[INFO] updating cached repository b-m-f/pixelPrint
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/b-m-f/pixelPrint
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/pixelPrint" "work/ex/clippy-test-run/sources/stable/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/b-m-f/pixelPrint'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/b-m-f/pixelPrint" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/b-m-f/pixelPrint"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/b-m-f/pixelPrint'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6e46d0aa5908d8839f37cf13bf1a14cd249aa7c
[INFO] sha for GitHub repo b-m-f/pixelPrint: e6e46d0aa5908d8839f37cf13bf1a14cd249aa7c
[INFO] validating manifest of b-m-f/pixelPrint on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of b-m-f/pixelPrint on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing b-m-f/pixelPrint
[INFO] finished frobbing b-m-f/pixelPrint
[INFO] frobbed toml for b-m-f/pixelPrint written to work/ex/clippy-test-run/sources/stable/gh/b-m-f/pixelPrint/Cargo.toml
[INFO] started frobbing b-m-f/pixelPrint
[INFO] finished frobbing b-m-f/pixelPrint
[INFO] frobbed toml for b-m-f/pixelPrint written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/b-m-f/pixelPrint/Cargo.toml
[INFO] crate b-m-f/pixelPrint has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting b-m-f/pixelPrint against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/b-m-f/pixelPrint:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 727319a379e457ec71fbcd28fa5f40f9224a6a5c34a1e1d649dac4e51aa882ba
[INFO] running `"docker" "start" "-a" "727319a379e457ec71fbcd28fa5f40f9224a6a5c34a1e1d649dac4e51aa882ba"`
[INFO] [stderr]     Checking pixel_sorter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `tmp_image`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let tmp_image = rgba_image.clone();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider using `_tmp_image` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let ref input = &args[1];
[INFO] [stderr]    |         ----^^^^^^^^^------------ help: try: `let input = &(&args[1]);`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tmp_image`
[INFO] [stderr]   --> src/main.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let tmp_image = rgba_image.clone();
[INFO] [stderr]    |         ^^^^^^^^^ help: consider using `_tmp_image` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let ref input = &args[1];
[INFO] [stderr]    |         ----^^^^^^^^^------------ help: try: `let input = &(&args[1]);`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "727319a379e457ec71fbcd28fa5f40f9224a6a5c34a1e1d649dac4e51aa882ba"`
[INFO] running `"docker" "rm" "-f" "727319a379e457ec71fbcd28fa5f40f9224a6a5c34a1e1d649dac4e51aa882ba"`
[INFO] [stdout] 727319a379e457ec71fbcd28fa5f40f9224a6a5c34a1e1d649dac4e51aa882ba