[INFO] updating cached repository howeih/Day-46-Bezier-Curve [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/howeih/Day-46-Bezier-Curve [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-46-Bezier-Curve" "work/ex/clippy-test-run/sources/stable/gh/howeih/Day-46-Bezier-Curve"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/howeih/Day-46-Bezier-Curve'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/howeih/Day-46-Bezier-Curve" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-46-Bezier-Curve"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-46-Bezier-Curve'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] cda2155d519d4d4940d98aa5a9518eeb2de9b54e [INFO] sha for GitHub repo howeih/Day-46-Bezier-Curve: cda2155d519d4d4940d98aa5a9518eeb2de9b54e [INFO] validating manifest of howeih/Day-46-Bezier-Curve 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 howeih/Day-46-Bezier-Curve 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 howeih/Day-46-Bezier-Curve [INFO] finished frobbing howeih/Day-46-Bezier-Curve [INFO] frobbed toml for howeih/Day-46-Bezier-Curve written to work/ex/clippy-test-run/sources/stable/gh/howeih/Day-46-Bezier-Curve/Cargo.toml [INFO] started frobbing howeih/Day-46-Bezier-Curve [INFO] finished frobbing howeih/Day-46-Bezier-Curve [INFO] frobbed toml for howeih/Day-46-Bezier-Curve written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-46-Bezier-Curve/Cargo.toml [INFO] crate howeih/Day-46-Bezier-Curve 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 howeih/Day-46-Bezier-Curve against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/howeih/Day-46-Bezier-Curve:/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 -Dclippy::into_iter_on_array" "-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] 96e0ae153c98ad8eaadfdd3a273596ee4e7cc0be1f776dfa4ee5f29220052b80 [INFO] running `"docker" "start" "-a" "96e0ae153c98ad8eaadfdd3a273596ee4e7cc0be1f776dfa4ee5f29220052b80"` [INFO] [stderr] Checking gnuplot v0.0.26 [INFO] [stderr] Checking bezire_curve v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: 5th binding whose name is just one char [INFO] [stderr] --> src/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let u: Vec = r.iter().map(|r| (t as f64).powf(*r as f64)).collect(); [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/main.rs:24:13 [INFO] [stderr] | [INFO] [stderr] 24 | let u: Vec = r.iter().map(|r| (t as f64).powf(*r as f64)).collect(); [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: the loop variable `i` is used to index `b` [INFO] [stderr] --> src/main.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | for i in 0..n { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 17 | for (i, ) in b.iter_mut().enumerate().take(n) { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:34:28 [INFO] [stderr] | [INFO] [stderr] 34 | .map(|z| z.0 * (*z.1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(*z.1)` [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 i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | .map(|p| (p.0 * (p.1).0 as f64, p.0 * (p.1).1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: try: `f64::from((p.1).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 i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:36:51 [INFO] [stderr] | [INFO] [stderr] 36 | .map(|p| (p.0 * (p.1).0 as f64, p.0 * (p.1).1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: try: `f64::from((p.1).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: the loop variable `i` is used to index `b` [INFO] [stderr] --> src/main.rs:17:14 [INFO] [stderr] | [INFO] [stderr] 17 | for i in 0..n { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::needless_range_loop)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop [INFO] [stderr] help: consider using an iterator [INFO] [stderr] | [INFO] [stderr] 17 | for (i, ) in b.iter_mut().enumerate().take(n) { [INFO] [stderr] | ^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:34:28 [INFO] [stderr] | [INFO] [stderr] 34 | .map(|z| z.0 * (*z.1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^ help: try: `f64::from(*z.1)` [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 i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:36:29 [INFO] [stderr] | [INFO] [stderr] 36 | .map(|p| (p.0 * (p.1).0 as f64, p.0 * (p.1).1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: try: `f64::from((p.1).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 i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:36:51 [INFO] [stderr] | [INFO] [stderr] 36 | .map(|p| (p.0 * (p.1).0 as f64, p.0 * (p.1).1 as f64)) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: try: `f64::from((p.1).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 1.26s [INFO] running `"docker" "inspect" "96e0ae153c98ad8eaadfdd3a273596ee4e7cc0be1f776dfa4ee5f29220052b80"` [INFO] running `"docker" "rm" "-f" "96e0ae153c98ad8eaadfdd3a273596ee4e7cc0be1f776dfa4ee5f29220052b80"` [INFO] [stdout] 96e0ae153c98ad8eaadfdd3a273596ee4e7cc0be1f776dfa4ee5f29220052b80