[INFO] cloning repository https://github.com/samoylenkodmitry/AdventOfCode_2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samoylenkodmitry/AdventOfCode_2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamoylenkodmitry%2FAdventOfCode_2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamoylenkodmitry%2FAdventOfCode_2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aba94be5ee31330afdb327f8af68485b12bf4a72
[INFO] checking samoylenkodmitry/AdventOfCode_2023 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamoylenkodmitry%2FAdventOfCode_2023" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/samoylenkodmitry/AdventOfCode_2023
[INFO] finished tweaking git repo https://github.com/samoylenkodmitry/AdventOfCode_2023
[INFO] tweaked toml for git repo https://github.com/samoylenkodmitry/AdventOfCode_2023 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samoylenkodmitry/AdventOfCode_2023 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/samoylenkodmitry/AdventOfCode_2023 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43d1b95a4f090d9e06c232647b27881f638da79c6152047a9023a7d4db26c87d
[INFO] running `Command { std: "docker" "start" "-a" "43d1b95a4f090d9e06c232647b27881f638da79c6152047a9023a7d4db26c87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43d1b95a4f090d9e06c232647b27881f638da79c6152047a9023a7d4db26c87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d1b95a4f090d9e06c232647b27881f638da79c6152047a9023a7d4db26c87d", kill_on_drop: false }`
[INFO] [stdout] 43d1b95a4f090d9e06c232647b27881f638da79c6152047a9023a7d4db26c87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a706012cf248381c7844f58e560fc9038163523771d4344aca14c322bae3e9df
[INFO] running `Command { std: "docker" "start" "-a" "a706012cf248381c7844f58e560fc9038163523771d4344aca14c322bae3e9df", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling priority-queue v1.3.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking rust_template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day5.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[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/day6.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day7.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashSet`, and `VecDeque`
[INFO] [stdout]  --> src/day7.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/day7.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day7.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day10.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day11.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day12.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day12.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `HashSet`
[INFO] [stdout]  --> src/day13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day13.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `HashSet`
[INFO] [stdout]  --> src/day14.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day14.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day15.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day16.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day16.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day16.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day17.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day17.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day18.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day18.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashMap`
[INFO] [stdout]  --> src/day19.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day19.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day20.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day20.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day20.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day20.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day21.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashMap`
[INFO] [stdout]  --> src/day21.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i32`
[INFO] [stdout]  --> src/day21.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day21.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day21.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day22.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day22.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day22.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day22.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day22.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day22.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/day23.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day23.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day23.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day23.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day23.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day23.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day24.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `VecDeque`
[INFO] [stdout]  --> src/day24.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/day24.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day24.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day24.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day24.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day25.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day25.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day25.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day25.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day25.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day7.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day21.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day22.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day23.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day24.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day25.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day5.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[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/day6.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day7.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashSet`, and `VecDeque`
[INFO] [stdout]  --> src/day7.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/day7.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day7.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day7.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day7.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap` and `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day10.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day11.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day12.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day12.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `HashSet`
[INFO] [stdout]  --> src/day13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day13.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `HashSet`
[INFO] [stdout]  --> src/day14.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day14.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day15.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day16.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day16.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day16.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day17.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day17.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day18.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day18.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day18.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashMap`
[INFO] [stdout]  --> src/day19.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day19.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day20.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashSet`
[INFO] [stdout]  --> src/day20.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day20.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day20.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day21.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap` and `HashMap`
[INFO] [stdout]  --> src/day21.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `i32`
[INFO] [stdout]  --> src/day21.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day21.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day21.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day22.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day22.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day22.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day22.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day22.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day22.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `min`
[INFO] [stdout]  --> src/day23.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day23.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day23.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day23.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day23.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day23.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max` and `min`
[INFO] [stdout]  --> src/day24.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BinaryHeap`, `HashMap`, and `VecDeque`
[INFO] [stdout]  --> src/day24.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^  ^^^^^^^           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/day24.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day24.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day24.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day24.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day25.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `i32` and `mem`
[INFO] [stdout]  --> src/day25.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{i32, mem};
[INFO] [stdout]   |           ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linked_hash_map::LinkedHashMap`
[INFO] [stdout]  --> src/day25.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linked_hash_map::LinkedHashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `priority_queue::PriorityQueue`
[INFO] [stdout]  --> src/day25.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use priority_queue::PriorityQueue;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustc_hash::FxHashSet`
[INFO] [stdout]  --> src/day25.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rustc_hash::FxHashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day7.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day21.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day22.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day23.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day24.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `#![feature]` attribute can only be used at the crate root
[INFO] [stdout]  --> src/day25.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_next_chunk)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/day1.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         for (i, c) in line.chars().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_digit` is never read
[INFO] [stdout]    --> src/day1.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     last_digit = c.to_digit(10).unwrap() as i32;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_id`
[INFO] [stdout]    --> src/day2.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let game_id = game_id_str.parse::<u32>().unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let mut xis = x as i32;
[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/day3.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let mut yis = y as i32;
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   let mut adjacent_positions =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut numbers = gear_numbers
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gear_position`
[INFO] [stdout]    --> src/day3.rs:249:10
[INFO] [stdout]     |
[INFO] [stdout] 249 |     for (gear_position, numbers) in gear_numbers {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gear_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ax` is never read
[INFO] [stdout]    --> src/day3.rs:212:30
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let mut ax = x as i32;
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day5.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut seeds_str = line.split(": ").nth(1).unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]    --> src/day7.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let (hand, num) = &hands[idx];
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]    --> src/day7.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let rank = ranks[idx];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]    --> src/day7.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let (hand, num) = &hands[idx];
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]    --> src/day7.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let rank = ranks[idx];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day8.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day9.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day10.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day10.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn do_bfs(map: &mut Vec<Vec<char>>, mut s_pos: (i32, i32), visited: &mut HashSet<(i32, i32)>) -> i32 {
[INFO] [stdout]     |                                     ----^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day11.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day11.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day11.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day11.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut item = (0, *start_pos);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day12.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day12.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/day12.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |         for i in 0..5 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day13.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day13.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day14.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day14.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day14.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day14.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut h = grid.len() as i32;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day15.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day15.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day15.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut strs: Vec<String> = lines[0].split(",")
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day15.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut strs: Vec<String> = lines[0].split(",")
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/day15.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (ind, (label, num)) in box_.iter().enumerate() {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day16.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `directions`
[INFO] [stdout]    --> src/day16.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let directions = vec!['u', 'd', 'l', 'r'];
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_directions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day17.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day17.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]    --> src/day17.rs:101:57
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let ((x, y, direction, count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manhattan`
[INFO] [stdout]    --> src/day17.rs:101:67
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let ((x, y, direction, count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manhattan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day17.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]    --> src/day17.rs:201:73
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let ((x, y, direction, count, straight_count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manhattan`
[INFO] [stdout]    --> src/day17.rs:201:83
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let ((x, y, direction, count, straight_count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manhattan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day18.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day18.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut normalized_grid: HashMap<(i32, i32), (String, char)> = grid.iter()
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/day18.rs:172:22
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let (color, path_part) = normalized_grid.get(&(x, y)).unwrap();
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day18.rs:188:18
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn get_path_part(mut prev_dir: char, dir: char) -> char {
[INFO] [stdout]     |                  ----^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/day1.rs:157:14
[INFO] [stdout]     |
[INFO] [stdout] 157 |         for (i, c) in line.chars().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `last_digit` is never read
[INFO] [stdout]    --> src/day1.rs:161:21
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     last_digit = c.to_digit(10).unwrap() as i32;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day19.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day19.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_id`
[INFO] [stdout]    --> src/day2.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let game_id = game_id_str.parse::<u32>().unwrap();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day19.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut cleared = line.replace("}", "");
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day19.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |             let mut parts = cleared_2.split(",");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day20.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day20.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day20.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_signal` is never read
[INFO] [stdout]    --> src/day20.rs:150:34
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let mut out_signal = 0;
[INFO] [stdout]     |                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:183:21
[INFO] [stdout]     |
[INFO] [stdout] 183 |                 let mut xis = x as i32;
[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/day3.rs:184:21
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 let mut yis = y as i32;
[INFO] [stdout]     |                     ----^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:188:33
[INFO] [stdout]     |
[INFO] [stdout] 188 | ...                   let mut adjacent_positions =
[INFO] [stdout]     |                           ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day3.rs:237:25
[INFO] [stdout]     |
[INFO] [stdout] 237 |                     let mut numbers = gear_numbers
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gear_position`
[INFO] [stdout]    --> src/day3.rs:249:10
[INFO] [stdout]     |
[INFO] [stdout] 249 |     for (gear_position, numbers) in gear_numbers {
[INFO] [stdout]     |          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_gear_position`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ax` is never read
[INFO] [stdout]    --> src/day3.rs:212:30
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 let mut ax = x as i32;
[INFO] [stdout]     |                              ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_signal` is never read
[INFO] [stdout]    --> src/day20.rs:422:34
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let mut out_signal = 0;
[INFO] [stdout]     |                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day21.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day21.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day21.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day21.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut len = queue.len();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/day21.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for step in 0..=steps {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day22.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day22.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day5.rs:181:17
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let mut seeds_str = line.split(": ").nth(1).unwrap();
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day22.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut nums: Vec<u16> = s.split([',', '~']).map(|s| s.parse::<u16>().unwrap()).collect();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_to_tops`
[INFO] [stdout]   --> src/day22.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let (bricks, brick_to_bottoms, brick_to_tops) = analyze_bricks(lines);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_to_tops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_ind`
[INFO] [stdout]   --> src/day22.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 |     for (brick_ind, bricks_under_set) in &brick_to_bottoms {
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day7.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day7.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day24.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day24.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day24.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]    --> src/day7.rs:114:14
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let (hand, num) = &hands[idx];
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]    --> src/day7.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |         let rank = ranks[idx];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day24.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut points: Vec<Point> = lines.iter()
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]    --> src/day24.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (intersected, point) = points[i].are_intersected_inside_xy_box(
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hand`
[INFO] [stdout]    --> src/day7.rs:197:14
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let (hand, num) = &hands[idx];
[INFO] [stdout]     |              ^^^^ help: if this is intentional, prefix it with an underscore: `_hand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rank`
[INFO] [stdout]    --> src/day7.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let rank = ranks[idx];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_rank`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day25.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day8.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day25.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut edges_list: Vec<(String, String)> = edges_set.into_iter().collect();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edges_list`
[INFO] [stdout]    --> src/day25.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut edges_list: Vec<(String, String)> = edges_set.into_iter().collect();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edges_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/day25.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut res = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/day25.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn part2(lines: Vec<String>) {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_template` (bin "rust_template") due to 1 previous error; 150 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day9.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day10.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day10.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day10.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn do_bfs(map: &mut Vec<Vec<char>>, mut s_pos: (i32, i32), visited: &mut HashSet<(i32, i32)>) -> i32 {
[INFO] [stdout]     |                                     ----^^^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day11.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day11.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day11.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day11.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let mut item = (0, *start_pos);
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day12.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day12.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/day12.rs:270:13
[INFO] [stdout]     |
[INFO] [stdout] 270 |         for i in 0..5 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day13.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day13.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day14.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day14.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day14.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day14.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let mut h = grid.len() as i32;
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day15.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day15.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day15.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let mut strs: Vec<String> = lines[0].split(",")
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day15.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     let mut strs: Vec<String> = lines[0].split(",")
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/day15.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 |         for (ind, (label, num)) in box_.iter().enumerate() {
[INFO] [stdout]     |                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day16.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `directions`
[INFO] [stdout]    --> src/day16.rs:171:9
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let directions = vec!['u', 'd', 'l', 'r'];
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_directions`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day17.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day17.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]    --> src/day17.rs:101:57
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let ((x, y, direction, count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manhattan`
[INFO] [stdout]    --> src/day17.rs:101:67
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let ((x, y, direction, count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manhattan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day17.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `priority`
[INFO] [stdout]    --> src/day17.rs:201:73
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let ((x, y, direction, count, straight_count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_priority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `manhattan`
[INFO] [stdout]    --> src/day17.rs:201:83
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let ((x, y, direction, count, straight_count, total_path_sum), (priority, manhattan)) = queue.pop().unwrap();
[INFO] [stdout]     |                                                                                   ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_manhattan`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day18.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day18.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut normalized_grid: HashMap<(i32, i32), (String, char)> = grid.iter()
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/day18.rs:172:22
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 let (color, path_part) = normalized_grid.get(&(x, y)).unwrap();
[INFO] [stdout]     |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day18.rs:188:18
[INFO] [stdout]     |
[INFO] [stdout] 188 | fn get_path_part(mut prev_dir: char, dir: char) -> char {
[INFO] [stdout]     |                  ----^^^^^^^^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day19.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day19.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day19.rs:183:17
[INFO] [stdout]     |
[INFO] [stdout] 183 |             let mut cleared = line.replace("}", "");
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day19.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |             let mut parts = cleared_2.split(",");
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day20.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day20.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day20.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_signal` is never read
[INFO] [stdout]    --> src/day20.rs:150:34
[INFO] [stdout]     |
[INFO] [stdout] 150 |             let mut out_signal = 0;
[INFO] [stdout]     |                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `out_signal` is never read
[INFO] [stdout]    --> src/day20.rs:422:34
[INFO] [stdout]     |
[INFO] [stdout] 422 |             let mut out_signal = 0;
[INFO] [stdout]     |                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day21.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day21.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day21.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut grid: Vec<Vec<char>> = lines.iter().map(|s| s.chars().collect()).collect();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day21.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let mut len = queue.len();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `step`
[INFO] [stdout]    --> src/day21.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     for step in 0..=steps {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_step`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day22.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day22.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day22.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let mut nums: Vec<u16> = s.split([',', '~']).map(|s| s.parse::<u16>().unwrap()).collect();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_to_tops`
[INFO] [stdout]   --> src/day22.rs:91:36
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let (bricks, brick_to_bottoms, brick_to_tops) = analyze_bricks(lines);
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_to_tops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `brick_ind`
[INFO] [stdout]   --> src/day22.rs:96:10
[INFO] [stdout]    |
[INFO] [stdout] 96 |     for (brick_ind, bricks_under_set) in &brick_to_bottoms {
[INFO] [stdout]    |          ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_brick_ind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day24.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day24.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let input: Vec<String> = input.lines().map(|s| s.to_string()).collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day24.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day24.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let mut points: Vec<Point> = lines.iter()
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]    --> src/day24.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |             let (intersected, point) = points[i].are_intersected_inside_xy_box(
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `example_lines`
[INFO] [stdout]   --> src/day25.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let example_lines: Vec<String> =
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_example_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day25.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut edges_list: Vec<(String, String)> = edges_set.into_iter().collect();
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `edges_list`
[INFO] [stdout]    --> src/day25.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut edges_list: Vec<(String, String)> = edges_set.into_iter().collect();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edges_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `res` is never read
[INFO] [stdout]    --> src/day25.rs:181:19
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let mut res = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lines`
[INFO] [stdout]    --> src/day25.rs:204:10
[INFO] [stdout]     |
[INFO] [stdout] 204 | fn part2(lines: Vec<String>) {
[INFO] [stdout]     |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_template` (bin "rust_template" test) due to 1 previous error; 150 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a706012cf248381c7844f58e560fc9038163523771d4344aca14c322bae3e9df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a706012cf248381c7844f58e560fc9038163523771d4344aca14c322bae3e9df", kill_on_drop: false }`
[INFO] [stdout] a706012cf248381c7844f58e560fc9038163523771d4344aca14c322bae3e9df
