[INFO] updating cached repository atil/rustraytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/atil/rustraytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/atil/rustraytracer" "work/ex/clippy-test-run/sources/stable/gh/atil/rustraytracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/atil/rustraytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atil/rustraytracer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/atil/rustraytracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/atil/rustraytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 08b6012f3800c4c72fd190aa593f977b24f83109
[INFO] sha for GitHub repo atil/rustraytracer: 08b6012f3800c4c72fd190aa593f977b24f83109
[INFO] validating manifest of atil/rustraytracer 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 atil/rustraytracer 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 atil/rustraytracer
[INFO] finished frobbing atil/rustraytracer
[INFO] frobbed toml for atil/rustraytracer written to work/ex/clippy-test-run/sources/stable/gh/atil/rustraytracer/Cargo.toml
[INFO] started frobbing atil/rustraytracer
[INFO] finished frobbing atil/rustraytracer
[INFO] frobbed toml for atil/rustraytracer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/atil/rustraytracer/Cargo.toml
[INFO] crate atil/rustraytracer 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 atil/rustraytracer against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/atil/rustraytracer:/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] be641a3c6e2099afa1f37ba3a7f5d5109a3ec789416260c7446dd79e73c3fbc1
[INFO] running `"docker" "start" "-a" "be641a3c6e2099afa1f37ba3a7f5d5109a3ec789416260c7446dd79e73c3fbc1"`
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |               ^^^^ help: replace it with: `x`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |                     ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |                           ^^^^ help: replace it with: `z`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |         PPM { height: height, width: width, data: buffer }
[INFO] [stderr]    |               ^^^^^^^^^^^^^^ help: replace it with: `height`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |         PPM { height: height, width: width, data: buffer }
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: replace it with: `width`
[INFO] [stderr]    |
[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/ppm.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let b = self.data[offset + 2];
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                             ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                                   ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:41
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                                         ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                      ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                            ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                 ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                       ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                             ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                 ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                       ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                             ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |               ^^^^ help: replace it with: `x`
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:21
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |                     ^^^^ help: replace it with: `y`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/vec3.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |         Vec3 {x: x, y: y, z: z}
[INFO] [stderr]    |                           ^^^^ help: replace it with: `z`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |         PPM { height: height, width: width, data: buffer }
[INFO] [stderr]    |               ^^^^^^^^^^^^^^ help: replace it with: `height`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |         PPM { height: height, width: width, data: buffer }
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: replace it with: `width`
[INFO] [stderr]    |
[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/ppm.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 let b = self.data[offset + 2];
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                             ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:35
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                                   ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/ppm.rs:39:41
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 Some(Color {r: r, g: g, b: b})
[INFO] [stderr]    |                                         ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                      ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |         Color {r: r, g: g, b: b}
[INFO] [stderr]    |                            ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                 ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                       ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                             ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:17
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                 ^^^^ help: replace it with: `r`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:23
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                       ^^^^ help: replace it with: `g`
[INFO] [stderr]    |
[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: redundant field names in struct initialization
[INFO] [stderr]   --> src/color.rs:53:29
[INFO] [stderr]    |
[INFO] [stderr] 53 |         Color { r: r, g: g, b: b }
[INFO] [stderr]    |                             ^^^^ help: replace it with: `b`
[INFO] [stderr]    |
[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: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/vec3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::num`
[INFO] [stderr]  --> src/vec3.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::num;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/main.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let (intersects, v) = s.intersects_with(&o, &shadow_dir);
[INFO] [stderr]    |                          ^ help: consider using `_v` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/triangle.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn normal_at(&self, p: &Vec3) -> Vec3 {
[INFO] [stderr]    |                         ^ help: consider using `_p` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/main.rs:18:26
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let (intersects, v) = s.intersects_with(&o, &shadow_dir);
[INFO] [stderr]    |                          ^ help: consider using `_v` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/triangle.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn normal_at(&self, p: &Vec3) -> Vec3 {
[INFO] [stderr]    |                         ^ help: consider using `_p` instead
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pixel`
[INFO] [stderr]   --> src/ppm.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_pixel(&self, x: u32, y: u32) -> Option<Color> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `red`
[INFO] [stderr]   --> src/color.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn red() -> Color {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/util.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn parse_f32_at(line: &String, index: usize) -> f32 {
[INFO] [stderr]   |                           ^^^^^^^ help: change this to: `&str`
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/util.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn parse_u8_at(line: &String, index: usize) -> u8 {
[INFO] [stderr]    |                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/sphere.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | /         let dist;
[INFO] [stderr] 48 | |         if disc == 0f32 {
[INFO] [stderr] 49 | |             // Tangent
[INFO] [stderr] 50 | |             dist = arg5 / Vec3::dot(d, d);
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |             dist = t1.min(t2);
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^ help: it is more idiomatic to write: `let dist = if disc == 0f32 { arg5 / Vec3::dot(d, d) } else { ..; t1.min(t2) };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/ppm.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(file.write(header.as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/ppm.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.write(&self.data));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let r = (self.r as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.r)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let g = (self.g as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.g)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let b = (self.b as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.b)`
[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: method is never used: `get_pixel`
[INFO] [stderr]   --> src/ppm.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn get_pixel(&self, x: u32, y: u32) -> Option<Color> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `red`
[INFO] [stderr]   --> src/color.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn red() -> Color {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]  --> src/util.rs:1:27
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn parse_f32_at(line: &String, index: usize) -> f32 {
[INFO] [stderr]   |                           ^^^^^^^ help: change this to: `&str`
[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/main.rs:14:79
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn cast_light_ray(collision_point: Vec3, normal: Vec3, light: &Light, shapes: &Vec<Box<Shape>>) -> Color {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Shape>]`
[INFO] [stderr]    |
[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 `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]   --> src/util.rs:11:26
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn parse_u8_at(line: &String, index: usize) -> u8 {
[INFO] [stderr]    |                          ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/sphere.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 | /         let dist;
[INFO] [stderr] 48 | |         if disc == 0f32 {
[INFO] [stderr] 49 | |             // Tangent
[INFO] [stderr] 50 | |             dist = arg5 / Vec3::dot(d, d);
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |             dist = t1.min(t2);
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^ help: it is more idiomatic to write: `let dist = if disc == 0f32 { arg5 / Vec3::dot(d, d) } else { ..; t1.min(t2) };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[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/main.rs:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn cast_ray(origin: Vec3, dir: Vec3, shapes: &Vec<Box<Shape>>, lights: &Vec<Light>) -> Color {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Shape>]`
[INFO] [stderr]    |
[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/main.rs:33:72
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn cast_ray(origin: Vec3, dir: Vec3, shapes: &Vec<Box<Shape>>, lights: &Vec<Light>) -> Color {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^ help: change this to: `&[Light]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/ppm.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         try!(file.write(header.as_bytes()));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: handle written amount returned or use `Write::write_all` instead
[INFO] [stderr]   --> src/ppm.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         try!(file.write(&self.data));
[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]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:50:18
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let r = (self.r as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.r)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let g = (self.g as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.g)`
[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 u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/color.rs:52:18
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let b = (self.b as f32 * arg) as u8;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^ help: try: `f32::from(self.b)`
[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: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:14:79
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn cast_light_ray(collision_point: Vec3, normal: Vec3, light: &Light, shapes: &Vec<Box<Shape>>) -> Color {
[INFO] [stderr]    |                                                                               ^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Shape>]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ray_tracer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]   --> src/main.rs:33:46
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn cast_ray(origin: Vec3, dir: Vec3, shapes: &Vec<Box<Shape>>, lights: &Vec<Light>) -> Color {
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^ help: change this to: `&[Box<Shape>]`
[INFO] [stderr]    |
[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/main.rs:33:72
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn cast_ray(origin: Vec3, dir: Vec3, shapes: &Vec<Box<Shape>>, lights: &Vec<Light>) -> Color {
[INFO] [stderr]    |                                                                        ^^^^^^^^^^^ help: change this to: `&[Light]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ray_tracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "be641a3c6e2099afa1f37ba3a7f5d5109a3ec789416260c7446dd79e73c3fbc1"`
[INFO] running `"docker" "rm" "-f" "be641a3c6e2099afa1f37ba3a7f5d5109a3ec789416260c7446dd79e73c3fbc1"`
[INFO] [stdout] be641a3c6e2099afa1f37ba3a7f5d5109a3ec789416260c7446dd79e73c3fbc1