[INFO] cloning repository https://github.com/MarcChesebro/advent_of_code_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcChesebro/advent_of_code_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcChesebro%2Fadvent_of_code_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcChesebro%2Fadvent_of_code_2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3071ee90527fe6f23b89e3ee4c1803db25a36b54
[INFO] checking MarcChesebro/advent_of_code_2024 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcChesebro%2Fadvent_of_code_2024" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MarcChesebro/advent_of_code_2024
[INFO] finished tweaking git repo https://github.com/MarcChesebro/advent_of_code_2024
[INFO] tweaked toml for git repo https://github.com/MarcChesebro/advent_of_code_2024 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MarcChesebro/advent_of_code_2024 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MarcChesebro/advent_of_code_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" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6
[INFO] running `Command { std: "docker" "start" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking advent_of_code_2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_one.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_lists` is never used
[INFO] [stdout]   --> src/day_one.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn process_lists(file: &str) -> (Vec<isize>, Vec<isize>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_one.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_values` is never used
[INFO] [stdout]   --> src/day_one.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn count_values(value: isize, list: &Vec<isize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_two.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part_one() -> usize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe` is never used
[INFO] [stdout]   --> src/day_two.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_safe(report: &Vec<isize>) -> bool {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_small_delta` is never used
[INFO] [stdout]   --> src/day_two.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn is_small_delta(report: &Vec<isize>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_increasing` is never used
[INFO] [stdout]   --> src/day_two.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn is_increasing(report: &Vec<isize>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_decreasing` is never used
[INFO] [stdout]   --> src/day_two.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn is_decreasing(report: &Vec<isize>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compare_to_previous` is never used
[INFO] [stdout]   --> src/day_two.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn compare_to_previous<F>(list: &Vec<isize>, predicate: F)  ->  bool
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_two.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | pub fn part_two() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expand_report` is never used
[INFO] [stdout]    --> src/day_two.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn expand_report(report: &Vec<isize>) -> Vec<Vec<isize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MULTIPLY_REGEX` is never used
[INFO] [stdout]  --> src/day_three.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const MULTIPLY_REGEX: &str = r"mul\(([0-9]+),([0-9]+)\)";
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_REGEX` is never used
[INFO] [stdout]  --> src/day_three.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const ALL_REGEX: &str = r"(mul\([0-9]+,[0-9]+\)|do\(\)|don't\(\))";
[INFO] [stdout]   |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_three.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_three.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_multiply` is never used
[INFO] [stdout]   --> src/day_three.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn process_multiply(string: &str) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIRECTION_OFFSETS` is never used
[INFO] [stdout]  --> src/day_four.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const DIRECTION_OFFSETS: [(isize, isize); 8] = [
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharMatrix` is never constructed
[INFO] [stdout]   --> src/day_four.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct CharMatrix {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `char_location_list`, `iter`, `get`, `is_char_at`, and `count_from_pattern` are never used
[INFO] [stdout]   --> src/day_four.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl CharMatrix {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 23 |     fn new(input: &str) -> CharMatrix {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn char_location_list(&self) -> VecDeque<((isize, isize), &char)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     fn iter(&self) -> CharMatrixIterator {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn get(&self, x: isize, y: isize) -> Option<&char> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn is_char_at(&self, c: &char, x: isize, y: isize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn count_from_pattern(&self, patterns: &Vec<Vec<((isize, isize), char)>>, target_char: char)  -> isize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CharMatrixIterator` is never constructed
[INFO] [stdout]   --> src/day_four.rs:84:8
[INFO] [stdout]    |
[INFO] [stdout] 84 | struct CharMatrixIterator<'a>  {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day_four.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | impl<'a> CharMatrixIterator<'a> {
[INFO] [stdout]    | ------------------------------- associated function in this implementation
[INFO] [stdout] 89 |     fn new(char_matrix: &CharMatrix) -> CharMatrixIterator {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_input` is never used
[INFO] [stdout]    --> src/day_four.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn process_input(input: &str) -> Vec<char> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]    --> src/day_four.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn part_one() -> isize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `patterns_from_word` is never used
[INFO] [stdout]    --> src/day_four.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn patterns_from_word(word: &str) -> Vec<Vec<((isize, isize), char)>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]    --> src/day_four.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn part_two() -> isize {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RuleMap` is never used
[INFO] [stdout]  --> src/day_five.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type RuleMap = HashMap<isize, Vec<isize>>;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_five.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_five.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `list_matches` is never used
[INFO] [stdout]   --> src/day_five.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn list_matches(list_one: &Vec<isize>, list_two: &Vec<isize>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RuleComparer` is never constructed
[INFO] [stdout]   --> src/day_five.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | struct RuleComparer {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `compare` are never used
[INFO] [stdout]   --> src/day_five.rs:71:8
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl RuleComparer {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 71 |     fn new(file: &str) -> RuleComparer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn compare(&self, left: isize, right: isize) -> Ordering {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_rules` is never used
[INFO] [stdout]   --> src/day_five.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn process_rules(file: &str) -> RuleMap {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_lists` is never used
[INFO] [stdout]    --> src/day_five.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn process_lists(file: &str) -> Vec<Vec<isize>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_six.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_six.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `PatrolPosition` is never used
[INFO] [stdout]   --> src/day_six.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | type PatrolPosition = ((isize, isize), PatrolObject);
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatrolMatrix` is never constructed
[INFO] [stdout]   --> src/day_six.rs:83:8
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct PatrolMatrix {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/day_six.rs:93:8
[INFO] [stdout]     |
[INFO] [stdout]  92 | impl PatrolMatrix {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout]  93 |     fn new(input: &str) -> PatrolMatrix {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn get(&self, x: isize, y: isize) -> Option<&PatrolObject> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     fn set(&mut self, x: isize, y: isize, object: PatrolObject) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 122 |     fn iter(&self) -> PatrolMatrixIterator {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn is_in_bounds(&self, position: (isize, isize)) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn run_patrol(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     fn run_patrol_step(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 178 |     fn set_guard(&mut self, patrol_position: PatrolPosition) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 187 |     fn find_guard(&self) -> Option<PatrolPosition>{
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |     fn count_seen(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 211 |     fn object_position_list(&self) -> VecDeque<PatrolPosition> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn is_stuck_in_loop(&self, patrol_turn: PatrolPosition) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `position_to_char` is never used
[INFO] [stdout]    --> src/day_six.rs:250:4
[INFO] [stdout]     |
[INFO] [stdout] 250 | fn position_to_char(patrol_object: &PatrolObject) -> char {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `position_forward` is never used
[INFO] [stdout]    --> src/day_six.rs:262:4
[INFO] [stdout]     |
[INFO] [stdout] 262 | fn position_forward(position: (isize, isize), direction: &Direction) -> (isize, isize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `direction_to_right` is never used
[INFO] [stdout]    --> src/day_six.rs:271:4
[INFO] [stdout]     |
[INFO] [stdout] 271 | fn direction_to_right(direction: &Direction) -> Direction {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PatrolObject` is never used
[INFO] [stdout]    --> src/day_six.rs:281:6
[INFO] [stdout]     |
[INFO] [stdout] 281 | enum PatrolObject {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]    --> src/day_six.rs:289:6
[INFO] [stdout]     |
[INFO] [stdout] 289 | enum Direction {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_input` is never used
[INFO] [stdout]    --> src/day_six.rs:296:4
[INFO] [stdout]     |
[INFO] [stdout] 296 | fn process_input(input: &str) -> Vec<PatrolObject> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PatrolMatrixIterator` is never constructed
[INFO] [stdout]    --> src/day_six.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 | struct PatrolMatrixIterator {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day_six.rs:316:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | impl<'a> PatrolMatrixIterator {
[INFO] [stdout]     | ----------------------------- associated function in this implementation
[INFO] [stdout] 316 |     fn new(patrol_matrix: &PatrolMatrix) -> PatrolMatrixIterator {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_seven.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_seven.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_calibration_tests` is never used
[INFO] [stdout]   --> src/day_seven.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn build_calibration_tests(file: &str) -> Vec<CalibrationTest> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_calibration_tests` is never used
[INFO] [stdout]   --> src/day_seven.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn run_calibration_tests(mut calibration_tests: Vec<CalibrationTest>, operations: &[Operation]) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CalibrationTest` is never constructed
[INFO] [stdout]   --> src/day_seven.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct CalibrationTest {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day_seven.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl CalibrationTest {
[INFO] [stdout]    | -------------------- associated function in this implementation
[INFO] [stdout] 70 |     fn new(contents: &str) -> CalibrationTest {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OperationNode` is never constructed
[INFO] [stdout]   --> src/day_seven.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | struct OperationNode {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `build_children`, `calculate_totals`, and `is_leaf` are never used
[INFO] [stdout]    --> src/day_seven.rs:99:8
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl OperationNode {
[INFO] [stdout]     | ------------------ associated items in this implementation
[INFO] [stdout]  99 |     fn new(operation: Option<Operation>, value: isize) -> OperationNode {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn build_children(&mut self, mut children: VecDeque<isize>, operations: &[Operation]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |     fn calculate_totals(&mut self, total: isize, totals_list: &mut Vec<isize>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operation` is never used
[INFO] [stdout]    --> src/day_seven.rs:146:6
[INFO] [stdout]     |
[INFO] [stdout] 146 | enum Operation {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `perform` is never used
[INFO] [stdout]    --> src/day_seven.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl Operation {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 153 |     fn perform(&self, lhs: isize, rhs: isize) -> isize {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concatenate` is never used
[INFO] [stdout]    --> src/day_seven.rs:162:4
[INFO] [stdout]     |
[INFO] [stdout] 162 | fn concatenate(lhs: isize, rhs: isize) -> isize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_eight.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_eight.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_antenna_map` is never used
[INFO] [stdout]   --> src/day_eight.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn build_antenna_map(file: &str) -> AntennaMap {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AntennaMap` is never constructed
[INFO] [stdout]    --> src/day_eight.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | struct AntennaMap {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_in_bounds` are never used
[INFO] [stdout]    --> src/day_eight.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl AntennaMap {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 138 |     fn new(map_string: &str) -> AntennaMap {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn is_in_bounds(&self, position: &Position) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_nine.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_checksum` is never used
[INFO] [stdout]   --> src/day_nine.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn calculate_checksum(filesystem: &Vec<Option<isize>>) -> isize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Data` and `Free` are never constructed
[INFO] [stdout]   --> src/day_nine.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 93 | enum FileData {
[INFO] [stdout]    |      -------- variants in this enum
[INFO] [stdout] 94 |     Data((isize, isize)),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 95 |     Free(isize),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FileData` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_nine.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_ten.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_ten.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/day_ten.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct Position {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day_ten.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Position {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 42 |     fn new(x: isize, y: isize) -> Position {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/day_ten.rs:66:8
[INFO] [stdout]     |
[INFO] [stdout]  65 | impl TerrainMap {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout]  66 |     fn new(file: &str) -> TerrainMap {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  86 |     fn get(&self, position: &Position) -> Option<isize> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  94 |     fn index_from_position(&self, position: &Position) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     fn is_in_bounds(&self, position: &Position) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn next_position(&self, position: &Position) -> Option<Position> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn iter(&self) -> TerrainMapIterator {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 119 |     fn score_trailhead(&self, position: &Position) -> isize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn rate_trailhead(&self, position: &Position) -> isize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     fn score_trailhead_step(&self, current_position: &Position, current_elevation: isize, trail_end_list: &mut Vec<Position>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_north_position` is never used
[INFO] [stdout]    --> src/day_ten.rs:164:4
[INFO] [stdout]     |
[INFO] [stdout] 164 | fn get_north_position(position: &Position) -> Position {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_south_position` is never used
[INFO] [stdout]    --> src/day_ten.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn get_south_position(position: &Position) -> Position {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_west_position` is never used
[INFO] [stdout]    --> src/day_ten.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn get_west_position(position: &Position) -> Position {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_east_position` is never used
[INFO] [stdout]    --> src/day_ten.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn get_east_position(position: &Position) -> Position {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TerrainMapIterator` is never constructed
[INFO] [stdout]    --> src/day_ten.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct TerrainMapIterator<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/day_ten.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | impl TerrainMapIterator<'_> {
[INFO] [stdout]     | --------------------------- associated function in this implementation
[INFO] [stdout] 186 |     fn new(terrain_map: &TerrainMap) -> TerrainMapIterator {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_one` is never used
[INFO] [stdout]  --> src/day_eleven.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part_one() -> isize {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part_two` is never used
[INFO] [stdout]   --> src/day_eleven.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn part_two() -> isize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_stones` is never used
[INFO] [stdout]   --> src/day_eleven.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_stones(file: &str) -> Vec<isize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blink` is never used
[INFO] [stdout]   --> src/day_eleven.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn blink(stones: &mut Vec<isize>) -> Vec<isize> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blink_map` is never used
[INFO] [stdout]   --> src/day_eleven.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn blink_map(stones: &HashMap<isize, isize>) -> HashMap<isize, isize> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_four.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn iter(&self) -> CharMatrixIterator {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn iter(&self) -> CharMatrixIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_four.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(char_matrix: &CharMatrix) -> CharMatrixIterator {
[INFO] [stdout]    |                         ^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(char_matrix: &CharMatrix) -> CharMatrixIterator<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day_ten.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn iter(&self) -> TerrainMapIterator {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn iter(&self) -> TerrainMapIterator<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day_ten.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn new(terrain_map: &TerrainMap) -> TerrainMapIterator {
[INFO] [stdout]     |                         ^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn new(terrain_map: &TerrainMap) -> TerrainMapIterator<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_four.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn iter(&self) -> CharMatrixIterator {
[INFO] [stdout]    |             ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn iter(&self) -> CharMatrixIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/day_four.rs:89:25
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(char_matrix: &CharMatrix) -> CharMatrixIterator {
[INFO] [stdout]    |                         ^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn new(char_matrix: &CharMatrix) -> CharMatrixIterator<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day_ten.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn iter(&self) -> TerrainMapIterator {
[INFO] [stdout]     |             ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |             |
[INFO] [stdout]     |             the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn iter(&self) -> TerrainMapIterator<'_> {
[INFO] [stdout]     |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/day_ten.rs:186:25
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn new(terrain_map: &TerrainMap) -> TerrainMapIterator {
[INFO] [stdout]     |                         ^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn new(terrain_map: &TerrainMap) -> TerrainMapIterator<'_> {
[INFO] [stdout]     |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.88s
[INFO] running `Command { std: "docker" "inspect" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6", kill_on_drop: false }`
[INFO] [stdout] 07d0f69101270125297ad2ab1c4d8835aeeefbfe42a106eb97dfe6dde0b6a0b6
