[INFO] updating cached repository CTJeffries/Fives
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CTJeffries/Fives
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CTJeffries/Fives" "work/ex/clippy-test-run/sources/stable/gh/CTJeffries/Fives"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/CTJeffries/Fives'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CTJeffries/Fives" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CTJeffries/Fives"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CTJeffries/Fives'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75f3eedb1a513167c6d1cc36c89a0edaadde09e7
[INFO] sha for GitHub repo CTJeffries/Fives: 75f3eedb1a513167c6d1cc36c89a0edaadde09e7
[INFO] validating manifest of CTJeffries/Fives 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 CTJeffries/Fives 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 CTJeffries/Fives
[INFO] finished frobbing CTJeffries/Fives
[INFO] frobbed toml for CTJeffries/Fives written to work/ex/clippy-test-run/sources/stable/gh/CTJeffries/Fives/Cargo.toml
[INFO] started frobbing CTJeffries/Fives
[INFO] finished frobbing CTJeffries/Fives
[INFO] frobbed toml for CTJeffries/Fives written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/CTJeffries/Fives/Cargo.toml
[INFO] crate CTJeffries/Fives 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 CTJeffries/Fives against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/CTJeffries/Fives:/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] fc8aab3288e909f49f916b70d28867cba1ec9fde8de47da2aa518503d2fce81c
[INFO] running `"docker" "start" "-a" "fc8aab3288e909f49f916b70d28867cba1ec9fde8de47da2aa518503d2fce81c"`
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking fives v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/gameboard_graphics.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             settings: settings,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `settings`
[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/gameboard_graphics.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |             settings: settings,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `settings`
[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: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             return false
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |             return true
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             return Some(self.cells[current_cell[1]][current_cell[0]].to_string())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(self.cells[current_cell[1]][current_cell[0]].to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         return self.cells[current_cell[1]][current_cell[0]]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cells[current_cell[1]][current_cell[0]]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard_graphics.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         return color
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `color`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:178:13
[INFO] [stderr]     |
[INFO] [stderr] 178 |             return false
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: remove `return` as shown: `false`
[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: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:183:13
[INFO] [stderr]     |
[INFO] [stderr] 183 |             return true
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:190:13
[INFO] [stderr]     |
[INFO] [stderr] 190 |             return Some(self.cells[current_cell[1]][current_cell[0]].to_string())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(self.cells[current_cell[1]][current_cell[0]].to_string())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:193:13
[INFO] [stderr]     |
[INFO] [stderr] 193 |             return None
[INFO] [stderr]     |             ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard.rs:200:9
[INFO] [stderr]     |
[INFO] [stderr] 200 |         return self.cells[current_cell[1]][current_cell[0]]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cells[current_cell[1]][current_cell[0]]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gameboard_graphics.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         return color
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `color`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unused`
[INFO] [stderr]    --> src/gameboard_graphics.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         for unused in 0..((val as f64 / 5.0).log2() as usize / 6) {
[INFO] [stderr]     |             ^^^^^^ help: consider using `_unused` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gameboard::Gameboard`
[INFO] [stderr]   --> src/gameboard.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     pub fn new() -> Gameboard {
[INFO] [stderr] 32 | |         Gameboard {
[INFO] [stderr] 33 | |             cells: [[0; SIZE]; SIZE],
[INFO] [stderr] 34 | |             score: 0,
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gameboard_graphics::GameboardGraphicsSettings`
[INFO] [stderr]   --> src/gameboard_graphics.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     pub fn new() -> GameboardGraphicsSettings {
[INFO] [stderr] 36 | |         GameboardGraphicsSettings {
[INFO] [stderr] 37 | |             position: [10.0; 2],
[INFO] [stderr] 38 | |             length: 580.0,
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |         }
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/gameboard_graphics.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let ref settings = self.settings;
[INFO] [stderr]    |         ----^^^^^^^^^^^^----------------- help: try: `let settings = &self.settings;`
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gameboard_graphics.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                     text::Text::new_color(settings.text_color, 40)
[INFO] [stderr] 112 | |                         .draw(&number, glyphs, &c.draw_state,
[INFO] [stderr] 113 | |                               c.transform.trans(pos[0], pos[1]), g);
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gameboard_graphics.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         text::Text::new(50).draw(&board.get_score(), glyphs, &c.draw_state,
[INFO] [stderr] 120 | |                               c.transform.trans(20.0, settings.length + 50.0), g);
[INFO] [stderr]     | |__________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/gameboard_graphics.rs:125:45
[INFO] [stderr]     |
[INFO] [stderr] 125 |             let x = settings.position[0] + ((i as f64) / 5.0) * settings.length;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `f64::from(i)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/gameboard_graphics.rs:126:45
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let y = settings.position[1] + ((i as f64) / 5.0) * settings.length;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `f64::from(i)`
[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: the loop variable `x` is only used to index `color`.
[INFO] [stderr]    --> src/gameboard_graphics.rs:145:22
[INFO] [stderr]     |
[INFO] [stderr] 145 |             for x in 0..4 {
[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] 145 |             for <item> in &mut color {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/gameboard_graphics.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 color[x] = color[x] * 0.8;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `color[x] *= 0.8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let ref mut glyphs = GlyphCache::new("assets/FiraSans-Regular.ttf", (), texture_settings)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let glyphs = &mut GlyphCache::new("assets/FiraSans-Regular.ttf", (), texture_settings)
[INFO] [stderr] 70 |         .expect("Could not load font.");
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `unused`
[INFO] [stderr]    --> src/gameboard_graphics.rs:144:13
[INFO] [stderr]     |
[INFO] [stderr] 144 |         for unused in 0..((val as f64 / 5.0).log2() as usize / 6) {
[INFO] [stderr]     |             ^^^^^^ help: consider using `_unused` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gameboard::Gameboard`
[INFO] [stderr]   --> src/gameboard.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     pub fn new() -> Gameboard {
[INFO] [stderr] 32 | |         Gameboard {
[INFO] [stderr] 33 | |             cells: [[0; SIZE]; SIZE],
[INFO] [stderr] 34 | |             score: 0,
[INFO] [stderr] 35 | |         }
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `gameboard_graphics::GameboardGraphicsSettings`
[INFO] [stderr]   --> src/gameboard_graphics.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     pub fn new() -> GameboardGraphicsSettings {
[INFO] [stderr] 36 | |         GameboardGraphicsSettings {
[INFO] [stderr] 37 | |             position: [10.0; 2],
[INFO] [stderr] 38 | |             length: 580.0,
[INFO] [stderr] ...  |
[INFO] [stderr] 53 | |         }
[INFO] [stderr] 54 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/gameboard_graphics.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let ref settings = self.settings;
[INFO] [stderr]    |         ----^^^^^^^^^^^^----------------- help: try: `let settings = &self.settings;`
[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: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gameboard_graphics.rs:111:21
[INFO] [stderr]     |
[INFO] [stderr] 111 | /                     text::Text::new_color(settings.text_color, 40)
[INFO] [stderr] 112 | |                         .draw(&number, glyphs, &c.draw_state,
[INFO] [stderr] 113 | |                               c.transform.trans(pos[0], pos[1]), g);
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/gameboard_graphics.rs:119:9
[INFO] [stderr]     |
[INFO] [stderr] 119 | /         text::Text::new(50).draw(&board.get_score(), glyphs, &c.draw_state,
[INFO] [stderr] 120 | |                               c.transform.trans(20.0, settings.length + 50.0), g);
[INFO] [stderr]     | |__________________________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/gameboard_graphics.rs:125:45
[INFO] [stderr]     |
[INFO] [stderr] 125 |             let x = settings.position[0] + ((i as f64) / 5.0) * settings.length;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `f64::from(i)`
[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 i32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/gameboard_graphics.rs:126:45
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let y = settings.position[1] + ((i as f64) / 5.0) * settings.length;
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: try: `f64::from(i)`
[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: the loop variable `x` is only used to index `color`.
[INFO] [stderr]    --> src/gameboard_graphics.rs:145:22
[INFO] [stderr]     |
[INFO] [stderr] 145 |             for x in 0..4 {
[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] 145 |             for <item> in &mut color {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/gameboard_graphics.rs:146:17
[INFO] [stderr]     |
[INFO] [stderr] 146 |                 color[x] = color[x] * 0.8;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `color[x] *= 0.8`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let ref mut glyphs = GlyphCache::new("assets/FiraSans-Regular.ttf", (), texture_settings)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 69 |     let glyphs = &mut GlyphCache::new("assets/FiraSans-Regular.ttf", (), texture_settings)
[INFO] [stderr] 70 |         .expect("Could not load font.");
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `"docker" "inspect" "fc8aab3288e909f49f916b70d28867cba1ec9fde8de47da2aa518503d2fce81c"`
[INFO] running `"docker" "rm" "-f" "fc8aab3288e909f49f916b70d28867cba1ec9fde8de47da2aa518503d2fce81c"`
[INFO] [stdout] fc8aab3288e909f49f916b70d28867cba1ec9fde8de47da2aa518503d2fce81c