[INFO] updating cached repository Basti110/ray-tracing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Basti110/ray-tracing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Basti110/ray-tracing" "work/ex/clippy-test-run/sources/stable/gh/Basti110/ray-tracing"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/Basti110/ray-tracing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Basti110/ray-tracing" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Basti110/ray-tracing"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Basti110/ray-tracing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c78e70e563ff8022d54f50e53c92a750561d9ab
[INFO] sha for GitHub repo Basti110/ray-tracing: 8c78e70e563ff8022d54f50e53c92a750561d9ab
[INFO] validating manifest of Basti110/ray-tracing 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 Basti110/ray-tracing 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 Basti110/ray-tracing
[INFO] finished frobbing Basti110/ray-tracing
[INFO] frobbed toml for Basti110/ray-tracing written to work/ex/clippy-test-run/sources/stable/gh/Basti110/ray-tracing/Cargo.toml
[INFO] started frobbing Basti110/ray-tracing
[INFO] finished frobbing Basti110/ray-tracing
[INFO] frobbed toml for Basti110/ray-tracing written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/Basti110/ray-tracing/Cargo.toml
[INFO] crate Basti110/ray-tracing 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 Basti110/ray-tracing against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/Basti110/ray-tracing:/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] 8029ba38c58cb463eb0daa88488688a75cbf1790683e6e4cfcf406de33b260d0
[INFO] running `"docker" "start" "-a" "8029ba38c58cb463eb0daa88488688a75cbf1790683e6e4cfcf406de33b260d0"`
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking ray-tracing v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/sphere_node.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/sphere_node.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/sphere_node.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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_node.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/node_3d.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/scene.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             root: root,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `root`
[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/scene.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/light.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/light.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/light.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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/light.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             intensity: intensity,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `intensity`
[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/plane.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/plane.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/plane.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             normal: normal,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `normal`
[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/plane.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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_node.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/sphere_node.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/sphere_node.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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_node.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/node_3d.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/scene.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             root: root,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `root`
[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/scene.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/light.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/light.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/light.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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/light.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             intensity: intensity,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `intensity`
[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/plane.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |             name: name,
[INFO] [stderr]    |             ^^^^^^^^^^ help: replace it with: `name`
[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/plane.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |             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/plane.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |             normal: normal,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^ help: replace it with: `normal`
[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/plane.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |             color: color,
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: replace it with: `color`
[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/sphere_node.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/sphere_node.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/sphere_node.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/sphere_node.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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: unused import: `Node3D`
[INFO] [stderr]  --> src/camera_node.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Node3D, Node, Ray, Color};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/camera_node.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/camera_node.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/camera_node.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/camera_node.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/camera_node.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         return Color::new(0.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(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#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/node_3d.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/node_3d.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/node_3d.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/node_3d.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/node_3d.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         return Color::new(0.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(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#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scene.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         return Rc::clone(&self.renderer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Rc::clone(&self.renderer)`
[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/scene_items.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Color::new(self.red, self.green, self.blue);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(self.red, self.green, self.blue)`
[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/scene_items.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return (self.red * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.red * 255.0) as u8`
[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/scene_items.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return (self.green * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.green * 255.0) as u8`
[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/scene_items.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return (self.blue * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.blue * 255.0) as u8`
[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: unused import: `Light`
[INFO] [stderr]  --> src/render_system.rs:1:50
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Scene, CameraNode, Node, Ray, Color, Light};
[INFO] [stderr]   |                                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/render_system.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return cur_obj;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `cur_obj`
[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: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/render_system.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let light_power = (intersection.normal.dot(direction_to_light) as f32);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/render_system.rs:107:36
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let light_reflected = 1.0; /// std::f32::consts::PI;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/light.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/light.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/light.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/light.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/light.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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/plane.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/plane.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/plane.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/plane.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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: unused import: `Weak`
[INFO] [stderr]   --> src/main.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::rc::{Weak, Rc};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/sphere_node.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/sphere_node.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/sphere_node.rs:54:9
[INFO] [stderr]    |
[INFO] [stderr] 54 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/sphere_node.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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: unused import: `Node3D`
[INFO] [stderr]  --> src/camera_node.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Node3D, Node, Ray, Color};
[INFO] [stderr]   |             ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/camera_node.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/camera_node.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/camera_node.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/camera_node.rs:66:9
[INFO] [stderr]    |
[INFO] [stderr] 66 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/camera_node.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         return Color::new(0.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(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#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/node_3d.rs:43:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/node_3d.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/node_3d.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/node_3d.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/node_3d.rs:67:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         return Color::new(0.0, 0.0, 0.0);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(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#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/scene.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         return Rc::clone(&self.renderer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Rc::clone(&self.renderer)`
[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/scene_items.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |         return Color::new(self.red, self.green, self.blue);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Color::new(self.red, self.green, self.blue)`
[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/scene_items.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         return (self.red * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.red * 255.0) as u8`
[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/scene_items.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return (self.green * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.green * 255.0) as u8`
[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/scene_items.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |         return (self.blue * 255.0) as u8;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(self.blue * 255.0) as u8`
[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: unused import: `Light`
[INFO] [stderr]  --> src/render_system.rs:1:50
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{Scene, CameraNode, Node, Ray, Color, Light};
[INFO] [stderr]   |                                                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/render_system.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return cur_obj;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: remove `return` as shown: `cur_obj`
[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: unnecessary parentheses around assigned value
[INFO] [stderr]    --> src/render_system.rs:100:27
[INFO] [stderr]     |
[INFO] [stderr] 100 |         let light_power = (intersection.normal.dot(direction_to_light) as f32);
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: doc comment not used by rustdoc
[INFO] [stderr]    --> src/render_system.rs:107:36
[INFO] [stderr]     |
[INFO] [stderr] 107 |         let light_reflected = 1.0; /// std::f32::consts::PI;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/light.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/light.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/light.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/light.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return None;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove `return` as shown: `None`
[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/light.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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/plane.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         return Some(Rc::clone(&(*strong))); //Some(Rc::clone(&(*(&self.parent))));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(*strong)))`
[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/plane.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         return Some(Rc::clone(&(self.childs[index])));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Some(Rc::clone(&(self.childs[index])))`
[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/plane.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |         return self.size;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.size`
[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/plane.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         return self.color.copy();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.color.copy()`
[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: unused import: `Weak`
[INFO] [stderr]   --> src/main.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 | use std::rc::{Weak, Rc};
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/camera_node.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/node_3d.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera`
[INFO] [stderr]   --> src/scene.rs:22:55
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(name: String, root: Rc<RefCell<Node>>, camera: Rc<RefCell<CameraNode>>) -> Scene {
[INFO] [stderr]    |                                                       ^^^^^^ help: consider using `_camera` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/light.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/camera_node.rs:65:25
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/node_3d.rs:62:25
[INFO] [stderr]    |
[INFO] [stderr] 62 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `camera`
[INFO] [stderr]   --> src/scene.rs:22:55
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(name: String, root: Rc<RefCell<Node>>, camera: Rc<RefCell<CameraNode>>) -> Scene {
[INFO] [stderr]    |                                                       ^^^^^^ help: consider using `_camera` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ray`
[INFO] [stderr]   --> src/light.rs:71:25
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn intersect(&self, ray: &Ray) -> Option<(f64, Vector3<f64>)> {
[INFO] [stderr]    |                         ^^^ help: consider using `_ray` instead
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `plane_with`
[INFO] [stderr]   --> src/camera_node.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     plane_with: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `plane_height`
[INFO] [stderr]   --> src/camera_node.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     plane_height: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |             red: (r as f32)  / 255.0,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: try: `f32::from(r)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |             green: (g as f32) / 255.0,
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f32::from(g)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |             blue: (b as f32) / 255.0,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: try: `f32::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] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let aspect_ratio = (width as f64) / (height 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/scene_items.rs:93:41
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let aspect_ratio = (width as 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let sensor_x = ((((x as f64 + 0.5) / width as f64) * 2.0 - 1.0) * aspect_ratio) * fov_adjustment;
[INFO] [stderr]    |                        ^^^^^^^^ help: try: `f64::from(x)`
[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/scene_items.rs:94:42
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let sensor_x = ((((x as f64 + 0.5) / width as f64) * 2.0 - 1.0) * aspect_ratio) * fov_adjustment;
[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/scene_items.rs:95:29
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let sensor_y = (1.0 - ((y as f64 + 0.5) / height as f64) * 2.0) * fov_adjustment;
[INFO] [stderr]    |                             ^^^^^^^^ help: try: `f64::from(y)`
[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/scene_items.rs:95:47
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let sensor_y = (1.0 - ((y as f64 + 0.5) / height as f64) * 2.0) * fov_adjustment;
[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: field is never used: `plane_with`
[INFO] [stderr]   --> src/camera_node.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     plane_with: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `plane_height`
[INFO] [stderr]   --> src/camera_node.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     plane_height: f64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:22:18
[INFO] [stderr]    |
[INFO] [stderr] 22 |             red: (r as f32)  / 255.0,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: try: `f32::from(r)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:23:20
[INFO] [stderr]    |
[INFO] [stderr] 23 |             green: (g as f32) / 255.0,
[INFO] [stderr]    |                    ^^^^^^^^^^ help: try: `f32::from(g)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to f32 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:24:19
[INFO] [stderr]    |
[INFO] [stderr] 24 |             blue: (b as f32) / 255.0,
[INFO] [stderr]    |                   ^^^^^^^^^^ help: try: `f32::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] warning: casting u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:93:24
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let aspect_ratio = (width as f64) / (height 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/scene_items.rs:93:41
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let aspect_ratio = (width as 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 u32 to f64 may become silently lossy if types change
[INFO] [stderr]   --> src/scene_items.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let sensor_x = ((((x as f64 + 0.5) / width as f64) * 2.0 - 1.0) * aspect_ratio) * fov_adjustment;
[INFO] [stderr]    |                        ^^^^^^^^ help: try: `f64::from(x)`
[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/scene_items.rs:94:42
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let sensor_x = ((((x as f64 + 0.5) / width as f64) * 2.0 - 1.0) * aspect_ratio) * fov_adjustment;
[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/scene_items.rs:95:29
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let sensor_y = (1.0 - ((y as f64 + 0.5) / height as f64) * 2.0) * fov_adjustment;
[INFO] [stderr]    |                             ^^^^^^^^ help: try: `f64::from(y)`
[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/scene_items.rs:95:47
[INFO] [stderr]    |
[INFO] [stderr] 95 |     let sensor_y = (1.0 - ((y as f64 + 0.5) / height as f64) * 2.0) * fov_adjustment;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 11.97s
[INFO] running `"docker" "inspect" "8029ba38c58cb463eb0daa88488688a75cbf1790683e6e4cfcf406de33b260d0"`
[INFO] running `"docker" "rm" "-f" "8029ba38c58cb463eb0daa88488688a75cbf1790683e6e4cfcf406de33b260d0"`
[INFO] [stdout] 8029ba38c58cb463eb0daa88488688a75cbf1790683e6e4cfcf406de33b260d0