[INFO] cloning repository https://github.com/artran/ray-tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artran/ray-tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Fray-tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Fray-tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eeeadc7661ee96b693f52b2e3f0e4ce07ddba03d
[INFO] checking artran/ray-tracer against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartran%2Fray-tracer" "/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/artran/ray-tracer on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artran/ray-tracer
[INFO] finished tweaking git repo https://github.com/artran/ray-tracer
[INFO] tweaked toml for git repo https://github.com/artran/ray-tracer written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/artran/ray-tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.1
[INFO] [stderr]   Downloaded nalgebra v0.26.2
[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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc720b0ff497b28743c1e84135821ba82cdd21b39e19fba44642853a937b64ea
[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" "bc720b0ff497b28743c1e84135821ba82cdd21b39e19fba44642853a937b64ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc720b0ff497b28743c1e84135821ba82cdd21b39e19fba44642853a937b64ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc720b0ff497b28743c1e84135821ba82cdd21b39e19fba44642853a937b64ea", kill_on_drop: false }`
[INFO] [stdout] bc720b0ff497b28743c1e84135821ba82cdd21b39e19fba44642853a937b64ea
[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" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ca2a56bcdcf3f83007afd44a931cbfe028ce89b3da11a038937915c2ffb81ab
[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" "6ca2a56bcdcf3f83007afd44a931cbfe028ce89b3da11a038937915c2ffb81ab", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]     Checking ray-tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `PPM_MAX_LINE_LENGTH`
[INFO] [stdout]  --> src/canvas.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const PPM_MAX_LINE_LENGTH: usize = 70;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Canvas`
[INFO] [stdout]  --> src/canvas.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Canvas {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/canvas.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `width`
[INFO] [stdout]   --> src/canvas.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn width(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `height`
[INFO] [stdout]   --> src/canvas.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn height(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pixel_at`
[INFO] [stdout]   --> src/canvas.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn pixel_at(&self, x: usize, y: usize) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_pixel`
[INFO] [stdout]   --> src/canvas.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn write_pixel(&mut self, x: usize, y: usize, color: &Color) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save`
[INFO] [stdout]   --> src/canvas.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn save(&self, file: &mut impl Write) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/color.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(r: f32, g: f32, b: f32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `black`
[INFO] [stdout]   --> src/color.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn black() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `plus`
[INFO] [stdout]   --> src/color.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn plus(&self, other: &Color) -> Color {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `minus`
[INFO] [stdout]   --> src/color.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn minus(&self, other: &Color) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scale`
[INFO] [stdout]   --> src/color.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn scale(&self, factor: &f32) -> Color {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hadamard`
[INFO] [stdout]   --> src/color.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn hadamard(&self, other: &Color) -> Color {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/intersection.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(t: f32, object: &'a Sphere) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Ray`
[INFO] [stdout]  --> src/ray.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Ray {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/ray.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(origin: Vector4<f32>, direction: Vector4<f32>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `position`
[INFO] [stdout]   --> src/ray.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn position(&self, t: f32) -> Vector4<f32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `transform`
[INFO] [stdout]   --> src/ray.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn transform(&self, transformation: &Matrix4<f32>) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/sphere.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `intersect`
[INFO] [stdout]   --> src/sphere.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn intersect(&self, ray: &Ray) -> Option<Vec<Intersection>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.82s
[INFO] running `Command { std: "docker" "inspect" "6ca2a56bcdcf3f83007afd44a931cbfe028ce89b3da11a038937915c2ffb81ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca2a56bcdcf3f83007afd44a931cbfe028ce89b3da11a038937915c2ffb81ab", kill_on_drop: false }`
[INFO] [stdout] 6ca2a56bcdcf3f83007afd44a931cbfe028ce89b3da11a038937915c2ffb81ab