[INFO] updating cached repository LukeEuler/huahua
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LukeEuler/huahua
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LukeEuler/huahua" "work/ex/clippy-test-run/sources/stable/gh/LukeEuler/huahua"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LukeEuler/huahua'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LukeEuler/huahua" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LukeEuler/huahua"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LukeEuler/huahua'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d393e3233a2acf1dc964d9153db6b9da6aea14f3
[INFO] sha for GitHub repo LukeEuler/huahua: d393e3233a2acf1dc964d9153db6b9da6aea14f3
[INFO] validating manifest of LukeEuler/huahua 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 LukeEuler/huahua 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 LukeEuler/huahua
[INFO] finished frobbing LukeEuler/huahua
[INFO] frobbed toml for LukeEuler/huahua written to work/ex/clippy-test-run/sources/stable/gh/LukeEuler/huahua/Cargo.toml
[INFO] started frobbing LukeEuler/huahua
[INFO] finished frobbing LukeEuler/huahua
[INFO] frobbed toml for LukeEuler/huahua written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LukeEuler/huahua/Cargo.toml
[INFO] crate LukeEuler/huahua has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting LukeEuler/huahua against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/LukeEuler/huahua:/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] 71cf9b236aaf9ab934c97b8974f1847e53210395c045c1b75a9b55767531731e
[INFO] running `"docker" "start" "-a" "71cf9b236aaf9ab934c97b8974f1847e53210395c045c1b75a9b55767531731e"`
[INFO] [stderr]     Checking serde_json v1.0.15
[INFO] [stderr]     Checking huahua v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     return [hue, lumination, saturation];
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[hue, lumination, saturation]`
[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/ops/filters.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         return m1 + (m2 - m1) * hue * 6.0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `m1 + (m2 - m1) * hue * 6.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         return m2;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `m2`
[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/ops/filters.rs:358:9
[INFO] [stderr]     |
[INFO] [stderr] 358 |         return m1 + (m2 - m1) * ((2.0 / 3.0) - hue) * 6.0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `m1 + (m2 - m1) * ((2.0 / 3.0) - hue) * 6.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         return m1;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `m1`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/ops/blend_points.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     rhs
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/ops/blend_points.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let rhs = x1.wrapping_add(x2);
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:295:5
[INFO] [stderr]     |
[INFO] [stderr] 295 |     return [hue, lumination, saturation];
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `[hue, lumination, saturation]`
[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/ops/filters.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         return m1 + (m2 - m1) * hue * 6.0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `m1 + (m2 - m1) * hue * 6.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:356:9
[INFO] [stderr]     |
[INFO] [stderr] 356 |         return m2;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `m2`
[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/ops/filters.rs:358:9
[INFO] [stderr]     |
[INFO] [stderr] 358 |         return m1 + (m2 - m1) * ((2.0 / 3.0) - hue) * 6.0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `m1 + (m2 - m1) * ((2.0 / 3.0) - hue) * 6.0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/ops/filters.rs:360:9
[INFO] [stderr]     |
[INFO] [stderr] 360 |         return m1;
[INFO] [stderr]     |         ^^^^^^^^^^ help: remove `return` as shown: `m1`
[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: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]  --> src/ops/blend_points.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     rhs
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]  --> src/ops/blend_points.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let rhs = x1.wrapping_add(x2);
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let max: f32 = max as f32;
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f32::from(max)`
[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let c: f32 = b as f32;
[INFO] [stderr]    |                              ^^^^^^^^ help: try: `f32::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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut r = channels[0] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut g = channels[1] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut b = channels[2] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/ops/filters.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         r = r + (depth * 2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `r += (depth * 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/ops/filters.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         g = g + depth;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: replace it with: `g += depth`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let f = b as f32;
[INFO] [stderr]    |                 ^^^^^^^^ help: try: `f32::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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/ops/filters.rs:75:62
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn fill_with_channels(width: u32, height: u32, channels: &[u8; 4]) -> ImageBuffer<Rgba<u8>, Vec<u8>>
[INFO] [stderr]    |                                                              ^^^^^^^^ help: consider passing by value instead: `[u8; 4]`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let a = channels[3] as f32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let r = ((channels[0] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let g = ((channels[1] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let b = ((channels[2] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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/ops/filters.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 | fn rgb_to_hls(rgba: &[u8; 4]) -> [f32; 3] {
[INFO] [stderr]     |                     ^^^^^^^^ help: consider passing by value instead: `[u8; 4]`
[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/ops/filters.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let r = rgba[0] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/filters.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let g = rgba[1] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/filters.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let b = rgba[2] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     if max == min {
[INFO] [stderr]     |        ^^^^^^^^^^ help: consider comparing them within some error: `(max - min).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     if max == min {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 |     if r == max {
[INFO] [stderr]     |        ^^^^^^^^ help: consider comparing them within some error: `(r - max).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 |     if r == max {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:284:15
[INFO] [stderr]     |
[INFO] [stderr] 284 |     } else if g == max {
[INFO] [stderr]     |               ^^^^^^^^ help: consider comparing them within some error: `(g - max).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:284:15
[INFO] [stderr]     |
[INFO] [stderr] 284 |     } else if g == max {
[INFO] [stderr]     |               ^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let x1 = x1 as u16;
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let x2 = x2 as u16;
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `u16::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let x1: u16 = x1 as u16;
[INFO] [stderr]    |                       ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let x2: u16 = x2 as u16;
[INFO] [stderr]    |                       ^^^^^^^^^ help: try: `u16::from(x2)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:49:14
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let x1 = x1 as i16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i16::from(x1)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x2 = x2 as i16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i16::from(x2)`
[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/ops/blend_points.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let x1 = x1 as u32;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u32::from(x1)`
[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/ops/blend_points.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let x2 = x2 as u32;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u32::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let x1 = x1 as u16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let x2 = x2 as u16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u16::from(x2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let x1: f32 = x1 as f32;
[INFO] [stderr]    |                   ^^^^^^^^^ help: try: `f32::from(x1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let x2: f32 = x2 as f32;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `f32::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let x1 = x1 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let x2 = x2 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:126:19
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let x1: u16 = x1 as u16;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let x2: u16 = x2 as u16;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `u16::from(x2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let f2 = x2 as f32;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `f32::from(x2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let shifted = (x1 >> 1) as f32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: try: `f32::from(x1 >> 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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let x1 = x1 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:145:14
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let x2 = x2 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x2)`
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/ops/color_ops.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let op: ColorOps = ops_map.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ops_map[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/ops/blend_ops.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let bb: Blend = blend_map.get(&name).unwrap().clone();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&blend_map[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let max: f32 = max as f32;
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f32::from(max)`
[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] error: Could not compile `huahua`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:21:30
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let c: f32 = b as f32;
[INFO] [stderr]    |                              ^^^^^^^^ help: try: `f32::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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |         let mut r = channels[0] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         let mut g = channels[1] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:46:21
[INFO] [stderr]    |
[INFO] [stderr] 46 |         let mut b = channels[2] as u16;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(channels[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: manual implementation of an assign operation
[INFO] [stderr]   --> src/ops/filters.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         r = r + (depth * 2);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^ help: replace it with: `r += (depth * 2)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/ops/filters.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         g = g + depth;
[INFO] [stderr]    |         ^^^^^^^^^^^^^ help: replace it with: `g += depth`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |         let f = b as f32;
[INFO] [stderr]    |                 ^^^^^^^^ help: try: `f32::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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/ops/filters.rs:75:62
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub fn fill_with_channels(width: u32, height: u32, channels: &[u8; 4]) -> ImageBuffer<Rgba<u8>, Vec<u8>>
[INFO] [stderr]    |                                                              ^^^^^^^^ help: consider passing by value instead: `[u8; 4]`
[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: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let a = channels[3] as f32;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:78:14
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let r = ((channels[0] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:79:14
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let g = ((channels[1] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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 f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/filters.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |     let b = ((channels[2] as f32) * a / 255.0) as u8;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(channels[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/ops/filters.rs:259:21
[INFO] [stderr]     |
[INFO] [stderr] 259 | fn rgb_to_hls(rgba: &[u8; 4]) -> [f32; 3] {
[INFO] [stderr]     |                     ^^^^^^^^ help: consider passing by value instead: `[u8; 4]`
[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/ops/filters.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |     let r = rgba[0] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/filters.rs:261:13
[INFO] [stderr]     |
[INFO] [stderr] 261 |     let g = rgba[1] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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 f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/filters.rs:262:13
[INFO] [stderr]     |
[INFO] [stderr] 262 |     let b = rgba[2] as f32 / 255.0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: try: `f32::from(rgba[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     if max == min {
[INFO] [stderr]     |        ^^^^^^^^^^ help: consider comparing them within some error: `(max - min).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:271:8
[INFO] [stderr]     |
[INFO] [stderr] 271 |     if max == min {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 |     if r == max {
[INFO] [stderr]     |        ^^^^^^^^ help: consider comparing them within some error: `(r - max).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 |     if r == max {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/ops/filters.rs:284:15
[INFO] [stderr]     |
[INFO] [stderr] 284 |     } else if g == max {
[INFO] [stderr]     |               ^^^^^^^^ help: consider comparing them within some error: `(g - max).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/ops/filters.rs:284:15
[INFO] [stderr]     |
[INFO] [stderr] 284 |     } else if g == max {
[INFO] [stderr]     |               ^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let x1 = x1 as u16;
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let x2 = x2 as u16;
[INFO] [stderr]    |                  ^^^^^^^^^ help: try: `u16::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:31:23
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let x1: u16 = x1 as u16;
[INFO] [stderr]    |                       ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |         let x2: u16 = x2 as u16;
[INFO] [stderr]    |                       ^^^^^^^^^ help: try: `u16::from(x2)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:49:14
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let x1 = x1 as i16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i16::from(x1)`
[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 i16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x2 = x2 as i16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `i16::from(x2)`
[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/ops/blend_points.rs:56:14
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let x1 = x1 as u32;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u32::from(x1)`
[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/ops/blend_points.rs:57:14
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let x2 = x2 as u32;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u32::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:92:14
[INFO] [stderr]    |
[INFO] [stderr] 92 |     let x1 = x1 as u16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:93:14
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let x2 = x2 as u16;
[INFO] [stderr]    |              ^^^^^^^^^ help: try: `u16::from(x2)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/ops/blend_points.rs:99:19
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let x1: f32 = x1 as f32;
[INFO] [stderr]    |                   ^^^^^^^^^ help: try: `f32::from(x1)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     let x2: f32 = x2 as f32;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `f32::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:106:14
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let x1 = x1 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:107:14
[INFO] [stderr]     |
[INFO] [stderr] 107 |     let x2 = x2 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x2)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:126:19
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let x1: u16 = x1 as u16;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:127:19
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let x2: u16 = x2 as u16;
[INFO] [stderr]     |                   ^^^^^^^^^ help: try: `u16::from(x2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:133:14
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let f2 = x2 as f32;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `f32::from(x2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:134:19
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let shifted = (x1 >> 1) as f32;
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^ help: try: `f32::from(x1 >> 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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:144:14
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let x1 = x1 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x1)`
[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 u16 may become silently lossy if types change
[INFO] [stderr]    --> src/ops/blend_points.rs:145:14
[INFO] [stderr]     |
[INFO] [stderr] 145 |     let x2 = x2 as u16;
[INFO] [stderr]     |              ^^^^^^^^^ help: try: `u16::from(x2)`
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/ops/color_ops.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 |         let op: ColorOps = ops_map.get(&name).unwrap().clone();
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&ops_map[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/ops/blend_ops.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let bb: Blend = blend_map.get(&name).unwrap().clone();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&blend_map[&name]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `huahua`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "71cf9b236aaf9ab934c97b8974f1847e53210395c045c1b75a9b55767531731e"`
[INFO] running `"docker" "rm" "-f" "71cf9b236aaf9ab934c97b8974f1847e53210395c045c1b75a9b55767531731e"`
[INFO] [stdout] 71cf9b236aaf9ab934c97b8974f1847e53210395c045c1b75a9b55767531731e