[INFO] cloning repository https://github.com/Gruximillian/rust-temperature-converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gruximillian/rust-temperature-converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-temperature-converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-temperature-converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33eca96d68af38c0c9f1e304db7e9e1d33dd4254
[INFO] testing Gruximillian/rust-temperature-converter against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGruximillian%2Frust-temperature-converter" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gruximillian/rust-temperature-converter on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gruximillian/rust-temperature-converter
[INFO] finished tweaking git repo https://github.com/Gruximillian/rust-temperature-converter
[INFO] tweaked toml for git repo https://github.com/Gruximillian/rust-temperature-converter written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/Gruximillian/rust-temperature-converter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4148eb21a2b5b6a92036655af2a9eb916ebe2e387c95856115a71aaa85804422
[INFO] running `Command { std: "docker" "start" "-a" "4148eb21a2b5b6a92036655af2a9eb916ebe2e387c95856115a71aaa85804422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4148eb21a2b5b6a92036655af2a9eb916ebe2e387c95856115a71aaa85804422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4148eb21a2b5b6a92036655af2a9eb916ebe2e387c95856115a71aaa85804422", kill_on_drop: false }`
[INFO] [stdout] 4148eb21a2b5b6a92036655af2a9eb916ebe2e387c95856115a71aaa85804422
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd492571e27dc79c6ec60ad5a25cf1277fb0940f18db969a2b88eb515f628041
[INFO] running `Command { std: "docker" "start" "-a" "fd492571e27dc79c6ec60ad5a25cf1277fb0940f18db969a2b88eb515f628041", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapter_3_assignments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "fd492571e27dc79c6ec60ad5a25cf1277fb0940f18db969a2b88eb515f628041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd492571e27dc79c6ec60ad5a25cf1277fb0940f18db969a2b88eb515f628041", kill_on_drop: false }`
[INFO] [stdout] fd492571e27dc79c6ec60ad5a25cf1277fb0940f18db969a2b88eb515f628041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e2f19fad1257d70850b0b4b832ae922266f2e6aeed319cb7b35c6eb1a6834df
[INFO] running `Command { std: "docker" "start" "-a" "0e2f19fad1257d70850b0b4b832ae922266f2e6aeed319cb7b35c6eb1a6834df", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter_3_assignments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "0e2f19fad1257d70850b0b4b832ae922266f2e6aeed319cb7b35c6eb1a6834df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e2f19fad1257d70850b0b4b832ae922266f2e6aeed319cb7b35c6eb1a6834df", kill_on_drop: false }`
[INFO] [stdout] 0e2f19fad1257d70850b0b4b832ae922266f2e6aeed319cb7b35c6eb1a6834df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 01870be10c247ef552adc0260ddbbf1745da70c41a1b91d8144b6bcc8afce9e2
[INFO] running `Command { std: "docker" "start" "-a" "01870be10c247ef552adc0260ddbbf1745da70c41a1b91d8144b6bcc8afce9e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chapter_3_assignments-3d6430056af8776f)
[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" "01870be10c247ef552adc0260ddbbf1745da70c41a1b91d8144b6bcc8afce9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01870be10c247ef552adc0260ddbbf1745da70c41a1b91d8144b6bcc8afce9e2", kill_on_drop: false }`
[INFO] [stdout] 01870be10c247ef552adc0260ddbbf1745da70c41a1b91d8144b6bcc8afce9e2