[INFO] updating cached repository Kuroskira/raytracerLearn [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Kuroskira/raytracerLearn [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Kuroskira/raytracerLearn" "work/ex/clippy-test-run/sources/stable/gh/Kuroskira/raytracerLearn"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Kuroskira/raytracerLearn'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Kuroskira/raytracerLearn" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuroskira/raytracerLearn"` [INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuroskira/raytracerLearn'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7bbd1cba6bdacd431b7e15a7b1912957be178cda [INFO] sha for GitHub repo Kuroskira/raytracerLearn: 7bbd1cba6bdacd431b7e15a7b1912957be178cda [INFO] validating manifest of Kuroskira/raytracerLearn 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 Kuroskira/raytracerLearn 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 Kuroskira/raytracerLearn [INFO] finished frobbing Kuroskira/raytracerLearn [INFO] frobbed toml for Kuroskira/raytracerLearn written to work/ex/clippy-test-run/sources/stable/gh/Kuroskira/raytracerLearn/Cargo.toml [INFO] started frobbing Kuroskira/raytracerLearn [INFO] finished frobbing Kuroskira/raytracerLearn [INFO] frobbed toml for Kuroskira/raytracerLearn written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuroskira/raytracerLearn/Cargo.toml [INFO] crate Kuroskira/raytracerLearn 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 Kuroskira/raytracerLearn 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-1/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Kuroskira/raytracerLearn:/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] 6ce58a8e0fd88fe154669ac35104c7c99cbf515502dca353275db9ad95f92c57 [INFO] running `"docker" "start" "-a" "6ce58a8e0fd88fe154669ac35104c7c99cbf515502dca353275db9ad95f92c57"` [INFO] [stderr] Checking ray_learn v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/camera.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | lower_left_corner: lower_left_corner, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lower_left_corner` [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/camera.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | horizontal: horizontal, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `horizontal` [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/camera.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | vertical: vertical, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `vertical` [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/camera.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | origin: origin, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `origin` [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/camera.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | lens_radius: lens_radius, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lens_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/camera.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | u: u, [INFO] [stderr] | ^^^^ help: replace it with: `u` [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/camera.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | v: v, [INFO] [stderr] | ^^^^ help: replace it with: `v` [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/camera.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | w: w, [INFO] [stderr] | ^^^^ help: replace it with: `w` [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/dielectric.rs:17:22 [INFO] [stderr] | [INFO] [stderr] 17 | Dielectric { ri: ri } [INFO] [stderr] | ^^^^^^ help: replace it with: `ri` [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/lambertian.rs:16:22 [INFO] [stderr] | [INFO] [stderr] 16 | Lambertian { albedo: albedo } [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `albedo` [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/metal.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | Metal { albedo: albedo, fuzz: f } [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `albedo` [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:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | material: material, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `material` [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: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead [INFO] [stderr] --> src/main.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | print!("{} {} {}\n", ir, ig, ib); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::print_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline [INFO] [stderr] [INFO] [stderr] warning: redundant field names in struct initialization [INFO] [stderr] --> src/camera.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | lower_left_corner: lower_left_corner, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lower_left_corner` [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/camera.rs:48:13 [INFO] [stderr] | [INFO] [stderr] 48 | horizontal: horizontal, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `horizontal` [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/camera.rs:49:13 [INFO] [stderr] | [INFO] [stderr] 49 | vertical: vertical, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `vertical` [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/camera.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | origin: origin, [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `origin` [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/camera.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | lens_radius: lens_radius, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `lens_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/camera.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | u: u, [INFO] [stderr] | ^^^^ help: replace it with: `u` [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/camera.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | v: v, [INFO] [stderr] | ^^^^ help: replace it with: `v` [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/camera.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | w: w, [INFO] [stderr] | ^^^^ help: replace it with: `w` [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/dielectric.rs:17:22 [INFO] [stderr] | [INFO] [stderr] 17 | Dielectric { ri: ri } [INFO] [stderr] | ^^^^^^ help: replace it with: `ri` [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/lambertian.rs:16:22 [INFO] [stderr] | [INFO] [stderr] 16 | Lambertian { albedo: albedo } [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `albedo` [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/metal.rs:16:17 [INFO] [stderr] | [INFO] [stderr] 16 | Metal { albedo: albedo, fuzz: f } [INFO] [stderr] | ^^^^^^^^^^^^^^ help: replace it with: `albedo` [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:18:13 [INFO] [stderr] | [INFO] [stderr] 18 | material: material, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: replace it with: `material` [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: using `print!()` with a format string that ends in a single newline, consider using `println!()` instead [INFO] [stderr] --> src/main.rs:82:13 [INFO] [stderr] | [INFO] [stderr] 82 | print!("{} {} {}\n", ir, ig, ib); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::print_with_newline)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#print_with_newline [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/dielectric.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | return true; [INFO] [stderr] | ^^^^^^^^^^^^ help: remove `return` as shown: `true` [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/dielectric.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `false` [INFO] [stderr] | [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/dielectric.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | return true; [INFO] [stderr] | ^^^^^^^^^^^^ help: remove `return` as shown: `true` [INFO] [stderr] | [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 unit return type [INFO] [stderr] --> src/vector.rs:62:25 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn print(&self) -> () { [INFO] [stderr] | ^^^^^ help: remove the `-> ()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unused_unit)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit [INFO] [stderr] [INFO] [stderr] warning: long literal lacking separators [INFO] [stderr] --> src/vector.rs:177:47 [INFO] [stderr] | [INFO] [stderr] 177 | let vec: Vector3 = Vector3::new(0.2, 0.4, 0.7347845); [INFO] [stderr] | ^^^^^^^^^ help: consider: `0.734_784_5` [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/vector.rs:180:25 [INFO] [stderr] | [INFO] [stderr] 180 | assert_eq!(vec.b(), 0.7347845); [INFO] [stderr] | ^^^^^^^^^ help: consider: `0.734_784_5` [INFO] [stderr] | [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/vector.rs:187:42 [INFO] [stderr] | [INFO] [stderr] 187 | let vec_test: Vector3 = Vector3::new(0.30000000000000004, 0.7, 1.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ help: consider: `0.300_000_000_000_000_04` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | return attenuation * color(&scattered, world, depth + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `attenuation * color(&scattered, world, depth + 1)` [INFO] [stderr] | [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/main.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | return Vector3::new(1.0, 1.0, 1.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vector3::new(1.0, 1.0, 1.0)` [INFO] [stderr] | [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/main.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | return (1.0 - t) * Vector3::new(1.0, 1.0, 1.0) + t * Vector3::new(0.5, 0.7, 1.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 - t) * Vector3::new(1.0, 1.0, 1.0) + t * Vector3::new(0.5, 0.7, 1.0)` [INFO] [stderr] | [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/dielectric.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | return true; [INFO] [stderr] | ^^^^^^^^^^^^ help: remove `return` as shown: `true` [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/dielectric.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | return false; [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove `return` as shown: `false` [INFO] [stderr] | [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/dielectric.rs:70:9 [INFO] [stderr] | [INFO] [stderr] 70 | return true; [INFO] [stderr] | ^^^^^^^^^^^^ help: remove `return` as shown: `true` [INFO] [stderr] | [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 unit return type [INFO] [stderr] --> src/vector.rs:62:25 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn print(&self) -> () { [INFO] [stderr] | ^^^^^ help: remove the `-> ()` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unused_unit)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit [INFO] [stderr] [INFO] [stderr] warning: unneeded return statement [INFO] [stderr] --> src/main.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | return attenuation * color(&scattered, world, depth + 1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `attenuation * color(&scattered, world, depth + 1)` [INFO] [stderr] | [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/main.rs:98:13 [INFO] [stderr] | [INFO] [stderr] 98 | return Vector3::new(1.0, 1.0, 1.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vector3::new(1.0, 1.0, 1.0)` [INFO] [stderr] | [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/main.rs:103:9 [INFO] [stderr] | [INFO] [stderr] 103 | return (1.0 - t) * Vector3::new(1.0, 1.0, 1.0) + t * Vector3::new(0.5, 0.7, 1.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(1.0 - t) * Vector3::new(1.0, 1.0, 1.0) + t * Vector3::new(0.5, 0.7, 1.0)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stderr] [INFO] [stderr] warning: field is never used: `w` [INFO] [stderr] --> src/camera.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | w: Vector3, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression [INFO] [stderr] --> src/dielectric.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | / let cosine: f64; [INFO] [stderr] 49 | | if ray_in.direction().dot(&rec.normal()) > 0.0 { [INFO] [stderr] 50 | | outward_normal = -1.0*rec.normal(); [INFO] [stderr] 51 | | ni_over_nt = self.ri; [INFO] [stderr] ... | [INFO] [stderr] 56 | | cosine = -1.0*ray_in.direction().dot(&rec.normal())/ray_in.direction().length(); [INFO] [stderr] 57 | | } [INFO] [stderr] | |_________^ help: it is more idiomatic to write: `let cosine = if ray_in.direction().dot(&rec.normal()) > 0.0 { ..; self.ri*ray_in.direction().dot(&rec.normal())/ray_in.direction().length() } else { ..; -1.0*ray_in.direction().dot(&rec.normal())/ray_in.direction().length() };` [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: field is never used: `w` [INFO] [stderr] --> src/camera.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | w: Vector3, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression [INFO] [stderr] --> src/dielectric.rs:48:9 [INFO] [stderr] | [INFO] [stderr] 48 | / let cosine: f64; [INFO] [stderr] 49 | | if ray_in.direction().dot(&rec.normal()) > 0.0 { [INFO] [stderr] 50 | | outward_normal = -1.0*rec.normal(); [INFO] [stderr] 51 | | ni_over_nt = self.ri; [INFO] [stderr] ... | [INFO] [stderr] 56 | | cosine = -1.0*ray_in.direction().dot(&rec.normal())/ray_in.direction().length(); [INFO] [stderr] 57 | | } [INFO] [stderr] | |_________^ help: it is more idiomatic to write: `let cosine = if ray_in.direction().dot(&rec.normal()) > 0.0 { ..; self.ri*ray_in.direction().dot(&rec.normal())/ray_in.direction().length() } else { ..; -1.0*ray_in.direction().dot(&rec.normal())/ray_in.direction().length() };` [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | (nx as f64) / (ny as f64), [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f64::from(nx)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [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#cast_lossless [INFO] [stderr] [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: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:64:23 [INFO] [stderr] | [INFO] [stderr] 64 | (nx as f64) / (ny as f64), [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f64::from(ny)` [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: an exclusive range would be more readable [INFO] [stderr] --> src/main.rs:68:14 [INFO] [stderr] | [INFO] [stderr] 68 | for j in (0..=ny - 1).rev() { [INFO] [stderr] | ^^^^^^^^^^^^ help: use: `0..ny` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::range_minus_one)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_minus_one [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:72:31 [INFO] [stderr] | [INFO] [stderr] 72 | let u: f64 = (i as f64 + rand::random::()) / nx as f64; [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(i)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:72:67 [INFO] [stderr] | [INFO] [stderr] 72 | let u: f64 = (i as f64 + rand::random::()) / nx as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(nx)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:31 [INFO] [stderr] | [INFO] [stderr] 73 | let v: f64 = (j as f64 + rand::random::()) / ny as f64; [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(j)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:67 [INFO] [stderr] | [INFO] [stderr] 73 | let v: f64 = (j as f64 + rand::random::()) / ny as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(ny)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:78:25 [INFO] [stderr] | [INFO] [stderr] 78 | col = col / ns as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(ns)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: The function/method `scatter` doesn't need a mutable reference [INFO] [stderr] --> src/main.rs:94:27 [INFO] [stderr] | [INFO] [stderr] 94 | .scatter(ray, &mut rec, &mut attenuation, &mut scattered) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_mut_passed)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:17 [INFO] [stderr] | [INFO] [stderr] 121 | a as f64 + 0.9 * rng.gen::(), [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(a)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | b as f64 + 0.9 * rng.gen::(), [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(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] error: strict comparison of f32 or f64 [INFO] [stderr] --> src/lambertian.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | assert_eq!(vec.dot(&Vector3::new(0.0, 0.0, 0.0)), 0.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/lambertian.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | assert_eq!(vec.dot(&Vector3::new(0.0, 0.0, 0.0)), 0.0); [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/vector.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 170 | assert_eq!(vec.x(), 1.2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:170:5 [INFO] [stderr] | [INFO] [stderr] 170 | assert_eq!(vec.x(), 1.2); [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/vector.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | assert_eq!(vec.y(), 3.4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:171:5 [INFO] [stderr] | [INFO] [stderr] 171 | assert_eq!(vec.y(), 3.4); [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/vector.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | assert_eq!(vec.z(), 6.7); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:172:5 [INFO] [stderr] | [INFO] [stderr] 172 | assert_eq!(vec.z(), 6.7); [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/vector.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | assert_eq!(vec.r(), 0.2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:178:5 [INFO] [stderr] | [INFO] [stderr] 178 | assert_eq!(vec.r(), 0.2); [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/vector.rs:179:5 [INFO] [stderr] | [INFO] [stderr] 179 | assert_eq!(vec.g(), 0.4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:179:5 [INFO] [stderr] | [INFO] [stderr] 179 | assert_eq!(vec.g(), 0.4); [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/vector.rs:180:5 [INFO] [stderr] | [INFO] [stderr] 180 | assert_eq!(vec.b(), 0.7347845); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:180:5 [INFO] [stderr] | [INFO] [stderr] 180 | assert_eq!(vec.b(), 0.7347845); [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/vector.rs:220:5 [INFO] [stderr] | [INFO] [stderr] 220 | assert_eq!(vec.length(), 5.0); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:220:5 [INFO] [stderr] | [INFO] [stderr] 220 | assert_eq!(vec.length(), 5.0); [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/vector.rs:234:5 [INFO] [stderr] | [INFO] [stderr] 234 | assert_eq!(vec_1.dot(&vec_2), 0.35); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available. [INFO] [stderr] --> src/vector.rs:234:5 [INFO] [stderr] | [INFO] [stderr] 234 | assert_eq!(vec_1.dot(&vec_2), 0.35); [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] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | (nx as f64) / (ny as f64), [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f64::from(nx)` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::cast_lossless)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:64:23 [INFO] [stderr] | [INFO] [stderr] 64 | (nx as f64) / (ny as f64), [INFO] [stderr] | ^^^^^^^^^^^ help: try: `f64::from(ny)` [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: an exclusive range would be more readable [INFO] [stderr] --> src/main.rs:68:14 [INFO] [stderr] | [INFO] [stderr] 68 | for j in (0..=ny - 1).rev() { [INFO] [stderr] | ^^^^^^^^^^^^ help: use: `0..ny` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::range_minus_one)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_minus_one [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:72:31 [INFO] [stderr] | [INFO] [stderr] 72 | let u: f64 = (i as f64 + rand::random::()) / nx as f64; [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(i)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:72:67 [INFO] [stderr] | [INFO] [stderr] 72 | let u: f64 = (i as f64 + rand::random::()) / nx as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(nx)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:31 [INFO] [stderr] | [INFO] [stderr] 73 | let v: f64 = (j as f64 + rand::random::()) / ny as f64; [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(j)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:73:67 [INFO] [stderr] | [INFO] [stderr] 73 | let v: f64 = (j as f64 + rand::random::()) / ny as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(ny)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:78:25 [INFO] [stderr] | [INFO] [stderr] 78 | col = col / ns as f64; [INFO] [stderr] | ^^^^^^^^^ help: try: `f64::from(ns)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: The function/method `scatter` doesn't need a mutable reference [INFO] [stderr] --> src/main.rs:94:27 [INFO] [stderr] | [INFO] [stderr] 94 | .scatter(ray, &mut rec, &mut attenuation, &mut scattered) [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(clippy::unnecessary_mut_passed)] on by default [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:121:17 [INFO] [stderr] | [INFO] [stderr] 121 | a as f64 + 0.9 * rng.gen::(), [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(a)` [INFO] [stderr] | [INFO] [stderr] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless [INFO] [stderr] [INFO] [stderr] warning: casting i32 to f64 may become silently lossy if types change [INFO] [stderr] --> src/main.rs:123:17 [INFO] [stderr] | [INFO] [stderr] 123 | b as f64 + 0.9 * rng.gen::(), [INFO] [stderr] | ^^^^^^^^ help: try: `f64::from(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] error: aborting due to 9 previous errors [INFO] [stderr] [INFO] [stderr] error: Could not compile `ray_learn`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "6ce58a8e0fd88fe154669ac35104c7c99cbf515502dca353275db9ad95f92c57"` [INFO] running `"docker" "rm" "-f" "6ce58a8e0fd88fe154669ac35104c7c99cbf515502dca353275db9ad95f92c57"` [INFO] [stdout] 6ce58a8e0fd88fe154669ac35104c7c99cbf515502dca353275db9ad95f92c57