[INFO] updating cached repository wraikny/ray-trace-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/wraikny/ray-trace-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/wraikny/ray-trace-rust" "work/ex/clippy-test-run/sources/stable/gh/wraikny/ray-trace-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/wraikny/ray-trace-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/wraikny/ray-trace-rust" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wraikny/ray-trace-rust"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wraikny/ray-trace-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 46ade76f3a378491b5ee554a469ec89a0591a90c [INFO] sha for GitHub repo wraikny/ray-trace-rust: 46ade76f3a378491b5ee554a469ec89a0591a90c [INFO] validating manifest of wraikny/ray-trace-rust 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 wraikny/ray-trace-rust 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 wraikny/ray-trace-rust [INFO] finished frobbing wraikny/ray-trace-rust [INFO] frobbed toml for wraikny/ray-trace-rust written to work/ex/clippy-test-run/sources/stable/gh/wraikny/ray-trace-rust/Cargo.toml [INFO] started frobbing wraikny/ray-trace-rust [INFO] finished frobbing wraikny/ray-trace-rust [INFO] frobbed toml for wraikny/ray-trace-rust written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/wraikny/ray-trace-rust/Cargo.toml [INFO] crate wraikny/ray-trace-rust 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 wraikny/ray-trace-rust against stable for clippy-test-run [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/wraikny/ray-trace-rust:/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] bc59b0bdaf07049257260cae2312df33993a36d9eefd98681350a227056775b3 [INFO] running `"docker" "start" "-a" "bc59b0bdaf07049257260cae2312df33993a36d9eefd98681350a227056775b3"` [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking raytrace v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/obj.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | t : t, [INFO] [stderr] | ^^^^^ help: replace it with: `t` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: 5th binding whose name is just one char [INFO] [stderr] --> src/render.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | let (x, y) = (i % w, h - i / w); [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/render.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let c = &rs.camera; [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/render.rs:101:45 [INFO] [stderr] | [INFO] [stderr] 101 | let n = hr.normal * if hr.normal.dot(&-ray.direction) > 0.0 { [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:108:49 [INFO] [stderr] | [INFO] [stderr] 108 | let t = TangentSpace::new(&n); [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:107:46 [INFO] [stderr] | [INFO] [stderr] 107 | let (u, v) = { [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: 9th binding whose name is just one char [INFO] [stderr] --> src/render.rs:107:49 [INFO] [stderr] | [INFO] [stderr] 107 | let (u, v) = { [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: 10th binding whose name is just one char [INFO] [stderr] --> src/render.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | let r = random::().sqrt(); [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: 11th binding whose name is just one char [INFO] [stderr] --> src/render.rs:114:49 [INFO] [stderr] | [INFO] [stderr] 114 | let t : f64 = 2.0 * std::f64::consts::PI * random::(); [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: 10th binding whose name is just one char [INFO] [stderr] --> src/render.rs:112:45 [INFO] [stderr] | [INFO] [stderr] 112 | let d = { [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/render.rs:128:45 [INFO] [stderr] | [INFO] [stderr] 128 | let n = hr.normal * if into {1.0} else {-1.0}; [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:137:49 [INFO] [stderr] | [INFO] [stderr] 137 | let t = wi.dot(&n); [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:154:53 [INFO] [stderr] | [INFO] [stderr] 154 | let r = (1.0 - ior) / (1.0 + ior); [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/render.rs:204:35 [INFO] [stderr] | [INFO] [stderr] 204 | RenderMode::Depth(d) => { [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/render.rs:214:46 [INFO] [stderr] | [INFO] [stderr] 214 | RenderMode::DepthNormalColor(d) => { [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:219:29 [INFO] [stderr] | [INFO] [stderr] 219 | let r = hr.reflectance * hr.normal.dot(&&-ray.direction); [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/render.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | let v : Vec3 = match rs.mode { [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: redundant field names in struct initialization [INFO] [stderr] --> src/obj.rs:101:21 [INFO] [stderr] | [INFO] [stderr] 101 | t : t, [INFO] [stderr] | ^^^^^ help: replace it with: `t` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::redundant_field_names)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stderr] [INFO] [stderr] warning: 5th binding whose name is just one char [INFO] [stderr] --> src/render.rs:72:21 [INFO] [stderr] | [INFO] [stderr] 72 | let (x, y) = (i % w, h - i / w); [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/render.rs:74:17 [INFO] [stderr] | [INFO] [stderr] 74 | let c = &rs.camera; [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/render.rs:101:45 [INFO] [stderr] | [INFO] [stderr] 101 | let n = hr.normal * if hr.normal.dot(&-ray.direction) > 0.0 { [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:108:49 [INFO] [stderr] | [INFO] [stderr] 108 | let t = TangentSpace::new(&n); [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:107:46 [INFO] [stderr] | [INFO] [stderr] 107 | let (u, v) = { [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: 9th binding whose name is just one char [INFO] [stderr] --> src/render.rs:107:49 [INFO] [stderr] | [INFO] [stderr] 107 | let (u, v) = { [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: 10th binding whose name is just one char [INFO] [stderr] --> src/render.rs:113:49 [INFO] [stderr] | [INFO] [stderr] 113 | let r = random::().sqrt(); [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: 11th binding whose name is just one char [INFO] [stderr] --> src/render.rs:114:49 [INFO] [stderr] | [INFO] [stderr] 114 | let t : f64 = 2.0 * std::f64::consts::PI * random::(); [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: 10th binding whose name is just one char [INFO] [stderr] --> src/render.rs:112:45 [INFO] [stderr] | [INFO] [stderr] 112 | let d = { [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/render.rs:128:45 [INFO] [stderr] | [INFO] [stderr] 128 | let n = hr.normal * if into {1.0} else {-1.0}; [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:137:49 [INFO] [stderr] | [INFO] [stderr] 137 | let t = wi.dot(&n); [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:154:53 [INFO] [stderr] | [INFO] [stderr] 154 | let r = (1.0 - ior) / (1.0 + ior); [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/render.rs:204:35 [INFO] [stderr] | [INFO] [stderr] 204 | RenderMode::Depth(d) => { [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/render.rs:214:46 [INFO] [stderr] | [INFO] [stderr] 214 | RenderMode::DepthNormalColor(d) => { [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: 8th binding whose name is just one char [INFO] [stderr] --> src/render.rs:219:29 [INFO] [stderr] | [INFO] [stderr] 219 | let r = hr.reflectance * hr.normal.dot(&&-ray.direction); [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/render.rs:78:17 [INFO] [stderr] | [INFO] [stderr] 78 | let v : Vec3 = match rs.mode { [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: long literal lacking separators [INFO] [stderr] --> src/env.rs:23:41 [INFO] [stderr] | [INFO] [stderr] 23 | position + Vec3::new((0.0, -0.042612, -1.0)), [INFO] [stderr] | ^^^^^^^^ help: consider: `0.042_612` [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/env.rs:23:41 [INFO] [stderr] | [INFO] [stderr] 23 | position + Vec3::new((0.0, -0.042612, -1.0)), [INFO] [stderr] | ^^^^^^^^ help: consider: `0.042_612` [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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/env.rs:135:26 [INFO] [stderr] | [INFO] [stderr] 135 | fn calc_hit(v : &Vec, ray : &Ray, tm : (f64, f64)) -> Option { [INFO] [stderr] | ^^^^^^^ help: change this to: `&[T]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices. [INFO] [stderr] --> src/env.rs:135:26 [INFO] [stderr] | [INFO] [stderr] 135 | fn calc_hit(v : &Vec, ray : &Ray, tm : (f64, f64)) -> Option { [INFO] [stderr] | ^^^^^^^ help: change this to: `&[T]` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::ptr_arg)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | f.write(b"P3\n")?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | f.write(format!("{} {}\n", w, h).as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | f.write(format!("255\n").as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: useless use of `format!` [INFO] [stderr] --> src/io.rs:47:17 [INFO] [stderr] | [INFO] [stderr] 47 | f.write(format!("255\n").as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"255\n".to_string()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_format)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | f.write(format!("{} {} {}\n", r, g, b).as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:45:9 [INFO] [stderr] | [INFO] [stderr] 45 | f.write(b"P3\n")?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[deny(clippy::unused_io_amount)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:46:9 [INFO] [stderr] | [INFO] [stderr] 46 | f.write(format!("{} {}\n", w, h).as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:47:9 [INFO] [stderr] | [INFO] [stderr] 47 | f.write(format!("255\n").as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] warning: useless use of `format!` [INFO] [stderr] --> src/io.rs:47:17 [INFO] [stderr] | [INFO] [stderr] 47 | f.write(format!("255\n").as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"255\n".to_string()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::useless_format)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format [INFO] [stderr] [INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead [INFO] [stderr] --> src/io.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | f.write(format!("{} {} {}\n", r, g, b).as_bytes())?; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `raytrace`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: Could not compile `raytrace`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bc59b0bdaf07049257260cae2312df33993a36d9eefd98681350a227056775b3"` [INFO] running `"docker" "rm" "-f" "bc59b0bdaf07049257260cae2312df33993a36d9eefd98681350a227056775b3"` [INFO] [stdout] bc59b0bdaf07049257260cae2312df33993a36d9eefd98681350a227056775b3