[INFO] cloning repository https://github.com/varghs/aoc-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/varghs/aoc-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarghs%2Faoc-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarghs%2Faoc-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7fa3b86c6ddf72d1395bbb7b492fb267fca169e
[INFO] checking varghs/aoc-2024 against master#96cfc75584359ae7ad11cc45968059f29e7b44b7 for pr-137728
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarghs%2Faoc-2024" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/varghs/aoc-2024 on toolchain 96cfc75584359ae7ad11cc45968059f29e7b44b7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/varghs/aoc-2024
[INFO] finished tweaking git repo https://github.com/varghs/aoc-2024
[INFO] tweaked toml for git repo https://github.com/varghs/aoc-2024 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/varghs/aoc-2024 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" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6e7596e370e045fee05248109570799060c74925abe607b31b1046eb8dcc5b9
[INFO] running `Command { std: "docker" "start" "-a" "a6e7596e370e045fee05248109570799060c74925abe607b31b1046eb8dcc5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e7596e370e045fee05248109570799060c74925abe607b31b1046eb8dcc5b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e7596e370e045fee05248109570799060c74925abe607b31b1046eb8dcc5b9", kill_on_drop: false }`
[INFO] [stdout] a6e7596e370e045fee05248109570799060c74925abe607b31b1046eb8dcc5b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+96cfc75584359ae7ad11cc45968059f29e7b44b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9782805360d34c5ef7531492e97854d729738e7766c6fad72094cdc9ae2fd1dc
[INFO] running `Command { std: "docker" "start" "-a" "9782805360d34c5ef7531492e97854d729738e7766c6fad72094cdc9ae2fd1dc", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking aoc-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/day03.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day04.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day04.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day05.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day05.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day06.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day06.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day07.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day07.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day08.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day08.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day09.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day09.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day10.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day10.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day11.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day11.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day12.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day12.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day13.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day13.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day14.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day14.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day15.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day15.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day16.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day16.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day17.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day17.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day18.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day18.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day19.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day19.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day20.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day20.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day21.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day21.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day22.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day22.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day23.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day23.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day24.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day24.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day25.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day25.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]  --> src/day02.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse_line(line: &str) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe` is never used
[INFO] [stdout]  --> src/day02.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn is_safe(v: &Vec<u32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_removed` is never used
[INFO] [stdout]   --> src/day02.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn one_removed(v: &Vec<u32>) -> Vec<Vec<u32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe_2` is never used
[INFO] [stdout]   --> src/day02.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn is_safe_2(v: &Vec<u32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_safety` is never used
[INFO] [stdout]   --> src/day02.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn check_safety(s: &str, f: fn(&Vec<u32>) -> bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day02.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day04.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day07.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day07.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day08.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day08.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day09.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day09.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day10.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day10.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day11.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day11.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day12.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day12.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day13.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day13.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day14.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day14.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day15.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day15.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day16.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day16.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day17.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day17.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day18.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day18.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day19.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day19.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day20.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day20.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day21.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day21.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day22.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day22.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day23.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day23.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day24.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day24.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day25.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day25.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/day03.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day04.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day04.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day05.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day05.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day06.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day06.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day07.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day07.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day08.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day08.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day09.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day09.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day10.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day10.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day11.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day11.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day12.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day12.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day13.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day13.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day14.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day14.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day15.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day15.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day16.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day16.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day17.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day17.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day18.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day18.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day19.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day19.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day20.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day20.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day21.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day21.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day22.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day22.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day23.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day23.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day24.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day24.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day25.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]  --> src/day25.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |              ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_line` is never used
[INFO] [stdout]  --> src/day02.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn parse_line(line: &str) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe` is never used
[INFO] [stdout]  --> src/day02.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn is_safe(v: &Vec<u32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_removed` is never used
[INFO] [stdout]   --> src/day02.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn one_removed(v: &Vec<u32>) -> Vec<Vec<u32>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_safe_2` is never used
[INFO] [stdout]   --> src/day02.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn is_safe_2(v: &Vec<u32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_safety` is never used
[INFO] [stdout]   --> src/day02.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn check_safety(s: &str, f: fn(&Vec<u32>) -> bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]   --> src/day02.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day04.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day07.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day07.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day08.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day08.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day09.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day09.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day10.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day10.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day11.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day11.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day12.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day12.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day13.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day13.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day14.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day14.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day15.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day15.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day16.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day16.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day17.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day17.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day18.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day18.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day19.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day19.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day20.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day20.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day21.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day21.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day22.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day22.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day23.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day23.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day24.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day24.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day25.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day25.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn part2(s: &str) -> impl Display {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "9782805360d34c5ef7531492e97854d729738e7766c6fad72094cdc9ae2fd1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9782805360d34c5ef7531492e97854d729738e7766c6fad72094cdc9ae2fd1dc", kill_on_drop: false }`
[INFO] [stdout] 9782805360d34c5ef7531492e97854d729738e7766c6fad72094cdc9ae2fd1dc