Dec 19 22:25:59.173 INFO checking PeronTheDuck/rust_Floyd_Steinberg_dithering against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 22:25:59.173 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/PeronTheDuck/rust_Floyd_Steinberg_dithering:/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 22:25:59.401 INFO [stdout] 390d86acf410308a8b687d2eac507a94ed72fd2bb4e47f5cd057b7d4db64df9a
Dec 19 22:25:59.406 INFO running `"docker" "start" "-a" "390d86acf410308a8b687d2eac507a94ed72fd2bb4e47f5cd057b7d4db64df9a"`
Dec 19 22:26:00.617 INFO [stderr]    Compiling syn v0.15.8
Dec 19 22:26:07.357 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 22:26:11.833 INFO [stderr]     Checking tiff v0.2.1
Dec 19 22:26:12.534 INFO [stderr]     Checking image v0.20.0
Dec 19 22:26:16.864 INFO [stderr]     Checking floyd_steinberg_dithering v0.1.0 (/opt/crater/workdir)
Dec 19 22:26:17.564 INFO [stderr] warning: type `rgba` should have a camel case name such as `Rgba`
Dec 19 22:26:17.564 INFO [stderr]  --> src/main.rs:5:1
Dec 19 22:26:17.564 INFO [stderr]   |
Dec 19 22:26:17.564 INFO [stderr] 5 | type rgba = image::Rgba<u8>;
Dec 19 22:26:17.564 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:26:17.564 INFO [stderr]   |
Dec 19 22:26:17.564 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 22:26:17.564 INFO [stderr] 
Dec 19 22:26:17.596 INFO [stderr] warning: type `rgba` should have a camel case name such as `Rgba`
Dec 19 22:26:17.596 INFO [stderr]  --> src/main.rs:5:1
Dec 19 22:26:17.596 INFO [stderr]   |
Dec 19 22:26:17.596 INFO [stderr] 5 | type rgba = image::Rgba<u8>;
Dec 19 22:26:17.596 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 22:26:17.596 INFO [stderr]   |
Dec 19 22:26:17.596 INFO [stderr]   = note: #[warn(non_camel_case_types)] on by default
Dec 19 22:26:17.596 INFO [stderr] 
Dec 19 22:26:17.620 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
Dec 19 22:26:17.944 INFO running `"docker" "inspect" "390d86acf410308a8b687d2eac507a94ed72fd2bb4e47f5cd057b7d4db64df9a"`
Dec 19 22:26:18.077 INFO running `"docker" "rm" "-f" "390d86acf410308a8b687d2eac507a94ed72fd2bb4e47f5cd057b7d4db64df9a"`
Dec 19 22:26:18.247 INFO [stdout] 390d86acf410308a8b687d2eac507a94ed72fd2bb4e47f5cd057b7d4db64df9a