[INFO] cloning repository https://github.com/daboehme/raytracer-challenge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daboehme/raytracer-challenge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e081fb14b87866fd37debd817f42fccf73ed6a10
[INFO] checking daboehme/raytracer-challenge against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaboehme%2Fraytracer-challenge" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daboehme/raytracer-challenge on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daboehme/raytracer-challenge
[INFO] finished tweaking git repo https://github.com/daboehme/raytracer-challenge
[INFO] tweaked toml for git repo https://github.com/daboehme/raytracer-challenge written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/daboehme/raytracer-challenge already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6277ab4fd006672d1b3985fac847ca9e0a1815f6531d0e1f4231d075c68b8d23
[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" "6277ab4fd006672d1b3985fac847ca9e0a1815f6531d0e1f4231d075c68b8d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6277ab4fd006672d1b3985fac847ca9e0a1815f6531d0e1f4231d075c68b8d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6277ab4fd006672d1b3985fac847ca9e0a1815f6531d0e1f4231d075c68b8d23", kill_on_drop: false }`
[INFO] [stdout] 6277ab4fd006672d1b3985fac847ca9e0a1815f6531d0e1f4231d075c68b8d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 880bfafa113d34afb47a5c287fd0280259762d7cbf1a564294ed19e5926785fd
[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" "880bfafa113d34afb47a5c287fd0280259762d7cbf1a564294ed19e5926785fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking raytracer-challenge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `draw_sphere`
[INFO] [stdout]  --> src/experiment.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_sphere() -> canvas::Canvas {
[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: `w`
[INFO] [stdout]   --> src/linalg.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn w(&self) -> f32 {
[INFO] [stdout]    |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cross`
[INFO] [stdout]   --> src/linalg.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn cross(a: &V4, b: &V4) -> V4 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mmul`
[INFO] [stdout]    --> src/linalg.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub fn mmul(a: &M4, b: &M4) -> M4 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_custom`
[INFO] [stdout]   --> src/objects.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new_custom(m: &render::Material, trans: &linalg::M4) -> Sphere {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/render.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(r: f32, g: f32, b: f32) -> Color {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `WHITE`
[INFO] [stdout]   --> src/render.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub const WHITE: Color = Color { r: 1.0, g: 1.0, b: 1.0 };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RED`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub const RED:   Color = Color { r: 1.0, g: 0.0, b: 0.0 };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/transform.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Transform {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `translate`
[INFO] [stdout]   --> src/transform.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn translate(&self, x: f32, y: f32, z: f32) -> Transform {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scale`
[INFO] [stdout]   --> src/transform.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn scale(&self, x: f32, y: f32, z: f32) -> Transform {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_x`
[INFO] [stdout]   --> src/transform.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn rotate_x(&self, rad: f32) -> Transform {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_y`
[INFO] [stdout]   --> src/transform.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn rotate_y(&self, rad: f32) -> Transform {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_z`
[INFO] [stdout]   --> src/transform.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn rotate_z(&self, rad: f32) -> Transform {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `invert`
[INFO] [stdout]   --> src/transform.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn invert(&self) -> Transform {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `apply`
[INFO] [stdout]   --> src/transform.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn apply(&self, v: &linalg::V4) -> linalg::V4 {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_sphere`
[INFO] [stdout]  --> src/experiment.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn draw_sphere() -> canvas::Canvas {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `RED`
[INFO] [stdout]   --> src/render.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub const RED:   Color = Color { r: 1.0, g: 0.0, b: 0.0 };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "880bfafa113d34afb47a5c287fd0280259762d7cbf1a564294ed19e5926785fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880bfafa113d34afb47a5c287fd0280259762d7cbf1a564294ed19e5926785fd", kill_on_drop: false }`
[INFO] [stdout] 880bfafa113d34afb47a5c287fd0280259762d7cbf1a564294ed19e5926785fd