[INFO] updating cached repository rodrigo-garcia-leon/tictactoe
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rodrigo-garcia-leon/tictactoe
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rodrigo-garcia-leon/tictactoe" "work/ex/clippy-test-run/sources/stable/gh/rodrigo-garcia-leon/tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/rodrigo-garcia-leon/tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rodrigo-garcia-leon/tictactoe" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rodrigo-garcia-leon/tictactoe"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rodrigo-garcia-leon/tictactoe'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e9106ac4bf3a1440444f1b0b0440f7747b212ed
[INFO] sha for GitHub repo rodrigo-garcia-leon/tictactoe: 8e9106ac4bf3a1440444f1b0b0440f7747b212ed
[INFO] validating manifest of rodrigo-garcia-leon/tictactoe 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 rodrigo-garcia-leon/tictactoe 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 rodrigo-garcia-leon/tictactoe
[INFO] finished frobbing rodrigo-garcia-leon/tictactoe
[INFO] frobbed toml for rodrigo-garcia-leon/tictactoe written to work/ex/clippy-test-run/sources/stable/gh/rodrigo-garcia-leon/tictactoe/Cargo.toml
[INFO] started frobbing rodrigo-garcia-leon/tictactoe
[INFO] finished frobbing rodrigo-garcia-leon/tictactoe
[INFO] frobbed toml for rodrigo-garcia-leon/tictactoe written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/rodrigo-garcia-leon/tictactoe/Cargo.toml
[INFO] crate rodrigo-garcia-leon/tictactoe 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 rodrigo-garcia-leon/tictactoe 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-4/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/gh/rodrigo-garcia-leon/tictactoe:/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] 69e31e6e2fd00963754477a74d46d8860b8fe2dd5579bf26e41c84646e5ffc3b
[INFO] running `"docker" "start" "-a" "69e31e6e2fd00963754477a74d46d8860b8fe2dd5579bf26e41c84646e5ffc3b"`
[INFO] [stderr]     Checking tictactoe v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/board.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return self.cells[get_cell_index(self.size, row, col)];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cells[get_cell_index(self.size, row, col)]`
[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/board.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return *self.get_cell_at(position.0, position.1) == Cell::Empty;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `*self.get_cell_at(position.0, position.1) == Cell::Empty`
[INFO] [stderr]    |
[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/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     return (col - 1) + size * (row - 1);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(col - 1) + size * (row - 1)`
[INFO] [stderr]   |
[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/board.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         return self.cells[get_cell_index(self.size, row, col)];
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.cells[get_cell_index(self.size, row, col)]`
[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/board.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         return *self.get_cell_at(position.0, position.1) == Cell::Empty;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `*self.get_cell_at(position.0, position.1) == Cell::Empty`
[INFO] [stderr]    |
[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/utils.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     return (col - 1) + size * (row - 1);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(col - 1) + size * (row - 1)`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/utils.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn is_slice_full(slice: &Vec<&Cell>) -> bool {
[INFO] [stderr]   |                             ^^^^^^^^^^^ help: change this to: `&[&Cell]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]  --> src/utils.rs:7:29
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn is_slice_full(slice: &Vec<&Cell>) -> bool {
[INFO] [stderr]   |                             ^^^^^^^^^^^ help: change this to: `&[&Cell]`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "69e31e6e2fd00963754477a74d46d8860b8fe2dd5579bf26e41c84646e5ffc3b"`
[INFO] running `"docker" "rm" "-f" "69e31e6e2fd00963754477a74d46d8860b8fe2dd5579bf26e41c84646e5ffc3b"`
[INFO] [stdout] 69e31e6e2fd00963754477a74d46d8860b8fe2dd5579bf26e41c84646e5ffc3b