[INFO] cloning repository https://github.com/MehdiSaffar/sdl_snake_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MehdiSaffar/sdl_snake_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMehdiSaffar%2Fsdl_snake_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMehdiSaffar%2Fsdl_snake_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e20906d91f3b25c66c0b96ed15c69c68b1241501
[INFO] checking MehdiSaffar/sdl_snake_rust against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMehdiSaffar%2Fsdl_snake_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MehdiSaffar/sdl_snake_rust on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MehdiSaffar/sdl_snake_rust
[INFO] finished tweaking git repo https://github.com/MehdiSaffar/sdl_snake_rust
[INFO] tweaked toml for git repo https://github.com/MehdiSaffar/sdl_snake_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/MehdiSaffar/sdl_snake_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-8/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sdl2-sys v0.21.0
[INFO] [stderr]   Downloaded sdl2 v0.21.0
[INFO] [stderr]   Downloaded collect-mac v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 133bb08cdb9c4a21adb3540c723e4c324939142381bb30786a331ece51d6752b
[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" "133bb08cdb9c4a21adb3540c723e4c324939142381bb30786a331ece51d6752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "133bb08cdb9c4a21adb3540c723e4c324939142381bb30786a331ece51d6752b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "133bb08cdb9c4a21adb3540c723e4c324939142381bb30786a331ece51d6752b", kill_on_drop: false }`
[INFO] [stdout] 133bb08cdb9c4a21adb3540c723e4c324939142381bb30786a331ece51d6752b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c5bfa6ac7b738f95413e8c2991e62f1e7d49ccd9b8874c73e82ba8ee73c7e12
[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" "6c5bfa6ac7b738f95413e8c2991e62f1e7d49ccd9b8874c73e82ba8ee73c7e12", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling sdl2-sys v0.21.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking sdl2 v0.21.0
[INFO] [stderr]     Checking sdl2_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sdl2::event::*`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use sdl2::event::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use sdl2::keyboard::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use sdl2::render::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::*`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use sdl2::rect::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::*`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sdl2::pixels::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]   --> src/game.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::VideoSubsystem`
[INFO] [stdout]   --> src/game.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use sdl2::VideoSubsystem;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WindowBuilder`, `Window`
[INFO] [stdout]   --> src/game.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | use sdl2::video::{Window, WindowBuilder};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Renderer`
[INFO] [stdout]   --> src/game.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use sdl2::render::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]   --> src/game.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use sdl2::pixels::Color;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Point`, `Rect`
[INFO] [stdout]   --> src/game.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snake`
[INFO] [stdout]   --> src/game.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use snake;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/game.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/game.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `maze`
[INFO] [stdout]   --> src/game.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use maze;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/snake.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventPump`, `Sdl`
[INFO] [stdout]   --> src/snake.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | use sdl2::{Sdl, EventPump};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Renderer`
[INFO] [stdout]   --> src/snake.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use sdl2::render::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]   --> src/snake.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game`
[INFO] [stdout]   --> src/snake.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use game;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Game`
[INFO] [stdout]   --> src/snake.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | use game::{Game, Direction, GameEvent};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/snake.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/snake.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/maze.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game`
[INFO] [stdout]   --> src/maze.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use game;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/maze.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/maze.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/render.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]   --> src/render.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::event::*`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use sdl2::event::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::keyboard::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use sdl2::keyboard::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use sdl2::render::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::rect::*`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use sdl2::rect::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::*`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sdl2::pixels::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Duration`, `Instant`
[INFO] [stdout]   --> src/game.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::time::{Duration, Instant};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::VideoSubsystem`
[INFO] [stdout]   --> src/game.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use sdl2::VideoSubsystem;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `WindowBuilder`, `Window`
[INFO] [stdout]   --> src/game.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 27 | use sdl2::video::{Window, WindowBuilder};
[INFO] [stdout]    |                   ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Renderer`
[INFO] [stdout]   --> src/game.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use sdl2::render::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::pixels::Color`
[INFO] [stdout]   --> src/game.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use sdl2::pixels::Color;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Point`, `Rect`
[INFO] [stdout]   --> src/game.rs:32:18
[INFO] [stdout]    |
[INFO] [stdout] 32 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                  ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snake`
[INFO] [stdout]   --> src/game.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use snake;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/game.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/game.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `maze`
[INFO] [stdout]   --> src/game.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | use maze;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/snake.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EventPump`, `Sdl`
[INFO] [stdout]   --> src/snake.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | use sdl2::{Sdl, EventPump};
[INFO] [stdout]    |            ^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2::render::Renderer`
[INFO] [stdout]   --> src/snake.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use sdl2::render::Renderer;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]   --> src/snake.rs:28:24
[INFO] [stdout]    |
[INFO] [stdout] 28 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game`
[INFO] [stdout]   --> src/snake.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use game;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Game`
[INFO] [stdout]   --> src/snake.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | use game::{Game, Direction, GameEvent};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/snake.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/snake.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/maze.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game`
[INFO] [stdout]   --> src/maze.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use game;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `render`
[INFO] [stdout]   --> src/maze.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use render;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec2i`
[INFO] [stdout]   --> src/maze.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use vec2i;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sdl2`
[INFO] [stdout]   --> src/render.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use sdl2;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Point`
[INFO] [stdout]   --> src/render.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 | use sdl2::rect::{Rect, Point};
[INFO] [stdout]    |                        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut video_subsystem = _sdl_context.video()
[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/game.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut window = window_builder.position_centered()
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut video_subsystem = _sdl_context.video()
[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/game.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |         let mut window = window_builder.position_centered()
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window_width`
[INFO] [stdout]   --> src/game.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     window_width: u32, // Window width in pixels
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window_height`
[INFO] [stdout]   --> src/game.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     window_height: u32, // Window height in pixels
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sdl_context`
[INFO] [stdout]   --> src/game.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     sdl_context: Sdl, // SDL Context
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at_mut`
[INFO] [stdout]    --> src/maze.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn at_mut(&mut self, tile_pos: &Vec2i) -> Option<&Tile> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window_width`
[INFO] [stdout]   --> src/game.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     window_width: u32, // Window width in pixels
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `window_height`
[INFO] [stdout]   --> src/game.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     window_height: u32, // Window height in pixels
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sdl_context`
[INFO] [stdout]   --> src/game.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     sdl_context: Sdl, // SDL Context
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at_mut`
[INFO] [stdout]    --> src/maze.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn at_mut(&mut self, tile_pos: &Vec2i) -> Option<&Tile> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/render.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.renderer.fill_rect(*rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/render.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.renderer.fill_rect(*rect);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.21s
[INFO] running `Command { std: "docker" "inspect" "6c5bfa6ac7b738f95413e8c2991e62f1e7d49ccd9b8874c73e82ba8ee73c7e12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5bfa6ac7b738f95413e8c2991e62f1e7d49ccd9b8874c73e82ba8ee73c7e12", kill_on_drop: false }`
[INFO] [stdout] 6c5bfa6ac7b738f95413e8c2991e62f1e7d49ccd9b8874c73e82ba8ee73c7e12