[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 master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fraytracer_challange" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knoby/raytracer_challange on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-5/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6c667178b86d394ab2b1c94a13a1f710092f1e1dcc83c9bf32eafcac62e08fa
[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" "e6c667178b86d394ab2b1c94a13a1f710092f1e1dcc83c9bf32eafcac62e08fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6c667178b86d394ab2b1c94a13a1f710092f1e1dcc83c9bf32eafcac62e08fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6c667178b86d394ab2b1c94a13a1f710092f1e1dcc83c9bf32eafcac62e08fa", kill_on_drop: false }`
[INFO] [stdout] e6c667178b86d394ab2b1c94a13a1f710092f1e1dcc83c9bf32eafcac62e08fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ca0e8a003d6348a37745a86c2e21676f6c9307907346912d4ab7729adf1a24f
[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" "3ca0e8a003d6348a37745a86c2e21676f6c9307907346912d4ab7729adf1a24f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking progress_bar v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking png v0.16.6
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[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: 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.10s
[INFO] running `Command { std: "docker" "inspect" "3ca0e8a003d6348a37745a86c2e21676f6c9307907346912d4ab7729adf1a24f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ca0e8a003d6348a37745a86c2e21676f6c9307907346912d4ab7729adf1a24f", kill_on_drop: false }`
[INFO] [stdout] 3ca0e8a003d6348a37745a86c2e21676f6c9307907346912d4ab7729adf1a24f