[INFO] updating cached repository https://github.com/Isan-Rivkin/snake-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77bc725ef19bd62869c82c954445d0250d1f7852
[INFO] checking Isan-Rivkin/snake-rs against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FIsan-Rivkin%2Fsnake-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Isan-Rivkin/snake-rs on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/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 `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 00eb6087e9fb5011b28a7fdd1dcdf0af8d7e8e1a81206bec50fda09990c6d815
[INFO] running `"docker" "start" "-a" "00eb6087e9fb5011b28a7fdd1dcdf0af8d7e8e1a81206bec50fda09990c6d815"`
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking shader_version v0.3.0
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking stb_truetype v0.2.4
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking vecmath v0.3.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]     Checking inflate v0.4.3
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]     Checking gif v0.10.0
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v0.5.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.78
[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 gfx_core v0.8.2
[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 gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `game::Game`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use game::Game;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `game::Game`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use game::Game;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[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/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[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: `window`
[INFO] [stderr]   --> src/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[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/main.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[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: function is never used: `draw_block`
[INFO] [stderr]   --> src/draw.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn draw_block(color : Color, x : i32, y: i32, con : &Context, g: &mut G2d){
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_rectangle`
[INFO] [stderr]   --> src/draw.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn draw_rectangle(color : Color,x : i32, y:i32,width:i32, height : i32,con : &Context,g:&mut G2d){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SNAKE_COLOR`
[INFO] [stderr]  --> src/snake.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const SNAKE_COLOR : Color = [0.00,0.80,0.00,1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/snake.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/snake.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/snake.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/snake.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opposite`
[INFO] [stderr]   --> src/snake.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Snake`
[INFO] [stderr]   --> src/snake.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Snake{
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/snake.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(x: i32, y: i32)->Snake{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/snake.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn draw(&self, con: &Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_position`
[INFO] [stderr]   --> src/snake.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn head_position(&self)->(i32,i32){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_forward`
[INFO] [stderr]   --> src/snake.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn move_forward(&mut self, dir: Option<Direction>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_direction`
[INFO] [stderr]    --> src/snake.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn head_direction(&self)->Direction{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_head`
[INFO] [stderr]    --> src/snake.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn next_head(&self, dir: Option<Direction>) -> (i32,i32){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restore_tail`
[INFO] [stderr]    --> src/snake.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn restore_tail(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `overlap_tail`
[INFO] [stderr]    --> src/snake.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn overlap_tail(&self, x: i32, y:i32)->bool{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FOOD_COLOR`
[INFO] [stderr]  --> src/game.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const FOOD_COLOR : Color = [0.80,0.00,0.00,1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BORDER_COLOR`
[INFO] [stderr]   --> src/game.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const BORDER_COLOR : Color = [0.00,0.00,0.00,1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GAMEOVER_COLOR`
[INFO] [stderr]   --> src/game.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const GAMEOVER_COLOR : Color = [0.90,0.00,0.00,0.5];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MOVING_PERIOD`
[INFO] [stderr]   --> src/game.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const MOVING_PERIOD : f64 = 0.1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RESTART_TIME`
[INFO] [stderr]   --> src/game.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const RESTART_TIME : f64 = 1.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/game.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Game{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/game.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(width : i32, height : i32)->Game{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_pressed`
[INFO] [stderr]   --> src/game.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn key_pressed(&mut self, key : Key){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/game.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn draw(&self, con: &Context, g : &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/game.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn update(&mut self, delta_time: f64){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_eating`
[INFO] [stderr]   --> src/game.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn check_eating(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_if_snake_alive`
[INFO] [stderr]    --> src/game.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn check_if_snake_alive(&self, dir: Option<Direction>)->bool{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_food`
[INFO] [stderr]    --> src/game.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn add_food(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_snake`
[INFO] [stderr]    --> src/game.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn update_snake(&mut self, dir: Option<Direction>){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restart`
[INFO] [stderr]    --> src/game.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn restart(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BACKGROUND_COLOR`
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const BACKGROUND_COLOR : Color = [0.5,0.5,0.5,1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_block`
[INFO] [stderr]   --> src/draw.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn draw_block(color : Color, x : i32, y: i32, con : &Context, g: &mut G2d){
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_rectangle`
[INFO] [stderr]   --> src/draw.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn draw_rectangle(color : Color,x : i32, y:i32,width:i32, height : i32,con : &Context,g:&mut G2d){
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SNAKE_COLOR`
[INFO] [stderr]  --> src/snake.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | const SNAKE_COLOR : Color = [0.00,0.80,0.00,1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Up`
[INFO] [stderr]   --> src/snake.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Up,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Down`
[INFO] [stderr]   --> src/snake.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Down,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Left`
[INFO] [stderr]   --> src/snake.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Left,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> src/snake.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Right,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `opposite`
[INFO] [stderr]   --> src/snake.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Snake`
[INFO] [stderr]   --> src/snake.rs:34:12
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Snake{
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/snake.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn new(x: i32, y: i32)->Snake{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/snake.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn draw(&self, con: &Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_position`
[INFO] [stderr]   --> src/snake.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn head_position(&self)->(i32,i32){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `move_forward`
[INFO] [stderr]   --> src/snake.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn move_forward(&mut self, dir: Option<Direction>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `head_direction`
[INFO] [stderr]    --> src/snake.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn head_direction(&self)->Direction{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_head`
[INFO] [stderr]    --> src/snake.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn next_head(&self, dir: Option<Direction>) -> (i32,i32){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restore_tail`
[INFO] [stderr]    --> src/snake.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn restore_tail(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `overlap_tail`
[INFO] [stderr]    --> src/snake.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     pub fn overlap_tail(&self, x: i32, y:i32)->bool{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FOOD_COLOR`
[INFO] [stderr]  --> src/game.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | const FOOD_COLOR : Color = [0.80,0.00,0.00,1.0];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BORDER_COLOR`
[INFO] [stderr]   --> src/game.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const BORDER_COLOR : Color = [0.00,0.00,0.00,1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `GAMEOVER_COLOR`
[INFO] [stderr]   --> src/game.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const GAMEOVER_COLOR : Color = [0.90,0.00,0.00,0.5];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `MOVING_PERIOD`
[INFO] [stderr]   --> src/game.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const MOVING_PERIOD : f64 = 0.1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RESTART_TIME`
[INFO] [stderr]   --> src/game.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const RESTART_TIME : f64 = 1.0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Game`
[INFO] [stderr]   --> src/game.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Game{
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/game.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn new(width : i32, height : i32)->Game{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `key_pressed`
[INFO] [stderr]   --> src/game.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn key_pressed(&mut self, key : Key){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/game.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn draw(&self, con: &Context, g : &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/game.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn update(&mut self, delta_time: f64){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_eating`
[INFO] [stderr]   --> src/game.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn check_eating(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_if_snake_alive`
[INFO] [stderr]    --> src/game.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn check_if_snake_alive(&self, dir: Option<Direction>)->bool{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_food`
[INFO] [stderr]    --> src/game.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn add_food(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update_snake`
[INFO] [stderr]    --> src/game.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn update_snake(&mut self, dir: Option<Direction>){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `restart`
[INFO] [stderr]    --> src/game.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn restart(&mut self){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BACKGROUND_COLOR`
[INFO] [stderr]   --> src/main.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const BACKGROUND_COLOR : Color = [0.5,0.5,0.5,1.0];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `"docker" "inspect" "00eb6087e9fb5011b28a7fdd1dcdf0af8d7e8e1a81206bec50fda09990c6d815"`
[INFO] running `"docker" "rm" "-f" "00eb6087e9fb5011b28a7fdd1dcdf0af8d7e8e1a81206bec50fda09990c6d815"`
[INFO] [stdout] 00eb6087e9fb5011b28a7fdd1dcdf0af8d7e8e1a81206bec50fda09990c6d815