[INFO] cloning repository https://github.com/mnaphade18/aoc-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mnaphade18/aoc-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnaphade18%2Faoc-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnaphade18%2Faoc-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c86256813f693a9c60d2ed21155fef5da6bd476
[INFO] linting mnaphade18/aoc-2023 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmnaphade18%2Faoc-2023" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mnaphade18/aoc-2023
[INFO] finished tweaking git repo https://github.com/mnaphade18/aoc-2023
[INFO] tweaked toml for git repo https://github.com/mnaphade18/aoc-2023 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mnaphade18/aoc-2023 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/mnaphade18/aoc-2023 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fc843332c6d470cfae66f9caacd4208a59eb2aa59d4faf3bfc0b2a9aa23b696c
[INFO] running `Command { std: "docker" "start" "-a" "fc843332c6d470cfae66f9caacd4208a59eb2aa59d4faf3bfc0b2a9aa23b696c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc843332c6d470cfae66f9caacd4208a59eb2aa59d4faf3bfc0b2a9aa23b696c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc843332c6d470cfae66f9caacd4208a59eb2aa59d4faf3bfc0b2a9aa23b696c", kill_on_drop: false }`
[INFO] [stdout] fc843332c6d470cfae66f9caacd4208a59eb2aa59d4faf3bfc0b2a9aa23b696c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 53348b347b2b37d920818b1916c90cdba06f4b32e62add05828b869bd782e119
[INFO] running `Command { std: "docker" "start" "-a" "53348b347b2b37d920818b1916c90cdba06f4b32e62add05828b869bd782e119", kill_on_drop: false }`
[INFO] [stderr]     Checking aoc-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/day8.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |           todo!("implete this part ");
[INFO] [stdout]     |           --------------------------- any code following this expression is unreachable
[INFO] [stdout] 118 | /         k.iter().fold(0, |acc, v| {
[INFO] [stdout] 119 | |             if v.chars().rev().next().unwrap() == 'Z' {
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         });
[INFO] [stdout]     | |___________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut distance_line = iter.next().unwrap().split(' ').filter(|x| *x != empty_string).skip(1);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut result = 1;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `keys` is never read
[INFO] [stdout]    --> src/day8.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         keys = k;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total` is never read
[INFO] [stdout]    --> src/day8.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         total = total + t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `done` is never read
[INFO] [stdout]    --> src/day8.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         done = d;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `depth` is assigned to, but never used
[INFO] [stdout]   --> src/day9.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut depth = 2;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_depth` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `depth` is never read
[INFO] [stdout]   --> src/day9.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             depth += 1;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `depth` is assigned to, but never used
[INFO] [stdout]   --> src/day9.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut depth = 2;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_depth` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `depth` is never read
[INFO] [stdout]   --> src/day9.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             depth += 1;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/day8.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |           todo!("implete this part ");
[INFO] [stdout]     |           --------------------------- any code following this expression is unreachable
[INFO] [stdout] 118 | /         k.iter().fold(0, |acc, v| {
[INFO] [stdout] 119 | |             if v.chars().rev().next().unwrap() == 'Z' {
[INFO] [stdout] ...   |
[INFO] [stdout] 123 | |         });
[INFO] [stdout]     | |___________^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/day10.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let x = self.curr.0 - 1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/day10.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let y = self.curr.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev` is assigned to, but never used
[INFO] [stdout]    --> src/day10.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut prev = None;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev` is never read
[INFO] [stdout]    --> src/day10.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   prev = p.sides.iter().find(|s| s != &&Side::Right);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day11.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut space: Space = ip.lines().map(|l| l.chars().collect()).collect();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tower`
[INFO] [stdout]   --> src/day22.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let tower = Brick::from_str(input);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tower`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day1.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse_line(line: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT2T` is never used
[INFO] [stdout]    --> src/day1.rs:108:7
[INFO] [stdout]     |
[INFO] [stdout] 108 | const INPUT2T: &str = "two1nine
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day1.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | const INPUT: &str = "1abc2
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Balls` is never constructed
[INFO] [stdout]  --> src/day2.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Balls {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day2.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse_line(line: &str) -> (usize, bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line2` is never used
[INFO] [stdout]   --> src/day2.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_line2(line: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_game` is never used
[INFO] [stdout]   --> src/day2.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn parse_game(game: &str) -> Balls {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT1T` is never used
[INFO] [stdout]   --> src/day2.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | const INPUT1T: &str = "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT1` is never used
[INFO] [stdout]   --> src/day2.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | const INPUT1: &str = "Game 1: 1 green, 2 blue; 13 red, 2 blue, 3 green; 4 green, 14 red
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumLine` is never constructed
[INFO] [stdout]  --> src/day3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct NumLine {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day3.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_line(line: &str) -> (Vec<NumLine>, Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num_line` is never used
[INFO] [stdout]   --> src/day3.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_num_line(num_str: String, end: usize) -> NumLine {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_part_numbers` is never used
[INFO] [stdout]   --> src/day3.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_part_numbers(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_total` is never used
[INFO] [stdout]    --> src/day3.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_total(num_lines: &Vec<NumLine>, index: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day3.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | const INPUTT: &str = "467..114..
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day3.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const INPUT: &str = ".....613...................................439............498.........................438......617....343........
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day4.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve1` is never used
[INFO] [stdout]   --> src/day4.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn solve1() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day4.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_line(line: &str) -> Card {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_matches` is never used
[INFO] [stdout]   --> src/day4.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn find_matches(card: &Card) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day4.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | const INPUTT: &str = "Card 1: 41 48 83 86 17 | 83 86  6 31 17  9 48 53
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day4.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | const INPUT: &str = "Card   1: 30 51 48 31 36 33 49 83 86 17 | 17 33 31 70 90 37 86 45 58 21 83 52 59 68 55 32 20 43 48 75 30 42 80 ...
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mapper` is never constructed
[INFO] [stdout]  --> src/day5.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Mapper {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapItem` is never constructed
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MapItem {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `find`, `new`, and `parse_line` are never used
[INFO] [stdout]   --> src/day5.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Mapper {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 12 |     fn find(&self, num: u64) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn new(section: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn parse_line(line: &str) -> MapItem {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day5.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2_seeds` is never used
[INFO] [stdout]   --> src/day5.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn part_2_seeds(line: &str) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_seeds` is never used
[INFO] [stdout]   --> src/day5.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day5.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 | const INPUTT: &str = "seeds: 79 14 55 13
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day5.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const INPUT: &str = "seeds: 3169137700 271717609 3522125441 23376095 1233948799 811833837 280549587 703867355 166086528 44766996 23...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]  --> src/day6.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Target {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day6.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_valid_outcomes` is never used
[INFO] [stdout]   --> src/day6.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn get_valid_outcomes(target: &Target) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day6.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | const INPUTT: &str = "Time:      7  15   30
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day6.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | const INPUT: &str = "Time:        58     99     64     69
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]  --> src/day7.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Hand {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseError` is never constructed
[INFO] [stdout]   --> src/day7.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ParseError;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rank` and `cmp` are never used
[INFO] [stdout]   --> src/day7.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 54 |     fn rank(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn cmp(&self, other: &Hand) -> Ordering {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day7.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day7.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 126 | const INPUTT: &str = "32T3K 765
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day7.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const INPUT: &str = "K8KK6 75
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]  --> src/day7_2.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Hand {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseError` is never constructed
[INFO] [stdout]   --> src/day7_2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ParseError;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rank` and `cmp` are never used
[INFO] [stdout]   --> src/day7_2.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 74 |     fn rank(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn cmp(&self, other: &Hand) -> Ordering {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day7_2.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day7_2.rs:145:7
[INFO] [stdout]     |
[INFO] [stdout] 145 | const INPUTT: &str = "32T3K 765
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day7_2.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 | const INPUT: &str = "K8KK6 75
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Postition` is never constructed
[INFO] [stdout]  --> src/day8.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Postition {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositionParseError` is never constructed
[INFO] [stdout]   --> src/day8.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct PositionParseError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day8.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_path` is never used
[INFO] [stdout]   --> src/day8.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_path(seq: &str, start_key: &str, postions: &HashMap<String, Postition>) -> (String, usize) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve2` is never used
[INFO] [stdout]   --> src/day8.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn solve2() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_paths` is never used
[INFO] [stdout]    --> src/day8.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_paths(seq: &str, mut start_keys: Vec<String>, postions: &HashMap<String, Postition>) -> (Vec<String>, usize, bool) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day8.rs:168:7
[INFO] [stdout]     |
[INFO] [stdout] 168 | const INPUTT: &str = "RL
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT2` is never used
[INFO] [stdout]    --> src/day8.rs:178:7
[INFO] [stdout]     |
[INFO] [stdout] 178 | const INPUTT2: &str = "LLR
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT3` is never used
[INFO] [stdout]    --> src/day8.rs:184:7
[INFO] [stdout]     |
[INFO] [stdout] 184 | const INPUTT3: &str = "LR
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day8.rs:195:7
[INFO] [stdout]     |
[INFO] [stdout] 195 | const INPUT: &str = "LRLRLRLRRLRRRLRLRLRRRLLRRLRRLRRLLRRLRRLRLRRRLRRLLRRLRRRLRRLRRRLRRRLLLRRLLRLLRRRLLRRLRLLRLLRRRLLRRLRRLRRRLRRLRL...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sequence` is never used
[INFO] [stdout]  --> src/day9.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Sequence {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `first`, `last`, `get_diff`, `get_depth`, and `get_depth2` are never used
[INFO] [stdout]   --> src/day9.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Sequence {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  7 |     fn first(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn last(&self) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_diff(&self) -> (Sequence, bool) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn get_depth(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn get_depth2(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sequence` is never used
[INFO] [stdout]   --> src/day9.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn get_sequence(input: &str) -> Sequence {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day9.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day9.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 | const INPUTT: &str = "0 3 6 9 12 15
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day9.rs:109:7
[INFO] [stdout]     |
[INFO] [stdout] 109 | const INPUT: &str = "27 49 92 176 327 586 1039 1879 3511 6711 12850 24194 44291 78456 134365 222769 358339 560653 855336 1275364 18...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Side` is never used
[INFO] [stdout]  --> src/day10.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Side {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/day10.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Direction {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]   --> src/day10.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Map = HashMap<String, Direction>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tunnel` is never constructed
[INFO] [stdout]   --> src/day10.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Tunnel {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_start`, `set_position`, `next`, `traverse`, and `find_enclosed_area` are never used
[INFO] [stdout]    --> src/day10.rs:29:8
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Tunnel {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  29 |     fn move_start(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn set_position(&mut self, position: (usize, usize)) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     fn next(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn traverse(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn find_enclosed_area(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sides` is never used
[INFO] [stdout]    --> src/day10.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn get_sides(c: char) -> Vec<Side> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_map` is never used
[INFO] [stdout]    --> src/day10.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn create_map(ip: &str) -> Tunnel {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day10.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day10.rs:224:7
[INFO] [stdout]     |
[INFO] [stdout] 224 | const INPUTT: &str = "..F7.
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT2` is never used
[INFO] [stdout]    --> src/day10.rs:230:7
[INFO] [stdout]     |
[INFO] [stdout] 230 | const INPUTT2: &str = "-L|F7
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day10.rs:236:7
[INFO] [stdout]     |
[INFO] [stdout] 236 | const INPUT: &str = "FJ77.F7F.FF.F..7-J.7F|7-7-7-7FJJ-7J-LL-7FL.F-7.F-F77F7F7-77-F--7-FF|-F-L7-|.F7|7.F-77..-FF|--F.J7..|7FFL-JJ7-F...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Space` is never used
[INFO] [stdout]  --> src/day11.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Space = Vec<Vec<char>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expand` is never used
[INFO] [stdout]  --> src/day11.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn expand(space: &mut Space) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_expansions` is never used
[INFO] [stdout]   --> src/day11.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_expansions(space: &Space) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_galaxies` is never used
[INFO] [stdout]   --> src/day11.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn get_galaxies(space: &Space) -> Vec<(usize, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_distances` is never used
[INFO] [stdout]    --> src/day11.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn find_distances(p: &Vec<(usize,usize)>) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_distances_with_expansions` is never used
[INFO] [stdout]    --> src/day11.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day11.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day11.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 | const INPUTT: &str = "...#......
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day11.rs:164:7
[INFO] [stdout]     |
[INFO] [stdout] 164 | const INPUT: &str = "...........#..........................#..................................................................#.......
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]  --> src/day21.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Map = Vec<Vec<Tile>>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day21.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]  --> src/day22.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CoOrd {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     z: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]  --> src/day22.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Brick {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 7 |     start: CoOrd,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     end: CoOrd,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `touching` are never used
[INFO] [stdout]   --> src/day22.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Brick {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get(&self, direction: char) -> std::ops::Range<usize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn touching(&self, other: &Brick) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     return first * 10 + last;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     return first * 10 + last;
[INFO] [stdout] 38 +     first * 10 + last
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day1.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     return first * 10 + last;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     return first * 10 + last;
[INFO] [stdout] 79 +     first * 10 + last
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day1.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `index` is used as a loop counter
[INFO] [stdout]   --> src/day1.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for ch in iter {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: consider using: `for (index, ch) in iter.enumerate()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]    = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         first = num.into();
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         last = num.into();
[INFO] [stdout]    |                                ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |                         last = num.into();
[INFO] [stdout]    |                                ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         return 1;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         return 1;
[INFO] [stdout] 86 +         1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         return 2;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -         return 2;
[INFO] [stdout] 88 +         2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return 3;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 90 -         return 3;
[INFO] [stdout] 90 +         3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         return 4;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 92 -         return 4;
[INFO] [stdout] 92 +         4
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         return 5;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         return 5;
[INFO] [stdout] 94 +         5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         return 6;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 96 -         return 6;
[INFO] [stdout] 96 +         6
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         return 7;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -         return 7;
[INFO] [stdout] 98 +         7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         return 8;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -         return 8;
[INFO] [stdout] 100 +         8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         return 9;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 102 -         return 9;
[INFO] [stdout] 102 +         9
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         return -1;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 104 -         return -1;
[INFO] [stdout] 104 +         -1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day2.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     return (id, true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     return (id, true);
[INFO] [stdout] 39 +     (id, true)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return least_balls.red * least_balls.green * least_balls.blue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     return least_balls.red * least_balls.green * least_balls.blue;
[INFO] [stdout] 63 +     least_balls.red * least_balls.green * least_balls.blue
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     return balls;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     return balls;
[INFO] [stdout] 84 +     balls
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day3.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             total = total + get_part_numbers(&symbols, &num_lines, i - 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total += get_part_numbers(&symbols, &num_lines, i - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day3.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             total = total + get_part_numbers(&symbols, &num_lines, num_lines.len() - 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total += get_part_numbers(&symbols, &num_lines, num_lines.len() - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     return (num_lines, symbols);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -     return (num_lines, symbols);
[INFO] [stdout] 62 +     (num_lines, symbols)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/day3.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |         if 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: length comparison to zero
[INFO] [stdout]   --> src/day3.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if num_string.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num_string.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day3.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if num_string.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num_string.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     return  NumLine {
[INFO] [stdout] 69 | |         num,
[INFO] [stdout] 70 | |         start: end - num_str.len(),
[INFO] [stdout] 71 | |         end: end - 1,
[INFO] [stdout] 72 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 68 ~     NumLine {
[INFO] [stdout] 69 +         num,
[INFO] [stdout] 70 +         start: end - num_str.len(),
[INFO] [stdout] 71 +         end: end - 1,
[INFO] [stdout] 72 ~     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     return parts;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     return parts;
[INFO] [stdout] 99 +     parts
[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/day3.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     symbols: &Vec<Vec<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] 76 -     symbols: &Vec<Vec<usize>>,
[INFO] [stdout] 76 +     symbols: &[Vec<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/day3.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     num_lines: &Vec<Vec<NumLine>>,
[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] 77 -     num_lines: &Vec<Vec<NumLine>>,
[INFO] [stdout] 77 +     num_lines: &[Vec<NumLine>],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day3.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     return total;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 117 -     return total;
[INFO] [stdout] 117 +     total
[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/day3.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_total(num_lines: &Vec<NumLine>, index: 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] 102 - fn get_total(num_lines: &Vec<NumLine>, index: usize) -> usize {
[INFO] [stdout] 102 + fn get_total(num_lines: &[NumLine], index: usize) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/day4.rs:45:35
[INFO] [stdout]    |
[INFO] [stdout] 45 |         total += if matches > 0 { (2 as u32).pow(matches - 1) } else { 0 };
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: try: `2_u32`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day4.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     return Card { id, winning, all };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 72 -     return Card { id, winning, all };
[INFO] [stdout] 72 +     Card { id, winning, all }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day4.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if nums.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!nums.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day4.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if nums.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!nums.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day4.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     return matches;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -     return matches;
[INFO] [stdout] 85 +     matches
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/day4.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let win_map: HashMap<u32, u32> = card.winning.iter().map(move |num| (*num, 0 as u32)).collect();
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/day4.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(_) = win_map.get(&num) {
[INFO] [stdout]    |         -------^^^^^^^-------------------- help: try: `if win_map.get(&num).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` 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/day4.rs:80:38
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(_) = win_map.get(&num) {
[INFO] [stdout]    |                                      ^^^^ help: change this to: `num`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         return value.destination + diff
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -         return value.destination + diff
[INFO] [stdout] 20 +         value.destination + diff
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/day5.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |           let value = self.maps.iter()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 15 | |             .find(|m| m.source <= num && m.source + m.range >= num)
[INFO] [stdout] 16 | |             .unwrap_or_else(|| &default);
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -             .unwrap_or_else(|| &default);
[INFO] [stdout] 16 +             .unwrap_or(&default);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         return Mapper { maps };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 31 -         return Mapper { maps };
[INFO] [stdout] 31 +         Mapper { maps }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         return MapItem {
[INFO] [stdout] 42 | |             source,
[INFO] [stdout] 43 | |             destination,
[INFO] [stdout] 44 | |             range,
[INFO] [stdout] 45 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 41 ~         MapItem {
[INFO] [stdout] 42 +             source,
[INFO] [stdout] 43 +             destination,
[INFO] [stdout] 44 +             range,
[INFO] [stdout] 45 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     return seeds;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     return seeds;
[INFO] [stdout] 90 +     seeds
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     return seeds.iter().map(|n| map.find(*n)).collect();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -     return seeds.iter().map(|n| map.find(*n)).collect();
[INFO] [stdout] 94 +     seeds.iter().map(|n| map.find(*n)).collect()
[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/day5.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<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] 93 - fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<u64> {
[INFO] [stdout] 93 + fn update_seeds(seeds: &[u64], map: Mapper) -> Vec<u64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day6.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     return  count;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     return  count;
[INFO] [stdout] 53 +     count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout] 49 +         Ok(Self { cards: set, points, ids: ids.iter().collect() })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return 7;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 56 -             return 7;
[INFO] [stdout] 56 +             7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             return 5;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -             return 5;
[INFO] [stdout] 62 +             5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             return 3;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -             return 3;
[INFO] [stdout] 69 +             3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             return 2;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -             return 2;
[INFO] [stdout] 71 +             2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 |              return 1;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 73 -              return 1;
[INFO] [stdout] 73 +              1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             return Ordering::Greater;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 -             return Ordering::Greater;
[INFO] [stdout] 83 +             Ordering::Greater
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             return Ordering::Less;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -             return Ordering::Less;
[INFO] [stdout] 85 +             Ordering::Less
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return Ordering::Equal;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -             return Ordering::Equal;
[INFO] [stdout] 100 +             Ordering::Equal
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         return h1.cmp(h2)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 113 -         return h1.cmp(h2)
[INFO] [stdout] 113 +         h1.cmp(h2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         return acc + ((i+1)* h.points)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 119 -         return acc + ((i+1)* h.points)
[INFO] [stdout] 119 +         acc + ((i+1)* h.points)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout] 69 +         Ok(Self { cards: set, points, ids: ids.iter().collect() })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             return 7;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -             return 7;
[INFO] [stdout] 76 +             7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             return 5;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -             return 5;
[INFO] [stdout] 82 +             5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             return 3;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -             return 3;
[INFO] [stdout] 89 +             3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             return 2;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 91 -             return 2;
[INFO] [stdout] 91 +             2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |              return 1;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 93 -              return 1;
[INFO] [stdout] 93 +              1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             return Ordering::Greater;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 103 -             return Ordering::Greater;
[INFO] [stdout] 103 +             Ordering::Greater
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             return Ordering::Less;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 105 -             return Ordering::Less;
[INFO] [stdout] 105 +             Ordering::Less
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             return Ordering::Equal;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 120 -             return Ordering::Equal;
[INFO] [stdout] 120 +             Ordering::Equal
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         return h1.cmp(h2)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 133 -         return h1.cmp(h2)
[INFO] [stdout] 133 +         h1.cmp(h2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         return acc + ((i+1)* h.points)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 138 -         return acc + ((i+1)* h.points)
[INFO] [stdout] 138 +         acc + ((i+1)* h.points)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return Ok(Self { l, r, k });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -         return Ok(Self { l, r, k });
[INFO] [stdout] 28 +         Ok(Self { l, r, k })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         return (p.k.to_owned(), p);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         return (p.k.to_owned(), p);
[INFO] [stdout] 49 +         (p.k.to_owned(), p)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/day8.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     while key != "PPP".to_owned() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: try: `"PPP"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]    = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day8.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         total = total + t;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `total += t`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return (key, count);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -     return (key, count);
[INFO] [stdout] 82 +     (key, count)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         return (p.k.to_owned(), p);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 103 -         return (p.k.to_owned(), p);
[INFO] [stdout] 103 +         (p.k.to_owned(), p)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day8.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         total = total + t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `total += t`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             return acc;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 122 -             return acc;
[INFO] [stdout] 122 +             acc
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual backwards iteration
[INFO] [stdout]    --> src/day8.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |             if v.chars().rev().next().unwrap() == 'Z' {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use: `.next_back()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_next_back
[INFO] [stdout]     = note: `#[warn(clippy::manual_next_back)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     return (start_keys, count, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 165 -     return (start_keys, count, false);
[INFO] [stdout] 165 +     (start_keys, count, false)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut distance_line = iter.next().unwrap().split(' ').filter(|x| *x != empty_string).skip(1);
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day6.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut result = 1;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/day9.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return v.first().unwrap().to_owned();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 9 -         return v.first().unwrap().to_owned();
[INFO] [stdout] 9 +         v.first().unwrap().to_owned()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return v.last().unwrap().to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -         return v.last().unwrap().to_owned();
[INFO] [stdout] 14 +         v.last().unwrap().to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         return (Sequence::V(diff_sequence), is_same);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return (Sequence::V(diff_sequence), is_same);
[INFO] [stdout] 34 +         (Sequence::V(diff_sequence), is_same)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout] 59 +         last_nums.iter().fold(0, |acc, x| acc + x)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/day9.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         return last_nums.iter().rev().fold(0, |acc, x| x - acc);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         return last_nums.iter().rev().fold(0, |acc, x| x - acc);
[INFO] [stdout] 84 +         last_nums.iter().rev().fold(0, |acc, x| x - acc)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     return Sequence::V(v)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     return Sequence::V(v)
[INFO] [stdout] 92 +     Sequence::V(v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/day9.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let t = s.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i64>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         return count;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         return count;
[INFO] [stdout] 130 +         count
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         return 0;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 167 -         return 0;
[INFO] [stdout] 167 +         0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&(i,j)).is_none()`
[INFO] [stdout]    --> src/day10.rs:142:50
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let is_non_loop = self.positions.get(&(i,j)).is_none();
[INFO] [stdout]     |                                   ---------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: replace it with: `!self.positions.contains_key(&(i,j))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     return v;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 182 -     return v;
[INFO] [stdout] 182 +     v
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | /     return Tunnel {
[INFO] [stdout] 202 | |         start: s,
[INFO] [stdout] 203 | |         len: 0,
[INFO] [stdout] 204 | |         positions: HashMap::new(),
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |         size: (x_len, y_len),
[INFO] [stdout] 208 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 201 ~     Tunnel {
[INFO] [stdout] 202 +         start: s,
[INFO] [stdout] 203 +         len: 0,
[INFO] [stdout] 204 +         positions: HashMap::new(),
[INFO] [stdout] 205 +         map,
[INFO] [stdout] 206 +         curr: (s.0, s.1, Side::Down), // random side
[INFO] [stdout] 207 +         size: (x_len, y_len),
[INFO] [stdout] 208 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `keys` is never read
[INFO] [stdout]    --> src/day8.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         keys = k;
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `total` is never read
[INFO] [stdout]    --> src/day8.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         total = total + t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `done` is never read
[INFO] [stdout]    --> src/day8.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |         done = d;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             return *c == '#' || acc;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 15 -             return *c == '#' || acc;
[INFO] [stdout] 15 +             *c == '#' || acc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `space`
[INFO] [stdout]   --> src/day11.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 35 -     for i in 0..len {
[INFO] [stdout] 35 +     for (i, <item>) in space.iter().enumerate().take(len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `space`
[INFO] [stdout]   --> src/day11.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         for j in 0..vert_len {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 37 -         for j in 0..vert_len {
[INFO] [stdout] 37 +         for <item> in space.iter().take(vert_len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     return (rows, cols);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     return (rows, cols);
[INFO] [stdout] 86 +     (rows, cols)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             return *c == '#' || acc;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -             return *c == '#' || acc;
[INFO] [stdout] 63 +             *c == '#' || acc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `space`
[INFO] [stdout]   --> src/day11.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for i in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 76 -     for i in 0..len {
[INFO] [stdout] 76 +     for (i, <item>) in space.iter().enumerate().take(len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `depth` is assigned to, but never used
[INFO] [stdout]   --> src/day9.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut depth = 2;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_depth` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `depth` is never read
[INFO] [stdout]   --> src/day9.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             depth += 1;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `depth` is assigned to, but never used
[INFO] [stdout]   --> src/day9.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |         let mut depth = 2;
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_depth` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `depth` is never read
[INFO] [stdout]   --> src/day9.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |             depth += 1;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `space`
[INFO] [stdout]   --> src/day11.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for j in 0..vert_len {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 78 -         for j in 0..vert_len {
[INFO] [stdout] 78 +         for <item> in space.iter().take(vert_len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -     return result;
[INFO] [stdout] 100 +     result
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 115 -     return result;
[INFO] [stdout] 115 +     result
[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/day11.rs:103:22
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn find_distances(p: &Vec<(usize,usize)>) -> Vec<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] 103 - fn find_distances(p: &Vec<(usize,usize)>) -> Vec<usize> {
[INFO] [stdout] 103 + fn find_distances(p: &[(usize,usize)]) -> Vec<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `p`
[INFO] [stdout]    --> src/day11.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |         for j in (i + 1)..p.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 107 -         for j in (i + 1)..p.len() {
[INFO] [stdout] 107 +         for <item> in p.iter().skip((i + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 135 -     return result;
[INFO] [stdout] 135 +     result
[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/day11.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<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] 118 - fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout] 118 + fn find_distances_with_expansions(p: &[(usize,usize)], ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `p`
[INFO] [stdout]    --> src/day11.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for j in (i + 1)..p.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 122 -         for j in (i + 1)..p.len() {
[INFO] [stdout] 122 +         for <item> in p.iter().skip((i + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/day10.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let x = self.curr.0 - 1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/day10.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let y = self.curr.1;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: items after a test module
[INFO] [stdout]    --> src/day21.rs:135:1
[INFO] [stdout]     |
[INFO] [stdout] 135 | mod test {
[INFO] [stdout]     | ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 | const TEST_INPUT: &str = "...........
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 | const INPUT: &str = ".................................................................................................................
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#items_after_test_module
[INFO] [stdout]     = note: `#[warn(clippy::items_after_test_module)]` on by default
[INFO] [stdout]     = help: move the items to before the test module was defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/day21.rs:1:73
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, sync::Arc, time::SystemTime, usize};
[INFO] [stdout]   |                                                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `usize::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]   --> src/day21.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let pos = pos.clone();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day21.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 return r;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -                 return r;
[INFO] [stdout] 30 +                 r
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `prev` is assigned to, but never used
[INFO] [stdout]    --> src/day10.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut prev = None;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_prev` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day21.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     return valid_states;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -     return valid_states;
[INFO] [stdout] 98 +     valid_states
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prev` is never read
[INFO] [stdout]    --> src/day10.rs:158:29
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   prev = p.sides.iter().find(|s| s != &&Side::Right);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/day21.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn travel(pos: Pos, map: &Vec<Vec<Tile>>, pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[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] 51 - fn travel(pos: Pos, map: &Vec<Vec<Tile>>, pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[INFO] [stdout] 51 + fn travel(pos: Pos, map: &[Vec<Tile>], pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day21.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     return (map, start);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 131 -     return (map, start);
[INFO] [stdout] 131 +     (map, start)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]    --> src/day21.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for l in lines {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: consider using: `for (i, l) in lines.enumerate()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `j` is used as a loop counter
[INFO] [stdout]    --> src/day21.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for c in l.chars() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: consider using: `for (j, c) in l.chars().enumerate()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day11.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |     let mut space: Space = ip.lines().map(|l| l.chars().collect()).collect();
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day22.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | /             return Brick {
[INFO] [stdout] 30 | |                 start: start_coord,
[INFO] [stdout] 31 | |                 end: end_coord,
[INFO] [stdout] 32 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 ~             Brick {
[INFO] [stdout] 30 +                 start: start_coord,
[INFO] [stdout] 31 +                 end: end_coord,
[INFO] [stdout] 32 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/day22.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         return !(!y_match || !x_match && !z_match) || (z_match && x_match);
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         return (z_match || x_match) && y_match || (z_match && x_match);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day22.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         (x_match && y_match) || (y_match && z_match) || (z_match && x_match)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tower`
[INFO] [stdout]   --> src/day22.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let tower = Brick::from_str(input);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tower`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day1.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse_line(line: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT2T` is never used
[INFO] [stdout]    --> src/day1.rs:108:7
[INFO] [stdout]     |
[INFO] [stdout] 108 | const INPUT2T: &str = "two1nine
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day1.rs:116:7
[INFO] [stdout]     |
[INFO] [stdout] 116 | const INPUT: &str = "1abc2
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Balls` is never constructed
[INFO] [stdout]  --> src/day2.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Balls {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day2.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse_line(line: &str) -> (usize, bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line2` is never used
[INFO] [stdout]   --> src/day2.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn parse_line2(line: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_game` is never used
[INFO] [stdout]   --> src/day2.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn parse_game(game: &str) -> Balls {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT1T` is never used
[INFO] [stdout]   --> src/day2.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | const INPUT1T: &str = "Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT1` is never used
[INFO] [stdout]   --> src/day2.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | const INPUT1: &str = "Game 1: 1 green, 2 blue; 13 red, 2 blue, 3 green; 4 green, 14 red
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumLine` is never constructed
[INFO] [stdout]  --> src/day3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct NumLine {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day3.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day3.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_line(line: &str) -> (Vec<NumLine>, Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num_line` is never used
[INFO] [stdout]   --> src/day3.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn get_num_line(num_str: String, end: usize) -> NumLine {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_part_numbers` is never used
[INFO] [stdout]   --> src/day3.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn get_part_numbers(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_total` is never used
[INFO] [stdout]    --> src/day3.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_total(num_lines: &Vec<NumLine>, index: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day3.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | const INPUTT: &str = "467..114..
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day3.rs:131:7
[INFO] [stdout]     |
[INFO] [stdout] 131 | const INPUT: &str = ".....613...................................439............498.........................438......617....343........
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/day4.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day4.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve1` is never used
[INFO] [stdout]   --> src/day4.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn solve1() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]   --> src/day4.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn parse_line(line: &str) -> Card {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_matches` is never used
[INFO] [stdout]   --> src/day4.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn find_matches(card: &Card) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day4.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | const INPUTT: &str = "Card 1: 41 48 83 86 17 | 83 86  6 31 17  9 48 53
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day4.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | const INPUT: &str = "Card   1: 30 51 48 31 36 33 49 83 86 17 | 17 33 31 70 90 37 86 45 58 21 83 52 59 68 55 32 20 43 48 75 30 42 80 ...
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mapper` is never constructed
[INFO] [stdout]  --> src/day5.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Mapper {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapItem` is never constructed
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MapItem {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `find`, `new`, and `parse_line` are never used
[INFO] [stdout]   --> src/day5.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Mapper {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 12 |     fn find(&self, num: u64) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn new(section: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn parse_line(line: &str) -> MapItem {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day5.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2_seeds` is never used
[INFO] [stdout]   --> src/day5.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn part_2_seeds(line: &str) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `update_seeds` is never used
[INFO] [stdout]   --> src/day5.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day5.rs:98:7
[INFO] [stdout]    |
[INFO] [stdout] 98 | const INPUTT: &str = "seeds: 79 14 55 13
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day5.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const INPUT: &str = "seeds: 3169137700 271717609 3522125441 23376095 1233948799 811833837 280549587 703867355 166086528 44766996 23...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]  --> src/day6.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Target {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day6.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_valid_outcomes` is never used
[INFO] [stdout]   --> src/day6.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn get_valid_outcomes(target: &Target) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]   --> src/day6.rs:56:7
[INFO] [stdout]    |
[INFO] [stdout] 56 | const INPUTT: &str = "Time:      7  15   30
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day6.rs:59:7
[INFO] [stdout]    |
[INFO] [stdout] 59 | const INPUT: &str = "Time:        58     99     64     69
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]  --> src/day7.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Hand {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseError` is never constructed
[INFO] [stdout]   --> src/day7.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ParseError;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rank` and `cmp` are never used
[INFO] [stdout]   --> src/day7.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 54 |     fn rank(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn cmp(&self, other: &Hand) -> Ordering {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day7.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day7.rs:126:7
[INFO] [stdout]     |
[INFO] [stdout] 126 | const INPUTT: &str = "32T3K 765
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day7.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | const INPUT: &str = "K8KK6 75
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]  --> src/day7_2.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Hand {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseError` is never constructed
[INFO] [stdout]   --> src/day7_2.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct ParseError;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `rank` and `cmp` are never used
[INFO] [stdout]   --> src/day7_2.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Hand {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 74 |     fn rank(&self) -> u8 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn cmp(&self, other: &Hand) -> Ordering {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day7_2.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day7_2.rs:145:7
[INFO] [stdout]     |
[INFO] [stdout] 145 | const INPUTT: &str = "32T3K 765
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day7_2.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 | const INPUT: &str = "K8KK6 75
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Postition` is never constructed
[INFO] [stdout]  --> src/day8.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Postition {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PositionParseError` is never constructed
[INFO] [stdout]   --> src/day8.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct PositionParseError;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day8.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_path` is never used
[INFO] [stdout]   --> src/day8.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_path(seq: &str, start_key: &str, postions: &HashMap<String, Postition>) -> (String, usize) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve2` is never used
[INFO] [stdout]   --> src/day8.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn solve2() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_paths` is never used
[INFO] [stdout]    --> src/day8.rs:134:4
[INFO] [stdout]     |
[INFO] [stdout] 134 | fn find_paths(seq: &str, mut start_keys: Vec<String>, postions: &HashMap<String, Postition>) -> (Vec<String>, usize, bool) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day8.rs:168:7
[INFO] [stdout]     |
[INFO] [stdout] 168 | const INPUTT: &str = "RL
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT2` is never used
[INFO] [stdout]    --> src/day8.rs:178:7
[INFO] [stdout]     |
[INFO] [stdout] 178 | const INPUTT2: &str = "LLR
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT3` is never used
[INFO] [stdout]    --> src/day8.rs:184:7
[INFO] [stdout]     |
[INFO] [stdout] 184 | const INPUTT3: &str = "LR
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day8.rs:195:7
[INFO] [stdout]     |
[INFO] [stdout] 195 | const INPUT: &str = "LRLRLRLRRLRRRLRLRLRRRLLRRLRRLRRLLRRLRRLRLRRRLRRLLRRLRRRLRRLRRRLRRRLLLRRLLRLLRRRLLRRLRLLRLLRRRLLRRLRRLRRRLRRLRL...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Sequence` is never used
[INFO] [stdout]  --> src/day9.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Sequence {
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `first`, `last`, `get_diff`, `get_depth`, and `get_depth2` are never used
[INFO] [stdout]   --> src/day9.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl Sequence {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  7 |     fn first(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn last(&self) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn get_diff(&self) -> (Sequence, bool) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn get_depth(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn get_depth2(&self) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sequence` is never used
[INFO] [stdout]   --> src/day9.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn get_sequence(input: &str) -> Sequence {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day9.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day9.rs:105:7
[INFO] [stdout]     |
[INFO] [stdout] 105 | const INPUTT: &str = "0 3 6 9 12 15
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day9.rs:109:7
[INFO] [stdout]     |
[INFO] [stdout] 109 | const INPUT: &str = "27 49 92 176 327 586 1039 1879 3511 6711 12850 24194 44291 78456 134365 222769 358339 560653 855336 1275364 18...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Side` is never used
[INFO] [stdout]  --> src/day10.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Side {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/day10.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Direction {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]   --> src/day10.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | type Map = HashMap<String, Direction>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tunnel` is never constructed
[INFO] [stdout]   --> src/day10.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Tunnel {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `move_start`, `set_position`, `next`, `traverse`, and `find_enclosed_area` are never used
[INFO] [stdout]    --> src/day10.rs:29:8
[INFO] [stdout]     |
[INFO] [stdout]  28 | impl Tunnel {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  29 |     fn move_start(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn set_position(&mut self, position: (usize, usize)) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  87 |     fn next(&mut self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn traverse(&mut self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn find_enclosed_area(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sides` is never used
[INFO] [stdout]    --> src/day10.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn get_sides(c: char) -> Vec<Side> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_map` is never used
[INFO] [stdout]    --> src/day10.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn create_map(ip: &str) -> Tunnel {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day10.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day10.rs:224:7
[INFO] [stdout]     |
[INFO] [stdout] 224 | const INPUTT: &str = "..F7.
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT2` is never used
[INFO] [stdout]    --> src/day10.rs:230:7
[INFO] [stdout]     |
[INFO] [stdout] 230 | const INPUTT2: &str = "-L|F7
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day10.rs:236:7
[INFO] [stdout]     |
[INFO] [stdout] 236 | const INPUT: &str = "FJ77.F7F.FF.F..7-J.7F|7-7-7-7FJJ-7J-LL-7FL.F-7.F-F77F7F7-77-F--7-FF|-F-L7-|.F7|7.F-77..-FF|--F.J7..|7FFL-JJ7-F...
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Space` is never used
[INFO] [stdout]  --> src/day11.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Space = Vec<Vec<char>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expand` is never used
[INFO] [stdout]  --> src/day11.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn expand(space: &mut Space) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_expansions` is never used
[INFO] [stdout]   --> src/day11.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_expansions(space: &Space) -> (Vec<usize>, Vec<usize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_galaxies` is never used
[INFO] [stdout]   --> src/day11.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn get_galaxies(space: &Space) -> Vec<(usize, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_distances` is never used
[INFO] [stdout]    --> src/day11.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn find_distances(p: &Vec<(usize,usize)>) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_distances_with_expansions` is never used
[INFO] [stdout]    --> src/day11.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day11.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUTT` is never used
[INFO] [stdout]    --> src/day11.rs:153:7
[INFO] [stdout]     |
[INFO] [stdout] 153 | const INPUTT: &str = "...#......
[INFO] [stdout]     |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day11.rs:164:7
[INFO] [stdout]     |
[INFO] [stdout] 164 | const INPUT: &str = "...........#..........................#..................................................................#.......
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day21.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Tile {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]  --> src/day21.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Map = Vec<Vec<Tile>>;
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Pos` is never used
[INFO] [stdout]   --> src/day21.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Pos = (i32, i32);
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day21.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `travel` is never used
[INFO] [stdout]   --> src/day21.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn travel(pos: Pos, map: &Vec<Vec<Tile>>, pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/day21.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn parse() -> (Vec<Vec<Tile>>, Pos) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_INPUT` is never used
[INFO] [stdout]    --> src/day21.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 | const TEST_INPUT: &str = "...........
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]    --> src/day21.rs:162:7
[INFO] [stdout]     |
[INFO] [stdout] 162 | const INPUT: &str = ".................................................................................................................
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]  --> src/day22.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct CoOrd {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 2 |     x: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 3 |     y: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     z: usize,
[INFO] [stdout]   |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start` and `end` are never read
[INFO] [stdout]  --> src/day22.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Brick {
[INFO] [stdout]   |        ----- fields in this struct
[INFO] [stdout] 7 |     start: CoOrd,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 8 |     end: CoOrd,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get` and `touching` are never used
[INFO] [stdout]   --> src/day22.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Brick {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn get(&self, direction: char) -> std::ops::Range<usize> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn touching(&self, other: &Brick) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 |     return first * 10 + last;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 38 -     return first * 10 + last;
[INFO] [stdout] 38 +     first * 10 + last
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day1.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     return first * 10 + last;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 79 -     return first * 10 + last;
[INFO] [stdout] 79 +     first * 10 + last
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day1.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     if line.len() == 0 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `index` is used as a loop counter
[INFO] [stdout]   --> src/day1.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     for ch in iter {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: consider using: `for (index, ch) in iter.enumerate()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout]    = note: `#[warn(clippy::explicit_counter_loop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |                         first = num.into();
[INFO] [stdout]    |                                 ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]    = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:60:32
[INFO] [stdout]    |
[INFO] [stdout] 60 |                         last = num.into();
[INFO] [stdout]    |                                ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `i64`
[INFO] [stdout]   --> src/day1.rs:62:32
[INFO] [stdout]    |
[INFO] [stdout] 62 |                         last = num.into();
[INFO] [stdout]    |                                ^^^^^^^^^^ help: consider removing `.into()`: `num`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         return 1;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -         return 1;
[INFO] [stdout] 86 +         1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         return 2;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 88 -         return 2;
[INFO] [stdout] 88 +         2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         return 3;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 90 -         return 3;
[INFO] [stdout] 90 +         3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:92:9
[INFO] [stdout]    |
[INFO] [stdout] 92 |         return 4;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 92 -         return 4;
[INFO] [stdout] 92 +         4
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         return 5;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -         return 5;
[INFO] [stdout] 94 +         5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         return 6;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 96 -         return 6;
[INFO] [stdout] 96 +         6
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day1.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         return 7;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -         return 7;
[INFO] [stdout] 98 +         7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |         return 8;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -         return 8;
[INFO] [stdout] 100 +         8
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         return 9;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 102 -         return 9;
[INFO] [stdout] 102 +         9
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day1.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         return -1;
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 104 -         return -1;
[INFO] [stdout] 104 +         -1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day2.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |         if line.len() == 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     return (id, true);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 39 -     return (id, true);
[INFO] [stdout] 39 +     (id, true)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     return least_balls.red * least_balls.green * least_balls.blue;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -     return least_balls.red * least_balls.green * least_balls.blue;
[INFO] [stdout] 63 +     least_balls.red * least_balls.green * least_balls.blue
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day2.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     return balls;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -     return balls;
[INFO] [stdout] 84 +     balls
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day3.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             total = total + get_part_numbers(&symbols, &num_lines, i - 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total += get_part_numbers(&symbols, &num_lines, i - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day3.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |             total = total + get_part_numbers(&symbols, &num_lines, num_lines.len() - 1);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `total += get_part_numbers(&symbols, &num_lines, num_lines.len() - 1)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     return (num_lines, symbols);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -     return (num_lines, symbols);
[INFO] [stdout] 62 +     (num_lines, symbols)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of `char::is_digit` with literal radix of 10
[INFO] [stdout]   --> src/day3.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |         if 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: length comparison to zero
[INFO] [stdout]   --> src/day3.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if num_string.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num_string.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day3.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if num_string.len() > 0 {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!num_string.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | /     return  NumLine {
[INFO] [stdout] 69 | |         num,
[INFO] [stdout] 70 | |         start: end - num_str.len(),
[INFO] [stdout] 71 | |         end: end - 1,
[INFO] [stdout] 72 | |     };
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 68 ~     NumLine {
[INFO] [stdout] 69 +         num,
[INFO] [stdout] 70 +         start: end - num_str.len(),
[INFO] [stdout] 71 +         end: end - 1,
[INFO] [stdout] 72 ~     }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day3.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     return parts;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 99 -     return parts;
[INFO] [stdout] 99 +     parts
[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/day3.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     symbols: &Vec<Vec<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] 76 -     symbols: &Vec<Vec<usize>>,
[INFO] [stdout] 76 +     symbols: &[Vec<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/day3.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |     num_lines: &Vec<Vec<NumLine>>,
[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] 77 -     num_lines: &Vec<Vec<NumLine>>,
[INFO] [stdout] 77 +     num_lines: &[Vec<NumLine>],
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day3.rs:117:5
[INFO] [stdout]     |
[INFO] [stdout] 117 |     return total;
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 117 -     return total;
[INFO] [stdout] 117 +     total
[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/day3.rs:102:25
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_total(num_lines: &Vec<NumLine>, index: 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] 102 - fn get_total(num_lines: &Vec<NumLine>, index: usize) -> usize {
[INFO] [stdout] 102 + fn get_total(num_lines: &[NumLine], index: usize) -> usize {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/day4.rs:45:35
[INFO] [stdout]    |
[INFO] [stdout] 45 |         total += if matches > 0 { (2 as u32).pow(matches - 1) } else { 0 };
[INFO] [stdout]    |                                   ^^^^^^^^^^ help: try: `2_u32`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day4.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     return Card { id, winning, all };
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 72 -     return Card { id, winning, all };
[INFO] [stdout] 72 +     Card { id, winning, all }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day4.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if nums.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!nums.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/day4.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if nums.len() > 0 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!nums.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day4.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     return matches;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -     return matches;
[INFO] [stdout] 85 +     matches
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting integer literal to `u32` is unnecessary
[INFO] [stdout]   --> src/day4.rs:77:80
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let win_map: HashMap<u32, u32> = card.winning.iter().map(move |num| (*num, 0 as u32)).collect();
[INFO] [stdout]    |                                                                                ^^^^^^^^ help: try: `0_u32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant pattern matching, consider using `is_some()`
[INFO] [stdout]   --> src/day4.rs:80:16
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(_) = win_map.get(&num) {
[INFO] [stdout]    |         -------^^^^^^^-------------------- help: try: `if win_map.get(&num).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching
[INFO] [stdout]    = note: `#[warn(clippy::redundant_pattern_matching)]` 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/day4.rs:80:38
[INFO] [stdout]    |
[INFO] [stdout] 80 |         if let Some(_) = win_map.get(&num) {
[INFO] [stdout]    |                                      ^^^^ help: change this to: `num`
[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: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |         return value.destination + diff
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 20 -         return value.destination + diff
[INFO] [stdout] 20 +         value.destination + diff
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary closure used to substitute value for `Option::None`
[INFO] [stdout]   --> src/day5.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |           let value = self.maps.iter()
[INFO] [stdout]    |  _____________________^
[INFO] [stdout] 15 | |             .find(|m| m.source <= num && m.source + m.range >= num)
[INFO] [stdout] 16 | |             .unwrap_or_else(|| &default);
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_lazy_evaluations)]` on by default
[INFO] [stdout] help: use `unwrap_or` instead
[INFO] [stdout]    |
[INFO] [stdout] 16 -             .unwrap_or_else(|| &default);
[INFO] [stdout] 16 +             .unwrap_or(&default);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         return Mapper { maps };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 31 -         return Mapper { maps };
[INFO] [stdout] 31 +         Mapper { maps }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | /         return MapItem {
[INFO] [stdout] 42 | |             source,
[INFO] [stdout] 43 | |             destination,
[INFO] [stdout] 44 | |             range,
[INFO] [stdout] 45 | |         };
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 41 ~         MapItem {
[INFO] [stdout] 42 +             source,
[INFO] [stdout] 43 +             destination,
[INFO] [stdout] 44 +             range,
[INFO] [stdout] 45 ~         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     return seeds;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 90 -     return seeds;
[INFO] [stdout] 90 +     seeds
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day5.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 94 |     return seeds.iter().map(|n| map.find(*n)).collect();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 94 -     return seeds.iter().map(|n| map.find(*n)).collect();
[INFO] [stdout] 94 +     seeds.iter().map(|n| map.find(*n)).collect()
[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/day5.rs:93:24
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<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] 93 - fn update_seeds(seeds: &Vec<u64>, map: Mapper) -> Vec<u64> {
[INFO] [stdout] 93 + fn update_seeds(seeds: &[u64], map: Mapper) -> Vec<u64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day6.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     return  count;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 53 -     return  count;
[INFO] [stdout] 53 +     count
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout] 49 +         Ok(Self { cards: set, points, ids: ids.iter().collect() })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |             return 7;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 56 -             return 7;
[INFO] [stdout] 56 +             7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 |             return 5;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 62 -             return 5;
[INFO] [stdout] 62 +             5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             return 3;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -             return 3;
[INFO] [stdout] 69 +             3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             return 2;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 71 -             return 2;
[INFO] [stdout] 71 +             2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:73:14
[INFO] [stdout]    |
[INFO] [stdout] 73 |              return 1;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 73 -              return 1;
[INFO] [stdout] 73 +              1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:83:13
[INFO] [stdout]    |
[INFO] [stdout] 83 |             return Ordering::Greater;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 83 -             return Ordering::Greater;
[INFO] [stdout] 83 +             Ordering::Greater
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |             return Ordering::Less;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 85 -             return Ordering::Less;
[INFO] [stdout] 85 +             Ordering::Less
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |             return Ordering::Equal;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -             return Ordering::Equal;
[INFO] [stdout] 100 +             Ordering::Equal
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         return h1.cmp(h2)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 113 -         return h1.cmp(h2)
[INFO] [stdout] 113 +         h1.cmp(h2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |         return acc + ((i+1)* h.points)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 119 -         return acc + ((i+1)* h.points)
[INFO] [stdout] 119 +         acc + ((i+1)* h.points)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 69 -         return Ok(Self { cards: set, points, ids: ids.iter().collect() });
[INFO] [stdout] 69 +         Ok(Self { cards: set, points, ids: ids.iter().collect() })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:76:13
[INFO] [stdout]    |
[INFO] [stdout] 76 |             return 7;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 76 -             return 7;
[INFO] [stdout] 76 +             7
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |             return 5;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -             return 5;
[INFO] [stdout] 82 +             5
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             return 3;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 89 -             return 3;
[INFO] [stdout] 89 +             3
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |             return 2;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 91 -             return 2;
[INFO] [stdout] 91 +             2
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day7_2.rs:93:14
[INFO] [stdout]    |
[INFO] [stdout] 93 |              return 1;
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 93 -              return 1;
[INFO] [stdout] 93 +              1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |             return Ordering::Greater;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 103 -             return Ordering::Greater;
[INFO] [stdout] 103 +             Ordering::Greater
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             return Ordering::Less;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 105 -             return Ordering::Less;
[INFO] [stdout] 105 +             Ordering::Less
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             return Ordering::Equal;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 120 -             return Ordering::Equal;
[INFO] [stdout] 120 +             Ordering::Equal
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         return h1.cmp(h2)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 133 -         return h1.cmp(h2)
[INFO] [stdout] 133 +         h1.cmp(h2)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day7_2.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         return acc + ((i+1)* h.points)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 138 -         return acc + ((i+1)* h.points)
[INFO] [stdout] 138 +         acc + ((i+1)* h.points)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         return Ok(Self { l, r, k });
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 28 -         return Ok(Self { l, r, k });
[INFO] [stdout] 28 +         Ok(Self { l, r, k })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         return (p.k.to_owned(), p);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 49 -         return (p.k.to_owned(), p);
[INFO] [stdout] 49 +         (p.k.to_owned(), p)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/day8.rs:54:18
[INFO] [stdout]    |
[INFO] [stdout] 54 |     while key != "PPP".to_owned() {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^ help: try: `"PPP"`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]    = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day8.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         total = total + t;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: replace it with: `total += t`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day8.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 |     return (key, count);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 82 -     return (key, count);
[INFO] [stdout] 82 +     (key, count)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         return (p.k.to_owned(), p);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 103 -         return (p.k.to_owned(), p);
[INFO] [stdout] 103 +         (p.k.to_owned(), p)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day8.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         total = total + t;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: replace it with: `total += t`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |             return acc;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 122 -             return acc;
[INFO] [stdout] 122 +             acc
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual backwards iteration
[INFO] [stdout]    --> src/day8.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |             if v.chars().rev().next().unwrap() == 'Z' {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: use: `.next_back()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_next_back
[INFO] [stdout]     = note: `#[warn(clippy::manual_next_back)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day8.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     return (start_keys, count, false);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 165 -     return (start_keys, count, false);
[INFO] [stdout] 165 +     (start_keys, count, false)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]  --> src/day9.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         return v.first().unwrap().to_owned();
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]   |
[INFO] [stdout] 9 -         return v.first().unwrap().to_owned();
[INFO] [stdout] 9 +         v.first().unwrap().to_owned()
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         return v.last().unwrap().to_owned();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 14 -         return v.last().unwrap().to_owned();
[INFO] [stdout] 14 +         v.last().unwrap().to_owned()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         return (Sequence::V(diff_sequence), is_same);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 34 -         return (Sequence::V(diff_sequence), is_same);
[INFO] [stdout] 34 +         (Sequence::V(diff_sequence), is_same)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 59 -         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout] 59 +         last_nums.iter().fold(0, |acc, x| acc + x)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]   --> src/day9.rs:59:33
[INFO] [stdout]    |
[INFO] [stdout] 59 |         return last_nums.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_fold)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         return last_nums.iter().rev().fold(0, |acc, x| x - acc);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 84 -         return last_nums.iter().rev().fold(0, |acc, x| x - acc);
[INFO] [stdout] 84 +         last_nums.iter().rev().fold(0, |acc, x| x - acc)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day9.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     return Sequence::V(v)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     return Sequence::V(v)
[INFO] [stdout] 92 +     Sequence::V(v)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `.fold` can be written more succinctly using another method
[INFO] [stdout]    --> src/day9.rs:100:22
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let t = s.iter().fold(0, |acc, x| acc + x);
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `sum::<i64>()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_fold
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         return count;
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 130 -         return count;
[INFO] [stdout] 130 +         count
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         return 0;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 167 -         return 0;
[INFO] [stdout] 167 +         0
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary use of `get(&(i,j)).is_none()`
[INFO] [stdout]    --> src/day10.rs:142:50
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 let is_non_loop = self.positions.get(&(i,j)).is_none();
[INFO] [stdout]     |                                   ---------------^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   help: replace it with: `!self.positions.contains_key(&(i,j))`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_get_then_check
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_get_then_check)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:182:5
[INFO] [stdout]     |
[INFO] [stdout] 182 |     return v;
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 182 -     return v;
[INFO] [stdout] 182 +     v
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day10.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 | /     return Tunnel {
[INFO] [stdout] 202 | |         start: s,
[INFO] [stdout] 203 | |         len: 0,
[INFO] [stdout] 204 | |         positions: HashMap::new(),
[INFO] [stdout] ...   |
[INFO] [stdout] 207 | |         size: (x_len, y_len),
[INFO] [stdout] 208 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 201 ~     Tunnel {
[INFO] [stdout] 202 +         start: s,
[INFO] [stdout] 203 +         len: 0,
[INFO] [stdout] 204 +         positions: HashMap::new(),
[INFO] [stdout] 205 +         map,
[INFO] [stdout] 206 +         curr: (s.0, s.1, Side::Down), // random side
[INFO] [stdout] 207 +         size: (x_len, y_len),
[INFO] [stdout] 208 ~     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |             return *c == '#' || acc;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 15 -             return *c == '#' || acc;
[INFO] [stdout] 15 +             *c == '#' || acc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `space`
[INFO] [stdout]   --> src/day11.rs:35:14
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 35 -     for i in 0..len {
[INFO] [stdout] 35 +     for (i, <item>) in space.iter().enumerate().take(len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `space`
[INFO] [stdout]   --> src/day11.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |         for j in 0..vert_len {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 37 -         for j in 0..vert_len {
[INFO] [stdout] 37 +         for <item> in space.iter().take(vert_len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     return (rows, cols);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 86 -     return (rows, cols);
[INFO] [stdout] 86 +     (rows, cols)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day11.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |             return *c == '#' || acc;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 63 -             return *c == '#' || acc;
[INFO] [stdout] 63 +             *c == '#' || acc
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `space`
[INFO] [stdout]   --> src/day11.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     for i in 0..len {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 76 -     for i in 0..len {
[INFO] [stdout] 76 +     for (i, <item>) in space.iter().enumerate().take(len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `space`
[INFO] [stdout]   --> src/day11.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |         for j in 0..vert_len {
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 78 -         for j in 0..vert_len {
[INFO] [stdout] 78 +         for <item> in space.iter().take(vert_len) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 100 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 100 -     return result;
[INFO] [stdout] 100 +     result
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 115 -     return result;
[INFO] [stdout] 115 +     result
[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/day11.rs:103:22
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn find_distances(p: &Vec<(usize,usize)>) -> Vec<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] 103 - fn find_distances(p: &Vec<(usize,usize)>) -> Vec<usize> {
[INFO] [stdout] 103 + fn find_distances(p: &[(usize,usize)]) -> Vec<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `p`
[INFO] [stdout]    --> src/day11.rs:107:18
[INFO] [stdout]     |
[INFO] [stdout] 107 |         for j in (i + 1)..p.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 107 -         for j in (i + 1)..p.len() {
[INFO] [stdout] 107 +         for <item> in p.iter().skip((i + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day11.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     return result;
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 135 -     return result;
[INFO] [stdout] 135 +     result
[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/day11.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<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] 118 - fn find_distances_with_expansions(p: &Vec<(usize,usize)>, ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout] 118 + fn find_distances_with_expansions(p: &[(usize,usize)], ex: (Vec<usize>, Vec<usize>)) -> Vec<usize> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is only used to index `p`
[INFO] [stdout]    --> src/day11.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |         for j in (i + 1)..p.len() {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]     |
[INFO] [stdout] 122 -         for j in (i + 1)..p.len() {
[INFO] [stdout] 122 +         for <item> in p.iter().skip((i + 1)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: importing legacy numeric constants
[INFO] [stdout]  --> src/day21.rs:1:73
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, sync::Arc, time::SystemTime, usize};
[INFO] [stdout]   |                                                                         ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: remove this import
[INFO] [stdout]   = note: then `usize::<CONST>` will resolve to the respective associated constant
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]   = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `(i32, i32)` which implements the `Copy` trait
[INFO] [stdout]   --> src/day21.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |             let pos = pos.clone();
[INFO] [stdout]    |                       ^^^^^^^^^^^ help: try dereferencing it: `*pos`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day21.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 return r;
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -                 return r;
[INFO] [stdout] 30 +                 r
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day21.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 98 |     return valid_states;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 98 -     return valid_states;
[INFO] [stdout] 98 +     valid_states
[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/day21.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn travel(pos: Pos, map: &Vec<Vec<Tile>>, pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[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] 51 - fn travel(pos: Pos, map: &Vec<Vec<Tile>>, pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[INFO] [stdout] 51 + fn travel(pos: Pos, map: &[Vec<Tile>], pos_cache: &mut HashMap<Pos, Vec<Pos>>) -> Vec<Pos> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/day21.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     return (map, start);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 131 -     return (map, start);
[INFO] [stdout] 131 +     (map, start)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `i` is used as a loop counter
[INFO] [stdout]    --> src/day21.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for l in lines {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^ help: consider using: `for (i, l) in lines.enumerate()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the variable `j` is used as a loop counter
[INFO] [stdout]    --> src/day21.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         for c in l.chars() {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: consider using: `for (j, c) in l.chars().enumerate()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_counter_loop
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day22.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 | /             return Brick {
[INFO] [stdout] 30 | |                 start: start_coord,
[INFO] [stdout] 31 | |                 end: end_coord,
[INFO] [stdout] 32 | |             }
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 29 ~             Brick {
[INFO] [stdout] 30 +                 start: start_coord,
[INFO] [stdout] 31 +                 end: end_coord,
[INFO] [stdout] 32 +             }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/day22.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: try
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         return !(!y_match || !x_match && !z_match) || (z_match && x_match);
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         return (z_match || x_match) && y_match || (z_match && x_match);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/day22.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 58 -         return (x_match && y_match) || (y_match && z_match) || (z_match && x_match);
[INFO] [stdout] 58 +         (x_match && y_match) || (y_match && z_match) || (z_match && x_match)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "53348b347b2b37d920818b1916c90cdba06f4b32e62add05828b869bd782e119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53348b347b2b37d920818b1916c90cdba06f4b32e62add05828b869bd782e119", kill_on_drop: false }`
[INFO] [stdout] 53348b347b2b37d920818b1916c90cdba06f4b32e62add05828b869bd782e119