[INFO] updating cached repository andrewvy/ray-tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andrewvy/ray-tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewvy/ray-tracer" "work/ex/clippy-test-run/sources/stable/gh/andrewvy/ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/andrewvy/ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andrewvy/ray-tracer" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andrewvy/ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andrewvy/ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fbd1f7f533097fe8885fd31be78bb60315a198ce
[INFO] sha for GitHub repo andrewvy/ray-tracer: fbd1f7f533097fe8885fd31be78bb60315a198ce
[INFO] validating manifest of andrewvy/ray-tracer 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 andrewvy/ray-tracer 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 andrewvy/ray-tracer
[INFO] finished frobbing andrewvy/ray-tracer
[INFO] frobbed toml for andrewvy/ray-tracer written to work/ex/clippy-test-run/sources/stable/gh/andrewvy/ray-tracer/Cargo.toml
[INFO] started frobbing andrewvy/ray-tracer
[INFO] finished frobbing andrewvy/ray-tracer
[INFO] frobbed toml for andrewvy/ray-tracer written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/andrewvy/ray-tracer/Cargo.toml
[INFO] crate andrewvy/ray-tracer 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 andrewvy/ray-tracer against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/andrewvy/ray-tracer:/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] 0cdbc9c39289676ad5b4f06d13a182b4a5b1d789fe8122a1b70af34c86e211fe
[INFO] running `"docker" "start" "-a" "0cdbc9c39289676ad5b4f06d13a182b4a5b1d789fe8122a1b70af34c86e211fe"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.5
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking ray_tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/ray.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             origin: origin,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `origin`
[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/ray.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             direction: direction
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[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/vec.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             p1: p1,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p1`
[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/vec.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             p2: p2,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p2`
[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/vec.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             p3: p3,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p3`
[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/model.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             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/model.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             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/model.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         point: point,
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: replace it with: `point`
[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/ray.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             origin: origin,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `origin`
[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/ray.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             direction: direction
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[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/vec.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |             p1: p1,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p1`
[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/vec.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |             p2: p2,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p2`
[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/vec.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             p3: p3,
[INFO] [stderr]    |             ^^^^^^ help: replace it with: `p3`
[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/model.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             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/model.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             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/model.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         point: point,
[INFO] [stderr]    |                         ^^^^^^^^^^^^ help: replace it with: `point`
[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/model.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/material.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return point;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `point`
[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:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         return Vec3::new(5.0, 5.0, 3.0).mul_vec3(&attenuation);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::new(5.0, 5.0, 3.0).mul_vec3(&attenuation)`
[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:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return attenuation.mul_vec3(&sky);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `attenuation.mul_vec3(&sky)`
[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/model.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/material.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     return point;
[INFO] [stderr]    |     ^^^^^^^^^^^^^ help: remove `return` as shown: `point`
[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:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         return Vec3::new(5.0, 5.0, 3.0).mul_vec3(&attenuation);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Vec3::new(5.0, 5.0, 3.0).mul_vec3(&attenuation)`
[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:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return attenuation.mul_vec3(&sky);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `attenuation.mul_vec3(&sky)`
[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: method is never used: `x`
[INFO] [stderr]   --> src/vec.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn x(&self) -> f64 { self.p1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `z`
[INFO] [stderr]   --> src/vec.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn z(&self) -> f64 { self.p3 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `r`
[INFO] [stderr]   --> src/vec.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn r(&self) -> f64 { self.p1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `g`
[INFO] [stderr]   --> src/vec.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn g(&self) -> f64 { self.p2 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `b`
[INFO] [stderr]   --> src/vec.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn b(&self) -> f64 { self.p3 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/vec.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn cross(&self, v2: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/model.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(center: Vec3, radius: f64) -> Sphere {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/model.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |                         point: point.clone(),
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stderr]   --> src/main.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn color_from_ray(mut ray: Ray, scene: &Box<Model>) -> Vec3 {
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: try: `&Model`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::borrowed_box)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:35
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let u: f64 = (x as f64 + rand::random::<f64>()) / width as f64;
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(x)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:71
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let u: f64 = (x as f64 + rand::random::<f64>()) / width as f64;
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^ help: try: `f64::from(width)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let v: f64 = (j as f64 + rand::random::<f64>()) / height 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:71
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let v: f64 = (j as f64 + rand::random::<f64>()) / height as f64;
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `f64::from(height)`
[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:112:28
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     .div_t(number_of_samples as f64);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(number_of_samples)`
[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: `x`
[INFO] [stderr]   --> src/vec.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn x(&self) -> f64 { self.p1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `z`
[INFO] [stderr]   --> src/vec.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn z(&self) -> f64 { self.p3 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `r`
[INFO] [stderr]   --> src/vec.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn r(&self) -> f64 { self.p1 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `g`
[INFO] [stderr]   --> src/vec.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn g(&self) -> f64 { self.p2 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `b`
[INFO] [stderr]   --> src/vec.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn b(&self) -> f64 { self.p3 }
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `cross`
[INFO] [stderr]   --> src/vec.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn cross(&self, v2: &Vec3) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/model.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn new(center: Vec3, radius: f64) -> Sphere {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]   --> src/model.rs:52:32
[INFO] [stderr]    |
[INFO] [stderr] 52 |                         point: point.clone(),
[INFO] [stderr]    |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use `&Box<T>`. Consider using just `&T`
[INFO] [stderr]   --> src/main.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn color_from_ray(mut ray: Ray, scene: &Box<Model>) -> Vec3 {
[INFO] [stderr]    |                                        ^^^^^^^^^^^ help: try: `&Model`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::borrowed_box)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#borrowed_box
[INFO] [stderr] 
[INFO] [stderr] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:35
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let u: f64 = (x as f64 + rand::random::<f64>()) / width as f64;
[INFO] [stderr]     |                                   ^^^^^^^^ help: try: `f64::from(x)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:102:71
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     let u: f64 = (x as f64 + rand::random::<f64>()) / width as f64;
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^ help: try: `f64::from(width)`
[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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:35
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let v: f64 = (j as f64 + rand::random::<f64>()) / height 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]    --> src/main.rs:103:71
[INFO] [stderr]     |
[INFO] [stderr] 103 |                     let v: f64 = (j as f64 + rand::random::<f64>()) / height as f64;
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: try: `f64::from(height)`
[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:112:28
[INFO] [stderr]     |
[INFO] [stderr] 112 |                     .div_t(number_of_samples as f64);
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `f64::from(number_of_samples)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.03s
[INFO] running `"docker" "inspect" "0cdbc9c39289676ad5b4f06d13a182b4a5b1d789fe8122a1b70af34c86e211fe"`
[INFO] running `"docker" "rm" "-f" "0cdbc9c39289676ad5b4f06d13a182b4a5b1d789fe8122a1b70af34c86e211fe"`
[INFO] [stdout] 0cdbc9c39289676ad5b4f06d13a182b4a5b1d789fe8122a1b70af34c86e211fe