[INFO] cloning repository https://github.com/PhroZenOne/adventofcode2023rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhroZenOne/adventofcode2023rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhroZenOne%2Fadventofcode2023rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhroZenOne%2Fadventofcode2023rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64825b7e1c8f7d9982cfc390b79824beb2bd1250
[INFO] checking PhroZenOne/adventofcode2023rust against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhroZenOne%2Fadventofcode2023rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PhroZenOne/adventofcode2023rust
[INFO] finished tweaking git repo https://github.com/PhroZenOne/adventofcode2023rust
[INFO] tweaked toml for git repo https://github.com/PhroZenOne/adventofcode2023rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PhroZenOne/adventofcode2023rust on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PhroZenOne/adventofcode2023rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "0498fdba62d2e954dd55b6a9b9c0d9a66ad07b7b5a379fd294c14f498d32979f", kill_on_drop: false }`
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[INFO] [stdout] 0498fdba62d2e954dd55b6a9b9c0d9a66ad07b7b5a379fd294c14f498d32979f
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[INFO] [stdout] 39a6bab14758fb464636337235365492dca4e20547397fa0d22b5244f4112b05
[INFO] running `Command { std: "docker" "start" "-a" "39a6bab14758fb464636337235365492dca4e20547397fa0d22b5244f4112b05", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.17
[INFO] [stderr]    Compiling rayon-core v1.12.0
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[INFO] [stderr]     Checking advent_of_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::day2::Limit`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::day2::Limit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/day5.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::day2::Limit`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::day2::Limit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/day5.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{Ref, RefCell};
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file` is never used
[INFO] [stdout]  --> src/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse_file(path: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day1.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_numbers` is never used
[INFO] [stdout]   --> src/day1.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn concat_numbers((first, last): (Option<u32>, Option<u32>)) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_numbers` is never used
[INFO] [stdout]   --> src/day1.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn parse_numbers(s: &str) -> (Option<u32>, Option<u32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_number` is never used
[INFO] [stdout]   --> src/day1.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn parse_number(s: &str) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const ZERO_STR: &'static str = "zero";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ONE_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const ONE_STR: &'static str = "one";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TWO_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const TWO_STR: &'static str = "two";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THREE_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const THREE_STR: &'static str = "three";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FOUR_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const FOUR_STR: &'static str = "four";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIVE_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | const FIVE_STR: &'static str = "five";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIX_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:24:7
[INFO] [stdout]    |
[INFO] [stdout] 24 | const SIX_STR: &'static str = "six";
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEVEN_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const SEVEN_STR: &'static str = "seven";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EIGHT_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const EIGHT_STR: &'static str = "eight";
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NINE_STR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const NINE_STR: &'static str = "nine";
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const ZERO_STR_REV: &'static str = "orez";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ONE_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const ONE_STR_REV: &'static str = "eno";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TWO_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const TWO_STR_REV: &'static str = "owt";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THREE_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const THREE_STR_REV: &'static str = "eerht";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FOUR_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const FOUR_STR_REV: &'static str = "ruof";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIVE_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const FIVE_STR_REV: &'static str = "evif";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIX_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const SIX_STR_REV: &'static str = "xis";
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEVEN_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const SEVEN_STR_REV: &'static str = "neves";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EIGHT_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const EIGHT_STR_REV: &'static str = "thgie";
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NINE_STR_REV` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 39 | const NINE_STR_REV: &'static str = "enin";
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ZERO` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | const ZERO: &'static str = "0";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ONE` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:43:7
[INFO] [stdout]    |
[INFO] [stdout] 43 | const ONE: &'static str = "1";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TWO` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:44:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | const TWO: &'static str = "2";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `THREE` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | const THREE: &'static str = "3";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FOUR` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 | const FOUR: &'static str = "4";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FIVE` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | const FIVE: &'static str = "5";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SIX` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const SIX: &'static str = "6";
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SEVEN` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const SEVEN: &'static str = "7";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EIGHT` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | const EIGHT: &'static str = "8";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NINE` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const NINE: &'static str = "9";
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUMBERS_TO_INDEX` is never used
[INFO] [stdout]   --> src/day_1_statics.rs:53:18
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub(crate) const NUMBERS_TO_INDEX: [&'static str; 30] = [
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Limit` is never constructed
[INFO] [stdout]  --> src/day2.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Limit {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_part_1` is never used
[INFO] [stdout]   --> src/day2.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn parse_file_part_1(path: &str, limit: &Limit) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_part_2` is never used
[INFO] [stdout]   --> src/day2.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn parse_file_part_2(path: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day2.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_and_validate_day_1` is never used
[INFO] [stdout]   --> src/day2.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn parse_and_validate_day_1(row: &str, limit: &Limit) -> (bool, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_day_2` is never used
[INFO] [stdout]    --> src/day2.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn parse_day_2(row: &str) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_complete_number` is never used
[INFO] [stdout]    --> src/day2.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn read_complete_number(chars: &[u8], i: usize) -> (usize, u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_part_1` is never used
[INFO] [stdout]  --> src/day3.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn parse_file_part_1(path: &str, part_two: bool) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_targets` is never used
[INFO] [stdout]   --> src/day3.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn get_targets(width: usize, i: usize, total_length: usize, checked: &Vec<bool>) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target` is never used
[INFO] [stdout]   --> src/day3.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn check_target(bytes: &[u8], i: usize) -> (Vec<usize>, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day3.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/day4.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file` is never used
[INFO] [stdout]   --> src/day4.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn parse_file(path: &str, _part_two: bool) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `map_to_card` is never used
[INFO] [stdout]   --> src/day4.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn map_to_card(line: &str) -> Card {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day4.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file` is never used
[INFO] [stdout]  --> src/day1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn parse_file(path: &str) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day1.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat_numbers` is never used
[INFO] [stdout]   --> src/day1.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn concat_numbers((first, last): (Option<u32>, Option<u32>)) -> Option<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_part_1` is never used
[INFO] [stdout]   --> src/day2.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn parse_file_part_1(path: &str, limit: &Limit) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_file_part_2` is never used
[INFO] [stdout]   --> src/day2.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn parse_file_part_2(path: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_lines_from_file` is never used
[INFO] [stdout]   --> src/day2.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn read_lines_from_file(path: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "39a6bab14758fb464636337235365492dca4e20547397fa0d22b5244f4112b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a6bab14758fb464636337235365492dca4e20547397fa0d22b5244f4112b05", kill_on_drop: false }`
[INFO] [stdout] 39a6bab14758fb464636337235365492dca4e20547397fa0d22b5244f4112b05