[INFO] cloning repository https://github.com/LiemDQ/shine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LiemDQ/shine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiemDQ%2Fshine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiemDQ%2Fshine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d52fe8d1744fc43fba6b172b62009684a1d0f8c
[INFO] checking LiemDQ/shine against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLiemDQ%2Fshine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LiemDQ/shine on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LiemDQ/shine
[INFO] finished tweaking git repo https://github.com/LiemDQ/shine
[INFO] tweaked toml for git repo https://github.com/LiemDQ/shine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/LiemDQ/shine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ddd681235a93fc8eae5af491e5d03e9d853ebb61fe1d59395940f7529ecea19
[INFO] running `Command { std: "docker" "start" "-a" "7ddd681235a93fc8eae5af491e5d03e9d853ebb61fe1d59395940f7529ecea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ddd681235a93fc8eae5af491e5d03e9d853ebb61fe1d59395940f7529ecea19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddd681235a93fc8eae5af491e5d03e9d853ebb61fe1d59395940f7529ecea19", kill_on_drop: false }`
[INFO] [stdout] 7ddd681235a93fc8eae5af491e5d03e9d853ebb61fe1d59395940f7529ecea19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06fbde9f3d378e3eea56946ebd53fbd254ad62c79e724f1eec114c1a56b1e99b
[INFO] running `Command { std: "docker" "start" "-a" "06fbde9f3d378e3eea56946ebd53fbd254ad62c79e724f1eec114c1a56b1e99b", kill_on_drop: false }`
[INFO] [stderr]     Checking shine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/coords.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{PartialEq};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float_eq`
[INFO] [stdout]  --> src/canvas.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::{float_eq, float_approx};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Sub`
[INFO] [stdout]  --> src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub, Mul};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sphere`
[INFO] [stdout]  --> src/ray.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::geometry::{Sphere, Shape};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `world`
[INFO] [stdout]  --> src/geometry.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{intersections, world};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/coords.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{PartialEq};
[INFO] [stdout]   |                ^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `assert_delta` is imported redundantly
[INFO] [stdout]   --> src/coords.rs:5:5
[INFO] [stdout]    |
[INFO] [stdout] 5  |   use crate::assert_delta;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/utils.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / macro_rules! assert_delta {
[INFO] [stdout] 10 | |     ($x:expr, $y:expr, $d:expr) => {
[INFO] [stdout] 11 | |         if $x - $y > 0.0 {
[INFO] [stdout] 12 | |             assert!($x - $y < $d);
[INFO] [stdout] ...  |
[INFO] [stdout] 16 | |     };
[INFO] [stdout] 17 | | }
[INFO] [stdout]    | |_- the item `assert_delta` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `float_eq`
[INFO] [stdout]  --> src/canvas.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::{float_eq, float_approx};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add`, `Sub`
[INFO] [stdout]  --> src/matrix.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub, Mul};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> src/matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Coord` is imported redundantly
[INFO] [stdout]    --> src/ray.rs:778:17
[INFO] [stdout]     |
[INFO] [stdout] 478 |     use super::*;
[INFO] [stdout]     |         -------- the item `Coord` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 778 |     use crate::{coords::Coord, geometry::Plane};
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/ray.rs:780:9
[INFO] [stdout]     |
[INFO] [stdout] 780 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `world`
[INFO] [stdout]  --> src/geometry.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{intersections, world};
[INFO] [stdout]   |                            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_vec` and `to_pt` are never used
[INFO] [stdout]   --> src/coords.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Coord {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn to_vec(self) -> Vector;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     fn to_pt(self) -> Point;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot` is never used
[INFO] [stdout]    --> src/coords.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn dot(lhs: Vector, rhs: Vector) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `height`, `width`, `pixel_at`, `pixel_at_mut`, and `fill` are never used
[INFO] [stdout]    --> src/canvas.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl Canvas {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn height(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn width(&self) ->  usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 188 |     pub fn pixel_at(&self, x: usize, y: usize) -> &Pixel {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn pixel_at_mut(&mut self, x: usize, y: usize) -> &mut Pixel {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 240 |     pub fn fill(&mut self, pixel: Pixel) -> &mut Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `translation`, `scaling`, `rotation_x`, `rotation_y`, `rotation_z`, and `shearing` are never used
[INFO] [stdout]   --> src/matrix.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait LinAlg {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn translation(self, x: f64, y: f64, z: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn scaling(self, x: f64, y: f64, z: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn rotation_x(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn rotation_y(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn rotation_z(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn shearing(self, xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4:...
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotation_z` is never used
[INFO] [stdout]   --> src/transforms.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn rotation_z(angle: f64) -> Matrix4 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shearing` is never used
[INFO] [stdout]   --> src/transforms.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn shearing(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix4 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hit` is never used
[INFO] [stdout]   --> src/ray.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn hit<'a>(intersections: &'a Vec<Intersection<'a>> ) -> Option<&'a Intersection<'a>>{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_transform` is never used
[INFO] [stdout]   --> src/ray.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub trait Pattern: Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn set_transform(&mut self, t: Matrix4);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl TestPattern {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 124 |     pub fn new() -> Box<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:152:12
[INFO] [stdout]     |
[INFO] [stdout] 151 | impl StripePattern {
[INFO] [stdout]     | ------------------ associated function in this implementation
[INFO] [stdout] 152 |     pub fn new(a: Color, b: Color) -> Box<Self> { 
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:187:12
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl GradientPattern {
[INFO] [stdout]     | -------------------- associated function in this implementation
[INFO] [stdout] 187 |     pub fn new(a: Color, b: Color) -> Box<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:214:12
[INFO] [stdout]     |
[INFO] [stdout] 213 | impl RingPattern {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 214 |     pub fn new(a: Color, b: Color) -> Box<Self> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl Material {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 304 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `t`, `point`, and `inside` are never read
[INFO] [stdout]    --> src/ray.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 400 | pub struct Computations<'a> {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 401 |     pub t: f64,
[INFO] [stdout]     |         ^
[INFO] [stdout] 402 |     pub object: &'a dyn Shape,
[INFO] [stdout] 403 |     pub point: Point,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 409 |     pub inside: bool,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_glass` is never used
[INFO] [stdout]   --> src/geometry.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Sphere {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn new_glass() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `initial_shade_hit` is never used
[INFO] [stdout]   --> src/world.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl World {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub fn initial_shade_hit(&self, comps: &Computations) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field_of_view` is never read
[INFO] [stdout]    --> src/world.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct Camera {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub field_of_view: f64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `height` should have an upper case name
[INFO] [stdout]    --> src/matrix.rs:332:11
[INFO] [stdout]     |
[INFO] [stdout] 332 |     const height: usize = 4;
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `width` should have an upper case name
[INFO] [stdout]    --> src/matrix.rs:333:11
[INFO] [stdout]     |
[INFO] [stdout] 333 |     const width: usize = 4;
[INFO] [stdout]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/world.rs:477:13
[INFO] [stdout]     |
[INFO] [stdout] 477 |         let color = w.color_at(&ray, World::MAX_REFLECTIONS); //should terminate successfully.
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_vec` and `to_pt` are never used
[INFO] [stdout]   --> src/coords.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait Coord {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn to_vec(self) -> Vector;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 12 |
[INFO] [stdout] 13 |     fn to_pt(self) -> Point;
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dot` is never used
[INFO] [stdout]    --> src/coords.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn dot(lhs: Vector, rhs: Vector) -> f64 {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `height`, `width`, and `pixel_at_mut` are never used
[INFO] [stdout]    --> src/canvas.rs:176:12
[INFO] [stdout]     |
[INFO] [stdout] 162 | impl Canvas {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 176 |     pub fn height(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |     pub fn width(&self) ->  usize {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 192 |     pub fn pixel_at_mut(&mut self, x: usize, y: usize) -> &mut Pixel {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `translation`, `scaling`, `rotation_x`, `rotation_y`, `rotation_z`, and `shearing` are never used
[INFO] [stdout]   --> src/matrix.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub trait LinAlg {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn translation(self, x: f64, y: f64, z: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn scaling(self, x: f64, y: f64, z: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn rotation_x(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn rotation_y(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn rotation_z(self, angle: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4: Mul<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn shearing(self, xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> <Matrix4 as Mul<Self>>::Output where Self: Sized, Matrix4:...
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_transform` is never used
[INFO] [stdout]   --> src/ray.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub trait Pattern: Debug {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 84 |     fn set_transform(&mut self, t: Matrix4);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/ray.rs:304:12
[INFO] [stdout]     |
[INFO] [stdout] 303 | impl Material {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 304 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `field_of_view` is never read
[INFO] [stdout]    --> src/world.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 151 | pub struct Camera {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 154 |     pub field_of_view: f64,
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `height` should have an upper case name
[INFO] [stdout]    --> src/matrix.rs:332:11
[INFO] [stdout]     |
[INFO] [stdout] 332 |     const height: usize = 4;
[INFO] [stdout]     |           ^^^^^^ help: convert the identifier to upper case: `HEIGHT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `width` should have an upper case name
[INFO] [stdout]    --> src/matrix.rs:333:11
[INFO] [stdout]     |
[INFO] [stdout] 333 |     const width: usize = 4;
[INFO] [stdout]     |           ^^^^^ help: convert the identifier to upper case: `WIDTH`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "06fbde9f3d378e3eea56946ebd53fbd254ad62c79e724f1eec114c1a56b1e99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06fbde9f3d378e3eea56946ebd53fbd254ad62c79e724f1eec114c1a56b1e99b", kill_on_drop: false }`
[INFO] [stdout] 06fbde9f3d378e3eea56946ebd53fbd254ad62c79e724f1eec114c1a56b1e99b