[INFO] cloning repository https://github.com/sebdeveloper6952/rust-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/sebdeveloper6952/rust-genetic-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-genetic-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-genetic-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33a4b7c7715e7efdd76dd1e84a99248b5b9cc2ac
[INFO] checking sebdeveloper6952/rust-genetic-algorithms against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebdeveloper6952%2Frust-genetic-algorithms" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebdeveloper6952/rust-genetic-algorithms on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sebdeveloper6952/rust-genetic-algorithms
[INFO] finished tweaking git repo https://github.com/sebdeveloper6952/rust-genetic-algorithms
[INFO] tweaked toml for git repo https://github.com/sebdeveloper6952/rust-genetic-algorithms written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sebdeveloper6952/rust-genetic-algorithms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] 3fa4a21fc9094b72568ae6f3027b38d052ca5721467be2494d3acf36f4a56efd
[INFO] running `Command { std: "docker" "start" "-a" "3fa4a21fc9094b72568ae6f3027b38d052ca5721467be2494d3acf36f4a56efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa4a21fc9094b72568ae6f3027b38d052ca5721467be2494d3acf36f4a56efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa4a21fc9094b72568ae6f3027b38d052ca5721467be2494d3acf36f4a56efd", kill_on_drop: false }`
[INFO] [stdout] 3fa4a21fc9094b72568ae6f3027b38d052ca5721467be2494d3acf36f4a56efd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dccd0015173d3b2b13f4bbc7dc8567f98065f8f1587de3b9e4a3550d0801f184
[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" "dccd0015173d3b2b13f4bbc7dc8567f98065f8f1587de3b9e4a3550d0801f184", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking genetic-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tsp.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Individual {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chromosome`
[INFO] [stdout]   --> src/tsp.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new_with_chromosome(chr: Vec<u32>) -> Individual {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fitness`
[INFO] [stdout]   --> src/tsp.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fitness(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `crossover`
[INFO] [stdout]   --> src/tsp.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn crossover(&self, other: &Individual) -> Individual {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d_2.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d_3.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tsp.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Individual {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chromosome`
[INFO] [stdout]   --> src/tsp.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn new_with_chromosome(chr: Vec<u32>) -> Individual {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fitness`
[INFO] [stdout]   --> src/tsp.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn fitness(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `crossover`
[INFO] [stdout]   --> src/tsp.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn crossover(&self, other: &Individual) -> Individual {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d_2.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_chr`
[INFO] [stdout]   --> src/functions_2d_3.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new_with_chr(x: f64, y: f64) -> Individual2D {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "dccd0015173d3b2b13f4bbc7dc8567f98065f8f1587de3b9e4a3550d0801f184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dccd0015173d3b2b13f4bbc7dc8567f98065f8f1587de3b9e4a3550d0801f184", kill_on_drop: false }`
[INFO] [stdout] dccd0015173d3b2b13f4bbc7dc8567f98065f8f1587de3b9e4a3550d0801f184