Dec 17 19:01:58.916 INFO checking nabeelomer/ImageBuilder against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:01:58.916 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nabeelomer/ImageBuilder:/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 19:01:59.104 INFO [stdout] 181a1d9c945aa011da4f1844062a8e890201a5963b7cf441533809f4e2920f5d
Dec 17 19:01:59.109 INFO running `"docker" "start" "-a" "181a1d9c945aa011da4f1844062a8e890201a5963b7cf441533809f4e2920f5d"`
Dec 17 19:01:59.671 INFO [stderr]     Checking arrayvec v0.4.6
Dec 17 19:02:00.358 INFO [stderr]     Checking rusttype v0.3.0
Dec 17 19:02:01.400 INFO [stderr]     Checking ImageBuilder v0.1.0 (/opt/crater/workdir)
Dec 17 19:02:01.975 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:02:01.975 INFO [stderr]   --> src/main.rs:11:9
Dec 17 19:02:01.975 INFO [stderr]    |
Dec 17 19:02:01.975 INFO [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
Dec 17 19:02:01.975 INFO [stderr]    |         ----^^^^^
Dec 17 19:02:01.975 INFO [stderr]    |         |
Dec 17 19:02:01.975 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:02:01.975 INFO [stderr]    |
Dec 17 19:02:01.975 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:02:01.975 INFO [stderr] 
Dec 17 19:02:01.988 INFO [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
Dec 17 19:02:01.988 INFO [stderr]   |
Dec 17 19:02:01.988 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 19:02:01.988 INFO [stderr] 
Dec 17 19:02:02.216 INFO [stderr] warning: variable does not need to be mutable
Dec 17 19:02:02.216 INFO [stderr]   --> src/main.rs:11:9
Dec 17 19:02:02.216 INFO [stderr]    |
Dec 17 19:02:02.216 INFO [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
Dec 17 19:02:02.216 INFO [stderr]    |         ----^^^^^
Dec 17 19:02:02.216 INFO [stderr]    |         |
Dec 17 19:02:02.216 INFO [stderr]    |         help: remove this `mut`
Dec 17 19:02:02.216 INFO [stderr]    |
Dec 17 19:02:02.216 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 17 19:02:02.216 INFO [stderr] 
Dec 17 19:02:02.225 INFO [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
Dec 17 19:02:02.225 INFO [stderr]   |
Dec 17 19:02:02.225 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 19:02:02.226 INFO [stderr] 
Dec 17 19:02:02.284 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Dec 17 19:02:03.151 INFO running `"docker" "inspect" "181a1d9c945aa011da4f1844062a8e890201a5963b7cf441533809f4e2920f5d"`
Dec 17 19:02:03.418 INFO running `"docker" "rm" "-f" "181a1d9c945aa011da4f1844062a8e890201a5963b7cf441533809f4e2920f5d"`
Dec 17 19:02:03.646 INFO [stdout] 181a1d9c945aa011da4f1844062a8e890201a5963b7cf441533809f4e2920f5d