[INFO] crate undither 1.0.1 is already in cache
[INFO] checking undither-1.0.1 against master#4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb for pr-64672
[INFO] extracting crate undither 1.0.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate undither 1.0.1 on toolchain 4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate undither 1.0.1
[INFO] finished tweaking crates.io crate undither 1.0.1
[INFO] tweaked toml for crates.io crate undither 1.0.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4ff32c07da9d97e6dc315a4a5c9ffbb797cb27bb" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9aec751815eeadf389ffa697bf84b109f2cd5499d29a389bf4339d0190bdee53
[INFO] running `"docker" "start" "-a" "9aec751815eeadf389ffa697bf84b109f2cd5499d29a389bf4339d0190bdee53"`
[INFO] [stderr]     Checking loop9 v0.1.1
[INFO] [stderr]     Checking undither v1.0.1 (/opt/rustwide/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 1.98s
[INFO] running `"docker" "inspect" "9aec751815eeadf389ffa697bf84b109f2cd5499d29a389bf4339d0190bdee53"`
[INFO] running `"docker" "rm" "-f" "9aec751815eeadf389ffa697bf84b109f2cd5499d29a389bf4339d0190bdee53"`
[INFO] [stdout] 9aec751815eeadf389ffa697bf84b109f2cd5499d29a389bf4339d0190bdee53