[INFO] updating cached repository https://github.com/9999years/ray-marcher
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/9999years/ray-marcher
[INFO] [stderr]    e8c0512..ad4ad04  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad4ad04bf98a2c8b474e6f9dfb97e0d299697bda
[INFO] checking 9999years/ray-marcher against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2F9999years%2Fray-marcher" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/9999years/ray-marcher on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/9999years/ray-marcher
[INFO] finished tweaking git repo https://github.com/9999years/ray-marcher
[INFO] tweaked toml for git repo https://github.com/9999years/ray-marcher written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/9999years/ray-marcher already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 35124e4638a5beb8f31cfbdc5a4c34e5c5347ba48cfcf10b61a694c3a56a989d
[INFO] running `"docker" "start" "-a" "35124e4638a5beb8f31cfbdc5a4c34e5c5347ba48cfcf10b61a694c3a56a989d"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling unindent v0.1.3
[INFO] [stderr]    Compiling vek v0.9.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking color_processing v0.3.1
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]    Compiling palette v0.4.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling palette_derive v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling proc-macro-hack v0.5.5
[INFO] [stderr]    Compiling indoc-impl v0.3.4
[INFO] [stderr]     Checking indoc v0.3.4
[INFO] [stderr]     Checking serde v1.0.100
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking ray-marcher v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `assert_ne`
[INFO] [stderr]    --> src/serialize.rs:265:40
[INFO] [stderr]     |
[INFO] [stderr] 265 |     use pretty_assertions::{assert_eq, assert_ne};
[INFO] [stderr]     |                                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFrom`
[INFO] [stderr]    --> src/serialize.rs:267:24
[INFO] [stderr]     |
[INFO] [stderr] 267 |     use std::convert::{TryFrom, TryInto};
[INFO] [stderr]     |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `serialize::Julia<T>` in public interface (error E0446)
[INFO] [stderr]    --> src/serialize.rs:174:11
[INFO] [stderr]     |
[INFO] [stderr] 174 |     Julia(Julia<T>),
[INFO] [stderr]     |           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scale`
[INFO] [stderr]   --> src/camera.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / fn scale<T>(val: T, domain: Range<T>, codomain: Range<T>) -> T
[INFO] [stderr] 10 | | where
[INFO] [stderr] 11 | |     T: Num + Copy + Lerp<Output = T> + Into<f32>,
[INFO] [stderr] 12 | | {
[INFO] [stderr] 13 | |     let scale = (val - domain.start) / (domain.end - domain.start);
[INFO] [stderr] 14 | |     T::lerp_unclamped(codomain.start, codomain.end, scale.into())
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `up`
[INFO] [stderr]   --> src/camera.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | /     pub fn up(&self) -> Vec3<T>
[INFO] [stderr] 38 | |     where
[INFO] [stderr] 39 | |         T: Num + Copy,
[INFO] [stderr] 40 | |     {
[INFO] [stderr] 41 | |         self.cam.direction.cross(self.right)
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `aspect`
[INFO] [stderr]   --> src/camera.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     pub fn aspect(&self) -> T
[INFO] [stderr] 45 | |     where
[INFO] [stderr] 46 | |         T: Div<Output = T> + Copy,
[INFO] [stderr] 47 | |     {
[INFO] [stderr] 48 | |         self.size.w / self.size.h
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ray`
[INFO] [stderr]   --> src/camera.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn ray(&self, location: Vec2<T>) -> (Vec3<T>, Vec3<T>)
[INFO] [stderr] 55 | |     where
[INFO] [stderr] 56 | |         T: Float + Sum,
[INFO] [stderr] 57 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |         (self.cam.origin + ray_on_viewport, ray_rot)
[INFO] [stderr] 75 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `aspect`
[INFO] [stderr]   --> src/camera.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | /     pub fn aspect(&self) -> T
[INFO] [stderr] 80 | |     where
[INFO] [stderr] 81 | |         T: Num + Copy,
[INFO] [stderr] 82 | |     {
[INFO] [stderr] 83 | |         self.view.aspect()
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `width`
[INFO] [stderr]   --> src/camera.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn width(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/camera.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 | /     pub fn height(&self) -> usize
[INFO] [stderr] 91 | |     where
[INFO] [stderr] 92 | |         T: Float + Into<usize>,
[INFO] [stderr] 93 | |     {
[INFO] [stderr] 94 | |         (T::from(self.width).unwrap() / self.aspect()).into()
[INFO] [stderr] 95 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `estimate`
[INFO] [stderr]   --> src/distance.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn estimate(&self, pos: Vec3<T>, rot: Vec3<T>) -> Option<Vec3<T>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normal`
[INFO] [stderr]   --> src/distance.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     pub fn normal(&self, pos: Vec3<T>) -> Vec3<T>
[INFO] [stderr] 84 | |     where
[INFO] [stderr] 85 | |         T: Float + Sum,
[INFO] [stderr] 86 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         .normalized()
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ImageData`
[INFO] [stderr]  --> src/img.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct ImageData {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `CHANNELS`
[INFO] [stderr]   --> src/img.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     const CHANNELS: usize = 4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/img.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `coords_to_inx`
[INFO] [stderr]   --> src/img.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn coords_to_inx(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inx_to_coords`
[INFO] [stderr]   --> src/img.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn inx_to_coords(&self, inx: usize) -> (usize, usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/img.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     fn set<C>(&mut self, x: usize, y: usize, color: C)
[INFO] [stderr] 32 | |     where
[INFO] [stderr] 33 | |         C: Pixel<u8>,
[INFO] [stderr] 34 | |     {
[INFO] [stderr] 35 | |         self.set_inx(self.coords_to_inx(x, y), color);
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_inx`
[INFO] [stderr]   --> src/img.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     fn set_inx<C>(&mut self, inx: usize, color: C)
[INFO] [stderr] 39 | |     where
[INFO] [stderr] 40 | |         C: Pixel<u8>,
[INFO] [stderr] 41 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |         &self.data[inx..inx + val.len()].copy_from_slice(val);
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indexes`
[INFO] [stderr]   --> src/img.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn indexes(&self) -> impl Iterator<Item = usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `coords`
[INFO] [stderr]   --> src/img.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn coords(&self) -> impl Iterator<Item = (usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indexes_coords`
[INFO] [stderr]   --> src/img.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn indexes_coords(&self) -> impl Iterator<Item = (usize, (usize, usize))> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `render_fn`
[INFO] [stderr]   --> src/img.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     fn render_fn<F, C>(&mut self, func: F)
[INFO] [stderr] 61 | |     where
[INFO] [stderr] 62 | |         F: Fn(usize, usize) -> Srgba<C>,
[INFO] [stderr] 63 | |         C: Component,
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |         }
[INFO] [stderr] 68 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlinnPhong`
[INFO] [stderr]   --> src/light.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / pub struct BlinnPhong<T, C>
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     T: Default + Clone,
[INFO] [stderr] 14 | |     C: Default + Clone,
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     lights: Vec<Light<T, C>>,
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lighting`
[INFO] [stderr]   --> src/light.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn lighting(&self, normal: Vec3<T>, mat: Material<T>) -> Alpha<C, T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_clap`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn to_clap<T>(r: Result<T, String>) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_int`
[INFO] [stderr]   --> src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn validate_int(s: String) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_int_range`
[INFO] [stderr]   --> src/main.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn validate_int_range(r: Range<i32>) -> impl Fn(String) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: private type `serialize::Julia<T>` in public interface (error E0446)
[INFO] [stderr]    --> src/serialize.rs:174:11
[INFO] [stderr]     |
[INFO] [stderr] 174 |     Julia(Julia<T>),
[INFO] [stderr]     |           ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(private_in_public)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `scale`
[INFO] [stderr]   --> src/camera.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / fn scale<T>(val: T, domain: Range<T>, codomain: Range<T>) -> T
[INFO] [stderr] 10 | | where
[INFO] [stderr] 11 | |     T: Num + Copy + Lerp<Output = T> + Into<f32>,
[INFO] [stderr] 12 | | {
[INFO] [stderr] 13 | |     let scale = (val - domain.start) / (domain.end - domain.start);
[INFO] [stderr] 14 | |     T::lerp_unclamped(codomain.start, codomain.end, scale.into())
[INFO] [stderr] 15 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `up`
[INFO] [stderr]   --> src/camera.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 | /     pub fn up(&self) -> Vec3<T>
[INFO] [stderr] 38 | |     where
[INFO] [stderr] 39 | |         T: Num + Copy,
[INFO] [stderr] 40 | |     {
[INFO] [stderr] 41 | |         self.cam.direction.cross(self.right)
[INFO] [stderr] 42 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `aspect`
[INFO] [stderr]   --> src/camera.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | /     pub fn aspect(&self) -> T
[INFO] [stderr] 45 | |     where
[INFO] [stderr] 46 | |         T: Div<Output = T> + Copy,
[INFO] [stderr] 47 | |     {
[INFO] [stderr] 48 | |         self.size.w / self.size.h
[INFO] [stderr] 49 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ray`
[INFO] [stderr]   --> src/camera.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 | /     pub fn ray(&self, location: Vec2<T>) -> (Vec3<T>, Vec3<T>)
[INFO] [stderr] 55 | |     where
[INFO] [stderr] 56 | |         T: Float + Sum,
[INFO] [stderr] 57 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 74 | |         (self.cam.origin + ray_on_viewport, ray_rot)
[INFO] [stderr] 75 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `aspect`
[INFO] [stderr]   --> src/camera.rs:79:5
[INFO] [stderr]    |
[INFO] [stderr] 79 | /     pub fn aspect(&self) -> T
[INFO] [stderr] 80 | |     where
[INFO] [stderr] 81 | |         T: Num + Copy,
[INFO] [stderr] 82 | |     {
[INFO] [stderr] 83 | |         self.view.aspect()
[INFO] [stderr] 84 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `width`
[INFO] [stderr]   --> src/camera.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     pub fn width(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `height`
[INFO] [stderr]   --> src/camera.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 | /     pub fn height(&self) -> usize
[INFO] [stderr] 91 | |     where
[INFO] [stderr] 92 | |         T: Float + Into<usize>,
[INFO] [stderr] 93 | |     {
[INFO] [stderr] 94 | |         (T::from(self.width).unwrap() / self.aspect()).into()
[INFO] [stderr] 95 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `estimate`
[INFO] [stderr]   --> src/distance.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn estimate(&self, pos: Vec3<T>, rot: Vec3<T>) -> Option<Vec3<T>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normal`
[INFO] [stderr]   --> src/distance.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | /     pub fn normal(&self, pos: Vec3<T>) -> Vec3<T>
[INFO] [stderr] 84 | |     where
[INFO] [stderr] 85 | |         T: Float + Sum,
[INFO] [stderr] 86 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 96 | |         .normalized()
[INFO] [stderr] 97 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ImageData`
[INFO] [stderr]  --> src/img.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct ImageData {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated const is never used: `CHANNELS`
[INFO] [stderr]   --> src/img.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     const CHANNELS: usize = 4;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/img.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `coords_to_inx`
[INFO] [stderr]   --> src/img.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn coords_to_inx(&self, x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `inx_to_coords`
[INFO] [stderr]   --> src/img.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn inx_to_coords(&self, inx: usize) -> (usize, usize) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]   --> src/img.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | /     fn set<C>(&mut self, x: usize, y: usize, color: C)
[INFO] [stderr] 32 | |     where
[INFO] [stderr] 33 | |         C: Pixel<u8>,
[INFO] [stderr] 34 | |     {
[INFO] [stderr] 35 | |         self.set_inx(self.coords_to_inx(x, y), color);
[INFO] [stderr] 36 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_inx`
[INFO] [stderr]   --> src/img.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     fn set_inx<C>(&mut self, inx: usize, color: C)
[INFO] [stderr] 39 | |     where
[INFO] [stderr] 40 | |         C: Pixel<u8>,
[INFO] [stderr] 41 | |     {
[INFO] [stderr] ...  |
[INFO] [stderr] 44 | |         &self.data[inx..inx + val.len()].copy_from_slice(val);
[INFO] [stderr] 45 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indexes`
[INFO] [stderr]   --> src/img.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn indexes(&self) -> impl Iterator<Item = usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `coords`
[INFO] [stderr]   --> src/img.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn coords(&self) -> impl Iterator<Item = (usize, usize)> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `indexes_coords`
[INFO] [stderr]   --> src/img.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn indexes_coords(&self) -> impl Iterator<Item = (usize, (usize, usize))> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `render_fn`
[INFO] [stderr]   --> src/img.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 | /     fn render_fn<F, C>(&mut self, func: F)
[INFO] [stderr] 61 | |     where
[INFO] [stderr] 62 | |         F: Fn(usize, usize) -> Srgba<C>,
[INFO] [stderr] 63 | |         C: Component,
[INFO] [stderr] ...  |
[INFO] [stderr] 67 | |         }
[INFO] [stderr] 68 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `BlinnPhong`
[INFO] [stderr]   --> src/light.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / pub struct BlinnPhong<T, C>
[INFO] [stderr] 12 | | where
[INFO] [stderr] 13 | |     T: Default + Clone,
[INFO] [stderr] 14 | |     C: Default + Clone,
[INFO] [stderr] ...  |
[INFO] [stderr] 17 | |     lights: Vec<Light<T, C>>,
[INFO] [stderr] 18 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lighting`
[INFO] [stderr]   --> src/light.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn lighting(&self, normal: Vec3<T>, mat: Material<T>) -> Alpha<C, T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `to_clap`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn to_clap<T>(r: Result<T, String>) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_int`
[INFO] [stderr]   --> src/main.rs:30:1
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn validate_int(s: String) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_int_range`
[INFO] [stderr]   --> src/main.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn validate_int_range(r: Range<i32>) -> impl Fn(String) -> ClapResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `"docker" "inspect" "35124e4638a5beb8f31cfbdc5a4c34e5c5347ba48cfcf10b61a694c3a56a989d"`
[INFO] running `"docker" "rm" "-f" "35124e4638a5beb8f31cfbdc5a4c34e5c5347ba48cfcf10b61a694c3a56a989d"`
[INFO] [stdout] 35124e4638a5beb8f31cfbdc5a4c34e5c5347ba48cfcf10b61a694c3a56a989d