[INFO] updating cached repository ckee83/snake-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ckee83/snake-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ckee83/snake-rs" "work/ex/clippy-test-run/sources/stable/gh/ckee83/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/ckee83/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ckee83/snake-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ckee83/snake-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ckee83/snake-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7232745d281ae97e1baceed29a889feb22de363
[INFO] sha for GitHub repo ckee83/snake-rs: c7232745d281ae97e1baceed29a889feb22de363
[INFO] validating manifest of ckee83/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 ckee83/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 ckee83/snake-rs
[INFO] finished frobbing ckee83/snake-rs
[INFO] frobbed toml for ckee83/snake-rs written to work/ex/clippy-test-run/sources/stable/gh/ckee83/snake-rs/Cargo.toml
[INFO] started frobbing ckee83/snake-rs
[INFO] finished frobbing ckee83/snake-rs
[INFO] frobbed toml for ckee83/snake-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/ckee83/snake-rs/Cargo.toml
[INFO] crate ckee83/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 ckee83/snake-rs against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/ckee83/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] a9018103d4ddcf38cc2ce7ae7f0bd122c9f62752ce5d16f05f3460026cae4fba
[INFO] running `"docker" "start" "-a" "a9018103d4ddcf38cc2ce7ae7f0bd122c9f62752ce5d16f05f3460026cae4fba"`
[INFO] [stderr]    Compiling bitflags v1.0.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking snake_rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let bg_outer_width: f64 = self.dimension as f64 * bg_offset;
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.dimension)`
[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: the operation is ineffective. Consider reducing it to `40`
[INFO] [stderr]    --> src/game.rs:105:23
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let score_y = 0 + 40;
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let dim: f64 = self.dimension as f64 * self.width as f64;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.dimension)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:122:48
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let dim: f64 = self.dimension as f64 * self.width as f64;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/game.rs:153:36
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[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/game.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match btn {
[INFO] [stderr] 179 | |                 // allow unpause
[INFO] [stderr] 180 | |                 &Button::Keyboard(Key::Space) => {
[INFO] [stderr] 181 | |                     if self.game_over {
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |                 _ => (),
[INFO] [stderr] 187 | |             };
[INFO] [stderr]     | |_____________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |             if let &Button::Keyboard(Key::Space) = btn {
[INFO] [stderr] 179 |     if self.game_over {
[INFO] [stderr] 180 |         self.reset();
[INFO] [stderr] 181 |     }
[INFO] [stderr] 182 |     self.paused = false;
[INFO] [stderr] 183 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/game.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match btn {
[INFO] [stderr] 179 | |                 // allow unpause
[INFO] [stderr] 180 | |                 &Button::Keyboard(Key::Space) => {
[INFO] [stderr] 181 | |                     if self.game_over {
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |                 _ => (),
[INFO] [stderr] 187 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 178 |             match *btn {
[INFO] [stderr] 179 |                 // allow unpause
[INFO] [stderr] 180 |                 Button::Keyboard(Key::Space) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/game.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 | /             match btn {
[INFO] [stderr] 190 | |                 // Spacebar pauses the game!
[INFO] [stderr] 191 | |                 &Button::Keyboard(Key::Space) => self.paused = !self.paused,
[INFO] [stderr] 192 | |                 // If pressed key was an arrow, change the snake's direction
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |                 _ => (),
[INFO] [stderr] 198 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 189 |             match *btn {
[INFO] [stderr] 190 |                 // Spacebar pauses the game!
[INFO] [stderr] 191 |                 Button::Keyboard(Key::Space) => self.paused = !self.paused,
[INFO] [stderr] 192 |                 // If pressed key was an arrow, change the snake's direction
[INFO] [stderr] 193 |                 Button::Keyboard(Key::Up) => self.snake.change_dir(Direction::Up),
[INFO] [stderr] 194 |                 Button::Keyboard(Key::Down) => self.snake.change_dir(Direction::Down),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     p.0 as f64,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(p.0)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     p.1 as f64,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(p.1)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width as f64);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.pos_x)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:56
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:79
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width as f64);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.pos_y)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:79
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 .trans(-0.5 * width as f64, -0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:55:52
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 .trans(-0.5 * width as f64, -0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 width 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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/food.rs:67:36
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn update(&mut self, args: &UpdateArgs, snake: &Snake) -> bool {
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[INFO] [stderr]    |
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |         txt: &String,
[INFO] [stderr]    |              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]   --> src/text_renderer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn render(
[INFO] [stderr] 26 | |         &mut self,
[INFO] [stderr] 27 | |         gl: &mut GlGraphics,
[INFO] [stderr] 28 | |         args: &RenderArgs,
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |         });
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:51:90
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn large(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:54:91
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn medium(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:57:90
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn small(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/game.rs:61:35
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let bg_outer_width: f64 = self.dimension as f64 * bg_offset;
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.dimension)`
[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: the operation is ineffective. Consider reducing it to `40`
[INFO] [stderr]    --> src/game.rs:105:23
[INFO] [stderr]     |
[INFO] [stderr] 105 |         let score_y = 0 + 40;
[INFO] [stderr]     |                       ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:122:24
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let dim: f64 = self.dimension as f64 * self.width as f64;
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.dimension)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:122:48
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let dim: f64 = self.dimension as f64 * self.width as f64;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/game.rs:153:36
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[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/game.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match btn {
[INFO] [stderr] 179 | |                 // allow unpause
[INFO] [stderr] 180 | |                 &Button::Keyboard(Key::Space) => {
[INFO] [stderr] 181 | |                     if self.game_over {
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |                 _ => (),
[INFO] [stderr] 187 | |             };
[INFO] [stderr]     | |_____________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 178 |             if let &Button::Keyboard(Key::Space) = btn {
[INFO] [stderr] 179 |     if self.game_over {
[INFO] [stderr] 180 |         self.reset();
[INFO] [stderr] 181 |     }
[INFO] [stderr] 182 |     self.paused = false;
[INFO] [stderr] 183 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/game.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 | /             match btn {
[INFO] [stderr] 179 | |                 // allow unpause
[INFO] [stderr] 180 | |                 &Button::Keyboard(Key::Space) => {
[INFO] [stderr] 181 | |                     if self.game_over {
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |                 _ => (),
[INFO] [stderr] 187 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_ref_pats)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 178 |             match *btn {
[INFO] [stderr] 179 |                 // allow unpause
[INFO] [stderr] 180 |                 Button::Keyboard(Key::Space) => {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]    --> src/game.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 | /             match btn {
[INFO] [stderr] 190 | |                 // Spacebar pauses the game!
[INFO] [stderr] 191 | |                 &Button::Keyboard(Key::Space) => self.paused = !self.paused,
[INFO] [stderr] 192 | |                 // If pressed key was an arrow, change the snake's direction
[INFO] [stderr] ...   |
[INFO] [stderr] 197 | |                 _ => (),
[INFO] [stderr] 198 | |             };
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_ref_pats
[INFO] [stderr] help: instead of prefixing all patterns with `&`, you can dereference the expression
[INFO] [stderr]     |
[INFO] [stderr] 189 |             match *btn {
[INFO] [stderr] 190 |                 // Spacebar pauses the game!
[INFO] [stderr] 191 |                 Button::Keyboard(Key::Space) => self.paused = !self.paused,
[INFO] [stderr] 192 |                 // If pressed key was an arrow, change the snake's direction
[INFO] [stderr] 193 |                 Button::Keyboard(Key::Up) => self.snake.change_dir(Direction::Up),
[INFO] [stderr] 194 |                 Button::Keyboard(Key::Down) => self.snake.change_dir(Direction::Down),
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     p.0 as f64,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(p.0)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     p.1 as f64,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: try: `f64::from(p.1)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |                     width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width as f64);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.pos_x)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:56
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:50:79
[INFO] [stderr]    |
[INFO] [stderr] 50 |             let x_rot_axis: f64 = (self.pos_x as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width as f64);
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: try: `f64::from(self.pos_y)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:56
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:51:79
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let y_rot_axis: f64 = (self.pos_y as f64 * width as f64) + (0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:55:31
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 .trans(-0.5 * width as f64, -0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:55:52
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 .trans(-0.5 * width as f64, -0.5 * width 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/food.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 width 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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/food.rs:67:36
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn update(&mut self, args: &UpdateArgs, snake: &Snake) -> bool {
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: consider passing by value instead: `UpdateArgs`
[INFO] [stderr]    |
[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: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |         txt: &String,
[INFO] [stderr]    |              ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]   --> src/text_renderer.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | /     pub fn render(
[INFO] [stderr] 26 | |         &mut self,
[INFO] [stderr] 27 | |         gl: &mut GlGraphics,
[INFO] [stderr] 28 | |         args: &RenderArgs,
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |         });
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:51:90
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn large(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:54:91
[INFO] [stderr]    |
[INFO] [stderr] 54 |     pub fn medium(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                           ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/text_renderer.rs:57:90
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn small(&mut self, gl: &mut GlGraphics, args: &RenderArgs, x: u32, y: u32, txt: &String) {
[INFO] [stderr]    |                                                                                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.19s
[INFO] running `"docker" "inspect" "a9018103d4ddcf38cc2ce7ae7f0bd122c9f62752ce5d16f05f3460026cae4fba"`
[INFO] running `"docker" "rm" "-f" "a9018103d4ddcf38cc2ce7ae7f0bd122c9f62752ce5d16f05f3460026cae4fba"`
[INFO] [stdout] a9018103d4ddcf38cc2ce7ae7f0bd122c9f62752ce5d16f05f3460026cae4fba