[INFO] cloning repository https://github.com/jakob-schuster/genetic-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakob-schuster/genetic-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-schuster%2Fgenetic-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-schuster%2Fgenetic-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a2c31428e467538bc67451b4a409f291200346e
[INFO] checking jakob-schuster/genetic-algorithms against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakob-schuster%2Fgenetic-algorithms" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakob-schuster/genetic-algorithms on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jakob-schuster/genetic-algorithms
[INFO] finished tweaking git repo https://github.com/jakob-schuster/genetic-algorithms
[INFO] tweaked toml for git repo https://github.com/jakob-schuster/genetic-algorithms written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jakob-schuster/genetic-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab58880f974e813318aa5ec966fd368a7bf763407ec04c867438c588ca1d91c4
[INFO] running `Command { std: "docker" "start" "-a" "ab58880f974e813318aa5ec966fd368a7bf763407ec04c867438c588ca1d91c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab58880f974e813318aa5ec966fd368a7bf763407ec04c867438c588ca1d91c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab58880f974e813318aa5ec966fd368a7bf763407ec04c867438c588ca1d91c4", kill_on_drop: false }`
[INFO] [stdout] ab58880f974e813318aa5ec966fd368a7bf763407ec04c867438c588ca1d91c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d7fa960fcfa658b9f7c76eb509b6a3af360ca5f8e532fa67a5f8ea2ad3e662c
[INFO] running `Command { std: "docker" "start" "-a" "1d7fa960fcfa658b9f7c76eb509b6a3af360ca5f8e532fa67a5f8ea2ad3e662c", kill_on_drop: false }`
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[INFO] [stderr]     Checking genetic-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `normalise_fitnesses` is never used
[INFO] [stdout]   --> src/genetic.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn normalise_fitnesses(population: &[(Element, f32)]) -> Vec<(Element, f32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `normalise_fitnesses` is never used
[INFO] [stdout]   --> src/genetic.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn normalise_fitnesses(population: &[(Element, f32)]) -> Vec<(Element, f32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "1d7fa960fcfa658b9f7c76eb509b6a3af360ca5f8e532fa67a5f8ea2ad3e662c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d7fa960fcfa658b9f7c76eb509b6a3af360ca5f8e532fa67a5f8ea2ad3e662c", kill_on_drop: false }`
[INFO] [stdout] 1d7fa960fcfa658b9f7c76eb509b6a3af360ca5f8e532fa67a5f8ea2ad3e662c