40dec4a709df9361f89097ec27d5de8df21e8aba", kill_on_drop: false }`
[INFO] [stdout] cec39c6129a46e598f1402ba40dec4a709df9361f89097ec27d5de8df21e8aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6a1ca11a069713102cb75fb5864f5230436e891fae98548d995c2cece1fc1ccd
[INFO] running `Command { std: "docker" "start" "-a" "6a1ca11a069713102cb75fb5864f5230436e891fae98548d995c2cece1fc1ccd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/colorpal-2322e5a5340e7813)
[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" "6a1ca11a069713102cb75fb5864f5230436e891fae98548d995c2cece1fc1ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1ca11a069713102cb75fb5864f5230436e891fae98548d995c2cece1fc1ccd", kill_on_drop: false }`
[INFO] [stdout] 6a1ca11a069713102cb75fb5864f5230436e891fae98548d995c2cece1fc1ccd