[INFO] crate slicetools 0.3.0 is already in cache
[INFO] extracting crate slicetools 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/slicetools/0.3.0
[INFO] extracting crate slicetools 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slicetools/0.3.0
[INFO] validating manifest of slicetools-0.3.0 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 slicetools-0.3.0 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 slicetools-0.3.0
[INFO] finished frobbing slicetools-0.3.0
[INFO] frobbed toml for slicetools-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/slicetools/0.3.0/Cargo.toml
[INFO] started frobbing slicetools-0.3.0
[INFO] finished frobbing slicetools-0.3.0
[INFO] frobbed toml for slicetools-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/slicetools/0.3.0/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 slicetools-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/slicetools/0.3.0:/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] b8a5482ff0d7de08055aeca3bf8a4bb53ef62dd440d439a38592df271d98a700
[INFO] running `"docker" "start" "-a" "b8a5482ff0d7de08055aeca3bf8a4bb53ef62dd440d439a38592df271d98a700"`
[INFO] [stderr]     Checking slicetools v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/cartesian_product_mut/mod.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let ret = Some((first, self.slice.1.get_mut(self.index.1).unwrap()));
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.slice.1[self.index.1]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/pairs_mut/mod.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Some((&mut *ptr.offset(first as isize), &mut *ptr.offset(second as isize)))
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(first)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/pairs_mut/mod.rs:45:55
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Some((&mut *ptr.offset(first as isize), &mut *ptr.offset(second as isize)))
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(second)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get_mut().unwrap()` on a slice. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/cartesian_product_mut/mod.rs:21:40
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 let ret = Some((first, self.slice.1.get_mut(self.index.1).unwrap()));
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `self.slice.1[self.index.1]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/pairs_mut/mod.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Some((&mut *ptr.offset(first as isize), &mut *ptr.offset(second as isize)))
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(first)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::ptr_offset_with_cast)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr] warning: use of `offset` with a `usize` casted to an `isize`
[INFO] [stderr]   --> src/pairs_mut/mod.rs:45:55
[INFO] [stderr]    |
[INFO] [stderr] 45 |         Some((&mut *ptr.offset(first as isize), &mut *ptr.offset(second as isize)))
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(second)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_offset_with_cast
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "b8a5482ff0d7de08055aeca3bf8a4bb53ef62dd440d439a38592df271d98a700"`
[INFO] running `"docker" "rm" "-f" "b8a5482ff0d7de08055aeca3bf8a4bb53ef62dd440d439a38592df271d98a700"`
[INFO] [stdout] b8a5482ff0d7de08055aeca3bf8a4bb53ef62dd440d439a38592df271d98a700