[INFO] cloning repository https://github.com/mfrdbigolin/AoC2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfrdbigolin/AoC2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrdbigolin%2FAoC2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrdbigolin%2FAoC2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3227e1a4643fcb392df5488261a11afb4f757441
[INFO] linting mfrdbigolin/AoC2023 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfrdbigolin%2FAoC2023" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mfrdbigolin/AoC2023
[INFO] finished tweaking git repo https://github.com/mfrdbigolin/AoC2023
[INFO] tweaked toml for git repo https://github.com/mfrdbigolin/AoC2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mfrdbigolin/AoC2023 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mfrdbigolin/AoC2023 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded automod v1.0.13
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a312ab6f14e8f2118cf91e647b6827e83faae7eb61e2941de2e35e094b02489
[INFO] running `Command { std: "docker" "start" "-a" "1a312ab6f14e8f2118cf91e647b6827e83faae7eb61e2941de2e35e094b02489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a312ab6f14e8f2118cf91e647b6827e83faae7eb61e2941de2e35e094b02489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a312ab6f14e8f2118cf91e647b6827e83faae7eb61e2941de2e35e094b02489", kill_on_drop: false }`
[INFO] [stdout] 1a312ab6f14e8f2118cf91e647b6827e83faae7eb61e2941de2e35e094b02489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 206173d8b9d7dec77bcef11beefe60b9145d7a56628e697c5bb64aa028ca87bc
[INFO] running `Command { std: "docker" "start" "-a" "206173d8b9d7dec77bcef11beefe60b9145d7a56628e697c5bb64aa028ca87bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling automod v1.0.13
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day01.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut digit_matches = s.matches(|ch: char| ch.is_digit(10));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]    = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day01.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut digit_matches = s.matches(|ch: char| ch.is_digit(10));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]  --> src/days/day02.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve1(games: &Vec<Game>, bag: (u32, u32, u32)) -> usize {
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]   = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 8 - fn solve1(games: &Vec<Game>, bag: (u32, u32, u32)) -> usize {
[INFO] [stdout] 8 + fn solve1(games: &[Game], bag: (u32, u32, u32)) -> usize {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day03.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn extract_number(line: &mut Vec<char>, mut j: usize) -> u32 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 12 - fn extract_number(line: &mut Vec<char>, mut j: usize) -> u32 {
[INFO] [stdout] 12 + fn extract_number(line: &mut [char], mut j: usize) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while line[j].is_digit(10) && j > 0 && line[j - 1].is_digit(10) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: try: `line[j].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while line[j].is_digit(10) && j > 0 && line[j - 1].is_digit(10) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `line[j - 1].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     while j < line.len() && line[j].is_digit(10) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: try: `line[j].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `partial` after checking its variant with `is_none`
[INFO] [stdout]   --> src/days/day03.rs:88:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                         partial = if partial.is_none() {
[INFO] [stdout]    |                                   -------------------- help: try: `if let Some(<item>) = partial`
[INFO] [stdout] ...
[INFO] [stdout] 88 |                             Some(part_number_op(partial.unwrap(), part_number))
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:70:38
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if symbol_pred(*sym) && !sym.is_digit(10) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: try: `sym.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/days/day03.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 | /                         if count != num {
[INFO] [stdout] 97 | |                             partial = None
[INFO] [stdout] 98 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 95 ~                     Some(num)
[INFO] [stdout] 96 ~                         if count != num => {
[INFO] [stdout] 97 |                             partial = None
[INFO] [stdout] 98 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/days/day03.rs:94:17
[INFO] [stdout]     |
[INFO] [stdout]  94 | /                 match exactly_adjacent_to {
[INFO] [stdout]  95 | |                     Some(num) => {
[INFO] [stdout]  96 | |                         if count != num {
[INFO] [stdout]  97 | |                             partial = None
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                     None => (),
[INFO] [stdout] 101 | |                 };
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  94 ~                 if let Some(num) = exactly_adjacent_to {
[INFO] [stdout]  95 +                     if count != num {
[INFO] [stdout]  96 +                         partial = None
[INFO] [stdout]  97 +                     }
[INFO] [stdout]  98 ~                 };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match can be simplified with `.unwrap_or_default()`
[INFO] [stdout]    --> src/days/day03.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |                   acc += match partial {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 104 | |                     Some(num) => num,
[INFO] [stdout] 105 | |                     None => 0,
[INFO] [stdout] 106 | |                 };
[INFO] [stdout]     | |_________________^ help: replace it with: `partial.unwrap_or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]     = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day04.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn solve2(cards: &Vec<Card>) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn solve2(cards: &Vec<Card>) -> u32 {
[INFO] [stdout] 29 + fn solve2(cards: &[Card]) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> src/days/day06.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |               .trim()
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 33 | |             .split_whitespace()
[INFO] [stdout]    | |_____________^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/days/day07.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         .max_by(|a, b| a.1.cmp(&b.1))
[INFO] [stdout]    |                                ^^^^ help: change this to: `b.1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/days/day07.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn solve(plays: &Vec<(Hand, u32)>) -> u32 {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 151 - fn solve(plays: &Vec<(Hand, u32)>) -> u32 {
[INFO] [stdout] 151 + fn solve(plays: &[(Hand, u32)]) -> u32 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day08.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     instructions: &Vec<Instruction>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 48 -     instructions: &Vec<Instruction>,
[INFO] [stdout] 48 +     instructions: &[Instruction],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/days/day08.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if !node.is_none() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: try: `node.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day08.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     instructions: &Vec<Instruction>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 78 -     instructions: &Vec<Instruction>,
[INFO] [stdout] 78 +     instructions: &[Instruction],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/days/day08.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |         .reduce(|multiple, cnt| integer::lcm(multiple, cnt))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `integer::lcm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]     = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `filter(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(..)` instead
[INFO] [stdout]    --> src/days/day10.rs:104:26
[INFO] [stdout]     |
[INFO] [stdout] 104 |           (cur_dir, cur) = pipe_matrix
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 105 | |             .get_neighbors(cur)
[INFO] [stdout] 106 | |             .iter()
[INFO] [stdout] 107 | |             .copied()
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |             })
[INFO] [stdout] 111 | |             .next()
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stdout]     = note: `#[warn(clippy::filter_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to usize
[INFO] [stdout]    --> src/days/day10.rs:146:6
[INFO] [stdout]     |
[INFO] [stdout] 146 |     (loop_area.abs() as usize) - main_loop.len() / 2 + 1
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^ help: replace with: `loop_area.unsigned_abs()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout]     = note: `#[warn(clippy::cast_abs_to_unsigned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day11.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn solve(points: &Vec<Point>) -> u64 {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn solve(points: &Vec<Point>) -> u64 {
[INFO] [stdout] 10 + fn solve(points: &[Point]) -> u64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i64::abs()` to u64
[INFO] [stdout]   --> src/days/day11.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let dx = (point2.0 as i64 - point1.0 as i64).abs() as u64;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(point2.0 as i64 - point1.0 as i64).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i64::abs()` to u64
[INFO] [stdout]   --> src/days/day11.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let dy = (point2.1 as i64 - point1.1 as i64).abs() as u64;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(point2.1 as i64 - point1.1 as i64).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day12.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 86 ~ fn solve_dp(springs: &[Spring], groups: &Vec<u64>) -> u64 {
[INFO] [stdout] 87 |     // Pad springs.
[INFO] [stdout] 88 |     let springs = vec![
[INFO] [stdout] 89 |         vec![Spring::Operational],
[INFO] [stdout] 90 ~         springs.to_owned(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day12.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 86 - fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout] 86 + fn solve_dp(springs: &Vec<Spring>, groups: &[u64]) -> u64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u64` is unnecessary
[INFO] [stdout]    --> src/days/day12.rs:105:23
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut dp = vec![0 as u64; groups.len() + 1];
[INFO] [stdout]     |                       ^^^^^^^^ help: try: `0_u64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/days/day12.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |         acc += solve_dp(&springs, &groups);
[INFO] [stdout]     |                         ^^^^^^^^ help: change this to: `springs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/days/day12.rs:145:35
[INFO] [stdout]     |
[INFO] [stdout] 145 |         acc += solve_dp(&springs, &groups);
[INFO] [stdout]     |                                   ^^^^^^^ help: change this to: `groups`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day13.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn find_reflection_line(lines: &Vec<Vec<Terrain>>, req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn find_reflection_line(lines: &Vec<Vec<Terrain>>, req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout] 29 + fn find_reflection_line(lines: &[Vec<Terrain>], req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day13.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn solve(landscape_matrices: &Vec<Matrix<Terrain>>, req_num_smudges: usize) -> usize {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn solve(landscape_matrices: &Vec<Matrix<Terrain>>, req_num_smudges: usize) -> usize {
[INFO] [stdout] 50 + fn solve(landscape_matrices: &[Matrix<Terrain>], req_num_smudges: usize) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this manual char comparison can be written more succinctly
[INFO] [stdout]   --> src/days/day15.rs:58:45
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut split_step = step.split(|ch| ch == '-' || ch == '=');
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['-', '=']`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_pattern_char_comparison
[INFO] [stdout]    = note: `#[warn(clippy::manual_pattern_char_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to pop elements from a `Vec` in a loop
[INFO] [stdout]   --> src/days/day16.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (dir, point) = stack.pop().expect("the stack should not be empty");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_while_let_some
[INFO] [stdout]    = note: `#[warn(clippy::manual_while_let_some)]` on by default
[INFO] [stdout] help: consider using a `while..let` loop
[INFO] [stdout]    |
[INFO] [stdout] 72 ~     while let Some((dir, point)) = stack.pop() {
[INFO] [stdout] 73 ~         
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `program_path` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/main.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if program_path.is_ok() {
[INFO] [stdout]    |         ----------------------- help: try: `if let Ok(<item>) = program_path`
[INFO] [stdout] 19 |             let path = program_path.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day01.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let patterns = vec![
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 59 | |         overlapping_patterns,
[INFO] [stdout] 60 | |         vec![
[INFO] [stdout] 61 | |             "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
[INFO] [stdout] 62 | |         ],
[INFO] [stdout] 63 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 58 ~     let patterns = [overlapping_patterns,
[INFO] [stdout] 59 +         vec![
[INFO] [stdout] 60 +             "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
[INFO] [stdout] 61 +         ]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day01.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |       let replacements = vec![
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 69 | |         overlapping_replacements,
[INFO] [stdout] 70 | |         vec!["1", "2", "3", "4", "5", "6", "7", "8", "9"],
[INFO] [stdout] 71 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 68 ~     let replacements = [overlapping_replacements,
[INFO] [stdout] 69 +         vec!["1", "2", "3", "4", "5", "6", "7", "8", "9"]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day12.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |       let springs = vec![
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 89 | |         vec![Spring::Operational],
[INFO] [stdout] 90 | |         springs.clone(),
[INFO] [stdout] 91 | |         vec![Spring::Operational],
[INFO] [stdout] 92 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 88 ~     let springs = [vec![Spring::Operational],
[INFO] [stdout] 89 +         springs.clone(),
[INFO] [stdout] 90 +         vec![Spring::Operational]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day12.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |         .flat_map(|group| vec![group, vec![false]].concat())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[group, vec![false]]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day12.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let groups = vec![vec![false], groups].concat();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[vec![false], groups]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day16.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         vec![south, north, east, west].concat()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[south, north, east, west]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/days/day16.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
[INFO] [stdout]    |                       --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 13 |     reflect: fn(Direction) -> Vec<Direction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day01.rs:19:50
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let mut digit_matches = s.matches(|ch: char| ch.is_digit(10));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout]    = note: `#[warn(clippy::is_digit_ascii_radix)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day01.rs:29:50
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut digit_matches = s.matches(|ch: char| ch.is_digit(10));
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ help: try: `ch.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]  --> src/days/day02.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve1(games: &Vec<Game>, bag: (u32, u32, u32)) -> usize {
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]   = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]   |
[INFO] [stdout] 8 - fn solve1(games: &Vec<Game>, bag: (u32, u32, u32)) -> usize {
[INFO] [stdout] 8 + fn solve1(games: &[Game], bag: (u32, u32, u32)) -> usize {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day03.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn extract_number(line: &mut Vec<char>, mut j: usize) -> u32 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 12 - fn extract_number(line: &mut Vec<char>, mut j: usize) -> u32 {
[INFO] [stdout] 12 + fn extract_number(line: &mut [char], mut j: usize) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while line[j].is_digit(10) && j > 0 && line[j - 1].is_digit(10) {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^ help: try: `line[j].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:14:44
[INFO] [stdout]    |
[INFO] [stdout] 14 |     while line[j].is_digit(10) && j > 0 && line[j - 1].is_digit(10) {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `line[j - 1].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:20:29
[INFO] [stdout]    |
[INFO] [stdout] 20 |     while j < line.len() && line[j].is_digit(10) {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^ help: try: `line[j].is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `partial` after checking its variant with `is_none`
[INFO] [stdout]   --> src/days/day03.rs:88:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                         partial = if partial.is_none() {
[INFO] [stdout]    |                                   -------------------- help: try: `if let Some(<item>) = partial`
[INFO] [stdout] ...
[INFO] [stdout] 88 |                             Some(part_number_op(partial.unwrap(), part_number))
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_unwrap)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/days/day03.rs:70:38
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if symbol_pred(*sym) && !sym.is_digit(10) {
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^ help: try: `sym.is_ascii_digit()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#is_digit_ascii_radix
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/days/day03.rs:96:25
[INFO] [stdout]    |
[INFO] [stdout] 96 | /                         if count != num {
[INFO] [stdout] 97 | |                             partial = None
[INFO] [stdout] 98 | |                         }
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 95 ~                     Some(num)
[INFO] [stdout] 96 ~                         if count != num => {
[INFO] [stdout] 97 |                             partial = None
[INFO] [stdout] 98 ~                         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/days/day03.rs:94:17
[INFO] [stdout]     |
[INFO] [stdout]  94 | /                 match exactly_adjacent_to {
[INFO] [stdout]  95 | |                     Some(num) => {
[INFO] [stdout]  96 | |                         if count != num {
[INFO] [stdout]  97 | |                             partial = None
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                     None => (),
[INFO] [stdout] 101 | |                 };
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout]  94 ~                 if let Some(num) = exactly_adjacent_to {
[INFO] [stdout]  95 +                     if count != num {
[INFO] [stdout]  96 +                         partial = None
[INFO] [stdout]  97 +                     }
[INFO] [stdout]  98 ~                 };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match can be simplified with `.unwrap_or_default()`
[INFO] [stdout]    --> src/days/day03.rs:103:24
[INFO] [stdout]     |
[INFO] [stdout] 103 |                   acc += match partial {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 104 | |                     Some(num) => num,
[INFO] [stdout] 105 | |                     None => 0,
[INFO] [stdout] 106 | |                 };
[INFO] [stdout]     | |_________________^ help: replace it with: `partial.unwrap_or_default()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_unwrap_or_default
[INFO] [stdout]     = note: `#[warn(clippy::manual_unwrap_or_default)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day04.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn solve2(cards: &Vec<Card>) -> u32 {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn solve2(cards: &Vec<Card>) -> u32 {
[INFO] [stdout] 29 + fn solve2(cards: &[Card]) -> u32 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found call to `str::trim` before `str::split_whitespace`
[INFO] [stdout]   --> src/days/day06.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |               .trim()
[INFO] [stdout]    |  ______________^
[INFO] [stdout] 33 | |             .split_whitespace()
[INFO] [stdout]    | |_____________^ help: remove `trim()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trim_split_whitespace
[INFO] [stdout]    = note: `#[warn(clippy::trim_split_whitespace)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/days/day07.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |         .max_by(|a, b| a.1.cmp(&b.1))
[INFO] [stdout]    |                                ^^^^ help: change this to: `b.1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]    = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/days/day07.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn solve(plays: &Vec<(Hand, u32)>) -> u32 {
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 151 - fn solve(plays: &Vec<(Hand, u32)>) -> u32 {
[INFO] [stdout] 151 + fn solve(plays: &[(Hand, u32)]) -> u32 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day08.rs:48:19
[INFO] [stdout]    |
[INFO] [stdout] 48 |     instructions: &Vec<Instruction>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 48 -     instructions: &Vec<Instruction>,
[INFO] [stdout] 48 +     instructions: &[Instruction],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/days/day08.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if !node.is_none() {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: try: `node.is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day08.rs:78:19
[INFO] [stdout]    |
[INFO] [stdout] 78 |     instructions: &Vec<Instruction>,
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 78 -     instructions: &Vec<Instruction>,
[INFO] [stdout] 78 +     instructions: &[Instruction],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant closure
[INFO] [stdout]    --> src/days/day08.rs:121:17
[INFO] [stdout]     |
[INFO] [stdout] 121 |         .reduce(|multiple, cnt| integer::lcm(multiple, cnt))
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace the closure with the function itself: `integer::lcm`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure
[INFO] [stdout]     = note: `#[warn(clippy::redundant_closure)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `filter(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find(..)` instead
[INFO] [stdout]    --> src/days/day10.rs:104:26
[INFO] [stdout]     |
[INFO] [stdout] 104 |           (cur_dir, cur) = pipe_matrix
[INFO] [stdout]     |  __________________________^
[INFO] [stdout] 105 | |             .get_neighbors(cur)
[INFO] [stdout] 106 | |             .iter()
[INFO] [stdout] 107 | |             .copied()
[INFO] [stdout] ...   |
[INFO] [stdout] 110 | |             })
[INFO] [stdout] 111 | |             .next()
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#filter_next
[INFO] [stdout]     = note: `#[warn(clippy::filter_next)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i32::abs()` to usize
[INFO] [stdout]    --> src/days/day10.rs:146:6
[INFO] [stdout]     |
[INFO] [stdout] 146 |     (loop_area.abs() as usize) - main_loop.len() / 2 + 1
[INFO] [stdout]     |      ^^^^^^^^^^^^^^^ help: replace with: `loop_area.unsigned_abs()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout]     = note: `#[warn(clippy::cast_abs_to_unsigned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day11.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn solve(points: &Vec<Point>) -> u64 {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 10 - fn solve(points: &Vec<Point>) -> u64 {
[INFO] [stdout] 10 + fn solve(points: &[Point]) -> u64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i64::abs()` to u64
[INFO] [stdout]   --> src/days/day11.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |             let dx = (point2.0 as i64 - point1.0 as i64).abs() as u64;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(point2.0 as i64 - point1.0 as i64).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting the result of `i64::abs()` to u64
[INFO] [stdout]   --> src/days/day11.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             let dy = (point2.1 as i64 - point1.1 as i64).abs() as u64;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(point2.1 as i64 - point1.1 as i64).unsigned_abs()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_abs_to_unsigned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day12.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout]    |                      ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 86 ~ fn solve_dp(springs: &[Spring], groups: &Vec<u64>) -> u64 {
[INFO] [stdout] 87 |     // Pad springs.
[INFO] [stdout] 88 |     let springs = vec![
[INFO] [stdout] 89 |         vec![Spring::Operational],
[INFO] [stdout] 90 ~         springs.to_owned(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day12.rs:86:44
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 86 - fn solve_dp(springs: &Vec<Spring>, groups: &Vec<u64>) -> u64 {
[INFO] [stdout] 86 + fn solve_dp(springs: &Vec<Spring>, groups: &[u64]) -> u64 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u64` is unnecessary
[INFO] [stdout]    --> src/days/day12.rs:105:23
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut dp = vec![0 as u64; groups.len() + 1];
[INFO] [stdout]     |                       ^^^^^^^^ help: try: `0_u64`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/days/day12.rs:145:25
[INFO] [stdout]     |
[INFO] [stdout] 145 |         acc += solve_dp(&springs, &groups);
[INFO] [stdout]     |                         ^^^^^^^^ help: change this to: `springs`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/days/day12.rs:145:35
[INFO] [stdout]     |
[INFO] [stdout] 145 |         acc += solve_dp(&springs, &groups);
[INFO] [stdout]     |                                   ^^^^^^^ help: change this to: `groups`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day13.rs:29:32
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn find_reflection_line(lines: &Vec<Vec<Terrain>>, req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 29 - fn find_reflection_line(lines: &Vec<Vec<Terrain>>, req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout] 29 + fn find_reflection_line(lines: &[Vec<Terrain>], req_num_smudges: usize) -> Option<usize> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/days/day13.rs:50:30
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn solve(landscape_matrices: &Vec<Matrix<Terrain>>, req_num_smudges: usize) -> usize {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 50 - fn solve(landscape_matrices: &Vec<Matrix<Terrain>>, req_num_smudges: usize) -> usize {
[INFO] [stdout] 50 + fn solve(landscape_matrices: &[Matrix<Terrain>], req_num_smudges: usize) -> usize {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this manual char comparison can be written more succinctly
[INFO] [stdout]   --> src/days/day15.rs:58:45
[INFO] [stdout]    |
[INFO] [stdout] 58 |             let mut split_step = step.split(|ch| ch == '-' || ch == '=');
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using an array of `char`: `['-', '=']`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_pattern_char_comparison
[INFO] [stdout]    = note: `#[warn(clippy::manual_pattern_char_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to pop elements from a `Vec` in a loop
[INFO] [stdout]   --> src/days/day16.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let (dir, point) = stack.pop().expect("the stack should not be empty");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_while_let_some
[INFO] [stdout]    = note: `#[warn(clippy::manual_while_let_some)]` on by default
[INFO] [stdout] help: consider using a `while..let` loop
[INFO] [stdout]    |
[INFO] [stdout] 72 ~     while let Some((dir, point)) = stack.pop() {
[INFO] [stdout] 73 ~         
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `unwrap` on `program_path` after checking its variant with `is_ok`
[INFO] [stdout]   --> src/main.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |         if program_path.is_ok() {
[INFO] [stdout]    |         ----------------------- help: try: `if let Ok(<item>) = program_path`
[INFO] [stdout] 19 |             let path = program_path.unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day01.rs:58:20
[INFO] [stdout]    |
[INFO] [stdout] 58 |       let patterns = vec![
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 59 | |         overlapping_patterns,
[INFO] [stdout] 60 | |         vec![
[INFO] [stdout] 61 | |             "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
[INFO] [stdout] 62 | |         ],
[INFO] [stdout] 63 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout]    = note: `#[warn(clippy::useless_vec)]` on by default
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 58 ~     let patterns = [overlapping_patterns,
[INFO] [stdout] 59 +         vec![
[INFO] [stdout] 60 +             "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
[INFO] [stdout] 61 +         ]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day01.rs:68:24
[INFO] [stdout]    |
[INFO] [stdout] 68 |       let replacements = vec![
[INFO] [stdout]    |  ________________________^
[INFO] [stdout] 69 | |         overlapping_replacements,
[INFO] [stdout] 70 | |         vec!["1", "2", "3", "4", "5", "6", "7", "8", "9"],
[INFO] [stdout] 71 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 68 ~     let replacements = [overlapping_replacements,
[INFO] [stdout] 69 +         vec!["1", "2", "3", "4", "5", "6", "7", "8", "9"]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]   --> src/days/day12.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |       let springs = vec![
[INFO] [stdout]    |  ___________________^
[INFO] [stdout] 89 | |         vec![Spring::Operational],
[INFO] [stdout] 90 | |         springs.clone(),
[INFO] [stdout] 91 | |         vec![Spring::Operational],
[INFO] [stdout] 92 | |     ]
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] help: you can use an array directly
[INFO] [stdout]    |
[INFO] [stdout] 88 ~     let springs = [vec![Spring::Operational],
[INFO] [stdout] 89 +         springs.clone(),
[INFO] [stdout] 90 +         vec![Spring::Operational]]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day12.rs:100:27
[INFO] [stdout]     |
[INFO] [stdout] 100 |         .flat_map(|group| vec![group, vec![false]].concat())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[group, vec![false]]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day12.rs:103:18
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let groups = vec![vec![false], groups].concat();
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[vec![false], groups]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `vec!`
[INFO] [stdout]    --> src/days/day16.rs:120:9
[INFO] [stdout]     |
[INFO] [stdout] 120 |         vec![south, north, east, west].concat()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: you can use an array directly: `[south, north, east, west]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_vec
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/days/day16.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
[INFO] [stdout]    |                       --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 13 |     reflect: fn(Direction) -> Vec<Direction>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s
[INFO] running `Command { std: "docker" "inspect" "206173d8b9d7dec77bcef11beefe60b9145d7a56628e697c5bb64aa028ca87bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "206173d8b9d7dec77bcef11beefe60b9145d7a56628e697c5bb64aa028ca87bc", kill_on_drop: false }`
[INFO] [stdout] 206173d8b9d7dec77bcef11beefe60b9145d7a56628e697c5bb64aa028ca87bc