[INFO] updating cached repository team-rust/snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/team-rust/snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/team-rust/snake" "work/ex/clippy-test-run/sources/stable/gh/team-rust/snake"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/team-rust/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/team-rust/snake" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/team-rust/snake"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/team-rust/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7157efa247c4dc4bbe670c81cd9a48ff88f5bf03
[INFO] sha for GitHub repo team-rust/snake: 7157efa247c4dc4bbe670c81cd9a48ff88f5bf03
[INFO] validating manifest of team-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 team-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 team-rust/snake
[INFO] finished frobbing team-rust/snake
[INFO] frobbed toml for team-rust/snake written to work/ex/clippy-test-run/sources/stable/gh/team-rust/snake/Cargo.toml
[INFO] started frobbing team-rust/snake
[INFO] finished frobbing team-rust/snake
[INFO] frobbed toml for team-rust/snake written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/team-rust/snake/Cargo.toml
[INFO] crate team-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 team-rust/snake against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/team-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] da5c43f46ad51eb125a780a413d36f1bece6f553baf1cab697a966a0154a5b3b
[INFO] running `"docker" "start" "-a" "da5c43f46ad51eb125a780a413d36f1bece6f553baf1cab697a966a0154a5b3b"`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling serde v0.8.19
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling gcc v0.3.39
[INFO] [stderr]     Checking bitflags v0.6.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]     Checking piston-float v0.2.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking shader_version v0.2.1
[INFO] [stderr]     Checking linked-hash-map v0.0.10
[INFO] [stderr]     Checking read_color v0.1.0
[INFO] [stderr]     Checking piston-texture v0.5.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]     Checking draw_state v0.6.0
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]     Checking piston-viewport v0.2.0
[INFO] [stderr]     Checking vecmath v0.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking stb_truetype v0.2.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking arrayvec v0.3.20
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]     Checking pistoncore-input v0.15.0
[INFO] [stderr]     Checking piston2d-graphics v0.19.0
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]    Compiling wayland-scanner v0.7.6
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]     Checking rusttype v0.2.1
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling glutin v0.7.0
[INFO] [stderr]    Compiling gl v0.6.1
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.8
[INFO] [stderr]     Checking pistoncore-window v0.24.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]     Checking pistoncore-event_loop v0.27.0
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking piston v0.27.0
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.7.6
[INFO] [stderr]     Checking gfx v0.12.2
[INFO] [stderr]     Checking gfx_device_gl v0.11.2
[INFO] [stderr]     Checking wayland-window v0.4.2
[INFO] [stderr]     Checking wayland-kbd v0.6.2
[INFO] [stderr]     Checking winit v0.5.6
[INFO] [stderr]     Checking piston-gfx_texture v0.18.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.33.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston_window v0.58.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             window: window,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `window`
[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/main.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             snake: snake,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `snake`
[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/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             fruit: fruit,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `fruit`
[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/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             x: x,
[INFO] [stderr]     |             ^^^^ help: replace it with: `x`
[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/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             y: y,
[INFO] [stderr]     |             ^^^^ help: replace it with: `y`
[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/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |             window: window,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `window`
[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/main.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             snake: snake,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `snake`
[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/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             fruit: fruit,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `fruit`
[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/main.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |             x: x,
[INFO] [stderr]     |             ^^^^ help: replace it with: `x`
[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/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             y: y,
[INFO] [stderr]     |             ^^^^ help: replace it with: `y`
[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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match *e {
[INFO] [stderr] 30 | |             Event::Input(ref inp) => {
[INFO] [stderr] 31 | |                 match *inp {
[INFO] [stderr] 32 | |                     Input::Press(but) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |             _ => {}
[INFO] [stderr] 45 | |         }
[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] 29 |         if let Event::Input(ref inp) = *e {
[INFO] [stderr] 30 |     match *inp {
[INFO] [stderr] 31 |         Input::Press(but) => {
[INFO] [stderr] 32 |             match but {
[INFO] [stderr] 33 |                 Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] 34 |                 Button::Keyboard(Key::Down) => self.snake.dir(Direction::Down),
[INFO] [stderr]  ...
[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/main.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 | /                 match *inp {
[INFO] [stderr] 32 | |                     Input::Press(but) => {
[INFO] [stderr] 33 | |                         match but {
[INFO] [stderr] 34 | |                             Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |                     _ => {}
[INFO] [stderr] 42 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[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] 31 |                 if let Input::Press(but) = *inp {
[INFO] [stderr] 32 |     match but {
[INFO] [stderr] 33 |         Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] 34 |         Button::Keyboard(Key::Down) => self.snake.dir(Direction::Down),
[INFO] [stderr] 35 |         Button::Keyboard(Key::Left) => self.snake.dir(Direction::Left),
[INFO] [stderr] 36 |         Button::Keyboard(Key::Right) => self.snake.dir(Direction::Right),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                ^^^^^^^^ help: consider comparing them within some error: `(sx - fx).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                            ^^^^^^^^ help: consider comparing them within some error: `(sy - fy).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let ref mut snake = self.snake;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let snake = &mut self.snake;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let ref mut fruit = self.fruit;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let fruit = &mut self.fruit;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `snake`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 | /         match *e {
[INFO] [stderr] 30 | |             Event::Input(ref inp) => {
[INFO] [stderr] 31 | |                 match *inp {
[INFO] [stderr] 32 | |                     Input::Press(but) => {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |             _ => {}
[INFO] [stderr] 45 | |         }
[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] 29 |         if let Event::Input(ref inp) = *e {
[INFO] [stderr] 30 |     match *inp {
[INFO] [stderr] 31 |         Input::Press(but) => {
[INFO] [stderr] 32 |             match but {
[INFO] [stderr] 33 |                 Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] 34 |                 Button::Keyboard(Key::Down) => self.snake.dir(Direction::Down),
[INFO] [stderr]  ...
[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/main.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 | /                 match *inp {
[INFO] [stderr] 32 | |                     Input::Press(but) => {
[INFO] [stderr] 33 | |                         match but {
[INFO] [stderr] 34 | |                             Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] ...  |
[INFO] [stderr] 41 | |                     _ => {}
[INFO] [stderr] 42 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[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] 31 |                 if let Input::Press(but) = *inp {
[INFO] [stderr] 32 |     match but {
[INFO] [stderr] 33 |         Button::Keyboard(Key::Up) => self.snake.dir(Direction::Up),
[INFO] [stderr] 34 |         Button::Keyboard(Key::Down) => self.snake.dir(Direction::Down),
[INFO] [stderr] 35 |         Button::Keyboard(Key::Left) => self.snake.dir(Direction::Left),
[INFO] [stderr] 36 |         Button::Keyboard(Key::Right) => self.snake.dir(Direction::Right),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                ^^^^^^^^ help: consider comparing them within some error: `(sx - fx).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:55:16
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                            ^^^^^^^^ help: consider comparing them within some error: `(sy - fy).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/main.rs:55:28
[INFO] [stderr]    |
[INFO] [stderr] 55 |             if sx == fx && sy == fy {
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |             let ref mut snake = self.snake;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let snake = &mut self.snake;`
[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: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:60:17
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let ref mut fruit = self.fruit;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^-------------- help: try: `let fruit = &mut self.fruit;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `snake`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "da5c43f46ad51eb125a780a413d36f1bece6f553baf1cab697a966a0154a5b3b"`
[INFO] running `"docker" "rm" "-f" "da5c43f46ad51eb125a780a413d36f1bece6f553baf1cab697a966a0154a5b3b"`
[INFO] [stdout] da5c43f46ad51eb125a780a413d36f1bece6f553baf1cab697a966a0154a5b3b