[INFO] updating cached repository Dooskington/Rostige-Schlange
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dooskington/Rostige-Schlange
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dooskington/Rostige-Schlange" "work/ex/clippy-test-run/sources/stable/gh/Dooskington/Rostige-Schlange"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Dooskington/Rostige-Schlange'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dooskington/Rostige-Schlange" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dooskington/Rostige-Schlange"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dooskington/Rostige-Schlange'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8661151e86b549c3e7ab58b9d0213575066515a6
[INFO] sha for GitHub repo Dooskington/Rostige-Schlange: 8661151e86b549c3e7ab58b9d0213575066515a6
[INFO] validating manifest of Dooskington/Rostige-Schlange 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 Dooskington/Rostige-Schlange 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 Dooskington/Rostige-Schlange
[INFO] finished frobbing Dooskington/Rostige-Schlange
[INFO] frobbed toml for Dooskington/Rostige-Schlange written to work/ex/clippy-test-run/sources/stable/gh/Dooskington/Rostige-Schlange/Cargo.toml
[INFO] started frobbing Dooskington/Rostige-Schlange
[INFO] finished frobbing Dooskington/Rostige-Schlange
[INFO] frobbed toml for Dooskington/Rostige-Schlange written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Dooskington/Rostige-Schlange/Cargo.toml
[INFO] crate Dooskington/Rostige-Schlange 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 Dooskington/Rostige-Schlange 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/Dooskington/Rostige-Schlange:/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] d5c2cc751faa0eb95a872df65f6d32e16693c276fd43ae90ce33ff17f58ff672
[INFO] running `"docker" "start" "-a" "d5c2cc751faa0eb95a872df65f6d32e16693c276fd43ae90ce33ff17f58ff672"`
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling x11-dl v2.17.1
[INFO] [stderr]     Checking memmap v0.6.1
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]    Compiling wayland-scanner v0.12.4
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking wayland-sys v0.12.4
[INFO] [stderr]     Checking nalgebra v0.13.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling wayland-client v0.12.4
[INFO] [stderr]    Compiling wayland-protocols v0.12.4
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]    Compiling glutin v0.11.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking wayland-kbd v0.13.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.9.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-client v0.9.10
[INFO] [stderr]     Checking schlange v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/gfx.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let b: f32 = cell.color.b;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/gfx.rs:334:17
[INFO] [stderr]     |
[INFO] [stderr] 334 |             let b: f32 = cell.color.b;
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gfx.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 | const VS_SRC: &'static [u8] = b"
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gfx.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 | const FS_SRC: &'static [u8] = b"
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gfx.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         return shader_id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `shader_id`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:230:12
[INFO] [stderr]     |
[INFO] [stderr] 230 |       } else if game.state == GameState::GameOver {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 231 | |         if is_key_pressed(input_man, VirtualKeyCode::Space) {
[INFO] [stderr] 232 | |             reset_game(game);
[INFO] [stderr] 233 | |         }
[INFO] [stderr] 234 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 230 |     } else if game.state == GameState::GameOver && is_key_pressed(input_man, VirtualKeyCode::Space) {
[INFO] [stderr] 231 |     reset_game(game);
[INFO] [stderr] 232 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gfx.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 | const VS_SRC: &'static [u8] = b"
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/gfx.rs:36:16
[INFO] [stderr]    |
[INFO] [stderr] 36 | const FS_SRC: &'static [u8] = b"
[INFO] [stderr]    |               -^^^^^^^----- help: consider removing `'static`: `&[u8]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gfx.rs:300:9
[INFO] [stderr]     |
[INFO] [stderr] 300 |         return shader_id;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `shader_id`
[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: this if statement can be collapsed
[INFO] [stderr]    --> src/main.rs:230:12
[INFO] [stderr]     |
[INFO] [stderr] 230 |       } else if game.state == GameState::GameOver {
[INFO] [stderr]     |  ____________^
[INFO] [stderr] 231 | |         if is_key_pressed(input_man, VirtualKeyCode::Space) {
[INFO] [stderr] 232 | |             reset_game(game);
[INFO] [stderr] 233 | |         }
[INFO] [stderr] 234 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 230 |     } else if game.state == GameState::GameOver && is_key_pressed(input_man, VirtualKeyCode::Space) {
[INFO] [stderr] 231 |     reset_game(game);
[INFO] [stderr] 232 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fps` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut fps: u32 = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_fps` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fps` is never read
[INFO] [stderr]    --> src/main.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             fps = fps_counter;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fps` is assigned to, but never used
[INFO] [stderr]    --> src/main.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let mut fps: u32 = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr]     = note: consider using `_fps` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fps` is never read
[INFO] [stderr]    --> src/main.rs:154:13
[INFO] [stderr]     |
[INFO] [stderr] 154 |             fps = fps_counter;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vao_id`
[INFO] [stderr]    --> src/gfx.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     vao_id: GLuint,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_BLACK`
[INFO] [stderr]    --> src/gfx.rs:398:1
[INFO] [stderr]     |
[INFO] [stderr] 398 | pub const COLOR_BLACK: Color = Color { r: 0.0, g: 0.0, b: 0.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_GRAY`
[INFO] [stderr]    --> src/gfx.rs:400:1
[INFO] [stderr]     |
[INFO] [stderr] 400 | pub const COLOR_GRAY: Color = Color { r: 0.4, g: 0.4, b: 0.4, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_RED`
[INFO] [stderr]    --> src/gfx.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | pub const COLOR_RED: Color = Color { r: 1.0, g: 0.0, b: 0.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_BLUE`
[INFO] [stderr]    --> src/gfx.rs:403:1
[INFO] [stderr]     |
[INFO] [stderr] 403 | pub const COLOR_BLUE: Color = Color { r: 0.0, g: 0.0, b: 1.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:294:33
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let mut status: GLint = gl::TRUE as GLint;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:296:22
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if status == (gl::FALSE as GLint) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:329:26
[INFO] [stderr]     |
[INFO] [stderr] 329 |             let u: f32 = sprite_col as f32 * sprite_width;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^ help: try: `f32::from(sprite_col)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:330:26
[INFO] [stderr]     |
[INFO] [stderr] 330 |             let v: f32 = sprite_row as f32 * sprite_height;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^ help: try: `f32::from(sprite_row)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:416:16
[INFO] [stderr]     |
[INFO] [stderr] 416 |             r: r as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(r)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:417:16
[INFO] [stderr]     |
[INFO] [stderr] 417 |             g: g as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(g)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:418:16
[INFO] [stderr]     |
[INFO] [stderr] 418 |             b: b as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(b)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:419:16
[INFO] [stderr]     |
[INFO] [stderr] 419 |             a: a as f32 / 255.0
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(a)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/input.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         match event {
[INFO] [stderr] 45 | |             Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 46 | |                 WindowEvent::Closed => { window.is_close_requested = true; },
[INFO] [stderr] 47 | |                 WindowEvent::Resized(w, h) => { println!("Resize to {}, {}", w, h); gfx::resize_window(window, w, h); },
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |             _ => ()
[INFO] [stderr] 52 | |         }
[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] 44 |         if let Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 45 |     WindowEvent::Closed => { window.is_close_requested = true; },
[INFO] [stderr] 46 |     WindowEvent::Resized(w, h) => { println!("Resize to {}, {}", w, h); gfx::resize_window(window, w, h); },
[INFO] [stderr] 47 |     WindowEvent::KeyboardInput { input, .. } => { input::process_key_input(input_man, &input); },
[INFO] [stderr] 48 |     _ => ()
[INFO] [stderr] 49 | } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vao_id`
[INFO] [stderr]    --> src/gfx.rs:102:5
[INFO] [stderr]     |
[INFO] [stderr] 102 |     vao_id: GLuint,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_BLACK`
[INFO] [stderr]    --> src/gfx.rs:398:1
[INFO] [stderr]     |
[INFO] [stderr] 398 | pub const COLOR_BLACK: Color = Color { r: 0.0, g: 0.0, b: 0.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_GRAY`
[INFO] [stderr]    --> src/gfx.rs:400:1
[INFO] [stderr]     |
[INFO] [stderr] 400 | pub const COLOR_GRAY: Color = Color { r: 0.4, g: 0.4, b: 0.4, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_RED`
[INFO] [stderr]    --> src/gfx.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | pub const COLOR_RED: Color = Color { r: 1.0, g: 0.0, b: 0.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `COLOR_BLUE`
[INFO] [stderr]    --> src/gfx.rs:403:1
[INFO] [stderr]     |
[INFO] [stderr] 403 | pub const COLOR_BLUE: Color = Color { r: 0.0, g: 0.0, b: 1.0, a: 1.0 };
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Game`
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     pub fn new() -> Game {
[INFO] [stderr] 76 | |         let initial_snake_position: Coordinates = Coordinates::new(15, 8);
[INFO] [stderr] 77 | |
[INFO] [stderr] 78 | |         Game {
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl Default for Game {
[INFO] [stderr] 75 |     fn default() -> Self {
[INFO] [stderr] 76 |         Self::new()
[INFO] [stderr] 77 |     }
[INFO] [stderr] 78 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `update` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:136:20
[INFO] [stderr]     |
[INFO] [stderr] 136 |             update(&mut input_man, &mut game);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `segments_cloned`.
[INFO] [stderr]    --> src/main.rs:205:18
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for i in 1..segments_cloned.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for <item> in segments_cloned.iter().skip(1) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:294:33
[INFO] [stderr]     |
[INFO] [stderr] 294 |         let mut status: GLint = gl::TRUE as GLint;
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:296:22
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if status == (gl::FALSE as GLint) {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:329:26
[INFO] [stderr]     |
[INFO] [stderr] 329 |             let u: f32 = sprite_col as f32 * sprite_width;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^ help: try: `f32::from(sprite_col)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:330:26
[INFO] [stderr]     |
[INFO] [stderr] 330 |             let v: f32 = sprite_row as f32 * sprite_height;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^ help: try: `f32::from(sprite_row)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:416:16
[INFO] [stderr]     |
[INFO] [stderr] 416 |             r: r as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(r)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:417:16
[INFO] [stderr]     |
[INFO] [stderr] 417 |             g: g as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(g)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:418:16
[INFO] [stderr]     |
[INFO] [stderr] 418 |             b: b as f32 / 255.0,
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(b)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/gfx.rs:419:16
[INFO] [stderr]     |
[INFO] [stderr] 419 |             a: a as f32 / 255.0
[INFO] [stderr]     |                ^^^^^^^^ help: try: `f32::from(a)`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/input.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         match event {
[INFO] [stderr] 45 | |             Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 46 | |                 WindowEvent::Closed => { window.is_close_requested = true; },
[INFO] [stderr] 47 | |                 WindowEvent::Resized(w, h) => { println!("Resize to {}, {}", w, h); gfx::resize_window(window, w, h); },
[INFO] [stderr] ...  |
[INFO] [stderr] 51 | |             _ => ()
[INFO] [stderr] 52 | |         }
[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] 44 |         if let Event::WindowEvent { event, .. } = event { match event {
[INFO] [stderr] 45 |     WindowEvent::Closed => { window.is_close_requested = true; },
[INFO] [stderr] 46 |     WindowEvent::Resized(w, h) => { println!("Resize to {}, {}", w, h); gfx::resize_window(window, w, h); },
[INFO] [stderr] 47 |     WindowEvent::KeyboardInput { input, .. } => { input::process_key_input(input_man, &input); },
[INFO] [stderr] 48 |     _ => ()
[INFO] [stderr] 49 | } }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `Game`
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     pub fn new() -> Game {
[INFO] [stderr] 76 | |         let initial_snake_position: Coordinates = Coordinates::new(15, 8);
[INFO] [stderr] 77 | |
[INFO] [stderr] 78 | |         Game {
[INFO] [stderr] ...  |
[INFO] [stderr] 83 | |         }
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl Default for Game {
[INFO] [stderr] 75 |     fn default() -> Self {
[INFO] [stderr] 76 |         Self::new()
[INFO] [stderr] 77 |     }
[INFO] [stderr] 78 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `update` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:136:20
[INFO] [stderr]     |
[INFO] [stderr] 136 |             update(&mut input_man, &mut game);
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `segments_cloned`.
[INFO] [stderr]    --> src/main.rs:205:18
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for i in 1..segments_cloned.len() {
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 205 |         for <item> in segments_cloned.iter().skip(1) {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `"docker" "inspect" "d5c2cc751faa0eb95a872df65f6d32e16693c276fd43ae90ce33ff17f58ff672"`
[INFO] running `"docker" "rm" "-f" "d5c2cc751faa0eb95a872df65f6d32e16693c276fd43ae90ce33ff17f58ff672"`
[INFO] [stdout] d5c2cc751faa0eb95a872df65f6d32e16693c276fd43ae90ce33ff17f58ff672