[INFO] cloning repository https://github.com/hercky/advent-of-code-rust-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hercky/advent-of-code-rust-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhercky%2Fadvent-of-code-rust-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhercky%2Fadvent-of-code-rust-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54581dc95d6da3770dc71c9575df52154780325b
[INFO] checking hercky/advent-of-code-rust-2024 against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhercky%2Fadvent-of-code-rust-2024" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/hercky/advent-of-code-rust-2024
[INFO] finished tweaking git repo https://github.com/hercky/advent-of-code-rust-2024
[INFO] tweaked toml for git repo https://github.com/hercky/advent-of-code-rust-2024 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hercky/advent-of-code-rust-2024 on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hercky/advent-of-code-rust-2024 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" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 341ff1b0afc54348693e7ea104a11d1fd0e259b5f52ebe0cf5c046e135762bb7
[INFO] running `Command { std: "docker" "start" "-a" "341ff1b0afc54348693e7ea104a11d1fd0e259b5f52ebe0cf5c046e135762bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "341ff1b0afc54348693e7ea104a11d1fd0e259b5f52ebe0cf5c046e135762bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341ff1b0afc54348693e7ea104a11d1fd0e259b5f52ebe0cf5c046e135762bb7", kill_on_drop: false }`
[INFO] [stdout] 341ff1b0afc54348693e7ea104a11d1fd0e259b5f52ebe0cf5c046e135762bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fbb9cce680a3e93abe7b92c27fc6146fd2aebed5fcf47bb684ecf5bbe2cb2f9
[INFO] running `Command { std: "docker" "start" "-a" "6fbb9cce680a3e93abe7b92c27fc6146fd2aebed5fcf47bb684ecf5bbe2cb2f9", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking tinyjson v2.5.1
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking advent_of_code v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/bin/09.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `adv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     adv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Adv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bxl` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     bxl,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bxl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bst` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bst,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jnz` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     jnz,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Jnz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bxc` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     bxc,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bxc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `out` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     out,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bdv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bdv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bdv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cdv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cdv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cdv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/11.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 0..25 {
[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: fields `coordinates`, `num_a_token`, and `num_b_token` are never read
[INFO] [stdout]   --> src/bin/13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Location {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 18 |     num_a_token: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     num_b_token: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_found`
[INFO] [stdout]    --> src/bin/09.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut target_found = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_found`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distance`
[INFO] [stdout]    --> src/bin/18.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if let Some(distance) = smallest_path(&grid, start, end) {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/09.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut target_found = false;
[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: function `print_path_on_grid` is never used
[INFO] [stdout]   --> src/bin/18.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn print_path_on_grid(grid: &Vec<Vec<u32>>, path: Vec<(usize, usize)>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Block` is never used
[INFO] [stdout]   --> src/bin/09.rs:93:6
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum Block {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | impl Block {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 136 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Space {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 145 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl File {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 156 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_block_to_repr` is never used
[INFO] [stdout]    --> src/bin/09.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn convert_block_to_repr(blocks: &Vec<Block>) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/24.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn part_two(input: &str) -> Option<u32> {
[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: field `name` is never read
[INFO] [stdout]   --> src/bin/24.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Gate {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inside` is never read
[INFO] [stdout]   --> src/bin/06.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             inside = false;
[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 does not need to be mutable
[INFO] [stdout]    --> src/bin/06.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut inside = true;
[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/06.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut loop_check: bool = false;
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `adv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     adv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Adv`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bxl` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     bxl,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bxl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bst` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     bst,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bst`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `jnz` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     jnz,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Jnz`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bxc` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     bxc,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bxc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `out` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     out,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Out`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `bdv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     bdv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case: `Bdv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `cdv` should have an upper camel case name
[INFO] [stdout]   --> src/bin/17.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cdv,
[INFO] [stdout]    |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cdv`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> src/bin/05.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let paths = floyd_warshall(&adjacency_matrix, &nodes_in_order);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if next.0 < 0 || next.1 < 0 || next.0 >= grid.len() || next.1 >= grid[0].len() {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if next.0 < 0 || next.1 < 0 || next.0 >= grid.len() || next.1 >= grid[0].len() {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if next.0 < 0
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 || next.1 < 0
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/25.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn part_two(input: &str) -> Option<u32> {
[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: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if next.0 < 0 || next.1 < 0 || next.0 >= grid.len() || next.1 >= grid[0].len() {
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if next.0 < 0 || next.1 < 0 || next.0 >= grid.len() || next.1 >= grid[0].len() {
[INFO] [stdout]    |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |             if next.0 < 0
[INFO] [stdout]    |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/bin/20.rs:84:20
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 || next.1 < 0
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/25.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 | pub fn part_two(input: &str) -> Option<u32> {
[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: unused import: `colored::*`
[INFO] [stdout]  --> src/bin/14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use colored::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bin/14.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/bin/12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/17.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Register {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     val: usize,
[INFO] [stdout] 7 |     name: char,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_state` is never used
[INFO] [stdout]    --> src/bin/17.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Machine {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn print_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region`
[INFO] [stdout]    --> src/bin/12.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     for region in &regions {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_region`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]  --> src/bin/17.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Register {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     val: usize,
[INFO] [stdout] 7 |     name: char,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_state` is never used
[INFO] [stdout]    --> src/bin/17.rs:216:8
[INFO] [stdout]     |
[INFO] [stdout] 92  | impl Machine {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 216 |     fn print_state(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/bin/24.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn part_two(input: &str) -> Option<u32> {
[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: field `plant` is never read
[INFO] [stdout]   --> src/bin/12.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Region {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 67 |     id: i32,
[INFO] [stdout] 68 |     plant: char,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bin/24.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Gate {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 22 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Gate` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/11.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for i in 0..25 {
[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: fields `coordinates`, `num_a_token`, and `num_b_token` are never read
[INFO] [stdout]   --> src/bin/13.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Location {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 17 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 18 |     num_a_token: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     num_b_token: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Location` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ans`
[INFO] [stdout]   --> src/bin/08.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut ans = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `best_path` is assigned to, but never used
[INFO] [stdout]   --> src/bin/16.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut best_path: Vec<(usize, usize, Direction)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_best_path` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numeric_code_to_directional_code` is never used
[INFO] [stdout]   --> src/bin/21.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn numeric_code_to_directional_code(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `directional_to_directional_code` is never used
[INFO] [stdout]   --> src/bin/21.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn directional_to_directional_code(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_path` is never read
[INFO] [stdout]   --> src/bin/16.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 best_path = path.clone();
[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 does not need to be mutable
[INFO] [stdout]   --> src/bin/08.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut grid: Vec<Vec<char>> = input.lines().map(|line| line.chars().collect()).collect();
[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/08.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut ans = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_robots`
[INFO] [stdout]    --> src/bin/14.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let original_robots = robots.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_robots`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/bin/16.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let end = find_cell(&grid, 'E')?;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]    --> src/bin/14.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut answer = 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: `original_robots`
[INFO] [stdout]    --> src/bin/14.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let original_robots = robots.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_robots`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inside` is never read
[INFO] [stdout]   --> src/bin/06.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             inside = false;
[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: `end`
[INFO] [stdout]    --> src/bin/16.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let end = find_cell(&grid, 'E')?;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/06.rs:124:9
[INFO] [stdout]     |
[INFO] [stdout] 124 |     let mut inside = true;
[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/06.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 125 |     let mut loop_check: bool = false;
[INFO] [stdout]     |         ----^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]    --> src/bin/05.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let paths = floyd_warshall(&adjacency_matrix, &nodes_in_order);
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::*`
[INFO] [stdout]  --> src/bin/14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use colored::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/bin/14.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::id`
[INFO] [stdout]  --> src/bin/09.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process::id;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/bin/12.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/01.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             sum += (k * v * right.get(k).unwrap());
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -             sum += (k * v * right.get(k).unwrap());
[INFO] [stdout] 65 +             sum += k * v * right.get(k).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/01.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             sum += (k * v * right.get(k).unwrap());
[INFO] [stdout]    |                    ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -             sum += (k * v * right.get(k).unwrap());
[INFO] [stdout] 65 +             sum += k * v * right.get(k).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `original_robots`
[INFO] [stdout]    --> src/bin/14.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |     let original_robots = robots.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_robots`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `answer` is never read
[INFO] [stdout]    --> src/bin/14.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |     let mut answer = 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: `original_robots`
[INFO] [stdout]    --> src/bin/14.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |     let original_robots = robots.clone();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_robots`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `region`
[INFO] [stdout]    --> src/bin/12.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     for region in &regions {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_region`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target_found`
[INFO] [stdout]    --> src/bin/09.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut target_found = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_found`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `plant` is never read
[INFO] [stdout]   --> src/bin/12.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct Region {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 67 |     id: i32,
[INFO] [stdout] 68 |     plant: char,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Region` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/09.rs:230:13
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let mut target_found = false;
[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: enum `Block` is never used
[INFO] [stdout]   --> src/bin/09.rs:93:6
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum Block {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 135 | impl Block {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 136 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 144 | impl Space {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] 145 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `debug_print` is never used
[INFO] [stdout]    --> src/bin/09.rs:156:8
[INFO] [stdout]     |
[INFO] [stdout] 155 | impl File {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] 156 |     fn debug_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `convert_block_to_repr` is never used
[INFO] [stdout]    --> src/bin/09.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn convert_block_to_repr(blocks: &Vec<Block>) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/bin/15.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 265 |     return None;
[INFO] [stdout]     |     ----------- any code following this expression is unreachable
[INFO] [stdout] 266 |
[INFO] [stdout] 267 |     let mut sum = 0;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/bin/15.rs:235:48
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn simulate_path_blocks(grid: &Vec<Vec<char>>, path: &Vec<char>) -> Vec<Vec<char>> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/15.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut grid = grid.clone();
[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: unused variable: `path`
[INFO] [stdout]    --> src/bin/15.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let (grid, path) = parse_input(input);
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_left`, `x_right`, and `y` are never read
[INFO] [stdout]    --> src/bin/15.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct Block {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 160 |     x_left: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 161 |     x_right: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 162 |     y: u32,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate_path_blocks` is never used
[INFO] [stdout]    --> src/bin/15.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn simulate_path_blocks(grid: &Vec<Vec<char>>, path: &Vec<char>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/bin/15.rs:267:5
[INFO] [stdout]     |
[INFO] [stdout] 265 |     return None;
[INFO] [stdout]     |     ----------- any code following this expression is unreachable
[INFO] [stdout] 266 |
[INFO] [stdout] 267 |     let mut sum = 0;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `best_path` is assigned to, but never used
[INFO] [stdout]   --> src/bin/16.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut best_path: Vec<(usize, usize, Direction)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_best_path` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `best_path` is never read
[INFO] [stdout]   --> src/bin/16.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 best_path = path.clone();
[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: `end`
[INFO] [stdout]    --> src/bin/16.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |     let end = find_cell(&grid, 'E')?;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/bin/15.rs:235:48
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn simulate_path_blocks(grid: &Vec<Vec<char>>, path: &Vec<char>) -> Vec<Vec<char>> {
[INFO] [stdout]     |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/bin/15.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let mut grid = grid.clone();
[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: unused variable: `path`
[INFO] [stdout]    --> src/bin/15.rs:242:16
[INFO] [stdout]     |
[INFO] [stdout] 242 |     let (grid, path) = parse_input(input);
[INFO] [stdout]     |                ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ans`
[INFO] [stdout]   --> src/bin/08.rs:85:13
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut ans = 0;
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `end`
[INFO] [stdout]    --> src/bin/16.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let end = find_cell(&grid, 'E')?;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x_left`, `x_right`, and `y` are never read
[INFO] [stdout]    --> src/bin/15.rs:160:5
[INFO] [stdout]     |
[INFO] [stdout] 159 | struct Block {
[INFO] [stdout]     |        ----- fields in this struct
[INFO] [stdout] 160 |     x_left: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 161 |     x_right: u32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 162 |     y: u32,
[INFO] [stdout]     |     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Block` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simulate_path_blocks` is never used
[INFO] [stdout]    --> src/bin/15.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn simulate_path_blocks(grid: &Vec<Vec<char>>, path: &Vec<char>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/08.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut grid: Vec<Vec<char>> = input.lines().map(|line| line.chars().collect()).collect();
[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/08.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut ans = 0;
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distance`
[INFO] [stdout]    --> src/bin/18.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         if let Some(distance) = smallest_path(&grid, start, end) {
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_distance`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_path_on_grid` is never used
[INFO] [stdout]   --> src/bin/18.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn print_path_on_grid(grid: &Vec<Vec<u32>>, path: Vec<(usize, usize)>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `numeric_code_to_directional_code` is never used
[INFO] [stdout]   --> src/bin/21.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn numeric_code_to_directional_code(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `directional_to_directional_code` is never used
[INFO] [stdout]   --> src/bin/21.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn directional_to_directional_code(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "6fbb9cce680a3e93abe7b92c27fc6146fd2aebed5fcf47bb684ecf5bbe2cb2f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbb9cce680a3e93abe7b92c27fc6146fd2aebed5fcf47bb684ecf5bbe2cb2f9", kill_on_drop: false }`
[INFO] [stdout] 6fbb9cce680a3e93abe7b92c27fc6146fd2aebed5fcf47bb684ecf5bbe2cb2f9