[INFO] fetching crate rubidium 0.0.17...
[INFO] testing rubidium-0.0.17 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rubidium 0.0.17 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate rubidium 0.0.17 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-34/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82728e6b673a2a948c209e496f5849c3f2db8b85b71eb32b1c688d338b52508c
[INFO] running `Command { std: "docker" "start" "-a" "82728e6b673a2a948c209e496f5849c3f2db8b85b71eb32b1c688d338b52508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82728e6b673a2a948c209e496f5849c3f2db8b85b71eb32b1c688d338b52508c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82728e6b673a2a948c209e496f5849c3f2db8b85b71eb32b1c688d338b52508c", kill_on_drop: false }`
[INFO] [stdout] 82728e6b673a2a948c209e496f5849c3f2db8b85b71eb32b1c688d338b52508c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b884fedb77bbd443f0d0b836cfa49a93001b3491b79b4da3488906c4d3a6799
[INFO] running `Command { std: "docker" "start" "-a" "8b884fedb77bbd443f0d0b836cfa49a93001b3491b79b4da3488906c4d3a6799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rubidium v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "8b884fedb77bbd443f0d0b836cfa49a93001b3491b79b4da3488906c4d3a6799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b884fedb77bbd443f0d0b836cfa49a93001b3491b79b4da3488906c4d3a6799", kill_on_drop: false }`
[INFO] [stdout] 8b884fedb77bbd443f0d0b836cfa49a93001b3491b79b4da3488906c4d3a6799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d10b9bc625e2791a763851d9700dbb1e380db66b1042e4680c723c17a794b5b
[INFO] running `Command { std: "docker" "start" "-a" "5d10b9bc625e2791a763851d9700dbb1e380db66b1042e4680c723c17a794b5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubidium v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "5d10b9bc625e2791a763851d9700dbb1e380db66b1042e4680c723c17a794b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d10b9bc625e2791a763851d9700dbb1e380db66b1042e4680c723c17a794b5b", kill_on_drop: false }`
[INFO] [stdout] 5d10b9bc625e2791a763851d9700dbb1e380db66b1042e4680c723c17a794b5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 849def408792782c47d1f9d1f8258fbf3a57606e2a2f3ee3054dcb455ae1d99c
[INFO] running `Command { std: "docker" "start" "-a" "849def408792782c47d1f9d1f8258fbf3a57606e2a2f3ee3054dcb455ae1d99c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubidium-d206f7577e5c0d86)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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" "849def408792782c47d1f9d1f8258fbf3a57606e2a2f3ee3054dcb455ae1d99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "849def408792782c47d1f9d1f8258fbf3a57606e2a2f3ee3054dcb455ae1d99c", kill_on_drop: false }`
[INFO] [stdout] 849def408792782c47d1f9d1f8258fbf3a57606e2a2f3ee3054dcb455ae1d99c