[INFO] updating cached repository jgrosso/mandelbrot-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jgrosso/mandelbrot-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jgrosso/mandelbrot-rs" "work/ex/clippy-test-run/sources/stable/gh/jgrosso/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jgrosso/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jgrosso/mandelbrot-rs" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgrosso/mandelbrot-rs"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgrosso/mandelbrot-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c10f4a3fb0b83e10b4c619c54b086a79b367985d
[INFO] sha for GitHub repo jgrosso/mandelbrot-rs: c10f4a3fb0b83e10b4c619c54b086a79b367985d
[INFO] validating manifest of jgrosso/mandelbrot-rs on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jgrosso/mandelbrot-rs on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jgrosso/mandelbrot-rs
[INFO] finished frobbing jgrosso/mandelbrot-rs
[INFO] frobbed toml for jgrosso/mandelbrot-rs written to work/ex/clippy-test-run/sources/stable/gh/jgrosso/mandelbrot-rs/Cargo.toml
[INFO] started frobbing jgrosso/mandelbrot-rs
[INFO] finished frobbing jgrosso/mandelbrot-rs
[INFO] frobbed toml for jgrosso/mandelbrot-rs written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jgrosso/mandelbrot-rs/Cargo.toml
[INFO] crate jgrosso/mandelbrot-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting jgrosso/mandelbrot-rs 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/gh/jgrosso/mandelbrot-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a196d87295bfc5d3303308d5f84c085def192d2b80241385d5a9850eaa051ca4
[INFO] running `"docker" "start" "-a" "a196d87295bfc5d3303308d5f84c085def192d2b80241385d5a9850eaa051ca4"`
[INFO] [stderr]     Checking mandelbrot-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 |             lower_bound: 0x000000 as f32,
[INFO] [stderr]    |                          ^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |             upper_bound: 0xFFFFFF as f32,
[INFO] [stderr]    |                          ^^^^^^^^ help: consider: `0x00FF_FFFF`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:92:26
[INFO] [stderr]    |
[INFO] [stderr] 92 |             lower_bound: 0x000000 as f32,
[INFO] [stderr]    |                          ^^^^^^^^ help: consider: `0x0000_0000`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:93:26
[INFO] [stderr]    |
[INFO] [stderr] 93 |             upper_bound: 0xFFFFFF as f32,
[INFO] [stderr]    |                          ^^^^^^^^ help: consider: `0x00FF_FFFF`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         pixel_x as f32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try: `f32::from(pixel_x)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |             upper_bound: SCREEN_WIDTH as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(SCREEN_WIDTH)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pixel_y as f32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try: `f32::from(pixel_y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |         pixel_x as f32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try: `f32::from(pixel_x)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |             upper_bound: SCREEN_WIDTH as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(SCREEN_WIDTH)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         pixel_y as f32,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: try: `f32::from(pixel_y)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |             upper_bound: SCREEN_HEIGHT as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(SCREEN_HEIGHT)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 |             upper_bound: SCREEN_HEIGHT as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(SCREEN_HEIGHT)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let palette_choice = (iteration % PALETTE_SIZE) as f32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(iteration % PALETTE_SIZE)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let palette_choice = (iteration % PALETTE_SIZE) as f32;
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(iteration % PALETTE_SIZE)`
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:89:26
[INFO] [stderr]    |
[INFO] [stderr] 89 |             upper_bound: PALETTE_SIZE as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(PALETTE_SIZE)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/main.rs:89:26
[INFO] [stderr]    |
[INFO] [stderr] 89 |             upper_bound: PALETTE_SIZE as f32,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^ help: try: `f32::from(PALETTE_SIZE)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let img = ImageBuffer::from_fn(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(SCREEN_WIDTH)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:57
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let img = ImageBuffer::from_fn(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(SCREEN_HEIGHT)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:36
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let img = ImageBuffer::from_fn(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(SCREEN_WIDTH)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:57
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let img = ImageBuffer::from_fn(SCREEN_WIDTH as u32, SCREEN_HEIGHT as u32, {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(SCREEN_HEIGHT)`
[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 2.20s
[INFO] running `"docker" "inspect" "a196d87295bfc5d3303308d5f84c085def192d2b80241385d5a9850eaa051ca4"`
[INFO] running `"docker" "rm" "-f" "a196d87295bfc5d3303308d5f84c085def192d2b80241385d5a9850eaa051ca4"`
[INFO] [stdout] a196d87295bfc5d3303308d5f84c085def192d2b80241385d5a9850eaa051ca4