[INFO] cloning repository https://github.com/hangj/adevent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hangj/adevent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangj%2Fadevent-of-code-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangj%2Fadevent-of-code-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59980f505c969fdfb8cd43d183caf11246f8f39b
[INFO] testing hangj/adevent-of-code-2023 against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhangj%2Fadevent-of-code-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/hangj/adevent-of-code-2023
[INFO] finished tweaking git repo https://github.com/hangj/adevent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/hangj/adevent-of-code-2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hangj/adevent-of-code-2023 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hangj/adevent-of-code-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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded literal-enum v0.1.5
[INFO] [stderr]   Downloaded thiserror v1.0.51
[INFO] [stderr]   Downloaded cached_proc_macro v0.18.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.51
[INFO] [stderr]   Downloaded proc-macro2 v1.0.70
[INFO] [stderr]   Downloaded permutator v0.4.3
[INFO] [stderr]   Downloaded cached v0.46.1
[INFO] [stderr]   Downloaded zerocopy v0.7.31
[INFO] [stderr]   Downloaded zerocopy-derive v0.7.31
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1e6782146afe69e21b9cdfe57a8eb6c20c836a23c819676718c2688f5881ce3
[INFO] running `Command { std: "docker" "start" "-a" "b1e6782146afe69e21b9cdfe57a8eb6c20c836a23c819676718c2688f5881ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1e6782146afe69e21b9cdfe57a8eb6c20c836a23c819676718c2688f5881ce3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1e6782146afe69e21b9cdfe57a8eb6c20c836a23c819676718c2688f5881ce3", kill_on_drop: false }`
[INFO] [stdout] b1e6782146afe69e21b9cdfe57a8eb6c20c836a23c819676718c2688f5881ce3
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f26e6866dd7edb2d4834cd83dff9574bcf890fd1c12ff59e72f7f41a880fa0f6
[INFO] running `Command { std: "docker" "start" "-a" "f26e6866dd7edb2d4834cd83dff9574bcf890fd1c12ff59e72f7f41a880fa0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling ahash v0.8.6
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling zerocopy v0.7.31
[INFO] [stderr]    Compiling thiserror v1.0.51
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling num-complex v0.4.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling permutator v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.51
[INFO] [stderr]    Compiling literal-enum v0.1.5
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling cached_proc_macro v0.18.1
[INFO] [stderr]    Compiling cached v0.46.1
[INFO] [stderr]    Compiling advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/day03/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::{Range, Index}, collections::HashSet};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `vec`
[INFO] [stdout]  --> src/day05/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashSet, HashMap}, str::FromStr, ops::Range, vec};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day08/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `HashMap`, and `Weak`
[INFO] [stdout]  --> src/day10/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, sync::{Arc, Weak}};
[INFO] [stdout]   |                         ^^^^^^^                   ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hint`
[INFO] [stdout]  --> src/day11/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, hint};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `permutator::Combination`
[INFO] [stdout]  --> src/day12/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use permutator::Combination;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/day14/mod.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day18/mod.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{str::FromStr, collections::{HashSet, HashMap}};
[INFO] [stdout]   |                                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day18/part2.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fmt::Display};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque`, `default`, and `hash_map::DefaultHasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day21/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/day19/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout]  74 | /             loop {
[INFO] [stdout]  75 | |                 let flow = workflows.get(work_label).unwrap();
[INFO] [stdout]  76 | |                 for rule in flow.rules.iter() {
[INFO] [stdout]  77 | |                     match rule {
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 102 |               0
[INFO] [stdout]     |               ^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/day24/mod.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |             return Some(FPos{x, y, z: 0.})
[INFO] [stdout]    |             ------------------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 97 |         None
[INFO] [stdout]    |         ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:92
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cur_pipe`
[INFO] [stdout]    --> src/day10/mod.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let cur_pipe = cur_node.pipe.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_pipe`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/day18/part2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut count = 0;
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/day18/part2.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             count += 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_steps`
[INFO] [stdout]    --> src/day18/part2.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let p2_steps = i32::from_str_radix(&color[..5], 16).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_dir`
[INFO] [stdout]    --> src/day18/part2.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |             let p2_dir = match &color[5..] {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]    --> src/day20/mod.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:115:41
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this_start`
[INFO] [stdout]    --> src/day23/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let this_start = start;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_this_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_start_end` is never used
[INFO] [stdout]   --> src/day03/mod.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_start_end(line: &str, idx: usize) -> Range<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_num` is never used
[INFO] [stdout]   --> src/day03/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_num(arr: &Vec<&str>, row: usize, col: usize) -> HashSet<Num> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_next_number` is never used
[INFO] [stdout]  --> src/day09/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn generate_next_number(arr: Vec<i64>) -> (i64, i64) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_outside_at_inner_angle` is never used
[INFO] [stdout]   --> src/day10/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 11 |     // 外侧是否在内角的方向
[INFO] [stdout] 12 |     fn is_outside_at_inner_angle(&self) -> Result<bool, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_outside_direction`, `calc_inner_count`, and `traverse_inner` are never used
[INFO] [stdout]    --> src/day10/mod.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl Maze {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 289 |     fn update_outside_direction(&mut self, row: usize, col: usize, direction: Direction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 393 |     fn calc_inner_count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     fn traverse_inner(&self, inner_nodes: &mut HashSet<(usize, usize)>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_maze_border` is never used
[INFO] [stdout]    --> src/day10/mod.rs:717:4
[INFO] [stdout]     |
[INFO] [stdout] 717 | fn find_maze_border(maze: &mut Vec<Vec<Node>>, idx: (usize, usize)) -> Idx {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day11/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `distance` are never used
[INFO] [stdout]   --> src/day11/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn distance(&self, other: &Pos, empty_rows: &HashSet<usize>, empty_cols: &HashSet<usize>) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]  --> src/day12/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn calc(mut pre: String, record: &str, groups: &[usize]) -> usize {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_match` is never used
[INFO] [stdout]   --> src/day12/mod.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn is_match(cond: &[char], records: &[usize]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_count` is never used
[INFO] [stdout]   --> src/day12/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn match_count(cond: Vec<char>, records: Vec<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]    --> src/day12/mod.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn part_1(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]    --> src/day12/mod.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn part_2(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combination` is never used
[INFO] [stdout]    --> src/day12/mod.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn combination(n: usize, k: usize) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_combination` is never used
[INFO] [stdout]    --> src/day12/mod.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn do_combination(final_ret: &mut Vec<Vec<usize>>, mut cur_vec: Vec<usize>, n: usize, k: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MirrorType` is never used
[INFO] [stdout]  --> src/day13/mod.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum MirrorType{
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuck_1` is never used
[INFO] [stdout]  --> src/day13/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fuck_1(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuck_2` is never used
[INFO] [stdout]   --> src/day13/mod.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn fuck_2(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]    --> src/day13/mod.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn part_1(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]    --> src/day13/mod.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn part_2(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_north` is never used
[INFO] [stdout]  --> src/day14/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn tilt_north(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_west` is never used
[INFO] [stdout]   --> src/day14/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn tilt_west(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_south` is never used
[INFO] [stdout]   --> src/day14/mod.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn tilt_south(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_east` is never used
[INFO] [stdout]   --> src/day14/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tilt_east(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/day14/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn rotate<T>(vec2d: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]   --> src/day14/mod.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn sort<F>(v: &mut [char], compare: F)
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]  --> src/day15/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn hash(s: &str) -> usize {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lens` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Lens {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct HashMap {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/day15/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl HashMap {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn update(&mut self, s: &'static str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day16/mod.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Tile {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day16/mod.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Beam` is never constructed
[INFO] [stdout]   --> src/day16/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Beam {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `heading_next` are never used
[INFO] [stdout]   --> src/day16/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Beam {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(row: usize, col: usize, direction: Direction) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn heading_next(&self, contraption: &Contraption) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Contraption` is never constructed
[INFO] [stdout]    --> src/day16/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct Contraption {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day16/mod.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl Contraption {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 125 |     pub fn new(tiles: Vec<Vec<char>>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_energized_tiles` is never used
[INFO] [stdout]    --> src/day16/mod.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn calc_energized_tiles(beam: Beam, contraption: &Contraption) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_no_dir_len_limit` is never used
[INFO] [stdout]  --> src/day17/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn calc_no_dir_len_limit(map: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day17/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Pos {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day17/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 70 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]   --> src/day17/mod.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum Dir {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day17/mod.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn calc(map: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_calc` is never used
[INFO] [stdout]   --> src/day17/mod.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn do_calc(map: &Vec<Vec<usize>>, path: BTreeSet<Pos>, pos: Pos, dir: Dir, count: i32) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/mod.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn solve(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]  --> src/day18/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Dir {
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DigCmd` is never constructed
[INFO] [stdout]   --> src/day18/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct DigCmd {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day18/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DigCmd {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 34 |     fn new(dir: Dir, steps: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/day18/part2.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vertex {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day18/part2.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Vertex {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(row: i32, col: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/day18/part2.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day18/part2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn calc(cmds: Vec<DigCmd>) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_calc` is never used
[INFO] [stdout]    --> src/day18/part2.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn do_calc(hashes: &mut HashMap<Vertex, Node>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day18/part2.rs:374:4
[INFO] [stdout]     |
[INFO] [stdout] 374 | fn solve(input: &str) -> i32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Label` is never used
[INFO] [stdout]  --> src/day19/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Label = String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condition` is never constructed
[INFO] [stdout]  --> src/day19/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Condition {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rule` is never used
[INFO] [stdout]   --> src/day19/mod.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum Rule {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Workflow` is never constructed
[INFO] [stdout]   --> src/day19/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Workflow {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Rating` is never used
[INFO] [stdout]   --> src/day19/mod.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | type Rating = HashMap<Label, i32>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day19/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn calc(workflows: &HashMap<Label, Workflow>, ratings: Vec<Rating>) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_combinations` is never used
[INFO] [stdout]    --> src/day19/mod.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calc_combinations(workflows: &HashMap<Label, Workflow>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_mut` are never used
[INFO] [stdout]    --> src/day19/mod.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     impl Comb {
[INFO] [stdout]     |     --------- associated items in this implementation
[INFO] [stdout] 116 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         fn get_mut(&mut self, s: &str) -> &mut Range<i32> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/day19/mod.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn parse(input: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OnRecvPulse` is never used
[INFO] [stdout]  --> src/day20/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait OnRecvPulse {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pulse` is never used
[INFO] [stdout]  --> src/day20/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Pulse {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlipFlopState` is never used
[INFO] [stdout]   --> src/day20/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum FlipFlopState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mail` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Mail {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day20/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Mail {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 31 |     fn new(pulse: Pulse, from: String, to: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlipFlop` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct FlipFlop {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conjunction` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Conjunction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Broadcast` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Broadcast {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UntypedModule` is never constructed
[INFO] [stdout]    --> src/day20/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct UntypedModule {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Module` is never used
[INFO] [stdout]    --> src/day20/mod.rs:121:6
[INFO] [stdout]     |
[INFO] [stdout] 121 | enum Module {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_outputs` and `get_outputs_mut` are never used
[INFO] [stdout]    --> src/day20/mod.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | impl Module {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] 129 |     fn get_outputs(&self) -> &Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn get_outputs_mut(&mut self) -> &mut Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MailBuilder` is never constructed
[INFO] [stdout]    --> src/day20/mod.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct MailBuilder {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `build` are never used
[INFO] [stdout]    --> src/day20/mod.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl MailBuilder {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 164 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn build(&mut self, pulse: Pulse, from: String, to: String) -> Mail {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day22/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day22/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(x: i32, y: i32, z: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Brick` is never constructed
[INFO] [stdout]   --> src/day22/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Brick {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ground` is never constructed
[INFO] [stdout]   --> src/day22/mod.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Ground {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_z`, `set_z`, `get_id`, and `set_id` are never used
[INFO] [stdout]    --> src/day22/mod.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl Ground {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  94 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn get_z(&mut self, x: i32, y: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn set_z(&mut self, x: i32, y: i32, z: i32) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_id(&self, x: i32, y: i32) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn set_id(&mut self, x: i32, y: i32, id: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/day22/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_find_a_way_down` is never used
[INFO] [stdout]    --> src/day22/mod.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn can_find_a_way_down(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, without_id: &HashSet<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_fall_count` is never used
[INFO] [stdout]    --> src/day22/mod.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn calc_fall_count(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, mut without_id: HashSet<usize>, falling_ids: &mut HashSe...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day23/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day23/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs` is never used
[INFO] [stdout]   --> src/day23/mod.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn dfs(map: &Vec<Vec<char>>, path: HashSet<Pos>, start: Pos, end: Pos) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs_part_2` is never used
[INFO] [stdout]    --> src/day23/mod.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn dfs_part_2(map: &Vec<Vec<char>>, path: HashSet<Pos>, mut pre_pos: Option<Pos>, start: Pos, end: Pos, dead_ends: &mut HashSet<Pos>) -> ...
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day24/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `cross` are never used
[INFO] [stdout]   --> src/day24/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(x: i64, y: i64, z: i64) -> Self { Self { x, y, z } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 12 |     fn cross(&self, other: &Self) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FPos` is never constructed
[INFO] [stdout]   --> src/day24/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FPos {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hailstone` is never constructed
[INFO] [stdout]   --> src/day24/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Hailstone {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `intersect_point` are never used
[INFO] [stdout]   --> src/day24/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Hailstone {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 53 |     fn new(position: Pos, velocity: Pos) -> Self { Self { position, velocity } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 54 |     /// 返回碰撞点
[INFO] [stdout] 55 |     fn intersect_point(&self, other: &Self) -> Option<FPos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.86s
[INFO] running `Command { std: "docker" "inspect" "f26e6866dd7edb2d4834cd83dff9574bcf890fd1c12ff59e72f7f41a880fa0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26e6866dd7edb2d4834cd83dff9574bcf890fd1c12ff59e72f7f41a880fa0f6", kill_on_drop: false }`
[INFO] [stdout] f26e6866dd7edb2d4834cd83dff9574bcf890fd1c12ff59e72f7f41a880fa0f6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79057e8817355d94e5917ed19d170b4b8336141bc5a7832744994aff2de287e6
[INFO] running `Command { std: "docker" "start" "-a" "79057e8817355d94e5917ed19d170b4b8336141bc5a7832744994aff2de287e6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Index`
[INFO] [stdout]  --> src/day03/mod.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::{Range, Index}, collections::HashSet};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `vec`
[INFO] [stdout]  --> src/day05/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashSet, HashMap}, str::FromStr, ops::Range, vec};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day08/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `HashMap`, and `Weak`
[INFO] [stdout]  --> src/day10/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, sync::{Arc, Weak}};
[INFO] [stdout]   |                         ^^^^^^^                   ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hint`
[INFO] [stdout]  --> src/day11/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, hint};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `permutator::Combination`
[INFO] [stdout]  --> src/day12/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use permutator::Combination;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/day14/mod.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cmp::Ordering, collections::HashMap};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day18/mod.rs:1:39
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{str::FromStr, collections::{HashSet, HashMap}};
[INFO] [stdout]   |                                       ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day18/part2.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fmt::Display};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VecDeque`, `default`, and `hash_map::DefaultHasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day21/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/day19/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout]  74 | /             loop {
[INFO] [stdout]  75 | |                 let flow = workflows.get(work_label).unwrap();
[INFO] [stdout]  76 | |                 for rule in flow.rules.iter() {
[INFO] [stdout]  77 | |                     match rule {
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 102 |               0
[INFO] [stdout]     |               ^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/day24/mod.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |             return Some(FPos{x, y, z: 0.})
[INFO] [stdout]    |             ------------------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 97 |         None
[INFO] [stdout]    |         ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:92
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cur_pipe`
[INFO] [stdout]    --> src/day10/mod.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let cur_pipe = cur_node.pipe.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_pipe`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/day18/part2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut count = 0;
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/day18/part2.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             count += 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_steps`
[INFO] [stdout]    --> src/day18/part2.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let p2_steps = i32::from_str_radix(&color[..5], 16).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_dir`
[INFO] [stdout]    --> src/day18/part2.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |             let p2_dir = match &color[5..] {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]    --> src/day20/mod.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:115:41
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this_start`
[INFO] [stdout]    --> src/day23/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let this_start = start;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_this_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_start_end` is never used
[INFO] [stdout]   --> src/day03/mod.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_start_end(line: &str, idx: usize) -> Range<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_num` is never used
[INFO] [stdout]   --> src/day03/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn find_num(arr: &Vec<&str>, row: usize, col: usize) -> HashSet<Num> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_next_number` is never used
[INFO] [stdout]  --> src/day09/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn generate_next_number(arr: Vec<i64>) -> (i64, i64) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_outside_at_inner_angle` is never used
[INFO] [stdout]   --> src/day10/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 11 |     // 外侧是否在内角的方向
[INFO] [stdout] 12 |     fn is_outside_at_inner_angle(&self) -> Result<bool, ()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `update_outside_direction`, `calc_inner_count`, and `traverse_inner` are never used
[INFO] [stdout]    --> src/day10/mod.rs:289:8
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl Maze {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 289 |     fn update_outside_direction(&mut self, row: usize, col: usize, direction: Direction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 393 |     fn calc_inner_count(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 512 |     fn traverse_inner(&self, inner_nodes: &mut HashSet<(usize, usize)>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_maze_border` is never used
[INFO] [stdout]    --> src/day10/mod.rs:717:4
[INFO] [stdout]     |
[INFO] [stdout] 717 | fn find_maze_border(maze: &mut Vec<Vec<Node>>, idx: (usize, usize)) -> Idx {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day11/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `distance` are never used
[INFO] [stdout]   --> src/day11/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn distance(&self, other: &Pos, empty_rows: &HashSet<usize>, empty_cols: &HashSet<usize>) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]  --> src/day12/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn calc(mut pre: String, record: &str, groups: &[usize]) -> usize {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_match` is never used
[INFO] [stdout]   --> src/day12/mod.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn is_match(cond: &[char], records: &[usize]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `match_count` is never used
[INFO] [stdout]   --> src/day12/mod.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn match_count(cond: Vec<char>, records: Vec<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]    --> src/day12/mod.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn part_1(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]    --> src/day12/mod.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn part_2(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `combination` is never used
[INFO] [stdout]    --> src/day12/mod.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn combination(n: usize, k: usize) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_combination` is never used
[INFO] [stdout]    --> src/day12/mod.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn do_combination(final_ret: &mut Vec<Vec<usize>>, mut cur_vec: Vec<usize>, n: usize, k: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MirrorType` is never used
[INFO] [stdout]  --> src/day13/mod.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum MirrorType{
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuck_1` is never used
[INFO] [stdout]  --> src/day13/mod.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fuck_1(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuck_2` is never used
[INFO] [stdout]   --> src/day13/mod.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn fuck_2(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_1` is never used
[INFO] [stdout]    --> src/day13/mod.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn part_1(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_2` is never used
[INFO] [stdout]    --> src/day13/mod.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn part_2(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_north` is never used
[INFO] [stdout]  --> src/day14/mod.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn tilt_north(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_west` is never used
[INFO] [stdout]   --> src/day14/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn tilt_west(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_south` is never used
[INFO] [stdout]   --> src/day14/mod.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn tilt_south(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_east` is never used
[INFO] [stdout]   --> src/day14/mod.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn tilt_east(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rotate` is never used
[INFO] [stdout]   --> src/day14/mod.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn rotate<T>(vec2d: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sort` is never used
[INFO] [stdout]   --> src/day14/mod.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn sort<F>(v: &mut [char], compare: F)
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]  --> src/day15/mod.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn hash(s: &str) -> usize {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lens` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Lens {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/day15/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct HashMap {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `update` are never used
[INFO] [stdout]   --> src/day15/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl HashMap {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 23 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn update(&mut self, s: &'static str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day16/mod.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Tile {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day16/mod.rs:14:6
[INFO] [stdout]    |
[INFO] [stdout] 14 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Beam` is never constructed
[INFO] [stdout]   --> src/day16/mod.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Beam {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `heading_next` are never used
[INFO] [stdout]   --> src/day16/mod.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Beam {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 29 |     pub fn new(row: usize, col: usize, direction: Direction) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn heading_next(&self, contraption: &Contraption) -> Vec<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Contraption` is never constructed
[INFO] [stdout]    --> src/day16/mod.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | struct Contraption {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day16/mod.rs:125:12
[INFO] [stdout]     |
[INFO] [stdout] 124 | impl Contraption {
[INFO] [stdout]     | ---------------- associated function in this implementation
[INFO] [stdout] 125 |     pub fn new(tiles: Vec<Vec<char>>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_energized_tiles` is never used
[INFO] [stdout]    --> src/day16/mod.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn calc_energized_tiles(beam: Beam, contraption: &Contraption) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_no_dir_len_limit` is never used
[INFO] [stdout]  --> src/day17/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn calc_no_dir_len_limit(map: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day17/mod.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Pos {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day17/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 70 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]   --> src/day17/mod.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum Dir {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day17/mod.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn calc(map: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_calc` is never used
[INFO] [stdout]   --> src/day17/mod.rs:95:4
[INFO] [stdout]    |
[INFO] [stdout] 95 | fn do_calc(map: &Vec<Vec<usize>>, path: BTreeSet<Pos>, pos: Pos, dir: Dir, count: i32) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/mod.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn solve(input: &str) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Dir` is never used
[INFO] [stdout]  --> src/day18/mod.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Dir {
[INFO] [stdout]   |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DigCmd` is never constructed
[INFO] [stdout]   --> src/day18/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct DigCmd {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day18/mod.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DigCmd {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 34 |     fn new(dir: Dir, steps: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Vertex` is never constructed
[INFO] [stdout]  --> src/day18/part2.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Vertex {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day18/part2.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Vertex {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(row: i32, col: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/day18/part2.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | struct Node {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day18/part2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn calc(cmds: Vec<DigCmd>) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_calc` is never used
[INFO] [stdout]    --> src/day18/part2.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn do_calc(hashes: &mut HashMap<Vertex, Node>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day18/part2.rs:374:4
[INFO] [stdout]     |
[INFO] [stdout] 374 | fn solve(input: &str) -> i32 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Label` is never used
[INFO] [stdout]  --> src/day19/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Label = String;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condition` is never constructed
[INFO] [stdout]  --> src/day19/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Condition {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rule` is never used
[INFO] [stdout]   --> src/day19/mod.rs:38:6
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum Rule {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Workflow` is never constructed
[INFO] [stdout]   --> src/day19/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Workflow {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Rating` is never used
[INFO] [stdout]   --> src/day19/mod.rs:67:6
[INFO] [stdout]    |
[INFO] [stdout] 67 | type Rating = HashMap<Label, i32>;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/day19/mod.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn calc(workflows: &HashMap<Label, Workflow>, ratings: Vec<Rating>) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_combinations` is never used
[INFO] [stdout]    --> src/day19/mod.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn calc_combinations(workflows: &HashMap<Label, Workflow>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `get_mut` are never used
[INFO] [stdout]    --> src/day19/mod.rs:116:12
[INFO] [stdout]     |
[INFO] [stdout] 115 |     impl Comb {
[INFO] [stdout]     |     --------- associated items in this implementation
[INFO] [stdout] 116 |         fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         fn get_mut(&mut self, s: &str) -> &mut Range<i32> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]    --> src/day19/mod.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn parse(input: &str) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `OnRecvPulse` is never used
[INFO] [stdout]  --> src/day20/mod.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | trait OnRecvPulse {
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pulse` is never used
[INFO] [stdout]  --> src/day20/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | enum Pulse {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FlipFlopState` is never used
[INFO] [stdout]   --> src/day20/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum FlipFlopState {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mail` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Mail {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day20/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Mail {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 31 |     fn new(pulse: Pulse, from: String, to: String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FlipFlop` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct FlipFlop {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Conjunction` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Conjunction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Broadcast` is never constructed
[INFO] [stdout]   --> src/day20/mod.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct Broadcast {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UntypedModule` is never constructed
[INFO] [stdout]    --> src/day20/mod.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | struct UntypedModule {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Module` is never used
[INFO] [stdout]    --> src/day20/mod.rs:121:6
[INFO] [stdout]     |
[INFO] [stdout] 121 | enum Module {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_outputs` and `get_outputs_mut` are never used
[INFO] [stdout]    --> src/day20/mod.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 128 | impl Module {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] 129 |     fn get_outputs(&self) -> &Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn get_outputs_mut(&mut self) -> &mut Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MailBuilder` is never constructed
[INFO] [stdout]    --> src/day20/mod.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct MailBuilder {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `build` are never used
[INFO] [stdout]    --> src/day20/mod.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl MailBuilder {
[INFO] [stdout]     | ---------------- associated items in this implementation
[INFO] [stdout] 164 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 167 |     fn build(&mut self, pulse: Pulse, from: String, to: String) -> Mail {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day22/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day22/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 11 |     fn new(x: i32, y: i32, z: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Brick` is never constructed
[INFO] [stdout]   --> src/day22/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Brick {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ground` is never constructed
[INFO] [stdout]   --> src/day22/mod.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 | struct Ground {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_z`, `set_z`, `get_id`, and `set_id` are never used
[INFO] [stdout]    --> src/day22/mod.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl Ground {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  94 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  97 |     fn get_z(&mut self, x: i32, y: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn set_z(&mut self, x: i32, y: i32, z: i32) {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_id(&self, x: i32, y: i32) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     fn set_id(&mut self, x: i32, y: i32, id: usize) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]    --> src/day22/mod.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Node {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_find_a_way_down` is never used
[INFO] [stdout]    --> src/day22/mod.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn can_find_a_way_down(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, without_id: &HashSet<usize>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_fall_count` is never used
[INFO] [stdout]    --> src/day22/mod.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn calc_fall_count(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, mut without_id: HashSet<usize>, falling_ids: &mut HashSe...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day23/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day23/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Pos {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 15 |     fn new(row: usize, col: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs` is never used
[INFO] [stdout]   --> src/day23/mod.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn dfs(map: &Vec<Vec<char>>, path: HashSet<Pos>, start: Pos, end: Pos) -> usize {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs_part_2` is never used
[INFO] [stdout]    --> src/day23/mod.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn dfs_part_2(map: &Vec<Vec<char>>, path: HashSet<Pos>, mut pre_pos: Option<Pos>, start: Pos, end: Pos, dead_ends: &mut HashSet<Pos>) -> ...
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]  --> src/day24/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Pos {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `cross` are never used
[INFO] [stdout]   --> src/day24/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Pos {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(x: i64, y: i64, z: i64) -> Self { Self { x, y, z } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 12 |     fn cross(&self, other: &Self) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FPos` is never constructed
[INFO] [stdout]   --> src/day24/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FPos {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hailstone` is never constructed
[INFO] [stdout]   --> src/day24/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Hailstone {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `intersect_point` are never used
[INFO] [stdout]   --> src/day24/mod.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Hailstone {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 53 |     fn new(position: Pos, velocity: Pos) -> Self { Self { position, velocity } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 54 |     /// 返回碰撞点
[INFO] [stdout] 55 |     fn intersect_point(&self, other: &Self) -> Option<FPos> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`, and `vec`
[INFO] [stdout]  --> src/day05/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashSet, HashMap}, str::FromStr, ops::Range, vec};
[INFO] [stdout]   |                         ^^^^^^^  ^^^^^^^                             ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc`, `HashMap`, and `Weak`
[INFO] [stdout]  --> src/day10/mod.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, sync::{Arc, Weak}};
[INFO] [stdout]   |                         ^^^^^^^                   ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hint`
[INFO] [stdout]  --> src/day11/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashSet, hint};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `permutator::Combination`
[INFO] [stdout]  --> src/day12/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use permutator::Combination;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day18/mod.rs:1:48
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{str::FromStr, collections::{HashSet, HashMap}};
[INFO] [stdout]   |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day18/part2.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, HashSet}, fmt::Display};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `default` and `hash_map::DefaultHasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/day19/mod.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout]  74 | /             loop {
[INFO] [stdout]  75 | |                 let flow = workflows.get(work_label).unwrap();
[INFO] [stdout]  76 | |                 for rule in flow.rules.iter() {
[INFO] [stdout]  77 | |                     match rule {
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |             }
[INFO] [stdout]     | |_____________- any code following this expression is unreachable
[INFO] [stdout] 102 |               0
[INFO] [stdout]     |               ^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/day24/mod.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |             return Some(FPos{x, y, z: 0.})
[INFO] [stdout]    |             ------------------------------ any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 97 |         None
[INFO] [stdout]    |         ^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/day20/mod.rs:1:92
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stdout]   |                                                                                            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day07/mod.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |     let input = r"32T3K 765
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day09/mod.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let input = "0 3 6 9 12 15
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cur_pipe`
[INFO] [stdout]    --> src/day10/mod.rs:297:17
[INFO] [stdout]     |
[INFO] [stdout] 297 |             let cur_pipe = cur_node.pipe.unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_pipe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day10/mod.rs:641:9
[INFO] [stdout]     |
[INFO] [stdout] 641 |     let input = "
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day11/mod.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let input = 
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day14/mod.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     let input = "
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day16/mod.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     let input = r"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/day18/part2.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut count = 0;
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/day18/part2.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             count += 1;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_steps`
[INFO] [stdout]    --> src/day18/part2.rs:383:17
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let p2_steps = i32::from_str_radix(&color[..5], 16).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p2_dir`
[INFO] [stdout]    --> src/day18/part2.rs:384:17
[INFO] [stdout]     |
[INFO] [stdout] 384 |             let p2_dir = match &color[5..] {
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day18/part2.rs:401:9
[INFO] [stdout]     |
[INFO] [stdout] 401 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/day18/mod.rs:63:17
[INFO] [stdout]    |
[INFO] [stdout] 63 |             let dir: Dir = it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `steps`
[INFO] [stdout]   --> src/day18/mod.rs:64:17
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let steps: i32 = it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day19/mod.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:103:41
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pulse`
[INFO] [stdout]    --> src/day20/mod.rs:115:27
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]    --> src/day20/mod.rs:115:41
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stdout]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day20/mod.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day20/mod.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day22/mod.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day23/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let input = {"
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `this_start`
[INFO] [stdout]    --> src/day23/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let this_start = start;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_this_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/day24/mod.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let input = {"
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day25/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let input = {"
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]  --> src/day12/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn calc(mut pre: String, record: &str, groups: &[usize]) -> usize {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day16/mod.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Tile {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_no_dir_len_limit` is never used
[INFO] [stdout]  --> src/day17/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn calc_no_dir_len_limit(map: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `z` is never read
[INFO] [stdout]   --> src/day24/mod.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FPos {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 41 |     z: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> src/day21/mod.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let S = map.iter().enumerate()
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "79057e8817355d94e5917ed19d170b4b8336141bc5a7832744994aff2de287e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79057e8817355d94e5917ed19d170b4b8336141bc5a7832744994aff2de287e6", kill_on_drop: false }`
[INFO] [stdout] 79057e8817355d94e5917ed19d170b4b8336141bc5a7832744994aff2de287e6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 65a0d2b5d3571bec09868edd50fcfcd335ab0e079a94a12b5ff21b5d29593492
[INFO] running `Command { std: "docker" "start" "-a" "65a0d2b5d3571bec09868edd50fcfcd335ab0e079a94a12b5ff21b5d29593492", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Index`
[INFO] [stderr]  --> src/day03/mod.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::{Range, Index}, collections::HashSet};
[INFO] [stderr]   |                        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`, and `vec`
[INFO] [stderr]  --> src/day05/mod.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashSet, HashMap}, str::FromStr, ops::Range, vec};
[INFO] [stderr]   |                         ^^^^^^^  ^^^^^^^                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/day08/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arc`, `HashMap`, and `Weak`
[INFO] [stderr]  --> src/day10/mod.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, HashSet}, sync::{Arc, Weak}};
[INFO] [stderr]   |                         ^^^^^^^                   ^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hint`
[INFO] [stderr]  --> src/day11/mod.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashSet, hint};
[INFO] [stderr]   |                                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `permutator::Combination`
[INFO] [stderr]  --> src/day12/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use permutator::Combination;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/day14/mod.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cmp::Ordering, collections::HashMap};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stderr]  --> src/day18/mod.rs:1:39
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{str::FromStr, collections::{HashSet, HashMap}};
[INFO] [stderr]   |                                       ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/day18/part2.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, HashSet}, fmt::Display};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `VecDeque`, `default`, and `hash_map::DefaultHasher`
[INFO] [stderr]  --> src/day20/mod.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stderr]   |                                  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> src/day21/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/day19/mod.rs:102:13
[INFO] [stderr]     |
[INFO] [stderr]  74 | /             loop {
[INFO] [stderr]  75 | |                 let flow = workflows.get(work_label).unwrap();
[INFO] [stderr]  76 | |                 for rule in flow.rules.iter() {
[INFO] [stderr]  77 | |                     match rule {
[INFO] [stderr] ...   |
[INFO] [stderr] 101 | |             }
[INFO] [stderr]     | |_____________- any code following this expression is unreachable
[INFO] [stderr] 102 |               0
[INFO] [stderr]     |               ^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/day24/mod.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |             return Some(FPos{x, y, z: 0.})
[INFO] [stderr]    |             ------------------------------ any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 97 |         None
[INFO] [stderr]    |         ^^^^ unreachable expression
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Hasher`
[INFO] [stderr]  --> src/day20/mod.rs:1:92
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stderr]   |                                                                                            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cur_pipe`
[INFO] [stderr]    --> src/day10/mod.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let cur_pipe = cur_node.pipe.unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_pipe`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `count` is assigned to, but never used
[INFO] [stderr]   --> src/day18/part2.rs:34:17
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut count = 0;
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]   --> src/day18/part2.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |             count += 1;
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2_steps`
[INFO] [stderr]    --> src/day18/part2.rs:383:17
[INFO] [stderr]     |
[INFO] [stderr] 383 |             let p2_steps = i32::from_str_radix(&color[..5], 16).unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_steps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p2_dir`
[INFO] [stderr]    --> src/day18/part2.rs:384:17
[INFO] [stderr]     |
[INFO] [stderr] 384 |             let p2_dir = match &color[5..] {
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p2_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/day20/mod.rs:103:41
[INFO] [stderr]     |
[INFO] [stderr] 103 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stderr]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pulse`
[INFO] [stderr]    --> src/day20/mod.rs:115:27
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stderr]     |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_pulse`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]    --> src/day20/mod.rs:115:41
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn on_recv(&mut self, pulse: Pulse, from: &str) -> Option<Pulse> {
[INFO] [stderr]     |                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `this_start`
[INFO] [stderr]    --> src/day23/mod.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let this_start = start;
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_this_start`
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_start_end` is never used
[INFO] [stderr]   --> src/day03/mod.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn find_start_end(line: &str, idx: usize) -> Range<usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_num` is never used
[INFO] [stderr]   --> src/day03/mod.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn find_num(arr: &Vec<&str>, row: usize, col: usize) -> HashSet<Num> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_next_number` is never used
[INFO] [stderr]  --> src/day09/mod.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn generate_next_number(arr: Vec<i64>) -> (i64, i64) {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_outside_at_inner_angle` is never used
[INFO] [stderr]   --> src/day10/mod.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Node {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 11 |     // 外侧是否在内角的方向
[INFO] [stderr] 12 |     fn is_outside_at_inner_angle(&self) -> Result<bool, ()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `update_outside_direction`, `calc_inner_count`, and `traverse_inner` are never used
[INFO] [stderr]    --> src/day10/mod.rs:289:8
[INFO] [stderr]     |
[INFO] [stderr] 130 | impl Maze {
[INFO] [stderr]     | --------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 289 |     fn update_outside_direction(&mut self, row: usize, col: usize, direction: Direction) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 393 |     fn calc_inner_count(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 512 |     fn traverse_inner(&self, inner_nodes: &mut HashSet<(usize, usize)>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_maze_border` is never used
[INFO] [stderr]    --> src/day10/mod.rs:717:4
[INFO] [stderr]     |
[INFO] [stderr] 717 | fn find_maze_border(maze: &mut Vec<Vec<Node>>, idx: (usize, usize)) -> Idx {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]  --> src/day11/mod.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Pos {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `distance` are never used
[INFO] [stderr]   --> src/day11/mod.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Pos {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 11 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn distance(&self, other: &Pos, empty_rows: &HashSet<usize>, empty_cols: &HashSet<usize>) -> usize {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]  --> src/day12/mod.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn calc(mut pre: String, record: &str, groups: &[usize]) -> usize {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_match` is never used
[INFO] [stderr]   --> src/day12/mod.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn is_match(cond: &[char], records: &[usize]) -> bool {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `match_count` is never used
[INFO] [stderr]   --> src/day12/mod.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn match_count(cond: Vec<char>, records: Vec<usize>) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part_1` is never used
[INFO] [stderr]    --> src/day12/mod.rs:101:4
[INFO] [stderr]     |
[INFO] [stderr] 101 | fn part_1(input: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part_2` is never used
[INFO] [stderr]    --> src/day12/mod.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn part_2(input: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `combination` is never used
[INFO] [stderr]    --> src/day12/mod.rs:149:4
[INFO] [stderr]     |
[INFO] [stderr] 149 | fn combination(n: usize, k: usize) -> Vec<Vec<usize>> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_combination` is never used
[INFO] [stderr]    --> src/day12/mod.rs:157:4
[INFO] [stderr]     |
[INFO] [stderr] 157 | fn do_combination(final_ret: &mut Vec<Vec<usize>>, mut cur_vec: Vec<usize>, n: usize, k: usize) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MirrorType` is never used
[INFO] [stderr]  --> src/day13/mod.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum MirrorType{
[INFO] [stderr]   |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuck_1` is never used
[INFO] [stderr]  --> src/day13/mod.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn fuck_1(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuck_2` is never used
[INFO] [stderr]   --> src/day13/mod.rs:59:4
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn fuck_2(group: &Vec<Vec<char>>) -> (MirrorType, usize) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part_1` is never used
[INFO] [stderr]    --> src/day13/mod.rs:112:4
[INFO] [stderr]     |
[INFO] [stderr] 112 | fn part_1(input: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part_2` is never used
[INFO] [stderr]    --> src/day13/mod.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn part_2(input: &str) -> usize {
[INFO] [stderr]     |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tilt_north` is never used
[INFO] [stderr]  --> src/day14/mod.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn tilt_north(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stderr]   |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tilt_west` is never used
[INFO] [stderr]   --> src/day14/mod.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn tilt_west(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tilt_south` is never used
[INFO] [stderr]   --> src/day14/mod.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn tilt_south(v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tilt_east` is never used
[INFO] [stderr]   --> src/day14/mod.rs:31:4
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn tilt_east(mut v: Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rotate` is never used
[INFO] [stderr]   --> src/day14/mod.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn rotate<T>(vec2d: Vec<Vec<T>>) -> Vec<Vec<T>> {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `sort` is never used
[INFO] [stderr]   --> src/day14/mod.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn sort<F>(v: &mut [char], compare: F)
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `hash` is never used
[INFO] [stderr]  --> src/day15/mod.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn hash(s: &str) -> usize {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Lens` is never constructed
[INFO] [stderr]   --> src/day15/mod.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Lens {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashMap` is never constructed
[INFO] [stderr]   --> src/day15/mod.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct HashMap {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `update` are never used
[INFO] [stderr]   --> src/day15/mod.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl HashMap {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 23 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     pub fn update(&mut self, s: &'static str) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Tile` is never used
[INFO] [stderr]  --> src/day16/mod.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | enum Tile {
[INFO] [stderr]   |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Direction` is never used
[INFO] [stderr]   --> src/day16/mod.rs:14:6
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum Direction {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Beam` is never constructed
[INFO] [stderr]   --> src/day16/mod.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct Beam {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `heading_next` are never used
[INFO] [stderr]   --> src/day16/mod.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Beam {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 29 |     pub fn new(row: usize, col: usize, direction: Direction) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn heading_next(&self, contraption: &Contraption) -> Vec<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Contraption` is never constructed
[INFO] [stderr]    --> src/day16/mod.rs:120:8
[INFO] [stderr]     |
[INFO] [stderr] 120 | struct Contraption {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]    --> src/day16/mod.rs:125:12
[INFO] [stderr]     |
[INFO] [stderr] 124 | impl Contraption {
[INFO] [stderr]     | ---------------- associated function in this implementation
[INFO] [stderr] 125 |     pub fn new(tiles: Vec<Vec<char>>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc_energized_tiles` is never used
[INFO] [stderr]    --> src/day16/mod.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn calc_energized_tiles(beam: Beam, contraption: &Contraption) -> usize {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc_no_dir_len_limit` is never used
[INFO] [stderr]  --> src/day17/mod.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn calc_no_dir_len_limit(map: &Vec<Vec<usize>>) -> Vec<Vec<usize>> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]   --> src/day17/mod.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct Pos {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day17/mod.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 69 | impl Pos {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 70 |     pub fn new(row: usize, col: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Dir` is never used
[INFO] [stderr]   --> src/day17/mod.rs:76:6
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum Dir {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]   --> src/day17/mod.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn calc(map: &Vec<Vec<usize>>) -> usize {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_calc` is never used
[INFO] [stderr]   --> src/day17/mod.rs:95:4
[INFO] [stderr]    |
[INFO] [stderr] 95 | fn do_calc(map: &Vec<Vec<usize>>, path: BTreeSet<Pos>, pos: Pos, dir: Dir, count: i32) -> Option<usize> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]    --> src/day17/mod.rs:271:4
[INFO] [stderr]     |
[INFO] [stderr] 271 | fn solve(input: &str) -> usize {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Dir` is never used
[INFO] [stderr]  --> src/day18/mod.rs:6:6
[INFO] [stderr]   |
[INFO] [stderr] 6 | enum Dir {
[INFO] [stderr]   |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DigCmd` is never constructed
[INFO] [stderr]   --> src/day18/mod.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct DigCmd {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day18/mod.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl DigCmd {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 34 |     fn new(dir: Dir, steps: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Vertex` is never constructed
[INFO] [stderr]  --> src/day18/part2.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Vertex {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day18/part2.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Vertex {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 13 |     fn new(row: i32, col: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]   --> src/day18/part2.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | struct Node {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]   --> src/day18/part2.rs:57:4
[INFO] [stderr]    |
[INFO] [stderr] 57 | fn calc(cmds: Vec<DigCmd>) -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_calc` is never used
[INFO] [stderr]    --> src/day18/part2.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn do_calc(hashes: &mut HashMap<Vertex, Node>) -> i32 {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve` is never used
[INFO] [stderr]    --> src/day18/part2.rs:374:4
[INFO] [stderr]     |
[INFO] [stderr] 374 | fn solve(input: &str) -> i32 {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Label` is never used
[INFO] [stderr]  --> src/day19/mod.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Label = String;
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Condition` is never constructed
[INFO] [stderr]  --> src/day19/mod.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Condition {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Rule` is never used
[INFO] [stderr]   --> src/day19/mod.rs:38:6
[INFO] [stderr]    |
[INFO] [stderr] 38 | enum Rule {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Workflow` is never constructed
[INFO] [stderr]   --> src/day19/mod.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | struct Workflow {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Rating` is never used
[INFO] [stderr]   --> src/day19/mod.rs:67:6
[INFO] [stderr]    |
[INFO] [stderr] 67 | type Rating = HashMap<Label, i32>;
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]   --> src/day19/mod.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn calc(workflows: &HashMap<Label, Workflow>, ratings: Vec<Rating>) -> i32 {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc_combinations` is never used
[INFO] [stderr]    --> src/day19/mod.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn calc_combinations(workflows: &HashMap<Label, Workflow>) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `get_mut` are never used
[INFO] [stderr]    --> src/day19/mod.rs:116:12
[INFO] [stderr]     |
[INFO] [stderr] 115 |     impl Comb {
[INFO] [stderr]     |     --------- associated items in this implementation
[INFO] [stderr] 116 |         fn new() -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |         fn get_mut(&mut self, s: &str) -> &mut Range<i32> {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse` is never used
[INFO] [stderr]    --> src/day19/mod.rs:210:4
[INFO] [stderr]     |
[INFO] [stderr] 210 | fn parse(input: &str) {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `OnRecvPulse` is never used
[INFO] [stderr]  --> src/day20/mod.rs:4:7
[INFO] [stderr]   |
[INFO] [stderr] 4 | trait OnRecvPulse {
[INFO] [stderr]   |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Pulse` is never used
[INFO] [stderr]  --> src/day20/mod.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | enum Pulse {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `FlipFlopState` is never used
[INFO] [stderr]   --> src/day20/mod.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 | enum FlipFlopState {
[INFO] [stderr]    |      ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mail` is never constructed
[INFO] [stderr]   --> src/day20/mod.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Mail {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day20/mod.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl Mail {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 31 |     fn new(pulse: Pulse, from: String, to: String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FlipFlop` is never constructed
[INFO] [stderr]   --> src/day20/mod.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | struct FlipFlop {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Conjunction` is never constructed
[INFO] [stderr]   --> src/day20/mod.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 | struct Conjunction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Broadcast` is never constructed
[INFO] [stderr]   --> src/day20/mod.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 97 | struct Broadcast {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `UntypedModule` is never constructed
[INFO] [stderr]    --> src/day20/mod.rs:109:8
[INFO] [stderr]     |
[INFO] [stderr] 109 | struct UntypedModule {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Module` is never used
[INFO] [stderr]    --> src/day20/mod.rs:121:6
[INFO] [stderr]     |
[INFO] [stderr] 121 | enum Module {
[INFO] [stderr]     |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `get_outputs` and `get_outputs_mut` are never used
[INFO] [stderr]    --> src/day20/mod.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr] 128 | impl Module {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr] 129 |     fn get_outputs(&self) -> &Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |     fn get_outputs_mut(&mut self) -> &mut Vec<String> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MailBuilder` is never constructed
[INFO] [stderr]    --> src/day20/mod.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 159 | struct MailBuilder {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `build` are never used
[INFO] [stderr]    --> src/day20/mod.rs:164:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | impl MailBuilder {
[INFO] [stderr]     | ---------------- associated items in this implementation
[INFO] [stderr] 164 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 167 |     fn build(&mut self, pulse: Pulse, from: String, to: String) -> Mail {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]  --> src/day22/mod.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Pos {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day22/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Pos {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 11 |     fn new(x: i32, y: i32, z: i32) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Brick` is never constructed
[INFO] [stderr]   --> src/day22/mod.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | struct Brick {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Ground` is never constructed
[INFO] [stderr]   --> src/day22/mod.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 | struct Ground {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `get_z`, `set_z`, `get_id`, and `set_id` are never used
[INFO] [stderr]    --> src/day22/mod.rs:94:8
[INFO] [stderr]     |
[INFO] [stderr]  93 | impl Ground {
[INFO] [stderr]     | ----------- associated items in this implementation
[INFO] [stderr]  94 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr]  97 |     fn get_z(&mut self, x: i32, y: i32) -> i32 {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 103 |     fn set_z(&mut self, x: i32, y: i32, z: i32) {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 106 |     fn get_id(&self, x: i32, y: i32) -> Option<usize> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 109 |     fn set_id(&mut self, x: i32, y: i32, id: usize) {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]    --> src/day22/mod.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | struct Node {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_find_a_way_down` is never used
[INFO] [stderr]    --> src/day22/mod.rs:242:4
[INFO] [stderr]     |
[INFO] [stderr] 242 | fn can_find_a_way_down(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, without_id: &HashSet<usize>) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc_fall_count` is never used
[INFO] [stderr]    --> src/day22/mod.rs:260:4
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn calc_fall_count(bricks: &Vec<Brick>, nodes: &HashMap<usize, Node>, id: usize, mut without_id: HashSet<usize>, falling_ids: &mut HashSe...
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]  --> src/day23/mod.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Pos {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/day23/mod.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Pos {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 15 |     fn new(row: usize, col: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dfs` is never used
[INFO] [stderr]   --> src/day23/mod.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn dfs(map: &Vec<Vec<char>>, path: HashSet<Pos>, start: Pos, end: Pos) -> usize {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dfs_part_2` is never used
[INFO] [stderr]    --> src/day23/mod.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn dfs_part_2(map: &Vec<Vec<char>>, path: HashSet<Pos>, mut pre_pos: Option<Pos>, start: Pos, end: Pos, dead_ends: &mut HashSet<Pos>) -> ...
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]  --> src/day24/mod.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Pos {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `cross` are never used
[INFO] [stderr]   --> src/day24/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl Pos {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 11 |     fn new(x: i64, y: i64, z: i64) -> Self { Self { x, y, z } }
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 12 |     fn cross(&self, other: &Self) -> i64 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FPos` is never constructed
[INFO] [stderr]   --> src/day24/mod.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct FPos {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Hailstone` is never constructed
[INFO] [stderr]   --> src/day24/mod.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct Hailstone {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `intersect_point` are never used
[INFO] [stderr]   --> src/day24/mod.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | impl Hailstone {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 53 |     fn new(position: Pos, velocity: Pos) -> Self { Self { position, velocity } }
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 54 |     /// 返回碰撞点
[INFO] [stderr] 55 |     fn intersect_point(&self, other: &Self) -> Option<FPos> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`, and `vec`
[INFO] [stderr]  --> src/day05/mod.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashSet, HashMap}, str::FromStr, ops::Range, vec};
[INFO] [stderr]   |                         ^^^^^^^  ^^^^^^^                             ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/day18/mod.rs:1:48
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{str::FromStr, collections::{HashSet, HashMap}};
[INFO] [stderr]   |                                                ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `default` and `hash_map::DefaultHasher`
[INFO] [stderr]  --> src/day20/mod.rs:1:44
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::{HashMap, VecDeque, hash_map::DefaultHasher}, default, hash::{Hash, Hasher}};
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^^^^^^   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day07/mod.rs:214:9
[INFO] [stderr]     |
[INFO] [stderr] 214 |     let input = r"32T3K 765
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day09/mod.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let input = "0 3 6 9 12 15
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cur_pipe`
[INFO] [stderr]    --> src/day10/mod.rs:297:17
[INFO] [stderr]     |
[INFO] [stderr] 297 |             let cur_pipe = cur_node.pipe.unwrap();
[INFO] [stderr]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cur_pipe`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day10/mod.rs:641:9
[INFO] [stderr]     |
[INFO] [stderr] 641 |     let input = "
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day11/mod.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let input = 
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day14/mod.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |     let input = "
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day16/mod.rs:162:9
[INFO] [stderr]     |
[INFO] [stderr] 162 |     let input = r"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day18/part2.rs:401:9
[INFO] [stderr]     |
[INFO] [stderr] 401 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]   --> src/day18/mod.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let dir: Dir = it.next().unwrap().parse().unwrap();
[INFO] [stderr]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `steps`
[INFO] [stderr]   --> src/day18/mod.rs:64:17
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let steps: i32 = it.next().unwrap().parse().unwrap();
[INFO] [stderr]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_steps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day19/mod.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day20/mod.rs:182:9
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day20/mod.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day22/mod.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/day23/mod.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let input = {"
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/day24/mod.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let input = {"
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/day25/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let input = {"
[INFO] [stderr]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: function `calc` is never used
[INFO] [stderr]  --> src/day12/mod.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn calc(mut pre: String, record: &str, groups: &[usize]) -> usize {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `z` is never read
[INFO] [stderr]   --> src/day24/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | struct FPos {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 41 |     z: f64,
[INFO] [stderr]    |     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FPos` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variable `S` should have a snake case name
[INFO] [stderr]   --> src/day21/mod.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let S = map.iter().enumerate()
[INFO] [stderr]    |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2023` (lib) generated 115 warnings (run `cargo fix --lib -p advent-of-code-2023` to apply 11 suggestions)
[INFO] [stderr] warning: `advent-of-code-2023` (lib test) generated 40 warnings (17 duplicates) (run `cargo fix --lib -p advent-of-code-2023 --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code_2023-51d9393981e2e1d5)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test day02::solve ... ok
[INFO] [stdout] test day03::test_find_num ... ok
[INFO] [stdout] test day06::solve ... ok
[INFO] [stdout] test day03::test_find_start_end ... ok
[INFO] [stdout] test day05::solve ... ok
[INFO] [stdout] test day04::sovle ... ok
[INFO] [stdout] test day12::test_combination ... ok
[INFO] [stdout] test day13::test ... ok
[INFO] [stdout] test day15::solve ... ok
[INFO] [stdout] test day15::test ... ok
[INFO] [stdout] test day09::solve ... ok
[INFO] [stdout] test day13::solve ... ok
[INFO] [stdout] test day03::solve ... ok
[INFO] [stdout] test day19::test ... ok
[INFO] [stdout] test day08::solve ... ok
[INFO] [stdout] test day24::test ... ok
[INFO] [stdout] test day25::test ... ok
[INFO] [stdout] test day10::solve ... ok
[INFO] [stdout] test day18::part2::test ... FAILED
[INFO] [stdout] test day07::solve ... ok
[INFO] [stdout] test day23::test ... ok
[INFO] [stdout] test day21::test ... ok
[INFO] [stdout] test day22::test ... ok
[INFO] [stdout] test day12::solve ... ok
[INFO] [stdout] test day14::test ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/advent_of_code_2023-51d9393981e2e1d5` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "65a0d2b5d3571bec09868edd50fcfcd335ab0e079a94a12b5ff21b5d29593492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65a0d2b5d3571bec09868edd50fcfcd335ab0e079a94a12b5ff21b5d29593492", kill_on_drop: false }`
[INFO] [stdout] 65a0d2b5d3571bec09868edd50fcfcd335ab0e079a94a12b5ff21b5d29593492
