[INFO] updating cached repository scjudd/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scjudd/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scjudd/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable/gh/scjudd/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/scjudd/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scjudd/advent-of-code-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scjudd/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scjudd/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28ca2ce5bec27938ad6acf6b189c7b51f373ef08
[INFO] sha for GitHub repo scjudd/advent-of-code-2018: 28ca2ce5bec27938ad6acf6b189c7b51f373ef08
[INFO] validating manifest of scjudd/advent-of-code-2018 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 scjudd/advent-of-code-2018 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 scjudd/advent-of-code-2018
[INFO] finished frobbing scjudd/advent-of-code-2018
[INFO] frobbed toml for scjudd/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable/gh/scjudd/advent-of-code-2018/Cargo.toml
[INFO] started frobbing scjudd/advent-of-code-2018
[INFO] finished frobbing scjudd/advent-of-code-2018
[INFO] frobbed toml for scjudd/advent-of-code-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/scjudd/advent-of-code-2018/Cargo.toml
[INFO] crate scjudd/advent-of-code-2018 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 scjudd/advent-of-code-2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/scjudd/advent-of-code-2018:/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] e74715f6e70267d108eac2304d83de7ee494744e556b7b2cf55896426ee47a69
[INFO] running `"docker" "start" "-a" "e74715f6e70267d108eac2304d83de7ee494744e556b7b2cf55896426ee47a69"`
[INFO] [stderr]     Checking advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day1.rs:42:26
[INFO] [stderr]    |
[INFO] [stderr] 42 |         assert_eq!(part1(&vec![1, -2, 3, 1]), 3);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[1, -2, 3, 1]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_vec)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day1.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |         assert_eq!(part2(&vec![1, -1]), 0);
[INFO] [stderr]    |                          ^^^^^^^^^^^^ help: you can use a slice directly: `&[1, -1]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day1.rs:48:26
[INFO] [stderr]    |
[INFO] [stderr] 48 |         assert_eq!(part2(&vec![3, 3, 4, -2, -4]), 10);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[3, 3, 4, -2, -4]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day1.rs:49:26
[INFO] [stderr]    |
[INFO] [stderr] 49 |         assert_eq!(part2(&vec![-6, 3, 8, 5, -6]), 5);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[-6, 3, 8, 5, -6]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stderr] 
[INFO] [stderr] warning: useless use of `vec!`
[INFO] [stderr]   --> src/day1.rs:50:26
[INFO] [stderr]    |
[INFO] [stderr] 50 |         assert_eq!(part2(&vec![7, 7, -2, -7, -4]), 14);
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^ help: you can use a slice directly: `&[7, 7, -2, -7, -4]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[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/day2.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn part1(input: &Vec<String>) -> i32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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/day2.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn part2(input: &Vec<String>) -> Option<String> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a Vec. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/day2.rs:46:30
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let letter = diffs.iter().nth(0).unwrap();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_nth)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[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/day3.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn part1(input: &Vec<Claim>) -> u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: change this to: `&[Claim]`
[INFO] [stderr]    |
[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/day3.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn part2(input: &Vec<Claim>) -> u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: change this to: `&[Claim]`
[INFO] [stderr]    |
[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/day2.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn part1(input: &Vec<String>) -> i32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[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/day2.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn part2(input: &Vec<String>) -> Option<String> {
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: change this to: `&[String]`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.iter().nth()` on a Vec. Calling `.get()` is both faster and more readable
[INFO] [stderr]   --> src/day2.rs:46:30
[INFO] [stderr]    |
[INFO] [stderr] 46 |                 let letter = diffs.iter().nth(0).unwrap();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::iter_nth)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth
[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/day3.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn part1(input: &Vec<Claim>) -> u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: change this to: `&[Claim]`
[INFO] [stderr]    |
[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/day3.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn part2(input: &Vec<Claim>) -> u32 {
[INFO] [stderr]    |                 ^^^^^^^^^^^ help: change this to: `&[Claim]`
[INFO] [stderr]    |
[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 1.49s
[INFO] running `"docker" "inspect" "e74715f6e70267d108eac2304d83de7ee494744e556b7b2cf55896426ee47a69"`
[INFO] running `"docker" "rm" "-f" "e74715f6e70267d108eac2304d83de7ee494744e556b7b2cf55896426ee47a69"`
[INFO] [stdout] e74715f6e70267d108eac2304d83de7ee494744e556b7b2cf55896426ee47a69