[INFO] cloning repository https://github.com/knoby/raytracer_challange
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knoby/raytracer_challange" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fraytracer_challange", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fraytracer_challange'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16563e157d7a60c2a4a90de0f068c54a9a7bb7c5
[INFO] checking knoby/raytracer_challange against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fraytracer_challange" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knoby/raytracer_challange on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knoby/raytracer_challange
[INFO] finished tweaking git repo https://github.com/knoby/raytracer_challange
[INFO] tweaked toml for git repo https://github.com/knoby/raytracer_challange written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/knoby/raytracer_challange already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e7986aa4c0fcea26beb94c2d49868e40fae04467f22604147dc3a870f72c993
[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" "4e7986aa4c0fcea26beb94c2d49868e40fae04467f22604147dc3a870f72c993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e7986aa4c0fcea26beb94c2d49868e40fae04467f22604147dc3a870f72c993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7986aa4c0fcea26beb94c2d49868e40fae04467f22604147dc3a870f72c993", kill_on_drop: false }`
[INFO] [stdout] 4e7986aa4c0fcea26beb94c2d49868e40fae04467f22604147dc3a870f72c993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3a9b13f70379d909b646cca1e0bc88c3766ec2b6b9068c94d5de0a1c06f5ea9
[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" "d3a9b13f70379d909b646cca1e0bc88c3766ec2b6b9068c94d5de0a1c06f5ea9", kill_on_drop: false }`
[INFO] [stderr]     Checking progress_bar v0.1.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking png v0.16.6
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.6
[INFO] [stderr]     Checking raytracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_r`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn set_r(&mut self, r: f64) {
[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: `set_g`
[INFO] [stdout]   --> src/color.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_g(&mut self, g: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_b`
[INFO] [stdout]   --> src/color.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_b(&mut self, b: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/color.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn red() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `green`
[INFO] [stdout]   --> src/color.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn green() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blue`
[INFO] [stdout]   --> src/color.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn blue() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert`
[INFO] [stdout]   --> src/geometry.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn invert(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]    --> src/geometry.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn x(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]    --> src/geometry.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn y(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]    --> src/geometry.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn z(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_r`
[INFO] [stdout]   --> src/color.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn set_r(&mut self, r: f64) {
[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: `set_g`
[INFO] [stdout]   --> src/color.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn set_g(&mut self, g: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_b`
[INFO] [stdout]   --> src/color.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn set_b(&mut self, b: f64) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `red`
[INFO] [stdout]   --> src/color.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub fn red() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `green`
[INFO] [stdout]   --> src/color.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn green() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `blue`
[INFO] [stdout]   --> src/color.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn blue() -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert`
[INFO] [stdout]   --> src/geometry.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn invert(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]    --> src/geometry.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn x(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y`
[INFO] [stdout]    --> src/geometry.rs:132:12
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub fn y(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `z`
[INFO] [stdout]    --> src/geometry.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub fn z(&self) -> f64 {
[INFO] [stdout]     |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "d3a9b13f70379d909b646cca1e0bc88c3766ec2b6b9068c94d5de0a1c06f5ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3a9b13f70379d909b646cca1e0bc88c3766ec2b6b9068c94d5de0a1c06f5ea9", kill_on_drop: false }`
[INFO] [stdout] d3a9b13f70379d909b646cca1e0bc88c3766ec2b6b9068c94d5de0a1c06f5ea9