[INFO] cloning repository https://github.com/flugsio/optimal_ventti
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flugsio/optimal_ventti" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbb69aa5763cbc6b7274e08881c5fc122bb415f9
[INFO] testing flugsio/optimal_ventti against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flugsio/optimal_ventti 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 git repo https://github.com/flugsio/optimal_ventti
[INFO] finished tweaking git repo https://github.com/flugsio/optimal_ventti
[INFO] tweaked toml for git repo https://github.com/flugsio/optimal_ventti written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/flugsio/optimal_ventti already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 96225a38d7ca97add4be0b22929a4008736a2c15d1a1455b0fa1cd85b1a316ec
[INFO] running `Command { std: "docker" "start" "-a" "96225a38d7ca97add4be0b22929a4008736a2c15d1a1455b0fa1cd85b1a316ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96225a38d7ca97add4be0b22929a4008736a2c15d1a1455b0fa1cd85b1a316ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96225a38d7ca97add4be0b22929a4008736a2c15d1a1455b0fa1cd85b1a316ec", kill_on_drop: false }`
[INFO] [stdout] 96225a38d7ca97add4be0b22929a4008736a2c15d1a1455b0fa1cd85b1a316ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 741c309f688e33c2469007973599e48e79b22bfccc2533545734c1c155c7f641
[INFO] running `Command { std: "docker" "start" "-a" "741c309f688e33c2469007973599e48e79b22bfccc2533545734c1c155c7f641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling optimal_ventti v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "741c309f688e33c2469007973599e48e79b22bfccc2533545734c1c155c7f641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741c309f688e33c2469007973599e48e79b22bfccc2533545734c1c155c7f641", kill_on_drop: false }`
[INFO] [stdout] 741c309f688e33c2469007973599e48e79b22bfccc2533545734c1c155c7f641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] e1684a398909cccdc0a18b88d1c7b6938f0acd4b209dcc0897de3b855035a73b
[INFO] running `Command { std: "docker" "start" "-a" "e1684a398909cccdc0a18b88d1c7b6938f0acd4b209dcc0897de3b855035a73b", kill_on_drop: false }`
[INFO] [stderr]    Compiling optimal_ventti v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "e1684a398909cccdc0a18b88d1c7b6938f0acd4b209dcc0897de3b855035a73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1684a398909cccdc0a18b88d1c7b6938f0acd4b209dcc0897de3b855035a73b", kill_on_drop: false }`
[INFO] [stdout] e1684a398909cccdc0a18b88d1c7b6938f0acd4b209dcc0897de3b855035a73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] c3eaa956eee67605bb50e067c3db8ff3fe9b0de5fcb787473f88a86e65780317
[INFO] running `Command { std: "docker" "start" "-a" "c3eaa956eee67605bb50e067c3db8ff3fe9b0de5fcb787473f88a86e65780317", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/optimal_ventti-f179dc9e857edebb)
[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" "c3eaa956eee67605bb50e067c3db8ff3fe9b0de5fcb787473f88a86e65780317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3eaa956eee67605bb50e067c3db8ff3fe9b0de5fcb787473f88a86e65780317", kill_on_drop: false }`
[INFO] [stdout] c3eaa956eee67605bb50e067c3db8ff3fe9b0de5fcb787473f88a86e65780317