[INFO] fetching crate rubidium 0.0.17...
[INFO] testing rubidium-0.0.17 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rubidium 0.0.17 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rubidium 0.0.17 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubidium 0.0.17
[INFO] finished tweaking crates.io crate rubidium 0.0.17
[INFO] tweaked toml for crates.io crate rubidium 0.0.17 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1595afd2d7321db0339b2257bd23b3dfad5f749cf678d6a68552693fc76b6ea8
[INFO] running `Command { std: "docker" "start" "-a" "1595afd2d7321db0339b2257bd23b3dfad5f749cf678d6a68552693fc76b6ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1595afd2d7321db0339b2257bd23b3dfad5f749cf678d6a68552693fc76b6ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1595afd2d7321db0339b2257bd23b3dfad5f749cf678d6a68552693fc76b6ea8", kill_on_drop: false }`
[INFO] [stdout] 1595afd2d7321db0339b2257bd23b3dfad5f749cf678d6a68552693fc76b6ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bad5dbd9d941df43350db4a6e8246c89eb4f01fcf2f54be1c4517c1de5e42a2f
[INFO] running `Command { std: "docker" "start" "-a" "bad5dbd9d941df43350db4a6e8246c89eb4f01fcf2f54be1c4517c1de5e42a2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubidium v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "bad5dbd9d941df43350db4a6e8246c89eb4f01fcf2f54be1c4517c1de5e42a2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad5dbd9d941df43350db4a6e8246c89eb4f01fcf2f54be1c4517c1de5e42a2f", kill_on_drop: false }`
[INFO] [stdout] bad5dbd9d941df43350db4a6e8246c89eb4f01fcf2f54be1c4517c1de5e42a2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35577b62693fc9c23d7f29e6dd3a38935526970afc25bf928439031ddfa18397
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "35577b62693fc9c23d7f29e6dd3a38935526970afc25bf928439031ddfa18397", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubidium v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "35577b62693fc9c23d7f29e6dd3a38935526970afc25bf928439031ddfa18397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35577b62693fc9c23d7f29e6dd3a38935526970afc25bf928439031ddfa18397", kill_on_drop: false }`
[INFO] [stdout] 35577b62693fc9c23d7f29e6dd3a38935526970afc25bf928439031ddfa18397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c70d3433ca6fde37bbcc80825a073369886da6dc6f72fe6311aa7a2247ff0aee
[INFO] running `Command { std: "docker" "start" "-a" "c70d3433ca6fde37bbcc80825a073369886da6dc6f72fe6311aa7a2247ff0aee", 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 /opt/rustwide/target/debug/deps/rubidium-46a0fef8932b50b9
[INFO] [stdout] test color_value_check ... 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]    Doc-tests rubidium
[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" "c70d3433ca6fde37bbcc80825a073369886da6dc6f72fe6311aa7a2247ff0aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70d3433ca6fde37bbcc80825a073369886da6dc6f72fe6311aa7a2247ff0aee", kill_on_drop: false }`
[INFO] [stdout] c70d3433ca6fde37bbcc80825a073369886da6dc6f72fe6311aa7a2247ff0aee