[INFO] crate dumbmath 0.2.2 is already in cache
[INFO] extracting crate dumbmath 0.2.2 into work/ex/clippy-test-run/sources/stable/reg/dumbmath/0.2.2
[INFO] extracting crate dumbmath 0.2.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dumbmath/0.2.2
[INFO] validating manifest of dumbmath-0.2.2 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 dumbmath-0.2.2 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 dumbmath-0.2.2
[INFO] finished frobbing dumbmath-0.2.2
[INFO] frobbed toml for dumbmath-0.2.2 written to work/ex/clippy-test-run/sources/stable/reg/dumbmath/0.2.2/Cargo.toml
[INFO] started frobbing dumbmath-0.2.2
[INFO] finished frobbing dumbmath-0.2.2
[INFO] frobbed toml for dumbmath-0.2.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dumbmath/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 dumbmath-0.2.2 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/reg/dumbmath/0.2.2:/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] ab04d1725316629bf68605a2d9f58d181094857b45c99292818394449e5e4702
[INFO] running `"docker" "start" "-a" "ab04d1725316629bf68605a2d9f58d181094857b45c99292818394449e5e4702"`
[INFO] [stderr]     Checking dumbmath v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let v = d1 / (d1 - d3);
[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/intersect.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let w = d2 / (d2 - d6);
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let w = (d4 - d3) / ((d4 - d3) + (d5 - d6));
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let v = vb * denom;
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let w = vc * denom;
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let e = d2.dot(d2);
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let f = d2.dot(r);
[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/line.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let d = a * e - b * b;
[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/line.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let s = (b * f - c * e) / 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: 9th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let t = (a * f - b * c) / 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: redundant field names in struct initialization
[INFO] [stderr]   --> src/range.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |         InclusiveRange { min: min, max: max }
[INFO] [stderr]    |                          ^^^^^^^^ help: replace it with: `min`
[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/range.rs:42:36
[INFO] [stderr]    |
[INFO] [stderr] 42 |         InclusiveRange { min: min, max: max }
[INFO] [stderr]    |                                    ^^^^^^^^ help: replace it with: `max`
[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/segment.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             start: start,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/segment.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             end: end
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `end`
[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/sphere.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             center: center,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `center`
[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/sphere.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             radius: radius
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `radius`
[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/vec2f.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Vec2f { x: x,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `x`
[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/vec2f.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 y: y }
[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/vec3f.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Vec3f { x: x,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `x`
[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/vec3f.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 y: y,
[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/vec3f.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let v = d1 / (d1 - d3);
[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/intersect.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let w = d2 / (d2 - d6);
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |         let w = (d4 - d3) / ((d4 - d3) + (d5 - d6));
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let v = vb * denom;
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/intersect.rs:74:9
[INFO] [stderr]    |
[INFO] [stderr] 74 |     let w = vc * denom;
[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: 5th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 |         let e = d2.dot(d2);
[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: 6th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let f = d2.dot(r);
[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/line.rs:62:13
[INFO] [stderr]    |
[INFO] [stderr] 62 |         let d = a * e - b * b;
[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/line.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |             let s = (b * f - c * e) / 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: 9th binding whose name is just one char
[INFO] [stderr]   --> src/line.rs:68:17
[INFO] [stderr]    |
[INFO] [stderr] 68 |             let t = (a * f - b * c) / 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: redundant field names in struct initialization
[INFO] [stderr]   --> src/range.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |         InclusiveRange { min: min, max: max }
[INFO] [stderr]    |                          ^^^^^^^^ help: replace it with: `min`
[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/range.rs:42:36
[INFO] [stderr]    |
[INFO] [stderr] 42 |         InclusiveRange { min: min, max: max }
[INFO] [stderr]    |                                    ^^^^^^^^ help: replace it with: `max`
[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/segment.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             start: start,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `start`
[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/segment.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |             end: end
[INFO] [stderr]    |             ^^^^^^^^ help: replace it with: `end`
[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/sphere.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             center: center,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `center`
[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/sphere.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |             radius: radius
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `radius`
[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/vec2f.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Vec2f { x: x,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `x`
[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/vec2f.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |                 y: y }
[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/vec3f.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         Vec3f { x: x,
[INFO] [stderr]    |                 ^^^^ help: replace it with: `x`
[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/vec3f.rs:30:17
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 y: y,
[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/vec3f.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |                 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: unneeded return statement
[INFO] [stderr]   --> src/intersect.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     return a + ab * v + ac * w; // = u*a + v*b + w*c, u = va * denom = 1.0f - v - w
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `a + ab * v + ac * w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/intersect.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     return a + ab * v + ac * w; // = u*a + v*b + w*c, u = va * denom = 1.0f - v - w
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `a + ab * v + ac * w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider adding a `Default` implementation for `aabb::Aabb3f`
[INFO] [stderr]   --> src/aabb.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Aabb3f {
[INFO] [stderr] 27 | |         Aabb3f {
[INFO] [stderr] 28 | |             min: Vec3f::from_scalar(f32::INFINITY),
[INFO] [stderr] 29 | |             max: Vec3f::from_scalar(f32::NEG_INFINITY)
[INFO] [stderr] 30 | |         }
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Default for aabb::Aabb3f {
[INFO] [stderr] 24 |     fn default() -> Self {
[INFO] [stderr] 25 |         Self::new()
[INFO] [stderr] 26 |     }
[INFO] [stderr] 27 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:21:49
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl CastF32 for i8  { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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 i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl CastF32 for i16 { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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/util.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl CastF32 for u8  { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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/util.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl CastF32 for u16 { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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 should consider adding a `Default` implementation for `aabb::Aabb3f`
[INFO] [stderr]   --> src/aabb.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | /     pub fn new() -> Aabb3f {
[INFO] [stderr] 27 | |         Aabb3f {
[INFO] [stderr] 28 | |             min: Vec3f::from_scalar(f32::INFINITY),
[INFO] [stderr] 29 | |             max: Vec3f::from_scalar(f32::NEG_INFINITY)
[INFO] [stderr] 30 | |         }
[INFO] [stderr] 31 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Default for aabb::Aabb3f {
[INFO] [stderr] 24 |     fn default() -> Self {
[INFO] [stderr] 25 |         Self::new()
[INFO] [stderr] 26 |     }
[INFO] [stderr] 27 | }
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/range.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     assert!(InclusiveRange::new(-1.0, 2.5).length() == 3.5);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(InclusiveRange::new(-1.0, 2.5).length() - 3.5).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/range.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     assert!(InclusiveRange::new(-1.0, 2.5).length() == 3.5);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/segment.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         assert_eq!(s.length(), 9.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/segment.rs:189:9
[INFO] [stderr]     |
[INFO] [stderr] 189 |         assert_eq!(s.length(), 9.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/segment.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             assert_eq!(s.distance_to_parametric_delta(distance), delta);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/segment.rs:212:13
[INFO] [stderr]     |
[INFO] [stderr] 212 |             assert_eq!(s.distance_to_parametric_delta(distance), delta);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/segment.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             assert_eq!(s.distance_from_parametric_delta(delta), distance);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/segment.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             assert_eq!(s.distance_from_parametric_delta(delta), distance);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: strict comparison of f32 or f64
[INFO] [stderr]   --> src/sphere.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert!(Sphere3f::from_radius(r).radius_squared() == (r * r));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(Sphere3f::from_radius(r).radius_squared() - (r * r)).abs() < error`
[INFO] [stderr]    |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]   --> src/sphere.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |     assert!(Sphere3f::from_radius(r).radius_squared() == (r * r));
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] warning: casting i8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:21:49
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl CastF32 for i8  { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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 i16 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/util.rs:22:49
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl CastF32 for i16 { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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/util.rs:27:49
[INFO] [stderr]    |
[INFO] [stderr] 27 | impl CastF32 for u8  { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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/util.rs:28:49
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl CastF32 for u16 { fn as_f32(self) -> f32 { self as f32 } }
[INFO] [stderr]    |                                                 ^^^^^^^^^^^ help: try: `f32::from(self)`
[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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/vec3f.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |         assert!(v.magnitude_squared() == 16.0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(v.magnitude_squared() - 16.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/vec3f.rs:182:17
[INFO] [stderr]     |
[INFO] [stderr] 182 |         assert!(v.magnitude_squared() == 16.0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/vec3f.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |         assert!(v.magnitude() == 4.0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^ help: consider comparing them within some error: `(v.magnitude() - 4.0).abs() < error`
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/vec3f.rs:183:17
[INFO] [stderr]     |
[INFO] [stderr] 183 |         assert!(v.magnitude() == 4.0);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/vec3f.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(vec3f(0, -4, 0).distance(vec3f(0, 4, 0)), 8.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/vec3f.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |         assert_eq!(vec3f(0, -4, 0).distance(vec3f(0, 4, 0)), 8.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: strict comparison of f32 or f64
[INFO] [stderr]    --> src/vec3f.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         assert_eq!(vec3f(1, 2, 3).dot(vec3f(4, 5, 6)), 32.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/vec3f.rs:218:9
[INFO] [stderr]     |
[INFO] [stderr] 218 |         assert_eq!(vec3f(1, 2, 3).dot(vec3f(4, 5, 6)), 32.0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[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: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `dumbmath`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ab04d1725316629bf68605a2d9f58d181094857b45c99292818394449e5e4702"`
[INFO] running `"docker" "rm" "-f" "ab04d1725316629bf68605a2d9f58d181094857b45c99292818394449e5e4702"`
[INFO] [stdout] ab04d1725316629bf68605a2d9f58d181094857b45c99292818394449e5e4702