[INFO] cloning repository https://github.com/fredrikln/the-raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fredrikln/the-raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikln%2Fthe-raytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikln%2Fthe-raytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 268a715fe1d14455bfa1aad68ac13021776ca237
[INFO] checking fredrikln/the-raytracer-challenge against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikln%2Fthe-raytracer-challenge" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredrikln/the-raytracer-challenge on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fredrikln/the-raytracer-challenge
[INFO] finished tweaking git repo https://github.com/fredrikln/the-raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/fredrikln/the-raytracer-challenge written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fredrikln/the-raytracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62599de350e4f02fbe1c3815d027063ae66cb80b6a9541778fc88bc9118a830c
[INFO] running `Command { std: "docker" "start" "-a" "62599de350e4f02fbe1c3815d027063ae66cb80b6a9541778fc88bc9118a830c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62599de350e4f02fbe1c3815d027063ae66cb80b6a9541778fc88bc9118a830c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62599de350e4f02fbe1c3815d027063ae66cb80b6a9541778fc88bc9118a830c", kill_on_drop: false }`
[INFO] [stdout] 62599de350e4f02fbe1c3815d027063ae66cb80b6a9541778fc88bc9118a830c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be65b2d2d1a4c8852b4f511cd7b731c658be836a22cea6500c3c7dedcf88ee4d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be65b2d2d1a4c8852b4f511cd7b731c658be836a22cea6500c3c7dedcf88ee4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/canvas.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/sphere.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/sphere.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sphere::Sphere`
[INFO] [stdout]  --> src/intersection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vector::Vector`
[INFO] [stdout]   --> src/world.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::vector::Vector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/plane.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/plane.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/cube.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/cube.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/canvas.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sphere::Sphere`
[INFO] [stdout]   --> src/ray.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |   use crate::sphere::Sphere;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/sphere.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/sphere.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]   --> src/sphere.rs:81:23
[INFO] [stdout]    |
[INFO] [stdout] 81 |   use crate::object::{Object, Intersectable};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::sphere::Sphere`
[INFO] [stdout]  --> src/intersection.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::sphere::Sphere;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vector::Vector`
[INFO] [stdout]   --> src/world.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::vector::Vector;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/plane.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/plane.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]   --> src/plane.rs:67:7
[INFO] [stdout]    |
[INFO] [stdout] 67 |   use crate::matrix::Matrix;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::material::Material`
[INFO] [stdout]   --> src/plane.rs:68:7
[INFO] [stdout]    |
[INFO] [stdout] 68 |   use crate::material::Material;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::canvas::Color`
[INFO] [stdout]   --> src/plane.rs:69:7
[INFO] [stdout]    |
[INFO] [stdout] 69 |   use crate::canvas::Color;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]   --> src/plane.rs:70:23
[INFO] [stdout]    |
[INFO] [stdout] 70 |   use crate::object::{Object, Intersectable};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::intersection::Intersection`
[INFO] [stdout]  --> src/cube.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::intersection::Intersection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/cube.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Object,Intersectable};
[INFO] [stdout]   |                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light1`
[INFO] [stdout]    --> src/main.rs:162:7
[INFO] [stdout]     |
[INFO] [stdout] 162 |   let light1 = PointLight {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light2`
[INFO] [stdout]    --> src/main.rs:166:7
[INFO] [stdout]     |
[INFO] [stdout] 166 |   let light2 = PointLight {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light3`
[INFO] [stdout]    --> src/main.rs:170:7
[INFO] [stdout]     |
[INFO] [stdout] 170 |   let light3 = PointLight {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `light4`
[INFO] [stdout]    --> src/main.rs:174:7
[INFO] [stdout]     |
[INFO] [stdout] 174 |   let light4 = PointLight {
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_light4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/plane.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 |   fn normal(&self, p: Point) -> Vector {
[INFO] [stdout]    |                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/world.rs:52:11
[INFO] [stdout]    |
[INFO] [stdout] 52 |       let mut object_intersections = object.intersect(r);
[INFO] [stdout]    |           ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]   --> src/canvas.rs:99:10
[INFO] [stdout]    |
[INFO] [stdout] 99 |   pub fn get_pixel(&self, x: u32, y: u32) -> Color {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cofactor`
[INFO] [stdout]   --> src/matrix.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn cofactor(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `determinant`
[INFO] [stdout]   --> src/matrix.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn determinant(&self) -> f64 {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `shear`
[INFO] [stdout]    --> src/matrix.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 |   pub fn shear(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_transform`
[INFO] [stdout]   --> src/sphere.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |   pub fn set_transform(&mut self, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lighting`
[INFO] [stdout]   --> src/material.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 |   pub fn lighting(&self, light: PointLight, position: Point, eye_vector: Vector, normal: Vector, in_shadow: bool) -> Color {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/world.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 |   pub fn new() -> World {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/world.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |   pub fn default() -> World {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_transform`
[INFO] [stdout]   --> src/plane.rs:56:10
[INFO] [stdout]    |
[INFO] [stdout] 56 |   pub fn set_transform(&mut self, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/pattern.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 |   pub fn default() -> StripedPattern {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `default`
[INFO] [stdout]   --> src/pattern.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |   pub fn default() -> GradientPattern {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_transform`
[INFO] [stdout]   --> src/cube.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |   pub fn set_transform(&mut self, transform: Matrix) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 4 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/camera.rs:289:19
[INFO] [stdout]     |
[INFO] [stdout] 68  |   pub fn render(self, w: World, antialias: bool, threads: u32, max_steps: u8) -> Canvas {
[INFO] [stdout]     |   ------------------------------------------------------------------------------------- defined here
[INFO] [stdout] ...
[INFO] [stdout] 289 |     let image = c.render(w);
[INFO] [stdout]     |                   ^^^^^^ - supplied 1 argument
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   expected 4 arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raytracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "be65b2d2d1a4c8852b4f511cd7b731c658be836a22cea6500c3c7dedcf88ee4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be65b2d2d1a4c8852b4f511cd7b731c658be836a22cea6500c3c7dedcf88ee4d", kill_on_drop: false }`
[INFO] [stdout] be65b2d2d1a4c8852b4f511cd7b731c658be836a22cea6500c3c7dedcf88ee4d
