[INFO] cloning repository https://github.com/quixotrykd/Snake-AI
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quixotrykd/Snake-AI" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FSnake-AI", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FSnake-AI'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96c2da95ce4acfecd9c6b1988c91c74d721d5a62
[INFO] checking quixotrykd/Snake-AI against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquixotrykd%2FSnake-AI" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quixotrykd/Snake-AI on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quixotrykd/Snake-AI
[INFO] finished tweaking git repo https://github.com/quixotrykd/Snake-AI
[INFO] tweaked toml for git repo https://github.com/quixotrykd/Snake-AI written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/quixotrykd/Snake-AI already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2 v0.34.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a22818809a4c36bad23836ac54458be0b5f3c580488ee89ead9e1b1b0cad55e4
[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" "a22818809a4c36bad23836ac54458be0b5f3c580488ee89ead9e1b1b0cad55e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22818809a4c36bad23836ac54458be0b5f3c580488ee89ead9e1b1b0cad55e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22818809a4c36bad23836ac54458be0b5f3c580488ee89ead9e1b1b0cad55e4", kill_on_drop: false }`
[INFO] [stdout] a22818809a4c36bad23836ac54458be0b5f3c580488ee89ead9e1b1b0cad55e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a27c6d0725c41ac92f1afc30664c32b2034779275538b465ae92b8127b70a1
[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" "29a27c6d0725c41ac92f1afc30664c32b2034779275538b465ae92b8127b70a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]     Checking neural v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/snake.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::rect::{Point,Rect};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/snake.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let food_here = (self.food_loc == curr_loc);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::network::Network`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::network::Network;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]  --> src/snake.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sdl2::rect::{Point,Rect};
[INFO] [stdout]   |                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/snake.rs:123:33
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let food_here = (self.food_loc == curr_loc);
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::network::Network`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::network::Network;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     loop {
[INFO] [stdout] 53 | |         population = population.breed();
[INFO] [stdout] 54 | |     let (best, best_score) = population.get_best();
[INFO] [stdout] 55 | |     println!("Best score of generation {}: {}", generation, best_score);
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     generation += 1;
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 68 | 
[INFO] [stdout] 69 |       return;
[INFO] [stdout]    |       ^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | /     loop {
[INFO] [stdout] 53 | |         population = population.breed();
[INFO] [stdout] 54 | |     let (best, best_score) = population.get_best();
[INFO] [stdout] 55 | |     println!("Best score of generation {}: {}", generation, best_score);
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     generation += 1;
[INFO] [stdout] 67 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 68 | 
[INFO] [stdout] 69 |       return;
[INFO] [stdout]    |       ^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut game = Game::new(GAME_WIDTH, GAME_HEIGHT, GAME_SCALE);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut i = 0;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected_value`
[INFO] [stdout]    --> src/agent.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let (selected_choice, selected_value) = network_result.iter().copied()
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/agent.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         for step in 0..Snake::SNAKE_STEPS {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/population.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .map(|&(agent_ref, val): &(&T, f64)| {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]    --> src/snake.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let head = self.snake.last().unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game`
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut game = Game::new(GAME_WIDTH, GAME_HEIGHT, GAME_SCALE);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut i = 0;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected_value`
[INFO] [stdout]    --> src/agent.rs:122:31
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let (selected_choice, selected_value) = network_result.iter().copied()
[INFO] [stdout]     |                               ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/agent.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         for step in 0..Snake::SNAKE_STEPS {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/population.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         .map(|&(agent_ref, val): &(&T, f64)| {
[INFO] [stdout]    |                            ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]    --> src/snake.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 |         let head = self.snake.last().unwrap();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut game = Game::new(GAME_WIDTH, GAME_HEIGHT, GAME_SCALE);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let mut game = Game::new(GAME_WIDTH, GAME_HEIGHT, GAME_SCALE);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/agent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(len: usize, mutation_prob: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `LINE_COLOR`
[INFO] [stdout]   --> src/snake.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     const LINE_COLOR: Color = Color::RGB(0, 0, 255);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `NODE_COLOR`
[INFO] [stdout]   --> src/network.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const NODE_COLOR: Color = Color::RGB(255, 0, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `CONNECTION_COLOR`
[INFO] [stdout]   --> src/network.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const CONNECTION_COLOR: Color = Color::RGB(0, 255, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_shape`
[INFO] [stdout]   --> src/network.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn get_shape(&self) -> &[usize] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]    --> src/network.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn render(&self, canvas: &mut Canvas<Window>, scale: u16) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NETWORK_SCALE`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const NETWORK_SCALE: u16 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/agent.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn new(len: usize, mutation_prob: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `LINE_COLOR`
[INFO] [stdout]   --> src/snake.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     const LINE_COLOR: Color = Color::RGB(0, 0, 255);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `NODE_COLOR`
[INFO] [stdout]   --> src/network.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     const NODE_COLOR: Color = Color::RGB(255, 0, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `CONNECTION_COLOR`
[INFO] [stdout]   --> src/network.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const CONNECTION_COLOR: Color = Color::RGB(0, 255, 0);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_shape`
[INFO] [stdout]   --> src/network.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn get_shape(&self) -> &[usize] {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]    --> src/network.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub fn render(&self, canvas: &mut Canvas<Window>, scale: u16) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `NETWORK_SCALE`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const NETWORK_SCALE: u16 = 20;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "29a27c6d0725c41ac92f1afc30664c32b2034779275538b465ae92b8127b70a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a27c6d0725c41ac92f1afc30664c32b2034779275538b465ae92b8127b70a1", kill_on_drop: false }`
[INFO] [stdout] 29a27c6d0725c41ac92f1afc30664c32b2034779275538b465ae92b8127b70a1