Oct 31 17:56:13.256 INFO checking wwkeyboard/ray_tracer_challenge against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 17:56:13.257 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-5/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +05812fa8c588473f03e3fa7cf59cd84f4f37c715-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 31 17:56:13.657 INFO blam! f9350bd80fa6b17013667ba25678d84a7da4c1a80466184ec01e1dd0a956360d
Oct 31 17:56:13.659 INFO running `"docker" "start" "-a" "f9350bd80fa6b17013667ba25678d84a7da4c1a80466184ec01e1dd0a956360d"`
Oct 31 17:56:15.716 INFO kablam! usermod: no changes
Oct 31 17:56:15.820 INFO kablam!    Compiling num-traits v0.2.6
Oct 31 17:56:15.820 INFO kablam!    Compiling num-bigint v0.2.0
Oct 31 17:56:15.820 INFO kablam!    Compiling num-complex v0.2.0
Oct 31 17:56:15.836 INFO kablam!    Compiling num-rational v0.2.1
Oct 31 17:56:15.836 INFO kablam!    Compiling num-iter v0.1.37
Oct 31 17:56:22.436 INFO kablam!     Checking num-integer v0.1.39
Oct 31 17:56:27.332 INFO kablam!     Checking num v0.2.0
Oct 31 17:56:27.492 INFO kablam!     Checking ray_tracer_challenge v0.1.0 (/source)
Oct 31 17:56:27.804 INFO kablam! warning: unused import: `color::Color`
Oct 31 17:56:27.804 INFO kablam!  --> src/main.rs:6:5
Oct 31 17:56:27.804 INFO kablam!   |
Oct 31 17:56:27.804 INFO kablam! 6 | use color::Color;
Oct 31 17:56:27.804 INFO kablam!   |     ^^^^^^^^^^^^
Oct 31 17:56:27.804 INFO kablam!   |
Oct 31 17:56:27.804 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 17:56:27.804 INFO kablam! 
Oct 31 17:56:27.828 INFO kablam! warning: unused import: `color::Color`
Oct 31 17:56:27.828 INFO kablam!  --> src/main.rs:6:5
Oct 31 17:56:27.828 INFO kablam!   |
Oct 31 17:56:27.828 INFO kablam! 6 | use color::Color;
Oct 31 17:56:27.828 INFO kablam!   |     ^^^^^^^^^^^^
Oct 31 17:56:27.828 INFO kablam!   |
Oct 31 17:56:27.828 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 17:56:27.828 INFO kablam! 
Oct 31 17:56:28.240 INFO kablam! warning: method is never used: `pixel_at`
Oct 31 17:56:28.240 INFO kablam!   --> src/canvas.rs:44:5
Oct 31 17:56:28.240 INFO kablam!    |
Oct 31 17:56:28.240 INFO kablam! 44 |     fn pixel_at(&self, x: usize, y: usize) -> color::Color {
Oct 31 17:56:28.240 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.240 INFO kablam!    |
Oct 31 17:56:28.242 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 17:56:28.242 INFO kablam! 
Oct 31 17:56:28.242 INFO kablam! warning: struct is never constructed: `Matrix`
Oct 31 17:56:28.242 INFO kablam!  --> src/matrix.rs:2:1
Oct 31 17:56:28.242 INFO kablam!   |
Oct 31 17:56:28.242 INFO kablam! 2 | pub struct Matrix {
Oct 31 17:56:28.242 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.242 INFO kablam! 
Oct 31 17:56:28.242 INFO kablam! warning: method is never used: `new`
Oct 31 17:56:28.242 INFO kablam!  --> src/matrix.rs:7:5
Oct 31 17:56:28.242 INFO kablam!   |
Oct 31 17:56:28.242 INFO kablam! 7 |     pub fn new(m: Vec<Vec<f32>>) -> Matrix {
Oct 31 17:56:28.242 INFO kablam!   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.242 INFO kablam! 
Oct 31 17:56:28.242 INFO kablam! warning: method is never used: `get`
Oct 31 17:56:28.242 INFO kablam!   --> src/matrix.rs:23:5
Oct 31 17:56:28.242 INFO kablam!    |
Oct 31 17:56:28.242 INFO kablam! 23 |     pub fn get(&self, x: usize, y: usize) -> f32 {
Oct 31 17:56:28.242 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.242 INFO kablam! 
Oct 31 17:56:28.242 INFO kablam! warning: constant item is never used: `ZERO_VECTOR`
Oct 31 17:56:28.242 INFO kablam!   --> src/point.rs:7:1
Oct 31 17:56:28.242 INFO kablam!    |
Oct 31 17:56:28.242 INFO kablam! 7  | / const ZERO_VECTOR: Tuple = Tuple {
Oct 31 17:56:28.242 INFO kablam! 8  | |     x: 0.,
Oct 31 17:56:28.242 INFO kablam! 9  | |     y: 0.,
Oct 31 17:56:28.242 INFO kablam! 10 | |     z: 0.,
Oct 31 17:56:28.242 INFO kablam! 11 | |     w: 0.,
Oct 31 17:56:28.243 INFO kablam! 12 | | };
Oct 31 17:56:28.243 INFO kablam!    | |__^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `is_vector`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:27:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 27 |     pub fn is_vector(&self) -> bool {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `is_point`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:31:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 31 |     pub fn is_point(&self) -> bool {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `negate`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:53:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 53 |     pub fn negate(self) -> Tuple {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `magnitude`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:57:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 57 |     pub fn magnitude(&self) -> f32 {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `normalize`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:61:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 61 |     pub fn normalize(&self) -> Tuple {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `dot`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:72:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 72 |     pub fn dot(&self, other: Tuple) -> f32 {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.243 INFO kablam! warning: method is never used: `cross`
Oct 31 17:56:28.243 INFO kablam!   --> src/point.rs:76:5
Oct 31 17:56:28.243 INFO kablam!    |
Oct 31 17:56:28.243 INFO kablam! 76 |     pub fn cross(&self, other: Tuple) -> Tuple {
Oct 31 17:56:28.243 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 17:56:28.243 INFO kablam! 
Oct 31 17:56:28.648 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 12.90s
Oct 31 17:56:28.657 INFO kablam! su: No module specific data is present
Oct 31 17:56:29.822 INFO running `"docker" "rm" "-f" "f9350bd80fa6b17013667ba25678d84a7da4c1a80466184ec01e1dd0a956360d"`
Oct 31 17:56:30.160 INFO blam! f9350bd80fa6b17013667ba25678d84a7da4c1a80466184ec01e1dd0a956360d