[INFO] updating cached repository https://github.com/naomijub/genetic-labyrinth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8d97b4352db61d27c789ba33369198d5ef9be20b
[INFO] checking naomijub/genetic-labyrinth against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaomijub%2Fgenetic-labyrinth" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naomijub/genetic-labyrinth on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/naomijub/genetic-labyrinth
[INFO] finished tweaking git repo https://github.com/naomijub/genetic-labyrinth
[INFO] tweaked toml for git repo https://github.com/naomijub/genetic-labyrinth written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/naomijub/genetic-labyrinth already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cd041e700e9243f40361eb2cbe7c38d38eb500661fba769bde8d479c951f8a04
[INFO] running `"docker" "start" "-a" "cd041e700e9243f40361eb2cbe7c38d38eb500661fba769bde8d479c951f8a04"`
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking genlab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `mutate_gene`
[INFO] [stderr]   --> src/genes/mod.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn mutate_gene(self, mutation_rate: f32) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_rna`
[INFO] [stderr]   --> src/genes/mod.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 38 |   pub fn mutate_rna(self, mutation_rate: f32) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/population/mod.rs:13:3
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(mutation_rate: f32, entrance: Point, lab: Vec<Vec<String>>) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `mutate_pop`
[INFO] [stderr]   --> src/population/mod.rs:24:3
[INFO] [stderr]    |
[INFO] [stderr] 24 |   pub fn mutate_pop(self) -> Self {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `"docker" "inspect" "cd041e700e9243f40361eb2cbe7c38d38eb500661fba769bde8d479c951f8a04"`
[INFO] running `"docker" "rm" "-f" "cd041e700e9243f40361eb2cbe7c38d38eb500661fba769bde8d479c951f8a04"`
[INFO] [stdout] cd041e700e9243f40361eb2cbe7c38d38eb500661fba769bde8d479c951f8a04