[INFO] updating cached repository jmacmahon/advent-of-code-2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jmacmahon/advent-of-code-2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacmahon/advent-of-code-2016" "work/ex/clippy-test-run/sources/stable/gh/jmacmahon/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/jmacmahon/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jmacmahon/advent-of-code-2016" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jmacmahon/advent-of-code-2016"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jmacmahon/advent-of-code-2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 065b54ffec30020f9242161531bbf4fe438bb8c4
[INFO] sha for GitHub repo jmacmahon/advent-of-code-2016: 065b54ffec30020f9242161531bbf4fe438bb8c4
[INFO] validating manifest of jmacmahon/advent-of-code-2016 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 jmacmahon/advent-of-code-2016 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 jmacmahon/advent-of-code-2016
[INFO] finished frobbing jmacmahon/advent-of-code-2016
[INFO] frobbed toml for jmacmahon/advent-of-code-2016 written to work/ex/clippy-test-run/sources/stable/gh/jmacmahon/advent-of-code-2016/Cargo.toml
[INFO] started frobbing jmacmahon/advent-of-code-2016
[INFO] finished frobbing jmacmahon/advent-of-code-2016
[INFO] frobbed toml for jmacmahon/advent-of-code-2016 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/jmacmahon/advent-of-code-2016/Cargo.toml
[INFO] crate jmacmahon/advent-of-code-2016 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 jmacmahon/advent-of-code-2016 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-6/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/jmacmahon/advent-of-code-2016:/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] c1b395f276ee57ebfd7c9c21a29754d16e994b6acb8e27236d50ef5e451d7635
[INFO] running `"docker" "start" "-a" "c1b395f276ee57ebfd7c9c21a29754d16e994b6acb8e27236d50ef5e451d7635"`
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day01/mod.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Some(Step { direction: direction, distance: distance })
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day01/mod.rs:76:39
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Some(Step { direction: direction, distance: distance })
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: replace it with: `distance`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day04/mod.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Ok(Room { name: name, sector: sector_int, checksum: &checksum[..5] })
[INFO] [stderr]    |               ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day01/mod.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Some(Step { direction: direction, distance: distance })
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `direction`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day01/mod.rs:76:39
[INFO] [stderr]    |
[INFO] [stderr] 76 |     Some(Step { direction: direction, distance: distance })
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: replace it with: `distance`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]   --> src/day04/mod.rs:18:15
[INFO] [stderr]    |
[INFO] [stderr] 18 |     Ok(Room { name: name, sector: sector_int, checksum: &checksum[..5] })
[INFO] [stderr]    |               ^^^^^^^^^^ help: replace it with: `name`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day01/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day02/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static [&'static str] = &[
[INFO] [stderr]   |              -^^^^^^^--------------- help: consider removing `'static`: `&[&'static str]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day02/mod.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static [&'static str] = &[
[INFO] [stderr]   |                        -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day01/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day02/mod.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static [&'static str] = &[
[INFO] [stderr]   |              -^^^^^^^--------------- help: consider removing `'static`: `&[&'static str]`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/day02/mod.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static [&'static str] = &[
[INFO] [stderr]   |                        -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]  --> src/day01/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/day01/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Direction { L, R }
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Step`
[INFO] [stderr]   --> src/day01/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Step {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompassPoint`
[INFO] [stderr]   --> src/day01/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum CompassPoint { N, E, S, W }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]   --> src/day01/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Position  {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day01/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_to_position`
[INFO] [stderr]   --> src/day01/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn apply_to_position(position: &mut Position, step: &Step) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_step`
[INFO] [stderr]   --> src/day01/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn parse_step(step_str: &str) -> Option<Step> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]   --> src/day02/mod.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / const INPUT: &'static [&'static str] = &[
[INFO] [stderr] 2  | | r#"ULL
[INFO] [stderr] 3  | | RRDDD
[INFO] [stderr] 4  | | LURDL
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | | DRRDRRURURUDDDRULRUDLDLDULRLDURURUUURURLURURDDDDRULUDLDDRDDUDULRUUULRDUDULURLRULRDDLDUDLDLULRULDRRLUDLLLLURUDUDLLDLDRLRUUULRDDLUURDRRDLUDUDRULRRDDRRLDUDLLDLURLRDLRUUDLDULURDDUUDDLRDLUURLDLRLRDLLRUDRDUURDDLDDLURRDDRDRURULURRLRLDURLRRUUUDDUUDRDRULRDLURLDDDRURUDRULDURUUUUDULURUDDDDUURULULDRURRDRDURUUURURLLDRDLDLRDDULDRLLDUDUDDLRLLRLRUUDLUDDULRLDLLRLUUDLLLUUDULRDULDLRRLDDDDUDDRRRDDRDDUDRLLLDLLDLLRDLDRDLUDRRRLDDRLUDLRLDRUURUDURDLRDDULRLDUUUDRLLDRLDLLDLDRRRLLULLUDDDLRUDULDDDLDRRLLRDDLDUULRDLRRLRLLRUUULLRDUDLRURRRUULLULLLRRURLRDULLLRLDUUUDDRLRLUURRLUUUDURLRDURRDUDDUDDRDDRUD"#,
[INFO] [stderr] 11 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INDEX`
[INFO] [stderr]   --> src/day02/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const INDEX: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEYPAD`
[INFO] [stderr]   --> src/day02/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / const KEYPAD: [[char; 5]; 5] = [
[INFO] [stderr] 16 | |     [' ', ' ', '1', ' ', ' '],
[INFO] [stderr] 17 | |     [' ', '2', '3', '4', ' '],
[INFO] [stderr] 18 | |     ['5', '6', '7', '8', '9'],
[INFO] [stderr] 19 | |     [' ', 'A', 'B', 'C', ' '],
[INFO] [stderr] 20 | |     [' ', ' ', 'D', ' ', ' '],
[INFO] [stderr] 21 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day02/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_button_part2`
[INFO] [stderr]   --> src/day02/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_button_part2(pos: &mut (usize, usize), line: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day02/mod.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for line in INPUT[INDEX].split("\n") {
[INFO] [stderr]    |                                    ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]  --> src/day03/mod.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let numbers = line.split(" ")
[INFO] [stderr]   |                              ^^^ help: try using a char instead: `' '`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[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/day03/mod.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn count_three_lines(lines: &Vec<&str>) -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: change this to: `&[&str]`
[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: the variable `i` is used as a loop counter. Consider using `for (i, item) in lines.enumerate()` or similar iterators
[INFO] [stderr]   --> src/day03/mod.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |         for line in lines {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]  --> src/day01/mod.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const INPUT: &'static str = "R2, L3, R2, R4, L2, L1, R2, R4, R1, L4, L5, R5, R5, R2, R2, R1, L2, L3, L2, L1, R3, L5, R187, R1, R4, L1, R5, L3, L4, R50, L4, R2, R70, L3, L2, R4, R3, R194, L3, L4, L4, L3, L4, R4, R5, L1, L5, L4, R1, L2, R4, L5, L3, R4, L5, L5, R5, R3, R5, L2, L4, R4, L1, R3, R1, L1, L2, R2, R2, L3, R3, R2, R5, R2, R5, L3, R2, L5, R1, R2, R2, L4, L5, L1, L4, R4, R3, R1, R2, L1, L2, R4, R5, L2, R3, L4, L5, L5, L4, R4, L2, R1, R1, L2, L3, L2, R2, L4, R3, R2, L1, L3, L2, L4, L4, R2, L3, L3, R2, L4, L3, R4, R3, L2, L1, L4, R4, R2, L4, L4, L5, L1, R2, L5, L2, L3, R2, L2";
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/day01/mod.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum Direction { L, R }
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Step`
[INFO] [stderr]   --> src/day01/mod.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct Step {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `CompassPoint`
[INFO] [stderr]   --> src/day01/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | enum CompassPoint { N, E, S, W }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]   --> src/day01/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Position  {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day01/mod.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `apply_to_position`
[INFO] [stderr]   --> src/day01/mod.rs:39:1
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn apply_to_position(position: &mut Position, step: &Step) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_step`
[INFO] [stderr]   --> src/day01/mod.rs:63:1
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn parse_step(step_str: &str) -> Option<Step> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INPUT`
[INFO] [stderr]   --> src/day02/mod.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / const INPUT: &'static [&'static str] = &[
[INFO] [stderr] 2  | | r#"ULL
[INFO] [stderr] 3  | | RRDDD
[INFO] [stderr] 4  | | LURDL
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |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
[INFO] [stderr] 11 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `INDEX`
[INFO] [stderr]   --> src/day02/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const INDEX: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `KEYPAD`
[INFO] [stderr]   --> src/day02/mod.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | / const KEYPAD: [[char; 5]; 5] = [
[INFO] [stderr] 16 | |     [' ', ' ', '1', ' ', ' '],
[INFO] [stderr] 17 | |     [' ', '2', '3', '4', ' '],
[INFO] [stderr] 18 | |     ['5', '6', '7', '8', '9'],
[INFO] [stderr] 19 | |     [' ', 'A', 'B', 'C', ' '],
[INFO] [stderr] 20 | |     [' ', ' ', 'D', ' ', ' '],
[INFO] [stderr] 21 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]   --> src/day02/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn main() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_next_button_part2`
[INFO] [stderr]   --> src/day02/mod.rs:32:1
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_next_button_part2(pos: &mut (usize, usize), line: &str) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]   --> src/day02/mod.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 |     for line in INPUT[INDEX].split("\n") {
[INFO] [stderr]    |                                    ^^^^ help: try using a char instead: `'\n'`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]  --> src/day03/mod.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let numbers = line.split(" ")
[INFO] [stderr]   |                              ^^^ help: try using a char instead: `' '`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[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/day03/mod.rs:74:33
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn count_three_lines(lines: &Vec<&str>) -> Result<u32, Box<Error>> {
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: change this to: `&[&str]`
[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: the variable `i` is used as a loop counter. Consider using `for (i, item) in lines.enumerate()` or similar iterators
[INFO] [stderr]   --> src/day03/mod.rs:77:21
[INFO] [stderr]    |
[INFO] [stderr] 77 |         for line in lines {
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::explicit_counter_loop)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "c1b395f276ee57ebfd7c9c21a29754d16e994b6acb8e27236d50ef5e451d7635"`
[INFO] running `"docker" "rm" "-f" "c1b395f276ee57ebfd7c9c21a29754d16e994b6acb8e27236d50ef5e451d7635"`
[INFO] [stdout] c1b395f276ee57ebfd7c9c21a29754d16e994b6acb8e27236d50ef5e451d7635