[INFO] cloning repository https://github.com/alexpusch/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/alexpusch/AoC-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpusch%2FAoC-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpusch%2FAoC-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc82fbd88dc5b0e2d459db97d329fe28257c83f
[INFO] linting alexpusch/AoC-2023 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexpusch%2FAoC-2023" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alexpusch/AoC-2023
[INFO] finished tweaking git repo https://github.com/alexpusch/AoC-2023
[INFO] tweaked toml for git repo https://github.com/alexpusch/AoC-2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alexpusch/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/alexpusch/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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ffc8a780e036b585e1574245be66d715363ceefb3e5878f08d5fed73c8bf906
[INFO] running `Command { std: "docker" "start" "-a" "3ffc8a780e036b585e1574245be66d715363ceefb3e5878f08d5fed73c8bf906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ffc8a780e036b585e1574245be66d715363ceefb3e5878f08d5fed73c8bf906", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ffc8a780e036b585e1574245be66d715363ceefb3e5878f08d5fed73c8bf906", kill_on_drop: false }`
[INFO] [stdout] 3ffc8a780e036b585e1574245be66d715363ceefb3e5878f08d5fed73c8bf906
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2560d504070b07d0360b16b5d54d3f1371085a10ad5228b6bdcc708e126b2e78
[INFO] running `Command { std: "docker" "start" "-a" "2560d504070b07d0360b16b5d54d3f1371085a10ad5228b6bdcc708e126b2e78", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day16/mod.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 y: y,
[INFO] [stdout]     |                 ^^^^ help: replace it with: `y`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day16/mod.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 y: y,
[INFO] [stdout]     |                 ^^^^ help: replace it with: `y`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/day4/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day16/mod.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 y: y,
[INFO] [stdout]     |                 ^^^^ help: replace it with: `y`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/day16/mod.rs:214:17
[INFO] [stdout]     |
[INFO] [stdout] 214 |                 y: y,
[INFO] [stdout]     |                 ^^^^ help: replace it with: `y`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/day4/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cmp::{max, min},
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]   --> src/day7/mod.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |         .fold(0, |acc, (i, (hand, bid))| acc + bid * (i + 1) as u32)
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day1/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_lines` is never used
[INFO] [stdout]   --> src/day1/mod.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn decrypt_lines(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_lines2` is never used
[INFO] [stdout]   --> src/day1/mod.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn decrypt_lines2(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_line` is never used
[INFO] [stdout]   --> src/day1/mod.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn decrypt_line(line: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decrypt_line2` is never used
[INFO] [stdout]   --> src/day1/mod.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn decrypt_line2(line: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rev` is never used
[INFO] [stdout]   --> src/day1/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn rev(line: &str) -> String {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_digits` is never used
[INFO] [stdout]   --> src/day1/mod.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn get_digits(line: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_to_digit` is never used
[INFO] [stdout]   --> src/day1/mod.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn word_to_digit(word: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ROUND` is never used
[INFO] [stdout]  --> src/day14/mod.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ROUND: char = 'O';
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CUBE` is never used
[INFO] [stdout]  --> src/day14/mod.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const CUBE: char = '#';
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SparseCell` is never constructed
[INFO] [stdout]   --> src/day14/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct SparseCell {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/day14/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/day14/mod.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] 110 |     fn new(width: usize, height: usize) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn add(&mut self, cell: SparseCell) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn tilt_north(&mut self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 154 |     fn tilt_south(&mut self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     fn tilt_west(&mut self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     fn tilt_east(&mut self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 237 |     pub fn get_load(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_cycles` is never used
[INFO] [stdout]    --> src/day14/mod.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn tilt_cycles(mut board: Board, times: usize) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day15/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Op` is never used
[INFO] [stdout]   --> src/day15/mod.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Op {
[INFO] [stdout]    |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Command` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Command {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_str` is never used
[INFO] [stdout]   --> src/day15/mod.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Command {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 28 |     pub fn from_str(input: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lens` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | struct Lens {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LensBox` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct LensBox {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct Machine {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `get_focusing_power` are never used
[INFO] [stdout]   --> src/day15/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Machine {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 63 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     fn run(&mut self, commands: Vec<Command>) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn get_focusing_power(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/day15/mod.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn parse(input: &str) -> Vec<Command> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_all` is never used
[INFO] [stdout]    --> src/day15/mod.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn hash_all(input: &str) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]    --> src/day15/mod.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn hash(input: &str) -> u32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug` is never used
[INFO] [stdout]    --> src/day16/mod.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn debug(board: &Board, ray: &Ray) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day2/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/day2/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Game {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse_str` and `get_minimal_set` are never used
[INFO] [stdout]   --> src/day2/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Game {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 25 |     fn parse_str(input: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn get_minimal_set(&self) -> BallSet {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BallSet` is never constructed
[INFO] [stdout]   --> src/day2/mod.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct BallSet {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse_str` and `get_power` are never used
[INFO] [stdout]   --> src/day2/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl BallSet {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 63 |     fn parse_str(input: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn get_power(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameRule` is never constructed
[INFO] [stdout]   --> src/day2/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct GameRule {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_game_possible` is never used
[INFO] [stdout]    --> src/day2/mod.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 103 | impl GameRule {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] 104 |     fn is_game_possible(&self, game: &Game) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_games` is never used
[INFO] [stdout]    --> src/day2/mod.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn parse_games(input: &str) -> impl Iterator<Item = Game> + '_ {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_possible_games` is never used
[INFO] [stdout]    --> src/day2/mod.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn get_possible_games(input: &str, game_rules: GameRule) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_games_power` is never used
[INFO] [stdout]    --> src/day2/mod.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn get_games_power(input: &str) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day3/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_part_number_sum` is never used
[INFO] [stdout]   --> src/day3/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn get_part_number_sum(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_gear_ratio_sum` is never used
[INFO] [stdout]   --> src/day3/mod.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn get_gear_ratio_sum(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coord` is never constructed
[INFO] [stdout]   --> src/day3/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Coord(i32, i32);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SymbolPos` is never constructed
[INFO] [stdout]   --> src/day3/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct SymbolPos {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumberPos` is never constructed
[INFO] [stdout]   --> src/day3/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct NumberPos {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/day3/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Board {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_part_numbers`, `is_near_any_symbol`, `is_near_symbol`, and `get_gears` are never used
[INFO] [stdout]   --> src/day3/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] 52 |     pub fn get_part_numbers(&self) -> Vec<u32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn is_near_any_symbol(&self, number_pos: &NumberPos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 70 |     pub fn is_near_symbol(&self, number_pos: &NumberPos, symbol_pos: &SymbolPos) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn get_gears(&self) -> Vec<(SymbolPos, u32, u32)> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/day3/mod.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn parse(input: &str) -> Board {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day4/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/day4/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Card {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str`, `get_winning_numbers_len`, and `get_score` are never used
[INFO] [stdout]   --> src/day4/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |     fn from_str(line: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn get_winning_numbers_len(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn get_score(&self) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sum_scores` is never used
[INFO] [stdout]   --> src/day4/mod.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn get_sum_scores(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]   --> src/day4/mod.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn part_2(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day5/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]   --> src/day5/mod.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn part_1(
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]   --> src/day5/mod.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn part_2(
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapRange` is never constructed
[INFO] [stdout]   --> src/day5/mod.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct MapRange {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str` and `get_mapping` are never used
[INFO] [stdout]   --> src/day5/mod.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl MapRange {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 83 |     fn from_str(input: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn get_mapping(&self, source: u64) -> Option<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MapRanges` is never constructed
[INFO] [stdout]    --> src/day5/mod.rs:107:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct MapRanges(Vec<MapRange>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str`, `get_mapping`, and `get_containing_range` are never used
[INFO] [stdout]    --> src/day5/mod.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | impl MapRanges {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 110 |     fn from_str(input: &str) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn get_mapping(&self, source: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn get_containing_range(&self, source: u64) -> Option<MapRange> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Alamanc` is never constructed
[INFO] [stdout]    --> src/day5/mod.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Alamanc {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `get_loc`, `get_min_loc`, `get_next_range_equal_len`, and `get_min_loc2` are never used
[INFO] [stdout]    --> src/day5/mod.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | impl Alamanc {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout] 155 |     fn parse(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 182 |     fn get_loc(&self, seed: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 194 |     fn get_min_loc(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 198 |     fn get_next_range_equal_len(&self, seed: u64) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 243 |     fn get_min_loc2(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day6/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_number_of_ways` is never used
[INFO] [stdout]   --> src/day6/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn get_number_of_ways(time: f64, best_dist: f64) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day7/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/day7/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse(input: &str) -> Vec<(Hand, u32)> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_jokers` is never used
[INFO] [stdout]   --> src/day7/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_jokers(input: &str) -> Vec<(HandJoker, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_score` is never used
[INFO] [stdout]   --> src/day7/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn get_score(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_score_jokers` is never used
[INFO] [stdout]   --> src/day7/mod.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn get_score_jokers(input: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/day7/mod.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Card(u32);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]   --> src/day7/mod.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | impl Card {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 65 |     fn from_char(c: char) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/day7/mod.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 | struct Hand(Vec<Card>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str`, `to_sets`, and `rank` are never used
[INFO] [stdout]   --> src/day7/mod.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Hand {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 83 |     fn from_str(input: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn to_sets(&self) -> HashMap<Card, u32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn rank(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HandJoker` is never constructed
[INFO] [stdout]    --> src/day7/mod.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct HandJoker(Vec<CardJoker>);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str`, `to_sets`, and `rank` are never used
[INFO] [stdout]    --> src/day7/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl HandJoker {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout] 134 |     fn from_str(input: &str) -> Self {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn to_sets(&self) -> HashMap<CardJoker, u32> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn rank(&self) -> u32 {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CardJoker` is never constructed
[INFO] [stdout]    --> src/day7/mod.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 | struct CardJoker(u32);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]    --> src/day7/mod.rs:200:8
[INFO] [stdout]     |
[INFO] [stdout] 199 | impl CardJoker {
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] 200 |     fn from_char(c: char) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day8/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day8/mod.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_char` is never used
[INFO] [stdout]   --> src/day8/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Direction {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 21 |     fn from_char(c: char) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/day8/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Simulation` is never constructed
[INFO] [stdout]   --> src/day8/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Simulation {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from_str`, `run`, `get_next`, `run_from`, and `run_part2` are never used
[INFO] [stdout]    --> src/day8/mod.rs:44:8
[INFO] [stdout]     |
[INFO] [stdout]  43 | impl Simulation {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  44 |     fn from_str(input: &str) -> Simulation {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn run(&self) -> u64 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn get_next(&self, instruction_i: usize, from_node: &Node) -> &Node {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn run_from(&self, instruction_i: usize, from: &str) -> (usize, &Node) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn run_part2(&self) -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day1/mod.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Regex::new(&r"(\d|enin|thgie|neves|xis|evif|ruof|eerht|owt|eno|orez)").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `r"(\d|enin|thgie|neves|xis|evif|ruof|eerht|owt|eno|orez)"`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day1/mod.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let last = word_to_digit(&rev(&reverse_regex.find(&rev_line).unwrap().as_str()));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `reverse_regex.find(&rev_line).unwrap().as_str()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/day1/mod.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if let Some(value) = word.chars().nth(0).and_then(|c| c.to_digit(10)) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `word.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]   --> src/day14/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl ToString for SparseCell {
[INFO] [stdout] 33 | |     fn to_string(&self) -> String {
[INFO] [stdout] 34 | |         self.symbol.to_string()
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: prefer implementing `Display` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]    = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]   --> src/day14/mod.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> std::fmt::Debug for Board {
[INFO] [stdout]    |      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]   --> src/day7/mod.rs:46:29
[INFO] [stdout]    |
[INFO] [stdout] 46 |         .fold(0, |acc, (i, (hand, bid))| acc + bid * (i + 1) as u32)
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]   --> src/day14/mod.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<'a> FromStr for Board {
[INFO] [stdout]    |      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day1/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day15/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug` is never used
[INFO] [stdout]    --> src/day16/mod.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn debug(board: &Board, ray: &Ray) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day2/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day3/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coord` is never constructed
[INFO] [stdout]   --> src/day3/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Coord(i32, i32);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day4/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day5/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day6/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day7/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day8/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day1/mod.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         Regex::new(&r"(\d|enin|thgie|neves|xis|evif|ruof|eerht|owt|eno|orez)").unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `r"(\d|enin|thgie|neves|xis|evif|ruof|eerht|owt|eno|orez)"`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]   --> src/day1/mod.rs:58:35
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let last = word_to_digit(&rev(&reverse_regex.find(&rev_line).unwrap().as_str()));
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `reverse_regex.find(&rev_line).unwrap().as_str()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/day1/mod.rs:65:30
[INFO] [stdout]    |
[INFO] [stdout] 65 |         if let Some(value) = word.chars().nth(0).and_then(|c| c.to_digit(10)) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `word.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]    --> src/day14/mod.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |               return loads
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 269 | |                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout] 270 | |                 .unwrap()
[INFO] [stdout] 271 | |                 .clone();
[INFO] [stdout]     | |________________________^
[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] help: try dereferencing it
[INFO] [stdout]     |
[INFO] [stdout] 268 ~             return *loads
[INFO] [stdout] 269 +                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout] 270 ~                 .unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct implementation of `ToString`
[INFO] [stdout]   --> src/day14/mod.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl ToString for SparseCell {
[INFO] [stdout] 33 | |     fn to_string(&self) -> String {
[INFO] [stdout] 34 | |         self.symbol.to_string()
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: prefer implementing `Display` instead
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_trait_impl
[INFO] [stdout]    = note: `#[warn(clippy::to_string_trait_impl)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]   --> src/day14/mod.rs:47:6
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> std::fmt::Debug for Board {
[INFO] [stdout]    |      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout]    = note: `#[warn(clippy::extra_unused_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/day14/mod.rs:269:32
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `last_cycle_reminder`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this lifetime isn't used in the impl
[INFO] [stdout]   --> src/day14/mod.rs:66:6
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl<'a> FromStr for Board {
[INFO] [stdout]    |      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]    --> src/day14/mod.rs:268:20
[INFO] [stdout]     |
[INFO] [stdout] 268 |               return loads
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 269 | |                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout] 270 | |                 .unwrap()
[INFO] [stdout] 271 | |                 .clone();
[INFO] [stdout]     | |________________________^
[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] help: try dereferencing it
[INFO] [stdout]     |
[INFO] [stdout] 268 ~             return *loads
[INFO] [stdout] 269 +                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout] 270 ~                 .unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`usize` -> `usize`)
[INFO] [stdout]    --> src/day14/mod.rs:269:32
[INFO] [stdout]     |
[INFO] [stdout] 269 |                 .get(cycle_i + last_cycle_reminder as usize - 1)
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `last_cycle_reminder`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_cast)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let next_rays = step(&board, ray);
[INFO] [stdout]     |                              ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day2/mod.rs:119:52
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .filter(|game| game_rules.is_game_possible(&game))
[INFO] [stdout]     |                                                    ^^^^^ help: change this to: `game`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:176:13
[INFO] [stdout]     |
[INFO] [stdout] 176 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:187:13
[INFO] [stdout]     |
[INFO] [stdout] 187 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/day3/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 | |                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[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] 71 -         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 -                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[INFO] [stdout] 71 +         !(number_pos.y != symbol_pos.y || number_pos.start_x - 1 != symbol_pos.x && number_pos.end_x + 1 != symbol_pos.x) // symbol on the right
[INFO] [stdout]    |
[INFO] [stdout] 71 -         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 -                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[INFO] [stdout] 71 +         (number_pos.end_x + 1 == symbol_pos.x || number_pos.start_x - 1 == symbol_pos.x) && number_pos.y == symbol_pos.y // symbol on the right
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:200:13
[INFO] [stdout]     |
[INFO] [stdout] 200 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:211:13
[INFO] [stdout]     |
[INFO] [stdout] 211 |             &board,
[INFO] [stdout]     |             ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day16/mod.rs:238:30
[INFO] [stdout]     |
[INFO] [stdout] 238 |         let next_rays = step(&board, ray);
[INFO] [stdout]     |                              ^^^^^^ help: change this to: `board`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/day3/mod.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 | /         assert_eq!(
[INFO] [stdout] 216 | |             board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] 217 | |                 number: 58,
[INFO] [stdout] 218 | |                 start_x: 7,
[INFO] [stdout] ...   |
[INFO] [stdout] 222 | |             false
[INFO] [stdout] 223 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 215 ~         assert!(
[INFO] [stdout] 216 ~             !board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] 217 |                 number: 58,
[INFO] [stdout] ...
[INFO] [stdout] 220 |                 y: 5
[INFO] [stdout] 221 ~             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/day3/mod.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 | /         assert_eq!(
[INFO] [stdout] 225 | |             board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] 226 | |                 number: 35,
[INFO] [stdout] 227 | |                 start_x: 2,
[INFO] [stdout] ...   |
[INFO] [stdout] 231 | |             true
[INFO] [stdout] 232 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 224 ~         assert!(
[INFO] [stdout] 225 |             board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] ...
[INFO] [stdout] 229 |                 y: 2
[INFO] [stdout] 230 ~             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/day3/mod.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 | /         assert_eq!(
[INFO] [stdout] 234 | |             board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] 235 | |                 number: 633,
[INFO] [stdout] 236 | |                 start_x: 6,
[INFO] [stdout] ...   |
[INFO] [stdout] 240 | |             true
[INFO] [stdout] 241 | |         );
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 233 ~         assert!(
[INFO] [stdout] 234 |             board.is_near_any_symbol(&NumberPos {
[INFO] [stdout] ...
[INFO] [stdout] 238 |                 y: 2
[INFO] [stdout] 239 ~             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]   --> src/day4/mod.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let copies = copies_by_card.get(&card.id).unwrap().clone();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*copies_by_card.get(&card.id).unwrap()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]   --> src/day4/mod.rs:89:69
[INFO] [stdout]    |
[INFO] [stdout] 89 |             for next_card_i in (card.id + 1)..(min(card.id + 1 + w, cards_len as u32 + 1)) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: try: `cards_len`
[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: manual implementation of an assign operation
[INFO] [stdout]   --> src/day4/mod.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     .and_modify(|n| *n = *n + 1u32);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ help: replace it with: `*n += 1u32`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day2/mod.rs:119:52
[INFO] [stdout]     |
[INFO] [stdout] 119 |         .filter(|game| game_rules.is_game_possible(&game))
[INFO] [stdout]     |                                                    ^^^^^ help: change this to: `game`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (8/7)
[INFO] [stdout]   --> src/day5/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / fn part_1(
[INFO] [stdout] 28 | |     seeds: &str,
[INFO] [stdout] 29 | |     seeds_to_soil: &str,
[INFO] [stdout] 30 | |     soil_to_fert: &str,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     hum_to_loc: &str,
[INFO] [stdout] 36 | | ) -> u64 {
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout]    = note: `#[warn(clippy::too_many_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (8/7)
[INFO] [stdout]   --> src/day5/mod.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / fn part_2(
[INFO] [stdout] 52 | |     seeds: &str,
[INFO] [stdout] 53 | |     seeds_to_soil: &str,
[INFO] [stdout] 54 | |     soil_to_fert: &str,
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     hum_to_loc: &str,
[INFO] [stdout] 60 | | ) -> u64 {
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (8/7)
[INFO] [stdout]    --> src/day5/mod.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     fn parse(
[INFO] [stdout] 156 | |         seeds: &str,
[INFO] [stdout] 157 | |         seeds_to_soil: &str,
[INFO] [stdout] 158 | |         soil_to_fert: &str,
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         hum_to_loc: &str,
[INFO] [stdout] 164 | |     ) -> Self {
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/day5/mod.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let loc = self.hum_to_loc.get_mapping(hum);
[INFO] [stdout]     |         ------------------------------------------- unnecessary `let` binding
[INFO] [stdout] 190 |
[INFO] [stdout] 191 |         loc
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 189 ~         
[INFO] [stdout] 190 |
[INFO] [stdout] 191 ~         self.hum_to_loc.get_mapping(hum)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u64` which implements the `Copy` trait
[INFO] [stdout]    --> src/day5/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | /         [
[INFO] [stdout] 229 | |             remining_soil_range,
[INFO] [stdout] 230 | |             remining_fert_range,
[INFO] [stdout] 231 | |             remining_water_range,
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |         .unwrap()
[INFO] [stdout] 240 | |         .clone()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] help: try dereferencing it
[INFO] [stdout]     |
[INFO] [stdout] 228 ~         *[
[INFO] [stdout] 229 +             remining_soil_range,
[INFO] [stdout] 230 +             remining_fert_range,
[INFO] [stdout] 231 +             remining_water_range,
[INFO] [stdout] 232 +             remining_light_range,
[INFO] [stdout] 233 +             remining_temp_range,
[INFO] [stdout] 234 +             remining_hum_range,
[INFO] [stdout] 235 +             remining_loc_range,
[INFO] [stdout] 236 +         ]
[INFO] [stdout] 237 +         .iter()
[INFO] [stdout] 238 +         .min()
[INFO] [stdout] 239 +         .unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/day3/mod.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | /         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 | |                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[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] 71 -         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 -                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[INFO] [stdout] 71 +         !(number_pos.y != symbol_pos.y || number_pos.start_x - 1 != symbol_pos.x && number_pos.end_x + 1 != symbol_pos.x) // symbol on the right
[INFO] [stdout]    |
[INFO] [stdout] 71 -         (number_pos.start_x - 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the left
[INFO] [stdout] 72 -                 || (number_pos.end_x + 1 == symbol_pos.x && number_pos.y == symbol_pos.y) // symbol on the right
[INFO] [stdout] 71 +         (number_pos.end_x + 1 == symbol_pos.x || number_pos.start_x - 1 == symbol_pos.x) && number_pos.y == symbol_pos.y // symbol on the right
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day5/mod.rs:261:21
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     cur = cur + jump;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `cur += jump`
[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: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day6/mod.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let t1 = (-1. * time + (time * time - 4. * best_dist).sqrt()) / -2.;
[INFO] [stdout]    |               ^^^^^^^^^^ help: consider using: `-time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout]    = note: `#[warn(clippy::neg_multiply)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day6/mod.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let t2 = (-1. * time - (time * time - 4. * best_dist).sqrt()) / -2.;
[INFO] [stdout]    |               ^^^^^^^^^^ help: consider using: `-time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day7/mod.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 .and_modify(|c| *c = *c + 1)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: replace it with: `*c += 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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day7/mod.rs:103:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |         sorted_sets.sort_by(|a, b| b.1.cmp(&a.1));
[INFO] [stdout]     |                                            ^^^^ help: change this to: `a.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `sorted_sets.get(0)`
[INFO] [stdout]    --> src/day7/mod.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |         match (sorted_sets.get(0), sorted_sets.get(1), sorted_sets.get(2)) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: try: `sorted_sets.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]     = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day7/mod.rs:143:33
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 .and_modify(|c| *c = *c + 1)
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: replace it with: `*c += 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: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]    --> src/day7/mod.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let jokers = jokers.clone();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: try dereferencing it: `*jokers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day7/mod.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 *max_set.1 = *max_set.1 + jokers;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*max_set.1 += jokers`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day7/mod.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |         sorted_sets.sort_by(|a, b| b.1.cmp(&a.1));
[INFO] [stdout]     |                                            ^^^^ help: change this to: `a.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `sorted_sets.get(0)`
[INFO] [stdout]    --> src/day7/mod.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match (sorted_sets.get(0), sorted_sets.get(1), sorted_sets.get(2)) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: try: `sorted_sets.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]   --> src/day4/mod.rs:86:22
[INFO] [stdout]    |
[INFO] [stdout] 86 |         let copies = copies_by_card.get(&card.id).unwrap().clone();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*copies_by_card.get(&card.id).unwrap()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: casting to the same type is unnecessary (`u32` -> `u32`)
[INFO] [stdout]   --> src/day4/mod.rs:89:69
[INFO] [stdout]    |
[INFO] [stdout] 89 |             for next_card_i in (card.id + 1)..(min(card.id + 1 + w, cards_len as u32 + 1)) {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^ help: try: `cards_len`
[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: manual implementation of an assign operation
[INFO] [stdout]   --> src/day4/mod.rs:92:37
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     .and_modify(|n| *n = *n + 1u32);
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^ help: replace it with: `*n += 1u32`
[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: this function has too many arguments (8/7)
[INFO] [stdout]   --> src/day5/mod.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | / fn part_1(
[INFO] [stdout] 28 | |     seeds: &str,
[INFO] [stdout] 29 | |     seeds_to_soil: &str,
[INFO] [stdout] 30 | |     soil_to_fert: &str,
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     hum_to_loc: &str,
[INFO] [stdout] 36 | | ) -> u64 {
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout]    = note: `#[warn(clippy::too_many_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (8/7)
[INFO] [stdout]   --> src/day5/mod.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / fn part_2(
[INFO] [stdout] 52 | |     seeds: &str,
[INFO] [stdout] 53 | |     seeds_to_soil: &str,
[INFO] [stdout] 54 | |     soil_to_fert: &str,
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |     hum_to_loc: &str,
[INFO] [stdout] 60 | | ) -> u64 {
[INFO] [stdout]    | |________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day8/mod.rs:81:38
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut cur = self.graph.get("AAA".into()).unwrap();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ help: consider removing `.into()`: `"AAA"`
[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: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/day8/mod.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         while cur.text != "ZZZ".to_string() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: try: `"ZZZ"`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day8/mod.rs:113:56
[INFO] [stdout]     |
[INFO] [stdout] 113 |             cur = self.get_next(instruction_i + delta, &cur);
[INFO] [stdout]     |                                                        ^^^^ help: change this to: `cur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day8/mod.rs:135:51
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let next = self.get_next(n_steps, &z_node);
[INFO] [stdout]     |                                                   ^^^^^^^ help: change this to: `z_node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this function has too many arguments (8/7)
[INFO] [stdout]    --> src/day5/mod.rs:155:5
[INFO] [stdout]     |
[INFO] [stdout] 155 | /     fn parse(
[INFO] [stdout] 156 | |         seeds: &str,
[INFO] [stdout] 157 | |         seeds_to_soil: &str,
[INFO] [stdout] 158 | |         soil_to_fert: &str,
[INFO] [stdout] ...   |
[INFO] [stdout] 163 | |         hum_to_loc: &str,
[INFO] [stdout] 164 | |     ) -> Self {
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_many_arguments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]    --> src/day5/mod.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 189 |         let loc = self.hum_to_loc.get_mapping(hum);
[INFO] [stdout]     |         ------------------------------------------- unnecessary `let` binding
[INFO] [stdout] 190 |
[INFO] [stdout] 191 |         loc
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]     = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]     |
[INFO] [stdout] 189 ~         
[INFO] [stdout] 190 |
[INFO] [stdout] 191 ~         self.hum_to_loc.get_mapping(hum)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `u64` which implements the `Copy` trait
[INFO] [stdout]    --> src/day5/mod.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 | /         [
[INFO] [stdout] 229 | |             remining_soil_range,
[INFO] [stdout] 230 | |             remining_fert_range,
[INFO] [stdout] 231 | |             remining_water_range,
[INFO] [stdout] ...   |
[INFO] [stdout] 239 | |         .unwrap()
[INFO] [stdout] 240 | |         .clone()
[INFO] [stdout]     | |________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] help: try dereferencing it
[INFO] [stdout]     |
[INFO] [stdout] 228 ~         *[
[INFO] [stdout] 229 +             remining_soil_range,
[INFO] [stdout] 230 +             remining_fert_range,
[INFO] [stdout] 231 +             remining_water_range,
[INFO] [stdout] 232 +             remining_light_range,
[INFO] [stdout] 233 +             remining_temp_range,
[INFO] [stdout] 234 +             remining_hum_range,
[INFO] [stdout] 235 +             remining_loc_range,
[INFO] [stdout] 236 +         ]
[INFO] [stdout] 237 +         .iter()
[INFO] [stdout] 238 +         .min()
[INFO] [stdout] 239 +         .unwrap()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day5/mod.rs:261:21
[INFO] [stdout]     |
[INFO] [stdout] 261 |                     cur = cur + jump;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^ help: replace it with: `cur += jump`
[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: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day6/mod.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let t1 = (-1. * time + (time * time - 4. * best_dist).sqrt()) / -2.;
[INFO] [stdout]    |               ^^^^^^^^^^ help: consider using: `-time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout]    = note: `#[warn(clippy::neg_multiply)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this multiplication by -1 can be written more succinctly
[INFO] [stdout]   --> src/day6/mod.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let t2 = (-1. * time - (time * time - 4. * best_dist).sqrt()) / -2.;
[INFO] [stdout]    |               ^^^^^^^^^^ help: consider using: `-time`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#neg_multiply
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> src/day7/mod.rs:92:33
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 .and_modify(|c| *c = *c + 1)
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: replace it with: `*c += 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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day7/mod.rs:103:44
[INFO] [stdout]     |
[INFO] [stdout] 103 |         sorted_sets.sort_by(|a, b| b.1.cmp(&a.1));
[INFO] [stdout]     |                                            ^^^^ help: change this to: `a.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `sorted_sets.get(0)`
[INFO] [stdout]    --> src/day7/mod.rs:105:16
[INFO] [stdout]     |
[INFO] [stdout] 105 |         match (sorted_sets.get(0), sorted_sets.get(1), sorted_sets.get(2)) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: try: `sorted_sets.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout]     = note: `#[warn(clippy::get_first)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day7/mod.rs:143:33
[INFO] [stdout]     |
[INFO] [stdout] 143 |                 .and_modify(|c| *c = *c + 1)
[INFO] [stdout]     |                                 ^^^^^^^^^^^ help: replace it with: `*c += 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: using `clone` on type `u32` which implements the `Copy` trait
[INFO] [stdout]    --> src/day7/mod.rs:151:30
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 let jokers = jokers.clone();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^ help: try dereferencing it: `*jokers`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]    --> src/day7/mod.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 *max_set.1 = *max_set.1 + jokers;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `*max_set.1 += jokers`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day7/mod.rs:167:44
[INFO] [stdout]     |
[INFO] [stdout] 167 |         sorted_sets.sort_by(|a, b| b.1.cmp(&a.1));
[INFO] [stdout]     |                                            ^^^^ help: change this to: `a.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: accessing first element with `sorted_sets.get(0)`
[INFO] [stdout]    --> src/day7/mod.rs:171:16
[INFO] [stdout]     |
[INFO] [stdout] 171 |         match (sorted_sets.get(0), sorted_sets.get(1), sorted_sets.get(2)) {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^ help: try: `sorted_sets.first()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_first
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `&str`
[INFO] [stdout]   --> src/day8/mod.rs:81:38
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let mut cur = self.graph.get("AAA".into()).unwrap();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^ help: consider removing `.into()`: `"AAA"`
[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: this creates an owned instance just for comparison
[INFO] [stdout]   --> src/day8/mod.rs:84:27
[INFO] [stdout]    |
[INFO] [stdout] 84 |         while cur.text != "ZZZ".to_string() {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^ help: try: `"ZZZ"`
[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: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day8/mod.rs:113:56
[INFO] [stdout]     |
[INFO] [stdout] 113 |             cur = self.get_next(instruction_i + delta, &cur);
[INFO] [stdout]     |                                                        ^^^^ help: change this to: `cur`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/day8/mod.rs:135:51
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 let next = self.get_next(n_steps, &z_node);
[INFO] [stdout]     |                                                   ^^^^^^^ help: change this to: `z_node`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "2560d504070b07d0360b16b5d54d3f1371085a10ad5228b6bdcc708e126b2e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2560d504070b07d0360b16b5d54d3f1371085a10ad5228b6bdcc708e126b2e78", kill_on_drop: false }`
[INFO] [stdout] 2560d504070b07d0360b16b5d54d3f1371085a10ad5228b6bdcc708e126b2e78