[INFO] cloning repository https://github.com/Michael2109/genetic-algorithms
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michael2109/genetic-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael2109%2Fgenetic-algorithms"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael2109%2Fgenetic-algorithms'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99c630bdd95c98763a6f86098151f806291e08ba
[INFO] checking Michael2109/genetic-algorithms against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichael2109%2Fgenetic-algorithms" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michael2109/genetic-algorithms on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Michael2109/genetic-algorithms
[INFO] finished tweaking git repo https://github.com/Michael2109/genetic-algorithms
[INFO] tweaked toml for git repo https://github.com/Michael2109/genetic-algorithms written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Michael2109/genetic-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] d2eb966d8360f92bcd09cf162b8192db8e6ec383c884e3333d59a6f6e32c356f
[INFO] running `"docker" "start" "-a" "d2eb966d8360f92bcd09cf162b8192db8e6ec383c884e3333d59a6f6e32c356f"`
[INFO] [stderr]    Compiling serde v1.0.71
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking genetic-algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/entity.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn collision_detection(&self, simulation: &Simulation) {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulation.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for mut f in &self.fish {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/entity.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn collision_detection(&self, simulation: &Simulation) {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulation.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for mut f in &self.fish {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "d2eb966d8360f92bcd09cf162b8192db8e6ec383c884e3333d59a6f6e32c356f"`
[INFO] running `"docker" "rm" "-f" "d2eb966d8360f92bcd09cf162b8192db8e6ec383c884e3333d59a6f6e32c356f"`
[INFO] [stdout] d2eb966d8360f92bcd09cf162b8192db8e6ec383c884e3333d59a6f6e32c356f