[INFO] crate primg 0.1.0 is already in cache
[INFO] extracting crate primg 0.1.0 into work/ex/clippy-test-run/sources/stable/reg/primg/0.1.0
[INFO] extracting crate primg 0.1.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/primg/0.1.0
[INFO] validating manifest of primg-0.1.0 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 primg-0.1.0 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 primg-0.1.0
[INFO] finished frobbing primg-0.1.0
[INFO] frobbed toml for primg-0.1.0 written to work/ex/clippy-test-run/sources/stable/reg/primg/0.1.0/Cargo.toml
[INFO] started frobbing primg-0.1.0
[INFO] finished frobbing primg-0.1.0
[INFO] frobbed toml for primg-0.1.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/primg/0.1.0/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 primg-0.1.0 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/primg/0.1.0:/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] e1897c81476b30afeac47bebf888fd812c2b57d6e1f1aadfde0f5d8213520832
[INFO] running `"docker" "start" "-a" "e1897c81476b30afeac47bebf888fd812c2b57d6e1f1aadfde0f5d8213520832"`
[INFO] [stderr]     Checking primg v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:386:17
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut b = bx as i32;
[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: 5th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:417:17
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let mut b = bx as i32;
[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/shape.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         let s = (((ry * ry - dy * dy) as f32).sqrt() * aspect) as i32;
[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/shape.rs:499:9
[INFO] [stderr]     |
[INFO] [stderr] 499 |     let n = maxy - miny + 1;
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let t = j as f32 / (count - 1) as f32;
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:526:13
[INFO] [stderr]     |
[INFO] [stderr] 526 |         let a = max(mins[i as usize], 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: 7th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:527:13
[INFO] [stderr]     |
[INFO] [stderr] 527 |         let b = min(maxs[i as usize], w - 1);
[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/util.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 let p = buf.as_mut_ptr();
[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/shape.rs:386:17
[INFO] [stderr]     |
[INFO] [stderr] 386 |         let mut b = bx as i32;
[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: 5th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:417:17
[INFO] [stderr]     |
[INFO] [stderr] 417 |         let mut b = bx as i32;
[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/shape.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         let s = (((ry * ry - dy * dy) as f32).sqrt() * aspect) as i32;
[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/shape.rs:499:9
[INFO] [stderr]     |
[INFO] [stderr] 499 |     let n = maxy - miny + 1;
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:513:17
[INFO] [stderr]     |
[INFO] [stderr] 513 |             let t = j as f32 / (count - 1) as f32;
[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: 6th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:526:13
[INFO] [stderr]     |
[INFO] [stderr] 526 |         let a = max(mins[i as usize], 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: 7th binding whose name is just one char
[INFO] [stderr]    --> src/shape.rs:527:13
[INFO] [stderr]     |
[INFO] [stderr] 527 |         let b = min(maxs[i as usize], w - 1);
[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/util.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |                 let p = buf.as_mut_ptr();
[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 return statement
[INFO] [stderr]    --> src/core.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         return Color::new(r as u8, g as u8, b as u8, alpha);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(r as u8, g as u8, b as u8, alpha)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scanline.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             return false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scanline.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             return true;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/shape.rs:398:5
[INFO] [stderr]     |
[INFO] [stderr] 398 |     return count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/shape.rs:427:5
[INFO] [stderr]     |
[INFO] [stderr] 427 |     return count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider using `_i` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider using `_h` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/core.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |         return Color::new(r as u8, g as u8, b as u8, alpha);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(r as u8, g as u8, b as u8, alpha)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scanline.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |             return false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scanline.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             return true;
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/shape.rs:398:5
[INFO] [stderr]     |
[INFO] [stderr] 398 |     return count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/shape.rs:427:5
[INFO] [stderr]     |
[INFO] [stderr] 427 |     return count;
[INFO] [stderr]     |     ^^^^^^^^^^^^^ help: remove `return` as shown: `count`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |                                                      ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn erase(&mut self, color: &Color) {
[INFO] [stderr]    |                                    ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 r += c.r() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 g += c.g() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:68:22
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 b += c.b() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let a = 0xffff / (alpha as i32);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: try: `i32::from(alpha)`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/core.rs:87:26
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 for _ in line.x1..line.x2 + 1 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:88:30
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     let tr = *target.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/core.rs:88:56
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     let tr = *target.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:89:30
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     let tg = *target.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:90:30
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     let tb = *target.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let cr = *self.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/core.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let cr = *self.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:92:30
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let cg = *self.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:93:30
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     let cb = *self.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:120:37
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn draw_lines(&mut self, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]     |                                     ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:133:26
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 let dr = pa[0] as i32 - pb[0] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:133:41
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 let dr = pa[0] as i32 - pb[0] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 let dg = pa[1] as i32 - pb[1] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 let dg = pa[1] as i32 - pb[1] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let db = pa[2] as i32 - pb[2] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let db = pa[2] as i32 - pb[2] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let da = pa[3] as i32 - pb[3] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[3])`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let da = pa[3] as i32 - pb[3] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[3])`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/core.rs:154:26
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 for _ in line.x1..line.x2 + 1 {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:155:57
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:155:73
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:155:99
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:156:31
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     let dg1 = *target.buf.get_unchecked(i + 1) as i32 - *before.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:156:73
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     let dg1 = *target.buf.get_unchecked(i + 1) as i32 - *before.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:157:31
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let db1 = *target.buf.get_unchecked(i + 2) as i32 - *before.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:157:73
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let db1 = *target.buf.get_unchecked(i + 2) as i32 - *before.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:158:31
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     let da1 = *target.buf.get_unchecked(i + 3) as i32 - *before.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:158:73
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     let da1 = *target.buf.get_unchecked(i + 3) as i32 - *before.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:160:31
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:160:57
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:160:73
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:160:98
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let dg2 = *target.buf.get_unchecked(i + 1) as i32 - *after.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:161:73
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let dg2 = *target.buf.get_unchecked(i + 1) as i32 - *after.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:162:31
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let db2 = *target.buf.get_unchecked(i + 2) as i32 - *after.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:162:73
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let db2 = *target.buf.get_unchecked(i + 2) as i32 - *after.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let da2 = *target.buf.get_unchecked(i + 3) as i32 - *after.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:163:73
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let da2 = *target.buf.get_unchecked(i + 3) as i32 - *after.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 3))`
[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/core.rs:185:16
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:37
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:58
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:77
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: try: `u32::from(a)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:202:14
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn r(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:206:14
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn g(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:210:14
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn b(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn a(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/model.rs:118:54
[INFO] [stderr]     |
[INFO] [stderr] 118 |                                 c.r(), c.g(), c.b(), c.a() as f32 / 255.0);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^ help: try: `f32::from(c.a())`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/scanline.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         (0..h + 1).map(|_| Scanline::empty()).collect()
[INFO] [stderr]    |         ^^^^^^^^^^ help: use: `(0..=h)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/shape.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | / fn mutate_triangle(w: i32, h: i32, rng: &mut StdRng,
[INFO] [stderr] 217 | |                    x1: &mut i32, y1: &mut i32,
[INFO] [stderr] 218 | |                    x2: &mut i32, y2: &mut i32,
[INFO] [stderr] 219 | |                    x3: &mut i32, y3: &mut i32) {
[INFO] [stderr] ...   |
[INFO] [stderr] 245 | |     }
[INFO] [stderr] 246 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:27
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                           ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:38
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:49
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                 ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:60
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                            ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:71
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                                       ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:82
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                                                  ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/shape.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | / fn mutate_rotated_rectangle(w: i32, h: i32, rng: &mut StdRng,
[INFO] [stderr] 322 | |                             x: &mut i32, y: &mut i32,
[INFO] [stderr] 323 | |                             sx: &mut i32, sy: &mut i32,
[INFO] [stderr] 324 | |                             angle: &mut i32) {
[INFO] [stderr] ...   |
[INFO] [stderr] 337 | |     }
[INFO] [stderr] 338 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/shape.rs:340:1
[INFO] [stderr]     |
[INFO] [stderr] 340 | / fn rasterize_triangle<'a>(w: i32, h: i32,
[INFO] [stderr] 341 | |                           mut x1: i32, mut y1: i32,
[INFO] [stderr] 342 | |                           mut x2: i32, mut y2: i32,
[INFO] [stderr] 343 | |                           mut x3: i32, mut y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 369 | |     }
[INFO] [stderr] 370 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/shape.rs:372:1
[INFO] [stderr]     |
[INFO] [stderr] 372 | / fn rasterize_triangle_bottom(w: i32, h: i32,
[INFO] [stderr] 373 | |                              x1: i32, y1: i32,
[INFO] [stderr] 374 | |                              x2: i32, y2: i32,
[INFO] [stderr] 375 | |                              x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 398 | |     return count;
[INFO] [stderr] 399 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/shape.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | / fn rasterize_triangle_top<'a>(w: i32, h: i32,
[INFO] [stderr] 402 | |                               x1: i32, y1: i32,
[INFO] [stderr] 403 | |                               x2: i32, y2: i32,
[INFO] [stderr] 404 | |                               x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     return count;
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/shape.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | / fn rasterize_triangle_top<'a>(w: i32, h: i32,
[INFO] [stderr] 402 | |                               x1: i32, y1: i32,
[INFO] [stderr] 403 | |                               x2: i32, y2: i32,
[INFO] [stderr] 404 | |                               x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     return count;
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/shape.rs:472:14
[INFO] [stderr]     |
[INFO] [stderr] 472 |     for y in y1..y2 + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^ help: use: `y1..=y2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/shape.rs:481:1
[INFO] [stderr]     |
[INFO] [stderr] 481 | / fn rasterize_rotated_rectangle<'a>(w: i32, h: i32,
[INFO] [stderr] 482 | |                                    x: i32, y: i32,
[INFO] [stderr] 483 | |                                    sx: i32, sy: i32,
[INFO] [stderr] 484 | |                                    angle: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 536 | |     &buf[0..count as usize]
[INFO] [stderr] 537 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/util.rs:40:58
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                                          ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let aa = a.a() as u32;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.a())`
[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/util.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let ar = a.r() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let ag = a.g() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let ab = a.b() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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: an inclusive range would be more readable
[INFO] [stderr]   --> src/util.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for _ in line.x1..(line.x2 + 1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/util.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let p0 = p.offset(i + 0);
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let ba = *p3 as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p3)`
[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/util.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let br = *p0 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p0)`
[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/util.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let bg = *p1 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p1)`
[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/util.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let bb = *p2 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p2)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/util.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn erase(buf: &mut [u8], color: &Color) {
[INFO] [stderr]    |                                     ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/shape.rs:502:9
[INFO] [stderr]     |
[INFO] [stderr] 502 |     for i in 0..n {
[INFO] [stderr]     |         ^ help: consider using `_i` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/util.rs:40:45
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                             ^ help: consider using `_h` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `put`
[INFO] [stderr]   --> src/core.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_rgba`
[INFO] [stderr]    --> src/core.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core.rs:47:54
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn put(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stderr]    |                                                      ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/core.rs:55:36
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn erase(&mut self, color: &Color) {
[INFO] [stderr]    |                                    ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 r += c.r() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u8 to u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |                 g += c.g() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u64 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:68:22
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 b += c.b() as u64;
[INFO] [stderr]    |                      ^^^^^^^^^^^^ help: try: `u64::from(c.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 u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |         let a = 0xffff / (alpha as i32);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^ help: try: `i32::from(alpha)`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/core.rs:87:26
[INFO] [stderr]    |
[INFO] [stderr] 87 |                 for _ in line.x1..line.x2 + 1 {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:88:30
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     let tr = *target.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/core.rs:88:56
[INFO] [stderr]    |
[INFO] [stderr] 88 |                     let tr = *target.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                                                        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:89:30
[INFO] [stderr]    |
[INFO] [stderr] 89 |                     let tg = *target.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:90:30
[INFO] [stderr]    |
[INFO] [stderr] 90 |                     let tb = *target.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:91:30
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let cr = *self.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/core.rs:91:54
[INFO] [stderr]    |
[INFO] [stderr] 91 |                     let cr = *self.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]    |                                                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:92:30
[INFO] [stderr]    |
[INFO] [stderr] 92 |                     let cg = *self.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]   --> src/core.rs:93:30
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     let cb = *self.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*self.buf.get_unchecked(i + 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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:120:37
[INFO] [stderr]     |
[INFO] [stderr] 120 |     pub fn draw_lines(&mut self, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]     |                                     ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:133:26
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 let dr = pa[0] as i32 - pb[0] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:133:41
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 let dr = pa[0] as i32 - pb[0] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:134:26
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 let dg = pa[1] as i32 - pb[1] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:134:41
[INFO] [stderr]     |
[INFO] [stderr] 134 |                 let dg = pa[1] as i32 - pb[1] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:135:26
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let db = pa[2] as i32 - pb[2] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:135:41
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 let db = pa[2] as i32 - pb[2] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let da = pa[3] as i32 - pb[3] as i32;
[INFO] [stderr]     |                          ^^^^^^^^^^^^ help: try: `i32::from(pa[3])`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |                 let da = pa[3] as i32 - pb[3] as i32;
[INFO] [stderr]     |                                         ^^^^^^^^^^^^ help: try: `i32::from(pb[3])`
[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: an inclusive range would be more readable
[INFO] [stderr]    --> src/core.rs:154:26
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 for _ in line.x1..line.x2 + 1 {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:155:31
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:155:57
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:155:73
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:155:99
[INFO] [stderr]     |
[INFO] [stderr] 155 |                     let dr1 = *target.buf.get_unchecked(i + 0) as i32 - *before.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:156:31
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     let dg1 = *target.buf.get_unchecked(i + 1) as i32 - *before.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:156:73
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     let dg1 = *target.buf.get_unchecked(i + 1) as i32 - *before.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:157:31
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let db1 = *target.buf.get_unchecked(i + 2) as i32 - *before.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:157:73
[INFO] [stderr]     |
[INFO] [stderr] 157 |                     let db1 = *target.buf.get_unchecked(i + 2) as i32 - *before.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:158:31
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     let da1 = *target.buf.get_unchecked(i + 3) as i32 - *before.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:158:73
[INFO] [stderr]     |
[INFO] [stderr] 158 |                     let da1 = *target.buf.get_unchecked(i + 3) as i32 - *before.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*before.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:160:31
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:160:57
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:160:73
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]    --> src/core.rs:160:98
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     let dr2 = *target.buf.get_unchecked(i + 0) as i32 - *after.buf.get_unchecked(i + 0) as i32;
[INFO] [stderr]     |                                                                                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:161:31
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let dg2 = *target.buf.get_unchecked(i + 1) as i32 - *after.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:161:73
[INFO] [stderr]     |
[INFO] [stderr] 161 |                     let dg2 = *target.buf.get_unchecked(i + 1) as i32 - *after.buf.get_unchecked(i + 1) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:162:31
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let db2 = *target.buf.get_unchecked(i + 2) as i32 - *after.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:162:73
[INFO] [stderr]     |
[INFO] [stderr] 162 |                     let db2 = *target.buf.get_unchecked(i + 2) as i32 - *after.buf.get_unchecked(i + 2) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let da2 = *target.buf.get_unchecked(i + 3) as i32 - *after.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*target.buf.get_unchecked(i + 3))`
[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 i32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:163:73
[INFO] [stderr]     |
[INFO] [stderr] 163 |                     let da2 = *target.buf.get_unchecked(i + 3) as i32 - *after.buf.get_unchecked(i + 3) as i32;
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::from(*after.buf.get_unchecked(i + 3))`
[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/core.rs:185:16
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:37
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:58
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                                          ^^^^^^^^^^ help: try: `u32::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 u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/core.rs:185:77
[INFO] [stderr]     |
[INFO] [stderr] 185 |         Color(((r as u32) << 24) | ((g as u32) << 16) | ((b as u32) << 8) | a as u32)
[INFO] [stderr]     |                                                                             ^^^^^^^^ help: try: `u32::from(a)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn to_rgba(&self) -> Rgba<u8> {
[INFO] [stderr]     |                    ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:202:14
[INFO] [stderr]     |
[INFO] [stderr] 202 |     pub fn r(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:206:14
[INFO] [stderr]     |
[INFO] [stderr] 206 |     pub fn g(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:210:14
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub fn b(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/core.rs:214:14
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn a(&self) -> u8 {
[INFO] [stderr]     |              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/model.rs:118:54
[INFO] [stderr]     |
[INFO] [stderr] 118 |                                 c.r(), c.g(), c.b(), c.a() as f32 / 255.0);
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^ help: try: `f32::from(c.a())`
[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: an inclusive range would be more readable
[INFO] [stderr]   --> src/scanline.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         (0..h + 1).map(|_| Scanline::empty()).collect()
[INFO] [stderr]    |         ^^^^^^^^^^ help: use: `(0..=h)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/shape.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | / fn mutate_triangle(w: i32, h: i32, rng: &mut StdRng,
[INFO] [stderr] 217 | |                    x1: &mut i32, y1: &mut i32,
[INFO] [stderr] 218 | |                    x2: &mut i32, y2: &mut i32,
[INFO] [stderr] 219 | |                    x3: &mut i32, y3: &mut i32) {
[INFO] [stderr] ...   |
[INFO] [stderr] 245 | |     }
[INFO] [stderr] 246 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::too_many_arguments)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:27
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                           ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:38
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                      ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:49
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                 ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:60
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                            ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:71
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                                       ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/shape.rs:248:82
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn is_valid_triangle(tx1: &i32, ty1: &i32, tx2: &i32, ty2: &i32, tx3: &i32, ty3: &i32) -> bool {
[INFO] [stderr]     |                                                                                  ^^^^ help: consider passing by value instead: `i32`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/shape.rs:321:1
[INFO] [stderr]     |
[INFO] [stderr] 321 | / fn mutate_rotated_rectangle(w: i32, h: i32, rng: &mut StdRng,
[INFO] [stderr] 322 | |                             x: &mut i32, y: &mut i32,
[INFO] [stderr] 323 | |                             sx: &mut i32, sy: &mut i32,
[INFO] [stderr] 324 | |                             angle: &mut i32) {
[INFO] [stderr] ...   |
[INFO] [stderr] 337 | |     }
[INFO] [stderr] 338 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (9/7)
[INFO] [stderr]    --> src/shape.rs:340:1
[INFO] [stderr]     |
[INFO] [stderr] 340 | / fn rasterize_triangle<'a>(w: i32, h: i32,
[INFO] [stderr] 341 | |                           mut x1: i32, mut y1: i32,
[INFO] [stderr] 342 | |                           mut x2: i32, mut y2: i32,
[INFO] [stderr] 343 | |                           mut x3: i32, mut y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 369 | |     }
[INFO] [stderr] 370 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/shape.rs:372:1
[INFO] [stderr]     |
[INFO] [stderr] 372 | / fn rasterize_triangle_bottom(w: i32, h: i32,
[INFO] [stderr] 373 | |                              x1: i32, y1: i32,
[INFO] [stderr] 374 | |                              x2: i32, y2: i32,
[INFO] [stderr] 375 | |                              x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 398 | |     return count;
[INFO] [stderr] 399 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]    --> src/shape.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | / fn rasterize_triangle_top<'a>(w: i32, h: i32,
[INFO] [stderr] 402 | |                               x1: i32, y1: i32,
[INFO] [stderr] 403 | |                               x2: i32, y2: i32,
[INFO] [stderr] 404 | |                               x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     return count;
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (10/7)
[INFO] [stderr]    --> src/shape.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | / fn rasterize_triangle_top<'a>(w: i32, h: i32,
[INFO] [stderr] 402 | |                               x1: i32, y1: i32,
[INFO] [stderr] 403 | |                               x2: i32, y2: i32,
[INFO] [stderr] 404 | |                               x3: i32, y3: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 427 | |     return count;
[INFO] [stderr] 428 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/shape.rs:472:14
[INFO] [stderr]     |
[INFO] [stderr] 472 |     for y in y1..y2 + 1 {
[INFO] [stderr]     |              ^^^^^^^^^^ help: use: `y1..=y2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: this function has too many arguments (8/7)
[INFO] [stderr]    --> src/shape.rs:481:1
[INFO] [stderr]     |
[INFO] [stderr] 481 | / fn rasterize_rotated_rectangle<'a>(w: i32, h: i32,
[INFO] [stderr] 482 | |                                    x: i32, y: i32,
[INFO] [stderr] 483 | |                                    sx: i32, sy: i32,
[INFO] [stderr] 484 | |                                    angle: i32,
[INFO] [stderr] ...   |
[INFO] [stderr] 536 | |     &buf[0..count as usize]
[INFO] [stderr] 537 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/util.rs:40:58
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn draw_lines(buf: &mut [u8], w: usize, h: usize, a: &Color, lines: &[Scanline]) {
[INFO] [stderr]    |                                                          ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:41:14
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let aa = a.a() as u32;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.a())`
[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/util.rs:42:14
[INFO] [stderr]    |
[INFO] [stderr] 42 |     let ar = a.r() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:43:14
[INFO] [stderr]    |
[INFO] [stderr] 43 |     let ag = a.g() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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 u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let ab = a.b() as u32 * aa;
[INFO] [stderr]    |              ^^^^^^^^^^^^ help: try: `u32::from(a.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: an inclusive range would be more readable
[INFO] [stderr]   --> src/util.rs:48:22
[INFO] [stderr]    |
[INFO] [stderr] 48 |             for _ in line.x1..(line.x2 + 1) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: use: `line.x1..=line.x2`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `i`
[INFO] [stderr]   --> src/util.rs:50:35
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let p0 = p.offset(i + 0);
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:55:26
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 let ba = *p3 as u32;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p3)`
[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/util.rs:56:26
[INFO] [stderr]    |
[INFO] [stderr] 56 |                 let br = *p0 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p0)`
[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/util.rs:57:26
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let bg = *p1 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p1)`
[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/util.rs:58:26
[INFO] [stderr]    |
[INFO] [stderr] 58 |                 let bb = *p2 as u32 * ba;
[INFO] [stderr]    |                          ^^^^^^^^^^ help: try: `u32::from(*p2)`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/util.rs:71:37
[INFO] [stderr]    |
[INFO] [stderr] 71 | pub fn erase(buf: &mut [u8], color: &Color) {
[INFO] [stderr]    |                                     ^^^^^^ help: consider passing by value instead: `Color`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `"docker" "inspect" "e1897c81476b30afeac47bebf888fd812c2b57d6e1f1aadfde0f5d8213520832"`
[INFO] running `"docker" "rm" "-f" "e1897c81476b30afeac47bebf888fd812c2b57d6e1f1aadfde0f5d8213520832"`
[INFO] [stdout] e1897c81476b30afeac47bebf888fd812c2b57d6e1f1aadfde0f5d8213520832