Dec 04 12:31:14.171 INFO checking pfeff/raytrace against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 12:31:14.171 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 12:31:14.463 INFO [stdout] 916750144fc59e4fdd88e4d8af3c6f806d7e0881f33c6f39f4ff8d4cef49f2a1
Dec 04 12:31:14.464 INFO running `"docker" "start" "-a" "916750144fc59e4fdd88e4d8af3c6f806d7e0881f33c6f39f4ff8d4cef49f2a1"`
Dec 04 12:31:15.542 INFO [stderr] usermod: no changes
Dec 04 12:31:15.592 INFO [stderr]     Checking assert_approx_eq v1.0.0
Dec 04 12:31:15.903 INFO [stderr]     Checking raytrace v0.1.0 (/source)
Dec 04 12:31:16.319 INFO [stderr] warning: unused import: `color`
Dec 04 12:31:16.319 INFO [stderr]  --> src/canvas.rs:1:13
Dec 04 12:31:16.319 INFO [stderr]   |
Dec 04 12:31:16.319 INFO [stderr] 1 | use color::{color, white};
Dec 04 12:31:16.319 INFO [stderr]   |             ^^^^^
Dec 04 12:31:16.319 INFO [stderr]   |
Dec 04 12:31:16.319 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 12:31:16.319 INFO [stderr] 
Dec 04 12:31:16.373 INFO [stderr] warning: method is never used: `is_point`
Dec 04 12:31:16.373 INFO [stderr]   --> src/tuple.rs:51:5
Dec 04 12:31:16.373 INFO [stderr]    |
Dec 04 12:31:16.373 INFO [stderr] 51 |     pub fn is_point(&self) -> bool {
Dec 04 12:31:16.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.373 INFO [stderr]    |
Dec 04 12:31:16.373 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 12:31:16.373 INFO [stderr] 
Dec 04 12:31:16.373 INFO [stderr] warning: method is never used: `is_vector`
Dec 04 12:31:16.373 INFO [stderr]   --> src/tuple.rs:56:5
Dec 04 12:31:16.373 INFO [stderr]    |
Dec 04 12:31:16.373 INFO [stderr] 56 |     pub fn is_vector(&self) -> bool {
Dec 04 12:31:16.373 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.373 INFO [stderr] 
Dec 04 12:31:16.373 INFO [stderr] warning: function is never used: `point`
Dec 04 12:31:16.373 INFO [stderr]    --> src/tuple.rs:143:1
Dec 04 12:31:16.373 INFO [stderr]     |
Dec 04 12:31:16.373 INFO [stderr] 143 | pub fn point(x: f64, y: f64, z: f64) -> Tuple {
Dec 04 12:31:16.373 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.373 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: function is never used: `color`
Dec 04 12:31:16.374 INFO [stderr]  --> src/color.rs:9:1
Dec 04 12:31:16.374 INFO [stderr]   |
Dec 04 12:31:16.374 INFO [stderr] 9 | pub fn color(r: f64, g: f64, b: f64) -> Tuple {
Dec 04 12:31:16.374 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: function is never used: `white`
Dec 04 12:31:16.374 INFO [stderr]   --> src/color.rs:13:1
Dec 04 12:31:16.374 INFO [stderr]    |
Dec 04 12:31:16.374 INFO [stderr] 13 | pub fn white() -> Tuple {
Dec 04 12:31:16.374 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: struct is never constructed: `Canvas`
Dec 04 12:31:16.374 INFO [stderr]  --> src/canvas.rs:5:1
Dec 04 12:31:16.374 INFO [stderr]   |
Dec 04 12:31:16.374 INFO [stderr] 5 | pub struct Canvas {
Dec 04 12:31:16.374 INFO [stderr]   | ^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: method is never used: `pixel_at`
Dec 04 12:31:16.374 INFO [stderr]   --> src/canvas.rs:12:5
Dec 04 12:31:16.374 INFO [stderr]    |
Dec 04 12:31:16.374 INFO [stderr] 12 |     fn pixel_at(&self, x: usize, y: usize) -> Tuple {
Dec 04 12:31:16.374 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: method is never used: `write_pixel`
Dec 04 12:31:16.374 INFO [stderr]   --> src/canvas.rs:16:5
Dec 04 12:31:16.374 INFO [stderr]    |
Dec 04 12:31:16.374 INFO [stderr] 16 |     fn write_pixel(&mut self, x: usize, y: usize, color: Tuple) {
Dec 04 12:31:16.374 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.374 INFO [stderr] warning: function is never used: `canvas`
Dec 04 12:31:16.374 INFO [stderr]   --> src/canvas.rs:22:1
Dec 04 12:31:16.374 INFO [stderr]    |
Dec 04 12:31:16.374 INFO [stderr] 22 | pub fn canvas(width: usize, height: usize) -> Canvas {
Dec 04 12:31:16.374 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 12:31:16.374 INFO [stderr] 
Dec 04 12:31:16.519 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 04 12:31:16.519 INFO [stderr] su: No module specific data is present
Dec 04 12:31:17.270 INFO running `"docker" "inspect" "916750144fc59e4fdd88e4d8af3c6f806d7e0881f33c6f39f4ff8d4cef49f2a1"`
Dec 04 12:31:17.575 INFO running `"docker" "rm" "-f" "916750144fc59e4fdd88e4d8af3c6f806d7e0881f33c6f39f4ff8d4cef49f2a1"`
Dec 04 12:31:17.971 INFO [stdout] 916750144fc59e4fdd88e4d8af3c6f806d7e0881f33c6f39f4ff8d4cef49f2a1