[INFO] updating cached repository https://github.com/kaaboaye/genetic_algorithm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 2cc2eddf3c77af1f26b0b0e031c4c6c0e8757ec9
[INFO] checking kaaboaye/genetic_algorithm against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaaboaye%2Fgenetic_algorithm" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kaaboaye/genetic_algorithm on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kaaboaye/genetic_algorithm
[INFO] finished tweaking git repo https://github.com/kaaboaye/genetic_algorithm
[INFO] tweaked toml for git repo https://github.com/kaaboaye/genetic_algorithm written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kaaboaye/genetic_algorithm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df16b0ec8b025cafca3d434d639fe7fdc4915b809e86fdcfa32f60ddcc79a02b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "df16b0ec8b025cafca3d434d639fe7fdc4915b809e86fdcfa32f60ddcc79a02b"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-rational v0.2.3
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking nalgebra v0.20.0
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking nalgebra-glm v0.6.0
[INFO] [stderr]     Checking genet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `tournament`
[INFO] [stderr]   --> src/population.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn tournament(&self, scores: &DVector<Number>, tournament_size: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_vec`
[INFO] [stderr]   --> src/population.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn random_vec(desired_positives: usize, size: usize) -> DVector<Number> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tournament`
[INFO] [stderr]   --> src/population.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn tournament(&self, scores: &DVector<Number>, tournament_size: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `random_vec`
[INFO] [stderr]   --> src/population.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn random_vec(desired_positives: usize, size: usize) -> DVector<Number> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.28s
[INFO] running `"docker" "inspect" "df16b0ec8b025cafca3d434d639fe7fdc4915b809e86fdcfa32f60ddcc79a02b"`
[INFO] running `"docker" "rm" "-f" "df16b0ec8b025cafca3d434d639fe7fdc4915b809e86fdcfa32f60ddcc79a02b"`
[INFO] [stdout] df16b0ec8b025cafca3d434d639fe7fdc4915b809e86fdcfa32f60ddcc79a02b