[INFO] updating cached repository nabeelomer/ImageBuilder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nabeelomer/ImageBuilder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nabeelomer/ImageBuilder" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/nabeelomer/ImageBuilder"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/nabeelomer/ImageBuilder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nabeelomer/ImageBuilder" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/nabeelomer/ImageBuilder"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/nabeelomer/ImageBuilder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f6fb24e817040c619dbbb8d9754e472a8764537
[INFO] sha for GitHub repo nabeelomer/ImageBuilder: 2f6fb24e817040c619dbbb8d9754e472a8764537
[INFO] validating manifest of nabeelomer/ImageBuilder on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nabeelomer/ImageBuilder on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nabeelomer/ImageBuilder
[INFO] finished frobbing nabeelomer/ImageBuilder
[INFO] frobbed toml for nabeelomer/ImageBuilder written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/nabeelomer/ImageBuilder/Cargo.toml
[INFO] started frobbing nabeelomer/ImageBuilder
[INFO] finished frobbing nabeelomer/ImageBuilder
[INFO] frobbed toml for nabeelomer/ImageBuilder written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/nabeelomer/ImageBuilder/Cargo.toml
[INFO] crate nabeelomer/ImageBuilder has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nabeelomer/ImageBuilder against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-5/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/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" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 52fa9cb78d4ad4f94dfef7384c77fb70ab9bf33a08845e7c0d654fa771d8c6e2
[INFO] running `"docker" "start" "-a" "52fa9cb78d4ad4f94dfef7384c77fb70ab9bf33a08845e7c0d654fa771d8c6e2"`
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking arrayvec v0.4.6
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]     Checking rusttype v0.3.0
[INFO] [stderr]     Checking ImageBuilder v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut image = DynamicImage::new_rgba8(1920, 1080).to_rgba();
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ImageBuilder` should have a snake case name such as `image_builder`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `"docker" "inspect" "52fa9cb78d4ad4f94dfef7384c77fb70ab9bf33a08845e7c0d654fa771d8c6e2"`
[INFO] running `"docker" "rm" "-f" "52fa9cb78d4ad4f94dfef7384c77fb70ab9bf33a08845e7c0d654fa771d8c6e2"`
[INFO] [stdout] 52fa9cb78d4ad4f94dfef7384c77fb70ab9bf33a08845e7c0d654fa771d8c6e2