[INFO] cloning repository https://github.com/miolfo/AdventOfCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miolfo/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiolfo%2FAdventOfCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiolfo%2FAdventOfCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24e577d1e9dc2673c4f6ab66cf3e264bef4b129f
[INFO] checking miolfo/AdventOfCode2021 against try#3f7b27fe41ccd116a4c0829bd9a14b65bada4578 for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmiolfo%2FAdventOfCode2021" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miolfo/AdventOfCode2021 on toolchain 3f7b27fe41ccd116a4c0829bd9a14b65bada4578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miolfo/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/miolfo/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/miolfo/AdventOfCode2021 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/miolfo/AdventOfCode2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "fetch" "--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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2717ddb6f075f42ad530ee8567048f9d418a169d57502089a976125d2b53bcb9
[INFO] running `Command { std: "docker" "start" "-a" "2717ddb6f075f42ad530ee8567048f9d418a169d57502089a976125d2b53bcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2717ddb6f075f42ad530ee8567048f9d418a169d57502089a976125d2b53bcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2717ddb6f075f42ad530ee8567048f9d418a169d57502089a976125d2b53bcb9", kill_on_drop: false }`
[INFO] [stdout] 2717ddb6f075f42ad530ee8567048f9d418a169d57502089a976125d2b53bcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+3f7b27fe41ccd116a4c0829bd9a14b65bada4578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 059b81657be73ce02b38bcb53bbe32d3a47679aebd7b0a0a9b8afa9ad65cf4f0
[INFO] running `Command { std: "docker" "start" "-a" "059b81657be73ce02b38bcb53bbe32d3a47679aebd7b0a0a9b8afa9ad65cf4f0", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::util`
[INFO] [stdout]  --> src/day_4.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::util;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_measurement_increases`
[INFO] [stdout]  --> src/day_1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn count_measurement_increases(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_measurement_increases_sliding`
[INFO] [stdout]   --> src/day_1.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn count_measurement_increases_sliding(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_i32`
[INFO] [stdout]   --> src/day_1.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn to_i32(string: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_sub_position`
[INFO] [stdout]  --> src/day_2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn count_sub_position(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_sub_position_with_aim`
[INFO] [stdout]   --> src/day_2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn count_sub_position_with_aim(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_to_op`
[INFO] [stdout]   --> src/day_2.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn line_to_op(string: &str) -> Operation {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `string_to_op_type`
[INFO] [stdout]   --> src/day_2.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn string_to_op_type(string: &str) -> OperationType {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Operation`
[INFO] [stdout]   --> src/day_2.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Operation {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `FORWARD`
[INFO] [stdout]   --> src/day_2.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     FORWARD,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DOWN`
[INFO] [stdout]   --> src/day_2.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     DOWN,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UP`
[INFO] [stdout]   --> src/day_2.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     UP
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_power_consumption`
[INFO] [stdout]  --> src/day_3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn calculate_power_consumption(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_life_support_rating`
[INFO] [stdout]  --> src/day_3.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn calculate_life_support_rating(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_gamma_rate`
[INFO] [stdout]   --> src/day_3.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn calculate_gamma_rate(input: &Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_epsilon_rate`
[INFO] [stdout]   --> src/day_3.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn calculate_epsilon_rate(gamma_rate: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_most_common_at_pos`
[INFO] [stdout]   --> src/day_3.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn calculate_most_common_at_pos(input: &Vec<String>, pos: usize) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_least_common_at_pos`
[INFO] [stdout]   --> src/day_3.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn calculate_least_common_at_pos(input: &Vec<String>, pos: usize) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_chars_in_strs`
[INFO] [stdout]   --> src/day_3.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn count_chars_in_strs(input: &Vec<String>, compared: char, pos: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_rating`
[INFO] [stdout]   --> src/day_3.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn calculate_rating(input: &Vec<String>, use_least_common: bool) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_oxygen_generator_rating`
[INFO] [stdout]   --> src/day_3.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn calculate_oxygen_generator_rating(input: &Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_co2_scrubber_rating`
[INFO] [stdout]   --> src/day_3.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn calculate_co2_scrubber_rating(input: &Vec<String>) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_decimal`
[INFO] [stdout]   --> src/day_3.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn to_decimal(binary: &str) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_bingo_wins`
[INFO] [stdout]  --> src/day_4.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn count_bingo_wins(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_last_to_win`
[INFO] [stdout]   --> src/day_4.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn count_last_to_win(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unused`
[INFO] [stdout]   --> src/day_4.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn get_unused(numbers: &[usize], board: &[[usize; 5]; 5]) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bingo`
[INFO] [stdout]   --> src/day_4.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn check_bingo(numbers: &[usize], board: &[[usize; 5]; 5]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_rows`
[INFO] [stdout]   --> src/day_4.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn to_rows(board: &[[usize; 5]; 5]) -> Vec<[usize; 5]> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `board_from_input`
[INFO] [stdout]   --> src/day_4.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn board_from_input(input: &Vec<String>) -> BingoBoard {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vec_to_5_x_5`
[INFO] [stdout]    --> src/day_4.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn vec_to_5_x_5(input: Vec<usize>) -> [[usize; 5]; 5] {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `boards`
[INFO] [stdout]    --> src/day_4.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 |     boards: Vec<[[usize; 5]; 5]>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `BingoBoard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day_4.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[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: `numbers`
[INFO] [stdout]    --> src/day_4.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     numbers: Vec<usize>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `BingoBoard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day_4.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[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: associated function is never used: `new`
[INFO] [stdout]    --> src/day_4.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn new(boards: Vec<[[usize; 5]; 5]>, numbers: Vec<usize>) -> BingoBoard {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_measurement_increases`
[INFO] [stdout]  --> src/day_1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn count_measurement_increases(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] warning: function is never used: `count_measurement_increases_sliding`
[INFO] [stdout]   --> src/day_1.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn count_measurement_increases_sliding(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_i32`
[INFO] [stdout]   --> src/day_1.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn to_i32(string: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_sub_position`
[INFO] [stdout]  --> src/day_2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn count_sub_position(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_sub_position_with_aim`
[INFO] [stdout]   --> src/day_2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn count_sub_position_with_aim(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_power_consumption`
[INFO] [stdout]  --> src/day_3.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn calculate_power_consumption(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_life_support_rating`
[INFO] [stdout]  --> src/day_3.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn calculate_life_support_rating(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_bingo_wins`
[INFO] [stdout]  --> src/day_4.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn count_bingo_wins(input: Vec<String>) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_last_to_win`
[INFO] [stdout]   --> src/day_4.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn count_last_to_win(input: Vec<String>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unused`
[INFO] [stdout]   --> src/day_4.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn get_unused(numbers: &[usize], board: &[[usize; 5]; 5]) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bingo`
[INFO] [stdout]   --> src/day_4.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn check_bingo(numbers: &[usize], board: &[[usize; 5]; 5]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_rows`
[INFO] [stdout]   --> src/day_4.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn to_rows(board: &[[usize; 5]; 5]) -> Vec<[usize; 5]> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `numbers`
[INFO] [stdout]    --> src/day_4.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     numbers: Vec<usize>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `BingoBoard` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/day_4.rs:129:10
[INFO] [stdout]     |
[INFO] [stdout] 129 | #[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: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "059b81657be73ce02b38bcb53bbe32d3a47679aebd7b0a0a9b8afa9ad65cf4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059b81657be73ce02b38bcb53bbe32d3a47679aebd7b0a0a9b8afa9ad65cf4f0", kill_on_drop: false }`
[INFO] [stdout] 059b81657be73ce02b38bcb53bbe32d3a47679aebd7b0a0a9b8afa9ad65cf4f0