[INFO] updating cached repository LFalch/mazes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LFalch/mazes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LFalch/mazes" "work/ex/clippy-test-run/sources/stable/gh/LFalch/mazes"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/LFalch/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LFalch/mazes" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LFalch/mazes"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LFalch/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4e83084f645d2582929d8a818df0c4d06923bb7
[INFO] sha for GitHub repo LFalch/mazes: c4e83084f645d2582929d8a818df0c4d06923bb7
[INFO] validating manifest of LFalch/mazes 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 LFalch/mazes 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 LFalch/mazes
[INFO] finished frobbing LFalch/mazes
[INFO] frobbed toml for LFalch/mazes written to work/ex/clippy-test-run/sources/stable/gh/LFalch/mazes/Cargo.toml
[INFO] started frobbing LFalch/mazes
[INFO] finished frobbing LFalch/mazes
[INFO] frobbed toml for LFalch/mazes written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/LFalch/mazes/Cargo.toml
[INFO] crate LFalch/mazes 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 LFalch/mazes against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-1/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/LFalch/mazes:/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] f8bdeb2347d50ff78742fe633f18aaf11a15df61861f1deea12a6aa67355cf80
[INFO] running `"docker" "start" "-a" "f8bdeb2347d50ff78742fe633f18aaf11a15df61861f1deea12a6aa67355cf80"`
[INFO] [stderr]     Checking mazes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]  --> src/a_star.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let &Point(i, j) = goal;
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]  --> src/a_star.rs:9:19
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let &Point(i, j) = goal;
[INFO] [stderr]   |                   ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::many_single_char_names)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#many_single_char_names
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/a_star.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let start = maze.get_entrance().into();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `maze.get_entrance()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/a_star.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let end = maze.get_exit().into();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `maze.get_exit()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn walk(p: &u8) -> bool {
[INFO] [stderr]    |            ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     p >= &127
[INFO] [stderr]    |     ^^^^^----
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: use the right value directly: `127`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/a_star.rs:46:17
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let start = maze.get_entrance().into();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `maze.get_entrance()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]   --> src/a_star.rs:47:15
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let end = maze.get_exit().into();
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `maze.get_exit()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/lib.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn walk(p: &u8) -> bool {
[INFO] [stderr]    |            ^^^ help: consider passing by value instead: `u8`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: taken reference of right operand
[INFO] [stderr]   --> src/lib.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     p >= &127
[INFO] [stderr]    |     ^^^^^----
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: use the right value directly: `127`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::op_ref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `"docker" "inspect" "f8bdeb2347d50ff78742fe633f18aaf11a15df61861f1deea12a6aa67355cf80"`
[INFO] running `"docker" "rm" "-f" "f8bdeb2347d50ff78742fe633f18aaf11a15df61861f1deea12a6aa67355cf80"`
[INFO] [stdout] f8bdeb2347d50ff78742fe633f18aaf11a15df61861f1deea12a6aa67355cf80