[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] 2c6abf46703cda7fd8c835bf65044544279925bf
[INFO] checking benjaminhirsch/raytracer against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjaminhirsch%2Fraytracer" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjaminhirsch/raytracer on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-1/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c27b3136a8c9809274d7ee47daaf15a75fca64183d9d3bdef7454d8473a24e97
[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" "c27b3136a8c9809274d7ee47daaf15a75fca64183d9d3bdef7454d8473a24e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c27b3136a8c9809274d7ee47daaf15a75fca64183d9d3bdef7454d8473a24e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27b3136a8c9809274d7ee47daaf15a75fca64183d9d3bdef7454d8473a24e97", kill_on_drop: false }`
[INFO] [stdout] c27b3136a8c9809274d7ee47daaf15a75fca64183d9d3bdef7454d8473a24e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643134c8a62325969d70411e4e5a429afeaf01a2e97489cd1b4c851fdc8d9689
[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" "643134c8a62325969d70411e4e5a429afeaf01a2e97489cd1b4c851fdc8d9689", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking approx v0.5.0
[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:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn create(width: i64, height: i64) -> Self {
[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:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn write(&mut self, x: i64, y: i64, color: Color) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/canvas/canvas.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn pixel_at(&self, x: i64, y: i64) -> Option<&Color> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `key_from_coordinates`
[INFO] [stdout]   --> src/canvas/canvas.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn key_from_coordinates(x: i64, y: i64) -> String {
[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: associated function is never used: `create`
[INFO] [stdout]   --> src/math/tuple.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn create(x: f64, y: f64, z: f64, w: f64) -> Tuple {
[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: `equal_to`
[INFO] [stdout]   --> src/math/tuple.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn equal_to(&self, that: Tuple) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `multiply_by`
[INFO] [stdout]   --> src/math/tuple.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn multiply_by(&self, factor: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `divide_by`
[INFO] [stdout]   --> src/math/tuple.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn divide_by(&self, factor: f64) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `magnitude`
[INFO] [stdout]   --> src/math/tuple.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     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:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn normalize(&self) -> Tuple {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dot`
[INFO] [stdout]   --> src/math/tuple.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn dot(&self, that: Tuple) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/math/tuple.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn cross(&self, that: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "643134c8a62325969d70411e4e5a429afeaf01a2e97489cd1b4c851fdc8d9689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643134c8a62325969d70411e4e5a429afeaf01a2e97489cd1b4c851fdc8d9689", kill_on_drop: false }`
[INFO] [stdout] 643134c8a62325969d70411e4e5a429afeaf01a2e97489cd1b4c851fdc8d9689