[INFO] fetching crate art_lib 0.1.2...
[INFO] testing art_lib-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate art_lib 0.1.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate art_lib 0.1.2 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_lib 0.1.2
[INFO] finished tweaking crates.io crate art_lib 0.1.2
[INFO] tweaked toml for crates.io crate art_lib 0.1.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate art_lib 0.1.2 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] f63c912de235ae92ac4fb11ac3345b62cbe2d8698ea0ec654a852c508b82c3f0
[INFO] running `Command { std: "docker" "start" "-a" "f63c912de235ae92ac4fb11ac3345b62cbe2d8698ea0ec654a852c508b82c3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f63c912de235ae92ac4fb11ac3345b62cbe2d8698ea0ec654a852c508b82c3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63c912de235ae92ac4fb11ac3345b62cbe2d8698ea0ec654a852c508b82c3f0", kill_on_drop: false }`
[INFO] [stdout] f63c912de235ae92ac4fb11ac3345b62cbe2d8698ea0ec654a852c508b82c3f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 6ea1b664a2763dc530d6c5785f647e7e8d3dbd1b93a21ae0e490189c76b67e50
[INFO] running `Command { std: "docker" "start" "-a" "6ea1b664a2763dc530d6c5785f647e7e8d3dbd1b93a21ae0e490189c76b67e50", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "6ea1b664a2763dc530d6c5785f647e7e8d3dbd1b93a21ae0e490189c76b67e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea1b664a2763dc530d6c5785f647e7e8d3dbd1b93a21ae0e490189c76b67e50", kill_on_drop: false }`
[INFO] [stdout] 6ea1b664a2763dc530d6c5785f647e7e8d3dbd1b93a21ae0e490189c76b67e50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 801c28409b6b5ffbaf6adec82ce648d70f0628744f21da9647431503be33f090
[INFO] running `Command { std: "docker" "start" "-a" "801c28409b6b5ffbaf6adec82ce648d70f0628744f21da9647431503be33f090", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "801c28409b6b5ffbaf6adec82ce648d70f0628744f21da9647431503be33f090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801c28409b6b5ffbaf6adec82ce648d70f0628744f21da9647431503be33f090", kill_on_drop: false }`
[INFO] [stdout] 801c28409b6b5ffbaf6adec82ce648d70f0628744f21da9647431503be33f090
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 3427a9134fd703cb87c42910d4035720c082be2016356488359ba21d00d28675
[INFO] running `Command { std: "docker" "start" "-a" "3427a9134fd703cb87c42910d4035720c082be2016356488359ba21d00d28675", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_lib-358a6f1dce245520)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_lib-de1f16b137951cc8)
[INFO] [stdout] test test::test_red_red - should panic ... ok
[INFO] [stdout] test test::test_blue_blue - should panic ... ok
[INFO] [stdout] test test::test_yellow_yellow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests art_lib
[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 1 test
[INFO] [stdout] test src/lib.rs - utils::mix (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3427a9134fd703cb87c42910d4035720c082be2016356488359ba21d00d28675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3427a9134fd703cb87c42910d4035720c082be2016356488359ba21d00d28675", kill_on_drop: false }`
[INFO] [stdout] 3427a9134fd703cb87c42910d4035720c082be2016356488359ba21d00d28675