[INFO] cloning repository https://github.com/Isan-Rivkin/snake-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Isan-Rivkin/snake-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fsnake-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fsnake-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77bc725ef19bd62869c82c954445d0250d1f7852
[INFO] checking Isan-Rivkin/snake-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fsnake-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Isan-Rivkin/snake-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Isan-Rivkin/snake-rs
[INFO] finished tweaking git repo https://github.com/Isan-Rivkin/snake-rs
[INFO] tweaked toml for git repo https://github.com/Isan-Rivkin/snake-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Isan-Rivkin/snake-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08f673263cfa985b50d7c837005d99ddd2320bba570b5f2e9bf5d1b6ec55f6ce
[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" "08f673263cfa985b50d7c837005d99ddd2320bba570b5f2e9bf5d1b6ec55f6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08f673263cfa985b50d7c837005d99ddd2320bba570b5f2e9bf5d1b6ec55f6ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f673263cfa985b50d7c837005d99ddd2320bba570b5f2e9bf5d1b6ec55f6ce", kill_on_drop: false }`
[INFO] [stdout] 08f673263cfa985b50d7c837005d99ddd2320bba570b5f2e9bf5d1b6ec55f6ce
[INFO] running `Command { std: "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" "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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bddda39c5ca2fc49d1c3e11884943939f8a96d53bb4dfd032503c14af4d0587
[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" "1bddda39c5ca2fc49d1c3e11884943939f8a96d53bb4dfd032503c14af4d0587", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking interpolation v0.1.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking lazy_static v1.1.0
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling num-derive v0.2.2
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[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `game::Game`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use game::Game;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game::Game`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use game::Game;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut window : PistonWindow = WindowSettings::new(
[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: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn draw_block(color : Color, x : i32, y: i32, con : &Context, g: &mut G2d){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn draw_rectangle(color : Color,x : i32, y:i32,width:i32, height : i32,con : &Context,g:&mut G2d){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SNAKE_COLOR : Color = [0.00,0.80,0.00,1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]   --> src/snake.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/snake.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/snake.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/snake.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `opposite`
[INFO] [stdout]   --> src/snake.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Snake{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(x: i32, y: i32)->Snake{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn draw(&self, con: &Context, g: &mut G2d){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_position`
[INFO] [stdout]   --> src/snake.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn head_position(&self)->(i32,i32){
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn move_forward(&mut self, dir: Option<Direction>){
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_direction`
[INFO] [stdout]    --> src/snake.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn head_direction(&self)->Direction{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_head`
[INFO] [stdout]    --> src/snake.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn next_head(&self, dir: Option<Direction>) -> (i32,i32){
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restore_tail`
[INFO] [stdout]    --> src/snake.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn restore_tail(&mut self){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlap_tail`
[INFO] [stdout]    --> src/snake.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn overlap_tail(&self, x: i32, y:i32)->bool{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FOOD_COLOR`
[INFO] [stdout]  --> src/game.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FOOD_COLOR : Color = [0.80,0.00,0.00,1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BORDER_COLOR`
[INFO] [stdout]   --> src/game.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BORDER_COLOR : Color = [0.00,0.00,0.00,1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GAMEOVER_COLOR`
[INFO] [stdout]   --> src/game.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GAMEOVER_COLOR : Color = [0.90,0.00,0.00,0.5];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOVING_PERIOD`
[INFO] [stdout]   --> src/game.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MOVING_PERIOD : f64 = 0.1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESTART_TIME`
[INFO] [stdout]   --> src/game.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const RESTART_TIME : f64 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Game{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/game.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(width : i32, height : i32)->Game{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_pressed`
[INFO] [stdout]   --> src/game.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn key_pressed(&mut self, key : Key){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/game.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g : &mut G2d){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/game.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn update(&mut self, delta_time: f64){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_eating`
[INFO] [stdout]   --> src/game.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn check_eating(&mut self){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_if_snake_alive`
[INFO] [stdout]    --> src/game.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn check_if_snake_alive(&self, dir: Option<Direction>)->bool{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_food`
[INFO] [stdout]    --> src/game.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn add_food(&mut self){
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_snake`
[INFO] [stdout]    --> src/game.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn update_snake(&mut self, dir: Option<Direction>){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]    --> src/game.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn restart(&mut self){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BACKGROUND_COLOR`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const BACKGROUND_COLOR : Color = [0.5,0.5,0.5,1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut window : PistonWindow = WindowSettings::new(
[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: function is never used: `draw_block`
[INFO] [stdout]   --> src/draw.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn draw_block(color : Color, x : i32, y: i32, con : &Context, g: &mut G2d){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_rectangle`
[INFO] [stdout]   --> src/draw.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn draw_rectangle(color : Color,x : i32, y:i32,width:i32, height : i32,con : &Context,g:&mut G2d){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `SNAKE_COLOR`
[INFO] [stdout]  --> src/snake.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SNAKE_COLOR : Color = [0.00,0.80,0.00,1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Up`
[INFO] [stdout]   --> src/snake.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Up,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]   --> src/snake.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     Down,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/snake.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/snake.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `opposite`
[INFO] [stdout]   --> src/snake.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Snake`
[INFO] [stdout]   --> src/snake.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Snake{
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/snake.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn new(x: i32, y: i32)->Snake{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/snake.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn draw(&self, con: &Context, g: &mut G2d){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_position`
[INFO] [stdout]   --> src/snake.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn head_position(&self)->(i32,i32){
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_forward`
[INFO] [stdout]   --> src/snake.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn move_forward(&mut self, dir: Option<Direction>){
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head_direction`
[INFO] [stdout]    --> src/snake.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn head_direction(&self)->Direction{
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_head`
[INFO] [stdout]    --> src/snake.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn next_head(&self, dir: Option<Direction>) -> (i32,i32){
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restore_tail`
[INFO] [stdout]    --> src/snake.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn restore_tail(&mut self){
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `overlap_tail`
[INFO] [stdout]    --> src/snake.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 133 |     pub fn overlap_tail(&self, x: i32, y:i32)->bool{
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `FOOD_COLOR`
[INFO] [stdout]  --> src/game.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | const FOOD_COLOR : Color = [0.80,0.00,0.00,1.0];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BORDER_COLOR`
[INFO] [stdout]   --> src/game.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | const BORDER_COLOR : Color = [0.00,0.00,0.00,1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `GAMEOVER_COLOR`
[INFO] [stdout]   --> src/game.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | const GAMEOVER_COLOR : Color = [0.90,0.00,0.00,0.5];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MOVING_PERIOD`
[INFO] [stdout]   --> src/game.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const MOVING_PERIOD : f64 = 0.1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RESTART_TIME`
[INFO] [stdout]   --> src/game.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const RESTART_TIME : f64 = 1.0;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Game`
[INFO] [stdout]   --> src/game.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Game{
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/game.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(width : i32, height : i32)->Game{
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_pressed`
[INFO] [stdout]   --> src/game.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn key_pressed(&mut self, key : Key){
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `draw`
[INFO] [stdout]   --> src/game.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn draw(&self, con: &Context, g : &mut G2d){
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/game.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn update(&mut self, delta_time: f64){
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_eating`
[INFO] [stdout]   --> src/game.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn check_eating(&mut self){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `check_if_snake_alive`
[INFO] [stdout]    --> src/game.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn check_if_snake_alive(&self, dir: Option<Direction>)->bool{
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_food`
[INFO] [stdout]    --> src/game.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn add_food(&mut self){
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update_snake`
[INFO] [stdout]    --> src/game.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn update_snake(&mut self, dir: Option<Direction>){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]    --> src/game.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn restart(&mut self){
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BACKGROUND_COLOR`
[INFO] [stdout]   --> src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const BACKGROUND_COLOR : Color = [0.5,0.5,0.5,1.0];
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "1bddda39c5ca2fc49d1c3e11884943939f8a96d53bb4dfd032503c14af4d0587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bddda39c5ca2fc49d1c3e11884943939f8a96d53bb4dfd032503c14af4d0587", kill_on_drop: false }`
[INFO] [stdout] 1bddda39c5ca2fc49d1c3e11884943939f8a96d53bb4dfd032503c14af4d0587