[INFO] cloning repository https://github.com/pauliancu97/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pauliancu97/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauliancu97%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauliancu97%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 144b6e10bf46d4d7c6078d3e1dcad35e0b55bcd4
[INFO] checking pauliancu97/advent-of-code-2018 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpauliancu97%2Fadvent-of-code-2018" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pauliancu97/advent-of-code-2018 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pauliancu97/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/pauliancu97/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/pauliancu97/advent-of-code-2018 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pauliancu97/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 854d97f2cd223323826bdb695d6a366dc18394cae9dc396e22f3b00207555a05
[INFO] running `Command { std: "docker" "start" "-a" "854d97f2cd223323826bdb695d6a366dc18394cae9dc396e22f3b00207555a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "854d97f2cd223323826bdb695d6a366dc18394cae9dc396e22f3b00207555a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "854d97f2cd223323826bdb695d6a366dc18394cae9dc396e22f3b00207555a05", kill_on_drop: false }`
[INFO] [stdout] 854d97f2cd223323826bdb695d6a366dc18394cae9dc396e22f3b00207555a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d8f798a6b282b0f16c7443e494ad0c53520b8c82799b9d834854e6a393b5ff
[INFO] running `Command { std: "docker" "start" "-a" "e7d8f798a6b282b0f16c7443e494ad0c53520b8c82799b9d834854e6a393b5ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking advent-of-code-2018-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/day_seven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/day_seven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]  --> src/day_one.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_input(path: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_calibrated_frequency`
[INFO] [stdout]  --> src/day_one.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_calibrated_frequency(input: &String) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_repeated_frequency`
[INFO] [stdout]   --> src/day_one.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_first_repeated_frequency(input: &String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_one.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_one.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_twice_thrice_id`
[INFO] [stdout]  --> src/day_two.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn is_twice_thrice_id(id: &str) -> (bool, bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_checksum_twice_thrice`
[INFO] [stdout]   --> src/day_two.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_checksum_twice_thrice(input: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_index_difference`
[INFO] [stdout]   --> src/day_two.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_index_difference(first: &str, second: &str) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_answer_string`
[INFO] [stdout]   --> src/day_two.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_answer_string(input: &Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_two.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_two.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]  --> src/day_three.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_three.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_string(input: &str) -> Option<Rectangle> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix`
[INFO] [stdout]   --> src/day_three.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Matrix<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day_three.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(rows: usize, cols: usize, default: T) -> Matrix<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]   --> src/day_three.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn count(&self, value: &T) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_rectangles`
[INFO] [stdout]   --> src/day_three.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn get_rectangles(input: &Vec<String>) -> Vec<Rectangle> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_fabric_size`
[INFO] [stdout]   --> src/day_three.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn get_fabric_size(rectangles: &Vec<Rectangle>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_matrix_with_one_rectangle`
[INFO] [stdout]   --> src/day_three.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn update_matrix_with_one_rectangle(matrix: &mut Matrix<i32>, rectangle: &Rectangle) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_matrix`
[INFO] [stdout]   --> src/day_three.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn update_matrix(matrix: &mut Matrix<i32>, rectangles: &Vec<Rectangle>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_shared_tiles`
[INFO] [stdout]   --> src/day_three.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn get_shared_tiles(matrix: &Matrix<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_rectangle_shared`
[INFO] [stdout]    --> src/day_three.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn is_rectangle_shared(matrix: &Matrix<i32>, rectangle: &Rectangle) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_not_shared_rectangle`
[INFO] [stdout]    --> src/day_three.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn get_not_shared_rectangle<'a>(matrix: &Matrix<i32>, rectangles: &'a Vec<Rectangle>) -> &'a Rectangle {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_three.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_three.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GuardEvent`
[INFO] [stdout]   --> src/day_four.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum GuardEvent {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_four.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_string(string: &str) -> Option<Date> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_four.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from_string(string: &str) -> Option<GuardEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_date`
[INFO] [stdout]   --> src/day_four.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_date(&self) -> &Date {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_minutes_asleep`
[INFO] [stdout]    --> src/day_four.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn get_minutes_asleep(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guards_events`
[INFO] [stdout]    --> src/day_four.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn get_guards_events(input: &Vec<String>) -> Vec<GuardEvent> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guards_schedules`
[INFO] [stdout]    --> src/day_four.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn get_guards_schedules(guards_events: &Vec<GuardEvent>) -> HashMap<usize, GuardSchedule> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_with_max_sleep_time`
[INFO] [stdout]    --> src/day_four.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_guard_with_max_sleep_time<'a>(guards_schedules: &'a Vec<GuardSchedule>) -> &'a GuardSchedule {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_most_asleep_minute`
[INFO] [stdout]    --> src/day_four.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn get_guard_most_asleep_minute(guard_schedule: &GuardSchedule) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_most_asleep_minute_with_frequency`
[INFO] [stdout]    --> src/day_four.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn get_guard_most_asleep_minute_with_frequency(guard_schedule: &GuardSchedule) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_four.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_four.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `are_units_same_type_opposites_polarities`
[INFO] [stdout]  --> src/day_five.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn are_units_same_type_opposites_polarities(first: char, second: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_polymer_after_first_reactions`
[INFO] [stdout]  --> src/day_five.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_polymer_after_first_reactions(polymer: &str) -> (String, bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_polymer_after_all_reactions`
[INFO] [stdout]   --> src/day_five.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn get_polymer_after_all_reactions(polymer: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_five.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_five.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_six.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Coordinate`
[INFO] [stdout]   --> src/day_six.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Coordinate {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_six.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from_string(string: &str) -> Option<Point> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_manhattan_distance`
[INFO] [stdout]   --> src/day_six.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_manhattan_distance(&self, other: &Point) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_coordinates`
[INFO] [stdout]   --> src/day_six.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_coordinates(strings: &Vec<String>) -> Vec<Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_board_size`
[INFO] [stdout]   --> src/day_six.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn get_board_size(coordinates: &Vec<Coordinate>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_coordinate_closest_to_point`
[INFO] [stdout]   --> src/day_six.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn get_coordinate_closest_to_point<'a>(point: &Point, coordinates: &'a Vec<Coordinate>) -> Option<&'a Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_matrix`
[INFO] [stdout]   --> src/day_six.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn fill_matrix(matrix: &mut Matrix<i32>, coordinates: &Vec<Coordinate>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_filled_matrix`
[INFO] [stdout]   --> src/day_six.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn get_filled_matrix(coordinates: &Vec<Coordinate>) -> Matrix<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_interior_coordinates`
[INFO] [stdout]   --> src/day_six.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn get_interior_coordinates<'a>(matrix: &Matrix<i32>, coordinates: &'a Vec<Coordinate>) -> Vec<&'a Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_points_safe_region`
[INFO] [stdout]    --> src/day_six.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_num_points_safe_region(matrix: &Matrix<i32>, coordinates: &Vec<Coordinate>, radius: i32) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_six.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_six.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Dependency`
[INFO] [stdout]  --> src/day_seven.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Dependency {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Task`
[INFO] [stdout]   --> src/day_seven.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day_seven.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(id: char, additional_time: usize) -> Task {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_seven.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn from_string(string: &str) -> Option<Dependency> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_dependencies`
[INFO] [stdout]   --> src/day_seven.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_dependencies(strings: &Vec<String>) -> Vec<Dependency> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tasks_graph`
[INFO] [stdout]   --> src/day_seven.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn get_tasks_graph(dependencies: &Vec<Dependency>) -> (HashSet<char>, HashMap<char, Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tasks_in_order`
[INFO] [stdout]   --> src/day_seven.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_tasks_in_order(tasks_set: &HashSet<char>, tasks_dependencies: &mut HashMap<char, Vec<char>>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_task_completion_time`
[INFO] [stdout]   --> src/day_seven.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn get_task_completion_time(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_seven.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_seven.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_meta_data_sum`
[INFO] [stdout]   --> src/day_eight.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_meta_data_sum(tree: &TreeNode) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_eight.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]  --> src/day_one.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn read_input(path: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_calibrated_frequency`
[INFO] [stdout]  --> src/day_one.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_calibrated_frequency(input: &String) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_first_repeated_frequency`
[INFO] [stdout]   --> src/day_one.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn get_first_repeated_frequency(input: &String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_one.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_one.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_twice_thrice_id`
[INFO] [stdout]  --> src/day_two.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn is_twice_thrice_id(id: &str) -> (bool, bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_checksum_twice_thrice`
[INFO] [stdout]   --> src/day_two.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn get_checksum_twice_thrice(input: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_index_difference`
[INFO] [stdout]   --> src/day_two.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn get_index_difference(first: &str, second: &str) -> Option<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_answer_string`
[INFO] [stdout]   --> src/day_two.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_answer_string(input: &Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_two.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_two.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]  --> src/day_three.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_three.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn from_string(input: &str) -> Option<Rectangle> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix`
[INFO] [stdout]   --> src/day_three.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct Matrix<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day_three.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 |     pub fn new(rows: usize, cols: usize, default: T) -> Matrix<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `count`
[INFO] [stdout]   --> src/day_three.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn count(&self, value: &T) -> usize {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_rectangles`
[INFO] [stdout]   --> src/day_three.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn get_rectangles(input: &Vec<String>) -> Vec<Rectangle> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_fabric_size`
[INFO] [stdout]   --> src/day_three.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn get_fabric_size(rectangles: &Vec<Rectangle>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_matrix_with_one_rectangle`
[INFO] [stdout]   --> src/day_three.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn update_matrix_with_one_rectangle(matrix: &mut Matrix<i32>, rectangle: &Rectangle) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_matrix`
[INFO] [stdout]   --> src/day_three.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn update_matrix(matrix: &mut Matrix<i32>, rectangles: &Vec<Rectangle>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_shared_tiles`
[INFO] [stdout]   --> src/day_three.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn get_shared_tiles(matrix: &Matrix<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_rectangle_shared`
[INFO] [stdout]    --> src/day_three.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn is_rectangle_shared(matrix: &Matrix<i32>, rectangle: &Rectangle) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_not_shared_rectangle`
[INFO] [stdout]    --> src/day_three.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn get_not_shared_rectangle<'a>(matrix: &Matrix<i32>, rectangles: &'a Vec<Rectangle>) -> &'a Rectangle {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_three.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_three.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `GuardEvent`
[INFO] [stdout]   --> src/day_four.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum GuardEvent {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_four.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn from_string(string: &str) -> Option<Date> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_four.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from_string(string: &str) -> Option<GuardEvent> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_date`
[INFO] [stdout]   --> src/day_four.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn get_date(&self) -> &Date {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_minutes_asleep`
[INFO] [stdout]    --> src/day_four.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn get_minutes_asleep(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guards_events`
[INFO] [stdout]    --> src/day_four.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn get_guards_events(input: &Vec<String>) -> Vec<GuardEvent> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guards_schedules`
[INFO] [stdout]    --> src/day_four.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn get_guards_schedules(guards_events: &Vec<GuardEvent>) -> HashMap<usize, GuardSchedule> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_with_max_sleep_time`
[INFO] [stdout]    --> src/day_four.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn get_guard_with_max_sleep_time<'a>(guards_schedules: &'a Vec<GuardSchedule>) -> &'a GuardSchedule {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_most_asleep_minute`
[INFO] [stdout]    --> src/day_four.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn get_guard_most_asleep_minute(guard_schedule: &GuardSchedule) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_guard_most_asleep_minute_with_frequency`
[INFO] [stdout]    --> src/day_four.rs:178:4
[INFO] [stdout]     |
[INFO] [stdout] 178 | fn get_guard_most_asleep_minute_with_frequency(guard_schedule: &GuardSchedule) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_four.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_four.rs:203:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `are_units_same_type_opposites_polarities`
[INFO] [stdout]  --> src/day_five.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn are_units_same_type_opposites_polarities(first: char, second: char) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_polymer_after_first_reactions`
[INFO] [stdout]  --> src/day_five.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn get_polymer_after_first_reactions(polymer: &str) -> (String, bool) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_polymer_after_all_reactions`
[INFO] [stdout]   --> src/day_five.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn get_polymer_after_all_reactions(polymer: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_five.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]   --> src/day_five.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub fn solve_part_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_six.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Coordinate`
[INFO] [stdout]   --> src/day_six.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Coordinate {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_six.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn from_string(string: &str) -> Option<Point> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_manhattan_distance`
[INFO] [stdout]   --> src/day_six.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn get_manhattan_distance(&self, other: &Point) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_coordinates`
[INFO] [stdout]   --> src/day_six.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_coordinates(strings: &Vec<String>) -> Vec<Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_board_size`
[INFO] [stdout]   --> src/day_six.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn get_board_size(coordinates: &Vec<Coordinate>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_coordinate_closest_to_point`
[INFO] [stdout]   --> src/day_six.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn get_coordinate_closest_to_point<'a>(point: &Point, coordinates: &'a Vec<Coordinate>) -> Option<&'a Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fill_matrix`
[INFO] [stdout]   --> src/day_six.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn fill_matrix(matrix: &mut Matrix<i32>, coordinates: &Vec<Coordinate>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_filled_matrix`
[INFO] [stdout]   --> src/day_six.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn get_filled_matrix(coordinates: &Vec<Coordinate>) -> Matrix<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_interior_coordinates`
[INFO] [stdout]   --> src/day_six.rs:93:4
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn get_interior_coordinates<'a>(matrix: &Matrix<i32>, coordinates: &'a Vec<Coordinate>) -> Vec<&'a Coordinate> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_num_points_safe_region`
[INFO] [stdout]    --> src/day_six.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn get_num_points_safe_region(matrix: &Matrix<i32>, coordinates: &Vec<Coordinate>, radius: i32) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_six.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_six.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout] 148 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Dependency`
[INFO] [stdout]  --> src/day_seven.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Dependency {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Task`
[INFO] [stdout]   --> src/day_seven.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Task {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day_seven.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn new(id: char, additional_time: usize) -> Task {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_string`
[INFO] [stdout]   --> src/day_seven.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn from_string(string: &str) -> Option<Dependency> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_dependencies`
[INFO] [stdout]   --> src/day_seven.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_dependencies(strings: &Vec<String>) -> Vec<Dependency> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tasks_graph`
[INFO] [stdout]   --> src/day_seven.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn get_tasks_graph(dependencies: &Vec<Dependency>) -> (HashSet<char>, HashMap<char, Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_tasks_in_order`
[INFO] [stdout]   --> src/day_seven.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn get_tasks_in_order(tasks_set: &HashSet<char>, tasks_dependencies: &mut HashMap<char, Vec<char>>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_task_completion_time`
[INFO] [stdout]   --> src/day_seven.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn get_task_completion_time(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]    --> src/day_seven.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn solve_part_one() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_two`
[INFO] [stdout]    --> src/day_seven.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | pub fn solve_part_two() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_meta_data_sum`
[INFO] [stdout]   --> src/day_eight.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_meta_data_sum(tree: &TreeNode) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_part_one`
[INFO] [stdout]   --> src/day_eight.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn solve_part_one() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 68 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "e7d8f798a6b282b0f16c7443e494ad0c53520b8c82799b9d834854e6a393b5ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d8f798a6b282b0f16c7443e494ad0c53520b8c82799b9d834854e6a393b5ff", kill_on_drop: false }`
[INFO] [stdout] e7d8f798a6b282b0f16c7443e494ad0c53520b8c82799b9d834854e6a393b5ff