[INFO] updating cached repository troiganto/aoc-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/troiganto/aoc-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/troiganto/aoc-2018" "work/ex/clippy-test-run/sources/stable/gh/troiganto/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/troiganto/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/troiganto/aoc-2018" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/troiganto/aoc-2018"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/troiganto/aoc-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4fcd8e5b456b1220e6f382479be244875d14dc92
[INFO] sha for GitHub repo troiganto/aoc-2018: 4fcd8e5b456b1220e6f382479be244875d14dc92
[INFO] validating manifest of troiganto/aoc-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 troiganto/aoc-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 troiganto/aoc-2018
[INFO] finished frobbing troiganto/aoc-2018
[INFO] frobbed toml for troiganto/aoc-2018 written to work/ex/clippy-test-run/sources/stable/gh/troiganto/aoc-2018/Cargo.toml
[INFO] started frobbing troiganto/aoc-2018
[INFO] finished frobbing troiganto/aoc-2018
[INFO] frobbed toml for troiganto/aoc-2018 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/troiganto/aoc-2018/Cargo.toml
[INFO] crate troiganto/aoc-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 troiganto/aoc-2018 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-4/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/troiganto/aoc-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] a45a737d2de50ba08d45c8e4e3a66cf7fbee27abb411b9f3677706f376a589e7
[INFO] running `"docker" "start" "-a" "a45a737d2de50ba08d45c8e4e3a66cf7fbee27abb411b9f3677706f376a589e7"`
[INFO] [stderr]     Checking intrusive-collections v0.7.8
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking aoc-2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task5.rs:110:26
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let pos = s.find(",").ok_or(NotARectangle)?;
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `','`
[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/bin/task5.rs:114:26
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let pos = s.find("x").ok_or(NotARectangle)?;
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `'x'`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task29.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn is_team(&self, team: Team) -> bool {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bin/task29.rs:110:18
[INFO] [stderr]     |
[INFO] [stderr] 110 |     fn neighbors(&self) -> Neighbors {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[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: casting u8 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task29.rs:281:51
[INFO] [stderr]     |
[INFO] [stderr] 281 |         self.units.values().map(|Unit { hp, .. }| *hp as u64).sum()
[INFO] [stderr]     |                                                   ^^^^^^^^^^ help: try: `u64::from(*hp)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task7.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.hour as u16 * 60 + self.minute as u16
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: try: `u16::from(self.hour)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task7.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.hour as u16 * 60 + self.minute as u16
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.minute)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task7.rs:209:37
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 .map(|(begin, end)| end.minutes_since(begin).unwrap() as u32)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(end.minutes_since(begin).unwrap())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task7.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.hour as u16 * 60 + self.minute as u16
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: try: `u16::from(self.hour)`
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task7.rs:221:42
[INFO] [stderr]     |
[INFO] [stderr] 221 |     println!("strategy 1: {}", guard.0 * minute as u32);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: try: `u32::from(minute)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task7.rs:21:33
[INFO] [stderr]    |
[INFO] [stderr] 21 |         self.hour as u16 * 60 + self.minute as u16
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^ help: try: `u16::from(self.minute)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task7.rs:209:37
[INFO] [stderr]     |
[INFO] [stderr] 209 |                 .map(|(begin, end)| end.minutes_since(begin).unwrap() as u32)
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(end.minutes_since(begin).unwrap())`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task7.rs:221:42
[INFO] [stderr]     |
[INFO] [stderr] 221 |     println!("strategy 1: {}", guard.0 * minute as u32);
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: try: `u32::from(minute)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/bin/task31.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let d = parts.next().ok_or(Error::BadRegs)?.parse()?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let split = s.find("=").ok_or(ParsePointError::NoPosition)?;
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `'='`
[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/bin/task19.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:112:44
[INFO] [stderr]     |
[INFO] [stderr] 112 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut s = s.splitn(2, ",");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let split = s.find("=").ok_or(ParsePointError::NoVelocity)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:131:24
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let mut s = s.splitn(2, ",");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:145:28
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let split = s.find(">").ok_or(ParsePointError::NoPosition)?;
[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: Variant name ends with the enum's name
[INFO] [stderr]   --> src/bin/task31.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ParseIntError(ParseIntError),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bin/task25.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn turn(&self, dir: Direction, turn: Turn) -> (Direction, Turn) {
[INFO] [stderr]     |                 ^^^^^ help: consider passing by value instead: `self`
[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: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |         self[c] = self[a] + b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |         self[c] = self[a] * b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:150:29
[INFO] [stderr]     |
[INFO] [stderr] 150 |         self[c] = self[a] & b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |         self[c] = self[a] | b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:170:19
[INFO] [stderr]     |
[INFO] [stderr] 170 |         self[c] = a as u16;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |         self[c] = (a as u16 > self[b]) as u16;
[INFO] [stderr]     |                    ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:180:30
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self[c] = (self[a] > b as u16) as u16;
[INFO] [stderr]     |                              ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |         self[c] = (a as u16 == self[b]) as u16;
[INFO] [stderr]     |                    ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:195:31
[INFO] [stderr]     |
[INFO] [stderr] 195 |         self[c] = (self[a] == b as u16) as u16;
[INFO] [stderr]     |                               ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task31.rs:230:23
[INFO] [stderr]     |
[INFO] [stderr] 230 |         s.starts_with("[").ok_or(Error::BadRegs)?;
[INFO] [stderr]     |                       ^^^ help: try using a char instead: `'['`
[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/bin/task31.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |         s.ends_with("]").ok_or(Error::BadRegs)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:109:28
[INFO] [stderr]     |
[INFO] [stderr] 109 |         let split = s.find("=").ok_or(ParsePointError::NoPosition)?;
[INFO] [stderr]     |                            ^^^ help: try using a char instead: `'='`
[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/bin/task19.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:112:44
[INFO] [stderr]     |
[INFO] [stderr] 112 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:114:33
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mut s = s.splitn(2, ",");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let split = s.find("=").ok_or(ParsePointError::NoVelocity)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:131:24
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:131:44
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (s.starts_with("<") && s.ends_with(">")).ok_or(ParsePointError::NoParens)?;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:133:33
[INFO] [stderr]     |
[INFO] [stderr] 133 |         let mut s = s.splitn(2, ",");
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task19.rs:145:28
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let split = s.find(">").ok_or(ParsePointError::NoPosition)?;
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task11.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn distance(&self, other: Self) -> i32 {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task11.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn is_on_edge(&self, board: &Board) -> bool {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/bin/task11.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut coords = s.splitn(2, ",");
[INFO] [stderr]    |                                      ^^^ help: try using a char instead: `','`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task13.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         (self.0 - b'A' + 1) as u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.0 - b'A' + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/bin/task17.rs:147:19
[INFO] [stderr]     |
[INFO] [stderr] 147 |             Score(146373)
[INFO] [stderr]     |                   ^^^^^^ help: consider: `146_373`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task11.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn distance(&self, other: Self) -> i32 {
[INFO] [stderr]    |                 ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task11.rs:21:19
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn is_on_edge(&self, board: &Board) -> bool {
[INFO] [stderr]    |                   ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[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: single-character string constant used as pattern
[INFO] [stderr]   --> src/bin/task11.rs:53:38
[INFO] [stderr]    |
[INFO] [stderr] 53 |         let mut coords = s.splitn(2, ",");
[INFO] [stderr]    |                                      ^^^ help: try using a char instead: `','`
[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: casting u8 to u32 may become silently lossy if types change
[INFO] [stderr]   --> src/bin/task13.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |         (self.0 - b'A' + 1) as u32
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::from(self.0 - b'A' + 1)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/bin/task9.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |         .map(|(l, r)| l..r + 1)
[INFO] [stderr]    |                       ^^^^^^^^ help: use: `l..=r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: 5th binding whose name is just one char
[INFO] [stderr]    --> src/bin/task31.rs:236:13
[INFO] [stderr]     |
[INFO] [stderr] 236 |         let d = parts.next().ok_or(Error::BadRegs)?.parse()?;
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task23.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_filled(&self) -> bool {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task23.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn as_char(&self) -> char {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task23.rs:19:18
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn is_filled(&self) -> bool {
[INFO] [stderr]    |                  ^^^^^ help: consider passing by value instead: `self`
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> src/bin/task23.rs:23:16
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn as_char(&self) -> char {
[INFO] [stderr]    |                ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[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: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/bin/task25.rs:144:17
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn turn(&self, dir: Direction, turn: Turn) -> (Direction, Turn) {
[INFO] [stderr]     |                 ^^^^^ help: consider passing by value instead: `self`
[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: Variant name ends with the enum's name
[INFO] [stderr]   --> src/bin/task31.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     ParseIntError(ParseIntError),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]   --> src/bin/task9.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |         .map(|(l, r)| l..r + 1)
[INFO] [stderr]    |                       ^^^^^^^^ help: use: `l..=r`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task5.rs:110:26
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let pos = s.find(",").ok_or(NotARectangle)?;
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `','`
[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/bin/task5.rs:114:26
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let pos = s.find("x").ok_or(NotARectangle)?;
[INFO] [stderr]     |                          ^^^ help: try using a char instead: `'x'`
[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] error[E0599]: no function or associated item named `new` found for type `Unit` in the current scope
[INFO] [stderr]    --> src/bin/task29.rs:590:32
[INFO] [stderr]     |
[INFO] [stderr] 167 | struct Unit {
[INFO] [stderr]     | ----------- function or associated item `new` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 590 |                 let mut unit = Unit::new(team);
[INFO] [stderr]     |                                ^^^^^^^^^ function or associated item not found in `Unit`
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:130:29
[INFO] [stderr]     |
[INFO] [stderr] 130 |         self[c] = self[a] + b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |         self[c] = self[a] * b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:150:29
[INFO] [stderr]     |
[INFO] [stderr] 150 |         self[c] = self[a] & b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:160:29
[INFO] [stderr]     |
[INFO] [stderr] 160 |         self[c] = self[a] | b as u16;
[INFO] [stderr]     |                             ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:170:19
[INFO] [stderr]     |
[INFO] [stderr] 170 |         self[c] = a as u16;
[INFO] [stderr]     |                   ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |         self[c] = (a as u16 > self[b]) as u16;
[INFO] [stderr]     |                    ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:180:30
[INFO] [stderr]     |
[INFO] [stderr] 180 |         self[c] = (self[a] > b as u16) as u16;
[INFO] [stderr]     |                              ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:190:20
[INFO] [stderr]     |
[INFO] [stderr] 190 |         self[c] = (a as u16 == self[b]) as u16;
[INFO] [stderr]     |                    ^^^^^^^^ help: try: `u16::from(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to u16 may become silently lossy if types change
[INFO] [stderr]    --> src/bin/task31.rs:195:31
[INFO] [stderr]     |
[INFO] [stderr] 195 |         self[c] = (self[a] == b as u16) as u16;
[INFO] [stderr]     |                               ^^^^^^^^ help: try: `u16::from(b)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/bin/task31.rs:230:23
[INFO] [stderr]     |
[INFO] [stderr] 230 |         s.starts_with("[").ok_or(Error::BadRegs)?;
[INFO] [stderr]     |                       ^^^ help: try using a char instead: `'['`
[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/bin/task31.rs:231:21
[INFO] [stderr]     |
[INFO] [stderr] 231 |         s.ends_with("]").ok_or(Error::BadRegs)?;
[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] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `aoc-2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a45a737d2de50ba08d45c8e4e3a66cf7fbee27abb411b9f3677706f376a589e7"`
[INFO] running `"docker" "rm" "-f" "a45a737d2de50ba08d45c8e4e3a66cf7fbee27abb411b9f3677706f376a589e7"`
[INFO] [stdout] a45a737d2de50ba08d45c8e4e3a66cf7fbee27abb411b9f3677706f376a589e7