[INFO] updating cached repository TheEighthByte/Snake-Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TheEighthByte/Snake-Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TheEighthByte/Snake-Game" "work/ex/clippy-test-run/sources/stable/gh/TheEighthByte/Snake-Game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/TheEighthByte/Snake-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TheEighthByte/Snake-Game" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheEighthByte/Snake-Game"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheEighthByte/Snake-Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 53f9882444fb97794193169b1f00b4e48180352d
[INFO] sha for GitHub repo TheEighthByte/Snake-Game: 53f9882444fb97794193169b1f00b4e48180352d
[INFO] validating manifest of TheEighthByte/Snake-Game 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 TheEighthByte/Snake-Game 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 TheEighthByte/Snake-Game
[INFO] finished frobbing TheEighthByte/Snake-Game
[INFO] frobbed toml for TheEighthByte/Snake-Game written to work/ex/clippy-test-run/sources/stable/gh/TheEighthByte/Snake-Game/Cargo.toml
[INFO] started frobbing TheEighthByte/Snake-Game
[INFO] finished frobbing TheEighthByte/Snake-Game
[INFO] frobbed toml for TheEighthByte/Snake-Game written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/TheEighthByte/Snake-Game/Cargo.toml
[INFO] crate TheEighthByte/Snake-Game 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 TheEighthByte/Snake-Game against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/TheEighthByte/Snake-Game:/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] 52c292ce1fba29e226b7406d10a8e4c69a7b058039e3c816e7e19a939a285392
[INFO] running `"docker" "start" "-a" "52c292ce1fba29e226b7406d10a8e4c69a7b058039e3c816e7e19a939a285392"`
[INFO] [stderr]     Checking gfx_core v0.8.2
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking gfx_device_gl v0.15.3
[INFO] [stderr]     Checking piston-gfx_texture v0.32.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.51.0
[INFO] [stderr]     Checking piston_window v0.80.0
[INFO] [stderr]     Checking snake_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/main.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         if let Some(u) = e.update_args() 
[INFO] [stderr]    |                     ^ help: consider using `_u` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |           self.dir = match btn
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 34 | |         {
[INFO] [stderr] 35 | |             &Button::Keyboard(Key::Up) if last_direction != Direction::Down => Direction::Up,
[INFO] [stderr] 36 | |             &Button::Keyboard(Key::Down) if last_direction != Direction::Up => Direction::Down,
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             _ => last_direction,
[INFO] [stderr] 40 | |         }
[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] 33 |         self.dir = match *btn
[INFO] [stderr] 34 |         {
[INFO] [stderr] 35 |             Button::Keyboard(Key::Up) if last_direction != Direction::Down => Direction::Up,
[INFO] [stderr] 36 |             Button::Keyboard(Key::Down) if last_direction != Direction::Up => Direction::Down,
[INFO] [stderr] 37 |             Button::Keyboard(Key::Left) if last_direction != Direction::Right => Direction::Left,
[INFO] [stderr] 38 |             Button::Keyboard(Key::Right) if last_direction != Direction::Left => Direction::Right,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length as f64))
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: try: `f64::from(p.0)`
[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/main.rs:100:60
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length 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/main.rs:100:72
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length as f64))
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(snake.length)`
[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: unused variable: `u`
[INFO] [stderr]   --> src/main.rs:88:21
[INFO] [stderr]    |
[INFO] [stderr] 88 |         if let Some(u) = e.update_args() 
[INFO] [stderr]    |                     ^ help: consider using `_u` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you don't need to add `&` to all patterns
[INFO] [stderr]   --> src/main.rs:33:20
[INFO] [stderr]    |
[INFO] [stderr] 33 |           self.dir = match btn
[INFO] [stderr]    |  ____________________^
[INFO] [stderr] 34 | |         {
[INFO] [stderr] 35 | |             &Button::Keyboard(Key::Up) if last_direction != Direction::Down => Direction::Up,
[INFO] [stderr] 36 | |             &Button::Keyboard(Key::Down) if last_direction != Direction::Up => Direction::Down,
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |             _ => last_direction,
[INFO] [stderr] 40 | |         }
[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] 33 |         self.dir = match *btn
[INFO] [stderr] 34 |         {
[INFO] [stderr] 35 |             Button::Keyboard(Key::Up) if last_direction != Direction::Down => Direction::Up,
[INFO] [stderr] 36 |             Button::Keyboard(Key::Down) if last_direction != Direction::Up => Direction::Down,
[INFO] [stderr] 37 |             Button::Keyboard(Key::Left) if last_direction != Direction::Right => Direction::Left,
[INFO] [stderr] 38 |             Button::Keyboard(Key::Right) if last_direction != Direction::Left => Direction::Right,
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:100:48
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length as f64))
[INFO] [stderr]     |                                                ^^^^^^^^^^ help: try: `f64::from(p.0)`
[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/main.rs:100:60
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length 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/main.rs:100:72
[INFO] [stderr]     |
[INFO] [stderr] 100 |                     .map(|p| rectangle::square(p.0 as f64, p.1 as f64, snake.length as f64))
[INFO] [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(snake.length)`
[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]     Finished dev [unoptimized + debuginfo] target(s) in 58.25s
[INFO] running `"docker" "inspect" "52c292ce1fba29e226b7406d10a8e4c69a7b058039e3c816e7e19a939a285392"`
[INFO] running `"docker" "rm" "-f" "52c292ce1fba29e226b7406d10a8e4c69a7b058039e3c816e7e19a939a285392"`
[INFO] [stdout] 52c292ce1fba29e226b7406d10a8e4c69a7b058039e3c816e7e19a939a285392