[INFO] cloning repository https://github.com/daniel-j-anderson-dev/advent_of_code2025
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-j-anderson-dev/advent_of_code2025" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fadvent_of_code2025", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fadvent_of_code2025'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c591b235cb23ee55e3df559ed4af7e4a973d9b79
[INFO] testing daniel-j-anderson-dev/advent_of_code2025 against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-j-anderson-dev%2Fadvent_of_code2025" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daniel-j-anderson-dev/advent_of_code2025
[INFO] finished tweaking git repo https://github.com/daniel-j-anderson-dev/advent_of_code2025
[INFO] tweaked toml for git repo https://github.com/daniel-j-anderson-dev/advent_of_code2025 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-j-anderson-dev/advent_of_code2025 on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daniel-j-anderson-dev/advent_of_code2025 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa
[INFO] running `Command { std: "docker" "start" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day1.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | const fn expected(part: Part) -> i32 {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]  --> src/day1.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INPUT: &str = include_str!("../input/day1.txt");
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAL_START` is never used
[INFO] [stdout]   --> src/day1.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DIAL_START: i32 = 50;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAL_SIZE` is never used
[INFO] [stdout]   --> src/day1.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const DIAL_SIZE: i32 = 100;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floor_division` is never used
[INFO] [stdout]   --> src/day1.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn floor_division(numerator: i32, denominator: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_crosses` is never used
[INFO] [stdout]   --> src/day1.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn zero_crosses(dial_position: i32, offset: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day1.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solution(part: Part, input: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day2.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | const fn expected(part: Part) -> usize {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day2.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INPUT: &str = include_str!("../input/day2.txt");
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_input(input: &str) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeats_once` is never used
[INFO] [stdout]   --> src/day2.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn repeats_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeats_at_least_once` is never used
[INFO] [stdout]   --> src/day2.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn repeats_at_least_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day2.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]  --> src/day3.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const INPUT: &str = include_str!("../input/day3.txt");
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day3.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | const fn expected(part: Part) -> usize {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Battery` is never constructed
[INFO] [stdout]   --> src/day3.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Battery {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MIN` is never used
[INFO] [stdout]   --> src/day3.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Battery {
[INFO] [stdout]    | ------------ associated constant in this implementation
[INFO] [stdout] 17 |     pub const MIN: Self = Self {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day3.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn parse_input<'a>(input: &'a str) -> impl Iterator<Item = impl Iterator<Item = Battery> + Clone> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_two_digit_number` is never used
[INFO] [stdout]   --> src/day3.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | const fn construct_two_digit_number([tens_place, ones_place]: [Battery; 2]) -> usize {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_largest` is never used
[INFO] [stdout]   --> src/day3.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn two_largest<T: PartialOrd + Min>(iterator: impl Iterator<Item = T>) -> [T; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pairs` is never used
[INFO] [stdout]   --> src/day3.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn pairs<T: Copy>(i: impl Iterator<Item = T> + Clone) -> impl Iterator<Item = [T; 2]> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_sorted_by_index` is never used
[INFO] [stdout]   --> src/day3.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn is_sorted_by_index(&[a, b]: &[Battery; 2]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day3.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day1.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | const fn expected(part: Part) -> i32 {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]  --> src/day1.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const INPUT: &str = include_str!("../input/day1.txt");
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAL_START` is never used
[INFO] [stdout]   --> src/day1.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DIAL_START: i32 = 50;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIAL_SIZE` is never used
[INFO] [stdout]   --> src/day1.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | const DIAL_SIZE: i32 = 100;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `floor_division` is never used
[INFO] [stdout]   --> src/day1.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn floor_division(numerator: i32, denominator: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `zero_crosses` is never used
[INFO] [stdout]   --> src/day1.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn zero_crosses(dial_position: i32, offset: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day1.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solution(part: Part, input: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day2.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | const fn expected(part: Part) -> usize {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]   --> src/day2.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const INPUT: &str = include_str!("../input/day2.txt");
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day2.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_input(input: &str) -> impl Iterator<Item = usize> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeats_once` is never used
[INFO] [stdout]   --> src/day2.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn repeats_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repeats_at_least_once` is never used
[INFO] [stdout]   --> src/day2.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn repeats_at_least_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day2.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INPUT` is never used
[INFO] [stdout]  --> src/day3.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const INPUT: &str = include_str!("../input/day3.txt");
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expected` is never used
[INFO] [stdout]  --> src/day3.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | const fn expected(part: Part) -> usize {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Battery` is never constructed
[INFO] [stdout]   --> src/day3.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Battery {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `MIN` is never used
[INFO] [stdout]   --> src/day3.rs:17:15
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Battery {
[INFO] [stdout]    | ------------ associated constant in this implementation
[INFO] [stdout] 17 |     pub const MIN: Self = Self {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day3.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn parse_input<'a>(input: &'a str) -> impl Iterator<Item = impl Iterator<Item = Battery> + Clone> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `construct_two_digit_number` is never used
[INFO] [stdout]   --> src/day3.rs:49:10
[INFO] [stdout]    |
[INFO] [stdout] 49 | const fn construct_two_digit_number([tens_place, ones_place]: [Battery; 2]) -> usize {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_largest` is never used
[INFO] [stdout]   --> src/day3.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn two_largest<T: PartialOrd + Min>(iterator: impl Iterator<Item = T>) -> [T; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pairs` is never used
[INFO] [stdout]   --> src/day3.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn pairs<T: Copy>(i: impl Iterator<Item = T> + Clone) -> impl Iterator<Item = [T; 2]> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_sorted_by_index` is never used
[INFO] [stdout]   --> src/day3.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn is_sorted_by_index(&[a, b]: &[Battery; 2]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/day3.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_largest` is never used
[INFO] [stdout]   --> src/day3.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn two_largest<T: PartialOrd + Min>(iterator: impl Iterator<Item = T>) -> [T; 2] {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: function `expected` is never used
[INFO] [stderr]  --> src/day1.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | const fn expected(part: Part) -> i32 {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INPUT` is never used
[INFO] [stderr]  --> src/day1.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const INPUT: &str = include_str!("../input/day1.txt");
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DIAL_START` is never used
[INFO] [stderr]   --> src/day1.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const DIAL_START: i32 = 50;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `DIAL_SIZE` is never used
[INFO] [stderr]   --> src/day1.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const DIAL_SIZE: i32 = 100;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `floor_division` is never used
[INFO] [stderr]   --> src/day1.rs:13:4
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn floor_division(numerator: i32, denominator: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `zero_crosses` is never used
[INFO] [stderr]   --> src/day1.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn zero_crosses(dial_position: i32, offset: i32) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]   --> src/day1.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn solution(part: Part, input: &str) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `expected` is never used
[INFO] [stderr]  --> src/day2.rs:3:10
[INFO] [stderr]   |
[INFO] [stderr] 3 | const fn expected(part: Part) -> usize {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INPUT` is never used
[INFO] [stderr]   --> src/day2.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const INPUT: &str = include_str!("../input/day2.txt");
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_input` is never used
[INFO] [stderr]   --> src/day2.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn parse_input(input: &str) -> impl Iterator<Item = usize> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `repeats_once` is never used
[INFO] [stderr]   --> src/day2.rs:24:4
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn repeats_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `repeats_at_least_once` is never used
[INFO] [stderr]   --> src/day2.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn repeats_at_least_once<T: Eq>(id: impl AsRef<[T]>) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]   --> src/day2.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INPUT` is never used
[INFO] [stderr]  --> src/day3.rs:3:7
[INFO] [stderr]   |
[INFO] [stderr] 3 | const INPUT: &str = include_str!("../input/day3.txt");
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `expected` is never used
[INFO] [stderr]  --> src/day3.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | const fn expected(part: Part) -> usize {
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Battery` is never constructed
[INFO] [stderr]   --> src/day3.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 | struct Battery {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `MIN` is never used
[INFO] [stderr]   --> src/day3.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl Battery {
[INFO] [stderr]    | ------------ associated constant in this implementation
[INFO] [stderr] 17 |     pub const MIN: Self = Self {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `parse_input` is never used
[INFO] [stderr]   --> src/day3.rs:38:4
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn parse_input<'a>(input: &'a str) -> impl Iterator<Item = impl Iterator<Item = Battery> + Clone> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `construct_two_digit_number` is never used
[INFO] [stderr]   --> src/day3.rs:49:10
[INFO] [stderr]    |
[INFO] [stderr] 49 | const fn construct_two_digit_number([tens_place, ones_place]: [Battery; 2]) -> usize {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_largest` is never used
[INFO] [stderr]   --> src/day3.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn two_largest<T: PartialOrd + Min>(iterator: impl Iterator<Item = T>) -> [T; 2] {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `pairs` is never used
[INFO] [stderr]   --> src/day3.rs:67:4
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn pairs<T: Copy>(i: impl Iterator<Item = T> + Clone) -> impl Iterator<Item = [T; 2]> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_sorted_by_index` is never used
[INFO] [stderr]   --> src/day3.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn is_sorted_by_index(&[a, b]: &[Battery; 2]) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `solution` is never used
[INFO] [stderr]   --> src/day3.rs:75:4
[INFO] [stderr]    |
[INFO] [stderr] 75 | fn solution(part: Part, input: &str) -> usize {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code2025` (lib) generated 23 warnings
[INFO] [stderr] warning: function `two_largest` is never used
[INFO] [stderr]   --> src/day3.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn two_largest<T: PartialOrd + Min>(iterator: impl Iterator<Item = T>) -> [T; 2] {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code2025` (lib test) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/advent_of_code2025-65f4f488e1896640)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test day1::part1 ... ok
[INFO] [stdout] test day1::part2 ... ok
[INFO] [stdout] test day3::part1 ... ok
[INFO] [stdout] test day2::part1 ... ok
[INFO] [stdout] test day2::part2 ... ok
[INFO] [stderr]    Doc-tests advent_of_code2025
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] [stdout] 
[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" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa", kill_on_drop: false }`
[INFO] [stdout] a16738523de28d62287ca0398a5526d079a63b8a59c22f7400d4f1881c6ae2aa
