[INFO] cloning repository https://github.com/ingalless/rust-book-workthrough
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ingalless/rust-book-workthrough" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingalless%2Frust-book-workthrough", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingalless%2Frust-book-workthrough'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b502fc6ee2559718ae1c869bd1f86d71b3250cc4
[INFO] testing ingalless/rust-book-workthrough against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fingalless%2Frust-book-workthrough" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ingalless/rust-book-workthrough 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/ingalless/rust-book-workthrough
[INFO] finished tweaking git repo https://github.com/ingalless/rust-book-workthrough
[INFO] tweaked toml for git repo https://github.com/ingalless/rust-book-workthrough written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/ingalless/rust-book-workthrough 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-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] b02c04ab08e267f0f518a18c9748a0cf49626558e22161d4a81e641034e636bc
[INFO] running `Command { std: "docker" "start" "-a" "b02c04ab08e267f0f518a18c9748a0cf49626558e22161d4a81e641034e636bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b02c04ab08e267f0f518a18c9748a0cf49626558e22161d4a81e641034e636bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02c04ab08e267f0f518a18c9748a0cf49626558e22161d4a81e641034e636bc", kill_on_drop: false }`
[INFO] [stdout] b02c04ab08e267f0f518a18c9748a0cf49626558e22161d4a81e641034e636bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 6109e25bce7a6717c94788c9926842ae2780d1de4729db303677478a82a59187
[INFO] running `Command { std: "docker" "start" "-a" "6109e25bce7a6717c94788c9926842ae2780d1de4729db303677478a82a59187", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapter-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.97s
[INFO] running `Command { std: "docker" "inspect" "6109e25bce7a6717c94788c9926842ae2780d1de4729db303677478a82a59187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6109e25bce7a6717c94788c9926842ae2780d1de4729db303677478a82a59187", kill_on_drop: false }`
[INFO] [stdout] 6109e25bce7a6717c94788c9926842ae2780d1de4729db303677478a82a59187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] e8dc417f25b2b4ef43cab0bd83fd389270454ba18274287b2bf1b776b9d7f539
[INFO] running `Command { std: "docker" "start" "-a" "e8dc417f25b2b4ef43cab0bd83fd389270454ba18274287b2bf1b776b9d7f539", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter-3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "e8dc417f25b2b4ef43cab0bd83fd389270454ba18274287b2bf1b776b9d7f539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dc417f25b2b4ef43cab0bd83fd389270454ba18274287b2bf1b776b9d7f539", kill_on_drop: false }`
[INFO] [stdout] e8dc417f25b2b4ef43cab0bd83fd389270454ba18274287b2bf1b776b9d7f539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] a5d43356acf6a74ac2c4b09ae2f490e863c519c334bfd2f2148992cedbe3c087
[INFO] running `Command { std: "docker" "start" "-a" "a5d43356acf6a74ac2c4b09ae2f490e863c519c334bfd2f2148992cedbe3c087", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapter_3-a33bfd2c8f32ccd2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test converts_to_celsius ... ok
[INFO] [stdout] test converts_to_farrenheit ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5d43356acf6a74ac2c4b09ae2f490e863c519c334bfd2f2148992cedbe3c087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d43356acf6a74ac2c4b09ae2f490e863c519c334bfd2f2148992cedbe3c087", kill_on_drop: false }`
[INFO] [stdout] a5d43356acf6a74ac2c4b09ae2f490e863c519c334bfd2f2148992cedbe3c087