[INFO] cloning repository https://github.com/alecg54/RayTracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alecg54/RayTracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecg54%2FRayTracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecg54%2FRayTracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e19caa4f87521586137d98b96549ed795d7626fc
[INFO] checking alecg54/RayTracer against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falecg54%2FRayTracer" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alecg54/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/alecg54/RayTracer
[INFO] finished tweaking git repo https://github.com/alecg54/RayTracer
[INFO] tweaked toml for git repo https://github.com/alecg54/RayTracer written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/alecg54/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d8a899324e73fbf90dfe078a67aaf15c4c9590a721e97171b48bacfdd874c874
[INFO] running `Command { std: "docker" "start" "-a" "d8a899324e73fbf90dfe078a67aaf15c4c9590a721e97171b48bacfdd874c874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8a899324e73fbf90dfe078a67aaf15c4c9590a721e97171b48bacfdd874c874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a899324e73fbf90dfe078a67aaf15c4c9590a721e97171b48bacfdd874c874", kill_on_drop: false }`
[INFO] [stdout] d8a899324e73fbf90dfe078a67aaf15c4c9590a721e97171b48bacfdd874c874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] fa8df4a36c15cbb643c9541957dfe3548eeed420b66c8178d02945521359cc58
[INFO] running `Command { std: "docker" "start" "-a" "fa8df4a36c15cbb643c9541957dfe3548eeed420b66c8178d02945521359cc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ray-tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `vwprt_height`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     vwprt_height: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vwprt_width`
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     vwprt_width: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `focal_length`
[INFO] [stdout]  --> src/camera.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     focal_length: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fov`
[INFO] [stdout]   --> src/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fov: f32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/ppm.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn read(filename: String) -> Result<Ppm, std::io::Error> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pixel`
[INFO] [stdout]    --> src/ppm.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn get_pixel(&self, x: usize, y: usize) -> (u8, u8, u8) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_int`
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn random_int(min: i32, max: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_in_hemisphere`
[INFO] [stdout]   --> src/vec3.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vec3.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]   --> src/vec3.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn z(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `near_zero`
[INFO] [stdout]   --> src/vec3.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn near_zero(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `refract`
[INFO] [stdout]    --> src/vec3.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn refract(uv: Vec3, n: Vec3, etai: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vwprt_height`
[INFO] [stdout]  --> src/camera.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     vwprt_height: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `vwprt_width`
[INFO] [stdout]  --> src/camera.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     vwprt_width: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `focal_length`
[INFO] [stdout]  --> src/camera.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     focal_length: f32,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fov`
[INFO] [stdout]   --> src/camera.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fov: f32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `random_int`
[INFO] [stdout]   --> src/utils.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn random_int(min: i32, max: i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_in_hemisphere`
[INFO] [stdout]   --> src/vec3.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn random_in_hemisphere(normal: Vec3) -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `random_unit_vector`
[INFO] [stdout]   --> src/vec3.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 47 |     pub fn random_unit_vector() -> Vec3 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]   --> src/vec3.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn z(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `refract`
[INFO] [stdout]    --> src/vec3.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn refract(uv: Vec3, n: Vec3, etai: f32) -> Vec3 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fa8df4a36c15cbb643c9541957dfe3548eeed420b66c8178d02945521359cc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8df4a36c15cbb643c9541957dfe3548eeed420b66c8178d02945521359cc58", kill_on_drop: false }`
[INFO] [stdout] fa8df4a36c15cbb643c9541957dfe3548eeed420b66c8178d02945521359cc58