[INFO] cloning repository https://github.com/rogermadjos/tsp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogermadjos/tsp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogermadjos%2Ftsp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogermadjos%2Ftsp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 626545b8855fdbb7bc591a237a7515178115549a
[INFO] checking rogermadjos/tsp against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogermadjos%2Ftsp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogermadjos/tsp on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6/source/Cargo.toml
[INFO] crate git repo https://github.com/rogermadjos/tsp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad54b96796ff78b5e71a72e43e986be11005c5819bb222e29e8e1ad342308ce2
[INFO] running `Command { std: "docker" "start" "-a" "ad54b96796ff78b5e71a72e43e986be11005c5819bb222e29e8e1ad342308ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad54b96796ff78b5e71a72e43e986be11005c5819bb222e29e8e1ad342308ce2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad54b96796ff78b5e71a72e43e986be11005c5819bb222e29e8e1ad342308ce2", kill_on_drop: false }`
[INFO] [stdout] ad54b96796ff78b5e71a72e43e986be11005c5819bb222e29e8e1ad342308ce2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9215748a5d072bbfe204c90fbe781f0a8e857f40eb2ef9327f49f03ac286388
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c9215748a5d072bbfe204c90fbe781f0a8e857f40eb2ef9327f49f03ac286388", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]     Checking tsp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]   --> src/tsp.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn distance(&self, city: &City) -> f64 { ((self.x - city.x).powf(2.) + (self.y - city.y).powf(2.)).sqrt() }
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cities`
[INFO] [stdout]   --> src/tsp.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn cities(num_cities: u16, world_size: f64) -> Vec<City> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `total_distance`
[INFO] [stdout]   --> src/tsp.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn total_distance(cities: &Vec<City>, sequence: &Vec<usize>) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `invert`
[INFO] [stdout]   --> src/ga.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn invert(perm: &Vec<usize>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `distance`
[INFO] [stdout]   --> src/tsp.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn distance(&self, city: &City) -> f64 { ((self.x - city.x).powf(2.) + (self.y - city.y).powf(2.)).sqrt() }
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cities`
[INFO] [stdout]   --> src/tsp.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn cities(num_cities: u16, world_size: f64) -> Vec<City> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `total_distance`
[INFO] [stdout]   --> src/tsp.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn total_distance(cities: &Vec<City>, sequence: &Vec<usize>) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.67s
[INFO] running `Command { std: "docker" "inspect" "c9215748a5d072bbfe204c90fbe781f0a8e857f40eb2ef9327f49f03ac286388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9215748a5d072bbfe204c90fbe781f0a8e857f40eb2ef9327f49f03ac286388", kill_on_drop: false }`
[INFO] [stdout] c9215748a5d072bbfe204c90fbe781f0a8e857f40eb2ef9327f49f03ac286388