[INFO] updating cached repository Isan-Rivkin/snake-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Isan-Rivkin/snake-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Isan-Rivkin/snake-rs" "work/ex/clippy-test-run/sources/stable/gh/Isan-Rivkin/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Isan-Rivkin/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Isan-Rivkin/snake-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Isan-Rivkin/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Isan-Rivkin/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77bc725ef19bd62869c82c954445d0250d1f7852
[INFO] sha for GitHub repo Isan-Rivkin/snake-rs: 77bc725ef19bd62869c82c954445d0250d1f7852
[INFO] validating manifest of Isan-Rivkin/snake-rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Isan-Rivkin/snake-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Isan-Rivkin/snake-rs
[INFO] finished frobbing Isan-Rivkin/snake-rs
[INFO] frobbed toml for Isan-Rivkin/snake-rs written to work/ex/clippy-test-run/sources/stable/gh/Isan-Rivkin/snake-rs/Cargo.toml
[INFO] started frobbing Isan-Rivkin/snake-rs
[INFO] finished frobbing Isan-Rivkin/snake-rs
[INFO] frobbed toml for Isan-Rivkin/snake-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Isan-Rivkin/snake-rs/Cargo.toml
[INFO] crate Isan-Rivkin/snake-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting Isan-Rivkin/snake-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Isan-Rivkin/snake-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 30bd91aca8e72572eef95054210da382549dcc4eb48866781df25204072c86b7
[INFO] running `"docker" "start" "-a" "30bd91aca8e72572eef95054210da382549dcc4eb48866781df25204072c86b7"`
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]     Checking ordered-float v0.5.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[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 piston_window v0.80.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/snake.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stderr]    |             ^^^^^^ help: consider using `_window` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/snake.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         return false;
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[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: 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:14:1
[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:26:1
[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:34:1
[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:18:1
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/draw.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     (game_coord as f64) * BLOCK_SIZE
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(game_coord)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/draw.rs:32:27
[INFO] [stderr]    |
[INFO] [stderr] 32 |         [x,y,BLOCK_SIZE * (width as f64), BLOCK_SIZE * (height as f64)],
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `f64::from(width)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/draw.rs:32:56
[INFO] [stderr]    |
[INFO] [stderr] 32 |         [x,y,BLOCK_SIZE * (width as f64), BLOCK_SIZE * (height as f64)],
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^ help: try: `f64::from(height)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/snake.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stderr]    |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/snake.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 | /         match dir{
[INFO] [stderr] 73 | |             Some(d)=>self.direction=d,
[INFO] [stderr] 74 | |             None=>(),
[INFO] [stderr] 75 | |         }    
[INFO] [stderr]    | |_________^ help: try this: `if let Some(d) = dir { self.direction=d }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/snake.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | /         match dir {
[INFO] [stderr] 116 | |             Some(d) => moving_dir = d,
[INFO] [stderr] 117 | |             None => {}
[INFO] [stderr] 118 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(d) = dir { moving_dir = d }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `ch` is used as a loop counter. Consider using `for (ch, item) in &self.body.enumerate()` or similar iterators
[INFO] [stderr]    --> src/snake.rs:135:22
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for block in &self.body{
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut window : PistonWindow = WindowSettings::new(
[INFO] [stderr]    |             ^^^^^^ help: consider using `_window` instead
[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:14:1
[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:26:1
[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:34:1
[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:18:1
[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: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]  --> src/draw.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     (game_coord as f64) * BLOCK_SIZE
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(game_coord)`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/draw.rs:32:27
[INFO] [stderr]    |
[INFO] [stderr] 32 |         [x,y,BLOCK_SIZE * (width as f64), BLOCK_SIZE * (height as f64)],
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^ help: try: `f64::from(width)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/draw.rs:32:56
[INFO] [stderr]    |
[INFO] [stderr] 32 |         [x,y,BLOCK_SIZE * (width as f64), BLOCK_SIZE * (height as f64)],
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^ help: try: `f64::from(height)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/snake.rs:18:21
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn opposite(&self)-> Direction{
[INFO] [stderr]    |                     ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/snake.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 | /         match dir{
[INFO] [stderr] 73 | |             Some(d)=>self.direction=d,
[INFO] [stderr] 74 | |             None=>(),
[INFO] [stderr] 75 | |         }    
[INFO] [stderr]    | |_________^ help: try this: `if let Some(d) = dir { self.direction=d }`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/snake.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 | /         match dir {
[INFO] [stderr] 116 | |             Some(d) => moving_dir = d,
[INFO] [stderr] 117 | |             None => {}
[INFO] [stderr] 118 | |         }
[INFO] [stderr]     | |_________^ help: try this: `if let Some(d) = dir { moving_dir = d }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: the variable `ch` is used as a loop counter. Consider using `for (ch, item) in &self.body.enumerate()` or similar iterators
[INFO] [stderr]    --> src/snake.rs:135:22
[INFO] [stderr]     |
[INFO] [stderr] 135 |         for block in &self.body{
[INFO] [stderr]     |                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.03s
[INFO] running `"docker" "inspect" "30bd91aca8e72572eef95054210da382549dcc4eb48866781df25204072c86b7"`
[INFO] running `"docker" "rm" "-f" "30bd91aca8e72572eef95054210da382549dcc4eb48866781df25204072c86b7"`
[INFO] [stdout] 30bd91aca8e72572eef95054210da382549dcc4eb48866781df25204072c86b7