[INFO] cloning repository https://github.com/AviDhingra/snake-neuroevolution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AviDhingra/snake-neuroevolution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviDhingra%2Fsnake-neuroevolution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviDhingra%2Fsnake-neuroevolution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d95e6de8f3b7f18b3b47e591f55ef84352c86b0
[INFO] checking AviDhingra/snake-neuroevolution against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviDhingra%2Fsnake-neuroevolution" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AviDhingra/snake-neuroevolution
[INFO] finished tweaking git repo https://github.com/AviDhingra/snake-neuroevolution
[INFO] tweaked toml for git repo https://github.com/AviDhingra/snake-neuroevolution written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AviDhingra/snake-neuroevolution on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AviDhingra/snake-neuroevolution already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stderr]     Checking snake-neuroevolution v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/evolution.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `final_best`
[INFO] [stdout]    --> src/evolution.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |         let final_best = population.iter().map(|a| a.fitness).max().unwrap_or(0);
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_final_best`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/network.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn relu(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_placeholder_weights` is never used
[INFO] [stdout]   --> src/network.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl Network {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn with_placeholder_weights(sizes: Vec<usize>) -> Network {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `relu` is never used
[INFO] [stdout]   --> src/network.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn relu(x: f32) -> f32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `play`
[INFO] [stdout]  --> src/main.rs:3:67
[INFO] [stdout]   |
[INFO] [stdout] 3 | use snake_neuroevolution::evolution::{evaluate_population, Agent, play, next_generation, choose_move};
[INFO] [stdout]   |                                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Activation`
[INFO] [stdout]  --> src/main.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snake_neuroevolution::network::{weight_count, Network, Activation, ReLU};
[INFO] [stdout]   |                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/main.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use snake_neuroevolution::game::{Game, Direction, senses, turn_left, turn_right};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `play`
[INFO] [stdout]  --> src/main.rs:3:67
[INFO] [stdout]   |
[INFO] [stdout] 3 | use snake_neuroevolution::evolution::{evaluate_population, Agent, play, next_generation, choose_move};
[INFO] [stdout]   |                                                                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Activation`
[INFO] [stdout]  --> src/main.rs:4:60
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snake_neuroevolution::network::{weight_count, Network, Activation, ReLU};
[INFO] [stdout]   |                                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/main.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use snake_neuroevolution::game::{Game, Direction, senses, turn_left, turn_right};
[INFO] [stdout]   |                                        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evolution_save_best_brain` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn evolution_save_best_brain() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evolution_save_best_brain` is never used
[INFO] [stdout]    --> src/main.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn evolution_save_best_brain() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.15s
[INFO] running `Command { std: "docker" "inspect" "febbf3e4e401e6717c1352dafc3bc03270c98ed807218743f40da60aef306f03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febbf3e4e401e6717c1352dafc3bc03270c98ed807218743f40da60aef306f03", kill_on_drop: false }`
[INFO] [stdout] febbf3e4e401e6717c1352dafc3bc03270c98ed807218743f40da60aef306f03
