[INFO] fetching crate quick 0.1.0-alpha.5...
[INFO] testing quick-0.1.0-alpha.5 against 1.55.0 for beta-1.56-1
[INFO] extracting crate quick 0.1.0-alpha.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate quick 0.1.0-alpha.5 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 quick 0.1.0-alpha.5
[INFO] finished tweaking crates.io crate quick 0.1.0-alpha.5
[INFO] tweaked toml for crates.io crate quick 0.1.0-alpha.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] d25df8bcabed9a8fb83ae7c1154b5664d30afb47ac111839919d0764b65128fd
[INFO] running `Command { std: "docker" "start" "-a" "d25df8bcabed9a8fb83ae7c1154b5664d30afb47ac111839919d0764b65128fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d25df8bcabed9a8fb83ae7c1154b5664d30afb47ac111839919d0764b65128fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d25df8bcabed9a8fb83ae7c1154b5664d30afb47ac111839919d0764b65128fd", kill_on_drop: false }`
[INFO] [stdout] d25df8bcabed9a8fb83ae7c1154b5664d30afb47ac111839919d0764b65128fd
[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" "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] 3477b1feda401263b2f317ced240e56e90a749e88d3093497b736d03dfc4cfc0
[INFO] running `Command { std: "docker" "start" "-a" "3477b1feda401263b2f317ced240e56e90a749e88d3093497b736d03dfc4cfc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "3477b1feda401263b2f317ced240e56e90a749e88d3093497b736d03dfc4cfc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3477b1feda401263b2f317ced240e56e90a749e88d3093497b736d03dfc4cfc0", kill_on_drop: false }`
[INFO] [stdout] 3477b1feda401263b2f317ced240e56e90a749e88d3093497b736d03dfc4cfc0
[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" "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] 50a691865ed0fba2add9f3a00d451b68d5025bd61e09b361f4639ab22e0885d5
[INFO] running `Command { std: "docker" "start" "-a" "50a691865ed0fba2add9f3a00d451b68d5025bd61e09b361f4639ab22e0885d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling quick v0.1.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "50a691865ed0fba2add9f3a00d451b68d5025bd61e09b361f4639ab22e0885d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a691865ed0fba2add9f3a00d451b68d5025bd61e09b361f4639ab22e0885d5", kill_on_drop: false }`
[INFO] [stdout] 50a691865ed0fba2add9f3a00d451b68d5025bd61e09b361f4639ab22e0885d5
[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" "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] 061d0cc35b31d8b435668d0230defff551a0c9fc54e7c48c7e8d76b0cd435e4d
[INFO] running `Command { std: "docker" "start" "-a" "061d0cc35b31d8b435668d0230defff551a0c9fc54e7c48c7e8d76b0cd435e4d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quick-7f3dffcaeb93fa6e)
[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 quick
[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" "061d0cc35b31d8b435668d0230defff551a0c9fc54e7c48c7e8d76b0cd435e4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061d0cc35b31d8b435668d0230defff551a0c9fc54e7c48c7e8d76b0cd435e4d", kill_on_drop: false }`
[INFO] [stdout] 061d0cc35b31d8b435668d0230defff551a0c9fc54e7c48c7e8d76b0cd435e4d