[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: fetch-pack: invalid index-pack output
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/commit-msg.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024/hooks/commit-msg.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024/branches/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 6)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 7)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 8)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 9)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 10)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 11)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 12)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 13)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 14)
[INFO] cloning repository https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dmbtechdev/advent_of_rust_2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20d8d017913e6048d5198a55da8da308818fd8c9
[INFO] checking dmbtechdev/advent_of_rust_2024 against master#d14d202262d13df896b0c624b0cec6e4bfde631a for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdmbtechdev%2Fadvent_of_rust_2024" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] finished tweaking git repo https://github.com/dmbtechdev/advent_of_rust_2024
[INFO] tweaked toml for git repo https://github.com/dmbtechdev/advent_of_rust_2024 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dmbtechdev/advent_of_rust_2024 on toolchain d14d202262d13df896b0c624b0cec6e4bfde631a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dmbtechdev/advent_of_rust_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" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14f885376f2ce93807308a467effb0d0223a6a5af47668254140a9fffa1c8370
[INFO] running `Command { std: "docker" "start" "-a" "14f885376f2ce93807308a467effb0d0223a6a5af47668254140a9fffa1c8370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f885376f2ce93807308a467effb0d0223a6a5af47668254140a9fffa1c8370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f885376f2ce93807308a467effb0d0223a6a5af47668254140a9fffa1c8370", kill_on_drop: false }`
[INFO] [stdout] 14f885376f2ce93807308a467effb0d0223a6a5af47668254140a9fffa1c8370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+d14d202262d13df896b0c624b0cec6e4bfde631a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fe7aeb6e4c054dc52c67ad3c0a853c1ef2cde5a8a062fd44faf12920a696e54
[INFO] running `Command { std: "docker" "start" "-a" "7fe7aeb6e4c054dc52c67ad3c0a853c1ef2cde5a8a062fd44faf12920a696e54", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_rust_2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/day8.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{Write,BufWriter}};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]  --> src/day8.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fs::File, io::{Write,BufWriter}};
[INFO] [stdout]   |                                ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nice` is never read
[INFO] [stdout]   --> src/day23.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let (mut nice,_) = (0,0);
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attach_message_to_present` is never used
[INFO] [stdout]  --> src/day1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn attach_message_to_present(message: String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attach_message_to_present` is never used
[INFO] [stdout]  --> src/day2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn attach_message_to_present(message: &String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day3.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day3.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_nice` is never used
[INFO] [stdout]  --> src/day3.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day4.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day4.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]  --> src/day4.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Niceness {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `is_nice` are never used
[INFO] [stdout]   --> src/day4.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day5.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]  --> src/day5.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Niceness {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day5.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `parse_row`, `new`, and `is_nice` are never used
[INFO] [stdout]   --> src/day5.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 16 |     pub fn parse_row(csv_row: &str) -> Result<Kid, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longer_wish` is never used
[INFO] [stdout]  --> src/day6.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn longer_wish<'a>(s1: &'a str, s2: &'a str) -> Option<&'a str> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogQuery` is never constructed
[INFO] [stdout]  --> src/day7.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LogQuery<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `search` are never used
[INFO] [stdout]   --> src/day7.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> LogQuery<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(logs:&'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn search(&self, input:&str) ->  Vec<&'a String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogQuery` is never constructed
[INFO] [stdout]  --> src/day8.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LogQuery<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `search`, and `export_to_file` are never used
[INFO] [stdout]   --> src/day8.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<'a> LogQuery<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new(logs: &'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn search(&self, keyword: &str) -> Vec<&'a String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn export_to_file(&self, keyword: &str, path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]  --> src/day9.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]  --> src/day9.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]  --> src/day9.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SnowKg(pub f64);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/day9.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl SnowKg {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]  --> src/day9.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SnowLb(pub f64);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day9.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day9.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day9.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]  --> src/day10.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day10.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day10.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day10.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 35 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day10.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 51 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Location` is never constructed
[INFO] [stdout]  --> src/day11.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Location {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `density` are never used
[INFO] [stdout]   --> src/day11.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Location {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(x: f64, y: f64, z: f64, area: f64, snow: impl Into<Snowball>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn density(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_location` is never used
[INFO] [stdout]   --> src/day11.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn find_best_location(locations: Vec<Location>) -> Result<Location, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]   --> src/day11.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day11.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day11.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day11.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 70 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day11.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_most_dense_location` is never used
[INFO] [stdout]  --> src/day12.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_most_dense_location(locations: &Vec<Location>) -> Result<&Location, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_nearest_location` is never used
[INFO] [stdout]   --> src/day12.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn find_nearest_location(locations: &[Location]) -> Result<&Location, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]   --> src/day12.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day12.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day12.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 42 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day12.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day12.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Location` is never constructed
[INFO] [stdout]    --> src/day12.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Location {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `density` are never used
[INFO] [stdout]    --> src/day12.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Location {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 113 |     pub fn new(x: f64, y: f64, z: f64, area: f64, snow: impl Into<Snowball>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn density(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]  --> src/day13.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day13.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `parse_row`, and `is_nice` are never used
[INFO] [stdout]   --> src/day13.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 36 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn parse_row(csv_row: &str) -> Result<Kid, ParseError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]   --> src/day13.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]   --> src/day13.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]   --> src/day13.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub enum Niceness {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]  --> src/day14.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct KidsGift {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]   --> src/day14.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ElvesGift {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]   --> src/day14.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ReindeerGift {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_gift` is never used
[INFO] [stdout]   --> src/day14.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn display_gift<T: Display>(gift: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day14.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gift` is never used
[INFO] [stdout]  --> src/day15.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Gift // 2. Finish the trait definition //
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]  --> src/day15.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct KidsGift {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]   --> src/day15.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ElvesGift {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]   --> src/day15.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ReindeerGift {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_gift` is never used
[INFO] [stdout]   --> src/day15.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn prepare_gift<T: Display + Gift>(gift: &mut T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day15.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]  --> src/day16.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Kid {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reindeer` is never constructed
[INFO] [stdout]   --> src/day16.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Reindeer {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Elf` is never constructed
[INFO] [stdout]   --> src/day16.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Elf {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Giftable` is never used
[INFO] [stdout]   --> src/day16.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub trait Giftable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gift` is never used
[INFO] [stdout]   --> src/day16.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait Gift {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Santa` is never constructed
[INFO] [stdout]   --> src/day16.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Santa;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `give_gift` is never used
[INFO] [stdout]   --> src/day16.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl Santa {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 96 |     pub fn give_gift<T: Giftable, U: Gift + Display>(&self, recipient: &mut T, gift: &U) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct KidsGift {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct ElvesGift {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct ReindeerGift {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_gift` is never used
[INFO] [stdout]    --> src/day16.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn prepare_gift<T: Gift + Display>(gift: &mut T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day16.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHRISTMAS_EMOJIS` is never used
[INFO] [stdout]  --> src/day17.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CHRISTMAS_EMOJIS: [char; 4] = ['🎅', '🤶', '🎄', '🎁'];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Anonymized` is never used
[INFO] [stdout]  --> src/day17.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Anonymized {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day17.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]  --> src/day18.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Sleigh {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SleighBuilder` is never constructed
[INFO] [stdout]  --> src/day18.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SleighBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `color`, `engine`, `gift_capacity`, `magical_enhancements`, and `build` are never used
[INFO] [stdout]   --> src/day18.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SleighBuilder {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 18 |     // Your code here...
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn color(mut self, color: &str) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn engine(mut self, engine: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn gift_capacity(mut self, gift_capacity: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn magical_enhancements(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn build(self) -> Sleigh {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `color`, `engine`, `gift_capacity`, and `magical_enhancements` are never used
[INFO] [stdout]    --> src/day18.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl Sleigh {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] 92  |     pub fn color(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn engine(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn gift_capacity(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn magical_enhancements(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day18.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]  --> src/day19.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Empty;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ready` is never constructed
[INFO] [stdout]   --> src/day19.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Ready;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flying` is never constructed
[INFO] [stdout]   --> src/day19.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Flying;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]   --> src/day19.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Sleigh<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `load` are never used
[INFO] [stdout]   --> src/day19.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Sleigh<Empty> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 40 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn load(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `take_off` and `unload` are never used
[INFO] [stdout]   --> src/day19.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Sleigh<Ready> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 50 |     pub fn take_off(self) -> Sleigh<Flying> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn unload(self) -> Sleigh<Empty> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `land` is never used
[INFO] [stdout]   --> src/day19.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Sleigh<Flying> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 60 |     pub fn land(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]  --> src/day20.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Empty;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ready` is never constructed
[INFO] [stdout]  --> src/day20.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Ready;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flying` is never constructed
[INFO] [stdout]  --> src/day20.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Flying;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Status` is never used
[INFO] [stdout]  --> src/day20.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Status {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]   --> src/day20.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Sleigh<T: Status> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `status` is never used
[INFO] [stdout]   --> src/day20.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<T: Status> Sleigh<T> {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 38 |     pub fn status(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `load` are never used
[INFO] [stdout]   --> src/day20.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Sleigh<Empty> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 44 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn load(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `take_off` and `unload` are never used
[INFO] [stdout]   --> src/day20.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Sleigh<Ready> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 54 |     pub fn take_off(self) -> Sleigh<Flying> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn unload(self) -> Sleigh<Empty> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `land` is never used
[INFO] [stdout]   --> src/day20.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Sleigh<Flying> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 64 |     pub fn land(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TempFile` is never constructed
[INFO] [stdout]  --> src/day21.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TempFile {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read_to_string`, `path`, and `file` are never used
[INFO] [stdout]   --> src/day21.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TempFile {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 27 |         
[INFO] [stdout] 28 |     pub fn new() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn write(&self, data: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn read_to_string(&self) -> Result<String, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn path(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn file(&self) -> &File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TempFile` is never constructed
[INFO] [stdout]  --> src/day22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TempFile {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read_from_cache`, `read_to_string`, `path`, and `file` are never used
[INFO] [stdout]   --> src/day22.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TempFile {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn write(&mut self, data: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn read_from_cache(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn read_to_string(&mut self) -> Result<String, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn path(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn file(&self) -> &File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SantaList` is never constructed
[INFO] [stdout]  --> src/day23.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SantaList {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `remove`, `get`, `count`, and `list_by_behavior` are never used
[INFO] [stdout]   --> src/day23.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SantaList {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 10 |     // 2. Implement the new method
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add(&mut self, name: &str, behavior: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn remove(&mut self, name: &str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get(&self, name: &str) -> Option<bool> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn count(&self) -> (u32, u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_by_behavior(&self, behavior: bool) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day23.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SleighTask` is never used
[INFO] [stdout]  --> src/day24.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait SleighTask: Send {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SantaSleighQueue` is never constructed
[INFO] [stdout]  --> src/day24.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SantaSleighQueue {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `enqueue`, and `get_task` are never used
[INFO] [stdout]   --> src/day24.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SantaSleighQueue {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 15 |     // 2. Define the `new` constructor
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn enqueue(&self, task: Box<dyn SleighTask>) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_task(&self) -> Option<Box<dyn SleighTask>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElfTask` is never constructed
[INFO] [stdout]   --> src/day24.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ElfTask {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day24.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl ElfTask {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 39 |     // 6. Define the `new` constructor
[INFO] [stdout] 40 |     pub fn new(name: &str, urgency: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerTask` is never constructed
[INFO] [stdout]   --> src/day24.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReindeerTask {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day24.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl ReindeerTask {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 61 |     // 8. Define the `new` constructor
[INFO] [stdout] 62 |     pub fn new(name: &str, weight: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day24.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nice` is never read
[INFO] [stdout]   --> src/day23.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let (mut nice,_) = (0,0);
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day1.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attach_message_to_present` is never used
[INFO] [stdout]  --> src/day1.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn attach_message_to_present(message: String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/day2.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn main() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `attach_message_to_present` is never used
[INFO] [stdout]  --> src/day2.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn attach_message_to_present(message: &String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day3.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day3.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_nice` is never used
[INFO] [stdout]  --> src/day3.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day4.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day4.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]  --> src/day4.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Niceness {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `is_nice` are never used
[INFO] [stdout]   --> src/day4.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 23 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]  --> src/day5.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]  --> src/day5.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]  --> src/day5.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Niceness {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day5.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `parse_row`, `new`, and `is_nice` are never used
[INFO] [stdout]   --> src/day5.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 16 |     pub fn parse_row(csv_row: &str) -> Result<Kid, &'static str> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longer_wish` is never used
[INFO] [stdout]  --> src/day6.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn longer_wish<'a>(s1: &'a str, s2: &'a str) -> Option<&'a str> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogQuery` is never constructed
[INFO] [stdout]  --> src/day7.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct LogQuery<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `search` are never used
[INFO] [stdout]   --> src/day7.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl<'a> LogQuery<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 12 |     pub fn new(logs:&'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn search(&self, input:&str) ->  Vec<&'a String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogQuery` is never constructed
[INFO] [stdout]  --> src/day8.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct LogQuery<'a> {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `search`, and `export_to_file` are never used
[INFO] [stdout]   --> src/day8.rs:7:12
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<'a> LogQuery<'a> {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 7  |     pub fn new(logs: &'a Vec<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub fn search(&self, keyword: &str) -> Vec<&'a String> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn export_to_file(&self, keyword: &str, path: &str) -> std::io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]  --> src/day9.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]  --> src/day9.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]  --> src/day9.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SnowKg(pub f64);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/day9.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl SnowKg {
[INFO] [stdout]   | ----------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]  --> src/day9.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SnowLb(pub f64);
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day9.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day9.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day9.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 17 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]  --> src/day10.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day10.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day10.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day10.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 35 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day10.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day10.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 51 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Location` is never constructed
[INFO] [stdout]  --> src/day11.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Location {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `density` are never used
[INFO] [stdout]   --> src/day11.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Location {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn new(x: f64, y: f64, z: f64, area: f64, snow: impl Into<Snowball>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn density(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_best_location` is never used
[INFO] [stdout]   --> src/day11.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn find_best_location(locations: Vec<Location>) -> Result<Location, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]   --> src/day11.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day11.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day11.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day11.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 70 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day11.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day11.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_most_dense_location` is never used
[INFO] [stdout]  --> src/day12.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn find_most_dense_location(locations: &Vec<Location>) -> Result<&Location, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_nearest_location` is never used
[INFO] [stdout]   --> src/day12.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn find_nearest_location(locations: &[Location]) -> Result<&Location, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_KG` is never used
[INFO] [stdout]   --> src/day12.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const SNOWBALL_WEIGHT_KG: f64 = 0.2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SNOWBALL_WEIGHT_LB` is never used
[INFO] [stdout]   --> src/day12.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const SNOWBALL_WEIGHT_LB: f64 = 0.441;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowKg` is never constructed
[INFO] [stdout]   --> src/day12.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct SnowKg(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl SnowKg {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 42 |     pub fn new(kg: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SnowLb` is never constructed
[INFO] [stdout]   --> src/day12.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct SnowLb(pub f64);
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl SnowLb {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 59 |     pub fn new(lb: f64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snowball` is never constructed
[INFO] [stdout]   --> src/day12.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub struct Snowball(pub i64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day12.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Snowball {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn new(snowballs: i64) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Location` is never constructed
[INFO] [stdout]    --> src/day12.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct Location {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `density` are never used
[INFO] [stdout]    --> src/day12.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl Location {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout] 113 |     pub fn new(x: f64, y: f64, z: f64, area: f64, snow: impl Into<Snowball>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn density(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ParseError` is never used
[INFO] [stdout]  --> src/day13.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum ParseError {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]   --> src/day13.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new`, `parse_row`, and `is_nice` are never used
[INFO] [stdout]   --> src/day13.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Kid {
[INFO] [stdout]    | -------- associated functions in this implementation
[INFO] [stdout] 36 |     pub fn new(name: String, good_deeds: u32, bad_deeds: u32) -> Kid {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn parse_row(csv_row: &str) -> Result<Kid, ParseError> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     pub fn is_nice(good_deeds: u32, bad_deeds: u32) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GOOD_WEIGHT` is never used
[INFO] [stdout]   --> src/day13.rs:81:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub const GOOD_WEIGHT: f32 = 1.0;
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BAD_WEIGHT` is never used
[INFO] [stdout]   --> src/day13.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub const BAD_WEIGHT: f32 = 2.0;
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Niceness` is never used
[INFO] [stdout]   --> src/day13.rs:85:10
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub enum Niceness {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]  --> src/day14.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct KidsGift {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]   --> src/day14.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct ElvesGift {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]   --> src/day14.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ReindeerGift {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `display_gift` is never used
[INFO] [stdout]   --> src/day14.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn display_gift<T: Display>(gift: &T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day14.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gift` is never used
[INFO] [stdout]  --> src/day15.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub trait Gift // 2. Finish the trait definition //
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]  --> src/day15.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct KidsGift {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]   --> src/day15.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ElvesGift {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]   --> src/day15.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct ReindeerGift {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_gift` is never used
[INFO] [stdout]   --> src/day15.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn prepare_gift<T: Display + Gift>(gift: &mut T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day15.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kid` is never constructed
[INFO] [stdout]  --> src/day16.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Kid {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reindeer` is never constructed
[INFO] [stdout]   --> src/day16.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct Reindeer {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Elf` is never constructed
[INFO] [stdout]   --> src/day16.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Elf {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Giftable` is never used
[INFO] [stdout]   --> src/day16.rs:40:11
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub trait Giftable {
[INFO] [stdout]    |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Gift` is never used
[INFO] [stdout]   --> src/day16.rs:48:11
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub trait Gift {
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Santa` is never constructed
[INFO] [stdout]   --> src/day16.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Santa;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `give_gift` is never used
[INFO] [stdout]   --> src/day16.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 95 | impl Santa {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 96 |     pub fn give_gift<T: Giftable, U: Gift + Display>(&self, recipient: &mut T, gift: &U) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KidsGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub struct KidsGift {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElvesGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:119:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub struct ElvesGift {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerGift` is never constructed
[INFO] [stdout]    --> src/day16.rs:130:12
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct ReindeerGift {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `prepare_gift` is never used
[INFO] [stdout]    --> src/day16.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub fn prepare_gift<T: Gift + Display>(gift: &mut T) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day16.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHRISTMAS_EMOJIS` is never used
[INFO] [stdout]  --> src/day17.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const CHRISTMAS_EMOJIS: [char; 4] = ['🎅', '🤶', '🎄', '🎁'];
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Anonymized` is never used
[INFO] [stdout]  --> src/day17.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Anonymized {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day17.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]  --> src/day18.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Sleigh {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SleighBuilder` is never constructed
[INFO] [stdout]  --> src/day18.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SleighBuilder {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `color`, `engine`, `gift_capacity`, `magical_enhancements`, and `build` are never used
[INFO] [stdout]   --> src/day18.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SleighBuilder {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 18 |     // Your code here...
[INFO] [stdout] 19 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn color(mut self, color: &str) -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn engine(mut self, engine: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn gift_capacity(mut self, gift_capacity: u32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn magical_enhancements(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     pub fn build(self) -> Sleigh {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `color`, `engine`, `gift_capacity`, and `magical_enhancements` are never used
[INFO] [stdout]    --> src/day18.rs:92:12
[INFO] [stdout]     |
[INFO] [stdout] 91  | impl Sleigh {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] 92  |     pub fn color(&self) -> &str {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn engine(&self) -> &str {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub fn gift_capacity(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     pub fn magical_enhancements(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/day18.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]  --> src/day19.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Empty;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ready` is never constructed
[INFO] [stdout]   --> src/day19.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Ready;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flying` is never constructed
[INFO] [stdout]   --> src/day19.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Flying;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]   --> src/day19.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Sleigh<T> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `load` are never used
[INFO] [stdout]   --> src/day19.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Sleigh<Empty> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 40 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn load(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `take_off` and `unload` are never used
[INFO] [stdout]   --> src/day19.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl Sleigh<Ready> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 50 |     pub fn take_off(self) -> Sleigh<Flying> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     pub fn unload(self) -> Sleigh<Empty> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `land` is never used
[INFO] [stdout]   --> src/day19.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Sleigh<Flying> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 60 |     pub fn land(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]  --> src/day20.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Empty;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ready` is never constructed
[INFO] [stdout]  --> src/day20.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Ready;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Flying` is never constructed
[INFO] [stdout]  --> src/day20.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Flying;
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Status` is never used
[INFO] [stdout]  --> src/day20.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub trait Status {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sleigh` is never constructed
[INFO] [stdout]   --> src/day20.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Sleigh<T: Status> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `status` is never used
[INFO] [stdout]   --> src/day20.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl<T: Status> Sleigh<T> {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 38 |     pub fn status(&self) -> &'static str {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `load` are never used
[INFO] [stdout]   --> src/day20.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Sleigh<Empty> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 44 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn load(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `take_off` and `unload` are never used
[INFO] [stdout]   --> src/day20.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Sleigh<Ready> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 54 |     pub fn take_off(self) -> Sleigh<Flying> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub fn unload(self) -> Sleigh<Empty> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `land` is never used
[INFO] [stdout]   --> src/day20.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Sleigh<Flying> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 64 |     pub fn land(self) -> Sleigh<Ready> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TempFile` is never constructed
[INFO] [stdout]  --> src/day21.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct TempFile {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read_to_string`, `path`, and `file` are never used
[INFO] [stdout]   --> src/day21.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl TempFile {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 27 |         
[INFO] [stdout] 28 |     pub fn new() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn write(&self, data: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn read_to_string(&self) -> Result<String, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn path(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn file(&self) -> &File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TempFile` is never constructed
[INFO] [stdout]  --> src/day22.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct TempFile {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write`, `read_from_cache`, `read_to_string`, `path`, and `file` are never used
[INFO] [stdout]   --> src/day22.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl TempFile {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Result<Self, std::io::Error> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn write(&mut self, data: &[u8]) -> Result<(), std::io::Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     pub fn read_from_cache(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn read_to_string(&mut self) -> Result<String, std::io::Error> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub fn path(&self) -> &PathBuf {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn file(&self) -> &File {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SantaList` is never constructed
[INFO] [stdout]  --> src/day23.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct SantaList {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `add`, `remove`, `get`, `count`, and `list_by_behavior` are never used
[INFO] [stdout]   --> src/day23.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl SantaList {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 10 |     // 2. Implement the new method
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub fn add(&mut self, name: &str, behavior: bool) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn remove(&mut self, name: &str) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get(&self, name: &str) -> Option<bool> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn count(&self) -> (u32, u32) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn list_by_behavior(&self, behavior: bool) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day23.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SleighTask` is never used
[INFO] [stdout]  --> src/day24.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait SleighTask: Send {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SantaSleighQueue` is never constructed
[INFO] [stdout]  --> src/day24.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct SantaSleighQueue {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `enqueue`, and `get_task` are never used
[INFO] [stdout]   --> src/day24.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl SantaSleighQueue {
[INFO] [stdout]    | --------------------- associated items in this implementation
[INFO] [stdout] 15 |     // 2. Define the `new` constructor
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn enqueue(&self, task: Box<dyn SleighTask>) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub fn get_task(&self) -> Option<Box<dyn SleighTask>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ElfTask` is never constructed
[INFO] [stdout]   --> src/day24.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct ElfTask {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day24.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | impl ElfTask {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 39 |     // 6. Define the `new` constructor
[INFO] [stdout] 40 |     pub fn new(name: &str, urgency: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReindeerTask` is never constructed
[INFO] [stdout]   --> src/day24.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ReindeerTask {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day24.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl ReindeerTask {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 61 |     // 8. Define the `new` constructor
[INFO] [stdout] 62 |     pub fn new(name: &str, weight: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/day24.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "7fe7aeb6e4c054dc52c67ad3c0a853c1ef2cde5a8a062fd44faf12920a696e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe7aeb6e4c054dc52c67ad3c0a853c1ef2cde5a8a062fd44faf12920a696e54", kill_on_drop: false }`
[INFO] [stdout] 7fe7aeb6e4c054dc52c67ad3c0a853c1ef2cde5a8a062fd44faf12920a696e54