[INFO] fetching crate zenith-opt 0.0.1...
[INFO] checking zenith-opt-0.0.1 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate zenith-opt 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate zenith-opt 0.0.1 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 897deaae8e50943cfa4f568be775abcd8e782113e562e7d5d743c3dddc80c8bc
[INFO] running `Command { std: "docker" "start" "-a" "897deaae8e50943cfa4f568be775abcd8e782113e562e7d5d743c3dddc80c8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "897deaae8e50943cfa4f568be775abcd8e782113e562e7d5d743c3dddc80c8bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897deaae8e50943cfa4f568be775abcd8e782113e562e7d5d743c3dddc80c8bc", kill_on_drop: false }`
[INFO] [stdout] 897deaae8e50943cfa4f568be775abcd8e782113e562e7d5d743c3dddc80c8bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c92f644e948b5877d29948d5dbd023edeb406eb75f523ab1031f2c16411e5fd
[INFO] running `Command { std: "docker" "start" "-a" "0c92f644e948b5877d29948d5dbd023edeb406eb75f523ab1031f2c16411e5fd", kill_on_drop: false }`
[INFO] [stderr]     Checking zenith-opt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `LocalOptimizationProblem` is never used
[INFO] [stdout]   --> src/individual.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait LocalOptimizationProblem: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hill_climbing_search` is never used
[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] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "0c92f644e948b5877d29948d5dbd023edeb406eb75f523ab1031f2c16411e5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c92f644e948b5877d29948d5dbd023edeb406eb75f523ab1031f2c16411e5fd", kill_on_drop: false }`
[INFO] [stdout] 0c92f644e948b5877d29948d5dbd023edeb406eb75f523ab1031f2c16411e5fd