[INFO] cloning repository https://github.com/MMMaellon/AdventOfCode2023_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MMMaellon/AdventOfCode2023_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMMaellon%2FAdventOfCode2023_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMMaellon%2FAdventOfCode2023_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eae75b02bebb5af0eea760d663a768b566c019ea
[INFO] checking MMMaellon/AdventOfCode2023_Rust against master#561b5dea1e7e5c21f0fb550ca579229ceb878297 for pr-124661
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMMMaellon%2FAdventOfCode2023_Rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MMMaellon/AdventOfCode2023_Rust on toolchain 561b5dea1e7e5c21f0fb550ca579229ceb878297
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/MMMaellon/AdventOfCode2023_Rust
[INFO] finished tweaking git repo https://github.com/MMMaellon/AdventOfCode2023_Rust
[INFO] tweaked toml for git repo https://github.com/MMMaellon/AdventOfCode2023_Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MMMaellon/AdventOfCode2023_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" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b91a7a3d980de0cdeb14cbda8ec3b504afaa052721d67f974d1ad6cfcda131b
[INFO] running `Command { std: "docker" "start" "-a" "7b91a7a3d980de0cdeb14cbda8ec3b504afaa052721d67f974d1ad6cfcda131b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b91a7a3d980de0cdeb14cbda8ec3b504afaa052721d67f974d1ad6cfcda131b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b91a7a3d980de0cdeb14cbda8ec3b504afaa052721d67f974d1ad6cfcda131b", kill_on_drop: false }`
[INFO] [stdout] 7b91a7a3d980de0cdeb14cbda8ec3b504afaa052721d67f974d1ad6cfcda131b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+561b5dea1e7e5c21f0fb550ca579229ceb878297" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba8da0a4a4631705e78105a9d0c3b0c4b039576f70ad50548c37ed9fc80837e2
[INFO] running `Command { std: "docker" "start" "-a" "ba8da0a4a4631705e78105a9d0c3b0c4b039576f70ad50548c37ed9fc80837e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking advent_of_code v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `simulate_delete` is never used
[INFO] [stdout]    --> src/bin/22.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn simulate_delete(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_memo` is never used
[INFO] [stdout]    --> src/bin/22.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn print_memo(fallen: &Vec<Brick>, memo: &Vec<Option<Vec<Vec<bool>>>>, index: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::RangeInclusive`
[INFO] [stdout]  --> src/bin/18.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::RangeInclusive,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut lower: i128 = -10000;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut upper: i128 = 10000;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/bin/14.rs:294:13
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let mut i : usize = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/bin/14.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     for index in 0..1000000000 {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |                     Rule::X => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout]     = note: `#[warn(pointer_structural_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |                     Rule::M => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:275:21
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     Rule::A => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     Rule::S => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     Rule::X => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |                     Rule::M => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:339:21
[INFO] [stdout]     |
[INFO] [stdout] 339 |                     Rule::A => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:343:21
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     Rule::S => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let mut x_den = find_commmon_denominator(&x_matches);
[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/bin/24.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |     let mut y_den = find_commmon_denominator(&y_matches);
[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/bin/24.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |     let mut z_den = find_commmon_denominator(&z_matches);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `xy`, `xyz`, and `calc_xyz_intersect_time` are never used
[INFO] [stdout]    --> src/bin/24.rs:16:8
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Hail {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 16  |     fn xy(&self) -> (f64, f64) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 22  |     fn xyz(&self) -> (f64, f64, f64) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn calc_xyz_intersect_time(self, other: &Hail) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:441:17
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 Rule::X => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:444:17
[INFO] [stdout]     |
[INFO] [stdout] 444 |                 Rule::M => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:447:17
[INFO] [stdout]     |
[INFO] [stdout] 447 |                 Rule::A => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 Rule::S => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/bin/13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_part` is never used
[INFO] [stdout]    --> src/bin/19.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn evaluate_part(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_slices` is never used
[INFO] [stdout]    --> src/bin/19.rs:423:4
[INFO] [stdout]     |
[INFO] [stdout] 423 | fn find_slices(workflows: &Vec<Workflow>) -> (Vec<i128>, Vec<i128>, Vec<i128>, Vec<i128>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec_deque`
[INFO] [stdout]  --> src/bin/20.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{vec_deque, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `negative_x`
[INFO] [stdout]   --> src/bin/18.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_negative_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positive_x`
[INFO] [stdout]   --> src/bin/18.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positive_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positive_y`
[INFO] [stdout]   --> src/bin/18.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positive_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_perimeter` is never used
[INFO] [stdout]    --> src/bin/18.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn calc_perimeter(steps: &Vec<Step>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/20.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_input(&mut self, other: usize) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]    --> src/bin/20.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/20.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:187:30
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn add_output(&mut self, other: usize) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn add_input(&mut self, other: usize) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conjunction`
[INFO] [stdout]    --> src/bin/20.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |         if let Some(conjunction) = module.as_any().downcast_mut::<Conjunction>() {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conjunction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_possible_centers` is never used
[INFO] [stdout]   --> src/bin/13.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn generate_possible_centers(input: &Vec<usize>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `low_pulses` is assigned to, but never used
[INFO] [stdout]    --> src/bin/20.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let mut low_pulses : usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_low_pulses` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |     let mut lower: i128 = -10000;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `high_pulses` is assigned to, but never used
[INFO] [stdout]    --> src/bin/20.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let mut high_pulses : usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_high_pulses` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_smudge` is never used
[INFO] [stdout]    --> src/bin/13.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn fix_smudge(feature_set: &mut Vec<Vec<usize>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut upper: i128 = 10000;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/20.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FlipFlop {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/20.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Conjunction {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 67 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/bin/20.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct Broadcast {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 127 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/bin/20.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 164 | struct Sink {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 165 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/24.rs:338:9
[INFO] [stdout]     |
[INFO] [stdout] 338 |     let mut x_den = find_commmon_denominator(&x_matches);
[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/bin/24.rs:339:9
[INFO] [stdout]     |
[INFO] [stdout] 339 |     let mut y_den = find_commmon_denominator(&y_matches);
[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/bin/24.rs:340:9
[INFO] [stdout]     |
[INFO] [stdout] 340 |     let mut z_den = find_commmon_denominator(&z_matches);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/bin/24.rs:373:13
[INFO] [stdout]     |
[INFO] [stdout] 373 |         let a = Hail {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/bin/24.rs:381:13
[INFO] [stdout]     |
[INFO] [stdout] 381 |         let b = Hail {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]    --> src/bin/24.rs:393:13
[INFO] [stdout]     |
[INFO] [stdout] 393 |         let result = part_one(&advent_of_code::template::read_file("examples", DAY));
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `xy`, `xyz`, and `calc_xyz_intersect_time` are never used
[INFO] [stdout]    --> src/bin/24.rs:16:8
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Hail {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 16  |     fn xy(&self) -> (f64, f64) {
[INFO] [stdout]     |        ^^
[INFO] [stdout] ...
[INFO] [stdout] 22  |     fn xyz(&self) -> (f64, f64, f64) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |     fn calc_xyz_intersect_time(self, other: &Hail) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_highlighted` is never used
[INFO] [stdout]   --> src/bin/10.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_highlighted(tiles: &Vec<Vec<char>>, highlighted: &Vec<(usize, usize)>){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:267:21
[INFO] [stdout]     |
[INFO] [stdout] 267 |                     Rule::X => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout]     = note: `#[warn(pointer_structural_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:271:21
[INFO] [stdout]     |
[INFO] [stdout] 271 |                     Rule::M => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:275:21
[INFO] [stdout]     |
[INFO] [stdout] 275 |                     Rule::A => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |                     Rule::S => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:331:21
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     Rule::X => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:335:21
[INFO] [stdout]     |
[INFO] [stdout] 335 |                     Rule::M => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:339:21
[INFO] [stdout]     |
[INFO] [stdout] 339 |                     Rule::A => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:343:21
[INFO] [stdout]     |
[INFO] [stdout] 343 |                     Rule::S => {
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:441:17
[INFO] [stdout]     |
[INFO] [stdout] 441 |                 Rule::X => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:444:17
[INFO] [stdout]     |
[INFO] [stdout] 444 |                 Rule::M => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:447:17
[INFO] [stdout]     |
[INFO] [stdout] 447 |                 Rule::A => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointers and raw pointers not derived from integers in patterns behave unpredictably and should not be relied upon. See https://github.com/rust-lang/rust/issues/70861 for details.
[INFO] [stdout]    --> src/bin/19.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |                 Rule::S => {
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #120362 <https://github.com/rust-lang/rust/issues/120362>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate_part` is never used
[INFO] [stdout]    --> src/bin/19.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn evaluate_part(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_slices` is never used
[INFO] [stdout]    --> src/bin/19.rs:423:4
[INFO] [stdout]     |
[INFO] [stdout] 423 | fn find_slices(workflows: &Vec<Workflow>) -> (Vec<i128>, Vec<i128>, Vec<i128>, Vec<i128>) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best` is never read
[INFO] [stdout]    --> src/bin/25.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut best = HashSet::new();
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/25.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn part_two(input: &str) -> Option<usize> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_edges` is never used
[INFO] [stdout]   --> src/bin/25.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn count_edges(graph: &Graph, split: &HashSet<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_split` is never used
[INFO] [stdout]   --> src/bin/25.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn find_split(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/11.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for (i, column) in input.into_iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate_delete` is never used
[INFO] [stdout]    --> src/bin/22.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn simulate_delete(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_memo` is never used
[INFO] [stdout]    --> src/bin/22.rs:227:4
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn print_memo(fallen: &Vec<Brick>, memo: &Vec<Option<Vec<Vec<bool>>>>, index: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_row` is never used
[INFO] [stdout]   --> src/bin/11.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn print_row(row: &Vec<char>){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::RangeInclusive`
[INFO] [stdout]  --> src/bin/18.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ops::RangeInclusive,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memo`
[INFO] [stdout]    --> src/bin/23.rs:504:13
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut memo = vec![0; graph.len()];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_memo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `longest_paths`
[INFO] [stdout]    --> src/bin/23.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |     let mut longest_paths: Vec<Option<usize>> = vec![None; graph.len()];
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:504:9
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut memo = vec![0; graph.len()];
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |     let mut longest_paths: Vec<Option<usize>> = vec![None; graph.len()];
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_graph_paths` is never used
[INFO] [stdout]    --> src/bin/23.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn longest_graph_paths(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/bin/23.rs:212:6
[INFO] [stdout]     |
[INFO] [stdout] 212 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_path_dry` is never used
[INFO] [stdout]    --> src/bin/23.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn longest_path_dry(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `negative_x`
[INFO] [stdout]   --> src/bin/18.rs:90:10
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_negative_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positive_x`
[INFO] [stdout]   --> src/bin/18.rs:90:22
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |                      ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positive_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `positive_y`
[INFO] [stdout]   --> src/bin/18.rs:90:46
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let (negative_x, positive_x, negative_y, positive_y) = get_bounding_box(&steps);
[INFO] [stdout]    |                                              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_positive_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_highlighted` is never used
[INFO] [stdout]   --> src/bin/10.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn print_highlighted(tiles: &Vec<Vec<char>>, highlighted: &Vec<(usize, usize)>){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_perimeter` is never used
[INFO] [stdout]    --> src/bin/18.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn calc_perimeter(steps: &Vec<Step>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vec_deque`
[INFO] [stdout]  --> src/bin/20.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{vec_deque, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_energized` is never used
[INFO] [stdout]    --> src/bin/16.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn print_energized(width: usize, height: usize, energized: &HashSet<(usize, usize)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_energized` is never used
[INFO] [stdout]    --> src/bin/16.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn print_energized(width: usize, height: usize, energized: &HashSet<(usize, usize)>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/bin/13.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_len`
[INFO] [stdout]    --> src/bin/21.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let row_len = garden[0].len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_len`
[INFO] [stdout]    --> src/bin/21.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let col_len = garden.len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/bin/21.rs:280:30
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         for (j, c) in row.iter().enumerate() {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/bin/21.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         for (j, c) in row.iter().enumerate() {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/20.rs:145:45
[INFO] [stdout]     |
[INFO] [stdout] 145 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:153:29
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_input(&mut self, other: usize) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `high`
[INFO] [stdout]    --> src/bin/20.rs:183:33
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_high`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sender`
[INFO] [stdout]    --> src/bin/20.rs:183:45
[INFO] [stdout]     |
[INFO] [stdout] 183 |     fn receive_pulse(&mut self, high: bool, sender: usize) -> Option<bool> {
[INFO] [stdout]     |                                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_sender`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:187:30
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn add_output(&mut self, other: usize) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/bin/20.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn add_input(&mut self, other: usize) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/17.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `conjunction`
[INFO] [stdout]    --> src/bin/20.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |         if let Some(conjunction) = module.as_any().downcast_mut::<Conjunction>() {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_conjunction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/bin/14.rs:294:13
[INFO] [stdout]     |
[INFO] [stdout] 294 |     let mut i : usize = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `low_pulses` is assigned to, but never used
[INFO] [stdout]    --> src/bin/20.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |     let mut low_pulses : usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_low_pulses` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `high_pulses` is assigned to, but never used
[INFO] [stdout]    --> src/bin/20.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |     let mut high_pulses : usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_high_pulses` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/20.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct FlipFlop {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/bin/20.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Conjunction {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] 67 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/bin/20.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 126 | struct Broadcast {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 127 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]    --> src/bin/20.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 164 | struct Sink {
[INFO] [stdout]     |        ---- field in this struct
[INFO] [stdout] 165 |     id: usize,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/17.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_possible_centers` is never used
[INFO] [stdout]   --> src/bin/13.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn generate_possible_centers(input: &Vec<usize>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_smudge` is never used
[INFO] [stdout]    --> src/bin/13.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn fix_smudge(feature_set: &mut Vec<Vec<usize>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/bin/14.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |     for index in 0..1000000000 {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_step_infinite` is never used
[INFO] [stdout]   --> src/bin/21.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn take_step_infinite(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StepResult` is never constructed
[INFO] [stdout]   --> src/bin/21.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct StepResult {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/bin/21.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl StepResult {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 108 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_step_tiled` is never used
[INFO] [stdout]    --> src/bin/21.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn take_step_tiled(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_garden_tiles` is never used
[INFO] [stdout]    --> src/bin/21.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn process_garden_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pretty_print_tiles` is never used
[INFO] [stdout]    --> src/bin/21.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn pretty_print_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]    --> src/bin/21.rs:366:8
[INFO] [stdout]     |
[INFO] [stdout] 300 | impl StepRecord {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 366 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odd_step` is never used
[INFO] [stdout]    --> src/bin/21.rs:504:4
[INFO] [stdout]     |
[INFO] [stdout] 504 | fn even_odd_step(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memo`
[INFO] [stdout]    --> src/bin/23.rs:504:13
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut memo = vec![0; graph.len()];
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_memo`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `longest_paths`
[INFO] [stdout]    --> src/bin/23.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |     let mut longest_paths: Vec<Option<usize>> = vec![None; graph.len()];
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_longest_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_max` is never used
[INFO] [stdout]    --> src/bin/21.rs:818:4
[INFO] [stdout]     |
[INFO] [stdout] 818 | fn find_max(distances: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:504:9
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut memo = vec![0; graph.len()];
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/23.rs:506:9
[INFO] [stdout]     |
[INFO] [stdout] 506 |     let mut longest_paths: Vec<Option<usize>> = vec![None; graph.len()];
[INFO] [stdout]     |         ----^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_graph_paths` is never used
[INFO] [stdout]    --> src/bin/23.rs:135:4
[INFO] [stdout]     |
[INFO] [stdout] 135 | fn longest_graph_paths(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/bin/23.rs:212:6
[INFO] [stdout]     |
[INFO] [stdout] 212 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_path_dry` is never used
[INFO] [stdout]    --> src/bin/23.rs:219:4
[INFO] [stdout]     |
[INFO] [stdout] 219 | fn longest_path_dry(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/11.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     for (i, column) in input.into_iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_row` is never used
[INFO] [stdout]   --> src/bin/11.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn print_row(row: &Vec<char>){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best` is never read
[INFO] [stdout]    --> src/bin/25.rs:164:13
[INFO] [stdout]     |
[INFO] [stdout] 164 |     let mut best = HashSet::new();
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/25.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 | pub fn part_two(input: &str) -> Option<usize> {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_edges` is never used
[INFO] [stdout]   --> src/bin/25.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn count_edges(graph: &Graph, split: &HashSet<usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_split` is never used
[INFO] [stdout]   --> src/bin/25.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn find_split(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `row_len`
[INFO] [stdout]    --> src/bin/21.rs:259:9
[INFO] [stdout]     |
[INFO] [stdout] 259 |     let row_len = garden[0].len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_row_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col_len`
[INFO] [stdout]    --> src/bin/21.rs:260:9
[INFO] [stdout]     |
[INFO] [stdout] 260 |     let col_len = garden.len();
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_col_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]    --> src/bin/21.rs:280:30
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         for (j, c) in row.iter().enumerate() {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/bin/21.rs:280:33
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         for (j, c) in row.iter().enumerate() {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_step_infinite` is never used
[INFO] [stdout]   --> src/bin/21.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn take_step_infinite(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StepResult` is never constructed
[INFO] [stdout]   --> src/bin/21.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 | struct StepResult {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/bin/21.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl StepResult {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] 108 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_step_tiled` is never used
[INFO] [stdout]    --> src/bin/21.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn take_step_tiled(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_garden_tiles` is never used
[INFO] [stdout]    --> src/bin/21.rs:171:4
[INFO] [stdout]     |
[INFO] [stdout] 171 | fn process_garden_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pretty_print_tiles` is never used
[INFO] [stdout]    --> src/bin/21.rs:245:4
[INFO] [stdout]     |
[INFO] [stdout] 245 | fn pretty_print_tiles(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `len` is never used
[INFO] [stdout]    --> src/bin/21.rs:366:8
[INFO] [stdout]     |
[INFO] [stdout] 300 | impl StepRecord {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 366 |     fn len(&self) -> usize {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `even_odd_step` is never used
[INFO] [stdout]    --> src/bin/21.rs:504:4
[INFO] [stdout]     |
[INFO] [stdout] 504 | fn even_odd_step(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_max` is never used
[INFO] [stdout]    --> src/bin/21.rs:818:4
[INFO] [stdout]     |
[INFO] [stdout] 818 | fn find_max(distances: &Vec<Vec<usize>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.34s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: advent_of_code v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ba8da0a4a4631705e78105a9d0c3b0c4b039576f70ad50548c37ed9fc80837e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8da0a4a4631705e78105a9d0c3b0c4b039576f70ad50548c37ed9fc80837e2", kill_on_drop: false }`
[INFO] [stdout] ba8da0a4a4631705e78105a9d0c3b0c4b039576f70ad50548c37ed9fc80837e2