[INFO] crate dcpu16-gui 0.2.0 is already in cache
[INFO] extracting crate dcpu16-gui 0.2.0 into work/ex/clippy-test-run/sources/stable/reg/dcpu16-gui/0.2.0
[INFO] extracting crate dcpu16-gui 0.2.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dcpu16-gui/0.2.0
[INFO] validating manifest of dcpu16-gui-0.2.0 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 dcpu16-gui-0.2.0 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 dcpu16-gui-0.2.0
[INFO] finished frobbing dcpu16-gui-0.2.0
[INFO] frobbed toml for dcpu16-gui-0.2.0 written to work/ex/clippy-test-run/sources/stable/reg/dcpu16-gui/0.2.0/Cargo.toml
[INFO] started frobbing dcpu16-gui-0.2.0
[INFO] finished frobbing dcpu16-gui-0.2.0
[INFO] frobbed toml for dcpu16-gui-0.2.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dcpu16-gui/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dcpu16-gui-0.2.0 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/reg/dcpu16-gui/0.2.0:/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] a33ecb398624eb596b15374f7011a0383f93d1f9391ef6fe7ce3b84c423981a1
[INFO] running `"docker" "start" "-a" "a33ecb398624eb596b15374f7011a0383f93d1f9391ef6fe7ce3b84c423981a1"`
[INFO] [stderr]     Checking dcpu16 v0.1.0
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.27.0
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking pistoncore-glutin_window v0.33.0
[INFO] [stderr]     Checking piston v0.27.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.36.2
[INFO] [stderr]     Checking gfx v0.12.2
[INFO] [stderr]     Checking gfx_device_gl v0.11.2
[INFO] [stderr]     Checking piston-gfx_texture v0.18.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.33.2
[INFO] [stderr]     Checking piston_window v0.58.0
[INFO] [stderr]     Checking dcpu16-gui v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 | const DEFAULT_FONT: &'static [u16] = &[
[INFO] [stderr]    |                     -^^^^^^^------ help: consider removing `'static`: `&[u16]`
[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/main.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 | const DEFAULT_PALETTE: &'static [u16] = &[
[INFO] [stderr]    |                        -^^^^^^^------ help: consider removing `'static`: `&[u16]`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 | const LOGO_PIXELS: &'static [usize] = &[
[INFO] [stderr]    |                    -^^^^^^^-------- help: consider removing `'static`: `&[usize]`
[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 unit return type
[INFO] [stderr]    --> src/main.rs:232:53
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn process_interrupt(&mut self, cpu: &mut DCPU) -> () {
[INFO] [stderr]     |                                                     ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:398:35
[INFO] [stderr]     |
[INFO] [stderr] 398 |                     img.put_pixel((k as u32 % MONITOR_WIDTH), k as u32 / MONITOR_WIDTH as u32, color);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let mut slice = &mut v[..];
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `GUIHWMonitorLEM1802`
[INFO] [stderr]    --> src/main.rs:93:5
[INFO] [stderr]     |
[INFO] [stderr] 93  | /     pub fn new() -> GUIHWMonitorLEM1802 {
[INFO] [stderr] 94  | |         GUIHWMonitorLEM1802{
[INFO] [stderr] 95  | |             connected: false,
[INFO] [stderr] 96  | |             ram_location: 0,
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |         }
[INFO] [stderr] 101 | |     }
[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] 24  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 ((cpu.mem[(loc as usize + c * 2) % dcpu::MEMORY_SIZE] as u32) << 16) +
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(cpu.mem[(loc as usize + c * 2) % dcpu::MEMORY_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:18
[INFO] [stderr]     |
[INFO] [stderr] 132 |                  (cpu.mem[(loc as usize + c * 2 + 1) % dcpu::MEMORY_SIZE] as u32)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(cpu.mem[(loc as usize + c * 2 + 1) % dcpu::MEMORY_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 ((DEFAULT_FONT[c * 2] as u32) << 16) +
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(DEFAULT_FONT[c * 2])`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:136:18
[INFO] [stderr]     |
[INFO] [stderr] 136 |                  (DEFAULT_FONT[c * 2 + 1] as u32)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(DEFAULT_FONT[c * 2 + 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: the loop variable `i` is used to index `DEFAULT_FONT`
[INFO] [stderr]    --> src/main.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 for i in 0..DEFAULT_FONT.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] 263 |                 for (i, <item>) in DEFAULT_FONT.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `DEFAULT_PALETTE`
[INFO] [stderr]    --> src/main.rs:269:26
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 for i in 0..DEFAULT_PALETTE.len() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] 269 |                 for (i, <item>) in DEFAULT_PALETTE.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let ref filename = matches.free[0];
[INFO] [stderr]     |     ----^^^^^^^^^^^^------------------- help: try: `let filename = &matches.free[0];`
[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: The function/method `<piston_window::Texture>::from_image` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:371:79
[INFO] [stderr]     |
[INFO] [stderr] 371 |     let mut texture = piston_window::Texture::from_image(&mut window.factory, &mut img, &text_sett).unwrap();
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/main.rs:390:16
[INFO] [stderr]     |
[INFO] [stderr] 390 |           if let Some(_) = e.render_args() {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 391 | |             // TODO: Make the speed a setting
[INFO] [stderr] 392 | |             cpu.run(3000);
[INFO] [stderr] 393 | |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 407 | |             }
[INFO] [stderr] 408 | |         }
[INFO] [stderr]     | |_________- help: try this: `if e.render_args().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:393:23
[INFO] [stderr]     |
[INFO] [stderr] 393 |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&cpu.devices[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:410:23
[INFO] [stderr]     |
[INFO] [stderr] 410 |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&cpu.devices[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:413:39
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: try: `f32::from(col_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/main.rs:413:61
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: try: `f32::from(col_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/main.rs:413:83
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^ help: try: `f32::from(col_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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:416:28
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^ help: try: `f64::from(BORDER)`
[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:416:43
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: try: `f64::from(BORDER)`
[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:416:63
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: try: `f64::from(SCALE)`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 | const DEFAULT_FONT: &'static [u16] = &[
[INFO] [stderr]    |                     -^^^^^^^------ help: consider removing `'static`: `&[u16]`
[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/main.rs:66:25
[INFO] [stderr]    |
[INFO] [stderr] 66 | const DEFAULT_PALETTE: &'static [u16] = &[
[INFO] [stderr]    |                        -^^^^^^^------ help: consider removing `'static`: `&[u16]`
[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: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:72:21
[INFO] [stderr]    |
[INFO] [stderr] 72 | const LOGO_PIXELS: &'static [usize] = &[
[INFO] [stderr]    |                    -^^^^^^^-------- help: consider removing `'static`: `&[usize]`
[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 unit return type
[INFO] [stderr]    --> src/main.rs:232:53
[INFO] [stderr]     |
[INFO] [stderr] 232 |     fn process_interrupt(&mut self, cpu: &mut DCPU) -> () {
[INFO] [stderr]     |                                                     ^^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/main.rs:398:35
[INFO] [stderr]     |
[INFO] [stderr] 398 |                     img.put_pixel((k as u32 % MONITOR_WIDTH), k as u32 / MONITOR_WIDTH as u32, color);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |             let mut slice = &mut v[..];
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `GUIHWMonitorLEM1802`
[INFO] [stderr]    --> src/main.rs:93:5
[INFO] [stderr]     |
[INFO] [stderr] 93  | /     pub fn new() -> GUIHWMonitorLEM1802 {
[INFO] [stderr] 94  | |         GUIHWMonitorLEM1802{
[INFO] [stderr] 95  | |             connected: false,
[INFO] [stderr] 96  | |             ram_location: 0,
[INFO] [stderr] ...   |
[INFO] [stderr] 100 | |         }
[INFO] [stderr] 101 | |     }
[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] 24  | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:131:18
[INFO] [stderr]     |
[INFO] [stderr] 131 |                 ((cpu.mem[(loc as usize + c * 2) % dcpu::MEMORY_SIZE] as u32) << 16) +
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(cpu.mem[(loc as usize + c * 2) % dcpu::MEMORY_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:132:18
[INFO] [stderr]     |
[INFO] [stderr] 132 |                  (cpu.mem[(loc as usize + c * 2 + 1) % dcpu::MEMORY_SIZE] as u32)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(cpu.mem[(loc as usize + c * 2 + 1) % dcpu::MEMORY_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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:135:18
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 ((DEFAULT_FONT[c * 2] as u32) << 16) +
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(DEFAULT_FONT[c * 2])`
[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 u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:136:18
[INFO] [stderr]     |
[INFO] [stderr] 136 |                  (DEFAULT_FONT[c * 2 + 1] as u32)
[INFO] [stderr]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(DEFAULT_FONT[c * 2 + 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: the loop variable `i` is used to index `DEFAULT_FONT`
[INFO] [stderr]    --> src/main.rs:263:26
[INFO] [stderr]     |
[INFO] [stderr] 263 |                 for i in 0..DEFAULT_FONT.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] 263 |                 for (i, <item>) in DEFAULT_FONT.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `DEFAULT_PALETTE`
[INFO] [stderr]    --> src/main.rs:269:26
[INFO] [stderr]     |
[INFO] [stderr] 269 |                 for i in 0..DEFAULT_PALETTE.len() {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[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] 269 |                 for (i, <item>) in DEFAULT_PALETTE.iter().enumerate() {
[INFO] [stderr]     |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/main.rs:304:9
[INFO] [stderr]     |
[INFO] [stderr] 304 |     let ref filename = matches.free[0];
[INFO] [stderr]     |     ----^^^^^^^^^^^^------------------- help: try: `let filename = &matches.free[0];`
[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: The function/method `<piston_window::Texture>::from_image` doesn't need a mutable reference
[INFO] [stderr]    --> src/main.rs:371:79
[INFO] [stderr]     |
[INFO] [stderr] 371 |     let mut texture = piston_window::Texture::from_image(&mut window.factory, &mut img, &text_sett).unwrap();
[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: redundant pattern matching, consider using `is_some()`
[INFO] [stderr]    --> src/main.rs:390:16
[INFO] [stderr]     |
[INFO] [stderr] 390 |           if let Some(_) = e.render_args() {
[INFO] [stderr]     |  _________-      ^^^^^^^
[INFO] [stderr] 391 | |             // TODO: Make the speed a setting
[INFO] [stderr] 392 | |             cpu.run(3000);
[INFO] [stderr] 393 | |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr] ...   |
[INFO] [stderr] 407 | |             }
[INFO] [stderr] 408 | |         }
[INFO] [stderr]     | |_________- help: try this: `if e.render_args().is_some()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_pattern_matching)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:393:23
[INFO] [stderr]     |
[INFO] [stderr] 393 |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&cpu.devices[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a Vec. Using `[]` is more clear and more concise
[INFO] [stderr]    --> src/main.rs:410:23
[INFO] [stderr]     |
[INFO] [stderr] 410 |             let dev = cpu.devices.get(0).unwrap();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&cpu.devices[0]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:413:39
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^ help: try: `f32::from(col_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/main.rs:413:61
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^ help: try: `f32::from(col_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/main.rs:413:83
[INFO] [stderr]     |
[INFO] [stderr] 413 |                 piston_window::clear([col_r as f32 / 255.0, col_g as f32 / 255.0, col_b as f32 / 255.0, 1.0], g);
[INFO] [stderr]     |                                                                                   ^^^^^^^^^^^^ help: try: `f32::from(col_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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:416:28
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^ help: try: `f64::from(BORDER)`
[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:416:43
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^ help: try: `f64::from(BORDER)`
[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:416:63
[INFO] [stderr]     |
[INFO] [stderr] 416 |                     .trans(BORDER as f64, BORDER as f64).zoom(SCALE as f64), g);
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^ help: try: `f64::from(SCALE)`
[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 48.88s
[INFO] running `"docker" "inspect" "a33ecb398624eb596b15374f7011a0383f93d1f9391ef6fe7ce3b84c423981a1"`
[INFO] running `"docker" "rm" "-f" "a33ecb398624eb596b15374f7011a0383f93d1f9391ef6fe7ce3b84c423981a1"`
[INFO] [stdout] a33ecb398624eb596b15374f7011a0383f93d1f9391ef6fe7ce3b84c423981a1