[INFO] updating cached repository gam0022/hanamaru-renderer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gam0022/hanamaru-renderer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gam0022/hanamaru-renderer" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gam0022/hanamaru-renderer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gam0022/hanamaru-renderer'...
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[INFO] running `"git" "clone" "work/cache/sources/gh/gam0022/hanamaru-renderer" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gam0022/hanamaru-renderer"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gam0022/hanamaru-renderer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 16c4ade782e17893ab6f0d8d646422677c2b210e
[INFO] sha for GitHub repo gam0022/hanamaru-renderer: 16c4ade782e17893ab6f0d8d646422677c2b210e
[INFO] validating manifest of gam0022/hanamaru-renderer on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of gam0022/hanamaru-renderer on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing gam0022/hanamaru-renderer
[INFO] finished frobbing gam0022/hanamaru-renderer
[INFO] frobbed toml for gam0022/hanamaru-renderer written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gam0022/hanamaru-renderer/Cargo.toml
[INFO] started frobbing gam0022/hanamaru-renderer
[INFO] finished frobbing gam0022/hanamaru-renderer
[INFO] frobbed toml for gam0022/hanamaru-renderer written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gam0022/hanamaru-renderer/Cargo.toml
[INFO] crate gam0022/hanamaru-renderer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking gam0022/hanamaru-renderer against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gam0022/hanamaru-renderer:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a91c9531bf47e4ba3a9b3489790ba01cd0ab1b4aa71456aeb9bc64939b690e4
[INFO] running `"docker" "start" "-a" "0a91c9531bf47e4ba3a9b3489790ba01cd0ab1b4aa71456aeb9bc64939b690e4"`
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking hanamaru-renderer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:324:37
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn emissions(&self) -> Vec<&Box<Intersectable>>;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:328:27
[INFO] [stderr]     |
[INFO] [stderr] 328 |     pub elements: Vec<Box<Intersectable>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:335:38
[INFO] [stderr]     |
[INFO] [stderr] 335 |         let mut nearest: Option<&Box<Intersectable>> = None;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:356:37
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:362:40
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn add(&mut self, element: Box<Intersectable>) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:366:62
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<Intersectable>) -> bool {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:403:37
[INFO] [stderr]     |
[INFO] [stderr] 403 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:23:84
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn render(&mut self, scene: &SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:48:37
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:48:87
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:116:34
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:116:85
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:163:34
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:163:84
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:270:38
[INFO] [stderr]     |
[INFO] [stderr] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:270:71
[INFO] [stderr]     |
[INFO] [stderr] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:324:37
[INFO] [stderr]     |
[INFO] [stderr] 324 |     fn emissions(&self) -> Vec<&Box<Intersectable>>;
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:328:27
[INFO] [stderr]     |
[INFO] [stderr] 328 |     pub elements: Vec<Box<Intersectable>>,
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:335:38
[INFO] [stderr]     |
[INFO] [stderr] 335 |         let mut nearest: Option<&Box<Intersectable>> = None;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:356:37
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:362:40
[INFO] [stderr]     |
[INFO] [stderr] 362 |     pub fn add(&mut self, element: Box<Intersectable>) {
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:366:62
[INFO] [stderr]     |
[INFO] [stderr] 366 |     pub fn add_with_check_collisions(&mut self, element: Box<Intersectable>) -> bool {
[INFO] [stderr]     |                                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scene.rs:403:37
[INFO] [stderr]     |
[INFO] [stderr] 403 |     fn emissions(&self) -> Vec<&Box<Intersectable>> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:23:34
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:23:84
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color;
[INFO] [stderr]    |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:25:34
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn render(&mut self, scene: &SceneTrait, camera: &Camera, imgbuf: &mut ImageBuffer<Rgb<u8>, Vec<u8>>) -> u32 {
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:48:37
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/renderer.rs:48:87
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn supersampling(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, frag_coord: &Vector2, resolution: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:116:34
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:116:85
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, _emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, _: u32) -> Color {
[INFO] [stderr]     |                                                                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:163:34
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]     |                                  ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:163:84
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn calc_pixel(&self, scene: &SceneTrait, camera: &Camera, emissions: &Vec<&Box<Intersectable>>, normalized_coord: &Vector2, sampling: u32) -> Color {
[INFO] [stderr]     |                                                                                    ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:270:38
[INFO] [stderr]     |
[INFO] [stderr] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stderr]     |                                      ^^^^^^^^^^ help: use `dyn`: `dyn SceneTrait`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:270:71
[INFO] [stderr]     |
[INFO] [stderr] 270 |                              scene: &SceneTrait, emissions: &Vec<&Box<Intersectable>>, material: &PointMaterial) -> Vector3 {
[INFO] [stderr]     |                                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn Intersectable`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/renderer.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let (hit, mut intersection) = scene.intersect(&ray);
[INFO] [stderr]     |                       ----^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_z`
[INFO] [stderr]   --> src/matrix.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn rotate_z(t: f64) -> Matrix44 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/matrix.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn inverse(&self) -> Matrix44 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mix`
[INFO] [stderr]   --> src/math.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn mix(x: &Vector3, y: &Vector3, a: f64) -> Vector3 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/renderer.rs:176:23
[INFO] [stderr]     |
[INFO] [stderr] 176 |             let (hit, mut intersection) = scene.intersect(&ray);
[INFO] [stderr]     |                       ----^^^^^^^^^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rotate_z`
[INFO] [stderr]   --> src/matrix.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn rotate_z(t: f64) -> Matrix44 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inverse`
[INFO] [stderr]   --> src/matrix.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn inverse(&self) -> Matrix44 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mix`
[INFO] [stderr]   --> src/math.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub fn mix(x: &Vector3, y: &Vector3, a: f64) -> Vector3 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `"docker" "inspect" "0a91c9531bf47e4ba3a9b3489790ba01cd0ab1b4aa71456aeb9bc64939b690e4"`
[INFO] running `"docker" "rm" "-f" "0a91c9531bf47e4ba3a9b3489790ba01cd0ab1b4aa71456aeb9bc64939b690e4"`
[INFO] [stdout] 0a91c9531bf47e4ba3a9b3489790ba01cd0ab1b4aa71456aeb9bc64939b690e4