[INFO] crate dir-diff 0.3.1 is already in cache
[INFO] extracting crate dir-diff 0.3.1 into work/ex/clippy-test-run/sources/stable/reg/dir-diff/0.3.1
[INFO] extracting crate dir-diff 0.3.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dir-diff/0.3.1
[INFO] validating manifest of dir-diff-0.3.1 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 dir-diff-0.3.1 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 dir-diff-0.3.1
[INFO] finished frobbing dir-diff-0.3.1
[INFO] frobbed toml for dir-diff-0.3.1 written to work/ex/clippy-test-run/sources/stable/reg/dir-diff/0.3.1/Cargo.toml
[INFO] started frobbing dir-diff-0.3.1
[INFO] finished frobbing dir-diff-0.3.1
[INFO] frobbed toml for dir-diff-0.3.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/dir-diff/0.3.1/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 dir-diff-0.3.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/dir-diff/0.3.1:/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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 059bf7fc583ba8ff0f551c990b0eae3b5bd8c030e395ae1b23fba9d146eb4a5b
[INFO] running `"docker" "start" "-a" "059bf7fc583ba8ff0f551c990b0eae3b5bd8c030e395ae1b23fba9d146eb4a5b"`
[INFO] [stderr]     Checking dir-diff v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/lib.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Ok(!a_walker.next().is_none() || !b_walker.next().is_none())
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `a_walker.next().is_some() || b_walker.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]   --> src/lib.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 |     Ok(!a_walker.next().is_none() || !b_walker.next().is_none())
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `a_walker.next().is_some() || b_walker.next().is_some()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "059bf7fc583ba8ff0f551c990b0eae3b5bd8c030e395ae1b23fba9d146eb4a5b"`
[INFO] running `"docker" "rm" "-f" "059bf7fc583ba8ff0f551c990b0eae3b5bd8c030e395ae1b23fba9d146eb4a5b"`
[INFO] [stdout] 059bf7fc583ba8ff0f551c990b0eae3b5bd8c030e395ae1b23fba9d146eb4a5b