Dec 17 11:47:54.681 INFO checking wwkeyboard/ray_tracer_challenge against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 11:47:54.681 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/wwkeyboard/ray_tracer_challenge:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 11:47:55.172 INFO [stdout] 84d89a2bf0ad8a65827b8ceb8cb0c20668188ab1bd236a450d3c27fb98d1db55
Dec 17 11:47:55.178 INFO running `"docker" "start" "-a" "84d89a2bf0ad8a65827b8ceb8cb0c20668188ab1bd236a450d3c27fb98d1db55"`
Dec 17 11:47:56.608 INFO [stderr]    Compiling num-traits v0.2.6
Dec 17 11:47:56.608 INFO [stderr]    Compiling num-bigint v0.2.0
Dec 17 11:47:56.608 INFO [stderr]    Compiling num-rational v0.2.1
Dec 17 11:47:56.608 INFO [stderr]    Compiling num-complex v0.2.0
Dec 17 11:47:56.624 INFO [stderr]    Compiling num-iter v0.1.37
Dec 17 11:48:02.709 INFO [stderr]     Checking num-integer v0.1.39
Dec 17 11:48:06.370 INFO [stderr]     Checking num v0.2.0
Dec 17 11:48:06.458 INFO [stderr]     Checking ray_tracer_challenge v0.1.0 (/opt/crater/workdir)
Dec 17 11:48:06.556 INFO [stderr] warning: unused import: `color::Color`
Dec 17 11:48:06.556 INFO [stderr]  --> src/main.rs:6:5
Dec 17 11:48:06.556 INFO [stderr]   |
Dec 17 11:48:06.556 INFO [stderr] 6 | use color::Color;
Dec 17 11:48:06.556 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 11:48:06.556 INFO [stderr]   |
Dec 17 11:48:06.556 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:48:06.556 INFO [stderr] 
Dec 17 11:48:06.618 INFO [stderr] warning: unused import: `color::Color`
Dec 17 11:48:06.618 INFO [stderr]  --> src/main.rs:6:5
Dec 17 11:48:06.618 INFO [stderr]   |
Dec 17 11:48:06.618 INFO [stderr] 6 | use color::Color;
Dec 17 11:48:06.618 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 17 11:48:06.618 INFO [stderr]   |
Dec 17 11:48:06.618 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 11:48:06.624 INFO [stderr] 
Dec 17 11:48:06.703 INFO [stderr] warning: method is never used: `pixel_at`
Dec 17 11:48:06.703 INFO [stderr]   --> src/canvas.rs:44:5
Dec 17 11:48:06.703 INFO [stderr]    |
Dec 17 11:48:06.704 INFO [stderr] 44 |     fn pixel_at(&self, x: usize, y: usize) -> color::Color {
Dec 17 11:48:06.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.704 INFO [stderr]    |
Dec 17 11:48:06.705 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 11:48:06.705 INFO [stderr] 
Dec 17 11:48:06.705 INFO [stderr] warning: method is never used: `new`
Dec 17 11:48:06.706 INFO [stderr]  --> src/matrix.rs:7:5
Dec 17 11:48:06.706 INFO [stderr]   |
Dec 17 11:48:06.706 INFO [stderr] 7 |     pub fn new(m: Vec<Vec<f32>>) -> Matrix {
Dec 17 11:48:06.707 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.707 INFO [stderr] 
Dec 17 11:48:06.707 INFO [stderr] warning: constant item is never used: `ZERO_VECTOR`
Dec 17 11:48:06.708 INFO [stderr]   --> src/point.rs:7:1
Dec 17 11:48:06.708 INFO [stderr]    |
Dec 17 11:48:06.708 INFO [stderr] 7  | / const ZERO_VECTOR: Tuple = Tuple {
Dec 17 11:48:06.709 INFO [stderr] 8  | |     x: 0.,
Dec 17 11:48:06.709 INFO [stderr] 9  | |     y: 0.,
Dec 17 11:48:06.709 INFO [stderr] 10 | |     z: 0.,
Dec 17 11:48:06.709 INFO [stderr] 11 | |     w: 0.,
Dec 17 11:48:06.709 INFO [stderr] 12 | | };
Dec 17 11:48:06.709 INFO [stderr]    | |__^
Dec 17 11:48:06.709 INFO [stderr] 
Dec 17 11:48:06.709 INFO [stderr] warning: method is never used: `is_vector`
Dec 17 11:48:06.709 INFO [stderr]   --> src/point.rs:27:5
Dec 17 11:48:06.709 INFO [stderr]    |
Dec 17 11:48:06.709 INFO [stderr] 27 |     pub fn is_vector(&self) -> bool {
Dec 17 11:48:06.709 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.709 INFO [stderr] 
Dec 17 11:48:06.709 INFO [stderr] warning: method is never used: `is_point`
Dec 17 11:48:06.709 INFO [stderr]   --> src/point.rs:31:5
Dec 17 11:48:06.709 INFO [stderr]    |
Dec 17 11:48:06.709 INFO [stderr] 31 |     pub fn is_point(&self) -> bool {
Dec 17 11:48:06.709 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.710 INFO [stderr] 
Dec 17 11:48:06.710 INFO [stderr] warning: method is never used: `negate`
Dec 17 11:48:06.710 INFO [stderr]   --> src/point.rs:53:5
Dec 17 11:48:06.710 INFO [stderr]    |
Dec 17 11:48:06.710 INFO [stderr] 53 |     pub fn negate(self) -> Tuple {
Dec 17 11:48:06.710 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.710 INFO [stderr] 
Dec 17 11:48:06.711 INFO [stderr] warning: method is never used: `magnitude`
Dec 17 11:48:06.711 INFO [stderr]   --> src/point.rs:57:5
Dec 17 11:48:06.711 INFO [stderr]    |
Dec 17 11:48:06.711 INFO [stderr] 57 |     pub fn magnitude(&self) -> f32 {
Dec 17 11:48:06.711 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.711 INFO [stderr] 
Dec 17 11:48:06.711 INFO [stderr] warning: method is never used: `normalize`
Dec 17 11:48:06.711 INFO [stderr]   --> src/point.rs:61:5
Dec 17 11:48:06.711 INFO [stderr]    |
Dec 17 11:48:06.711 INFO [stderr] 61 |     pub fn normalize(&self) -> Tuple {
Dec 17 11:48:06.711 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.711 INFO [stderr] 
Dec 17 11:48:06.712 INFO [stderr] warning: method is never used: `dot`
Dec 17 11:48:06.712 INFO [stderr]   --> src/point.rs:72:5
Dec 17 11:48:06.712 INFO [stderr]    |
Dec 17 11:48:06.712 INFO [stderr] 72 |     pub fn dot(&self, other: Tuple) -> f32 {
Dec 17 11:48:06.712 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.712 INFO [stderr] 
Dec 17 11:48:06.714 INFO [stderr] warning: method is never used: `cross`
Dec 17 11:48:06.714 INFO [stderr]   --> src/point.rs:76:5
Dec 17 11:48:06.714 INFO [stderr]    |
Dec 17 11:48:06.714 INFO [stderr] 76 |     pub fn cross(&self, other: Tuple) -> Tuple {
Dec 17 11:48:06.714 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 11:48:06.714 INFO [stderr] 
Dec 17 11:48:07.035 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.46s
Dec 17 11:48:07.742 INFO running `"docker" "inspect" "84d89a2bf0ad8a65827b8ceb8cb0c20668188ab1bd236a450d3c27fb98d1db55"`
Dec 17 11:48:08.024 INFO running `"docker" "rm" "-f" "84d89a2bf0ad8a65827b8ceb8cb0c20668188ab1bd236a450d3c27fb98d1db55"`
Dec 17 11:48:08.388 INFO [stdout] 84d89a2bf0ad8a65827b8ceb8cb0c20668188ab1bd236a450d3c27fb98d1db55