[INFO] fetching crate polyp 0.7.0...
[INFO] testing polyp-0.7.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate polyp 0.7.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate polyp 0.7.0 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 polyp 0.7.0
[INFO] finished tweaking crates.io crate polyp 0.7.0
[INFO] tweaked toml for crates.io crate polyp 0.7.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2a778b530a4a036d40c5da16f396945cff97b305194435fc1b3b55665f46a7ec
[INFO] running `Command { std: "docker" "start" "-a" "2a778b530a4a036d40c5da16f396945cff97b305194435fc1b3b55665f46a7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a778b530a4a036d40c5da16f396945cff97b305194435fc1b3b55665f46a7ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a778b530a4a036d40c5da16f396945cff97b305194435fc1b3b55665f46a7ec", kill_on_drop: false }`
[INFO] [stdout] 2a778b530a4a036d40c5da16f396945cff97b305194435fc1b3b55665f46a7ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 374368e7d04b825df2d64927de8a9a5e8cf735462b7098b7efe45c6ff7a2f90b
[INFO] running `Command { std: "docker" "start" "-a" "374368e7d04b825df2d64927de8a9a5e8cf735462b7098b7efe45c6ff7a2f90b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling polyp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "374368e7d04b825df2d64927de8a9a5e8cf735462b7098b7efe45c6ff7a2f90b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374368e7d04b825df2d64927de8a9a5e8cf735462b7098b7efe45c6ff7a2f90b", kill_on_drop: false }`
[INFO] [stdout] 374368e7d04b825df2d64927de8a9a5e8cf735462b7098b7efe45c6ff7a2f90b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3fdfd2cd6811c3c3278320905ce6508676e00ed55cad46cb1d357ef8d5b53b21
[INFO] running `Command { std: "docker" "start" "-a" "3fdfd2cd6811c3c3278320905ce6508676e00ed55cad46cb1d357ef8d5b53b21", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyp v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "3fdfd2cd6811c3c3278320905ce6508676e00ed55cad46cb1d357ef8d5b53b21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdfd2cd6811c3c3278320905ce6508676e00ed55cad46cb1d357ef8d5b53b21", kill_on_drop: false }`
[INFO] [stdout] 3fdfd2cd6811c3c3278320905ce6508676e00ed55cad46cb1d357ef8d5b53b21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 3f50273d5b01422098b734ade93749df73bf42de5eb7a7b38b9f4bee467f6328
[INFO] running `Command { std: "docker" "start" "-a" "3f50273d5b01422098b734ade93749df73bf42de5eb7a7b38b9f4bee467f6328", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyp-4bd7366739924bdd)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polyp
[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" "3f50273d5b01422098b734ade93749df73bf42de5eb7a7b38b9f4bee467f6328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f50273d5b01422098b734ade93749df73bf42de5eb7a7b38b9f4bee467f6328", kill_on_drop: false }`
[INFO] [stdout] 3f50273d5b01422098b734ade93749df73bf42de5eb7a7b38b9f4bee467f6328