[INFO] crate undither 1.0.1 is already in cache
[INFO] extracting crate undither 1.0.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/undither/1.0.1
[INFO] extracting crate undither 1.0.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/undither/1.0.1
[INFO] validating manifest of undither-1.0.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of undither-1.0.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing undither-1.0.1
[INFO] finished frobbing undither-1.0.1
[INFO] frobbed toml for undither-1.0.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/undither/1.0.1/Cargo.toml
[INFO] started frobbing undither-1.0.1
[INFO] finished frobbing undither-1.0.1
[INFO] frobbed toml for undither-1.0.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/undither/1.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking undither-1.0.1 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/undither/1.0.1:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] efca78bfcf77757dfe25be4bade4c30b66c6ad6b28fc6ffacde492a176b4c93c
[INFO] running `"docker" "start" "-a" "efca78bfcf77757dfe25be4bade4c30b66c6ad6b28fc6ffacde492a176b4c93c"`
[INFO] [stderr]     Checking imgref v1.4.0
[INFO] [stderr]     Checking vpsearch v1.3.5
[INFO] [stderr]     Checking loop9 v0.1.1
[INFO] [stderr]     Checking undither v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/prewitt.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let gray: Vec<_> = input.buf.iter().cloned().map(|px|px.to_gray()).collect();
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/undither.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prewitt = prewitt_image.buf[x + y*prewitt_stride];
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/undither.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 out.buf[x + y*out_stride] = acc.result();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/prewitt.rs:21:24
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let gray: Vec<_> = input.buf.iter().cloned().map(|px|px.to_gray()).collect();
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/undither.rs:50:31
[INFO] [stderr]    |
[INFO] [stderr] 50 |                 let prewitt = prewitt_image.buf[x + y*prewitt_stride];
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'imgref::Img::buf': Don't access struct fields directly. Use buf(), buf_mut() or into_buf()
[INFO] [stderr]   --> src/undither.rs:71:17
[INFO] [stderr]    |
[INFO] [stderr] 71 |                 out.buf[x + y*out_stride] = acc.result();
[INFO] [stderr]    |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "efca78bfcf77757dfe25be4bade4c30b66c6ad6b28fc6ffacde492a176b4c93c"`
[INFO] running `"docker" "rm" "-f" "efca78bfcf77757dfe25be4bade4c30b66c6ad6b28fc6ffacde492a176b4c93c"`
[INFO] [stdout] efca78bfcf77757dfe25be4bade4c30b66c6ad6b28fc6ffacde492a176b4c93c