[INFO] cloning repository https://github.com/Gsciarra/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gsciarra/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGsciarra%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGsciarra%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b615f2b8c3e103a86374033e7c6333c3a159e45f
[INFO] checking Gsciarra/adventofcode2020 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGsciarra%2Fadventofcode2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gsciarra/adventofcode2020 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Gsciarra/adventofcode2020
[INFO] finished tweaking git repo https://github.com/Gsciarra/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/Gsciarra/adventofcode2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Gsciarra/adventofcode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7179a5249256ae2fc8c98bcce917f2cbbfdd7ec636c52dd3dd0d98206cc3244
[INFO] running `Command { std: "docker" "start" "-a" "a7179a5249256ae2fc8c98bcce917f2cbbfdd7ec636c52dd3dd0d98206cc3244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7179a5249256ae2fc8c98bcce917f2cbbfdd7ec636c52dd3dd0d98206cc3244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7179a5249256ae2fc8c98bcce917f2cbbfdd7ec636c52dd3dd0d98206cc3244", kill_on_drop: false }`
[INFO] [stdout] a7179a5249256ae2fc8c98bcce917f2cbbfdd7ec636c52dd3dd0d98206cc3244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e352a495c129d8b0f2ac34b15b5e324b89e31fbda353c612bcbc45cdbf905dd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e352a495c129d8b0f2ac34b15b5e324b89e31fbda353c612bcbc45cdbf905dd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/day2/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::FromStr;
[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/day5/mod.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let m: f64 = ((range.0 + range.1) / 2f64);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day5/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let m: f64 = ((range.0 + range.1) / 2f64);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_input`
[INFO] [stdout]  --> src/day7/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::{get_input, get_input_by_lines, print_solution};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]  --> src/day7/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/day2/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::str::FromStr;
[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/day5/mod.rs:47:22
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let m: f64 = ((range.0 + range.1) / 2f64);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day5/mod.rs:71:22
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let m: f64 = ((range.0 + range.1) / 2f64);
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `get_input`
[INFO] [stdout]  --> src/day7/mod.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::utils::{get_input, get_input_by_lines, print_solution};
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::ParseIntError`
[INFO] [stdout]  --> src/day7/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::num::ParseIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day4/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input: String = get_input("input-day4.txt").unwrap();
[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/day7/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut contained: HashSet<String> = bag_tree
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_combination_to_obtain_n`
[INFO] [stdout]  --> src/day1/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn find_combination_to_obtain_n(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day1/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day1/mod.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_contain_char_a_range_of_times`
[INFO] [stdout]  --> src/day2/mod.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn str_contain_char_a_range_of_times(times_char_password: &TimesCharPassword) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_contain_char_in_one_positions`
[INFO] [stdout]   --> src/day2/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn str_contain_char_in_one_positions(positions_char_password: &PositionsCharPassword) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day2/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day2/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_trees_on_path`
[INFO] [stdout]  --> src/day3/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn count_trees_on_path(area_map: &mut AreaMap<Square>, position: &Position) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day3/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day3/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day4/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day4/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validation`
[INFO] [stdout]   --> src/day4/mod.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn validation(k_v_field: &Vec<&str>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_color`
[INFO] [stdout]    --> src/day4/mod.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn is_color(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_eye_color`
[INFO] [stdout]    --> src/day4/mod.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn is_eye_color(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day5/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_row`
[INFO] [stdout]   --> src/day5/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn get_row(indications: &str) -> f64 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_column`
[INFO] [stdout]   --> src/day5/mod.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn get_column(indications: &str) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day6/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/area_map.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         pub fn new(x: usize, y: usize) -> Position {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/utils/area_map.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         width: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/utils/area_map.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         height: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `has_pac_man_approach`
[INFO] [stdout]   --> src/utils/area_map.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         has_pac_man_approach: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to`
[INFO] [stdout]   --> src/utils/area_map.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn move_to(&mut self, p: Position) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_by`
[INFO] [stdout]   --> src/utils/area_map.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |         pub fn move_by(&mut self, p: Position) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on_bottom_map`
[INFO] [stdout]   --> src/utils/area_map.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |         pub fn is_on_bottom_map(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_location`
[INFO] [stdout]   --> src/utils/area_map.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |         pub fn get_location(&self) -> T {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_in`
[INFO] [stdout]   --> src/utils/area_map.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pub fn is_in(&self, p: T) -> bool {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pac_man_approach`
[INFO] [stdout]   --> src/utils/area_map.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |         pub fn set_pac_man_approach(&mut self, b: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_inside_base_map`
[INFO] [stdout]   --> src/utils/area_map.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn is_inside_base_map(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn get_input<T: FromStr>(name: &str) -> Result<T, T::Err> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/day4/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut input: String = get_input("input-day4.txt").unwrap();
[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: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day7/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut contained: HashSet<String> = bag_tree
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_combination_to_obtain_n`
[INFO] [stdout]  --> src/day1/mod.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn find_combination_to_obtain_n(
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day1/mod.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day1/mod.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_contain_char_a_range_of_times`
[INFO] [stdout]  --> src/day2/mod.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn str_contain_char_a_range_of_times(times_char_password: &TimesCharPassword) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `str_contain_char_in_one_positions`
[INFO] [stdout]   --> src/day2/mod.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn str_contain_char_in_one_positions(positions_char_password: &PositionsCharPassword) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day2/mod.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day2/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_trees_on_path`
[INFO] [stdout]  --> src/day3/mod.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn count_trees_on_path(area_map: &mut AreaMap<Square>, position: &Position) -> usize {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/day3/mod.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn solution1() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day3/mod.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day4/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day4/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validation`
[INFO] [stdout]   --> src/day4/mod.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn validation(k_v_field: &Vec<&str>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_color`
[INFO] [stdout]    --> src/day4/mod.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn is_color(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_eye_color`
[INFO] [stdout]    --> src/day4/mod.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn is_eye_color(s: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day5/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]  --> src/day6/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solution1() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6/mod.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn solution2() {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/utils/area_map.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         pub fn new(x: usize, y: usize) -> Position {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/utils/area_map.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         width: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/utils/area_map.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         height: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `has_pac_man_approach`
[INFO] [stdout]   --> src/utils/area_map.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         has_pac_man_approach: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to`
[INFO] [stdout]   --> src/utils/area_map.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn move_to(&mut self, p: Position) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_by`
[INFO] [stdout]   --> src/utils/area_map.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |         pub fn move_by(&mut self, p: Position) {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_on_bottom_map`
[INFO] [stdout]   --> src/utils/area_map.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |         pub fn is_on_bottom_map(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_location`
[INFO] [stdout]   --> src/utils/area_map.rs:66:16
[INFO] [stdout]    |
[INFO] [stdout] 66 |         pub fn get_location(&self) -> T {
[INFO] [stdout]    |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_in`
[INFO] [stdout]   --> src/utils/area_map.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pub fn is_in(&self, p: T) -> bool {
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_pac_man_approach`
[INFO] [stdout]   --> src/utils/area_map.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 78 |         pub fn set_pac_man_approach(&mut self, b: bool) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_inside_base_map`
[INFO] [stdout]   --> src/utils/area_map.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn is_inside_base_map(&self) -> bool {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn get_input<T: FromStr>(name: &str) -> Result<T, T::Err> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 38 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.16s
[INFO] running `Command { std: "docker" "inspect" "e352a495c129d8b0f2ac34b15b5e324b89e31fbda353c612bcbc45cdbf905dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e352a495c129d8b0f2ac34b15b5e324b89e31fbda353c612bcbc45cdbf905dd6", kill_on_drop: false }`
[INFO] [stdout] e352a495c129d8b0f2ac34b15b5e324b89e31fbda353c612bcbc45cdbf905dd6