[INFO] cloning repository https://github.com/benjaminhirsch/raytracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjaminhirsch/raytracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhirsch%2Fraytracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhirsch%2Fraytracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd6246246698803c62d539a4962f9a142e39e399
[INFO] checking benjaminhirsch/raytracer against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhirsch%2Fraytracer" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjaminhirsch/raytracer on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benjaminhirsch/raytracer
[INFO] finished tweaking git repo https://github.com/benjaminhirsch/raytracer
[INFO] tweaked toml for git repo https://github.com/benjaminhirsch/raytracer written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/benjaminhirsch/raytracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90a0133f75f2ac67b471c8bf0ae9b0ca65e2dd8da39e843364aa6c7b3381c3f5
[INFO] running `Command { std: "docker" "start" "-a" "90a0133f75f2ac67b471c8bf0ae9b0ca65e2dd8da39e843364aa6c7b3381c3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90a0133f75f2ac67b471c8bf0ae9b0ca65e2dd8da39e843364aa6c7b3381c3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a0133f75f2ac67b471c8bf0ae9b0ca65e2dd8da39e843364aa6c7b3381c3f5", kill_on_drop: false }`
[INFO] [stdout] 90a0133f75f2ac67b471c8bf0ae9b0ca65e2dd8da39e843364aa6c7b3381c3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f32339170fe223d2ea18251d974a21bb0db13f7c7e8705bb1a7f23b0bf95905
[INFO] running `Command { std: "docker" "start" "-a" "2f32339170fe223d2ea18251d974a21bb0db13f7c7e8705bb1a7f23b0bf95905", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/canvas/canvas.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn create(width: usize, height: usize) -> Canvas {
[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: `write`
[INFO] [stdout]   --> src/canvas/canvas.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn write(&mut self, x: usize, y: usize, color: Color) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/canvas/canvas.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn pixel_at(&self, x: usize, y: usize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/color/color.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub(crate) fn create(red: f64, green: f64, blue: f64) -> Color {
[INFO] [stdout]    |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply_by`
[INFO] [stdout]   --> src/color/color.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn multiply_by(&self, factor: f64) -> Color {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IDENTITY_MATRIX`
[INFO] [stdout]   --> src/math/matrix.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | / pub const IDENTITY_MATRIX: Matrix = Matrix {
[INFO] [stdout] 35 | |     inner: [
[INFO] [stdout] 36 | |         Row {
[INFO] [stdout] 37 | |             inner: [1., 0., 0., 0.],
[INFO] [stdout] ...  |
[INFO] [stdout] 53 | |     size: 4,
[INFO] [stdout] 54 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transpose`
[INFO] [stdout]    --> src/math/matrix.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn transpose(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vector`
[INFO] [stdout]   --> src/math/tuple.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn vector(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `point`
[INFO] [stdout]   --> src/math/tuple.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn point(x: f64, y: f64, z: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_vector`
[INFO] [stdout]   --> src/math/tuple.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn is_vector(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_point`
[INFO] [stdout]   --> src/math/tuple.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn is_point(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `magnitude`
[INFO] [stdout]   --> src/math/tuple.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn magnitude(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `normalize`
[INFO] [stdout]   --> src/math/tuple.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn normalize(&self) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/math/tuple.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn cross(&self, that: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "2f32339170fe223d2ea18251d974a21bb0db13f7c7e8705bb1a7f23b0bf95905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f32339170fe223d2ea18251d974a21bb0db13f7c7e8705bb1a7f23b0bf95905", kill_on_drop: false }`
[INFO] [stdout] 2f32339170fe223d2ea18251d974a21bb0db13f7c7e8705bb1a7f23b0bf95905