Oct 12 10:35:37.393 INFO checking wwkeyboard/ray_tracer_challenge against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 10:35:37.393 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 12 10:35:37.836 INFO blam! 6cb26dacce9d09718c6efb023de220265700aab05095e00ea2c734cb86130396
Oct 12 10:35:37.853 INFO running `"docker" "start" "-a" "6cb26dacce9d09718c6efb023de220265700aab05095e00ea2c734cb86130396"`
Oct 12 10:35:39.773 INFO kablam! usermod: no changes
Oct 12 10:35:39.836 INFO kablam!    Compiling num-traits v0.2.6
Oct 12 10:35:39.844 INFO kablam!    Compiling num-integer v0.1.39
Oct 12 10:35:39.844 INFO kablam!    Compiling num-bigint v0.2.0
Oct 12 10:35:39.844 INFO kablam!    Compiling num-rational v0.2.1
Oct 12 10:35:39.844 INFO kablam!    Compiling num-complex v0.2.0
Oct 12 10:35:39.844 INFO kablam!    Compiling num-iter v0.1.37
Oct 12 10:35:52.271 INFO kablam!     Checking num v0.2.0
Oct 12 10:35:52.483 INFO kablam!     Checking ray_tracer_challenge v0.1.0 (/source)
Oct 12 10:35:52.984 INFO kablam! warning: struct is never constructed: `Canvas`
Oct 12 10:35:52.984 INFO kablam!  --> src/canvas.rs:4:1
Oct 12 10:35:52.984 INFO kablam!   |
Oct 12 10:35:52.985 INFO kablam! 4 | pub struct Canvas {
Oct 12 10:35:52.985 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Oct 12 10:35:52.986 INFO kablam!   |
Oct 12 10:35:52.992 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 10:35:52.992 INFO kablam! 
Oct 12 10:35:52.993 INFO kablam! warning: method is never used: `new`
Oct 12 10:35:52.993 INFO kablam!   --> src/canvas.rs:12:5
Oct 12 10:35:52.993 INFO kablam!    |
Oct 12 10:35:52.994 INFO kablam! 12 |     fn new(width: usize, height: usize) -> Canvas {
Oct 12 10:35:52.994 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:52.994 INFO kablam! 
Oct 12 10:35:52.995 INFO kablam! warning: method is never used: `write_pixel`
Oct 12 10:35:52.995 INFO kablam!   --> src/canvas.rs:22:5
Oct 12 10:35:52.995 INFO kablam!    |
Oct 12 10:35:52.996 INFO kablam! 22 |     fn write_pixel(&mut self, x: usize, y: usize, color: color::Color) {
Oct 12 10:35:52.996 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:52.996 INFO kablam! 
Oct 12 10:35:52.997 INFO kablam! warning: method is never used: `pixel_at`
Oct 12 10:35:52.997 INFO kablam!   --> src/canvas.rs:28:5
Oct 12 10:35:52.997 INFO kablam!    |
Oct 12 10:35:52.997 INFO kablam! 28 |     fn pixel_at(&self, x: usize, y: usize) -> color::Color {
Oct 12 10:35:52.997 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:52.998 INFO kablam! 
Oct 12 10:35:52.998 INFO kablam! warning: method is never used: `to_ppm`
Oct 12 10:35:52.999 INFO kablam!   --> src/canvas.rs:33:5
Oct 12 10:35:52.999 INFO kablam!    |
Oct 12 10:35:52.999 INFO kablam! 33 |     fn to_ppm(&self) -> String {
Oct 12 10:35:52.999 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:52.999 INFO kablam! 
Oct 12 10:35:53.000 INFO kablam! warning: constant item is never used: `PPM_COLOR_SIZE`
Oct 12 10:35:53.000 INFO kablam!  --> src/color.rs:8:1
Oct 12 10:35:53.000 INFO kablam!   |
Oct 12 10:35:53.000 INFO kablam! 8 | const PPM_COLOR_SIZE: f32 = 255.;
Oct 12 10:35:53.000 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.001 INFO kablam! 
Oct 12 10:35:53.002 INFO kablam! warning: method is never used: `new`
Oct 12 10:35:53.002 INFO kablam!   --> src/color.rs:18:5
Oct 12 10:35:53.002 INFO kablam!    |
Oct 12 10:35:53.002 INFO kablam! 18 |     pub fn new(r: f32, g: f32, b: f32) -> Color {
Oct 12 10:35:53.002 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.003 INFO kablam! 
Oct 12 10:35:53.003 INFO kablam! warning: method is never used: `to_ppm`
Oct 12 10:35:53.004 INFO kablam!   --> src/color.rs:26:5
Oct 12 10:35:53.004 INFO kablam!    |
Oct 12 10:35:53.004 INFO kablam! 26 |     pub fn to_ppm(&self) -> String {
Oct 12 10:35:53.004 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.004 INFO kablam! 
Oct 12 10:35:53.005 INFO kablam! warning: constant item is never used: `ZERO_VECTOR`
Oct 12 10:35:53.005 INFO kablam!   --> src/point.rs:7:1
Oct 12 10:35:53.005 INFO kablam!    |
Oct 12 10:35:53.005 INFO kablam! 7  | / const ZERO_VECTOR: Tuple = Tuple {
Oct 12 10:35:53.006 INFO kablam! 8  | |     x: 0.,
Oct 12 10:35:53.006 INFO kablam! 9  | |     y: 0.,
Oct 12 10:35:53.006 INFO kablam! 10 | |     z: 0.,
Oct 12 10:35:53.006 INFO kablam! 11 | |     w: 0.,
Oct 12 10:35:53.006 INFO kablam! 12 | | };
Oct 12 10:35:53.006 INFO kablam!    | |__^
Oct 12 10:35:53.006 INFO kablam! 
Oct 12 10:35:53.008 INFO kablam! warning: method is never used: `is_vector`
Oct 12 10:35:53.008 INFO kablam!   --> src/point.rs:27:5
Oct 12 10:35:53.008 INFO kablam!    |
Oct 12 10:35:53.008 INFO kablam! 27 |     pub fn is_vector(&self) -> bool {
Oct 12 10:35:53.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.008 INFO kablam! 
Oct 12 10:35:53.008 INFO kablam! warning: method is never used: `is_point`
Oct 12 10:35:53.008 INFO kablam!   --> src/point.rs:31:5
Oct 12 10:35:53.008 INFO kablam!    |
Oct 12 10:35:53.008 INFO kablam! 31 |     pub fn is_point(&self) -> bool {
Oct 12 10:35:53.008 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.008 INFO kablam! 
Oct 12 10:35:53.011 INFO kablam! warning: method is never used: `point`
Oct 12 10:35:53.011 INFO kablam!   --> src/point.rs:35:5
Oct 12 10:35:53.011 INFO kablam!    |
Oct 12 10:35:53.011 INFO kablam! 35 |     pub fn point(x: f32, y: f32, z: f32) -> Tuple {
Oct 12 10:35:53.011 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.011 INFO kablam! 
Oct 12 10:35:53.011 INFO kablam! warning: method is never used: `vector`
Oct 12 10:35:53.011 INFO kablam!   --> src/point.rs:44:5
Oct 12 10:35:53.011 INFO kablam!    |
Oct 12 10:35:53.011 INFO kablam! 44 |     pub fn vector(x: f32, y: f32, z: f32) -> Tuple {
Oct 12 10:35:53.011 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.011 INFO kablam! 
Oct 12 10:35:53.011 INFO kablam! warning: method is never used: `negate`
Oct 12 10:35:53.011 INFO kablam!   --> src/point.rs:53:5
Oct 12 10:35:53.011 INFO kablam!    |
Oct 12 10:35:53.011 INFO kablam! 53 |     pub fn negate(self) -> Tuple {
Oct 12 10:35:53.011 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.011 INFO kablam! 
Oct 12 10:35:53.011 INFO kablam! warning: method is never used: `magnitude`
Oct 12 10:35:53.011 INFO kablam!   --> src/point.rs:57:5
Oct 12 10:35:53.011 INFO kablam!    |
Oct 12 10:35:53.011 INFO kablam! 57 |     pub fn magnitude(&self) -> f32 {
Oct 12 10:35:53.011 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.011 INFO kablam! 
Oct 12 10:35:53.011 INFO kablam! warning: method is never used: `normalize`
Oct 12 10:35:53.016 INFO kablam!   --> src/point.rs:61:5
Oct 12 10:35:53.016 INFO kablam!    |
Oct 12 10:35:53.016 INFO kablam! 61 |     pub fn normalize(&self) -> Tuple {
Oct 12 10:35:53.019 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.019 INFO kablam! 
Oct 12 10:35:53.020 INFO kablam! warning: method is never used: `dot`
Oct 12 10:35:53.020 INFO kablam!   --> src/point.rs:72:5
Oct 12 10:35:53.020 INFO kablam!    |
Oct 12 10:35:53.020 INFO kablam! 72 |     pub fn dot(&self, other: Tuple) -> f32 {
Oct 12 10:35:53.020 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.020 INFO kablam! 
Oct 12 10:35:53.020 INFO kablam! warning: method is never used: `cross`
Oct 12 10:35:53.020 INFO kablam!   --> src/point.rs:76:5
Oct 12 10:35:53.020 INFO kablam!    |
Oct 12 10:35:53.020 INFO kablam! 76 |     pub fn cross(&self, other: Tuple) -> Tuple {
Oct 12 10:35:53.020 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 10:35:53.020 INFO kablam! 
Oct 12 10:35:53.441 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 13.65s
Oct 12 10:35:53.444 INFO kablam! su: No module specific data is present
Oct 12 10:35:54.561 INFO running `"docker" "rm" "-f" "6cb26dacce9d09718c6efb023de220265700aab05095e00ea2c734cb86130396"`
Oct 12 10:35:54.916 INFO blam! 6cb26dacce9d09718c6efb023de220265700aab05095e00ea2c734cb86130396