Dec 19 14:39:44.629 INFO checking kadtewsd/mandelbrot against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:39:44.629 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kadtewsd/mandelbrot:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:39:45.212 INFO [stdout] 7ed0fc6104d784175e5fc1e2eb161ed84849d8262094a040164b5fbb4d75e2ff
Dec 19 14:39:45.220 INFO running `"docker" "start" "-a" "7ed0fc6104d784175e5fc1e2eb161ed84849d8262094a040164b5fbb4d75e2ff"`
Dec 19 14:39:47.184 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 19 14:39:47.937 INFO [stderr] warning: function is never used: `parse_pair`
Dec 19 14:39:47.937 INFO [stderr]  --> src/parsing/mod.rs:4:1
Dec 19 14:39:47.937 INFO [stderr]   |
Dec 19 14:39:47.937 INFO [stderr] 4 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 19 14:39:47.937 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:39:47.937 INFO [stderr]   |
Dec 19 14:39:47.937 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 14:39:47.937 INFO [stderr] 
Dec 19 14:39:47.937 INFO [stderr] warning: function is never used: `render`
Dec 19 14:39:47.937 INFO [stderr]   --> src/rendering/mod.rs:4:1
Dec 19 14:39:47.937 INFO [stderr]    |
Dec 19 14:39:47.937 INFO [stderr] 4  | / fn render(pixels: &mut[u8],
Dec 19 14:39:47.937 INFO [stderr] 5  | |           bounds: (usize, usize),
Dec 19 14:39:47.937 INFO [stderr] 6  | |           upper_left: Complex<f64>,
Dec 19 14:39:47.937 INFO [stderr] 7  | |           lower_right: Complex<f64>) {
Dec 19 14:39:47.937 INFO [stderr] ...  |
Dec 19 14:39:47.937 INFO [stderr] 19 | |
Dec 19 14:39:47.937 INFO [stderr] 20 | | }
Dec 19 14:39:47.937 INFO [stderr]    | |_^
Dec 19 14:39:47.937 INFO [stderr] 
Dec 19 14:39:47.964 INFO [stderr] warning: function is never used: `render`
Dec 19 14:39:47.964 INFO [stderr]   --> src/rendering/mod.rs:4:1
Dec 19 14:39:47.964 INFO [stderr]    |
Dec 19 14:39:47.964 INFO [stderr] 4  | / fn render(pixels: &mut[u8],
Dec 19 14:39:47.964 INFO [stderr] 5  | |           bounds: (usize, usize),
Dec 19 14:39:47.964 INFO [stderr] 6  | |           upper_left: Complex<f64>,
Dec 19 14:39:47.964 INFO [stderr] 7  | |           lower_right: Complex<f64>) {
Dec 19 14:39:47.964 INFO [stderr] ...  |
Dec 19 14:39:47.964 INFO [stderr] 19 | |
Dec 19 14:39:47.964 INFO [stderr] 20 | | }
Dec 19 14:39:47.964 INFO [stderr]    | |_^
Dec 19 14:39:47.964 INFO [stderr]    |
Dec 19 14:39:47.964 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:39:47.964 INFO [stderr] 
Dec 19 14:39:48.660 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Dec 19 14:39:50.040 INFO running `"docker" "inspect" "7ed0fc6104d784175e5fc1e2eb161ed84849d8262094a040164b5fbb4d75e2ff"`
Dec 19 14:39:50.400 INFO running `"docker" "rm" "-f" "7ed0fc6104d784175e5fc1e2eb161ed84849d8262094a040164b5fbb4d75e2ff"`
Dec 19 14:39:50.760 INFO [stdout] 7ed0fc6104d784175e5fc1e2eb161ed84849d8262094a040164b5fbb4d75e2ff