[INFO] updating cached repository https://github.com/rogermadjos/tsp
[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] 626545b8855fdbb7bc591a237a7515178115549a
[INFO] checking rogermadjos/tsp against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogermadjos%2Ftsp" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogermadjos/tsp on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rogermadjos/tsp
[INFO] finished tweaking git repo https://github.com/rogermadjos/tsp
[INFO] tweaked toml for git repo https://github.com/rogermadjos/tsp written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rogermadjos/tsp already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cb9d813071196f186cc5cb5062f388471ac7162c9f49e58827f892a02de490e7
[INFO] running `"docker" "start" "-a" "cb9d813071196f186cc5cb5062f388471ac7162c9f49e58827f892a02de490e7"`
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/tsp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn distance(&self, city: &City) -> f64 { ((self.x - city.x).powf(2.) + (self.y - city.y).powf(2.)).sqrt() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cities`
[INFO] [stderr]   --> src/tsp.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn cities(num_cities: u16, world_size: f64) -> Vec<City> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `total_distance`
[INFO] [stderr]   --> src/tsp.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn total_distance(cities: &Vec<City>, sequence: &Vec<usize>) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert`
[INFO] [stderr]   --> src/ga.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn invert(perm: &Vec<usize>) -> Vec<usize> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance`
[INFO] [stderr]   --> src/tsp.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn distance(&self, city: &City) -> f64 { ((self.x - city.x).powf(2.) + (self.y - city.y).powf(2.)).sqrt() }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cities`
[INFO] [stderr]   --> src/tsp.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn cities(num_cities: u16, world_size: f64) -> Vec<City> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `total_distance`
[INFO] [stderr]   --> src/tsp.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn total_distance(cities: &Vec<City>, sequence: &Vec<usize>) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.09s
[INFO] running `"docker" "inspect" "cb9d813071196f186cc5cb5062f388471ac7162c9f49e58827f892a02de490e7"`
[INFO] running `"docker" "rm" "-f" "cb9d813071196f186cc5cb5062f388471ac7162c9f49e58827f892a02de490e7"`
[INFO] [stdout] cb9d813071196f186cc5cb5062f388471ac7162c9f49e58827f892a02de490e7