[INFO] updating cached repository 3Hren/mandelbrot [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/3Hren/mandelbrot [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/3Hren/mandelbrot" "work/ex/clippy-test-run/sources/stable/gh/3Hren/mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/3Hren/mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/3Hren/mandelbrot" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/3Hren/mandelbrot"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/3Hren/mandelbrot'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6b3454ae379f4d274762fd1e3a6fe0654e084046 [INFO] sha for GitHub repo 3Hren/mandelbrot: 6b3454ae379f4d274762fd1e3a6fe0654e084046 [INFO] validating manifest of 3Hren/mandelbrot 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 3Hren/mandelbrot 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 3Hren/mandelbrot [INFO] finished frobbing 3Hren/mandelbrot [INFO] frobbed toml for 3Hren/mandelbrot written to work/ex/clippy-test-run/sources/stable/gh/3Hren/mandelbrot/Cargo.toml [INFO] started frobbing 3Hren/mandelbrot [INFO] finished frobbing 3Hren/mandelbrot [INFO] frobbed toml for 3Hren/mandelbrot written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/3Hren/mandelbrot/Cargo.toml [INFO] crate 3Hren/mandelbrot 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 3Hren/mandelbrot against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/3Hren/mandelbrot:/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] adfd2e74b93777c584ecc8edf7f21bb9edaf3dd5760506fc3d90126945434f15 [INFO] running `"docker" "start" "-a" "adfd2e74b93777c584ecc8edf7f21bb9edaf3dd5760506fc3d90126945434f15"` [INFO] [stderr] Compiling glium v0.18.1 [INFO] [stderr] Checking glutin v0.10.1 [INFO] [stderr] Checking mandelbrot v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:21 [INFO] [stderr] | [INFO] [stderr] 73 | let ratio = dim.0 as f64 / dim.1 as f64; [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `f64::from(dim.0)` [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/main.rs:73:36 [INFO] [stderr] | [INFO] [stderr] 73 | let ratio = dim.0 as f64 / dim.1 as f64; [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `f64::from(dim.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/main.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 91 | / match phase { [INFO] [stderr] 92 | | TouchPhase::Moved => { [INFO] [stderr] 93 | | let dy = -dy; [INFO] [stderr] 94 | | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] ... | [INFO] [stderr] 97 | | _ => {} [INFO] [stderr] 98 | | } [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 91 | if let TouchPhase::Moved = phase { [INFO] [stderr] 92 | let dy = -dy; [INFO] [stderr] 93 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] 94 | zoom *= scale; [INFO] [stderr] 95 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:94:57 [INFO] [stderr] | [INFO] [stderr] 94 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(dy)` [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/main.rs:94:69 [INFO] [stderr] | [INFO] [stderr] 94 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:137:26 [INFO] [stderr] | [INFO] [stderr] 137 | dx / height as f64 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:143:26 [INFO] [stderr] | [INFO] [stderr] 143 | dy / height as f64 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:21 [INFO] [stderr] | [INFO] [stderr] 73 | let ratio = dim.0 as f64 / dim.1 as f64; [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `f64::from(dim.0)` [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/main.rs:73:36 [INFO] [stderr] | [INFO] [stderr] 73 | let ratio = dim.0 as f64 / dim.1 as f64; [INFO] [stderr] | ^^^^^^^^^^^^ help: try: `f64::from(dim.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: you seem to be trying to use match for destructuring a single pattern. Consider using `if let` [INFO] [stderr] --> src/main.rs:91:25 [INFO] [stderr] | [INFO] [stderr] 91 | / match phase { [INFO] [stderr] 92 | | TouchPhase::Moved => { [INFO] [stderr] 93 | | let dy = -dy; [INFO] [stderr] 94 | | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] ... | [INFO] [stderr] 97 | | _ => {} [INFO] [stderr] 98 | | } [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::single_match)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match [INFO] [stderr] help: try this [INFO] [stderr] | [INFO] [stderr] 91 | if let TouchPhase::Moved = phase { [INFO] [stderr] 92 | let dy = -dy; [INFO] [stderr] 93 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] 94 | zoom *= scale; [INFO] [stderr] 95 | } [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: casting f32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:94:57 [INFO] [stderr] | [INFO] [stderr] 94 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(dy)` [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/main.rs:94:69 [INFO] [stderr] | [INFO] [stderr] 94 | let scale = 1. + 0.1 * (dy as f64 / height as f64); [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:137:26 [INFO] [stderr] | [INFO] [stderr] 137 | dx / height as f64 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:143:26 [INFO] [stderr] | [INFO] [stderr] 143 | dy / height as f64 [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(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 32.67s [INFO] running `"docker" "inspect" "adfd2e74b93777c584ecc8edf7f21bb9edaf3dd5760506fc3d90126945434f15"` [INFO] running `"docker" "rm" "-f" "adfd2e74b93777c584ecc8edf7f21bb9edaf3dd5760506fc3d90126945434f15"` [INFO] [stdout] adfd2e74b93777c584ecc8edf7f21bb9edaf3dd5760506fc3d90126945434f15