[INFO] crate select_color 0.17.0 is already in cache
[INFO] extracting crate select_color 0.17.0 into work/ex/clippy-test-run/sources/stable/reg/select_color/0.17.0
[INFO] extracting crate select_color 0.17.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/select_color/0.17.0
[INFO] validating manifest of select_color-0.17.0 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 select_color-0.17.0 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 select_color-0.17.0
[INFO] finished frobbing select_color-0.17.0
[INFO] frobbed toml for select_color-0.17.0 written to work/ex/clippy-test-run/sources/stable/reg/select_color/0.17.0/Cargo.toml
[INFO] started frobbing select_color-0.17.0
[INFO] finished frobbing select_color-0.17.0
[INFO] frobbed toml for select_color-0.17.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/select_color/0.17.0/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 select_color-0.17.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/select_color/0.17.0:/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] 09e828ec877fb4fd2f60113a06d1d902c6232b56df46959f1e00ad406227af32
[INFO] running `"docker" "start" "-a" "09e828ec877fb4fd2f60113a06d1d902c6232b56df46959f1e00ad406227af32"`
[INFO] [stderr]     Checking select_color v0.17.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/hue_saturation.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let p = (255.0 * (1.0 - saturation)) as u8;
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/hue_saturation.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let q = (255.0 * (1.0 - f * saturation)) as u8;
[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/hue_saturation.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let t = (255.0 * (1.0 - (1.0 - f) * saturation)) as u8;
[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/hue_saturation.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let t = (255.0 * (1.0 - (1.0 - f) * saturation)) as u8;
[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/hue_saturation.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let p = (255.0 * (1.0 - saturation)) as u8;
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/hue_saturation.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let q = (255.0 * (1.0 - f * saturation)) as u8;
[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/hue_saturation.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let t = (255.0 * (1.0 - (1.0 - f) * saturation)) as u8;
[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/hue_saturation.rs:72:17
[INFO] [stderr]    |
[INFO] [stderr] 72 |             let t = (255.0 * (1.0 - (1.0 - f) * saturation)) as u8;
[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: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let inv_rect_width = 1.0_f64 / rect[2] as f64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `f64::from(rect[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let half_inv_rect_height = 0.5_f64 / rect[3] as f64;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let fx = (x - rect[0]) as f64 * inv_rect_width;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(x - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let saturation = (y - rect[1]) as f64 * half_inv_rect_height;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(y - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:57:36
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let inv_rect_width = 1.0_f64 / rect[2] as f64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:58:42
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let half_inv_rect_height = 0.5_f64 / rect[3] as f64;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let fx = (x - rect[0]) as f64 * inv_rect_width;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(x - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let saturation = (y - rect[1]) as f64 * half_inv_rect_height;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(y - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:11:36
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let inv_rect_width = 1.0_f64 / rect[2] as f64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `f64::from(rect[2])`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:12:42
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let half_inv_rect_height = 0.5_f64 / rect[3] as f64;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:15:14
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let fx = (x - rect[0]) as f64 * inv_rect_width;
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(x - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let saturation = (y - rect[1]) as f64 * half_inv_rect_height;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(y - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:57:36
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let inv_rect_width = 1.0_f64 / rect[2] as f64;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:58:42
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let half_inv_rect_height = 0.5_f64 / rect[3] as f64;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^ help: try: `f64::from(rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |             let fx = (x - rect[0]) as f64 * inv_rect_width;
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(x - rect[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/hue_saturation.rs:65:30
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let saturation = (y - rect[1]) as f64 * half_inv_rect_height;
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(y - rect[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]     Finished dev [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `"docker" "inspect" "09e828ec877fb4fd2f60113a06d1d902c6232b56df46959f1e00ad406227af32"`
[INFO] running `"docker" "rm" "-f" "09e828ec877fb4fd2f60113a06d1d902c6232b56df46959f1e00ad406227af32"`
[INFO] [stdout] 09e828ec877fb4fd2f60113a06d1d902c6232b56df46959f1e00ad406227af32