[INFO] cloning repository https://github.com/jonny7/rust-fahrenheit-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonny7/rust-fahrenheit-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-fahrenheit-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-fahrenheit-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e23c73101b37980d32ea75c53124f2508bab2bd0
[INFO] testing jonny7/rust-fahrenheit-calculator against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonny7%2Frust-fahrenheit-calculator" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jonny7/rust-fahrenheit-calculator 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/jonny7/rust-fahrenheit-calculator
[INFO] finished tweaking git repo https://github.com/jonny7/rust-fahrenheit-calculator
[INFO] tweaked toml for git repo https://github.com/jonny7/rust-fahrenheit-calculator written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/jonny7/rust-fahrenheit-calculator 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 9c5fb39e9ff16b205446904cb56b8c83afac06117a6ba5be8136cae141d31c10
[INFO] running `Command { std: "docker" "start" "-a" "9c5fb39e9ff16b205446904cb56b8c83afac06117a6ba5be8136cae141d31c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c5fb39e9ff16b205446904cb56b8c83afac06117a6ba5be8136cae141d31c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c5fb39e9ff16b205446904cb56b8c83afac06117a6ba5be8136cae141d31c10", kill_on_drop: false }`
[INFO] [stdout] 9c5fb39e9ff16b205446904cb56b8c83afac06117a6ba5be8136cae141d31c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 7ee86eca769fb5a960b944165320c028ab52feba63bc2702ad02037b62a7619d
[INFO] running `Command { std: "docker" "start" "-a" "7ee86eca769fb5a960b944165320c028ab52feba63bc2702ad02037b62a7619d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fahrenheit-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.20s
[INFO] running `Command { std: "docker" "inspect" "7ee86eca769fb5a960b944165320c028ab52feba63bc2702ad02037b62a7619d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee86eca769fb5a960b944165320c028ab52feba63bc2702ad02037b62a7619d", kill_on_drop: false }`
[INFO] [stdout] 7ee86eca769fb5a960b944165320c028ab52feba63bc2702ad02037b62a7619d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] e9b004f561d8eb06d6c202f2935a0f91dbf5f5f364a6855e43c32119086c8a47
[INFO] running `Command { std: "docker" "start" "-a" "e9b004f561d8eb06d6c202f2935a0f91dbf5f5f364a6855e43c32119086c8a47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fahrenheit-calculator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "e9b004f561d8eb06d6c202f2935a0f91dbf5f5f364a6855e43c32119086c8a47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b004f561d8eb06d6c202f2935a0f91dbf5f5f364a6855e43c32119086c8a47", kill_on_drop: false }`
[INFO] [stdout] e9b004f561d8eb06d6c202f2935a0f91dbf5f5f364a6855e43c32119086c8a47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] f704167cdebc396b7e2f41033a2b9ce1f3d5d04535ebc94bbaa48e288ad4a36e
[INFO] running `Command { std: "docker" "start" "-a" "f704167cdebc396b7e2f41033a2b9ce1f3d5d04535ebc94bbaa48e288ad4a36e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fahrenheit_calculator-e0295cdec1d16570)
[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" "f704167cdebc396b7e2f41033a2b9ce1f3d5d04535ebc94bbaa48e288ad4a36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f704167cdebc396b7e2f41033a2b9ce1f3d5d04535ebc94bbaa48e288ad4a36e", kill_on_drop: false }`
[INFO] [stdout] f704167cdebc396b7e2f41033a2b9ce1f3d5d04535ebc94bbaa48e288ad4a36e