[INFO] cloning repository https://github.com/Niashi24/aoc2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Niashi24/aoc2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiashi24%2Faoc2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiashi24%2Faoc2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 845bcca6021d59e087dee53b25189e465f08fa00
[INFO] checking Niashi24/aoc2023 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiashi24%2Faoc2023" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Niashi24/aoc2023
[INFO] finished tweaking git repo https://github.com/Niashi24/aoc2023
[INFO] tweaked toml for git repo https://github.com/Niashi24/aoc2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Niashi24/aoc2023 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Niashi24/aoc2023 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7e872b977ed64ab35555b5157093412b33125baeb69a256fdfa1311a5aef75a
[INFO] running `Command { std: "docker" "start" "-a" "d7e872b977ed64ab35555b5157093412b33125baeb69a256fdfa1311a5aef75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7e872b977ed64ab35555b5157093412b33125baeb69a256fdfa1311a5aef75a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e872b977ed64ab35555b5157093412b33125baeb69a256fdfa1311a5aef75a", kill_on_drop: false }`
[INFO] [stdout] d7e872b977ed64ab35555b5157093412b33125baeb69a256fdfa1311a5aef75a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 453123c6b6ae02a3c8badbbcff8912a36b07e12880573c5205df353a6daf5c3d
[INFO] running `Command { std: "docker" "start" "-a" "453123c6b6ae02a3c8badbbcff8912a36b07e12880573c5205df353a6daf5c3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking colored v2.1.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking wide v0.7.13
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking horner v0.2.2
[INFO] [stderr]     Checking num-bigint v0.4.4
[INFO] [stderr]     Checking rayon v1.8.0
[INFO] [stderr]     Checking simba v0.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling deprecate-until v0.1.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking pathfinding v4.4.0
[INFO] [stderr]    Compiling nalgebra-macros v0.2.1
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking nalgebra v0.32.3
[INFO] [stderr]     Checking serde_json v1.0.114
[INFO] [stderr]     Checking aoc2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pathfinding::prelude::separate_components`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pathfinding::prelude::separate_components;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day3.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/day4.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/day8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/day8.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cycle` and `Enumerate`
[INFO] [stdout]  --> src/day8.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{Cycle, Enumerate};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day8.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs`, `brent`, and `dfs`
[INFO] [stdout]  --> src/day10.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pathfinding::prelude::{bfs, brent, dfs};
[INFO] [stdout]   |                            ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day12.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day13.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/day14.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day18.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::FoldWhile::Continue`
[INFO] [stdout]  --> src/day19.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::FoldWhile::Continue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FoldWhile`
[INFO] [stdout]  --> src/day19.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{FoldWhile, Itertools};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::combinations::CombinationIterator`
[INFO] [stdout]   --> src/day19.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::combinations::CombinationIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day5::Map`
[INFO] [stdout]   --> src/day19.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::day5::Map;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/ranges.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day20.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/day20.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/day20.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `join`
[INFO] [stdout]  --> src/day20.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{Itertools, join};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs_reach`, `brent`, and `topological_sort`
[INFO] [stdout]   --> src/day20.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pathfinding::prelude::{bfs_reach, brent, topological_sort};
[INFO] [stdout]    |                            ^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day21.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> src/day21.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Integer`
[INFO] [stdout]  --> src/day21.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::Integer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `astar` and `brent`
[INFO] [stdout]  --> src/day21.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pathfinding::prelude::{astar, brent};
[INFO] [stdout]   |                            ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/day21.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::day10::{Direction, DIRECTIONS};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day22.rs:78:80
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout]    |                                                                                ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout] 78 +         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter(0..blocks.len() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/day22.rs:161:80
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout] 161 +         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter(0..blocks.len() );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs`, `dfs_reach`, `dfs`, and `yen`
[INFO] [stdout]  --> src/day23.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pathfinding::prelude::{bfs, dfs, dfs_reach, yen};
[INFO] [stdout]   |                            ^^^  ^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix3`, `Matrix3x1`, `Matrix4`, and `Matrix4x1`
[INFO] [stdout]  --> src/day24.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::{Matrix2, Matrix2x1, Matrix3, Matrix3x1, Matrix4, Matrix4x1, Matrix5, Matrix5x1};
[INFO] [stdout]   |                                    ^^^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/slope_descent.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Neg, Range, Sub};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Num` and `Zero`
[INFO] [stdout]  --> src/slope_descent.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::{Float, Num, Zero};
[INFO] [stdout]   |                  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/day25.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `kruskal`, `separate_components`, and `strongly_connected_components`
[INFO] [stdout]  --> src/day25.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pathfinding::prelude::{bfs, kruskal, separate_components, strongly_connected_components};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::combinations::CombinationIterator`
[INFO] [stdout]   --> src/day25.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::combinations::CombinationIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs` and `dijkstra`
[INFO] [stdout]  --> src/graph.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pathfinding::prelude::{bfs, dijkstra};
[INFO] [stdout]   |                            ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtracking`
[INFO] [stdout]  --> src/backtracking/sudoku.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backtracking::backtracking::{Action, backtracking, backtracking_iterative};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pathfinding::prelude::separate_components`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use pathfinding::prelude::separate_components;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day3.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/day4.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/day4.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/day8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Hasher`
[INFO] [stdout]  --> src/day8.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{Hash, Hasher};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Cycle` and `Enumerate`
[INFO] [stdout]  --> src/day8.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::{Cycle, Enumerate};
[INFO] [stdout]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/day8.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs`, `brent`, and `dfs`
[INFO] [stdout]  --> src/day10.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pathfinding::prelude::{bfs, brent, dfs};
[INFO] [stdout]   |                            ^^^  ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/day12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day12.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day13.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/day14.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day18.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::FoldWhile::Continue`
[INFO] [stdout]  --> src/day19.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use itertools::FoldWhile::Continue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FoldWhile`
[INFO] [stdout]  --> src/day19.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{FoldWhile, Itertools};
[INFO] [stdout]   |                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::combinations::CombinationIterator`
[INFO] [stdout]   --> src/day19.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::combinations::CombinationIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day5::Map`
[INFO] [stdout]   --> src/day19.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::day5::Map;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/ranges.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day20.rs:4:33
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time`
[INFO] [stdout]  --> src/day20.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{thread, time};
[INFO] [stdout]   |           ^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/day20.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `join`
[INFO] [stdout]  --> src/day20.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use itertools::{Itertools, join};
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs_reach`, `brent`, and `topological_sort`
[INFO] [stdout]   --> src/day20.rs:10:28
[INFO] [stdout]    |
[INFO] [stdout] 10 | use pathfinding::prelude::{bfs_reach, brent, topological_sort};
[INFO] [stdout]    |                            ^^^^^^^^^  ^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day21.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::repeat`
[INFO] [stdout]  --> src/day21.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::repeat;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Integer`
[INFO] [stdout]  --> src/day21.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::Integer;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `astar` and `brent`
[INFO] [stdout]  --> src/day21.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pathfinding::prelude::{astar, brent};
[INFO] [stdout]   |                            ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Direction`
[INFO] [stdout]  --> src/day21.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::day10::{Direction, DIRECTIONS};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/day22.rs:78:80
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout]    |                                                                                ^               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout] 78 +         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter(0..blocks.len() );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/day22.rs:161:80
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout]     |                                                                                ^               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 161 -         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter((0..blocks.len()));
[INFO] [stdout] 161 +         let mut supported_blocks: HashSet<_, RandomState> = HashSet::from_iter(0..blocks.len() );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs`, `dfs_reach`, `dfs`, and `yen`
[INFO] [stdout]  --> src/day23.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 | use pathfinding::prelude::{bfs, dfs, dfs_reach, yen};
[INFO] [stdout]   |                            ^^^  ^^^  ^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Matrix3`, `Matrix3x1`, `Matrix4`, and `Matrix4x1`
[INFO] [stdout]  --> src/day24.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nalgebra::{Matrix2, Matrix2x1, Matrix3, Matrix3x1, Matrix4, Matrix4x1, Matrix5, Matrix5x1};
[INFO] [stdout]   |                                    ^^^^^^^  ^^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> src/slope_descent.rs:4:36
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::{Add, Div, Mul, Neg, Range, Sub};
[INFO] [stdout]   |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Num` and `Zero`
[INFO] [stdout]  --> src/slope_descent.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::{Float, Num, Zero};
[INFO] [stdout]   |                  ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]  --> src/day25.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::Ordering;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `kruskal`, `separate_components`, and `strongly_connected_components`
[INFO] [stdout]  --> src/day25.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pathfinding::prelude::{bfs, kruskal, separate_components, strongly_connected_components};
[INFO] [stdout]   |                                 ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::combinations::CombinationIterator`
[INFO] [stdout]   --> src/day25.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::combinations::CombinationIterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `bfs` and `dijkstra`
[INFO] [stdout]  --> src/graph.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pathfinding::prelude::{bfs, dijkstra};
[INFO] [stdout]   |                            ^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `backtracking`
[INFO] [stdout]  --> src/backtracking/sudoku.rs:4:49
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::backtracking::backtracking::{Action, backtracking, backtracking_iterative};
[INFO] [stdout]   |                                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::traits::Euclid`
[INFO] [stdout]  --> src/grid.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::traits::Euclid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Num`
[INFO] [stdout]  --> src/day18.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day21.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/slope_descent.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::{Float, Num, Zero};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::traits::Euclid`
[INFO] [stdout]  --> src/grid.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::traits::Euclid;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::Num`
[INFO] [stdout]  --> src/day18.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use num::Num;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/day21.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Float`
[INFO] [stdout]  --> src/slope_descent.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num::{Float, Num, Zero};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day23.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut map: Map = generate_map(&grid);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day24.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn solve(mut hails: [Hail; 5]) -> Option<f64> {
[INFO] [stdout]    |          ----^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vz`
[INFO] [stdout]    --> src/day24.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let [pz, vz] = a.lu().solve(&b)?.data.0[0];
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_vz`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ackley_fn`
[INFO] [stdout]   --> src/slope_descent.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let ackley_fn = |&[x, y]: &[f64; 2]| {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ackley_fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/slope_descent.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let y = target.steepest_descent(&[1.0, 0.0], 100, 0.001)
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/day25.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn part_2(&self, data: &Vec<Component>) -> i64 {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day23.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut map: Map = generate_map(&grid);
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day24.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn solve(mut hails: [Hail; 5]) -> Option<f64> {
[INFO] [stdout]    |          ----^^^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vz`
[INFO] [stdout]    --> src/day24.rs:113:14
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let [pz, vz] = a.lu().solve(&b)?.data.0[0];
[INFO] [stdout]     |              ^^ help: if this is intentional, prefix it with an underscore: `_vz`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ackley_fn`
[INFO] [stdout]   --> src/slope_descent.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let ackley_fn = |&[x, y]: &[f64; 2]| {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ackley_fn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/slope_descent.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let y = target.steepest_descent(&[1.0, 0.0], 100, 0.001)
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |             .find(|(x, c)| **c == 0)).next().unwrap().0;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |         .filter_map(|(y, b)| b.iter().enumerate()
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let board = [
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_test` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn full_test() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day1` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn test_day1() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day2` is never used
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn test_day2() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day3` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn test_day3() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day4` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn test_day4() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day5` is never used
[INFO] [stdout]    --> src/main.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn test_day5() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day6` is never used
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn test_day6() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day7` is never used
[INFO] [stdout]    --> src/main.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn test_day7() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day8` is never used
[INFO] [stdout]    --> src/main.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn test_day8() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day9` is never used
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn test_day9() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day10` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn test_day10() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day11` is never used
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn test_day11() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day12` is never used
[INFO] [stdout]    --> src/main.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn test_day12() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day13` is never used
[INFO] [stdout]    --> src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn test_day13() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day14` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn test_day14() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day15` is never used
[INFO] [stdout]    --> src/main.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn test_day15() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day16` is never used
[INFO] [stdout]    --> src/main.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn test_day16() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day17` is never used
[INFO] [stdout]    --> src/main.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn test_day17() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day18` is never used
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn test_day18() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day19` is never used
[INFO] [stdout]    --> src/main.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn test_day19() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day20` is never used
[INFO] [stdout]    --> src/main.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn test_day20() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day21` is never used
[INFO] [stdout]    --> src/main.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn test_day21() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day22` is never used
[INFO] [stdout]    --> src/main.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn test_day22() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day23` is never used
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn test_day23() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day24` is never used
[INFO] [stdout]    --> src/main.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn test_day24() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day25` is never used
[INFO] [stdout]    --> src/main.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn test_day25() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day13_22` is never used
[INFO] [stdout]    --> src/main.rs:340:4
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn test_day13_22() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V2I` is never constructed
[INFO] [stdout]  --> src/vector.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct V2I {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vector.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl V2I {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(x: i32, y: i32) -> V2I {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Day` is never used
[INFO] [stdout]  --> src/day.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Day<TData> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_test` is never used
[INFO] [stdout]   --> src/day.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run_with_test<TData, TDay: Day<TData>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_test_2` is never used
[INFO] [stdout]   --> src/day.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn run_with_test_2<TData, TDay: Day<TData>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_part_1` is never used
[INFO] [stdout]   --> src/day.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test_part_1<TData, TDay: Day<TData>>(day: &TDay, data: &TData) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_part_2` is never used
[INFO] [stdout]   --> src/day.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn test_part_2<TData, TDay: Day<TData>>(day: &TDay, data: &TData) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_data` is never used
[INFO] [stdout]   --> src/day.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn test_parse_data<TData, TDay: Day<TData>>(day: &TDay, file_content: String) -> TData {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_2` is never used
[INFO] [stdout]   --> src/day.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn run_2<TData, TDay: Day<TData>>(day: &TDay, file_name_1: &str, file_name_2: &str) -> std::io::Result<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> src/day.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn run<TData, TDay: Day<TData>>(day: &TDay, file_name: &str) -> std::io::Result<(i64, i64)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day1` is never constructed
[INFO] [stdout]  --> src/day1.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Day1;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day1.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day1.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn solve(lines: &Vec<String>, digits: Vec<(&str, i64)>) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day2` is never constructed
[INFO] [stdout]  --> src/day2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day2;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day2.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/day2.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/day2.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Color {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_in_round` is never used
[INFO] [stdout]   --> src/day2.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn total_in_round(round: &Vec<(u32, Color)>) -> (u32, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day3` is never constructed
[INFO] [stdout]  --> src/day3.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Day3;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]   --> src/day3.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Number {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day4` is never constructed
[INFO] [stdout]  --> src/day4.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day4;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day4.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/day4.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_num_winning` is never used
[INFO] [stdout]   --> src/day4.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 17 |     #[inline]
[INFO] [stdout] 18 |     pub fn get_num_winning(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/day5.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day5;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day5.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `transform` and `inv_transform` are never used
[INFO] [stdout]   --> src/day5.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Info {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn inv_transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/day5.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Map {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `transform` and `inv_transform` are never used
[INFO] [stdout]   --> src/day5.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Map {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 31 |     #[inline]
[INFO] [stdout] 32 |     pub fn transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn inv_transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `offset` is never used
[INFO] [stdout]    --> src/day5.rs:258:8
[INFO] [stdout]     |
[INFO] [stdout] 258 | pub fn offset(a: &Range<i64>, d: i64) -> Range<i64> { (a.start+d)..(a.end+d) }
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect` is never used
[INFO] [stdout]    --> src/day5.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub fn intersect(a: (Range<i64>, i64), b: (Range<i64>, i64)) 
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `difference_intersect` is never used
[INFO] [stdout]    --> src/day5.rs:304:4
[INFO] [stdout]     |
[INFO] [stdout] 304 | fn difference_intersect(a: Range<i64>, b: (Range<i64>, i64))
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Multi` is never used
[INFO] [stdout]    --> src/day5.rs:384:6
[INFO] [stdout]     |
[INFO] [stdout] 384 | enum Multi<T> {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_to` is never used
[INFO] [stdout]    --> src/day5.rs:391:12
[INFO] [stdout]     |
[INFO] [stdout] 390 | impl<T> Multi<T> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 391 |     pub fn push_to(self, vec: &mut Vec<T>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day6` is never constructed
[INFO] [stdout]  --> src/day6.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Day6;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day6.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day6.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn solve(t: f64, d: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day7` is never constructed
[INFO] [stdout]  --> src/day7.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day7;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day7.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/day7.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Hand([u32; 5], HandType);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HandType` is never used
[INFO] [stdout]   --> src/day7.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum HandType {Five = 7, Four = 6, Full = 5, Three = 4, Two = 3, One = 2, High = 1}
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cards_to_type_1` is never used
[INFO] [stdout]   --> src/day7.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn cards_to_type_1(cards: &[u32; 5]) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cards_to_type_2` is never used
[INFO] [stdout]   --> src/day7.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn cards_to_type_2(cards: &[u32; 5]) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_two_to_type` is never used
[INFO] [stdout]   --> src/day7.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn top_two_to_type(first: u32, second: u32) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOKER` is never used
[INFO] [stdout]   --> src/day7.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const JOKER: u32 = 11;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_to_value` is never used
[INFO] [stdout]   --> src/day7.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn char_to_value(c: char) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day8` is never constructed
[INFO] [stdout]   --> src/day8.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Day8;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day8.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/day8.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Node([char; 3]);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]   --> src/day8.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const START: Node = Node(['A', 'A', 'A']);
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `END` is never used
[INFO] [stdout]   --> src/day8.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const END: Node = Node(['Z', 'Z', 'Z']);
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day8.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Direction {Left, Right}
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day9` is never constructed
[INFO] [stdout]  --> src/day9.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day9;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day9.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_differences` is never used
[INFO] [stdout]   --> src/day9.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn take_differences(vec: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day10` is never constructed
[INFO] [stdout]  --> src/day10.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Day10;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day10.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_start_neighbors` is never used
[INFO] [stdout]    --> src/day10.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn get_start_neighbors(x: usize, y: usize, grid: &Vec<Vec<char>>) -> (Direction, Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_path_length` is never used
[INFO] [stdout]    --> src/day10.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_full_path_length<FN: Fn(Pos) -> Pos>(start: Pos, end: &(usize, usize), successor: FN) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_path` is never used
[INFO] [stdout]    --> src/day10.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn get_full_path<FN: Fn(Pos) -> Pos>(start: Pos, end: &(usize, usize), successor: FN) -> Vec<Pos> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/day10.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Pos((usize, usize), Direction);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_start` is never used
[INFO] [stdout]    --> src/day10.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn find_start(grid: &Vec<Vec<char>>) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grid` is never used
[INFO] [stdout]    --> src/day10.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn get_grid(pos: &(usize, usize), grid: &Vec<Vec<char>>) -> char {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `successor` is never used
[INFO] [stdout]    --> src/day10.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn successor(pos: Pos, grid: &Vec<Vec<char>>) -> Pos {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/day10.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub enum Direction {North, South, West, East}
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIRECTIONS` is never used
[INFO] [stdout]    --> src/day10.rs:174:18
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) const DIRECTIONS: [Direction; 4] = [Direction::North, Direction::South, Direction::East, Direction::West];
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/day10.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl Direction {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 177 |     pub(crate) fn transform(&self, pos: (usize, usize)) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub(crate) fn transform_range(&self, pos: (usize, usize), x_range: &Range<usize>, y_range: &Range<usize>) -> Option<(usize, usize)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub(crate) fn transform_i(&self, pos: (i64, i64)) -> (i64, i64) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub(crate) fn unit_i(&self, length: i64) -> (i64, i64) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     pub(crate) fn opposite_dir(&self) -> Direction {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn rotate_90_anticlockwise(&self) -> Direction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn rotate_90_clockwise(&self) -> Direction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pipe_to_connections` is never used
[INFO] [stdout]    --> src/day10.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn pipe_to_connections(c: char) -> Option<(Direction, Direction)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day11` is never constructed
[INFO] [stdout]  --> src/day11.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Day11;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day11.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn solve(galaxies: &Vec<(usize, usize)>, multiplier: usize) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombinationIterator` is never constructed
[INFO] [stdout]  --> src/combinations.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CombinationIterator<'a, T, const N: usize> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/combinations.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a, T, const N: usize> CombinationIterator<'a, T, N> {
[INFO] [stdout]    | --------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     pub(crate) fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CartesianIterator` is never constructed
[INFO] [stdout]   --> src/combinations.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct CartesianIterator<'a, T, const N: usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/combinations.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<'a, T, const N: usize> CartesianIterator<'a, T, N> {
[INFO] [stdout]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     pub(crate) fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day12` is never constructed
[INFO] [stdout]  --> src/day12.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Day12;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day12.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/day12.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day12.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `matches` is never used
[INFO] [stdout]   --> src/day12.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 28 |     pub fn matches(&self, other: &bool) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_matches` is never used
[INFO] [stdout]   --> src/day12.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn create_matches(game: &Game) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num_solutions` is never used
[INFO] [stdout]   --> src/day12.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_num_solutions(game: &Game) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_solutions_recursive` is never used
[INFO] [stdout]   --> src/day12.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn generate_solutions_recursive(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day13` is never constructed
[INFO] [stdout]  --> src/day13.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Day13;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day13.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RowIterator` is never constructed
[INFO] [stdout]   --> src/day13.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct RowIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day13.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl RowIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 69 |     pub fn new(i: usize, w: usize, h: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColumnIterator` is never constructed
[INFO] [stdout]    --> src/day13.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct ColumnIterator {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day13.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl ColumnIterator {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 128 |     pub fn new(i: usize, w: usize, h: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_1` is never used
[INFO] [stdout]    --> src/day13.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn test_1<IT>(mut it: IT, grid: &Vec<Vec<bool>>) -> bool
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_2` is never used
[INFO] [stdout]    --> src/day13.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test_2<IT>(it: IT, grid: &Vec<Vec<bool>>) -> bool
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day14` is never constructed
[INFO] [stdout]  --> src/day14.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day14;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day14.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day14.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `filled` is never used
[INFO] [stdout]   --> src/day14.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 21 |     pub fn filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day14.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn print_grid(grid: &Vec<Vec<Tile>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `grid_score` is never used
[INFO] [stdout]   --> src/day14.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn grid_score(grid: &Vec<Vec<Tile>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle` is never used
[INFO] [stdout]   --> src/day14.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn cycle(mut grid: Vec<Vec<Tile>>, data: &Data) -> Vec<Vec<Tile>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_up` is never used
[INFO] [stdout]    --> src/day14.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn slide_up(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_down` is never used
[INFO] [stdout]    --> src/day14.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn slide_down(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_left` is never used
[INFO] [stdout]    --> src/day14.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn slide_left(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_right` is never used
[INFO] [stdout]    --> src/day14.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn slide_right(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day15` is never constructed
[INFO] [stdout]  --> src/day15.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Day15;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day15.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/day15.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn hash(str: &str) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operation` is never used
[INFO] [stdout]   --> src/day15.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | enum Operation {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label` is never used
[INFO] [stdout]   --> src/day15.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Operation {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 79 |     pub fn label(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day16` is never constructed
[INFO] [stdout]  --> src/day16.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day16;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day16.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tile {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `char_to_tile` and `successors` are never used
[INFO] [stdout]   --> src/day16.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Tile {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |     pub fn char_to_tile(c: char) -> Tile {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn successors(&self, mut pos: Pos) -> Vec<Pos> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day16.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day16.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/day25.rs:89:22
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn part_2(&self, data: &Vec<Component>) -> i64 {
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `step` and `in_bounds` are never used
[INFO] [stdout]    --> src/day16.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Pos {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  99 |     pub fn step(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn in_bounds(&self, grid: &Grid<Tile>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day16.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn solve(start: Pos, grid: &Grid<Tile>) -> i64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid` is never constructed
[INFO] [stdout]  --> src/grid.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Grid<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/grid.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> Grid<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(grid: Vec<Vec<T>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get(&self, x: usize, y: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get_i(&self, x: i64, y: i64) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_cycle(&self, mut x: i64, mut y: i64) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn positions<FN: Fn(&T) -> bool>(&self, predicate: FN) -> Vec<(usize, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn map<X, FN: Fn(T) -> X>(self, func: FN) -> Grid<X> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridIter` is never constructed
[INFO] [stdout]   --> src/grid.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct GridIter<'a, T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day17` is never constructed
[INFO] [stdout]  --> src/day17.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day17;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]  --> src/day17.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Data = Grid<usize>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day17.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_left_and_step`, `turn_right_and_step`, and `move_forward` are never used
[INFO] [stdout]   --> src/day17.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pos {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 18 |     fn turn_left_and_step(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn turn_right_and_step(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn move_forward(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day18` is never constructed
[INFO] [stdout]  --> src/day18.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day18;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trench` is never constructed
[INFO] [stdout]  --> src/day18.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Trench {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]   --> src/day18.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Data = Vec<Trench>;
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day18.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn solve<'a, IT: Iterator<Item=(&'a Direction, i64)>>(iter: IT) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day19` is never constructed
[INFO] [stdout]   --> src/day19.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Day19;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day19.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Part` is never used
[INFO] [stdout]   --> src/day19.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Part {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rating` is never constructed
[INFO] [stdout]   --> src/day19.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Rating {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total` and `is_accepted` are never used
[INFO] [stdout]   --> src/day19.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Rating {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 63 |     pub fn total(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn is_accepted(&self, workflows: &HashMap<String, Workflow>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Workflow` is never constructed
[INFO] [stdout]   --> src/day19.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Workflow {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_result` is never used
[INFO] [stdout]   --> src/day19.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Workflow {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 83 |     pub fn get_result(&self, rating: &Rating) -> &WorkResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rule` is never constructed
[INFO] [stdout]   --> src/day19.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct Rule {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `applies_val`, `applies_rating`, `apply_range`, `apply_ranges`, and `negate` are never used
[INFO] [stdout]    --> src/day19.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Rule {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 137 |     pub fn applies_val(&self, val: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn applies_rating(&self, rating: &Rating) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn apply_range(&self, range: &Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn apply_ranges(&self, mut ranges: [Range<usize>; 4]) -> Option<[Range<usize>; 4]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn negate(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkResult` is never used
[INFO] [stdout]    --> src/day19.rs:177:10
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub enum WorkResult {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_workflow` is never used
[INFO] [stdout]    --> src/day19.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl WorkResult {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 192 |     pub fn is_workflow(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total` is never used
[INFO] [stdout]    --> src/day19.rs:212:4
[INFO] [stdout]     |
[INFO] [stdout] 212 | fn total(ranges: [Range<usize>; 4]) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inclusion_exclusion` is never used
[INFO] [stdout]    --> src/day19.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn inclusion_exclusion(ranges: &Vec<RangeD<4>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect` is never used
[INFO] [stdout]  --> src/ranges.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn intersect(a: &Range<usize>, b: &Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersects` is never used
[INFO] [stdout]   --> src/ranges.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) fn intersects(a: &Range<usize>, b: &Range<usize>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_n` is never used
[INFO] [stdout]   --> src/ranges.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn intersect_n<const N: usize>(a: &[Range<i64>; N], b: &[Range<i64>; N]) -> Option<[Range<i64>; N]> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_max_xy` is never used
[INFO] [stdout]   --> src/ranges.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn min_max_xy<Iter, Idx>(iter: Iter) -> Option<(Range<Idx>, Range<Idx>)>
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_max_comp` is never used
[INFO] [stdout]   --> src/ranges.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn min_max_comp<Iter, Idx, const N: usize>(iter: Iter) -> Option<([Idx; N], [Idx; N])>
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]    --> src/ranges.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         fn increment<const N: usize>(indices: &mut [usize; N], ranges: &RangeD<N>, i: usize) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day20` is never constructed
[INFO] [stdout]  --> src/day20.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Day20;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ModuleType` is never used
[INFO] [stdout]   --> src/day20.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum ModuleType {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISABLED` is never used
[INFO] [stdout]   --> src/day20.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const DISABLED: &str = "□";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENABLED` is never used
[INFO] [stdout]   --> src/day20.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ENABLED: &str = "■";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/day20.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Module {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label_fmt` is never used
[INFO] [stdout]   --> src/day20.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Module {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 74 |     pub fn label_fmt(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pulse` is never constructed
[INFO] [stdout]   --> src/day20.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Pulse {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day20.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl Pulse {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 101 |     pub fn new(from: String, pulse: bool) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process_signal` is never used
[INFO] [stdout]    --> src/day20.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Module {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 107 |     pub fn process_signal(&mut self, pulse: Pulse) -> Option<Pulse> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]    --> src/day20.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub type Data = HashMap<String, Module>;
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_modules` is never used
[INFO] [stdout]    --> src/day20.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn step_modules(mut data: Data) -> (Data, (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_modules_2` is never used
[INFO] [stdout]    --> src/day20.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn step_modules_2(mut data: Data) -> (Data, Vec<Pulse>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day21` is never constructed
[INFO] [stdout]   --> src/day21.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Day21;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day21.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_garden` is never used
[INFO] [stdout]   --> src/day21.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 23 |     pub fn is_garden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day21.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_and_eval_polynomial` is never used
[INFO] [stdout]   --> src/day21.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn solve_and_eval_polynomial(points: &[(f64, f64); 3], x: f64) -> Option<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `improved_solution` is never used
[INFO] [stdout]   --> src/day21.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn improved_solution(data: &Data, num_steps: usize, start_set: IndexSet<(i64, i64)>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive` is never used
[INFO] [stdout]    --> src/day21.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn naive(data: &Data, num_steps: usize) -> IndexSet<(i64, i64)> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_positions` is never used
[INFO] [stdout]    --> src/day21.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn step_positions(mut positions: IndexSet<(usize, usize)>, grid: &Grid<Tile>) -> IndexSet<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]    --> src/day21.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn print_grid(grid: &Grid<Tile>, positions: &IndexSet<(usize, usize)>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid_cycle` is never used
[INFO] [stdout]    --> src/day21.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn print_grid_cycle(grid: &Grid<Tile>, positions: &IndexSet<(i64, i64)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day22` is never constructed
[INFO] [stdout]  --> src/day22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day22;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]  --> src/day22.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Data = Vec<RangeD<3>>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day23` is never constructed
[INFO] [stdout]  --> src/day23.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Day23;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day23.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day23.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_walk_on` and `is_walkable` are never used
[INFO] [stdout]   --> src/day23.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Tile {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 24 |     pub fn can_walk_on(&self, dir: Direction) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_walkable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]   --> src/day23.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | type Map = HashMap<(usize, usize), Vec<((usize, usize), i64)>>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day23.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solve(grid: &Grid<Tile>) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_map` is never used
[INFO] [stdout]    --> src/day23.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn generate_map(grid: &Grid<Tile>) -> Map { 
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `successors` is never used
[INFO] [stdout]    --> src/day23.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn successors(pos: Pos, grid: &Grid<Tile>) -> Vec<Pos> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day24` is never constructed
[INFO] [stdout]  --> src/day24.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day24;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hail` is never constructed
[INFO] [stdout]  --> src/day24.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Hail {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/day24.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Hail {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 14 |     pub fn intersect_2d(&self, other: &Self) -> Option<([f64; 2], f64, f64)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn eval(&self, t: f64) -> [f64; 3] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn sx(&self) -> f64 { self.pos[0] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 30 |     pub fn sy(&self) -> f64 { self.pos[1] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 31 |     pub fn sz(&self) -> f64 { self.pos[2] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 32 |     pub fn ux(&self) -> f64 { self.vel[0] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 33 |     pub fn uy(&self) -> f64 { self.vel[1] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 34 |     pub fn uz(&self) -> f64 { self.vel[2] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_2d` is never used
[INFO] [stdout]   --> src/day24.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn intersect_2d(v1: [f64; 2], v2: [f64; 2], v3: [f64; 2], v4: [f64; 2]) -> Option<([f64; 2], f64, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day24.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn solve(mut hails: [Hail; 5]) -> Option<f64> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient_descent` is never used
[INFO] [stdout]  --> src/slope_descent.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn gradient_descent<const N: usize, FN>(
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_grad_descent` is never used
[INFO] [stdout]   --> src/slope_descent.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub(crate) fn test_grad_descent() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_minimum` is never used
[INFO] [stdout]   --> src/slope_descent.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn find_minimum<const N: usize, FN>(func: FN, start: Option<[f64; N]>) -> ([f64; N], f64)
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]    --> src/slope_descent.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Target<const N: usize, X, FN>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SteepestDescent` is never used
[INFO] [stdout]    --> src/slope_descent.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub trait SteepestDescent<const N: usize, X> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_order` is never used
[INFO] [stdout]    --> src/slope_descent.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn first_order<FN, X>(f: &FN, x: X, h: X) -> X
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partial` is never used
[INFO] [stdout]    --> src/slope_descent.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn partial<const N: usize, FN, X>(f: &FN, x: &[X; N], i: usize, h: X) -> X
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient` is never used
[INFO] [stdout]    --> src/slope_descent.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn gradient<const N: usize, FN, X>(f: &FN, x: &[X; N], h: X) -> [X; N]
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]    --> src/slope_descent.rs:266:4
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn newton<const N: usize, X>(points: &[(X, X); N]) -> [X; N]
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_newton` is never used
[INFO] [stdout]    --> src/slope_descent.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn rec_newton<const N: usize, X>(points: &[(X, X); N], coefs: &mut Vec<X>)
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate` is never used
[INFO] [stdout]    --> src/slope_descent.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn evaluate<const N: usize, X>(x: X, coefs: &Vec<X>, points: &[(X, X); N]) -> X
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day25` is never constructed
[INFO] [stdout]   --> src/day25.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Day25;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Component` is never constructed
[INFO] [stdout]   --> src/day25.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Component {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_group` and `to_range` are never used
[INFO] [stdout]   --> src/day25.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Component {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 23 |     pub fn to_group(self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_range(&self) -> Range<usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_edge` is never used
[INFO] [stdout]   --> src/day25.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn add_edge<N: Eq + Hash + Clone>(map: &mut HashMap<N, Vec<N>>, a: N, b: N) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_edge` is never used
[INFO] [stdout]   --> src/day25.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn remove_edge<N: Eq + Hash + Clone + Debug>(map: &mut HashMap<N, Vec<N>>, a: &N, b: &N) -> (N, N) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_triple_edges` is never used
[INFO] [stdout]    --> src/day25.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn remove_triple_edges(map: &mut HashMap<String, Vec<String>>, start: &String, end: &String) -> Result<(), String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_expand` is never used
[INFO] [stdout]  --> src/graph.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn all_expand<N, FN, IN>(start: N, mut successors: FN) -> Vec<HashSet<N>>
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floyd_warshall` is never used
[INFO] [stdout]   --> src/graph.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn floyd_warshall<C>(adjacency_matrix: &[Vec<C>]) -> Vec<Vec<C>>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_or_inf` is never used
[INFO] [stdout]   --> src/graph.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     impl<C: Ord + Add<Output = C>> Grid<C> {
[INFO] [stdout]    |     -------------------------------------- method in this implementation
[INFO] [stdout] 51 |         pub fn unwrap_or_inf(self, def: C) -> C {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_adjacency_matrix` is never used
[INFO] [stdout]   --> src/graph.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn create_adjacency_matrix<N, C, FN, IN>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_adjacency_matrix` is never used
[INFO] [stdout]    --> src/graph.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn test_adjacency_matrix() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day1322` is never constructed
[INFO] [stdout]  --> src/day13_22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day1322;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketData` is never used
[INFO] [stdout]  --> src/day13_22.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum PacketData {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtracking` is never used
[INFO] [stdout]  --> src/backtracking/backtracking.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn backtracking<S, A, FN, IN, FS>(start: S, mut successors: FN, mut success: FS) -> Option<S>
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/backtracking/backtracking.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn step<S, A, FN, IN, FS>(mut state: S, successors: &mut FN, success: &mut FS) -> Result<S, S>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let result = result.parse().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:203:53
[INFO] [stdout]     |
[INFO] [stdout] 203 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 204 | |         Ok(match s {
[INFO] [stdout] 205 | |             "A" => WorkResult::Accepted(true),
[INFO] [stdout] 206 | |             "R" => WorkResult::Accepted(false),
[INFO] [stdout] 207 | |             x => WorkResult::Workflow(x.to_owned()),
[INFO] [stdout] 208 | |         })
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | /         Ok(match s {
[INFO] [stdout] 205 | |             "A" => WorkResult::Accepted(true),
[INFO] [stdout] 206 | |             "R" => WorkResult::Accepted(false),
[INFO] [stdout] 207 | |             x => WorkResult::Workflow(x.to_owned()),
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:236:27
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let default = rules.pop().unwrap().parse().unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ranges.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> RangeDIterator<N> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> RangeDIterator<'_, N> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         const a: f64 = -2.5;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 71 -         const a: f64 = -2.5;
[INFO] [stdout] 71 +         const A: f64 = -2.5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         const b: f64 = 3.0;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 72 -         const b: f64 = 3.0;
[INFO] [stdout] 72 +         const B: f64 = 3.0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `c` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |         const c: f64 = 1.95;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 73 -         const c: f64 = 1.95;
[INFO] [stdout] 73 +         const C: f64 = 1.95;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `states_explored` should have an upper case name
[INFO] [stdout]   --> src/backtracking/sudoku.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | static mut states_explored: i32 = 0;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 91 - static mut states_explored: i32 = 0;
[INFO] [stdout] 91 + static mut STATES_EXPLORED: i32 = 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |             .find(|(x, c)| **c == 0)).next().unwrap().0;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:201:23
[INFO] [stdout]     |
[INFO] [stdout] 201 |         .filter_map(|(y, b)| b.iter().enumerate()
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/backtracking/sudoku.rs:164:9
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let board = [
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_test` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn full_test() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day1` is never used
[INFO] [stdout]   --> src/main.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn test_day1() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day2` is never used
[INFO] [stdout]   --> src/main.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn test_day2() -> std::io::Result<()> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day3` is never used
[INFO] [stdout]    --> src/main.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn test_day3() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day4` is never used
[INFO] [stdout]    --> src/main.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn test_day4() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day5` is never used
[INFO] [stdout]    --> src/main.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn test_day5() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day6` is never used
[INFO] [stdout]    --> src/main.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn test_day6() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day7` is never used
[INFO] [stdout]    --> src/main.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn test_day7() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day8` is never used
[INFO] [stdout]    --> src/main.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn test_day8() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day9` is never used
[INFO] [stdout]    --> src/main.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn test_day9() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day10` is never used
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn test_day10() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day11` is never used
[INFO] [stdout]    --> src/main.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn test_day11() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day12` is never used
[INFO] [stdout]    --> src/main.rs:200:4
[INFO] [stdout]     |
[INFO] [stdout] 200 | fn test_day12() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day13` is never used
[INFO] [stdout]    --> src/main.rs:210:4
[INFO] [stdout]     |
[INFO] [stdout] 210 | fn test_day13() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day14` is never used
[INFO] [stdout]    --> src/main.rs:220:4
[INFO] [stdout]     |
[INFO] [stdout] 220 | fn test_day14() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day15` is never used
[INFO] [stdout]    --> src/main.rs:230:4
[INFO] [stdout]     |
[INFO] [stdout] 230 | fn test_day15() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day16` is never used
[INFO] [stdout]    --> src/main.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn test_day16() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day17` is never used
[INFO] [stdout]    --> src/main.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn test_day17() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day18` is never used
[INFO] [stdout]    --> src/main.rs:260:4
[INFO] [stdout]     |
[INFO] [stdout] 260 | fn test_day18() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day19` is never used
[INFO] [stdout]    --> src/main.rs:270:4
[INFO] [stdout]     |
[INFO] [stdout] 270 | fn test_day19() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day20` is never used
[INFO] [stdout]    --> src/main.rs:280:4
[INFO] [stdout]     |
[INFO] [stdout] 280 | fn test_day20() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day21` is never used
[INFO] [stdout]    --> src/main.rs:290:4
[INFO] [stdout]     |
[INFO] [stdout] 290 | fn test_day21() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day22` is never used
[INFO] [stdout]    --> src/main.rs:300:4
[INFO] [stdout]     |
[INFO] [stdout] 300 | fn test_day22() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day23` is never used
[INFO] [stdout]    --> src/main.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn test_day23() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day24` is never used
[INFO] [stdout]    --> src/main.rs:320:4
[INFO] [stdout]     |
[INFO] [stdout] 320 | fn test_day24() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day25` is never used
[INFO] [stdout]    --> src/main.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn test_day25() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_day13_22` is never used
[INFO] [stdout]    --> src/main.rs:340:4
[INFO] [stdout]     |
[INFO] [stdout] 340 | fn test_day13_22() -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `V2I` is never constructed
[INFO] [stdout]  --> src/vector.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct V2I {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/vector.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl V2I {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn new(x: i32, y: i32) -> V2I {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Day` is never used
[INFO] [stdout]  --> src/day.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Day<TData> {
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_test` is never used
[INFO] [stdout]   --> src/day.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run_with_test<TData, TDay: Day<TData>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_with_test_2` is never used
[INFO] [stdout]   --> src/day.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn run_with_test_2<TData, TDay: Day<TData>>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_part_1` is never used
[INFO] [stdout]   --> src/day.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn test_part_1<TData, TDay: Day<TData>>(day: &TDay, data: &TData) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_part_2` is never used
[INFO] [stdout]   --> src/day.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn test_part_2<TData, TDay: Day<TData>>(day: &TDay, data: &TData) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_parse_data` is never used
[INFO] [stdout]   --> src/day.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn test_parse_data<TData, TDay: Day<TData>>(day: &TDay, file_content: String) -> TData {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_2` is never used
[INFO] [stdout]   --> src/day.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn run_2<TData, TDay: Day<TData>>(day: &TDay, file_name_1: &str, file_name_2: &str) -> std::io::Result<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> src/day.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn run<TData, TDay: Day<TData>>(day: &TDay, file_name: &str) -> std::io::Result<(i64, i64)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day1` is never constructed
[INFO] [stdout]  --> src/day1.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Day1;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day1.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day1.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn solve(lines: &Vec<String>, digits: Vec<(&str, i64)>) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day2` is never constructed
[INFO] [stdout]  --> src/day2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day2;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day2.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/day2.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/day2.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub enum Color {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total_in_round` is never used
[INFO] [stdout]   --> src/day2.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn total_in_round(round: &Vec<(u32, Color)>) -> (u32, u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day3` is never constructed
[INFO] [stdout]  --> src/day3.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Day3;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day3.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Number` is never constructed
[INFO] [stdout]   --> src/day3.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Number {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day4` is never constructed
[INFO] [stdout]  --> src/day4.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day4;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day4.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]   --> src/day4.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_num_winning` is never used
[INFO] [stdout]   --> src/day4.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Card {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 17 |     #[inline]
[INFO] [stdout] 18 |     pub fn get_num_winning(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/day5.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day5;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day5.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `transform` and `inv_transform` are never used
[INFO] [stdout]   --> src/day5.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Info {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 14 |     #[inline]
[INFO] [stdout] 15 |     pub fn transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn inv_transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/day5.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Map {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `transform` and `inv_transform` are never used
[INFO] [stdout]   --> src/day5.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Map {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 31 |     #[inline]
[INFO] [stdout] 32 |     pub fn transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn inv_transform(&self, n: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect` is never used
[INFO] [stdout]    --> src/day5.rs:265:8
[INFO] [stdout]     |
[INFO] [stdout] 265 | pub fn intersect(a: (Range<i64>, i64), b: (Range<i64>, i64)) 
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `difference_intersect` is never used
[INFO] [stdout]    --> src/day5.rs:304:4
[INFO] [stdout]     |
[INFO] [stdout] 304 | fn difference_intersect(a: Range<i64>, b: (Range<i64>, i64))
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Multi` is never used
[INFO] [stdout]    --> src/day5.rs:384:6
[INFO] [stdout]     |
[INFO] [stdout] 384 | enum Multi<T> {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_to` is never used
[INFO] [stdout]    --> src/day5.rs:391:12
[INFO] [stdout]     |
[INFO] [stdout] 390 | impl<T> Multi<T> {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] 391 |     pub fn push_to(self, vec: &mut Vec<T>) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day6` is never constructed
[INFO] [stdout]  --> src/day6.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Day6;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Info` is never constructed
[INFO] [stdout]  --> src/day6.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Info {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day6.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn solve(t: f64, d: f64) -> f64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day7` is never constructed
[INFO] [stdout]  --> src/day7.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day7;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day7.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/day7.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Hand([u32; 5], HandType);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `HandType` is never used
[INFO] [stdout]   --> src/day7.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum HandType {Five = 7, Four = 6, Full = 5, Three = 4, Two = 3, One = 2, High = 1}
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cards_to_type_1` is never used
[INFO] [stdout]   --> src/day7.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn cards_to_type_1(cards: &[u32; 5]) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cards_to_type_2` is never used
[INFO] [stdout]   --> src/day7.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn cards_to_type_2(cards: &[u32; 5]) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_two_to_type` is never used
[INFO] [stdout]   --> src/day7.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn top_two_to_type(first: u32, second: u32) -> HandType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JOKER` is never used
[INFO] [stdout]   --> src/day7.rs:66:7
[INFO] [stdout]    |
[INFO] [stdout] 66 | const JOKER: u32 = 11;
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `char_to_value` is never used
[INFO] [stdout]   --> src/day7.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn char_to_value(c: char) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day8` is never constructed
[INFO] [stdout]   --> src/day8.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Day8;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day8.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]   --> src/day8.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Node([char; 3]);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `START` is never used
[INFO] [stdout]   --> src/day8.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const START: Node = Node(['A', 'A', 'A']);
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `END` is never used
[INFO] [stdout]   --> src/day8.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const END: Node = Node(['Z', 'Z', 'Z']);
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/day8.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub enum Direction {Left, Right}
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day9` is never constructed
[INFO] [stdout]  --> src/day9.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day9;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day9.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_differences` is never used
[INFO] [stdout]   --> src/day9.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn take_differences(vec: &mut Vec<i64>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day10` is never constructed
[INFO] [stdout]  --> src/day10.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Day10;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day10.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_start_neighbors` is never used
[INFO] [stdout]    --> src/day10.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn get_start_neighbors(x: usize, y: usize, grid: &Vec<Vec<char>>) -> (Direction, Direction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_path_length` is never used
[INFO] [stdout]    --> src/day10.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_full_path_length<FN: Fn(Pos) -> Pos>(start: Pos, end: &(usize, usize), successor: FN) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_path` is never used
[INFO] [stdout]    --> src/day10.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn get_full_path<FN: Fn(Pos) -> Pos>(start: Pos, end: &(usize, usize), successor: FN) -> Vec<Pos> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/day10.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | struct Pos((usize, usize), Direction);
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_start` is never used
[INFO] [stdout]    --> src/day10.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn find_start(grid: &Vec<Vec<char>>) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_grid` is never used
[INFO] [stdout]    --> src/day10.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn get_grid(pos: &(usize, usize), grid: &Vec<Vec<char>>) -> char {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `successor` is never used
[INFO] [stdout]    --> src/day10.rs:157:4
[INFO] [stdout]     |
[INFO] [stdout] 157 | fn successor(pos: Pos, grid: &Vec<Vec<char>>) -> Pos {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/day10.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 | pub enum Direction {North, South, West, East}
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIRECTIONS` is never used
[INFO] [stdout]    --> src/day10.rs:174:18
[INFO] [stdout]     |
[INFO] [stdout] 174 | pub(crate) const DIRECTIONS: [Direction; 4] = [Direction::North, Direction::South, Direction::East, Direction::West];
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/day10.rs:177:19
[INFO] [stdout]     |
[INFO] [stdout] 176 | impl Direction {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 177 |     pub(crate) fn transform(&self, pos: (usize, usize)) -> (usize, usize) {
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     pub(crate) fn transform_range(&self, pos: (usize, usize), x_range: &Range<usize>, y_range: &Range<usize>) -> Option<(usize, usize)> {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub(crate) fn transform_i(&self, pos: (i64, i64)) -> (i64, i64) {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 207 |     pub(crate) fn unit_i(&self, length: i64) -> (i64, i64) {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 216 |     pub(crate) fn opposite_dir(&self) -> Direction {
[INFO] [stdout]     |                   ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn rotate_90_anticlockwise(&self) -> Direction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 234 |     fn rotate_90_clockwise(&self) -> Direction {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pipe_to_connections` is never used
[INFO] [stdout]    --> src/day10.rs:244:4
[INFO] [stdout]     |
[INFO] [stdout] 244 | fn pipe_to_connections(c: char) -> Option<(Direction, Direction)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day11` is never constructed
[INFO] [stdout]  --> src/day11.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Day11;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day11.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn solve(galaxies: &Vec<(usize, usize)>, multiplier: usize) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CombinationIterator` is never constructed
[INFO] [stdout]  --> src/combinations.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct CombinationIterator<'a, T, const N: usize> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/combinations.rs:36:19
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl<'a, T, const N: usize> CombinationIterator<'a, T, N> {
[INFO] [stdout]    | --------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 36 |     pub(crate) fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CartesianIterator` is never constructed
[INFO] [stdout]   --> src/combinations.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct CartesianIterator<'a, T, const N: usize> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/combinations.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl<'a, T, const N: usize> CartesianIterator<'a, T, N> {
[INFO] [stdout]    | ------------------------------------------------------- associated function in this implementation
[INFO] [stdout] 55 |     pub(crate) fn new(slice: &'a [T]) -> Self {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day12` is never constructed
[INFO] [stdout]  --> src/day12.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Day12;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day12.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Game` is never constructed
[INFO] [stdout]   --> src/day12.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Game {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day12.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `matches` is never used
[INFO] [stdout]   --> src/day12.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 28 |     pub fn matches(&self, other: &bool) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_matches` is never used
[INFO] [stdout]   --> src/day12.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn create_matches(game: &Game) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_num_solutions` is never used
[INFO] [stdout]   --> src/day12.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn get_num_solutions(game: &Game) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_solutions_recursive` is never used
[INFO] [stdout]   --> src/day12.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn generate_solutions_recursive(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day13` is never constructed
[INFO] [stdout]  --> src/day13.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Day13;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day13.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RowIterator` is never constructed
[INFO] [stdout]   --> src/day13.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct RowIterator {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day13.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl RowIterator {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 69 |     pub fn new(i: usize, w: usize, h: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ColumnIterator` is never constructed
[INFO] [stdout]    --> src/day13.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct ColumnIterator {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day13.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl ColumnIterator {
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] 128 |     pub fn new(i: usize, w: usize, h: usize) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_1` is never used
[INFO] [stdout]    --> src/day13.rs:139:4
[INFO] [stdout]     |
[INFO] [stdout] 139 | fn test_1<IT>(mut it: IT, grid: &Vec<Vec<bool>>) -> bool
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_2` is never used
[INFO] [stdout]    --> src/day13.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn test_2<IT>(it: IT, grid: &Vec<Vec<bool>>) -> bool
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day14` is never constructed
[INFO] [stdout]  --> src/day14.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day14;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day14.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day14.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `filled` is never used
[INFO] [stdout]   --> src/day14.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 21 |     pub fn filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day14.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn print_grid(grid: &Vec<Vec<Tile>>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `grid_score` is never used
[INFO] [stdout]   --> src/day14.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn grid_score(grid: &Vec<Vec<Tile>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cycle` is never used
[INFO] [stdout]   --> src/day14.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn cycle(mut grid: Vec<Vec<Tile>>, data: &Data) -> Vec<Vec<Tile>> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_up` is never used
[INFO] [stdout]    --> src/day14.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn slide_up(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_down` is never used
[INFO] [stdout]    --> src/day14.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn slide_down(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_left` is never used
[INFO] [stdout]    --> src/day14.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn slide_left(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slide_right` is never used
[INFO] [stdout]    --> src/day14.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn slide_right(grid: &mut Vec<Vec<Tile>>, data: &Data) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day15` is never constructed
[INFO] [stdout]  --> src/day15.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Day15;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]  --> src/day15.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Data {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash` is never used
[INFO] [stdout]   --> src/day15.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn hash(str: &str) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operation` is never used
[INFO] [stdout]   --> src/day15.rs:73:6
[INFO] [stdout]    |
[INFO] [stdout] 73 | enum Operation {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label` is never used
[INFO] [stdout]   --> src/day15.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 78 | impl Operation {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 79 |     pub fn label(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day16` is never constructed
[INFO] [stdout]  --> src/day16.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day16;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]  --> src/day16.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Tile {
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `char_to_tile` and `successors` are never used
[INFO] [stdout]   --> src/day16.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Tile {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 26 |     pub fn char_to_tile(c: char) -> Tile {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn successors(&self, mut pos: Pos) -> Vec<Pos> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day16.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day16.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `step` and `in_bounds` are never used
[INFO] [stdout]    --> src/day16.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Pos {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  99 |     pub fn step(&mut self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn in_bounds(&self, grid: &Grid<Tile>) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day16.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn solve(start: Pos, grid: &Grid<Tile>) -> i64 {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grid` is never constructed
[INFO] [stdout]  --> src/grid.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Grid<T> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/grid.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<T> Grid<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(grid: Vec<Vec<T>>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn get(&self, x: usize, y: usize) -> Option<&T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_mut(&mut self, x: usize, y: usize) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn get_i(&self, x: i64, y: i64) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn get_cycle(&self, mut x: i64, mut y: i64) -> Option<&T> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn positions<FN: Fn(&T) -> bool>(&self, predicate: FN) -> Vec<(usize, usize)> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn map<X, FN: Fn(T) -> X>(self, func: FN) -> Grid<X> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GridIter` is never constructed
[INFO] [stdout]   --> src/grid.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct GridIter<'a, T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day17` is never constructed
[INFO] [stdout]  --> src/day17.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day17;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]  --> src/day17.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Data = Grid<usize>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day17.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_left_and_step`, `turn_right_and_step`, and `move_forward` are never used
[INFO] [stdout]   --> src/day17.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Pos {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] 18 |     fn turn_left_and_step(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn turn_right_and_step(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn move_forward(&self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day18` is never constructed
[INFO] [stdout]  --> src/day18.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day18;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trench` is never constructed
[INFO] [stdout]  --> src/day18.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Trench {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]   --> src/day18.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Data = Vec<Trench>;
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day18.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn solve<'a, IT: Iterator<Item=(&'a Direction, i64)>>(iter: IT) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day19` is never constructed
[INFO] [stdout]   --> src/day19.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Day19;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day19.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Part` is never used
[INFO] [stdout]   --> src/day19.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Part {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rating` is never constructed
[INFO] [stdout]   --> src/day19.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct Rating {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total` and `is_accepted` are never used
[INFO] [stdout]   --> src/day19.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Rating {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] 63 |     pub fn total(&self) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn is_accepted(&self, workflows: &HashMap<String, Workflow>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Workflow` is never constructed
[INFO] [stdout]   --> src/day19.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Workflow {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_result` is never used
[INFO] [stdout]   --> src/day19.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Workflow {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 83 |     pub fn get_result(&self, rating: &Rating) -> &WorkResult {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rule` is never constructed
[INFO] [stdout]   --> src/day19.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub struct Rule {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `applies_val`, `applies_rating`, `apply_range`, `apply_ranges`, and `negate` are never used
[INFO] [stdout]    --> src/day19.rs:137:12
[INFO] [stdout]     |
[INFO] [stdout] 136 | impl Rule {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 137 |     pub fn applies_val(&self, val: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn applies_rating(&self, rating: &Rating) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn apply_range(&self, range: &Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn apply_ranges(&self, mut ranges: [Range<usize>; 4]) -> Option<[Range<usize>; 4]> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn negate(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `WorkResult` is never used
[INFO] [stdout]    --> src/day19.rs:177:10
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub enum WorkResult {
[INFO] [stdout]     |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_workflow` is never used
[INFO] [stdout]    --> src/day19.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl WorkResult {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 192 |     pub fn is_workflow(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `total` is never used
[INFO] [stdout]    --> src/day19.rs:212:4
[INFO] [stdout]     |
[INFO] [stdout] 212 | fn total(ranges: [Range<usize>; 4]) -> usize {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `inclusion_exclusion` is never used
[INFO] [stdout]    --> src/day19.rs:216:4
[INFO] [stdout]     |
[INFO] [stdout] 216 | fn inclusion_exclusion(ranges: &Vec<RangeD<4>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect` is never used
[INFO] [stdout]  --> src/ranges.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) fn intersect(a: &Range<usize>, b: &Range<usize>) -> Option<Range<usize>> {
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersects` is never used
[INFO] [stdout]   --> src/ranges.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub(crate) fn intersects(a: &Range<usize>, b: &Range<usize>) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_n` is never used
[INFO] [stdout]   --> src/ranges.rs:16:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub(crate) fn intersect_n<const N: usize>(a: &[Range<i64>; N], b: &[Range<i64>; N]) -> Option<[Range<i64>; N]> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_max_xy` is never used
[INFO] [stdout]   --> src/ranges.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub(crate) fn min_max_xy<Iter, Idx>(iter: Iter) -> Option<(Range<Idx>, Range<Idx>)>
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min_max_comp` is never used
[INFO] [stdout]   --> src/ranges.rs:53:15
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) fn min_max_comp<Iter, Idx, const N: usize>(iter: Iter) -> Option<([Idx; N], [Idx; N])>
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `increment` is never used
[INFO] [stdout]    --> src/ranges.rs:189:12
[INFO] [stdout]     |
[INFO] [stdout] 189 |         fn increment<const N: usize>(indices: &mut [usize; N], ranges: &RangeD<N>, i: usize) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day20` is never constructed
[INFO] [stdout]  --> src/day20.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Day20;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ModuleType` is never used
[INFO] [stdout]   --> src/day20.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum ModuleType {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DISABLED` is never used
[INFO] [stdout]   --> src/day20.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const DISABLED: &str = "□";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ENABLED` is never used
[INFO] [stdout]   --> src/day20.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const ENABLED: &str = "■";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Module` is never constructed
[INFO] [stdout]   --> src/day20.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Module {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `label_fmt` is never used
[INFO] [stdout]   --> src/day20.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl Module {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 74 |     pub fn label_fmt(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pulse` is never constructed
[INFO] [stdout]   --> src/day20.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub struct Pulse {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day20.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl Pulse {
[INFO] [stdout]     | ---------- associated function in this implementation
[INFO] [stdout] 101 |     pub fn new(from: String, pulse: bool) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `process_signal` is never used
[INFO] [stdout]    --> src/day20.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Module {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 107 |     pub fn process_signal(&mut self, pulse: Pulse) -> Option<Pulse> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]    --> src/day20.rs:126:10
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub type Data = HashMap<String, Module>;
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_modules` is never used
[INFO] [stdout]    --> src/day20.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn step_modules(mut data: Data) -> (Data, (usize, usize)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_modules_2` is never used
[INFO] [stdout]    --> src/day20.rs:145:4
[INFO] [stdout]     |
[INFO] [stdout] 145 | fn step_modules_2(mut data: Data) -> (Data, Vec<Pulse>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day21` is never constructed
[INFO] [stdout]   --> src/day21.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Day21;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day21.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_garden` is never used
[INFO] [stdout]   --> src/day21.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Tile {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 23 |     pub fn is_garden(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Data` is never constructed
[INFO] [stdout]   --> src/day21.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Data {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_and_eval_polynomial` is never used
[INFO] [stdout]   --> src/day21.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn solve_and_eval_polynomial(points: &[(f64, f64); 3], x: f64) -> Option<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `improved_solution` is never used
[INFO] [stdout]   --> src/day21.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn improved_solution(data: &Data, num_steps: usize, start_set: IndexSet<(i64, i64)>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `naive` is never used
[INFO] [stdout]    --> src/day21.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn naive(data: &Data, num_steps: usize) -> IndexSet<(i64, i64)> {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step_positions` is never used
[INFO] [stdout]    --> src/day21.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn step_positions(mut positions: IndexSet<(usize, usize)>, grid: &Grid<Tile>) -> IndexSet<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]    --> src/day21.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn print_grid(grid: &Grid<Tile>, positions: &IndexSet<(usize, usize)>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid_cycle` is never used
[INFO] [stdout]    --> src/day21.rs:169:4
[INFO] [stdout]     |
[INFO] [stdout] 169 | fn print_grid_cycle(grid: &Grid<Tile>, positions: &IndexSet<(i64, i64)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day22` is never constructed
[INFO] [stdout]  --> src/day22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day22;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Data` is never used
[INFO] [stdout]  --> src/day22.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Data = Vec<RangeD<3>>;
[INFO] [stdout]   |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day23` is never constructed
[INFO] [stdout]  --> src/day23.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Day23;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]   --> src/day23.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Pos {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tile` is never used
[INFO] [stdout]   --> src/day23.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub enum Tile {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `can_walk_on` and `is_walkable` are never used
[INFO] [stdout]   --> src/day23.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Tile {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 24 |     pub fn can_walk_on(&self, dir: Direction) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_walkable(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Map` is never used
[INFO] [stdout]   --> src/day23.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 | type Map = HashMap<(usize, usize), Vec<((usize, usize), i64)>>;
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day23.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solve(grid: &Grid<Tile>) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_map` is never used
[INFO] [stdout]    --> src/day23.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn generate_map(grid: &Grid<Tile>) -> Map { 
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `successors` is never used
[INFO] [stdout]    --> src/day23.rs:203:4
[INFO] [stdout]     |
[INFO] [stdout] 203 | fn successors(pos: Pos, grid: &Grid<Tile>) -> Vec<Pos> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day24` is never constructed
[INFO] [stdout]  --> src/day24.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day24;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hail` is never constructed
[INFO] [stdout]  --> src/day24.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Hail {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]   --> src/day24.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Hail {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 14 |     pub fn intersect_2d(&self, other: &Self) -> Option<([f64; 2], f64, f64)> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn eval(&self, t: f64) -> [f64; 3] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn sx(&self) -> f64 { self.pos[0] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 30 |     pub fn sy(&self) -> f64 { self.pos[1] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 31 |     pub fn sz(&self) -> f64 { self.pos[2] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 32 |     pub fn ux(&self) -> f64 { self.vel[0] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 33 |     pub fn uy(&self) -> f64 { self.vel[1] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 34 |     pub fn uz(&self) -> f64 { self.vel[2] }
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `intersect_2d` is never used
[INFO] [stdout]   --> src/day24.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn intersect_2d(v1: [f64; 2], v2: [f64; 2], v3: [f64; 2], v4: [f64; 2]) -> Option<([f64; 2], f64, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day24.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn solve(mut hails: [Hail; 5]) -> Option<f64> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient_descent` is never used
[INFO] [stdout]  --> src/slope_descent.rs:9:15
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub(crate) fn gradient_descent<const N: usize, FN>(
[INFO] [stdout]   |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_grad_descent` is never used
[INFO] [stdout]   --> src/slope_descent.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub(crate) fn test_grad_descent() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_minimum` is never used
[INFO] [stdout]   --> src/slope_descent.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 97 | pub fn find_minimum<const N: usize, FN>(func: FN, start: Option<[f64; N]>) -> ([f64; N], f64)
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Target` is never constructed
[INFO] [stdout]    --> src/slope_descent.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Target<const N: usize, X, FN>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SteepestDescent` is never used
[INFO] [stdout]    --> src/slope_descent.rs:164:11
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub trait SteepestDescent<const N: usize, X> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_order` is never used
[INFO] [stdout]    --> src/slope_descent.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 | fn first_order<FN, X>(f: &FN, x: X, h: X) -> X
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `partial` is never used
[INFO] [stdout]    --> src/slope_descent.rs:239:4
[INFO] [stdout]     |
[INFO] [stdout] 239 | fn partial<const N: usize, FN, X>(f: &FN, x: &[X; N], i: usize, h: X) -> X
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gradient` is never used
[INFO] [stdout]    --> src/slope_descent.rs:253:4
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn gradient<const N: usize, FN, X>(f: &FN, x: &[X; N], h: X) -> [X; N]
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `newton` is never used
[INFO] [stdout]    --> src/slope_descent.rs:266:4
[INFO] [stdout]     |
[INFO] [stdout] 266 | fn newton<const N: usize, X>(points: &[(X, X); N]) -> [X; N]
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_newton` is never used
[INFO] [stdout]    --> src/slope_descent.rs:283:4
[INFO] [stdout]     |
[INFO] [stdout] 283 | fn rec_newton<const N: usize, X>(points: &[(X, X); N], coefs: &mut Vec<X>)
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate` is never used
[INFO] [stdout]    --> src/slope_descent.rs:305:4
[INFO] [stdout]     |
[INFO] [stdout] 305 | fn evaluate<const N: usize, X>(x: X, coefs: &Vec<X>, points: &[(X, X); N]) -> X
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day25` is never constructed
[INFO] [stdout]   --> src/day25.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Day25;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Component` is never constructed
[INFO] [stdout]   --> src/day25.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Component {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_group` and `to_range` are never used
[INFO] [stdout]   --> src/day25.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Component {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 23 |     pub fn to_group(self) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub fn to_range(&self) -> Range<usize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_edge` is never used
[INFO] [stdout]   --> src/day25.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn add_edge<N: Eq + Hash + Clone>(map: &mut HashMap<N, Vec<N>>, a: N, b: N) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_edge` is never used
[INFO] [stdout]   --> src/day25.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn remove_edge<N: Eq + Hash + Clone + Debug>(map: &mut HashMap<N, Vec<N>>, a: &N, b: &N) -> (N, N) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_triple_edges` is never used
[INFO] [stdout]    --> src/day25.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn remove_triple_edges(map: &mut HashMap<String, Vec<String>>, start: &String, end: &String) -> Result<(), String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `all_expand` is never used
[INFO] [stdout]  --> src/graph.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn all_expand<N, FN, IN>(start: N, mut successors: FN) -> Vec<HashSet<N>>
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floyd_warshall` is never used
[INFO] [stdout]   --> src/graph.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn floyd_warshall<C>(adjacency_matrix: &[Vec<C>]) -> Vec<Vec<C>>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `unwrap_or_inf` is never used
[INFO] [stdout]   --> src/graph.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 50 |     impl<C: Ord + Add<Output = C>> Grid<C> {
[INFO] [stdout]    |     -------------------------------------- method in this implementation
[INFO] [stdout] 51 |         pub fn unwrap_or_inf(self, def: C) -> C {
[INFO] [stdout]    |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_adjacency_matrix` is never used
[INFO] [stdout]   --> src/graph.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn create_adjacency_matrix<N, C, FN, IN>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_adjacency_matrix` is never used
[INFO] [stdout]    --> src/graph.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn test_adjacency_matrix() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day1322` is never constructed
[INFO] [stdout]  --> src/day13_22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Day1322;
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PacketData` is never used
[INFO] [stdout]  --> src/day13_22.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum PacketData {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtracking` is never used
[INFO] [stdout]  --> src/backtracking/backtracking.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn backtracking<S, A, FN, IN, FS>(start: S, mut successors: FN, mut success: FS) -> Option<S>
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/backtracking/backtracking.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn step<S, A, FN, IN, FS>(mut state: S, successors: &mut FN, success: &mut FS) -> Result<S, S>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/grid.rs:55:17
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn iter(&self) -> GridIter<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let result = result.parse().unwrap();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:203:53
[INFO] [stdout]     |
[INFO] [stdout] 203 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 204 | |         Ok(match s {
[INFO] [stdout] 205 | |             "A" => WorkResult::Accepted(true),
[INFO] [stdout] 206 | |             "R" => WorkResult::Accepted(false),
[INFO] [stdout] 207 | |             x => WorkResult::Workflow(x.to_owned()),
[INFO] [stdout] 208 | |         })
[INFO] [stdout] 209 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 | /         Ok(match s {
[INFO] [stdout] 205 | |             "A" => WorkResult::Accepted(true),
[INFO] [stdout] 206 | |             "R" => WorkResult::Accepted(false),
[INFO] [stdout] 207 | |             x => WorkResult::Workflow(x.to_owned()),
[INFO] [stdout] 208 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<WorkResult, Infallible>
[INFO] [stdout]    --> src/day19.rs:236:27
[INFO] [stdout]     |
[INFO] [stdout] 236 |             let default = rules.pop().unwrap().parse().unwrap();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ranges.rs:162:17
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> RangeDIterator<N> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn iter(&self) -> RangeDIterator<'_, N> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2023` (bin "aoc2023") due to 4 previous errors; 294 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `a` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:71:15
[INFO] [stdout]    |
[INFO] [stdout] 71 |         const a: f64 = -2.5;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 71 -         const a: f64 = -2.5;
[INFO] [stdout] 71 +         const A: f64 = -2.5;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `b` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:72:15
[INFO] [stdout]    |
[INFO] [stdout] 72 |         const b: f64 = 3.0;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 72 -         const b: f64 = 3.0;
[INFO] [stdout] 72 +         const B: f64 = 3.0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `c` should have an upper case name
[INFO] [stdout]   --> src/slope_descent.rs:73:15
[INFO] [stdout]    |
[INFO] [stdout] 73 |         const c: f64 = 1.95;
[INFO] [stdout]    |               ^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case (notice the capitalization)
[INFO] [stdout]    |
[INFO] [stdout] 73 -         const c: f64 = 1.95;
[INFO] [stdout] 73 +         const C: f64 = 1.95;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `states_explored` should have an upper case name
[INFO] [stdout]   --> src/backtracking/sudoku.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 | static mut states_explored: i32 = 0;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 91 - static mut states_explored: i32 = 0;
[INFO] [stdout] 91 + static mut STATES_EXPLORED: i32 = 0;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2023` (bin "aoc2023" test) due to 4 previous errors; 293 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "453123c6b6ae02a3c8badbbcff8912a36b07e12880573c5205df353a6daf5c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453123c6b6ae02a3c8badbbcff8912a36b07e12880573c5205df353a6daf5c3d", kill_on_drop: false }`
[INFO] [stdout] 453123c6b6ae02a3c8badbbcff8912a36b07e12880573c5205df353a6daf5c3d
