[INFO] fetching crate rubber 0.0.1...
[INFO] testing rubber-0.0.1 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate rubber 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rubber 0.0.1 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rubber 0.0.1
[INFO] finished tweaking crates.io crate rubber 0.0.1
[INFO] tweaked toml for crates.io crate rubber 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99bf3a4aec21202c16178b48895bee2616ec6a4c57ed18a02e170f237b5784d5
[INFO] running `Command { std: "docker" "start" "-a" "99bf3a4aec21202c16178b48895bee2616ec6a4c57ed18a02e170f237b5784d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99bf3a4aec21202c16178b48895bee2616ec6a4c57ed18a02e170f237b5784d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99bf3a4aec21202c16178b48895bee2616ec6a4c57ed18a02e170f237b5784d5", kill_on_drop: false }`
[INFO] [stdout] 99bf3a4aec21202c16178b48895bee2616ec6a4c57ed18a02e170f237b5784d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a156b892d2dfeb770656e17ba48396ac0b8e516a6bed0ed4bd8c21a6cd8ec30
[INFO] running `Command { std: "docker" "start" "-a" "7a156b892d2dfeb770656e17ba48396ac0b8e516a6bed0ed4bd8c21a6cd8ec30", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubber v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "7a156b892d2dfeb770656e17ba48396ac0b8e516a6bed0ed4bd8c21a6cd8ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a156b892d2dfeb770656e17ba48396ac0b8e516a6bed0ed4bd8c21a6cd8ec30", kill_on_drop: false }`
[INFO] [stdout] 7a156b892d2dfeb770656e17ba48396ac0b8e516a6bed0ed4bd8c21a6cd8ec30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6790bfe2782f0225d96988385ee82a2b8b3ddd894e42cabc3a8b46fd24fa981b
[INFO] running `Command { std: "docker" "start" "-a" "6790bfe2782f0225d96988385ee82a2b8b3ddd894e42cabc3a8b46fd24fa981b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rubber v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "6790bfe2782f0225d96988385ee82a2b8b3ddd894e42cabc3a8b46fd24fa981b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6790bfe2782f0225d96988385ee82a2b8b3ddd894e42cabc3a8b46fd24fa981b", kill_on_drop: false }`
[INFO] [stdout] 6790bfe2782f0225d96988385ee82a2b8b3ddd894e42cabc3a8b46fd24fa981b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d15d80c4bdc02137aedaf979a9897750bd2621405dd17d8b94501cc789d583d
[INFO] running `Command { std: "docker" "start" "-a" "1d15d80c4bdc02137aedaf979a9897750bd2621405dd17d8b94501cc789d583d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rubber-9b6b9834703c1b88)
[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" "1d15d80c4bdc02137aedaf979a9897750bd2621405dd17d8b94501cc789d583d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d15d80c4bdc02137aedaf979a9897750bd2621405dd17d8b94501cc789d583d", kill_on_drop: false }`
[INFO] [stdout] 1d15d80c4bdc02137aedaf979a9897750bd2621405dd17d8b94501cc789d583d