Dec 19 17:32:17.405 INFO checking eignnx/mandelbrot against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 17:32:17.406 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/eignnx/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 17:32:17.948 INFO [stdout] 36f2c8bb86e8865fe825184e8f45ee1e4bd0c5172a8a8f14c7d5589318ff286e
Dec 19 17:32:17.954 INFO running `"docker" "start" "-a" "36f2c8bb86e8865fe825184e8f45ee1e4bd0c5172a8a8f14c7d5589318ff286e"`
Dec 19 17:32:20.613 INFO [stderr]     Checking rayon-core v1.3.0
Dec 19 17:32:20.613 INFO [stderr]     Checking num-rational v0.1.40
Dec 19 17:32:21.768 INFO [stderr]     Checking rayon v0.8.2
Dec 19 17:32:24.052 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 17:32:25.316 INFO [stderr]     Checking image v0.18.0
Dec 19 17:32:29.495 INFO [stderr]     Checking mandelbrot v0.1.0 (/opt/crater/workdir)
Dec 19 17:32:30.271 INFO [stderr] warning: method is never used: `from_center_scale`
Dec 19 17:32:30.271 INFO [stderr]   --> src/main.rs:63:5
Dec 19 17:32:30.272 INFO [stderr]    |
Dec 19 17:32:30.272 INFO [stderr] 63 |     fn from_center_scale(center: Complex64, scale: f64, aspect_ratio: f64) -> CWindow {
Dec 19 17:32:30.272 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:30.273 INFO [stderr]    |
Dec 19 17:32:30.273 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 17:32:30.273 INFO [stderr] 
Dec 19 17:32:30.274 INFO [stderr] warning: method is never used: `from_corner_w_h`
Dec 19 17:32:30.274 INFO [stderr]   --> src/main.rs:73:5
Dec 19 17:32:30.274 INFO [stderr]    |
Dec 19 17:32:30.274 INFO [stderr] 73 |     fn from_corner_w_h(upper_left: Complex64, width: f64, height: f64) -> CWindow {
Dec 19 17:32:30.274 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:30.275 INFO [stderr] 
Dec 19 17:32:30.275 INFO [stderr] warning: method is never used: `center`
Dec 19 17:32:30.275 INFO [stderr]   --> src/main.rs:88:5
Dec 19 17:32:30.275 INFO [stderr]    |
Dec 19 17:32:30.275 INFO [stderr] 88 |     fn center(&self) -> Complex64 {
Dec 19 17:32:30.275 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 17:32:30.275 INFO [stderr] 
Dec 19 17:32:30.550 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
Dec 19 17:32:32.028 INFO running `"docker" "inspect" "36f2c8bb86e8865fe825184e8f45ee1e4bd0c5172a8a8f14c7d5589318ff286e"`
Dec 19 17:32:32.418 INFO running `"docker" "rm" "-f" "36f2c8bb86e8865fe825184e8f45ee1e4bd0c5172a8a8f14c7d5589318ff286e"`
Dec 19 17:32:32.750 INFO [stdout] 36f2c8bb86e8865fe825184e8f45ee1e4bd0c5172a8a8f14c7d5589318ff286e