[INFO] cloning repository https://github.com/jhmcwhirter/ray-tracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhmcwhirter/ray-tracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhmcwhirter%2Fray-tracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhmcwhirter%2Fray-tracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecb254f71c82e7219de93fc42f5604b8ed1f7a1a
[INFO] checking jhmcwhirter/ray-tracer-challenge against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhmcwhirter%2Fray-tracer-challenge" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhmcwhirter/ray-tracer-challenge
[INFO] finished tweaking git repo https://github.com/jhmcwhirter/ray-tracer-challenge
[INFO] tweaked toml for git repo https://github.com/jhmcwhirter/ray-tracer-challenge written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhmcwhirter/ray-tracer-challenge on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jhmcwhirter/ray-tracer-challenge 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c7abb593c0e49b34e0d8d114d5bf9ec626c5351d57cc687d421a6f281d7500
[INFO] running `Command { std: "docker" "start" "-a" "67c7abb593c0e49b34e0d8d114d5bf9ec626c5351d57cc687d421a6f281d7500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c7abb593c0e49b34e0d8d114d5bf9ec626c5351d57cc687d421a6f281d7500", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c7abb593c0e49b34e0d8d114d5bf9ec626c5351d57cc687d421a6f281d7500", kill_on_drop: false }`
[INFO] [stdout] 67c7abb593c0e49b34e0d8d114d5bf9ec626c5351d57cc687d421a6f281d7500
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 032c2d03119ce1d51deeae350101ab6e419c094a0bf34f11de59ed65a234dc58
[INFO] running `Command { std: "docker" "start" "-a" "032c2d03119ce1d51deeae350101ab6e419c094a0bf34f11de59ed65a234dc58", kill_on_drop: false }`
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::f64::consts::PI`
[INFO] [stdout]  --> src/transformations.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::f64::consts::PI;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tuple::Tuple`
[INFO] [stdout]  --> src/transformations.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::tuple::Tuple;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> src/transformations.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next` is never read
[INFO] [stdout]   --> src/main.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let mut next = start;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rad` is never used
[INFO] [stdout]   --> src/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |   fn rad(deg: f64) -> f64 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/tuple.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Tuple {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 10 |   pub fn is_point(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |   pub fn is_vector(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |   pub fn equals(&self, t: Self) -> bool {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |   pub fn magnitude(&self) -> f64 {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   pub fn normalize(&self) -> Self {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |   pub fn dot(&self, t: Self) -> f64 {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   pub fn cross(&self, t: Self) -> Self {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |   pub fn vector(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `pixel_at` and `fill_with` are never used
[INFO] [stdout]   --> src/canvas.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Canvas{
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn pixel_at(&self, x: usize, y: usize) -> Tuple {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   pub fn fill_with(&mut self, color: Tuple) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/canvas.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct Pixel { x: usize, y: usize, color: Tuple }
[INFO] [stdout]     |        -----             ^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/matrix.rs:15:10
[INFO] [stdout]     |
[INFO] [stdout] 6   | impl Matrix {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15  |   pub fn equals(&self, m: Self) -> bool {
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29  |   pub fn rows(&self) -> usize {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32  |   pub fn cols(&self) -> usize {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35  |   pub fn transpose(&self) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |   pub fn determinant(&self) -> f64 {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60  |   pub fn submatrix(&self, row: usize, col: usize) -> Self {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |   pub fn minor(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80  |   pub fn cofactor(&self, row: usize, col: usize) -> f64 {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88  |   pub fn invertible(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91  |   pub fn inverse(&self) -> Self {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 114 |   pub fn scaling(x: f64, y: f64, z: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |   pub fn scale(&self, x: f64, y: f64, z: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |   pub fn rotation_x(r: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |   pub fn rotate_x(&self, r: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |   pub fn rotation_y(r: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |   pub fn rotate_y(&self, r: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 157 |   pub fn shearing(xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |   pub fn shear(&self, xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ray` is never constructed
[INFO] [stdout]  --> src/ray.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Ray{ pub origin: Tuple, direction: Tuple }
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `position` are never used
[INFO] [stdout]  --> src/ray.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Ray{
[INFO] [stdout]   | -------- associated items in this implementation
[INFO] [stdout] 5 |   pub fn new(origin: Tuple, direction: Tuple) -> Ray {
[INFO] [stdout]   |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |   pub fn position(&self, t: f64) -> Tuple {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 |   fs::write(filename, ppm);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let _ = fs::write(filename, ppm);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `next` is never read
[INFO] [stdout]   --> src/main.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 |   let mut next = start;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]   --> src/tuple.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Tuple {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/canvas.rs:109:26
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct Pixel { x: usize, y: usize, color: Tuple }
[INFO] [stdout]     |        -----             ^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rotate_y` and `shear` are never used
[INFO] [stdout]    --> src/matrix.rs:143:10
[INFO] [stdout]     |
[INFO] [stdout] 6   | impl Matrix {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 143 |   pub fn rotate_y(&self, r: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |   pub fn shear(&self, xy: f64, xz: f64, yx: f64, yz: f64, zx: f64, zy: f64) -> Matrix {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 |   fs::write(filename, ppm);
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let _ = fs::write(filename, ppm);
[INFO] [stdout]    |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "032c2d03119ce1d51deeae350101ab6e419c094a0bf34f11de59ed65a234dc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032c2d03119ce1d51deeae350101ab6e419c094a0bf34f11de59ed65a234dc58", kill_on_drop: false }`
[INFO] [stdout] 032c2d03119ce1d51deeae350101ab6e419c094a0bf34f11de59ed65a234dc58