[INFO] cloning repository https://github.com/Da-Real-Kryall/aoc2022
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Da-Real-Kryall/aoc2022" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa-Real-Kryall%2Faoc2022", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa-Real-Kryall%2Faoc2022'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 224e7f9ae7e68607cc152d0c745d2c91f729f3b4
[INFO] linting Da-Real-Kryall/aoc2022 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDa-Real-Kryall%2Faoc2022" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Da-Real-Kryall/aoc2022
[INFO] finished tweaking git repo https://github.com/Da-Real-Kryall/aoc2022
[INFO] tweaked toml for git repo https://github.com/Da-Real-Kryall/aoc2022 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Da-Real-Kryall/aoc2022 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Da-Real-Kryall/aoc2022 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8bc79490e7d7566c0278791a1495dcfa5c9c3f1af651f0340faaf606d62a23d
[INFO] running `Command { std: "docker" "start" "-a" "c8bc79490e7d7566c0278791a1495dcfa5c9c3f1af651f0340faaf606d62a23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8bc79490e7d7566c0278791a1495dcfa5c9c3f1af651f0340faaf606d62a23d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bc79490e7d7566c0278791a1495dcfa5c9c3f1af651f0340faaf606d62a23d", kill_on_drop: false }`
[INFO] [stdout] c8bc79490e7d7566c0278791a1495dcfa5c9c3f1af651f0340faaf606d62a23d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1beffb0cdf7a0461c0d59565878fd76fee4438bb9c1d7605d3e54ae7f3456f25
[INFO] running `Command { std: "docker" "start" "-a" "1beffb0cdf7a0461c0d59565878fd76fee4438bb9c1d7605d3e54ae7f3456f25", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aoc2022 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solutions/day12.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[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: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day12.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day12.txt");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day12.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day12.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day12.txt");
[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/solutions/day13.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day13.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day13.txt");
[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/solutions/day13.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day13.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day13.txt");
[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/solutions/day14.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day14.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day14.txt");
[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/solutions/day14.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day14.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day14.txt");
[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/solutions/day15.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day15.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day15.txt");
[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/solutions/day15.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day15.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day15.txt");
[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/solutions/day16.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day16.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day16.txt");
[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/solutions/day16.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day16.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day16.txt");
[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/solutions/day17.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day17.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day17.txt");
[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/solutions/day17.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day17.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day17.txt");
[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/solutions/day18.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day18.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day18.txt");
[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/solutions/day18.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day18.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day18.txt");
[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/solutions/day19.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day19.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day19.txt");
[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/solutions/day19.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day19.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day19.txt");
[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/solutions/day20.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day20.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day20.txt");
[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/solutions/day20.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day20.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day20.txt");
[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/solutions/day21.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day21.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day21.txt");
[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/solutions/day21.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day21.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day21.txt");
[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/solutions/day22.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day22.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day22.txt");
[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/solutions/day22.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day22.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day22.txt");
[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/solutions/day23.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day23.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day23.txt");
[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/solutions/day23.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day23.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day23.txt");
[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/solutions/day24.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day24.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day24.txt");
[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/solutions/day24.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day24.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day24.txt");
[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/solutions/day25.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day25.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day25.txt");
[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/solutions/day25.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day25.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day25.txt");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/solutions/day02.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let opponent: char = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 'Z' => 3 + 0, //scissors
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 'X' => 1 + 0,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'Y' => 2 + 0,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/solutions/day02.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let opponent = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 'X' => 0 + 3, //lose
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 'X' => 0 + 1,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 'X' => 0 + 2,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/solutions/day03.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |             if found_char == false {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^ help: try: `!found_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/solutions/day03.rs:73:46
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         if char == letter && found_char == false {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `!found_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/solutions/day04.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |           if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 57 | |             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 57 -             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 56 +         if !(range_a.0 > range_b.1 || range_a.0 < range_b.0 && range_a.1 < range_b.0)
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 57 -             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 56 +         if (range_a.1 >= range_b.0 || range_a.0 >= range_b.0) && range_a.0 <= range_b.1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/solutions/day05.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout] 16 +     fn move_box(args: Vec<&str>, boxes: &mut [Vec<char>]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/solutions/day05.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             boxes[dest].push(box_char.clone());
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `box_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/solutions/day05.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if line == "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/solutions/day05.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout] 63 +     fn move_box(args: Vec<&str>, boxes: &mut [Vec<char>]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/solutions/day05.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |             picked_up_boxes.push(box_char.clone());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `box_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/solutions/day05.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |         if line == "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day06.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return "not found :(".to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return "not found :(".to_string();
[INFO] [stdout] 25 +     "not found :(".to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]  --> src/solutions/day06.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for (index, letter) in input.chars().into_iter().enumerate().skip(3) {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input.chars()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day06.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     return "not found :(".to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 50 -     return "not found :(".to_string();
[INFO] [stdout] 50 +     "not found :(".to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> src/solutions/day06.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for (index, letter) in input.chars().into_iter().enumerate().skip(3) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input.chars()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/solutions/day07.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |               "$" => match tokens.next().unwrap() {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 20 | |                 "cd" => {
[INFO] [stdout] 21 | |                     let token = tokens.next().unwrap();
[INFO] [stdout] 22 | |                     if token == ".." {
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                 _ => {}
[INFO] [stdout] 30 | |             },
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 19 ~             "$" => if tokens.next().unwrap() == "cd" {
[INFO] [stdout] 20 +                 let token = tokens.next().unwrap();
[INFO] [stdout] 21 +                 if token == ".." {
[INFO] [stdout] 22 +                     current_directory = cd_back(&current_directory);
[INFO] [stdout] 23 +                 } else {
[INFO] [stdout] 24 +                     current_directory += "/";
[INFO] [stdout] 25 +                     current_directory += token;
[INFO] [stdout] 26 +                 }
[INFO] [stdout] 27 ~             },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/solutions/day07.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |               "$" => match tokens.next().unwrap() {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 74 | |                 "cd" => {
[INFO] [stdout] 75 | |                     let token = tokens.next().unwrap();
[INFO] [stdout] 76 | |                     if token == ".." {
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 _ => {}
[INFO] [stdout] 84 | |             },
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~             "$" => if tokens.next().unwrap() == "cd" {
[INFO] [stdout] 74 +                 let token = tokens.next().unwrap();
[INFO] [stdout] 75 +                 if token == ".." {
[INFO] [stdout] 76 +                     current_directory = cd_back(&current_directory);
[INFO] [stdout] 77 +                 } else {
[INFO] [stdout] 78 +                     current_directory += "/";
[INFO] [stdout] 79 +                     current_directory += token;
[INFO] [stdout] 80 +                 }
[INFO] [stdout] 81 ~             },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]    --> src/solutions/day07.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |         used_space += file.1.clone() as i128;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: try removing the `clone` call: `file.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is used to index `tree_map`
[INFO] [stdout]   --> src/solutions/day08.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for y in 0..SIZE {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 28 -     for y in 0..SIZE {
[INFO] [stdout] 28 +     for (y, <item>) in tree_map.iter_mut().enumerate().take(SIZE) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `x` is used to index `tree_map`
[INFO] [stdout]   --> src/solutions/day08.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for x in 0..SIZE {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 29 -         for x in 0..SIZE {
[INFO] [stdout] 29 +         for (x, <item>) in tree_map.iter_mut().enumerate().take(SIZE) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/solutions/day08.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solutions/day12.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[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: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day12.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day12.txt");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day12.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day12.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day12.txt");
[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/solutions/day13.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day13.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day13.txt");
[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/solutions/day13.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day13.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day13.txt");
[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/solutions/day14.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day14.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day14.txt");
[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/solutions/day14.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day14.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day14.txt");
[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/solutions/day15.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day15.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day15.txt");
[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/solutions/day15.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day15.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day15.txt");
[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/solutions/day16.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day16.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day16.txt");
[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/solutions/day16.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day16.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day16.txt");
[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/solutions/day17.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day17.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day17.txt");
[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/solutions/day17.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day17.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day17.txt");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return false;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return false;
[INFO] [stdout] 17 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     return signal_strength_sum.to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 41 -     return signal_strength_sum.to_string();
[INFO] [stdout] 41 +     signal_strength_sum.to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/solutions/day10.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | /                 if advance_clock_1(&x, &mut cycle_num, &mut signal_strength_sum, 1) {
[INFO] [stdout] 29 | |                     return signal_strength_sum.to_string();
[INFO] [stdout] 30 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 27 ~             "noop"
[INFO] [stdout] 28 ~                 if advance_clock_1(&x, &mut cycle_num, &mut signal_strength_sum, 1) => {
[INFO] [stdout] 29 |                     return signal_strength_sum.to_string();
[INFO] [stdout] 30 ~                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     return screen;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     return screen;
[INFO] [stdout] 77 +     screen
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/solutions/day18.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day18.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day18.txt");
[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/solutions/day18.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day18.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day18.txt");
[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/solutions/day19.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day19.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day19.txt");
[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/solutions/day19.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day19.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day19.txt");
[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/solutions/day20.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day20.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day20.txt");
[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/solutions/day20.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day20.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day20.txt");
[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/solutions/day21.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day21.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day21.txt");
[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/solutions/day21.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]  --> src/solutions/day11.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut monkeys: Vec<(Vec<usize>, Vec<String>, usize, usize, usize, usize)> = vec![];
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]   = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day21.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day21.txt");
[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/solutions/day22.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day22.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day22.txt");
[INFO] [stdout]   |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, &str>`
[INFO] [stdout]  --> src/solutions/day11.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut lines = string.split("\n").into_iter().skip(1);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.split("\n")`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day22.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day22.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day22.txt");
[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/solutions/day23.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day23.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day23.txt");
[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/solutions/day23.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day23.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day23.txt");
[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/solutions/day24.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day24.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day24.txt");
[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/solutions/day24.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day24.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day24.txt");
[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/solutions/day25.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut current_total = 0;
[INFO] [stdout]   |         ----^^^^^^^^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/solutions/day25.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let input = include_str!("../inputs/day25.txt");
[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/solutions/day25.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut current_total = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/solutions/day11.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let recipient;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `recipient` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 54 ~                 
[INFO] [stdout] 55 ~                 let recipient = if end % monkeys[index].2 == 0 {
[INFO] [stdout] 56 ~                     monkeys[index].3
[INFO] [stdout] 57 |                 } else {
[INFO] [stdout] 58 ~                     monkeys[index].4
[INFO] [stdout] 59 ~                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/solutions/day25.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let input = include_str!("../inputs/day25.txt");
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/solutions/day11.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut monkeys: Vec<(Vec<usize>, Vec<String>, usize, usize, usize, usize)> = vec![];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, &str>`
[INFO] [stdout]   --> src/solutions/day11.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut lines = string.split("\n").into_iter().skip(1);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.split("\n")`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/solutions/day11.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let recipient;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `recipient` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 133 ~                 
[INFO] [stdout] 134 ~                 let recipient = if end % monkeys[index].2 == 0 {
[INFO] [stdout] 135 ~                     monkeys[index].3
[INFO] [stdout] 136 |                 } else {
[INFO] [stdout] 137 ~                     monkeys[index].4
[INFO] [stdout] 138 ~                 };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/solutions/day02.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let opponent: char = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout]    = note: `#[warn(clippy::iter_nth_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |                 'Z' => 3 + 0, //scissors
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout]    = note: `#[warn(clippy::identity_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 'X' => 1 + 0,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 'Y' => 2 + 0,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `.nth(0)` on a `std::iter::Iterator`, when `.next()` is equivalent
[INFO] [stdout]   --> src/solutions/day02.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let opponent = line.chars().nth(0).unwrap();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^ help: try calling `.next()` instead of `.nth(0)`: `line.chars().next()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#iter_nth_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:56:24
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 'X' => 0 + 3, //lose
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `3`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |                 'X' => 0 + 1,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this operation has no effect
[INFO] [stdout]   --> src/solutions/day02.rs:70:24
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 'X' => 0 + 2,
[INFO] [stdout]    |                        ^^^^^ help: consider reducing it to: `2`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/solutions/day03.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |             if found_char == false {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^ help: try: `!found_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]    = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]   --> src/solutions/day03.rs:73:46
[INFO] [stdout]    |
[INFO] [stdout] 73 |                         if char == letter && found_char == false {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^ help: try: `!found_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/solutions/day04.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |           if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 57 | |             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 57 -             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 56 +         if !(range_a.0 > range_b.1 || range_a.0 < range_b.0 && range_a.1 < range_b.0)
[INFO] [stdout]    |
[INFO] [stdout] 56 -         if (range_a.0 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 57 -             || (range_a.1 >= range_b.0 && range_a.0 <= range_b.1)
[INFO] [stdout] 56 +         if (range_a.1 >= range_b.0 || range_a.0 >= range_b.0) && range_a.0 <= range_b.1
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/solutions/day05.rs:16:41
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]    = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 16 -     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout] 16 +     fn move_box(args: Vec<&str>, boxes: &mut [Vec<char>]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/solutions/day05.rs:24:30
[INFO] [stdout]    |
[INFO] [stdout] 24 |             boxes[dest].push(box_char.clone());
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `box_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/solutions/day05.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |         if line == "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout]    = note: `#[warn(clippy::comparison_to_empty)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do
[INFO] [stdout]   --> src/solutions/day05.rs:63:41
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout] help: change this to
[INFO] [stdout]    |
[INFO] [stdout] 63 -     fn move_box(args: Vec<&str>, boxes: &mut Vec<Vec<char>>) {
[INFO] [stdout] 63 +     fn move_box(args: Vec<&str>, boxes: &mut [Vec<char>]) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `char` which implements the `Copy` trait
[INFO] [stdout]   --> src/solutions/day05.rs:71:34
[INFO] [stdout]    |
[INFO] [stdout] 71 |             picked_up_boxes.push(box_char.clone());
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `box_char`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison to empty slice
[INFO] [stdout]   --> src/solutions/day05.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |         if line == "" {
[INFO] [stdout]    |            ^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `line.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#comparison_to_empty
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day06.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     return "not found :(".to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     return "not found :(".to_string();
[INFO] [stdout] 25 +     "not found :(".to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]  --> src/solutions/day06.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for (index, letter) in input.chars().into_iter().enumerate().skip(3) {
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input.chars()`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]   = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day06.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     return "not found :(".to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 50 -     return "not found :(".to_string();
[INFO] [stdout] 50 +     "not found :(".to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Chars<'_>`
[INFO] [stdout]   --> src/solutions/day06.rs:34:28
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for (index, letter) in input.chars().into_iter().enumerate().skip(3) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `input.chars()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/solutions/day07.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |               "$" => match tokens.next().unwrap() {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 20 | |                 "cd" => {
[INFO] [stdout] 21 | |                     let token = tokens.next().unwrap();
[INFO] [stdout] 22 | |                     if token == ".." {
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                 _ => {}
[INFO] [stdout] 30 | |             },
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]    = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 19 ~             "$" => if tokens.next().unwrap() == "cd" {
[INFO] [stdout] 20 +                 let token = tokens.next().unwrap();
[INFO] [stdout] 21 +                 if token == ".." {
[INFO] [stdout] 22 +                     current_directory = cd_back(&current_directory);
[INFO] [stdout] 23 +                 } else {
[INFO] [stdout] 24 +                     current_directory += "/";
[INFO] [stdout] 25 +                     current_directory += token;
[INFO] [stdout] 26 +                 }
[INFO] [stdout] 27 ~             },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]   --> src/solutions/day07.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |               "$" => match tokens.next().unwrap() {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 74 | |                 "cd" => {
[INFO] [stdout] 75 | |                     let token = tokens.next().unwrap();
[INFO] [stdout] 76 | |                     if token == ".." {
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 _ => {}
[INFO] [stdout] 84 | |             },
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 73 ~             "$" => if tokens.next().unwrap() == "cd" {
[INFO] [stdout] 74 +                 let token = tokens.next().unwrap();
[INFO] [stdout] 75 +                 if token == ".." {
[INFO] [stdout] 76 +                     current_directory = cd_back(&current_directory);
[INFO] [stdout] 77 +                 } else {
[INFO] [stdout] 78 +                     current_directory += "/";
[INFO] [stdout] 79 +                     current_directory += token;
[INFO] [stdout] 80 +                 }
[INFO] [stdout] 81 ~             },
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `usize` which implements the `Copy` trait
[INFO] [stdout]    --> src/solutions/day07.rs:113:23
[INFO] [stdout]     |
[INFO] [stdout] 113 |         used_space += file.1.clone() as i128;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: try removing the `clone` call: `file.1`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `y` is used to index `tree_map`
[INFO] [stdout]   --> src/solutions/day08.rs:28:14
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for y in 0..SIZE {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 28 -     for y in 0..SIZE {
[INFO] [stdout] 28 +     for (y, <item>) in tree_map.iter_mut().enumerate().take(SIZE) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `x` is used to index `tree_map`
[INFO] [stdout]   --> src/solutions/day08.rs:29:18
[INFO] [stdout]    |
[INFO] [stdout] 29 |         for x in 0..SIZE {
[INFO] [stdout]    |                  ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 29 -         for x in 0..SIZE {
[INFO] [stdout] 29 +         for (x, <item>) in tree_map.iter_mut().enumerate().take(SIZE) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/solutions/day08.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     return false;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 17 -     return false;
[INFO] [stdout] 17 +     false
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     return signal_strength_sum.to_string();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 41 -     return signal_strength_sum.to_string();
[INFO] [stdout] 41 +     signal_strength_sum.to_string()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]   --> src/solutions/day10.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 | /                 if advance_clock_1(&x, &mut cycle_num, &mut signal_strength_sum, 1) {
[INFO] [stdout] 29 | |                     return signal_strength_sum.to_string();
[INFO] [stdout] 30 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]    = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]    |
[INFO] [stdout] 27 ~             "noop"
[INFO] [stdout] 28 ~                 if advance_clock_1(&x, &mut cycle_num, &mut signal_strength_sum, 1) => {
[INFO] [stdout] 29 |                     return signal_strength_sum.to_string();
[INFO] [stdout] 30 ~                 }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> src/solutions/day10.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     return screen;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 77 -     return screen;
[INFO] [stdout] 77 +     screen
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]  --> src/solutions/day11.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut monkeys: Vec<(Vec<usize>, Vec<String>, usize, usize, usize, usize)> = vec![];
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout]   = note: `#[warn(clippy::type_complexity)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, &str>`
[INFO] [stdout]  --> src/solutions/day11.rs:8:25
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut lines = string.split("\n").into_iter().skip(1);
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.split("\n")`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]   --> src/solutions/day11.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let recipient;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout]    = note: `#[warn(clippy::needless_late_init)]` on by default
[INFO] [stdout] help: move the declaration `recipient` here and remove the assignments from the branches
[INFO] [stdout]    |
[INFO] [stdout] 54 ~                 
[INFO] [stdout] 55 ~                 let recipient = if end % monkeys[index].2 == 0 {
[INFO] [stdout] 56 ~                     monkeys[index].3
[INFO] [stdout] 57 |                 } else {
[INFO] [stdout] 58 ~                     monkeys[index].4
[INFO] [stdout] 59 ~                 };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stdout]   --> src/solutions/day11.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut monkeys: Vec<(Vec<usize>, Vec<String>, usize, usize, usize, usize)> = vec![];
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::str::Split<'_, &str>`
[INFO] [stdout]   --> src/solutions/day11.rs:79:25
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut lines = string.split("\n").into_iter().skip(1);
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into_iter()`: `string.split("\n")`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded late initialization
[INFO] [stdout]    --> src/solutions/day11.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 let recipient;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init
[INFO] [stdout] help: move the declaration `recipient` here and remove the assignments from the branches
[INFO] [stdout]     |
[INFO] [stdout] 133 ~                 
[INFO] [stdout] 134 ~                 let recipient = if end % monkeys[index].2 == 0 {
[INFO] [stdout] 135 ~                     monkeys[index].3
[INFO] [stdout] 136 |                 } else {
[INFO] [stdout] 137 ~                     monkeys[index].4
[INFO] [stdout] 138 ~                 };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "1beffb0cdf7a0461c0d59565878fd76fee4438bb9c1d7605d3e54ae7f3456f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beffb0cdf7a0461c0d59565878fd76fee4438bb9c1d7605d3e54ae7f3456f25", kill_on_drop: false }`
[INFO] [stdout] 1beffb0cdf7a0461c0d59565878fd76fee4438bb9c1d7605d3e54ae7f3456f25