Dec 17 21:47:46.901 INFO checking kadtewsd/mandelbrot against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:47:46.901 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 21:47:47.372 INFO [stdout] 64dc78931549d2160180f442f47555323a375431444e2ad6794a3b188c2f1556
Dec 17 21:47:47.378 INFO running `"docker" "start" "-a" "64dc78931549d2160180f442f47555323a375431444e2ad6794a3b188c2f1556"`
Dec 17 21:47:49.550 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 17 21:47:50.112 INFO [stderr] warning: function is never used: `render`
Dec 17 21:47:50.113 INFO [stderr]   --> src/rendering/mod.rs:4:1
Dec 17 21:47:50.113 INFO [stderr]    |
Dec 17 21:47:50.113 INFO [stderr] 4  | / fn render(pixels: &mut[u8],
Dec 17 21:47:50.113 INFO [stderr] 5  | |           bounds: (usize, usize),
Dec 17 21:47:50.114 INFO [stderr] 6  | |           upper_left: Complex<f64>,
Dec 17 21:47:50.114 INFO [stderr] 7  | |           lower_right: Complex<f64>) {
Dec 17 21:47:50.114 INFO [stderr] ...  |
Dec 17 21:47:50.114 INFO [stderr] 19 | |
Dec 17 21:47:50.114 INFO [stderr] 20 | | }
Dec 17 21:47:50.115 INFO [stderr]    | |_^
Dec 17 21:47:50.115 INFO [stderr]    |
Dec 17 21:47:50.115 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 21:47:50.115 INFO [stderr] 
Dec 17 21:47:50.117 INFO [stderr] warning: function is never used: `parse_pair`
Dec 17 21:47:50.117 INFO [stderr]  --> src/parsing/mod.rs:4:1
Dec 17 21:47:50.117 INFO [stderr]   |
Dec 17 21:47:50.117 INFO [stderr] 4 | fn parse_pair<T: FromStr>(s: &str, separator: char) -> Option<(T, T)> {
Dec 17 21:47:50.117 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 21:47:50.117 INFO [stderr]   |
Dec 17 21:47:50.117 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 21:47:50.118 INFO [stderr] 
Dec 17 21:47:50.118 INFO [stderr] warning: function is never used: `render`
Dec 17 21:47:50.118 INFO [stderr]   --> src/rendering/mod.rs:4:1
Dec 17 21:47:50.118 INFO [stderr]    |
Dec 17 21:47:50.118 INFO [stderr] 4  | / fn render(pixels: &mut[u8],
Dec 17 21:47:50.118 INFO [stderr] 5  | |           bounds: (usize, usize),
Dec 17 21:47:50.119 INFO [stderr] 6  | |           upper_left: Complex<f64>,
Dec 17 21:47:50.119 INFO [stderr] 7  | |           lower_right: Complex<f64>) {
Dec 17 21:47:50.119 INFO [stderr] ...  |
Dec 17 21:47:50.119 INFO [stderr] 19 | |
Dec 17 21:47:50.119 INFO [stderr] 20 | | }
Dec 17 21:47:50.119 INFO [stderr]    | |_^
Dec 17 21:47:50.119 INFO [stderr] 
Dec 17 21:47:50.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
Dec 17 21:47:51.415 INFO running `"docker" "inspect" "64dc78931549d2160180f442f47555323a375431444e2ad6794a3b188c2f1556"`
Dec 17 21:47:51.594 INFO running `"docker" "rm" "-f" "64dc78931549d2160180f442f47555323a375431444e2ad6794a3b188c2f1556"`
Dec 17 21:47:51.867 INFO [stdout] 64dc78931549d2160180f442f47555323a375431444e2ad6794a3b188c2f1556