[INFO] fetching crate zenith-opt 0.0.1...
[INFO] checking zenith-opt-0.0.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate zenith-opt 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate zenith-opt 0.0.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zenith-opt 0.0.1
[INFO] finished tweaking crates.io crate zenith-opt 0.0.1
[INFO] tweaked toml for crates.io crate zenith-opt 0.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2688b5450c585cad76cb8a1df393666e081ea6394566d940eb75a5d68833e511
[INFO] running `Command { std: "docker" "start" "-a" "2688b5450c585cad76cb8a1df393666e081ea6394566d940eb75a5d68833e511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2688b5450c585cad76cb8a1df393666e081ea6394566d940eb75a5d68833e511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2688b5450c585cad76cb8a1df393666e081ea6394566d940eb75a5d68833e511", kill_on_drop: false }`
[INFO] [stdout] 2688b5450c585cad76cb8a1df393666e081ea6394566d940eb75a5d68833e511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7453fcdb3b8c9a6d3d0708e0636f85160c34a63c62218ef5ed21365e1b08fda8
[INFO] running `Command { std: "docker" "start" "-a" "7453fcdb3b8c9a6d3d0708e0636f85160c34a63c62218ef5ed21365e1b08fda8", kill_on_drop: false }`
[INFO] [stderr]     Checking zenith-opt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `hill_climbing_search`
[INFO] [stdout]   --> src/individual.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hill_climbing_search<T: LocalOptimizationProblem<Score = impl Ord>>(
[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 0.41s
[INFO] running `Command { std: "docker" "inspect" "7453fcdb3b8c9a6d3d0708e0636f85160c34a63c62218ef5ed21365e1b08fda8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7453fcdb3b8c9a6d3d0708e0636f85160c34a63c62218ef5ed21365e1b08fda8", kill_on_drop: false }`
[INFO] [stdout] 7453fcdb3b8c9a6d3d0708e0636f85160c34a63c62218ef5ed21365e1b08fda8