[INFO] updating cached repository XeryusTC/image-palette
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/XeryusTC/image-palette
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/XeryusTC/image-palette" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/XeryusTC/image-palette"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/XeryusTC/image-palette'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/XeryusTC/image-palette" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/XeryusTC/image-palette"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/XeryusTC/image-palette'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a67e27105cbdfcb12a07f7209fb867121d038873
[INFO] sha for GitHub repo XeryusTC/image-palette: a67e27105cbdfcb12a07f7209fb867121d038873
[INFO] validating manifest of XeryusTC/image-palette on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of XeryusTC/image-palette on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing XeryusTC/image-palette
[INFO] finished frobbing XeryusTC/image-palette
[INFO] frobbed toml for XeryusTC/image-palette written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/XeryusTC/image-palette/Cargo.toml
[INFO] started frobbing XeryusTC/image-palette
[INFO] finished frobbing XeryusTC/image-palette
[INFO] frobbed toml for XeryusTC/image-palette written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/XeryusTC/image-palette/Cargo.toml
[INFO] crate XeryusTC/image-palette already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking XeryusTC/image-palette against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-4/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/XeryusTC/image-palette:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cc0e3eb60a7939ae8d75282a2f00ba22452825dfc7192e18ee9453f2433ccd92
[INFO] running `"docker" "start" "-a" "cc0e3eb60a7939ae8d75282a2f00ba22452825dfc7192e18ee9453f2433ccd92"`
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.14
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking theme-palette v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut pixel = imgbuf.get_pixel_mut(x, y);
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |             let mut pixel = imgbuf.get_pixel_mut(x, y);
[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]     Finished dev [unoptimized + debuginfo] target(s) in 9.19s
[INFO] running `"docker" "inspect" "cc0e3eb60a7939ae8d75282a2f00ba22452825dfc7192e18ee9453f2433ccd92"`
[INFO] running `"docker" "rm" "-f" "cc0e3eb60a7939ae8d75282a2f00ba22452825dfc7192e18ee9453f2433ccd92"`
[INFO] [stdout] cc0e3eb60a7939ae8d75282a2f00ba22452825dfc7192e18ee9453f2433ccd92