[INFO] cloning repository https://github.com/nabinkhanal00/advent-of-code-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nabinkhanal00/advent-of-code-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabinkhanal00%2Fadvent-of-code-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabinkhanal00%2Fadvent-of-code-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4761f251d385f5820dff07113da3e4aa024db863
[INFO] checking nabinkhanal00/advent-of-code-2024 against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnabinkhanal00%2Fadvent-of-code-2024" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nabinkhanal00/advent-of-code-2024 on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nabinkhanal00/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/nabinkhanal00/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/nabinkhanal00/advent-of-code-2024 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nabinkhanal00/advent-of-code-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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc244952b20bff28f25902c60611f797bc46d2cdfa0b348cd00383d64b0d0fc
[INFO] running `Command { std: "docker" "start" "-a" "2fc244952b20bff28f25902c60611f797bc46d2cdfa0b348cd00383d64b0d0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc244952b20bff28f25902c60611f797bc46d2cdfa0b348cd00383d64b0d0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc244952b20bff28f25902c60611f797bc46d2cdfa0b348cd00383d64b0d0fc", kill_on_drop: false }`
[INFO] [stdout] 2fc244952b20bff28f25902c60611f797bc46d2cdfa0b348cd00383d64b0d0fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a07a68d5a0357b992a30ac847ec6e3750305765ff27e66a4901766cdbca30c3
[INFO] running `Command { std: "docker" "start" "-a" "7a07a68d5a0357b992a30ac847ec6e3750305765ff27e66a4901766cdbca30c3", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking itertools v0.13.0
[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 import: `solution::part1`
[INFO] [stdout]  --> src/day01/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day01/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day02/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day02/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day03/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day03/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day04/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day04/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day05/solution.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day05/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day05/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day06/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day06/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day07/solution.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day07/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day07/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day08/solution.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day08/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day08/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/day09/solution.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `collections::HashSet`, and `io::BufRead`
[INFO] [stdout]   --> src/day09/solution.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::{collections::HashMap, collections::HashSet, error::Error, io::BufRead};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `collections::HashSet`, and `io::BufRead`
[INFO] [stdout]   --> src/day09/solution.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     use std::{collections::HashMap, collections::HashSet, error::Error, io::BufRead};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day09/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day09/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/day10/solution.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day10/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day10/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day11/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day11/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day12/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day12/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day13/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day13/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day14/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day14/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day15/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day15/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]   --> src/day16/solution.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |         collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day16/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day16/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day17/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day17/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day18/solution.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/day18/solution.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, Read};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day18/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day01/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day01/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day02/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day02/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day03/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day03/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day04/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day04/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day05/solution.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day05/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day05/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day06/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day06/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day07/solution.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day07/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day07/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufRead`
[INFO] [stdout]  --> src/day08/solution.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day08/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day08/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/day09/solution.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `collections::HashSet`, and `io::BufRead`
[INFO] [stdout]   --> src/day09/solution.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     use std::{collections::HashMap, collections::HashSet, error::Error, io::BufRead};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap`, `collections::HashSet`, and `io::BufRead`
[INFO] [stdout]   --> src/day09/solution.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 |     use std::{collections::HashMap, collections::HashSet, error::Error, io::BufRead};
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day09/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day09/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/day10/solution.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::{self, BufRead, BufReader},
[INFO] [stdout]   |                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day10/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day10/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day11/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day11/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day12/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day12/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day13/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day13/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day14/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day14/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day15/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day15/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]   --> src/day16/solution.rs:34:41
[INFO] [stdout]    |
[INFO] [stdout] 34 |         collections::{HashMap, HashSet, VecDeque},
[INFO] [stdout]    |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day16/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day16/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part1`
[INFO] [stdout]  --> src/day17/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use solution::part1;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day17/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> src/day18/solution.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/day18/solution.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, Read};
[INFO] [stdout]   |                        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solution::part2`
[INFO] [stdout]  --> src/day18/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use solution::part2;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day04/solution.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day04/solution.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day12/solution.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]    --> src/day12/solution.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let mut count = 0;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day01/solution.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read() -> Result<(Vec<u64>, Vec<u64>), std::io::Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day01/solution.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn solve() -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day01/solution.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn solve() -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day02/solution.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn read() -> Result<Vec<Vec<i64>>, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_increasing` is never used
[INFO] [stdout]   --> src/day02/solution.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn check_increasing(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_decreasing` is never used
[INFO] [stdout]   --> src/day02/solution.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn check_decreasing(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_report_safe` is never used
[INFO] [stdout]   --> src/day02/solution.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn is_report_safe(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/solution.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_report_safe` is never used
[INFO] [stdout]   --> src/day02/solution.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn is_report_safe(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day02/solution.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day03/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day03/solution.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day03/solution.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn solve() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day04/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_down` is never used
[INFO] [stdout]   --> src/day04/solution.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn check_down(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_up` is never used
[INFO] [stdout]   --> src/day04/solution.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn check_up(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_right` is never used
[INFO] [stdout]   --> src/day04/solution.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn check_right(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_left` is never used
[INFO] [stdout]   --> src/day04/solution.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn check_left(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ur` is never used
[INFO] [stdout]   --> src/day04/solution.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn check_ur(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ul` is never used
[INFO] [stdout]   --> src/day04/solution.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn check_ul(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dr` is never used
[INFO] [stdout]   --> src/day04/solution.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn check_dr(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dl` is never used
[INFO] [stdout]   --> src/day04/solution.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn check_dl(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_xmas` is never used
[INFO] [stdout]   --> src/day04/solution.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn is_xmas(content: &Vec<String>, x: i64, y: i64) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day04/solution.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_mas` is never used
[INFO] [stdout]    --> src/day04/solution.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn is_mas(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day04/solution.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day05/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comparator` is never constructed
[INFO] [stdout]   --> src/day05/solution.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Comparator {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_sorted` and `sort` are never used
[INFO] [stdout]   --> src/day05/solution.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Comparator {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 16 |     fn is_sorted(&self, page_numbers: &Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn sort(&self, page_numbers: &mut Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day05/solution.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day05/solution.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day06/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<(Vec<String>, (i64, i64)), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day06/solution.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_loop` is never used
[INFO] [stdout]   --> src/day06/solution.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn is_loop(content: &Vec<String>, o: (i64, i64), pos: (i64, i64)) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day06/solution.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day07/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day07/solution.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day07/solution.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day08/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day01/solution.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read() -> Result<(Vec<u64>, Vec<u64>), std::io::Error> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/day08/solution.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn distance(a: (i64, i64), b: (i64, i64)) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfies` is never used
[INFO] [stdout]   --> src/day08/solution.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn satisfies(a: (i64, i64), b: (i64, i64), c: (i64, i64)) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day01/solution.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn solve() -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day08/solution.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day01/solution.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn solve() -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day02/solution.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn read() -> Result<Vec<Vec<i64>>, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_increasing` is never used
[INFO] [stdout]   --> src/day02/solution.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn check_increasing(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/day08/solution.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn distance(a: (i64, i64), b: (i64, i64)) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_decreasing` is never used
[INFO] [stdout]   --> src/day02/solution.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn check_decreasing(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfies` is never used
[INFO] [stdout]   --> src/day08/solution.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn satisfies(a: (i64, i64), b: (i64, i64), c: (i64, i64)) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_report_safe` is never used
[INFO] [stdout]   --> src/day02/solution.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn is_report_safe(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day08/solution.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day09/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day09/solution.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day09/solution.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day10/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<Vec<i64>>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/solution.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_heads` is never used
[INFO] [stdout]   --> src/day10/solution.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn trail_heads(trail: &Vec<Vec<i64>>) -> Vec<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day10/solution.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_report_safe` is never used
[INFO] [stdout]   --> src/day02/solution.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn is_report_safe(report: Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_heads` is never used
[INFO] [stdout]    --> src/day10/solution.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn trail_heads(trail: &Vec<Vec<i64>>) -> Vec<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day02/solution.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day10/solution.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day03/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<u8>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day11/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<i64>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day03/solution.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11/solution.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find` is never used
[INFO] [stdout]   --> src/day11/solution.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn find(num: i64, c: i64, m: &mut HashMap<(i64, i64), i64>) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day03/solution.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn solve() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11/solution.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day04/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<String>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day12/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<Vec<char>>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_down` is never used
[INFO] [stdout]   --> src/day04/solution.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn check_down(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_surroundings` is never used
[INFO] [stdout]   --> src/day12/solution.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_surroundings((y, x): (i64, i64)) -> Vec<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_up` is never used
[INFO] [stdout]   --> src/day04/solution.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn check_up(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day12/solution.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_right` is never used
[INFO] [stdout]   --> src/day04/solution.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn check_right(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_surroundings` is never used
[INFO] [stdout]   --> src/day12/solution.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_surroundings() -> Vec<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_left` is never used
[INFO] [stdout]   --> src/day04/solution.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn check_left(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day12/solution.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ur` is never used
[INFO] [stdout]   --> src/day04/solution.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn check_ur(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day13/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read() -> Result<Vec<((i64, i64, i64), (i64, i64, i64))>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day13/solution.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ul` is never used
[INFO] [stdout]   --> src/day04/solution.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn check_ul(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day13/solution.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day14/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<Vec<(i64, i64, i64, i64)>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/solution.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dr` is never used
[INFO] [stdout]   --> src/day04/solution.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn check_dr(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/solution.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dl` is never used
[INFO] [stdout]   --> src/day04/solution.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn check_dl(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day15/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<(Vec<Vec<char>>, (usize, usize), String), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day15/solution.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn print_grid(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_xmas` is never used
[INFO] [stdout]   --> src/day04/solution.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn is_xmas(content: &Vec<String>, x: i64, y: i64) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_sum` is never used
[INFO] [stdout]   --> src/day15/solution.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn find_sum(grid: &Vec<Vec<char>>) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day15/solution.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Element` is never used
[INFO] [stdout]    --> src/day15/solution.rs:131:10
[INFO] [stdout]     |
[INFO] [stdout] 131 |     enum Element {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day04/solution.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjust` is never used
[INFO] [stdout]    --> src/day15/solution.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn adjust(grid: Vec<Vec<char>>) -> (Vec<Vec<Element>>, (usize, usize)) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_mas` is never used
[INFO] [stdout]    --> src/day04/solution.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn is_mas(content: &Vec<String>, x: usize, y: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_up` is never used
[INFO] [stdout]    --> src/day15/solution.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn move_up(pos: (usize, usize), grid: &mut Vec<Vec<Element>>) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day04/solution.rs:127:12
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_move_up` is never used
[INFO] [stdout]    --> src/day15/solution.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn can_move_up(pos: (usize, usize), grid: &Vec<Vec<Element>>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day05/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_down` is never used
[INFO] [stdout]    --> src/day15/solution.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn move_down(pos: (usize, usize), grid: &mut Vec<Vec<Element>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Comparator` is never constructed
[INFO] [stdout]   --> src/day05/solution.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Comparator {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_move_down` is never used
[INFO] [stdout]    --> src/day15/solution.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn can_move_down(pos: (usize, usize), grid: &Vec<Vec<Element>>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day15/solution.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day16/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<(HashSet<(i64, i64)>, (i64, i64), (i64, i64)), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_sorted` and `sort` are never used
[INFO] [stdout]   --> src/day05/solution.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Comparator {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 16 |     fn is_sorted(&self, page_numbers: &Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn sort(&self, page_numbers: &mut Vec<i64>) -> bool {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFS` is never used
[INFO] [stdout]   --> src/day16/solution.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     const DIFFS: [(i64, i64); 4] = [(0, -1), (0, 1), (1, 0), (-1, 0)];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day05/solution.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path` is never used
[INFO] [stdout]   --> src/day16/solution.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn path() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day05/solution.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day16/solution.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day06/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<(Vec<String>, (i64, i64)), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFS` is never used
[INFO] [stdout]   --> src/day16/solution.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |     const DIFFS: [(i64, i64); 4] = [(0, -1), (0, 1), (1, 0), (-1, 0)];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day06/solution.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/day16/solution.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     struct Element {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_loop` is never used
[INFO] [stdout]   --> src/day06/solution.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn is_loop(content: &Vec<String>, o: (i64, i64), pos: (i64, i64)) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day16/solution.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Combo` is never used
[INFO] [stdout]  --> src/day17/solution.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     type Combo = i64;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day06/solution.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Literal` is never used
[INFO] [stdout]   --> src/day17/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type Literal = i64;
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day07/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day07/solution.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instruction` is never used
[INFO] [stdout]   --> src/day17/solution.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     enum Instruction {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day07/solution.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day08/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<BufReader<File>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/day08/solution.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn distance(a: (i64, i64), b: (i64, i64)) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `run` and `get_combo_value` are never used
[INFO] [stdout]   --> src/day17/solution.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     impl Instruction {
[INFO] [stdout]    |     ---------------- associated items in this implementation
[INFO] [stdout] 23 |         fn run(&self, state: &mut State) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         fn get_combo_value(state: &State, op: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/day17/solution.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfies` is never used
[INFO] [stdout]   --> src/day08/solution.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn satisfies(a: (i64, i64), b: (i64, i64), c: (i64, i64)) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/day17/solution.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day08/solution.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `distance` is never used
[INFO] [stdout]   --> src/day08/solution.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn distance(a: (i64, i64), b: (i64, i64)) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `satisfies` is never used
[INFO] [stdout]   --> src/day08/solution.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn satisfies(a: (i64, i64), b: (i64, i64), c: (i64, i64)) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `tokenize`, `compile`, and `run` are never used
[INFO] [stdout]    --> src/day17/solution.rs:87:12
[INFO] [stdout]     |
[INFO] [stdout] 86  |     impl Program {
[INFO] [stdout]     |     ------------ associated items in this implementation
[INFO] [stdout] 87  |         fn parse(filename: &str) -> Result<(State, Vec<i64>), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         fn tokenize(opcode: i64, operand: i64) -> Instruction {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |         fn compile(filename: &str) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         fn run(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day08/solution.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/solution.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day09/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<String, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]    --> src/day17/solution.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     struct Program {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day09/solution.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day09/solution.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day10/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<Vec<i64>>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `parse`, `compile`, `output`, and `search` are never used
[INFO] [stdout]    --> src/day17/solution.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 195 |     impl Program {
[INFO] [stdout]     |     ------------ associated functions in this implementation
[INFO] [stdout] 196 |         fn parse(filename: &str) -> Result<Vec<i64>, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |         fn compile(filename: &str) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         fn output(a: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 231 |         fn search(program: &String, start: usize, idx: usize) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_heads` is never used
[INFO] [stdout]   --> src/day10/solution.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn trail_heads(trail: &Vec<Vec<i64>>) -> Vec<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day10/solution.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/solution.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trail_heads` is never used
[INFO] [stdout]    --> src/day10/solution.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn trail_heads(trail: &Vec<Vec<i64>>) -> Vec<(usize, usize)> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day18/solution.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day10/solution.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 117 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day11/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<i64>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11/solution.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find` is never used
[INFO] [stdout]   --> src/day11/solution.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn find(num: i64, c: i64, m: &mut HashMap<(i64, i64), i64>) -> i64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day11/solution.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day12/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<Vec<Vec<char>>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_surroundings` is never used
[INFO] [stdout]   --> src/day12/solution.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn get_surroundings((y, x): (i64, i64)) -> Vec<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day12/solution.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_surroundings` is never used
[INFO] [stdout]   --> src/day12/solution.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn get_surroundings() -> Vec<(i64, i64)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day12/solution.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day13/solution.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn read() -> Result<Vec<((i64, i64, i64), (i64, i64, i64))>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day13/solution.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day13/solution.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day14/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<Vec<(i64, i64, i64, i64)>, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/solution.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day14/solution.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day15/solution.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read() -> Result<(Vec<Vec<char>>, (usize, usize), String), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_grid` is never used
[INFO] [stdout]   --> src/day15/solution.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn print_grid(grid: &Vec<Vec<char>>) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_sum` is never used
[INFO] [stdout]   --> src/day15/solution.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn find_sum(grid: &Vec<Vec<char>>) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day15/solution.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Element` is never used
[INFO] [stdout]    --> src/day15/solution.rs:131:10
[INFO] [stdout]     |
[INFO] [stdout] 131 |     enum Element {
[INFO] [stdout]     |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `adjust` is never used
[INFO] [stdout]    --> src/day15/solution.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn adjust(grid: Vec<Vec<char>>) -> (Vec<Vec<Element>>, (usize, usize)) {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_up` is never used
[INFO] [stdout]    --> src/day15/solution.rs:170:8
[INFO] [stdout]     |
[INFO] [stdout] 170 |     fn move_up(pos: (usize, usize), grid: &mut Vec<Vec<Element>>) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_move_up` is never used
[INFO] [stdout]    --> src/day15/solution.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn can_move_up(pos: (usize, usize), grid: &Vec<Vec<Element>>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_down` is never used
[INFO] [stdout]    --> src/day15/solution.rs:209:8
[INFO] [stdout]     |
[INFO] [stdout] 209 |     fn move_down(pos: (usize, usize), grid: &mut Vec<Vec<Element>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_move_down` is never used
[INFO] [stdout]    --> src/day15/solution.rs:237:8
[INFO] [stdout]     |
[INFO] [stdout] 237 |     fn can_move_down(pos: (usize, usize), grid: &Vec<Vec<Element>>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day15/solution.rs:251:12
[INFO] [stdout]     |
[INFO] [stdout] 251 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read` is never used
[INFO] [stdout]  --> src/day16/solution.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn read() -> Result<(HashSet<(i64, i64)>, (i64, i64), (i64, i64)), Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFS` is never used
[INFO] [stdout]   --> src/day16/solution.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 |     const DIFFS: [(i64, i64); 4] = [(0, -1), (0, 1), (1, 0), (-1, 0)];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `path` is never used
[INFO] [stdout]   --> src/day16/solution.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn path() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day16/solution.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIFFS` is never used
[INFO] [stdout]   --> src/day16/solution.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 |     const DIFFS: [(i64, i64); 4] = [(0, -1), (0, 1), (1, 0), (-1, 0)];
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Element` is never constructed
[INFO] [stdout]   --> src/day16/solution.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     struct Element {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day16/solution.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Combo` is never used
[INFO] [stdout]  --> src/day17/solution.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     type Combo = i64;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Literal` is never used
[INFO] [stdout]   --> src/day17/solution.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |     type Literal = i64;
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Instruction` is never used
[INFO] [stdout]   --> src/day17/solution.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 |     enum Instruction {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `run` and `get_combo_value` are never used
[INFO] [stdout]   --> src/day17/solution.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     impl Instruction {
[INFO] [stdout]    |     ---------------- associated items in this implementation
[INFO] [stdout] 23 |         fn run(&self, state: &mut State) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |         fn get_combo_value(state: &State, op: i64) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/day17/solution.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]   --> src/day17/solution.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     struct Program {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `parse`, `tokenize`, `compile`, and `run` are never used
[INFO] [stdout]    --> src/day17/solution.rs:87:12
[INFO] [stdout]     |
[INFO] [stdout] 86  |     impl Program {
[INFO] [stdout]     |     ------------ associated items in this implementation
[INFO] [stdout] 87  |         fn parse(filename: &str) -> Result<(State, Vec<i64>), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |         fn tokenize(opcode: i64, operand: i64) -> Instruction {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |         fn compile(filename: &str) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 162 |         fn run(&mut self) {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/solution.rs:172:12
[INFO] [stdout]     |
[INFO] [stdout] 172 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Program` is never constructed
[INFO] [stdout]    --> src/day17/solution.rs:192:12
[INFO] [stdout]     |
[INFO] [stdout] 192 |     struct Program {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `parse`, `compile`, `output`, and `search` are never used
[INFO] [stdout]    --> src/day17/solution.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 195 |     impl Program {
[INFO] [stdout]     |     ------------ associated functions in this implementation
[INFO] [stdout] 196 |         fn parse(filename: &str) -> Result<Vec<i64>, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 213 |         fn compile(filename: &str) -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |         fn output(a: usize) -> usize {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 231 |         fn search(program: &String, start: usize, idx: usize) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day17/solution.rs:252:12
[INFO] [stdout]     |
[INFO] [stdout] 252 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/day18/solution.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout] 102 |     pub fn solve() -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "7a07a68d5a0357b992a30ac847ec6e3750305765ff27e66a4901766cdbca30c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a07a68d5a0357b992a30ac847ec6e3750305765ff27e66a4901766cdbca30c3", kill_on_drop: false }`
[INFO] [stdout] 7a07a68d5a0357b992a30ac847ec6e3750305765ff27e66a4901766cdbca30c3