[INFO] cloning repository https://github.com/mbrizic/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbrizic/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3aadbf2c11fde7e19c90d6181f5a149534c10156
[INFO] testing mbrizic/aoc2021 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbrizic%2Faoc2021" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbrizic/aoc2021 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbrizic/aoc2021
[INFO] finished tweaking git repo https://github.com/mbrizic/aoc2021
[INFO] tweaked toml for git repo https://github.com/mbrizic/aoc2021 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mbrizic/aoc2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 664a9c519d88b1cf5e9e3c60ef9ff0c7d4857a4eb523de813ff6f90478547e7c
[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" "664a9c519d88b1cf5e9e3c60ef9ff0c7d4857a4eb523de813ff6f90478547e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664a9c519d88b1cf5e9e3c60ef9ff0c7d4857a4eb523de813ff6f90478547e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664a9c519d88b1cf5e9e3c60ef9ff0c7d4857a4eb523de813ff6f90478547e7c", kill_on_drop: false }`
[INFO] [stdout] 664a9c519d88b1cf5e9e3c60ef9ff0c7d4857a4eb523de813ff6f90478547e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a59681059ac09aa0df503b9113eeb9e3e88a277ae3a5f670ca40b4bd8966c584
[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" "a59681059ac09aa0df503b9113eeb9e3e88a277ae3a5f670ca40b4bd8966c584", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/task_07/solution.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, convert::TryInto};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/task_09/solution.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, collections::{HashSet, HashMap}};
[INFO] [stdout]   |                              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/task_11/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_05/solution.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             for i in 0..number_of_moves {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/task_05/solution.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     for (i, row) in points.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuel_costs`
[INFO] [stdout]    --> src/task_07/solution.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fuel_costs: &[i32], 
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_costs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/task_08/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .find(|(index, code)| (*code).eq(c))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_01/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]  --> src/task_01/solution.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_first_part() -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_01/solution.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_02/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]  --> src/task_02/solution.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_first_part() -> i64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_02/solution.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_03/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_03/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_03/solution.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find`
[INFO] [stdout]   --> src/task_03/solution.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn find(
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oxygen_comparison_function`
[INFO] [stdout]    --> src/task_03/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn oxygen_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `co2_comparison_function`
[INFO] [stdout]    --> src/task_03/solution.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn co2_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_string_to_number`
[INFO] [stdout]    --> src/task_03/solution.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn binary_string_to_number(binary: String) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Row`
[INFO] [stdout]  --> src/task_04/solution.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Row = Vec<i32>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix`
[INFO] [stdout]  --> src/task_04/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Matrix {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/task_04/solution.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_04/solution.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_04/solution.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_numbers_until_first_win`
[INFO] [stdout]   --> src/task_04/solution.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn draw_numbers_until_first_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_numbers_until_all_win`
[INFO] [stdout]    --> src/task_04/solution.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn draw_numbers_until_all_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `construct_matrices`
[INFO] [stdout]    --> src/task_04/solution.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn construct_matrices(input_segments: &Vec<&str>) -> Vec<Matrix> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_final_score`
[INFO] [stdout]    --> src/task_04/solution.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn calculate_final_score(matrix: &Matrix, drawn_numbers: &Vec<i32>) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_matrix_valid`
[INFO] [stdout]    --> src/task_04/solution.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn verify_matrix_valid(matrix: &Matrix, numbers: &Vec<i32>) -> Result<(), bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Position`
[INFO] [stdout]  --> src/task_05/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Position {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/task_05/solution.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_05/solution.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_05/solution.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_and_verify`
[INFO] [stdout]   --> src/task_05/solution.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solve_and_verify(should_calculate_diagonals: bool, expected_result: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_06/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_06/solution.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_06/solution.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_fish_counts`
[INFO] [stdout]   --> src/task_06/solution.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn update_fish_counts(groups: &Vec<i64>) -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_07/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_07/solution.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_07/solution.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_fuel_costs_map`
[INFO] [stdout]   --> src/task_07/solution.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn build_fuel_costs_map() -> [i32; 1500] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_good_starting_position`
[INFO] [stdout]   --> src/task_07/solution.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn calculate_good_starting_position(crabs: &Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search_for_optimal_position`
[INFO] [stdout]   --> src/task_07/solution.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn search_for_optimal_position(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel_part_1`
[INFO] [stdout]    --> src/task_07/solution.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn calculate_fuel_part_1(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel_part_2`
[INFO] [stdout]    --> src/task_07/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn calculate_fuel_part_2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_08/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Row`
[INFO] [stdout]  --> src/task_08/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Row {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_08/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_08/solution.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_complicated_numbers`
[INFO] [stdout]    --> src/task_08/solution.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn parse_complicated_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_easy_numbers`
[INFO] [stdout]    --> src/task_08/solution.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn parse_easy_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sort_digits`
[INFO] [stdout]    --> src/task_08/solution.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn sort_digits(code: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_difference_between_two_strings`
[INFO] [stdout]    --> src/task_08/solution.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn find_difference_between_two_strings(bigger: &str, smaller: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_if_codes_overlap`
[INFO] [stdout]    --> src/task_08/solution.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn check_if_codes_overlap(bigger: &str, smaller: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_09/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `row`
[INFO] [stdout]   --> src/task_09/solution.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     row: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/task_09/solution.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     column: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/task_09/solution.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     value: i32
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RISK_LEVEL`
[INFO] [stdout]   --> src/task_09/solution.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | static RISK_LEVEL: i32 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_09/solution.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_value_at_point`
[INFO] [stdout]   --> src/task_09/solution.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn get_value_at_point(rows: &Vec<Vec<i32>>, row: usize, column: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `determine_potential_low_points`
[INFO] [stdout]   --> src/task_09/solution.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn determine_potential_low_points(rows: &Vec<Vec<i32>>) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_10/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_10/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_10/solution.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_points_for_line`
[INFO] [stdout]    --> src/task_10/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn calculate_points_for_line(remainder: &Vec<char>, points: &HashMap<char, i64>) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `COLS`
[INFO] [stdout]  --> src/task_11/solution.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | static COLS: usize = 10;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 69 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "a59681059ac09aa0df503b9113eeb9e3e88a277ae3a5f670ca40b4bd8966c584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a59681059ac09aa0df503b9113eeb9e3e88a277ae3a5f670ca40b4bd8966c584", kill_on_drop: false }`
[INFO] [stdout] a59681059ac09aa0df503b9113eeb9e3e88a277ae3a5f670ca40b4bd8966c584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 34b0fd3d0fb4153980e650130b4ddff763679ec83db68317f9d09f6d6ac18a4a
[INFO] running `Command { std: "docker" "start" "-a" "34b0fd3d0fb4153980e650130b4ddff763679ec83db68317f9d09f6d6ac18a4a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `vec`
[INFO] [stdout]  --> src/task_07/solution.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, convert::TryInto};
[INFO] [stdout]   |           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/task_09/solution.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{vec, collections::{HashSet, HashMap}};
[INFO] [stdout]   |                              ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/task_11/solution.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap},
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/task_05/solution.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |             for i in 0..number_of_moves {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/task_05/solution.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 |     for (i, row) in points.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fuel_costs`
[INFO] [stdout]    --> src/task_07/solution.rs:127:5
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fuel_costs: &[i32], 
[INFO] [stdout]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_costs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/task_08/solution.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 .find(|(index, code)| (*code).eq(c))
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_01/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]  --> src/task_01/solution.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_first_part() -> i64 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_01/solution.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_02/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]  --> src/task_02/solution.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn solve_first_part() -> i64{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_02/solution.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_03/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_03/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_03/solution.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find`
[INFO] [stdout]   --> src/task_03/solution.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn find(
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `oxygen_comparison_function`
[INFO] [stdout]    --> src/task_03/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn oxygen_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `co2_comparison_function`
[INFO] [stdout]    --> src/task_03/solution.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn co2_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_string_to_number`
[INFO] [stdout]    --> src/task_03/solution.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn binary_string_to_number(binary: String) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Row`
[INFO] [stdout]  --> src/task_04/solution.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Row = Vec<i32>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Matrix`
[INFO] [stdout]  --> src/task_04/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Matrix {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/task_04/solution.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_04/solution.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_04/solution.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_numbers_until_first_win`
[INFO] [stdout]   --> src/task_04/solution.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn draw_numbers_until_first_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_numbers_until_all_win`
[INFO] [stdout]    --> src/task_04/solution.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn draw_numbers_until_all_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `construct_matrices`
[INFO] [stdout]    --> src/task_04/solution.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn construct_matrices(input_segments: &Vec<&str>) -> Vec<Matrix> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_final_score`
[INFO] [stdout]    --> src/task_04/solution.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn calculate_final_score(matrix: &Matrix, drawn_numbers: &Vec<i32>) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `verify_matrix_valid`
[INFO] [stdout]    --> src/task_04/solution.rs:170:4
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn verify_matrix_valid(matrix: &Matrix, numbers: &Vec<i32>) -> Result<(), bool> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Position`
[INFO] [stdout]  --> src/task_05/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Position {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/task_05/solution.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn run() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_05/solution.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_05/solution.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_and_verify`
[INFO] [stdout]   --> src/task_05/solution.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solve_and_verify(should_calculate_diagonals: bool, expected_result: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_06/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_06/solution.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_06/solution.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_fish_counts`
[INFO] [stdout]   --> src/task_06/solution.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn update_fish_counts(groups: &Vec<i64>) -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_07/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_07/solution.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_07/solution.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_fuel_costs_map`
[INFO] [stdout]   --> src/task_07/solution.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn build_fuel_costs_map() -> [i32; 1500] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_good_starting_position`
[INFO] [stdout]   --> src/task_07/solution.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn calculate_good_starting_position(crabs: &Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `search_for_optimal_position`
[INFO] [stdout]   --> src/task_07/solution.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn search_for_optimal_position(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel_part_1`
[INFO] [stdout]    --> src/task_07/solution.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn calculate_fuel_part_1(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_fuel_part_2`
[INFO] [stdout]    --> src/task_07/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn calculate_fuel_part_2(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_08/solution.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Row`
[INFO] [stdout]  --> src/task_08/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Row {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_08/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_08/solution.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_complicated_numbers`
[INFO] [stdout]    --> src/task_08/solution.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn parse_complicated_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_easy_numbers`
[INFO] [stdout]    --> src/task_08/solution.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn parse_easy_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sort_digits`
[INFO] [stdout]    --> src/task_08/solution.rs:163:4
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn sort_digits(code: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_difference_between_two_strings`
[INFO] [stdout]    --> src/task_08/solution.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn find_difference_between_two_strings(bigger: &str, smaller: &str) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_if_codes_overlap`
[INFO] [stdout]    --> src/task_08/solution.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn check_if_codes_overlap(bigger: &str, smaller: &str) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_09/solution.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `row`
[INFO] [stdout]   --> src/task_09/solution.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     row: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/task_09/solution.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     column: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]   --> src/task_09/solution.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     value: i32
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/task_09/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RISK_LEVEL`
[INFO] [stdout]   --> src/task_09/solution.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | static RISK_LEVEL: i32 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_09/solution.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_value_at_point`
[INFO] [stdout]   --> src/task_09/solution.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn get_value_at_point(rows: &Vec<Vec<i32>>, row: usize, column: usize) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `determine_potential_low_points`
[INFO] [stdout]   --> src/task_09/solution.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn determine_potential_low_points(rows: &Vec<Vec<i32>>) -> Vec<Point> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/task_10/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_first_part`
[INFO] [stdout]   --> src/task_10/solution.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_first_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_second_part`
[INFO] [stdout]   --> src/task_10/solution.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn solve_second_part() -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_points_for_line`
[INFO] [stdout]    --> src/task_10/solution.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn calculate_points_for_line(remainder: &Vec<char>, points: &HashMap<char, i64>) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `COLS`
[INFO] [stdout]  --> src/task_11/solution.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | static COLS: usize = 10;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 69 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "34b0fd3d0fb4153980e650130b4ddff763679ec83db68317f9d09f6d6ac18a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b0fd3d0fb4153980e650130b4ddff763679ec83db68317f9d09f6d6ac18a4a", kill_on_drop: false }`
[INFO] [stdout] 34b0fd3d0fb4153980e650130b4ddff763679ec83db68317f9d09f6d6ac18a4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 187477b71912471dcd99527bb750e49756895d6cbd962d1161ecc53929d3a096
[INFO] running `Command { std: "docker" "start" "-a" "187477b71912471dcd99527bb750e49756895d6cbd962d1161ecc53929d3a096", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `vec`
[INFO] [stderr]  --> src/task_07/solution.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{vec, convert::TryInto};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/task_09/solution.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{vec, collections::{HashSet, HashMap}};
[INFO] [stderr]   |                              ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/task_11/solution.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::{HashMap},
[INFO] [stderr]   |                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/task_05/solution.rs:98:17
[INFO] [stderr]    |
[INFO] [stderr] 98 |             for i in 0..number_of_moves {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/task_05/solution.rs:116:10
[INFO] [stderr]     |
[INFO] [stderr] 116 |     for (i, row) in points.iter().enumerate() {
[INFO] [stderr]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fuel_costs`
[INFO] [stderr]    --> src/task_07/solution.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     fuel_costs: &[i32], 
[INFO] [stderr]     |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fuel_costs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/task_08/solution.rs:107:25
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 .find(|(index, code)| (*code).eq(c))
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_01/solution.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]  --> src/task_01/solution.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn solve_first_part() -> i64 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_01/solution.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_02/solution.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]  --> src/task_02/solution.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn solve_first_part() -> i64{
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_02/solution.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_03/solution.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_03/solution.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_03/solution.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find`
[INFO] [stderr]   --> src/task_03/solution.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn find(
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `oxygen_comparison_function`
[INFO] [stderr]    --> src/task_03/solution.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn oxygen_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `co2_comparison_function`
[INFO] [stderr]    --> src/task_03/solution.rs:140:4
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn co2_comparison_function(positive: usize, negative: usize) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary_string_to_number`
[INFO] [stderr]    --> src/task_03/solution.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn binary_string_to_number(binary: String) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Row`
[INFO] [stderr]  --> src/task_04/solution.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | type Row = Vec<i32>;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Matrix`
[INFO] [stderr]  --> src/task_04/solution.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Matrix {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/task_04/solution.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_04/solution.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_04/solution.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_numbers_until_first_win`
[INFO] [stderr]   --> src/task_04/solution.rs:86:4
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn draw_numbers_until_first_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_numbers_until_all_win`
[INFO] [stderr]    --> src/task_04/solution.rs:104:4
[INFO] [stderr]     |
[INFO] [stderr] 104 | fn draw_numbers_until_all_win(matrices: &Vec<Matrix>, numbers: &Vec<i32>, drawn_numbers: &mut Vec<i32>) -> Result<usize, bool> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `construct_matrices`
[INFO] [stderr]    --> src/task_04/solution.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn construct_matrices(input_segments: &Vec<&str>) -> Vec<Matrix> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_final_score`
[INFO] [stderr]    --> src/task_04/solution.rs:154:4
[INFO] [stderr]     |
[INFO] [stderr] 154 | fn calculate_final_score(matrix: &Matrix, drawn_numbers: &Vec<i32>) -> i64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `verify_matrix_valid`
[INFO] [stderr]    --> src/task_04/solution.rs:170:4
[INFO] [stderr]     |
[INFO] [stderr] 170 | fn verify_matrix_valid(matrix: &Matrix, numbers: &Vec<i32>) -> Result<(), bool> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Position`
[INFO] [stderr]  --> src/task_05/solution.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Position {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/task_05/solution.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn run() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_05/solution.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_05/solution.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_and_verify`
[INFO] [stderr]   --> src/task_05/solution.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn solve_and_verify(should_calculate_diagonals: bool, expected_result: i64) -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_06/solution.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_06/solution.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_06/solution.rs:41:4
[INFO] [stderr]    |
[INFO] [stderr] 41 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `update_fish_counts`
[INFO] [stderr]   --> src/task_06/solution.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn update_fish_counts(groups: &Vec<i64>) -> Vec<i64> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_07/solution.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_07/solution.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_07/solution.rs:40:4
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `build_fuel_costs_map`
[INFO] [stderr]   --> src/task_07/solution.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn build_fuel_costs_map() -> [i32; 1500] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_good_starting_position`
[INFO] [stderr]   --> src/task_07/solution.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn calculate_good_starting_position(crabs: &Vec<i32>) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search_for_optimal_position`
[INFO] [stderr]   --> src/task_07/solution.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn search_for_optimal_position(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_fuel_part_1`
[INFO] [stderr]    --> src/task_07/solution.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn calculate_fuel_part_1(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_fuel_part_2`
[INFO] [stderr]    --> src/task_07/solution.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn calculate_fuel_part_2(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_08/solution.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Row`
[INFO] [stderr]  --> src/task_08/solution.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Row {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_08/solution.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_08/solution.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_complicated_numbers`
[INFO] [stderr]    --> src/task_08/solution.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn parse_complicated_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_easy_numbers`
[INFO] [stderr]    --> src/task_08/solution.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn parse_easy_numbers(map: &mut [String; 10], code: &str) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sort_digits`
[INFO] [stderr]    --> src/task_08/solution.rs:163:4
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn sort_digits(code: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_difference_between_two_strings`
[INFO] [stderr]    --> src/task_08/solution.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn find_difference_between_two_strings(bigger: &str, smaller: &str) -> String {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_if_codes_overlap`
[INFO] [stderr]    --> src/task_08/solution.rs:193:4
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn check_if_codes_overlap(bigger: &str, smaller: &str) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_09/solution.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `row`
[INFO] [stderr]   --> src/task_09/solution.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     row: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/task_09/solution.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `column`
[INFO] [stderr]   --> src/task_09/solution.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     column: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/task_09/solution.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]   --> src/task_09/solution.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     value: i32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/task_09/solution.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `RISK_LEVEL`
[INFO] [stderr]   --> src/task_09/solution.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | static RISK_LEVEL: i32 = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_09/solution.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_value_at_point`
[INFO] [stderr]   --> src/task_09/solution.rs:61:4
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn get_value_at_point(rows: &Vec<Vec<i32>>, row: usize, column: usize) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `determine_potential_low_points`
[INFO] [stderr]   --> src/task_09/solution.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn determine_potential_low_points(rows: &Vec<Vec<i32>>) -> Vec<Point> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/task_10/solution.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_first_part`
[INFO] [stderr]   --> src/task_10/solution.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn solve_first_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve_second_part`
[INFO] [stderr]   --> src/task_10/solution.rs:63:4
[INFO] [stderr]    |
[INFO] [stderr] 63 | fn solve_second_part() -> i64 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `calculate_points_for_line`
[INFO] [stderr]    --> src/task_10/solution.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn calculate_points_for_line(remainder: &Vec<char>, points: &HashMap<char, i64>) -> i64 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `COLS`
[INFO] [stderr]  --> src/task_11/solution.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | static COLS: usize = 10;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc2021` (bin "aoc2021" test) generated 69 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/aoc2021-d77d44f56242c5ac)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "187477b71912471dcd99527bb750e49756895d6cbd962d1161ecc53929d3a096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "187477b71912471dcd99527bb750e49756895d6cbd962d1161ecc53929d3a096", kill_on_drop: false }`
[INFO] [stdout] 187477b71912471dcd99527bb750e49756895d6cbd962d1161ecc53929d3a096