[INFO] cloning repository https://github.com/hsmtkk/bookish-invention
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/bookish-invention" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fbookish-invention", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fbookish-invention'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c4ee19f22704c10e2f4535d43ce3b0d390d63bb
[INFO] testing hsmtkk/bookish-invention 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%2Fhsmtkk%2Fbookish-invention" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hsmtkk/bookish-invention 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/hsmtkk/bookish-invention
[INFO] finished tweaking git repo https://github.com/hsmtkk/bookish-invention
[INFO] tweaked toml for git repo https://github.com/hsmtkk/bookish-invention written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/hsmtkk/bookish-invention 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] c1be589d2075ff87ed92d493e132fa6e51db92bc7636f53f451d0b27d9da6c21
[INFO] running `Command { std: "docker" "start" "-a" "c1be589d2075ff87ed92d493e132fa6e51db92bc7636f53f451d0b27d9da6c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1be589d2075ff87ed92d493e132fa6e51db92bc7636f53f451d0b27d9da6c21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1be589d2075ff87ed92d493e132fa6e51db92bc7636f53f451d0b27d9da6c21", kill_on_drop: false }`
[INFO] [stdout] c1be589d2075ff87ed92d493e132fa6e51db92bc7636f53f451d0b27d9da6c21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 6e577142c0aef4972c8e250d83a05b9cb8b9289fd9ca7b79a2d2f46a2fc1f874
[INFO] running `Command { std: "docker" "start" "-a" "6e577142c0aef4972c8e250d83a05b9cb8b9289fd9ca7b79a2d2f46a2fc1f874", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookish-invention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `collatz_steps`
[INFO] [stdout]  --> src/collatz.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn collatz_steps(n: i64) -> i64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "6e577142c0aef4972c8e250d83a05b9cb8b9289fd9ca7b79a2d2f46a2fc1f874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e577142c0aef4972c8e250d83a05b9cb8b9289fd9ca7b79a2d2f46a2fc1f874", kill_on_drop: false }`
[INFO] [stdout] 6e577142c0aef4972c8e250d83a05b9cb8b9289fd9ca7b79a2d2f46a2fc1f874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 16bf8cc7e11b380690ad751088cce15f78b5a6e44f15448c354047f9210347e6
[INFO] running `Command { std: "docker" "start" "-a" "16bf8cc7e11b380690ad751088cce15f78b5a6e44f15448c354047f9210347e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bookish-invention v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "16bf8cc7e11b380690ad751088cce15f78b5a6e44f15448c354047f9210347e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16bf8cc7e11b380690ad751088cce15f78b5a6e44f15448c354047f9210347e6", kill_on_drop: false }`
[INFO] [stdout] 16bf8cc7e11b380690ad751088cce15f78b5a6e44f15448c354047f9210347e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] f0f65b7e3c29bce196eadb3790bd2ea0ef9a319aab97250ea113d72aea703bd1
[INFO] running `Command { std: "docker" "start" "-a" "f0f65b7e3c29bce196eadb3790bd2ea0ef9a319aab97250ea113d72aea703bd1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bookish_invention-2f4812c1c966d315)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test collatz::test_collatz_numbers ... ok
[INFO] [stdout] test collatz::test_collatz_steps ... 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" "f0f65b7e3c29bce196eadb3790bd2ea0ef9a319aab97250ea113d72aea703bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f65b7e3c29bce196eadb3790bd2ea0ef9a319aab97250ea113d72aea703bd1", kill_on_drop: false }`
[INFO] [stdout] f0f65b7e3c29bce196eadb3790bd2ea0ef9a319aab97250ea113d72aea703bd1