[INFO] crate etcommon-hexutil 0.2.4 is already in cache
[INFO] extracting crate etcommon-hexutil 0.2.4 into work/ex/clippy-test-run/sources/stable/reg/etcommon-hexutil/0.2.4
[INFO] extracting crate etcommon-hexutil 0.2.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/etcommon-hexutil/0.2.4
[INFO] validating manifest of etcommon-hexutil-0.2.4 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 etcommon-hexutil-0.2.4 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 etcommon-hexutil-0.2.4
[INFO] finished frobbing etcommon-hexutil-0.2.4
[INFO] frobbed toml for etcommon-hexutil-0.2.4 written to work/ex/clippy-test-run/sources/stable/reg/etcommon-hexutil/0.2.4/Cargo.toml
[INFO] started frobbing etcommon-hexutil-0.2.4
[INFO] finished frobbing etcommon-hexutil-0.2.4
[INFO] frobbed toml for etcommon-hexutil-0.2.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/etcommon-hexutil/0.2.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 etcommon-hexutil-0.2.4 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/etcommon-hexutil/0.2.4:/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 -Dclippy::into_iter_on_array" "-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] c4f30b21c979b459f692829bb321ced809703e1ffe4184595401044b185f784d
[INFO] running `"docker" "start" "-a" "c4f30b21c979b459f692829bb321ced809703e1ffe4184595401044b185f784d"`
[INFO] [stderr]     Checking etcommon-hexutil v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Ok(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(res)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/lib.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     return Ok(res);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^ help: remove `return` as shown: `Ok(res)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "c4f30b21c979b459f692829bb321ced809703e1ffe4184595401044b185f784d"`
[INFO] running `"docker" "rm" "-f" "c4f30b21c979b459f692829bb321ced809703e1ffe4184595401044b185f784d"`
[INFO] [stdout] c4f30b21c979b459f692829bb321ced809703e1ffe4184595401044b185f784d