[INFO] cloning repository https://github.com/sukolenvo/aoc-2024-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sukolenvo/aoc-2024-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukolenvo%2Faoc-2024-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukolenvo%2Faoc-2024-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 086ef0b546e68747bd4992807fa017c76ebc38d2
[INFO] testing sukolenvo/aoc-2024-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsukolenvo%2Faoc-2024-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sukolenvo/aoc-2024-rust
[INFO] finished tweaking git repo https://github.com/sukolenvo/aoc-2024-rust
[INFO] tweaked toml for git repo https://github.com/sukolenvo/aoc-2024-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sukolenvo/aoc-2024-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sukolenvo/aoc-2024-rust 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8161fdb7378b107b18181b1d1fdea50e200185e609d75c5841f410a519027c2c
[INFO] running `Command { std: "docker" "start" "-a" "8161fdb7378b107b18181b1d1fdea50e200185e609d75c5841f410a519027c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8161fdb7378b107b18181b1d1fdea50e200185e609d75c5841f410a519027c2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8161fdb7378b107b18181b1d1fdea50e200185e609d75c5841f410a519027c2c", kill_on_drop: false }`
[INFO] [stdout] 8161fdb7378b107b18181b1d1fdea50e200185e609d75c5841f410a519027c2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeb5d99c8bc0e3e0cb22652cd8e359a965f39a34f924825a8626c7abd8377780
[INFO] running `Command { std: "docker" "start" "-a" "eeb5d99c8bc0e3e0cb22652cd8e359a965f39a34f924825a8626c7abd8377780", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling syn v2.0.93
[INFO] [stderr]    Compiling getrandom v0.3.0-rc.0
[INFO] [stderr]    Compiling rand_core v0.9.0-beta.1
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.9.0-beta.1
[INFO] [stderr]    Compiling rand v0.9.0-beta.1
[INFO] [stderr]    Compiling aoc-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (guard.y == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (guard.y == 0) {
[INFO] [stdout] 40 +             if guard.y == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 43 +             if map.data[guard.y - 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             if (guard.y == map.data.len() - 1) {
[INFO] [stdout]    |                ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             if (guard.y == map.data.len() - 1) {
[INFO] [stdout] 53 +             if guard.y == map.data.len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 56 +             if map.data[guard.y + 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |             if (guard.x == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -             if (guard.x == 0) {
[INFO] [stdout] 66 +             if guard.x == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout] 69 +             if map.data[guard.y][guard.x - 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout]    |                ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout] 79 +             if guard.x == map.data[0].len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout] 82 +             if map.data[guard.y][guard.x + 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl06.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 if (res == "Loop detected") {
[INFO] [stdout]     |                    ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                 if (res == "Loop detected") {
[INFO] [stdout] 168 +                 if res == "Loop detected"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl09.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout]    |                       ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout] 35 +             } else if back_file_idx > file_idx + 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (process == positions.len()) {
[INFO] [stdout] 40 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             if (process == positions.len()) {
[INFO] [stdout] 70 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lvl14.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl16.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]    |                        ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 55 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl16.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]     |                        ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 150 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl17.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout]     |                ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout] 210 +             if val as i32 != instructions[output_idx]  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:89:60
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout] 89 +                                 && !positions.contains_key(&(r - 1, c) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:98:60
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                                 && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout] 98 +                                 && !positions.contains_key(&(r, c - 1) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:107:60
[INFO] [stdout]     |
[INFO] [stdout] 107 | ...                   && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -                                 && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout] 107 +                                 && !positions.contains_key(&(r + 1, c) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:116:60
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                                 && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout] 116 +                                 && !positions.contains_key(&(r, c + 1) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Component::ParentDir`
[INFO] [stdout]  --> src/lvl23.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Component::ParentDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/lvl24.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/lvl24.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lvl14.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout]  71 | /     loop {
[INFO] [stdout]  72 | |         for r in 0..height {
[INFO] [stdout]  73 | |             for c in 0..width {
[INFO] [stdout]  74 | |                 area[r][c] = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 113 |       println!("Result: {}", result);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:208:42
[INFO] [stdout]     |
[INFO] [stdout] 208 |             let random_number: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:209:43
[INFO] [stdout]     |
[INFO] [stdout] 209 |             let random_number2: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/lvl05.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   i = j;
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |         edges.retain(|&(left, right)| left != vertex);
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:114:30
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter(|&(left, right)| *left == vertex)
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/lvl05.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |         .filter(|&&vertex| edges.iter().all(|&(left, right)| right != vertex))
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl09.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut files = input
[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: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl09.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl13.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for mut arcade in arcades.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl14.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for mut robot in robots.iter_mut() {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `diff` is assigned to, but never used
[INFO] [stdout]   --> src/lvl14.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut diff = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_diff` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `diff` is never read
[INFO] [stdout]   --> src/lvl14.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     diff += 1;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl15.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_rows`
[INFO] [stdout]    --> src/lvl15.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let map_rows = map_instructions[0].lines().count();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_cols`
[INFO] [stdout]    --> src/lvl15.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let map_cols = map_instructions[0].lines().next().unwrap().chars().count() * 2;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl15.rs:133:22
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl16.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl16.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl17.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvl17.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let a = lines[0]
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl18.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl18.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl19.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl19.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl21.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:105:23
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |             for i in 0..25 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl21.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut result = 0usize;
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |         .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl22.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl22.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lvl23.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .filter(|(key, val)| {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl23.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl24.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl24.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_task` is never used
[INFO] [stdout]  --> src/common.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read_task(lvl: i32) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl01` is never used
[INFO] [stdout]  --> src/lvl01.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lvl01() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl01_second` is never used
[INFO] [stdout]   --> src/lvl01.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn lvl01_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl02` is never used
[INFO] [stdout]  --> src/lvl02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lvl02() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_levels_safe` is never used
[INFO] [stdout]   --> src/lvl02.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn check_levels_safe(line: String, predicate: fn(i32, i32) -> bool) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl02_second` is never used
[INFO] [stdout]   --> src/lvl02.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn lvl02_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl03` is never used
[INFO] [stdout]  --> src/lvl03.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lvl03() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl04` is never used
[INFO] [stdout]  --> src/lvl04.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lvl04() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_xmas` is never used
[INFO] [stdout]   --> src/lvl04.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn count_xmas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl04_second` is never used
[INFO] [stdout]   --> src/lvl04.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lvl04_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_x_mas` is never used
[INFO] [stdout]    --> src/lvl04.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn count_x_mas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl05` is never used
[INFO] [stdout]  --> src/lvl05.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lvl05() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dependencies` is never used
[INFO] [stdout]   --> src/lvl05.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_dependencies(input: &String) -> HashMap<&str, Vec<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl05_second` is never used
[INFO] [stdout]   --> src/lvl05.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn lvl05_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_topological_order` is never used
[INFO] [stdout]   --> src/lvl05.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn parse_topological_order(input: &String) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_updates` is never used
[INFO] [stdout]    --> src/lvl05.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn parse_updates(input: &String) -> Vec<Vec<&str>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl06.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `walk` is never used
[INFO] [stdout]   --> src/lvl06.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn walk(map: &mut Map, guard: &mut Guard) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/lvl06.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn step(map: &mut Map, guard: &mut Guard) -> Result<String, String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MapState` is never used
[INFO] [stdout]   --> src/lvl06.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum MapState {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]    --> src/lvl06.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Map {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/lvl06.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]    --> src/lvl06.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Guard {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_map` is never used
[INFO] [stdout]    --> src/lvl06.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn parse_map() -> (Map, Guard) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl06.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl07.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> src/lvl07.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `part1` and `part2` are never used
[INFO] [stdout]   --> src/lvl07.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Task {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 34 |     fn part1(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn part2(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate` is never used
[INFO] [stdout]   --> src/lvl07.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn concatenate(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl07.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl08.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl08.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl08.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Map {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 38 |     fn new(input: &String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl08.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl09.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/lvl09.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct File {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gap` is never constructed
[INFO] [stdout]   --> src/lvl09.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Gap {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checksum` is never used
[INFO] [stdout]   --> src/lvl09.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl File {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 66 |     fn checksum(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl09.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl10.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl10.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `walk`, and `walk2` are never used
[INFO] [stdout]   --> src/lvl10.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Map {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 22 |     fn new(input: &String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn walk(&self, r: usize, c: usize) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn walk2(&self, r: usize, c: usize) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl10.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl11.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Evo` is never constructed
[INFO] [stdout]   --> src/lvl11.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Evo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `count_stones` is never used
[INFO] [stdout]   --> src/lvl11.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Evo {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     fn count_stones(&mut self, stone: &Stone, iterations: u32) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stone` is never constructed
[INFO] [stdout]   --> src/lvl11.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Stone {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mutate` is never used
[INFO] [stdout]   --> src/lvl11.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Stone {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 39 |     fn mutate(&self) -> Vec<Stone> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_digits` is never used
[INFO] [stdout]   --> src/lvl11.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn count_digits(num: u64) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl11.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl12.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_region` is never used
[INFO] [stdout]   --> src/lvl12.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn build_region(farm: &Farm, r: usize, c: usize) -> Region {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Farm` is never constructed
[INFO] [stdout]   --> src/lvl12.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Farm {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl12.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Farm {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 69 |     fn new(input: &String) -> Farm {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Region` is never constructed
[INFO] [stdout]   --> src/lvl12.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct Region {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `includes_plot`, `get_area`, `get_perimeter`, `get_perimeter_edges`, and `get_sides` are never used
[INFO] [stdout]    --> src/lvl12.rs:81:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Region {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  81 |     fn includes_plot(&self, plot: (usize, usize)) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn get_area(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn get_perimeter(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn get_perimeter_edges(&self, farm_width: usize, farm_height: usize) -> Vec<Fence> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn get_sides(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fence` is never constructed
[INFO] [stdout]    --> src/lvl12.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct Fence {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_horizontal` and `is_adjacent` are never used
[INFO] [stdout]    --> src/lvl12.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Fence {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 159 |     fn is_horizontal(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn is_adjacent(&self, other: &Fence) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl12.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl13.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arcade` is never constructed
[INFO] [stdout]   --> src/lvl13.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Arcade {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `find_ab` are never used
[INFO] [stdout]   --> src/lvl13.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Arcade {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn find_ab(&self) -> Result<(u64, u64), ()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl13.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl14.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Robot` is never constructed
[INFO] [stdout]   --> src/lvl14.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Robot {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl14.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Robot {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 43 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl14.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl15.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WideBox` is never constructed
[INFO] [stdout]    --> src/lvl15.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct WideBox {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_occupying` is never used
[INFO] [stdout]    --> src/lvl15.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl WideBox {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 127 |     fn is_occupying(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl15.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WALL` is never used
[INFO] [stdout]  --> src/lvl16.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static WALL: i32 = -1;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_EAST` is never used
[INFO] [stdout]  --> src/lvl16.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static DIRECTION_EAST: (i32, i32) = (0, 1);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_WEST` is never used
[INFO] [stdout]  --> src/lvl16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static DIRECTION_WEST: (i32, i32) = (0, -1);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_NORTH` is never used
[INFO] [stdout]  --> src/lvl16.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static DIRECTION_NORTH: (i32, i32) = (-1, 0);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_SOUTH` is never used
[INFO] [stdout]  --> src/lvl16.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static DIRECTION_SOUTH: (i32, i32) = (1, 0);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl16.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl16.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl16.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Map {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 84 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl16.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_tiles` is never used
[INFO] [stdout]    --> src/lvl16.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn find_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl17.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADV` is never used
[INFO] [stdout]   --> src/lvl17.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const ADV: i32 = 0;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BXL` is never used
[INFO] [stdout]   --> src/lvl17.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const BXL: i32 = 1;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BST` is never used
[INFO] [stdout]   --> src/lvl17.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const BST: i32 = 2;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JNZ` is never used
[INFO] [stdout]   --> src/lvl17.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const JNZ: i32 = 3;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BXC` is never used
[INFO] [stdout]   --> src/lvl17.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BXC: i32 = 4;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OUT` is never used
[INFO] [stdout]   --> src/lvl17.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const OUT: i32 = 5;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BDV` is never used
[INFO] [stdout]   --> src/lvl17.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const BDV: i32 = 6;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CDV` is never used
[INFO] [stdout]   --> src/lvl17.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | const CDV: i32 = 7;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_program` is never used
[INFO] [stdout]   --> src/lvl17.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn run_program(a: i64, b: i64, c: i64, ip: usize, instructions: &Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_combo_value` is never used
[INFO] [stdout]   --> src/lvl17.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn get_combo_value(a: i64, b: i64, c: i64, operand: i32) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2_naive` is never used
[INFO] [stdout]    --> src/lvl17.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn part2_naive() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_program_2` is never used
[INFO] [stdout]    --> src/lvl17.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn run_program_2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl17.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> src/lvl18.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SIZE: usize = 71;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl18.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl18.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl19.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]   --> src/lvl19.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Solver {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]   --> src/lvl19.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Solver {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 32 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl19.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver2` is never constructed
[INFO] [stdout]   --> src/lvl19.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Solver2 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]   --> src/lvl19.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Solver2 {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 82 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl20.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]   --> src/lvl20.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Solver {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `solve` and `solve_simple` are never used
[INFO] [stdout]    --> src/lvl20.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl Solver {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  66 |     fn solve(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn solve_simple(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl20.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_distances_map` is never used
[INFO] [stdout]    --> src/lvl20.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_distances_map(tiles: &Vec<Vec<bool>>, from: (usize, usize)) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver2` is never constructed
[INFO] [stdout]    --> src/lvl20.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | struct Solver2 {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl21.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumericKeypad` is never constructed
[INFO] [stdout]   --> src/lvl21.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct NumericKeypad {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enter_code` and `get_pos` are never used
[INFO] [stdout]   --> src/lvl21.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl NumericKeypad {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 38 |     fn enter_code(&self, code: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DirectionalKeypad` is never constructed
[INFO] [stdout]   --> src/lvl21.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct DirectionalKeypad {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `enter_code`, `enter_code_chunk`, and `get_pos` are never used
[INFO] [stdout]    --> src/lvl21.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl DirectionalKeypad {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout]  94 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn enter_code(&mut self, code: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn enter_code_chunk(&mut self, code: &str, strategy: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl21.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_code` is never used
[INFO] [stdout]    --> src/lvl21.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn split_code(str: &String) -> Vec<&str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl22.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_next` is never used
[INFO] [stdout]   --> src/lvl22.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_next(number: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl22.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl23.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl23.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl24.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_value` is never used
[INFO] [stdout]   --> src/lvl24.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_value<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl24.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_2` is never used
[INFO] [stdout]    --> src/lvl24.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn process_2(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_i` is never used
[INFO] [stdout]    --> src/lvl24.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn check_i(i: usize, gates: &HashMap<String, (&str, &str, fn(u16, u16) -> u16)>) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_2` is never used
[INFO] [stdout]    --> src/lvl24.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn solve_2(
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl25.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schematic` is never constructed
[INFO] [stdout]   --> src/lvl25.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Schematic {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_lock` and `get_height` are never used
[INFO] [stdout]   --> src/lvl25.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Schematic {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 56 |     fn is_lock(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn get_height(&self, i: usize) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.00s
[INFO] running `Command { std: "docker" "inspect" "eeb5d99c8bc0e3e0cb22652cd8e359a965f39a34f924825a8626c7abd8377780", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb5d99c8bc0e3e0cb22652cd8e359a965f39a34f924825a8626c7abd8377780", kill_on_drop: false }`
[INFO] [stdout] eeb5d99c8bc0e3e0cb22652cd8e359a965f39a34f924825a8626c7abd8377780
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e85383244f7b2b2f355c6d39a4cac48c61bff2a047d032ef3b0099e81c98b55
[INFO] running `Command { std: "docker" "start" "-a" "0e85383244f7b2b2f355c6d39a4cac48c61bff2a047d032ef3b0099e81c98b55", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (guard.y == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (guard.y == 0) {
[INFO] [stdout] 40 +             if guard.y == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 43 +             if map.data[guard.y - 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             if (guard.y == map.data.len() - 1) {
[INFO] [stdout]    |                ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             if (guard.y == map.data.len() - 1) {
[INFO] [stdout] 53 +             if guard.y == map.data.len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 56 +             if map.data[guard.y + 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |             if (guard.x == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -             if (guard.x == 0) {
[INFO] [stdout] 66 +             if guard.x == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout] 69 +             if map.data[guard.y][guard.x - 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout]    |                ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout] 79 +             if guard.x == map.data[0].len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout] 82 +             if map.data[guard.y][guard.x + 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl06.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 if (res == "Loop detected") {
[INFO] [stdout]     |                    ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                 if (res == "Loop detected") {
[INFO] [stdout] 168 +                 if res == "Loop detected"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl09.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout]    |                       ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout] 35 +             } else if back_file_idx > file_idx + 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (process == positions.len()) {
[INFO] [stdout] 40 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             if (process == positions.len()) {
[INFO] [stdout] 70 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lvl14.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl16.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]    |                        ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 55 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl16.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]     |                        ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 150 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl17.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout]     |                ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout] 210 +             if val as i32 != instructions[output_idx]  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:89:60
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout] 89 +                                 && !positions.contains_key(&(r - 1, c) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:98:60
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                                 && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout] 98 +                                 && !positions.contains_key(&(r, c - 1) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:107:60
[INFO] [stdout]     |
[INFO] [stdout] 107 | ...                   && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -                                 && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout] 107 +                                 && !positions.contains_key(&(r + 1, c) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:116:60
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                                 && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout] 116 +                                 && !positions.contains_key(&(r, c + 1) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Component::ParentDir`
[INFO] [stdout]  --> src/lvl23.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Component::ParentDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/lvl24.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/lvl24.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lvl14.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout]  71 | /     loop {
[INFO] [stdout]  72 | |         for r in 0..height {
[INFO] [stdout]  73 | |             for c in 0..width {
[INFO] [stdout]  74 | |                 area[r][c] = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 113 |       println!("Result: {}", result);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:208:42
[INFO] [stdout]     |
[INFO] [stdout] 208 |             let random_number: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:209:43
[INFO] [stdout]     |
[INFO] [stdout] 209 |             let random_number2: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/lvl05.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   i = j;
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |         edges.retain(|&(left, right)| left != vertex);
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:114:30
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter(|&(left, right)| *left == vertex)
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/lvl05.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |         .filter(|&&vertex| edges.iter().all(|&(left, right)| right != vertex))
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl09.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut files = input
[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: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl09.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl13.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for mut arcade in arcades.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl14.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for mut robot in robots.iter_mut() {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `diff` is assigned to, but never used
[INFO] [stdout]   --> src/lvl14.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut diff = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_diff` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `diff` is never read
[INFO] [stdout]   --> src/lvl14.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     diff += 1;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl15.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_rows`
[INFO] [stdout]    --> src/lvl15.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let map_rows = map_instructions[0].lines().count();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_cols`
[INFO] [stdout]    --> src/lvl15.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let map_cols = map_instructions[0].lines().next().unwrap().chars().count() * 2;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl15.rs:133:22
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl16.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl16.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl17.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvl17.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let a = lines[0]
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl18.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl18.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl19.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl19.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl21.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:105:23
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |             for i in 0..25 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl21.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut result = 0usize;
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |         .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl22.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl22.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lvl23.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .filter(|(key, val)| {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl23.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl24.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl24.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_task` is never used
[INFO] [stdout]  --> src/common.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn read_task(lvl: i32) -> String {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl01` is never used
[INFO] [stdout]  --> src/lvl01.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lvl01() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl01_second` is never used
[INFO] [stdout]   --> src/lvl01.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn lvl01_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl02` is never used
[INFO] [stdout]  --> src/lvl02.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lvl02() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_levels_safe` is never used
[INFO] [stdout]   --> src/lvl02.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn check_levels_safe(line: String, predicate: fn(i32, i32) -> bool) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl02_second` is never used
[INFO] [stdout]   --> src/lvl02.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn lvl02_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl03` is never used
[INFO] [stdout]  --> src/lvl03.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn lvl03() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl04` is never used
[INFO] [stdout]  --> src/lvl04.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn lvl04() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_xmas` is never used
[INFO] [stdout]   --> src/lvl04.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn count_xmas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl04_second` is never used
[INFO] [stdout]   --> src/lvl04.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub fn lvl04_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_x_mas` is never used
[INFO] [stdout]    --> src/lvl04.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn count_x_mas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl05` is never used
[INFO] [stdout]  --> src/lvl05.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lvl05() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_dependencies` is never used
[INFO] [stdout]   --> src/lvl05.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_dependencies(input: &String) -> HashMap<&str, Vec<&str>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lvl05_second` is never used
[INFO] [stdout]   --> src/lvl05.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn lvl05_second() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_topological_order` is never used
[INFO] [stdout]   --> src/lvl05.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn parse_topological_order(input: &String) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_updates` is never used
[INFO] [stdout]    --> src/lvl05.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn parse_updates(input: &String) -> Vec<Vec<&str>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl06.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `walk` is never used
[INFO] [stdout]   --> src/lvl06.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn walk(map: &mut Map, guard: &mut Guard) -> String {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `step` is never used
[INFO] [stdout]   --> src/lvl06.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn step(map: &mut Map, guard: &mut Guard) -> Result<String, String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MapState` is never used
[INFO] [stdout]   --> src/lvl06.rs:95:6
[INFO] [stdout]    |
[INFO] [stdout] 95 | enum MapState {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]    --> src/lvl06.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Map {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/lvl06.rs:107:6
[INFO] [stdout]     |
[INFO] [stdout] 107 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]    --> src/lvl06.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | struct Guard {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_map` is never used
[INFO] [stdout]    --> src/lvl06.rs:121:4
[INFO] [stdout]     |
[INFO] [stdout] 121 | fn parse_map() -> (Map, Guard) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl06.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl07.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Task` is never constructed
[INFO] [stdout]   --> src/lvl07.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `part1` and `part2` are never used
[INFO] [stdout]   --> src/lvl07.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Task {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 34 |     fn part1(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     fn part2(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate` is never used
[INFO] [stdout]   --> src/lvl07.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn concatenate(a: u64, b: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl07.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl08.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl08.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl08.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Map {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 38 |     fn new(input: &String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl08.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl09.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `File` is never constructed
[INFO] [stdout]   --> src/lvl09.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct File {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Gap` is never constructed
[INFO] [stdout]   --> src/lvl09.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Gap {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `checksum` is never used
[INFO] [stdout]   --> src/lvl09.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl File {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 66 |     fn checksum(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl09.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl10.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl10.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `walk`, and `walk2` are never used
[INFO] [stdout]   --> src/lvl10.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Map {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 22 |     fn new(input: &String) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn walk(&self, r: usize, c: usize) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     fn walk2(&self, r: usize, c: usize) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl10.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl11.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Evo` is never constructed
[INFO] [stdout]   --> src/lvl11.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Evo {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `count_stones` is never used
[INFO] [stdout]   --> src/lvl11.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Evo {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] 20 |
[INFO] [stdout] 21 |     fn count_stones(&mut self, stone: &Stone, iterations: u32) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stone` is never constructed
[INFO] [stdout]   --> src/lvl11.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Stone {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mutate` is never used
[INFO] [stdout]   --> src/lvl11.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl Stone {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 39 |     fn mutate(&self) -> Vec<Stone> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_digits` is never used
[INFO] [stdout]   --> src/lvl11.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn count_digits(num: u64) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl11.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl12.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_region` is never used
[INFO] [stdout]   --> src/lvl12.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn build_region(farm: &Farm, r: usize, c: usize) -> Region {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Farm` is never constructed
[INFO] [stdout]   --> src/lvl12.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Farm {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl12.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Farm {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 69 |     fn new(input: &String) -> Farm {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Region` is never constructed
[INFO] [stdout]   --> src/lvl12.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 | struct Region {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `includes_plot`, `get_area`, `get_perimeter`, `get_perimeter_edges`, and `get_sides` are never used
[INFO] [stdout]    --> src/lvl12.rs:81:8
[INFO] [stdout]     |
[INFO] [stdout]  80 | impl Region {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  81 |     fn includes_plot(&self, plot: (usize, usize)) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  85 |     fn get_area(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  89 |     fn get_perimeter(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  93 |     fn get_perimeter_edges(&self, farm_width: usize, farm_height: usize) -> Vec<Fence> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 132 |     fn get_sides(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fence` is never constructed
[INFO] [stdout]    --> src/lvl12.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct Fence {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_horizontal` and `is_adjacent` are never used
[INFO] [stdout]    --> src/lvl12.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Fence {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] 159 |     fn is_horizontal(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn is_adjacent(&self, other: &Fence) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl12.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl13.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Arcade` is never constructed
[INFO] [stdout]   --> src/lvl13.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Arcade {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `find_ab` are never used
[INFO] [stdout]   --> src/lvl13.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Arcade {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn find_ab(&self) -> Result<(u64, u64), ()> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl13.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl14.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Robot` is never constructed
[INFO] [stdout]   --> src/lvl14.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Robot {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl14.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Robot {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 43 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl14.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl15.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WideBox` is never constructed
[INFO] [stdout]    --> src/lvl15.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | struct WideBox {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_occupying` is never used
[INFO] [stdout]    --> src/lvl15.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | impl WideBox {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 127 |     fn is_occupying(&self, row: usize, col: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling aoc-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl15.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `WALL` is never used
[INFO] [stdout]  --> src/lvl16.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | static WALL: i32 = -1;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_EAST` is never used
[INFO] [stdout]  --> src/lvl16.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | static DIRECTION_EAST: (i32, i32) = (0, 1);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_WEST` is never used
[INFO] [stdout]  --> src/lvl16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | static DIRECTION_WEST: (i32, i32) = (0, -1);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_NORTH` is never used
[INFO] [stdout]  --> src/lvl16.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | static DIRECTION_NORTH: (i32, i32) = (-1, 0);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `DIRECTION_SOUTH` is never used
[INFO] [stdout]  --> src/lvl16.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static DIRECTION_SOUTH: (i32, i32) = (1, 0);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl16.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Map` is never constructed
[INFO] [stdout]   --> src/lvl16.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Map {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/lvl16.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | impl Map {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 84 |     fn new(input: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl16.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_tiles` is never used
[INFO] [stdout]    --> src/lvl16.rs:185:4
[INFO] [stdout]     |
[INFO] [stdout] 185 | fn find_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl17.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ADV` is never used
[INFO] [stdout]   --> src/lvl17.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const ADV: i32 = 0;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BXL` is never used
[INFO] [stdout]   --> src/lvl17.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const BXL: i32 = 1;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BST` is never used
[INFO] [stdout]   --> src/lvl17.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const BST: i32 = 2;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `JNZ` is never used
[INFO] [stdout]   --> src/lvl17.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const JNZ: i32 = 3;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BXC` is never used
[INFO] [stdout]   --> src/lvl17.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const BXC: i32 = 4;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OUT` is never used
[INFO] [stdout]   --> src/lvl17.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const OUT: i32 = 5;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BDV` is never used
[INFO] [stdout]   --> src/lvl17.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const BDV: i32 = 6;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CDV` is never used
[INFO] [stdout]   --> src/lvl17.rs:40:7
[INFO] [stdout]    |
[INFO] [stdout] 40 | const CDV: i32 = 7;
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_program` is never used
[INFO] [stdout]   --> src/lvl17.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn run_program(a: i64, b: i64, c: i64, ip: usize, instructions: &Vec<i32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_combo_value` is never used
[INFO] [stdout]   --> src/lvl17.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn get_combo_value(a: i64, b: i64, c: i64, operand: i32) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2_naive` is never used
[INFO] [stdout]    --> src/lvl17.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn part2_naive() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_program_2` is never used
[INFO] [stdout]    --> src/lvl17.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn run_program_2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl17.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIZE` is never used
[INFO] [stdout]  --> src/lvl18.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const SIZE: usize = 71;
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl18.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl18.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl19.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]   --> src/lvl19.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Solver {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]   --> src/lvl19.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Solver {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 32 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl19.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver2` is never constructed
[INFO] [stdout]   --> src/lvl19.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Solver2 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `solve` is never used
[INFO] [stdout]   --> src/lvl19.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Solver2 {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] 82 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> u64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl20.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver` is never constructed
[INFO] [stdout]   --> src/lvl20.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | struct Solver {}
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `solve` and `solve_simple` are never used
[INFO] [stdout]    --> src/lvl20.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl Solver {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout]  66 |     fn solve(
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn solve_simple(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl20.rs:143:4
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_distances_map` is never used
[INFO] [stdout]    --> src/lvl20.rs:209:4
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn get_distances_map(tiles: &Vec<Vec<bool>>, from: (usize, usize)) -> Vec<Vec<usize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver2` is never constructed
[INFO] [stdout]    --> src/lvl20.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | struct Solver2 {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl21.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NumericKeypad` is never constructed
[INFO] [stdout]   --> src/lvl21.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct NumericKeypad {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `enter_code` and `get_pos` are never used
[INFO] [stdout]   --> src/lvl21.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl NumericKeypad {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 38 |     fn enter_code(&self, code: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DirectionalKeypad` is never constructed
[INFO] [stdout]   --> src/lvl21.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct DirectionalKeypad {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `enter_code`, `enter_code_chunk`, and `get_pos` are never used
[INFO] [stdout]    --> src/lvl21.rs:94:8
[INFO] [stdout]     |
[INFO] [stdout]  93 | impl DirectionalKeypad {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout]  94 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn enter_code(&mut self, code: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |     fn enter_code_chunk(&mut self, code: &str, strategy: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]    --> src/lvl21.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn part2() {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_code` is never used
[INFO] [stdout]    --> src/lvl21.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 | fn split_code(str: &String) -> Vec<&str> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl22.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_next` is never used
[INFO] [stdout]   --> src/lvl22.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn get_next(number: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl22.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl23.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl23.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl24.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert_value` is never used
[INFO] [stdout]   --> src/lvl24.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn insert_value<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/lvl24.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn part2() {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_2` is never used
[INFO] [stdout]    --> src/lvl24.rs:174:4
[INFO] [stdout]     |
[INFO] [stdout] 174 | fn process_2(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_i` is never used
[INFO] [stdout]    --> src/lvl24.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn check_i(i: usize, gates: &HashMap<String, (&str, &str, fn(u16, u16) -> u16)>) -> bool {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_2` is never used
[INFO] [stdout]    --> src/lvl24.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn solve_2(
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/lvl25.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn part1() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Schematic` is never constructed
[INFO] [stdout]   --> src/lvl25.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Schematic {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_lock` and `get_height` are never used
[INFO] [stdout]   --> src/lvl25.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Schematic {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 56 |     fn is_lock(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn get_height(&self, i: usize) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (guard.y == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (guard.y == 0) {
[INFO] [stdout] 40 +             if guard.y == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 43 +             if map.data[guard.y - 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:53:16
[INFO] [stdout]    |
[INFO] [stdout] 53 |             if (guard.y == map.data.len() - 1) {
[INFO] [stdout]    |                ^                             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -             if (guard.y == map.data.len() - 1) {
[INFO] [stdout] 53 +             if guard.y == map.data.len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 56 -             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stdout] 56 +             if map.data[guard.y + 1][guard.x] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |             if (guard.x == 0) {
[INFO] [stdout]    |                ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 66 -             if (guard.x == 0) {
[INFO] [stdout] 66 +             if guard.x == 0  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:69:16
[INFO] [stdout]    |
[INFO] [stdout] 69 |             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 69 -             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stdout] 69 +             if map.data[guard.y][guard.x - 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:79:16
[INFO] [stdout]    |
[INFO] [stdout] 79 |             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout]    |                ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -             if (guard.x == map.data[0].len() - 1) {
[INFO] [stdout] 79 +             if guard.x == map.data[0].len() - 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl06.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout]    |                ^                                                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 82 -             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stdout] 82 +             if map.data[guard.y][guard.x + 1] == MapState::Obstacle  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl06.rs:168:20
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 if (res == "Loop detected") {
[INFO] [stdout]     |                    ^                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 168 -                 if (res == "Loop detected") {
[INFO] [stdout] 168 +                 if res == "Loop detected"  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl09.rs:35:23
[INFO] [stdout]    |
[INFO] [stdout] 35 |             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout]    |                       ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -             } else if (back_file_idx > file_idx + 1) {
[INFO] [stdout] 35 +             } else if back_file_idx > file_idx + 1  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:40:16
[INFO] [stdout]    |
[INFO] [stdout] 40 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 40 -             if (process == positions.len()) {
[INFO] [stdout] 40 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl10.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |             if (process == positions.len()) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 70 -             if (process == positions.len()) {
[INFO] [stdout] 70 +             if process == positions.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/lvl14.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lvl16.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]    |                        ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 55 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl16.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout]     |                        ^                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 150 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stdout] 150 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lvl17.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout]     |                ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 210 -             if (val as i32 != instructions[output_idx]) {
[INFO] [stdout] 210 +             if val as i32 != instructions[output_idx]  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:89:60
[INFO] [stdout]    |
[INFO] [stdout] 89 | ...                   && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 89 -                                 && !positions.contains_key((&(r - 1, c)))
[INFO] [stdout] 89 +                                 && !positions.contains_key(&(r - 1, c) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]   --> src/lvl18.rs:98:60
[INFO] [stdout]    |
[INFO] [stdout] 98 | ...                   && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout]    |                                                  ^           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 98 -                                 && !positions.contains_key((&(r, c - 1)))
[INFO] [stdout] 98 +                                 && !positions.contains_key(&(r, c - 1) )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:107:60
[INFO] [stdout]     |
[INFO] [stdout] 107 | ...                   && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 107 -                                 && !positions.contains_key((&(r + 1, c)))
[INFO] [stdout] 107 +                                 && !positions.contains_key(&(r + 1, c) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lvl18.rs:116:60
[INFO] [stdout]     |
[INFO] [stdout] 116 | ...                   && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout]     |                                                  ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 116 -                                 && !positions.contains_key((&(r, c + 1)))
[INFO] [stdout] 116 +                                 && !positions.contains_key(&(r, c + 1) )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Component::ParentDir`
[INFO] [stdout]  --> src/lvl23.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Component::ParentDir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/lvl24.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/lvl24.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lvl14.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout]  71 | /     loop {
[INFO] [stdout]  72 | |         for r in 0..height {
[INFO] [stdout]  73 | |             for c in 0..width {
[INFO] [stdout]  74 | |                 area[r][c] = 0;
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 113 |       println!("Result: {}", result);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:208:42
[INFO] [stdout]     |
[INFO] [stdout] 208 |             let random_number: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/lvl24.rs:209:43
[INFO] [stdout]     |
[INFO] [stdout] 209 |             let random_number2: u64 = rng.gen_range(0..(1 << size));
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> src/lvl05.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 | ...                   i = j;
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:117:31
[INFO] [stdout]     |
[INFO] [stdout] 117 |         edges.retain(|&(left, right)| left != vertex);
[INFO] [stdout]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]    --> src/lvl05.rs:114:30
[INFO] [stdout]     |
[INFO] [stdout] 114 |             .filter(|&(left, right)| *left == vertex)
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]    --> src/lvl05.rs:105:48
[INFO] [stdout]     |
[INFO] [stdout] 105 |         .filter(|&&vertex| edges.iter().all(|&(left, right)| right != vertex))
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl09.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut files = input
[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: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl09.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl13.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     for mut arcade in arcades.iter_mut() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl14.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl14.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         for mut robot in robots.iter_mut() {
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl14.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `diff` is assigned to, but never used
[INFO] [stdout]   --> src/lvl14.rs:88:13
[INFO] [stdout]    |
[INFO] [stdout] 88 |         let mut diff = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_diff` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `diff` is never read
[INFO] [stdout]   --> src/lvl14.rs:93:21
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     diff += 1;
[INFO] [stdout]    |                     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl15.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_rows`
[INFO] [stdout]    --> src/lvl15.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let map_rows = map_instructions[0].lines().count();
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_rows`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `map_cols`
[INFO] [stdout]    --> src/lvl15.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let map_cols = map_instructions[0].lines().next().unwrap().chars().count() * 2;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_cols`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl15.rs:133:22
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl16.rs:10:22
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl16.rs:105:22
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let mut result = 0;
[INFO] [stdout]     |                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl17.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lvl17.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let a = lines[0]
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl18.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl18.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl19.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl19.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl21.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:105:23
[INFO] [stdout]     |
[INFO] [stdout] 105 |             .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:213:17
[INFO] [stdout]     |
[INFO] [stdout] 213 |             for i in 0..25 {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]    --> src/lvl21.rs:202:22
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let mut result = 0usize;
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/lvl21.rs:240:19
[INFO] [stdout]     |
[INFO] [stdout] 240 |         .filter(|(i, c)| *c == 'A')
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl22.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lvl22.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut result = 0;
[INFO] [stdout]    |                      ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/lvl23.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |         .filter(|(key, val)| {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]  --> src/lvl23.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut result = 0;
[INFO] [stdout]   |                      ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/lvl23.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut result = 0;
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/lvl24.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut result = 0;
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lvl24.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut result = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_topological_order` is never used
[INFO] [stdout]   --> src/lvl05.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn parse_topological_order(input: &String) -> Vec<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_horizontal` is never used
[INFO] [stdout]    --> src/lvl12.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Fence {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 159 |     fn is_horizontal(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2_naive` is never used
[INFO] [stdout]    --> src/lvl17.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn part2_naive() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_program_2` is never used
[INFO] [stdout]    --> src/lvl17.rs:148:4
[INFO] [stdout]     |
[INFO] [stdout] 148 | fn run_program_2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solver2` is never constructed
[INFO] [stdout]    --> src/lvl20.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 | struct Solver2 {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "0e85383244f7b2b2f355c6d39a4cac48c61bff2a047d032ef3b0099e81c98b55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e85383244f7b2b2f355c6d39a4cac48c61bff2a047d032ef3b0099e81c98b55", kill_on_drop: false }`
[INFO] [stdout] 0e85383244f7b2b2f355c6d39a4cac48c61bff2a047d032ef3b0099e81c98b55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca30e0e46175628953f4dc7ce8f69d21d0f9b1674e421686c481419f34b510a4
[INFO] running `Command { std: "docker" "start" "-a" "ca30e0e46175628953f4dc7ce8f69d21d0f9b1674e421686c481419f34b510a4", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |             if (guard.y == 0) {
[INFO] [stderr]    |                ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -             if (guard.y == 0) {
[INFO] [stderr] 40 +             if guard.y == 0  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stderr]    |                ^                                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 43 -             if (map.data[guard.y - 1][guard.x] == MapState::Obstacle) {
[INFO] [stderr] 43 +             if map.data[guard.y - 1][guard.x] == MapState::Obstacle  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:53:16
[INFO] [stderr]    |
[INFO] [stderr] 53 |             if (guard.y == map.data.len() - 1) {
[INFO] [stderr]    |                ^                             ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 -             if (guard.y == map.data.len() - 1) {
[INFO] [stderr] 53 +             if guard.y == map.data.len() - 1  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:56:16
[INFO] [stderr]    |
[INFO] [stderr] 56 |             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stderr]    |                ^                                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 56 -             if (map.data[guard.y + 1][guard.x] == MapState::Obstacle) {
[INFO] [stderr] 56 +             if map.data[guard.y + 1][guard.x] == MapState::Obstacle  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:66:16
[INFO] [stderr]    |
[INFO] [stderr] 66 |             if (guard.x == 0) {
[INFO] [stderr]    |                ^            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 66 -             if (guard.x == 0) {
[INFO] [stderr] 66 +             if guard.x == 0  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:69:16
[INFO] [stderr]    |
[INFO] [stderr] 69 |             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stderr]    |                ^                                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 69 -             if (map.data[guard.y][guard.x - 1] == MapState::Obstacle) {
[INFO] [stderr] 69 +             if map.data[guard.y][guard.x - 1] == MapState::Obstacle  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |             if (guard.x == map.data[0].len() - 1) {
[INFO] [stderr]    |                ^                                ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -             if (guard.x == map.data[0].len() - 1) {
[INFO] [stderr] 79 +             if guard.x == map.data[0].len() - 1  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl06.rs:82:16
[INFO] [stderr]    |
[INFO] [stderr] 82 |             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stderr]    |                ^                                                    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 82 -             if (map.data[guard.y][guard.x + 1] == MapState::Obstacle) {
[INFO] [stderr] 82 +             if map.data[guard.y][guard.x + 1] == MapState::Obstacle  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lvl06.rs:168:20
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 if (res == "Loop detected") {
[INFO] [stderr]     |                    ^                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 168 -                 if (res == "Loop detected") {
[INFO] [stderr] 168 +                 if res == "Loop detected"  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl09.rs:35:23
[INFO] [stderr]    |
[INFO] [stderr] 35 |             } else if (back_file_idx > file_idx + 1) {
[INFO] [stderr]    |                       ^                            ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 35 -             } else if (back_file_idx > file_idx + 1) {
[INFO] [stderr] 35 +             } else if back_file_idx > file_idx + 1  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl10.rs:40:16
[INFO] [stderr]    |
[INFO] [stderr] 40 |             if (process == positions.len()) {
[INFO] [stderr]    |                ^                          ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 40 -             if (process == positions.len()) {
[INFO] [stderr] 40 +             if process == positions.len()  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl10.rs:70:16
[INFO] [stderr]    |
[INFO] [stderr] 70 |             if (process == positions.len()) {
[INFO] [stderr]    |                ^                          ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 -             if (process == positions.len()) {
[INFO] [stderr] 70 +             if process == positions.len()  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lvl14.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lvl16.rs:55:24
[INFO] [stderr]    |
[INFO] [stderr] 55 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stderr]    |                        ^                                     ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stderr] 55 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lvl16.rs:150:24
[INFO] [stderr]     |
[INFO] [stderr] 150 |                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stderr]     |                        ^                                     ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 150 -                     if (val > paths[&(pos, direction)] + cost) {
[INFO] [stderr] 150 +                     if val > paths[&(pos, direction)] + cost  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lvl17.rs:210:16
[INFO] [stderr]     |
[INFO] [stderr] 210 |             if (val as i32 != instructions[output_idx]) {
[INFO] [stderr]     |                ^                                      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 210 -             if (val as i32 != instructions[output_idx]) {
[INFO] [stderr] 210 +             if val as i32 != instructions[output_idx]  {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/lvl18.rs:89:60
[INFO] [stderr]    |
[INFO] [stderr] 89 | ...                   && !positions.contains_key((&(r - 1, c)))
[INFO] [stderr]    |                                                  ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 89 -                                 && !positions.contains_key((&(r - 1, c)))
[INFO] [stderr] 89 +                                 && !positions.contains_key(&(r - 1, c) )
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]   --> src/lvl18.rs:98:60
[INFO] [stderr]    |
[INFO] [stderr] 98 | ...                   && !positions.contains_key((&(r, c - 1)))
[INFO] [stderr]    |                                                  ^           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 98 -                                 && !positions.contains_key((&(r, c - 1)))
[INFO] [stderr] 98 +                                 && !positions.contains_key(&(r, c - 1) )
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lvl18.rs:107:60
[INFO] [stderr]     |
[INFO] [stderr] 107 | ...                   && !positions.contains_key((&(r + 1, c)))
[INFO] [stderr]     |                                                  ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 107 -                                 && !positions.contains_key((&(r + 1, c)))
[INFO] [stderr] 107 +                                 && !positions.contains_key(&(r + 1, c) )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lvl18.rs:116:60
[INFO] [stderr]     |
[INFO] [stderr] 116 | ...                   && !positions.contains_key((&(r, c + 1)))
[INFO] [stderr]     |                                                  ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 116 -                                 && !positions.contains_key((&(r, c + 1)))
[INFO] [stderr] 116 +                                 && !positions.contains_key(&(r, c + 1) )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Component::ParentDir`
[INFO] [stderr]  --> src/lvl23.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::path::Component::ParentDir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/lvl24.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stderr]    --> src/lvl24.rs:206:29
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lvl14.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr]  71 | /     loop {
[INFO] [stderr]  72 | |         for r in 0..height {
[INFO] [stderr]  73 | |             for c in 0..width {
[INFO] [stderr]  74 | |                 area[r][c] = 0;
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |     }
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 113 |       println!("Result: {}", result);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/lvl24.rs:208:42
[INFO] [stderr]     |
[INFO] [stderr] 208 |             let random_number: u64 = rng.gen_range(0..(1 << size));
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/lvl24.rs:209:43
[INFO] [stderr]     |
[INFO] [stderr] 209 |             let random_number2: u64 = rng.gen_range(0..(1 << size));
[INFO] [stderr]     |                                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> src/lvl05.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 | ...                   i = j;
[INFO] [stderr]    |                       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/lvl05.rs:117:31
[INFO] [stderr]     |
[INFO] [stderr] 117 |         edges.retain(|&(left, right)| left != vertex);
[INFO] [stderr]     |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/lvl05.rs:114:30
[INFO] [stderr]     |
[INFO] [stderr] 114 |             .filter(|&(left, right)| *left == vertex)
[INFO] [stderr]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/lvl05.rs:105:48
[INFO] [stderr]     |
[INFO] [stderr] 105 |         .filter(|&&vertex| edges.iter().all(|&(left, right)| right != vertex))
[INFO] [stderr]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/lvl09.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut files = input
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/lvl09.rs:77:22
[INFO] [stderr]    |
[INFO] [stderr] 77 |     let mut result = 0;
[INFO] [stderr]    |                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl13.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     for mut arcade in arcades.iter_mut() {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl14.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl14.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut result = 0;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl14.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         for mut robot in robots.iter_mut() {
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/lvl14.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let mut result = 0;
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `diff` is assigned to, but never used
[INFO] [stderr]   --> src/lvl14.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         let mut diff = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_diff` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `diff` is never read
[INFO] [stderr]   --> src/lvl14.rs:93:21
[INFO] [stderr]    |
[INFO] [stderr] 93 |                     diff += 1;
[INFO] [stderr]    |                     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl15.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map_rows`
[INFO] [stderr]    --> src/lvl15.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let map_rows = map_instructions[0].lines().count();
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_rows`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `map_cols`
[INFO] [stderr]    --> src/lvl15.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |     let map_cols = map_instructions[0].lines().next().unwrap().chars().count() * 2;
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_map_cols`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]    --> src/lvl15.rs:133:22
[INFO] [stderr]     |
[INFO] [stderr] 133 |     let mut result = 0;
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/lvl16.rs:10:22
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let mut result = 0;
[INFO] [stderr]    |                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]    --> src/lvl16.rs:105:22
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let mut result = 0;
[INFO] [stderr]     |                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/lvl17.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     let mut result = 0;
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lvl17.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let a = lines[0]
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl18.rs:6:22
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl18.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut result = 0;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl19.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/lvl19.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let mut result = 0;
[INFO] [stderr]    |                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl21.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lvl21.rs:105:23
[INFO] [stderr]     |
[INFO] [stderr] 105 |             .filter(|(i, c)| *c == 'A')
[INFO] [stderr]     |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lvl21.rs:213:17
[INFO] [stderr]     |
[INFO] [stderr] 213 |             for i in 0..25 {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]    --> src/lvl21.rs:202:22
[INFO] [stderr]     |
[INFO] [stderr] 202 |     let mut result = 0usize;
[INFO] [stderr]     |                      ^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lvl21.rs:240:19
[INFO] [stderr]     |
[INFO] [stderr] 240 |         .filter(|(i, c)| *c == 'A')
[INFO] [stderr]     |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl22.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]   --> src/lvl22.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut result = 0;
[INFO] [stderr]    |                      ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/lvl23.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 |         .filter(|(key, val)| {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `result` is never read
[INFO] [stderr]  --> src/lvl23.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut result = 0;
[INFO] [stderr]   |                      ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl23.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut result = 0;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> src/lvl23.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut result = 0;
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/lvl24.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut result = 0;
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lvl24.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut result = 0;
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `read_task` is never used
[INFO] [stderr]  --> src/common.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn read_task(lvl: i32) -> String {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl01` is never used
[INFO] [stderr]  --> src/lvl01.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn lvl01() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl01_second` is never used
[INFO] [stderr]   --> src/lvl01.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn lvl01_second() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl02` is never used
[INFO] [stderr]  --> src/lvl02.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lvl02() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_levels_safe` is never used
[INFO] [stderr]   --> src/lvl02.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn check_levels_safe(line: String, predicate: fn(i32, i32) -> bool) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl02_second` is never used
[INFO] [stderr]   --> src/lvl02.rs:31:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn lvl02_second() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl03` is never used
[INFO] [stderr]  --> src/lvl03.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn lvl03() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl04` is never used
[INFO] [stderr]  --> src/lvl04.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn lvl04() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_xmas` is never used
[INFO] [stderr]   --> src/lvl04.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn count_xmas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl04_second` is never used
[INFO] [stderr]   --> src/lvl04.rs:90:8
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub fn lvl04_second() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_x_mas` is never used
[INFO] [stderr]    --> src/lvl04.rs:103:4
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn count_x_mas(lines: &Vec<&str>, i: usize, j: usize) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl05` is never used
[INFO] [stderr]  --> src/lvl05.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn lvl05() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_dependencies` is never used
[INFO] [stderr]   --> src/lvl05.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn parse_dependencies(input: &String) -> HashMap<&str, Vec<&str>> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `lvl05_second` is never used
[INFO] [stderr]   --> src/lvl05.rs:45:8
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub fn lvl05_second() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_topological_order` is never used
[INFO] [stderr]   --> src/lvl05.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn parse_topological_order(input: &String) -> Vec<&str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_updates` is never used
[INFO] [stderr]    --> src/lvl05.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn parse_updates(input: &String) -> Vec<Vec<&str>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl06.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `walk` is never used
[INFO] [stderr]   --> src/lvl06.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn walk(map: &mut Map, guard: &mut Guard) -> String {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `step` is never used
[INFO] [stderr]   --> src/lvl06.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn step(map: &mut Map, guard: &mut Guard) -> Result<String, String> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `MapState` is never used
[INFO] [stderr]   --> src/lvl06.rs:95:6
[INFO] [stderr]    |
[INFO] [stderr] 95 | enum MapState {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Map` is never constructed
[INFO] [stderr]    --> src/lvl06.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | struct Map {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Direction` is never used
[INFO] [stderr]    --> src/lvl06.rs:107:6
[INFO] [stderr]     |
[INFO] [stderr] 107 | enum Direction {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Guard` is never constructed
[INFO] [stderr]    --> src/lvl06.rs:115:8
[INFO] [stderr]     |
[INFO] [stderr] 115 | struct Guard {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_map` is never used
[INFO] [stderr]    --> src/lvl06.rs:121:4
[INFO] [stderr]     |
[INFO] [stderr] 121 | fn parse_map() -> (Map, Guard) {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl06.rs:154:4
[INFO] [stderr]     |
[INFO] [stderr] 154 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl07.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Task` is never constructed
[INFO] [stderr]   --> src/lvl07.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 | struct Task {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `part1` and `part2` are never used
[INFO] [stderr]   --> src/lvl07.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Task {
[INFO] [stderr]    | --------- methods in this implementation
[INFO] [stderr] 34 |     fn part1(&self) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 51 |     fn part2(&self) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `concatenate` is never used
[INFO] [stderr]   --> src/lvl07.rs:73:4
[INFO] [stderr]    |
[INFO] [stderr] 73 | fn concatenate(a: u64, b: u64) -> u64 {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl07.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl08.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Map` is never constructed
[INFO] [stderr]   --> src/lvl08.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | struct Map {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lvl08.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl Map {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 38 |     fn new(input: &String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl08.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl09.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `File` is never constructed
[INFO] [stderr]   --> src/lvl09.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 | struct File {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Gap` is never constructed
[INFO] [stderr]   --> src/lvl09.rs:60:8
[INFO] [stderr]    |
[INFO] [stderr] 60 | struct Gap {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `checksum` is never used
[INFO] [stderr]   --> src/lvl09.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl File {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] 66 |     fn checksum(&self) -> usize {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl09.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl10.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Map` is never constructed
[INFO] [stderr]   --> src/lvl10.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Map {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `walk`, and `walk2` are never used
[INFO] [stderr]   --> src/lvl10.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Map {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 22 |     fn new(input: &String) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 35 |     fn walk(&self, r: usize, c: usize) -> u32 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |     fn walk2(&self, r: usize, c: usize) -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl10.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl11.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Evo` is never constructed
[INFO] [stderr]   --> src/lvl11.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Evo {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `count_stones` is never used
[INFO] [stderr]   --> src/lvl11.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | impl Evo {
[INFO] [stderr]    | -------- method in this implementation
[INFO] [stderr] 20 |
[INFO] [stderr] 21 |     fn count_stones(&mut self, stone: &Stone, iterations: u32) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Stone` is never constructed
[INFO] [stderr]   --> src/lvl11.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 | struct Stone {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `mutate` is never used
[INFO] [stderr]   --> src/lvl11.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | impl Stone {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 39 |     fn mutate(&self) -> Vec<Stone> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `count_digits` is never used
[INFO] [stderr]   --> src/lvl11.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn count_digits(num: u64) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl11.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl12.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_region` is never used
[INFO] [stderr]   --> src/lvl12.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn build_region(farm: &Farm, r: usize, c: usize) -> Region {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Farm` is never constructed
[INFO] [stderr]   --> src/lvl12.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | struct Farm {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lvl12.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl Farm {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 69 |     fn new(input: &String) -> Farm {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Region` is never constructed
[INFO] [stderr]   --> src/lvl12.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr] 75 | struct Region {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `includes_plot`, `get_area`, `get_perimeter`, `get_perimeter_edges`, and `get_sides` are never used
[INFO] [stderr]    --> src/lvl12.rs:81:8
[INFO] [stderr]     |
[INFO] [stderr]  80 | impl Region {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr]  81 |     fn includes_plot(&self, plot: (usize, usize)) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  85 |     fn get_area(&self) -> usize {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  89 |     fn get_perimeter(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  93 |     fn get_perimeter_edges(&self, farm_width: usize, farm_height: usize) -> Vec<Fence> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 132 |     fn get_sides(&self, farm_width: usize, farm_height: usize) -> usize {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Fence` is never constructed
[INFO] [stderr]    --> src/lvl12.rs:151:8
[INFO] [stderr]     |
[INFO] [stderr] 151 | struct Fence {
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_horizontal` and `is_adjacent` are never used
[INFO] [stderr]    --> src/lvl12.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 158 | impl Fence {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] 159 |     fn is_horizontal(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn is_adjacent(&self, other: &Fence) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl12.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl13.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Arcade` is never constructed
[INFO] [stderr]   --> src/lvl13.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Arcade {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `find_ab` are never used
[INFO] [stderr]   --> src/lvl13.rs:37:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl Arcade {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 37 |     fn new(input: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn find_ab(&self) -> Result<(u64, u64), ()> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl13.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl14.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Robot` is never constructed
[INFO] [stderr]   --> src/lvl14.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Robot {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lvl14.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | impl Robot {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 43 |     fn new(input: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl14.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl15.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WideBox` is never constructed
[INFO] [stderr]    --> src/lvl15.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 | struct WideBox {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_occupying` is never used
[INFO] [stderr]    --> src/lvl15.rs:127:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | impl WideBox {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] 127 |     fn is_occupying(&self, row: usize, col: usize) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl15.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `WALL` is never used
[INFO] [stderr]  --> src/lvl16.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | static WALL: i32 = -1;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `DIRECTION_EAST` is never used
[INFO] [stderr]  --> src/lvl16.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | static DIRECTION_EAST: (i32, i32) = (0, 1);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `DIRECTION_WEST` is never used
[INFO] [stderr]  --> src/lvl16.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | static DIRECTION_WEST: (i32, i32) = (0, -1);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `DIRECTION_NORTH` is never used
[INFO] [stderr]  --> src/lvl16.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | static DIRECTION_NORTH: (i32, i32) = (-1, 0);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static `DIRECTION_SOUTH` is never used
[INFO] [stderr]  --> src/lvl16.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | static DIRECTION_SOUTH: (i32, i32) = (1, 0);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl16.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Map` is never constructed
[INFO] [stderr]   --> src/lvl16.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | struct Map {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/lvl16.rs:84:8
[INFO] [stderr]    |
[INFO] [stderr] 83 | impl Map {
[INFO] [stderr]    | -------- associated function in this implementation
[INFO] [stderr] 84 |     fn new(input: &str) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl16.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_tiles` is never used
[INFO] [stderr]    --> src/lvl16.rs:185:4
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn find_tiles(
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl17.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `ADV` is never used
[INFO] [stderr]   --> src/lvl17.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | const ADV: i32 = 0;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BXL` is never used
[INFO] [stderr]   --> src/lvl17.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 34 | const BXL: i32 = 1;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BST` is never used
[INFO] [stderr]   --> src/lvl17.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 | const BST: i32 = 2;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `JNZ` is never used
[INFO] [stderr]   --> src/lvl17.rs:36:7
[INFO] [stderr]    |
[INFO] [stderr] 36 | const JNZ: i32 = 3;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BXC` is never used
[INFO] [stderr]   --> src/lvl17.rs:37:7
[INFO] [stderr]    |
[INFO] [stderr] 37 | const BXC: i32 = 4;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `OUT` is never used
[INFO] [stderr]   --> src/lvl17.rs:38:7
[INFO] [stderr]    |
[INFO] [stderr] 38 | const OUT: i32 = 5;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `BDV` is never used
[INFO] [stderr]   --> src/lvl17.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 39 | const BDV: i32 = 6;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CDV` is never used
[INFO] [stderr]   --> src/lvl17.rs:40:7
[INFO] [stderr]    |
[INFO] [stderr] 40 | const CDV: i32 = 7;
[INFO] [stderr]    |       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_program` is never used
[INFO] [stderr]   --> src/lvl17.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn run_program(a: i64, b: i64, c: i64, ip: usize, instructions: &Vec<i32>) {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_combo_value` is never used
[INFO] [stderr]   --> src/lvl17.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn get_combo_value(a: i64, b: i64, c: i64, operand: i32) -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2_naive` is never used
[INFO] [stderr]    --> src/lvl17.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn part2_naive() {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `run_program_2` is never used
[INFO] [stderr]    --> src/lvl17.rs:148:4
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn run_program_2(
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl17.rs:251:4
[INFO] [stderr]     |
[INFO] [stderr] 251 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `SIZE` is never used
[INFO] [stderr]  --> src/lvl18.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const SIZE: usize = 71;
[INFO] [stderr]   |       ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl18.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl18.rs:49:4
[INFO] [stderr]    |
[INFO] [stderr] 49 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl19.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solver` is never constructed
[INFO] [stderr]   --> src/lvl19.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | struct Solver {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `solve` is never used
[INFO] [stderr]   --> src/lvl19.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 31 | impl Solver {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 32 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl19.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solver2` is never constructed
[INFO] [stderr]   --> src/lvl19.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct Solver2 {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `solve` is never used
[INFO] [stderr]   --> src/lvl19.rs:82:8
[INFO] [stderr]    |
[INFO] [stderr] 81 | impl Solver2 {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] 82 |     fn solve(&mut self, patterns: &Vec<&str>, line: &str, pos: usize) -> u64 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl20.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solver` is never constructed
[INFO] [stderr]   --> src/lvl20.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | struct Solver {}
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `solve` and `solve_simple` are never used
[INFO] [stderr]    --> src/lvl20.rs:66:8
[INFO] [stderr]     |
[INFO] [stderr]  65 | impl Solver {
[INFO] [stderr]     | ----------- methods in this implementation
[INFO] [stderr]  66 |     fn solve(
[INFO] [stderr]     |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |     fn solve_simple(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl20.rs:143:4
[INFO] [stderr]     |
[INFO] [stderr] 143 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_distances_map` is never used
[INFO] [stderr]    --> src/lvl20.rs:209:4
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn get_distances_map(tiles: &Vec<Vec<bool>>, from: (usize, usize)) -> Vec<Vec<usize>> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Solver2` is never constructed
[INFO] [stderr]    --> src/lvl20.rs:236:8
[INFO] [stderr]     |
[INFO] [stderr] 236 | struct Solver2 {}
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl21.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NumericKeypad` is never constructed
[INFO] [stderr]   --> src/lvl21.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct NumericKeypad {}
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `enter_code` and `get_pos` are never used
[INFO] [stderr]   --> src/lvl21.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl NumericKeypad {
[INFO] [stderr]    | ------------------ methods in this implementation
[INFO] [stderr] 38 |     fn enter_code(&self, code: &str) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `DirectionalKeypad` is never constructed
[INFO] [stderr]   --> src/lvl21.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | struct DirectionalKeypad {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `enter_code`, `enter_code_chunk`, and `get_pos` are never used
[INFO] [stderr]    --> src/lvl21.rs:94:8
[INFO] [stderr]     |
[INFO] [stderr]  93 | impl DirectionalKeypad {
[INFO] [stderr]     | ---------------------- associated items in this implementation
[INFO] [stderr]  94 |     fn new() -> Self {
[INFO] [stderr]     |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |     fn enter_code(&mut self, code: &str) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |     fn enter_code_chunk(&mut self, code: &str, strategy: &str) -> String {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |     fn get_pos(&self, c: char) -> (usize, usize) {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]    --> src/lvl21.rs:201:4
[INFO] [stderr]     |
[INFO] [stderr] 201 | fn part2() {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `split_code` is never used
[INFO] [stderr]    --> src/lvl21.rs:236:4
[INFO] [stderr]     |
[INFO] [stderr] 236 | fn split_code(str: &String) -> Vec<&str> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl22.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_next` is never used
[INFO] [stderr]   --> src/lvl22.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_next(number: u64) -> u64 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl22.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl23.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl23.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl24.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `insert_value` is never used
[INFO] [stderr]   --> src/lvl24.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn insert_value<'a>(
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part2` is never used
[INFO] [stderr]   --> src/lvl24.rs:98:4
[INFO] [stderr]    |
[INFO] [stderr] 98 | fn part2() {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `process_2` is never used
[INFO] [stderr]    --> src/lvl24.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn process_2(
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_i` is never used
[INFO] [stderr]    --> src/lvl24.rs:302:4
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn check_i(i: usize, gates: &HashMap<String, (&str, &str, fn(u16, u16) -> u16)>) -> bool {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solve_2` is never used
[INFO] [stderr]    --> src/lvl24.rs:332:4
[INFO] [stderr]     |
[INFO] [stderr] 332 | fn solve_2(
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `part1` is never used
[INFO] [stderr]  --> src/lvl25.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn part1() {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Schematic` is never constructed
[INFO] [stderr]   --> src/lvl25.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | struct Schematic {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_lock` and `get_height` are never used
[INFO] [stderr]   --> src/lvl25.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | impl Schematic {
[INFO] [stderr]    | -------------- methods in this implementation
[INFO] [stderr] 56 |     fn is_lock(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 60 |     fn get_height(&self, i: usize) -> u16 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_topological_order` is never used
[INFO] [stderr]   --> src/lvl05.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn parse_topological_order(input: &String) -> Vec<&str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_horizontal` is never used
[INFO] [stderr]    --> src/lvl12.rs:159:8
[INFO] [stderr]     |
[INFO] [stderr] 158 | impl Fence {
[INFO] [stderr]     | ---------- method in this implementation
[INFO] [stderr] 159 |     fn is_horizontal(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2024` (lib) generated 195 warnings (run `cargo fix --lib -p aoc-2024` to apply 43 suggestions)
[INFO] [stderr] warning: `aoc-2024` (lib test) generated 69 warnings (67 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/aoc_2024-0efa03fb3320d179)
[INFO] [stdout] 
[INFO] [stdout] running 49 tests
[INFO] [stdout] test lvl02::tests::test_lvl02 ... ok
[INFO] [stdout] test lvl01::tests::test_lvl01_second ... ok
[INFO] [stdout] test lvl01::tests::test_lvl01 ... ok
[INFO] [stdout] test lvl07::tests::test_concatenate ... ok
[INFO] [stdout] test lvl10::tests::test_part2 ... ok
[INFO] [stdout] test lvl09::tests::test_part1 ... ok
[INFO] [stdout] test lvl10::tests::test_part1 ... ok
[INFO] [stdout] test lvl08::tests::test_part1 ... ok
[INFO] [stdout] test lvl05::tests::test_lvl05_second ... ok
[INFO] [stdout] test lvl05::tests::test_lvl05 ... ok
[INFO] [stdout] test lvl13::tests::test_part2 ... ok
[INFO] [stdout] test lvl13::tests::test_part1 ... ok
[INFO] [stdout] test lvl08::tests::test_part2 ... ok
[INFO] [stdout] test lvl02::tests::test_lvl02_second ... ok
[INFO] [stdout] test lvl14::tests::test_part1 ... ok
[INFO] [stdout] test lvl06::tests::test_part1 ... ok
[INFO] [stdout] test lvl11::tests::test_part1 ... ok
[INFO] [stdout] test lvl17::tests::test_part1 ... ok
[INFO] [stdout] test lvl03::tests::test_lvl03 ... ok
[INFO] [stdout] test lvl07::tests::test_part1 ... ok
[INFO] [stdout] test lvl14::tests::test_part2 ... FAILED
[INFO] [stdout] test lvl04::tests::test_lvl04_second ... ok
[INFO] [stdout] test lvl04::tests::test_lvl04 ... ok
[INFO] [stdout] test lvl11::tests::test_part2 ... ok
[INFO] [stdout] test lvl16::tests::test_part1 ... ok
[INFO] [stdout] test lvl21::tests::test_part1 ... ok
[INFO] [stdout] test lvl21::tests::test_part2 ... ok
[INFO] [stdout] test lvl19::tests::test_part1 ... ok
[INFO] [stdout] test lvl15::tests::test_part1 ... ok
[INFO] [stdout] test lvl23::tests::test_part1 ... ok
[INFO] [stdout] test lvl22::tests::test_part1 ... ok
[INFO] [stdout] test lvl24::tests::test_part1 ... ok
[INFO] [stdout] test lvl18::tests::test_part1 ... ok
[INFO] [stdout] test lvl25::tests::test_part1 ... ok
[INFO] [stdout] test lvl23::tests::test_part2 ... ok
[INFO] [stdout] test lvl09::tests::test_part2 ... ok
[INFO] [stdout] test lvl19::tests::test_part2 ... ok
[INFO] [stdout] test lvl20::tests::test_part2 ... ok
[INFO] [stdout] test lvl16::tests::test_part2 ... ok
[INFO] [stdout] test lvl12::tests::test_part2 ... ok
[INFO] [stdout] test lvl12::tests::test_part1 ... ok
[INFO] [stdout] test lvl15::tests::test_part2 ... ok
[INFO] [stdout] test lvl07::tests::test_part2 ... ok
[INFO] [stdout] test lvl22::tests::test_part2 ... ok
[INFO] [stdout] test lvl18::tests::test_part2 ... ok
[INFO] [stdout] test lvl06::tests::test_part2 has been running for over 60 seconds
[INFO] [stdout] test lvl17::tests::test_part2 has been running for over 60 seconds
[INFO] [stdout] test lvl20::tests::test_part1 has been running for over 60 seconds
[INFO] [stdout] test lvl24::tests::test_part2 has been running for over 60 seconds
[INFO] [stdout] test lvl06::tests::test_part2 ... ok
[INFO] [stdout] test lvl17::tests::test_part2 ... ok
[INFO] [stdout] test lvl20::tests::test_part1 ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ca30e0e46175628953f4dc7ce8f69d21d0f9b1674e421686c481419f34b510a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca30e0e46175628953f4dc7ce8f69d21d0f9b1674e421686c481419f34b510a4", kill_on_drop: false }`
[INFO] [stdout] ca30e0e46175628953f4dc7ce8f69d21d0f9b1674e421686c481419f34b510a4
