[INFO] updating cached repository DewarM/rust_snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DewarM/rust_snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DewarM/rust_snake" "work/ex/clippy-test-run/sources/stable/gh/DewarM/rust_snake"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/DewarM/rust_snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DewarM/rust_snake" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DewarM/rust_snake"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DewarM/rust_snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 38d35947a38348cfb6e31e0786db7eea057980fe
[INFO] sha for GitHub repo DewarM/rust_snake: 38d35947a38348cfb6e31e0786db7eea057980fe
[INFO] validating manifest of DewarM/rust_snake 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 DewarM/rust_snake 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 DewarM/rust_snake
[INFO] finished frobbing DewarM/rust_snake
[INFO] frobbed toml for DewarM/rust_snake written to work/ex/clippy-test-run/sources/stable/gh/DewarM/rust_snake/Cargo.toml
[INFO] started frobbing DewarM/rust_snake
[INFO] finished frobbing DewarM/rust_snake
[INFO] frobbed toml for DewarM/rust_snake written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/DewarM/rust_snake/Cargo.toml
[INFO] crate DewarM/rust_snake 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 DewarM/rust_snake against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/DewarM/rust_snake:/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] 1285c873451a4d39febde71195472ebdf68074e265eea385f3f289a7d7f27888
[INFO] running `"docker" "start" "-a" "1285c873451a4d39febde71195472ebdf68074e265eea385f3f289a7d7f27888"`
[INFO] [stderr]     Checking serde v1.0.53
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]    Compiling num-derive v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.46.0
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking graphics-2d v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/snake.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             direction: direction,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/snake.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             tail: tail,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `tail`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/snake.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |             direction: direction,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/snake.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             tail: tail,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `tail`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/apple.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.position.x * TILE_SIZE as f64,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/apple.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |             self.position.y * TILE_SIZE as f64,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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/apple.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             TILE_SIZE as f64,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn dissallowed_press(press: &Press) -> Press {
[INFO] [stderr]    |                             ^^^^^^ help: consider passing by value instead: `Press`
[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: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.tail.first().unwrap().clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.tail.first().unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let tail = self.tail.last().unwrap().clone();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.tail.last().unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/snake.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |               .skip(1)
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 57 | |             .fold(false, |acc, tail_vec| acc || head == tail_vec)
[INFO] [stderr]    | |_________________________________________________________________^ help: try: `.any(|tail_vec| head == tail_vec)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[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:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn update_direction(&mut self, press: &Press) {
[INFO] [stderr]    |                                               ^^^^^^ help: consider passing by value instead: `Press`
[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: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:70:35
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 self.last_press = press.clone();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ help: try dereferencing it: `*press`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let max_length = BOARD_SIZE as f64 / TILE_SIZE as f64;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^ help: try: `f64::from(BOARD_SIZE)`
[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:80:46
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let max_length = BOARD_SIZE as f64 / TILE_SIZE as f64;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 vec.x * TILE_SIZE as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 vec.y * TILE_SIZE as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 TILE_SIZE as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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/vector.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |             x: x as f64,
[INFO] [stderr]    |                ^^^^^^^^ help: try: `f64::from(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/vector.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |             y: y as f64,
[INFO] [stderr]    |                ^^^^^^^^ help: try: `f64::from(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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/score.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let ref font = assets.join("FiraSans-Regular.ttf");
[INFO] [stderr]    |         ----^^^^^^^^--------------------------------------- help: try: `let font = &assets.join("FiraSans-Regular.ttf");`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[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:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn update(&mut self, args: &UpdateArgs) {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn update(&mut self, args: &UpdateArgs) {
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/apple.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |             self.position.x * TILE_SIZE as f64,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/apple.rs:28:31
[INFO] [stderr]    |
[INFO] [stderr] 28 |             self.position.y * TILE_SIZE as f64,
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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/apple.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             TILE_SIZE as f64,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn dissallowed_press(press: &Press) -> Press {
[INFO] [stderr]    |                             ^^^^^^ help: consider passing by value instead: `Press`
[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: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         self.tail.first().unwrap().clone()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.tail.first().unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let tail = self.tail.last().unwrap().clone();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*self.tail.last().unwrap()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: this `.fold` can be written more succinctly using another method
[INFO] [stderr]   --> src/snake.rs:56:21
[INFO] [stderr]    |
[INFO] [stderr] 56 |               .skip(1)
[INFO] [stderr]    |  _____________________^
[INFO] [stderr] 57 | |             .fold(false, |acc, tail_vec| acc || head == tail_vec)
[INFO] [stderr]    | |_________________________________________________________________^ help: try: `.any(|tail_vec| head == tail_vec)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unnecessary_fold)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[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:60:47
[INFO] [stderr]    |
[INFO] [stderr] 60 |     pub fn update_direction(&mut self, press: &Press) {
[INFO] [stderr]    |                                               ^^^^^^ help: consider passing by value instead: `Press`
[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: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/snake.rs:70:35
[INFO] [stderr]    |
[INFO] [stderr] 70 |                 self.last_press = press.clone();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^ help: try dereferencing it: `*press`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/snake.rs:80:26
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let max_length = BOARD_SIZE as f64 / TILE_SIZE as f64;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^ help: try: `f64::from(BOARD_SIZE)`
[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:80:46
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let max_length = BOARD_SIZE as f64 / TILE_SIZE as f64;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:109:25
[INFO] [stderr]     |
[INFO] [stderr] 109 |                 vec.x * TILE_SIZE as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:110:25
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 vec.y * TILE_SIZE as f64,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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:111:17
[INFO] [stderr]     |
[INFO] [stderr] 111 |                 TILE_SIZE as f64,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: try: `f64::from(TILE_SIZE)`
[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/vector.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |             x: x as f64,
[INFO] [stderr]    |                ^^^^^^^^ help: try: `f64::from(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/vector.rs:16:16
[INFO] [stderr]    |
[INFO] [stderr] 16 |             y: y as f64,
[INFO] [stderr]    |                ^^^^^^^^ help: try: `f64::from(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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/score.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let ref font = assets.join("FiraSans-Regular.ttf");
[INFO] [stderr]    |         ----^^^^^^^^--------------------------------------- help: try: `let font = &assets.join("FiraSans-Regular.ttf");`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[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:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn update(&mut self, args: &UpdateArgs) {
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/main.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn update(&mut self, args: &UpdateArgs) {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 39.63s
[INFO] running `"docker" "inspect" "1285c873451a4d39febde71195472ebdf68074e265eea385f3f289a7d7f27888"`
[INFO] running `"docker" "rm" "-f" "1285c873451a4d39febde71195472ebdf68074e265eea385f3f289a7d7f27888"`
[INFO] [stdout] 1285c873451a4d39febde71195472ebdf68074e265eea385f3f289a7d7f27888