[INFO] fetching crate art_mix_color 0.1.1...
[INFO] testing art_mix_color-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate art_mix_color 0.1.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate art_mix_color 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate art_mix_color 0.1.1
[INFO] finished tweaking crates.io crate art_mix_color 0.1.1
[INFO] tweaked toml for crates.io crate art_mix_color 0.1.1 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate art_mix_color 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f70ef4e70a2c10163e9b0af27bfce95a8bbb43c77b77108f161d3ba91592fa3
[INFO] running `Command { std: "docker" "start" "-a" "4f70ef4e70a2c10163e9b0af27bfce95a8bbb43c77b77108f161d3ba91592fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f70ef4e70a2c10163e9b0af27bfce95a8bbb43c77b77108f161d3ba91592fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f70ef4e70a2c10163e9b0af27bfce95a8bbb43c77b77108f161d3ba91592fa3", kill_on_drop: false }`
[INFO] [stdout] 4f70ef4e70a2c10163e9b0af27bfce95a8bbb43c77b77108f161d3ba91592fa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52b009ddd56213a925d6ce47522c87feb194eee62fdd3e8715c73394d7bba037
[INFO] running `Command { std: "docker" "start" "-a" "52b009ddd56213a925d6ce47522c87feb194eee62fdd3e8715c73394d7bba037", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling art_mix_color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "52b009ddd56213a925d6ce47522c87feb194eee62fdd3e8715c73394d7bba037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52b009ddd56213a925d6ce47522c87feb194eee62fdd3e8715c73394d7bba037", kill_on_drop: false }`
[INFO] [stdout] 52b009ddd56213a925d6ce47522c87feb194eee62fdd3e8715c73394d7bba037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01c6d8722a2f5311d896e16679061851a864aa6f34e6822b80062e82661570df
[INFO] running `Command { std: "docker" "start" "-a" "01c6d8722a2f5311d896e16679061851a864aa6f34e6822b80062e82661570df", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_mix_color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "01c6d8722a2f5311d896e16679061851a864aa6f34e6822b80062e82661570df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c6d8722a2f5311d896e16679061851a864aa6f34e6822b80062e82661570df", kill_on_drop: false }`
[INFO] [stdout] 01c6d8722a2f5311d896e16679061851a864aa6f34e6822b80062e82661570df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0776465b8d1e54096990f06cd3fdf91b4e6d7c777f202c72e7185174a5a7b69e
[INFO] running `Command { std: "docker" "start" "-a" "0776465b8d1e54096990f06cd3fdf91b4e6d7c777f202c72e7185174a5a7b69e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_mix_color-621b03e800811886)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_mix ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_mix_color-c6a85f01a8997ee7)
[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] [stderr]    Doc-tests art_mix_color
[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" "0776465b8d1e54096990f06cd3fdf91b4e6d7c777f202c72e7185174a5a7b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0776465b8d1e54096990f06cd3fdf91b4e6d7c777f202c72e7185174a5a7b69e", kill_on_drop: false }`
[INFO] [stdout] 0776465b8d1e54096990f06cd3fdf91b4e6d7c777f202c72e7185174a5a7b69e