[INFO] fetching crate art_mix_color 0.1.1...
[INFO] testing art_mix_color-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate art_mix_color 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate art_mix_color 0.1.1 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 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-5/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f666826ebc959bac69505b9038c4f08d86279dd00da0fda73898f4e66de62fef
[INFO] running `Command { std: "docker" "start" "-a" "f666826ebc959bac69505b9038c4f08d86279dd00da0fda73898f4e66de62fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f666826ebc959bac69505b9038c4f08d86279dd00da0fda73898f4e66de62fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f666826ebc959bac69505b9038c4f08d86279dd00da0fda73898f4e66de62fef", kill_on_drop: false }`
[INFO] [stdout] f666826ebc959bac69505b9038c4f08d86279dd00da0fda73898f4e66de62fef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bb8c1aab750adacfb5cc38d169d8077667f7cccedaeab61b353f0df0ba710cec
[INFO] running `Command { std: "docker" "start" "-a" "bb8c1aab750adacfb5cc38d169d8077667f7cccedaeab61b353f0df0ba710cec", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_mix_color v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "bb8c1aab750adacfb5cc38d169d8077667f7cccedaeab61b353f0df0ba710cec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb8c1aab750adacfb5cc38d169d8077667f7cccedaeab61b353f0df0ba710cec", kill_on_drop: false }`
[INFO] [stdout] bb8c1aab750adacfb5cc38d169d8077667f7cccedaeab61b353f0df0ba710cec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] af1349abe400734d1f812bb5e3b7b1ae10cf2a29163f587defba3455bd154a1b
[INFO] running `Command { std: "docker" "start" "-a" "af1349abe400734d1f812bb5e3b7b1ae10cf2a29163f587defba3455bd154a1b", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "af1349abe400734d1f812bb5e3b7b1ae10cf2a29163f587defba3455bd154a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af1349abe400734d1f812bb5e3b7b1ae10cf2a29163f587defba3455bd154a1b", kill_on_drop: false }`
[INFO] [stdout] af1349abe400734d1f812bb5e3b7b1ae10cf2a29163f587defba3455bd154a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 6c01fb4650af79501f7726738cf4d47d96ec41d55d9a388a8357d2c8c5c0e7a5
[INFO] running `Command { std: "docker" "start" "-a" "6c01fb4650af79501f7726738cf4d47d96ec41d55d9a388a8357d2c8c5c0e7a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_mix_color-2e544b3407554b23)
[INFO] [stdout] test tests::test_mix ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_mix_color-c026605106aa0786)
[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]    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] [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" "6c01fb4650af79501f7726738cf4d47d96ec41d55d9a388a8357d2c8c5c0e7a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c01fb4650af79501f7726738cf4d47d96ec41d55d9a388a8357d2c8c5c0e7a5", kill_on_drop: false }`
[INFO] [stdout] 6c01fb4650af79501f7726738cf4d47d96ec41d55d9a388a8357d2c8c5c0e7a5