[INFO] updating cached repository polygon/allcolors-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/polygon/allcolors-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/polygon/allcolors-rs" "work/ex/clippy-test-run/sources/stable/gh/polygon/allcolors-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/polygon/allcolors-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/polygon/allcolors-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/polygon/allcolors-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/polygon/allcolors-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6ae40304b8936283bbd74dcfd932869fb3a8d888
[INFO] sha for GitHub repo polygon/allcolors-rs: 6ae40304b8936283bbd74dcfd932869fb3a8d888
[INFO] validating manifest of polygon/allcolors-rs 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 polygon/allcolors-rs 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 polygon/allcolors-rs
[INFO] finished frobbing polygon/allcolors-rs
[INFO] frobbed toml for polygon/allcolors-rs written to work/ex/clippy-test-run/sources/stable/gh/polygon/allcolors-rs/Cargo.toml
[INFO] started frobbing polygon/allcolors-rs
[INFO] finished frobbing polygon/allcolors-rs
[INFO] frobbed toml for polygon/allcolors-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/polygon/allcolors-rs/Cargo.toml
[INFO] crate polygon/allcolors-rs 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 polygon/allcolors-rs 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/polygon/allcolors-rs:/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] 0725e581449680cef09c1d3e9653dadfe25d764ee7c85255816bd9f46c38d3d7
[INFO] running `"docker" "start" "-a" "0725e581449680cef09c1d3e9653dadfe25d764ee7c85255816bd9f46c38d3d7"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] [stderr]    Compiling khronos_api v2.1.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking libloading v0.4.3
[INFO] [stderr]    Compiling wayland-scanner v0.12.5
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]     Checking x11-dl v2.17.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling glium v0.20.0
[INFO] [stderr]    Compiling glutin v0.12.0
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking allcolors-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/colortree.rs:51:67
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 cube: Cube { tl: offset, br: offset + (size - 1), size: size },
[INFO] [stderr]    |                                                                   ^^^^^^^^^^ help: replace it with: `size`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/imagemap.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (r, g, b) = color;
[INFO] [stderr]    |                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/colortree.rs:51:67
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 cube: Cube { tl: offset, br: offset + (size - 1), size: size },
[INFO] [stderr]    |                                                                   ^^^^^^^^^^ help: replace it with: `size`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/imagemap.rs:57:39
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Some(&Pixel::Placed(r, g, b)) => Some((r, g, b)),
[INFO] [stderr]    |                                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/allcolors.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             aspect: aspect,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `aspect`
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    |
[INFO] [stderr]   --> src/imagemap.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let (r, g, b) = color;
[INFO] [stderr]    |                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::many_single_char_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]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/allcolors.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             bits: bits,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `bits`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/imagemap.rs:57:39
[INFO] [stderr]    |
[INFO] [stderr] 57 |             Some(&Pixel::Placed(r, g, b)) => Some((r, g, b)),
[INFO] [stderr]    |                                       ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/allcolors.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stderr]    |                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/allcolors.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             aspect: aspect,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `aspect`
[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/allcolors.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             bits: bits,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `bits`
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/allcolors.rs:51:32
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let (mut r, mut g, mut b) = (0.0, 0.0, 0.0);
[INFO] [stderr]    |                                ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/allcolors.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |         } else { () }
[INFO] [stderr]    |                  ^^ help: remove the final `()`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 31 | |             if !self.saved {
[INFO] [stderr] 32 | |                 self.saved = true;
[INFO] [stderr] 33 | |                 let mut im = image::ImageBuffer::new(self.allcolors.width as u32, self.allcolors.height as u32);
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |             }
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 30 |         } else if !self.saved {
[INFO] [stderr] 31 |     self.saved = true;
[INFO] [stderr] 32 |     let mut im = image::ImageBuffer::new(self.allcolors.width as u32, self.allcolors.height as u32);
[INFO] [stderr] 33 |     let v = self.allcolors.to_image();
[INFO] [stderr] 34 |     for i in 0..self.allcolors.width {
[INFO] [stderr] 35 |         for j in 0..self.allcolors.height {
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/display.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         thread::sleep_ms(10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]   --> src/allcolors.rs:43:18
[INFO] [stderr]    |
[INFO] [stderr] 43 |         } else { () }
[INFO] [stderr]    |                  ^^ help: remove the final `()`
[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: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:30:16
[INFO] [stderr]    |
[INFO] [stderr] 30 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 31 | |             if !self.saved {
[INFO] [stderr] 32 | |                 self.saved = true;
[INFO] [stderr] 33 | |                 let mut im = image::ImageBuffer::new(self.allcolors.width as u32, self.allcolors.height as u32);
[INFO] [stderr] ...  |
[INFO] [stderr] 42 | |             }
[INFO] [stderr] 43 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 30 |         } else if !self.saved {
[INFO] [stderr] 31 |     self.saved = true;
[INFO] [stderr] 32 |     let mut im = image::ImageBuffer::new(self.allcolors.width as u32, self.allcolors.height as u32);
[INFO] [stderr] 33 |     let v = self.allcolors.to_image();
[INFO] [stderr] 34 |     for i in 0..self.allcolors.width {
[INFO] [stderr] 35 |         for j in 0..self.allcolors.height {
[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/display.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 | /             match ev {
[INFO] [stderr] 76 | |                 glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 77 | |                     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 78 | |                     _ => (),
[INFO] [stderr] 79 | |                 },
[INFO] [stderr] 80 | |                 _ => (),
[INFO] [stderr] 81 | |             }
[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] 75 |             if let glutin::Event::WindowEvent { event, .. } = ev { match event {
[INFO] [stderr] 76 |     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 77 |     _ => (),
[INFO] [stderr] 78 | } }
[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/display.rs:76:61
[INFO] [stderr]    |
[INFO] [stderr] 76 |                   glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr]    |  _____________________________________________________________^
[INFO] [stderr] 77 | |                     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 78 | |                     _ => (),
[INFO] [stderr] 79 | |                 },
[INFO] [stderr]    | |_________________^ help: try this: `if let glutin::WindowEvent::Closed = event { closed = true }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/colortree.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 | /                 match active {
[INFO] [stderr] 68 | |                     true => {
[INFO] [stderr] 69 | |                         let dist = from.dist(pos);
[INFO] [stderr] 70 | |                         if radius > dist {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |                     false => None
[INFO] [stderr] 75 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 if active {
[INFO] [stderr] 68 |     let dist = from.dist(pos);
[INFO] [stderr] 69 |     if radius > dist {
[INFO] [stderr] 70 |         Some((*pos, dist))
[INFO] [stderr] 71 |     } else { None }
[INFO] [stderr] 72 | } else { None }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/colortree.rs:81:54
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 let mut distances: Vec<_> = children.into_iter()
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/colortree.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 if *active == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try simplifying it as shown: `*active`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/colortree.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 if children[idx].remove(point) == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `children[idx].remove(point)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:149:18
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let dr = self.r as i64 - other.r as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.r)`
[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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:149:34
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let dr = self.r as i64 - other.r as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:150:18
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let dg = self.g as i64 - other.g as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:150:34
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let dg = self.g as i64 - other.g as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let db = self.b as i64 - other.b as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let db = self.b as i64 - other.b as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:48
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:71
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:87
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:29
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:48
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:71
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:87
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:48
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:71
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:87
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/imagemap.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | /                 match self.get(x as i32 + i, y as i32 + j) {
[INFO] [stderr] 35 | |                     Some(&Pixel::Free) => {
[INFO] [stderr] 36 | |                         let px = (x as i32 + i) as usize;
[INFO] [stderr] 37 | |                         let py = (y as i32 + j) as usize;
[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] 34 |                 if let Some(&Pixel::Free) = self.get(x as i32 + i, y as i32 + j) {
[INFO] [stderr] 35 |     let px = (x as i32 + i) as usize;
[INFO] [stderr] 36 |     let py = (y as i32 + j) as usize;
[INFO] [stderr] 37 |     self.open.push((px, py));
[INFO] [stderr] 38 |     self.data[px][py] = Pixel::Marked;
[INFO] [stderr] 39 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/imagemap.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |           if !((0 <= x) && (x < self.width as i32)) ||
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 49 | |            !((0 <= y) && (y < self.height as i32)) {
[INFO] [stderr]    | |__________________________________________________^ help: try: `!((0 <= x) && (x < self.width as i32) && (0 <= y) && (y < self.height as i32))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `out`
[INFO] [stderr]   --> src/imagemap.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..self.width {
[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] 79 |         for (i, <item>) in out.iter_mut().enumerate().take(self.width) {
[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/imagemap.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 | /                 match self.data[i][j] {
[INFO] [stderr] 82 | |                     Pixel::Placed (r, g, b) => {
[INFO] [stderr] 83 | |                         out[i][j] = (r, g, b);
[INFO] [stderr] 84 | |                     }
[INFO] [stderr] 85 | |                     _ => ()
[INFO] [stderr] 86 | |                 }
[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] 81 |                 if let Pixel::Placed (r, g, b) = self.data[i][j] {
[INFO] [stderr] 82 |     out[i][j] = (r, g, b);
[INFO] [stderr] 83 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let colors = 2u32.pow(3*bits) as f64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2u32.pow(3*bits))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^ help: try: `u32::from(color.0)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:66
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^ help: try: `u32::from(color.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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:85
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^^^^ help: try: `u32::from(color.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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:77
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^ help: try: `u32::from(ar)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:91
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                                           ^^^^^^^^^ help: try: `u32::from(ag)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:105
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                                                         ^^^^^^^^^ help: try: `u32::from(ab)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     r += (nr as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(nr)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     g += (ng as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(ng)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     b += (nb as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(nb)`
[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/allcolors.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let fac: f64 = 256. / 2f64.powf(self.bits as f64);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(self.bits)`
[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 `v`.
[INFO] [stderr]   --> src/allcolors.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for mut x in 0..self.width {
[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] 76 |         for <item> in v.iter_mut().take(self.width) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:78:29
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 v[x][y] = ((v[x][y].0 as f64 * fac) as u8,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].0)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |                            (v[x][y].1 as f64 * fac) as u8,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].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 u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |                            (v[x][y].2 as f64 * fac) as u8);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].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: the loop variable `i` is used to index `v`
[INFO] [stderr]   --> src/main.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 for i in 0..self.allcolors.width {
[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] 35 |                 for (i, <item>) in v.iter().enumerate().take(self.allcolors.width) {
[INFO] [stderr]    |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/display.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         thread::sleep_ms(10);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[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/display.rs:75:13
[INFO] [stderr]    |
[INFO] [stderr] 75 | /             match ev {
[INFO] [stderr] 76 | |                 glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr] 77 | |                     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 78 | |                     _ => (),
[INFO] [stderr] 79 | |                 },
[INFO] [stderr] 80 | |                 _ => (),
[INFO] [stderr] 81 | |             }
[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] 75 |             if let glutin::Event::WindowEvent { event, .. } = ev { match event {
[INFO] [stderr] 76 |     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 77 |     _ => (),
[INFO] [stderr] 78 | } }
[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/display.rs:76:61
[INFO] [stderr]    |
[INFO] [stderr] 76 |                   glutin::Event::WindowEvent { event, .. } => match event {
[INFO] [stderr]    |  _____________________________________________________________^
[INFO] [stderr] 77 | |                     glutin::WindowEvent::Closed => closed = true,
[INFO] [stderr] 78 | |                     _ => (),
[INFO] [stderr] 79 | |                 },
[INFO] [stderr]    | |_________________^ help: try this: `if let glutin::WindowEvent::Closed = event { closed = true }`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to match on a boolean expression
[INFO] [stderr]   --> src/colortree.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 | /                 match active {
[INFO] [stderr] 68 | |                     true => {
[INFO] [stderr] 69 | |                         let dist = from.dist(pos);
[INFO] [stderr] 70 | |                         if radius > dist {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |                     false => None
[INFO] [stderr] 75 | |                 }
[INFO] [stderr]    | |_________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::match_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_bool
[INFO] [stderr] help: consider using an if/else expression
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 if active {
[INFO] [stderr] 68 |     let dist = from.dist(pos);
[INFO] [stderr] 69 |     if radius > dist {
[INFO] [stderr] 70 |         Some((*pos, dist))
[INFO] [stderr] 71 |     } else { None }
[INFO] [stderr] 72 | } else { None }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the Vec
[INFO] [stderr]   --> src/colortree.rs:81:54
[INFO] [stderr]    |
[INFO] [stderr] 81 |                 let mut distances: Vec<_> = children.into_iter()
[INFO] [stderr]    |                                                      ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/colortree.rs:106:20
[INFO] [stderr]     |
[INFO] [stderr] 106 |                 if *active == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^ help: try simplifying it as shown: `*active`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/colortree.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |                 if children[idx].remove(point) == true {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try simplifying it as shown: `children[idx].remove(point)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:149:18
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let dr = self.r as i64 - other.r as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.r)`
[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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:149:34
[INFO] [stderr]     |
[INFO] [stderr] 149 |         let dr = self.r as i64 - other.r as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:150:18
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let dg = self.g as i64 - other.g as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:150:34
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let dg = self.g as i64 - other.g as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:151:18
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let db = self.b as i64 - other.b as i64;
[INFO] [stderr]     |                  ^^^^^^^^^^^^^ help: try: `i64::from(self.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:151:34
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let db = self.b as i64 - other.b as i64;
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^ help: try: `i64::from(other.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:29
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:48
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:71
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:158:87
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let dr = max(max(0, self.tl.r as i64 - from.r as i64), max(0, from.r as i64 - self.br.r as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:29
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:48
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:71
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:159:87
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let dg = max(max(0, self.tl.g as i64 - from.g as i64), max(0, from.g as i64 - self.br.g as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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 u32 to i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.tl.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:48
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^ help: try: `i64::from(from.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:71
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `i64::from(from.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 i64 may become silently lossy if types change
[INFO] [stderr]    --> src/colortree.rs:160:87
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let db = max(max(0, self.tl.b as i64 - from.b as i64), max(0, from.b as i64 - self.br.b as i64));
[INFO] [stderr]     |                                                                                       ^^^^^^^^^^^^^^^^ help: try: `i64::from(self.br.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]   --> src/imagemap.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | /                 match self.get(x as i32 + i, y as i32 + j) {
[INFO] [stderr] 35 | |                     Some(&Pixel::Free) => {
[INFO] [stderr] 36 | |                         let px = (x as i32 + i) as usize;
[INFO] [stderr] 37 | |                         let py = (y as i32 + j) as usize;
[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] 34 |                 if let Some(&Pixel::Free) = self.get(x as i32 + i, y as i32 + j) {
[INFO] [stderr] 35 |     let px = (x as i32 + i) as usize;
[INFO] [stderr] 36 |     let py = (y as i32 + j) as usize;
[INFO] [stderr] 37 |     self.open.push((px, py));
[INFO] [stderr] 38 |     self.data[px][py] = Pixel::Marked;
[INFO] [stderr] 39 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/imagemap.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |           if !((0 <= x) && (x < self.width as i32)) ||
[INFO] [stderr]    |  ____________^
[INFO] [stderr] 49 | |            !((0 <= y) && (y < self.height as i32)) {
[INFO] [stderr]    | |__________________________________________________^ help: try: `!((0 <= x) && (x < self.width as i32) && (0 <= y) && (y < self.height as i32))`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is used to index `out`
[INFO] [stderr]   --> src/imagemap.rs:79:18
[INFO] [stderr]    |
[INFO] [stderr] 79 |         for i in 0..self.width {
[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] 79 |         for (i, <item>) in out.iter_mut().enumerate().take(self.width) {
[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/imagemap.rs:81:17
[INFO] [stderr]    |
[INFO] [stderr] 81 | /                 match self.data[i][j] {
[INFO] [stderr] 82 | |                     Pixel::Placed (r, g, b) => {
[INFO] [stderr] 83 | |                         out[i][j] = (r, g, b);
[INFO] [stderr] 84 | |                     }
[INFO] [stderr] 85 | |                     _ => ()
[INFO] [stderr] 86 | |                 }
[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] 81 |                 if let Pixel::Placed (r, g, b) = self.data[i][j] {
[INFO] [stderr] 82 |     out[i][j] = (r, g, b);
[INFO] [stderr] 83 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:17:22
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let colors = 2u32.pow(3*bits) as f64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(2u32.pow(3*bits))`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^ help: try: `u32::from(color.0)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:66
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^ help: try: `u32::from(color.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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:31:85
[INFO] [stderr]    |
[INFO] [stderr] 31 |         self.ctree.remove(colortree::Point{r: color.0 as u32, g: color.1 as u32, b: color.2 as u32});
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^^^^ help: try: `u32::from(color.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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:77
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                             ^^^^^^^^^ help: try: `u32::from(ar)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:91
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                                           ^^^^^^^^^ help: try: `u32::from(ag)`
[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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:37:105
[INFO] [stderr]    |
[INFO] [stderr] 37 |             if let Some((Point{r, g, b}, ..)) = self.ctree.nearest(Point{r: ar as u32, g: ag as u32, b: ab as u32}) {
[INFO] [stderr]    |                                                                                                         ^^^^^^^^^ help: try: `u32::from(ab)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |                     r += (nr as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(nr)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |                     g += (ng as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(ng)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |                     b += (nb as f64).powf(2.);
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: try: `f64::from(nb)`
[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/allcolors.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let fac: f64 = 256. / 2f64.powf(self.bits as f64);
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ help: try: `f64::from(self.bits)`
[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 `v`.
[INFO] [stderr]   --> src/allcolors.rs:76:22
[INFO] [stderr]    |
[INFO] [stderr] 76 |         for mut x in 0..self.width {
[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] 76 |         for <item> in v.iter_mut().take(self.width) {
[INFO] [stderr]    |             ^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:78:29
[INFO] [stderr]    |
[INFO] [stderr] 78 |                 v[x][y] = ((v[x][y].0 as f64 * fac) as u8,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].0)`
[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 f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:79:29
[INFO] [stderr]    |
[INFO] [stderr] 79 |                            (v[x][y].1 as f64 * fac) as u8,
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].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 u8 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/allcolors.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |                            (v[x][y].2 as f64 * fac) as u8);
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^ help: try: `f64::from(v[x][y].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: the loop variable `i` is used to index `v`
[INFO] [stderr]   --> src/main.rs:35:26
[INFO] [stderr]    |
[INFO] [stderr] 35 |                 for i in 0..self.allcolors.width {
[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] 35 |                 for (i, <item>) in v.iter().enumerate().take(self.allcolors.width) {
[INFO] [stderr]    |                     ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.53s
[INFO] running `"docker" "inspect" "0725e581449680cef09c1d3e9653dadfe25d764ee7c85255816bd9f46c38d3d7"`
[INFO] running `"docker" "rm" "-f" "0725e581449680cef09c1d3e9653dadfe25d764ee7c85255816bd9f46c38d3d7"`
[INFO] [stdout] 0725e581449680cef09c1d3e9653dadfe25d764ee7c85255816bd9f46c38d3d7