[INFO] cloning repository https://github.com/efrees/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/efrees/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefrees%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefrees%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a909072520d6f67ddecc24c47373e83294de0b33
[INFO] checking efrees/adventofcode2018 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fefrees%2Fadventofcode2018" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/efrees/adventofcode2018 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/efrees/adventofcode2018
[INFO] finished tweaking git repo https://github.com/efrees/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/efrees/adventofcode2018 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/efrees/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57d816403657e1804ef39f2e6acfd56fcf8879411c45e86a63a16177b8415b06
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57d816403657e1804ef39f2e6acfd56fcf8879411c45e86a63a16177b8415b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57d816403657e1804ef39f2e6acfd56fcf8879411c45e86a63a16177b8415b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d816403657e1804ef39f2e6acfd56fcf8879411c45e86a63a16177b8415b06", kill_on_drop: false }`
[INFO] [stdout] 57d816403657e1804ef39f2e6acfd56fcf8879411c45e86a63a16177b8415b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06a536a2d46da8bf93a9df5bba8d0b4060a00a691b9b29650c0090e37cd42992
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06a536a2d46da8bf93a9df5bba8d0b4060a00a691b9b29650c0090e37cd42992", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking advent_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solutions/day16.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let methods: Vec<&Fn(&Vec<i32>, &mut Vec<i32>)> = vec![
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>, &mut Vec<i32>)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/solutions/day16.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |     method: &Fn(&Vec<i32>, &mut Vec<i32>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>, &mut Vec<i32>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/solutions/day16.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let methods: Vec<&Fn(&Vec<i32>, &mut Vec<i32>)> = vec![
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>, &mut Vec<i32>)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/solutions/day16.rs:129:14
[INFO] [stdout]     |
[INFO] [stdout] 129 |     method: &Fn(&Vec<i32>, &mut Vec<i32>),
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Vec<i32>, &mut Vec<i32>)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn time(f: &Fn()) {
[INFO] [stdout]    |             ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn time_with_label(f: &Fn(), label: &str) {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn time(f: &Fn()) {
[INFO] [stdout]    |             ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn time_with_label(f: &Fn(), label: &str) {
[INFO] [stdout]    |                        ^^^^ help: use `dyn`: `dyn Fn()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day18.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut row: Vec<_> = line
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day18.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut row: Vec<_> = line
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/solutions/day10.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Point(i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PointWithVelocity`
[INFO] [stdout]  --> src/solutions/day10.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct PointWithVelocity {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day10.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_point_section`
[INFO] [stdout]   --> src/solutions/day10.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn print_point_section(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day11.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `power_level`
[INFO] [stdout]   --> src/solutions/day11.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn power_level(x: i32, y: i32, serial_number: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day12.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_rule`
[INFO] [stdout]   --> src/solutions/day12.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_rule(line: &String) -> ((bool, bool, bool, bool, bool), bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_result`
[INFO] [stdout]   --> src/solutions/day12.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn print_result(next_config: &Vec<&bool>, zero_offset: i64, generation: i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day13.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_grid`
[INFO] [stdout]   --> src/solutions/day13.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<RailType>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `initiate_carts`
[INFO] [stdout]   --> src/solutions/day13.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn initiate_carts(lines: &Vec<String>) -> Vec<Cart> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_cart_on_grid`
[INFO] [stdout]    --> src/solutions/day13.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn move_cart_on_grid(cart: &mut Cart, grid: &Vec<Vec<RailType>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RailType`
[INFO] [stdout]    --> src/solutions/day13.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 | enum RailType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_recipes_to`
[INFO] [stdout]   --> src/solutions/day14.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn build_recipes_to(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day15.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_grid`
[INFO] [stdout]   --> src/solutions/day15.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<CellType>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_units`
[INFO] [stdout]   --> src/solutions/day15.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn parse_units(lines: &Vec<String>, elf_power: u8) -> HashMap<Point, BattleUnit> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fight_battle`
[INFO] [stdout]   --> src/solutions/day15.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn fight_battle(grid: &Vec<Vec<CellType>>, units: &mut HashMap<Point, BattleUnit>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_targets`
[INFO] [stdout]    --> src/solutions/day15.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn has_targets(unit_pos: &Point, units: &HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_adjacent_targets`
[INFO] [stdout]    --> src/solutions/day15.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn has_adjacent_targets(unit_pos: &Point, units: &HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_turn`
[INFO] [stdout]    --> src/solutions/day15.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn take_turn(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_best_move`
[INFO] [stdout]    --> src/solutions/day15.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn make_best_move(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bfs_best_target`
[INFO] [stdout]    --> src/solutions/day15.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn bfs_best_target(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_get`
[INFO] [stdout]    --> src/solutions/day15.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn grid_get(point: &Point, grid: &Vec<Vec<CellType>>) -> CellType {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `attack`
[INFO] [stdout]    --> src/solutions/day15.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn attack(unit_pos: &Point, units: &mut HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Open`
[INFO] [stdout]    --> src/solutions/day15.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Open,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wall`
[INFO] [stdout]    --> src/solutions/day15.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Wall,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Goblin`
[INFO] [stdout]    --> src/solutions/day15.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Goblin,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Elf`
[INFO] [stdout]    --> src/solutions/day15.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 |     Elf,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hit_points`
[INFO] [stdout]    --> src/solutions/day15.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |     hit_points: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attack_power`
[INFO] [stdout]    --> src/solutions/day15.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 316 |     attack_power: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]    --> src/solutions/day15.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     position: Point,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/solutions/day15.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn new(team: BattleTeam, x: u32, y: u32, power: u8) -> BattleUnit {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goblin`
[INFO] [stdout]    --> src/solutions/day15.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn new_goblin(x: u32, y: u32) -> BattleUnit {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_elf`
[INFO] [stdout]    --> src/solutions/day15.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn new_elf(x: u32, y: u32, power: u8) -> BattleUnit {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_registers`
[INFO] [stdout]   --> src/solutions/day16.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn parse_registers(input: &str) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_command`
[INFO] [stdout]    --> src/solutions/day16.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn parse_command(input: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reg_equal`
[INFO] [stdout]    --> src/solutions/day16.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn reg_equal(first: &Vec<i32>, second: &Vec<i32>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec_and_check`
[INFO] [stdout]    --> src/solutions/day16.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn exec_and_check(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reg_copy`
[INFO] [stdout]    --> src/solutions/day16.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn reg_copy(original: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr`
[INFO] [stdout]    --> src/solutions/day16.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn addr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addi`
[INFO] [stdout]    --> src/solutions/day16.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn addi(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mulr`
[INFO] [stdout]    --> src/solutions/day16.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn mulr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `muli`
[INFO] [stdout]    --> src/solutions/day16.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn muli(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `banr`
[INFO] [stdout]    --> src/solutions/day16.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn banr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bani`
[INFO] [stdout]    --> src/solutions/day16.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn bani(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `borr`
[INFO] [stdout]    --> src/solutions/day16.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn borr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bori`
[INFO] [stdout]    --> src/solutions/day16.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn bori(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setr`
[INFO] [stdout]    --> src/solutions/day16.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn setr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seti`
[INFO] [stdout]    --> src/solutions/day16.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn seti(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtir`
[INFO] [stdout]    --> src/solutions/day16.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn gtir(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtri`
[INFO] [stdout]    --> src/solutions/day16.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn gtri(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtrr`
[INFO] [stdout]    --> src/solutions/day16.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn gtrr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqir`
[INFO] [stdout]    --> src/solutions/day16.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn eqir(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqri`
[INFO] [stdout]    --> src/solutions/day16.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn eqri(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqrr`
[INFO] [stdout]    --> src/solutions/day16.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn eqrr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOUCHED`
[INFO] [stdout]  --> src/solutions/day17.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TOUCHED: u8 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WATER`
[INFO] [stdout]  --> src/solutions/day17.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WATER: u8 = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CLAY`
[INFO] [stdout]  --> src/solutions/day17.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CLAY: u8 = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day17.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_bounds`
[INFO] [stdout]   --> src/solutions/day17.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_bounds(specifier: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flood_down`
[INFO] [stdout]   --> src/solutions/day17.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn flood_down(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flood_left_right`
[INFO] [stdout]    --> src/solutions/day17.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn flood_left_right(grid: &mut HashMap<(u32, u32), u8>, from_loc: (u32, u32), max_y: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_left_right`
[INFO] [stdout]    --> src/solutions/day17.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn empty_left_right(grid: &mut HashMap<(u32, u32), u8>, from_loc: (u32, u32)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPEN`
[INFO] [stdout]  --> src/solutions/day18.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const OPEN: u8 = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREES`
[INFO] [stdout]  --> src/solutions/day18.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TREES: u8 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LUMBERYARD`
[INFO] [stdout]  --> src/solutions/day18.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const LUMBERYARD: u8 = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day18.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lines_to_byte_grid`
[INFO] [stdout]   --> src/solutions/day18.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn lines_to_byte_grid(lines: &Vec<String>) -> Vec<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_next_step`
[INFO] [stdout]   --> src/solutions/day18.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn compute_next_step(grid: &Vec<Vec<u8>>, next_grid: &mut Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_neighbors`
[INFO] [stdout]   --> src/solutions/day18.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn count_neighbors(point: Point, grid: &Vec<Vec<u8>>) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_get`
[INFO] [stdout]    --> src/solutions/day18.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn grid_get(point: &Point, grid: &Vec<Vec<u8>>) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_resource_value`
[INFO] [stdout]    --> src/solutions/day18.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn compute_resource_value(grid: &Vec<Vec<u8>>) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_to_string`
[INFO] [stdout]    --> src/solutions/day18.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn grid_to_string(grid: &Vec<Vec<u8>>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/solutions/day19.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(ip_reg: u8) -> WristComputer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_ip`
[INFO] [stdout]   --> src/solutions/day19.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_next_ip(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_program`
[INFO] [stdout]   --> src/solutions/day19.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn execute_program(&mut self, program: &Vec<WristComputerInstruction>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/solutions/day19.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn execute(&mut self, instr: &WristComputerInstruction) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `addr`
[INFO] [stdout]   --> src/solutions/day19.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn addr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `addi`
[INFO] [stdout]   --> src/solutions/day19.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn addi(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mulr`
[INFO] [stdout]   --> src/solutions/day19.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `muli`
[INFO] [stdout]   --> src/solutions/day19.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn muli(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modr`
[INFO] [stdout]   --> src/solutions/day19.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn modr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modi`
[INFO] [stdout]    --> src/solutions/day19.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn modi(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `banr`
[INFO] [stdout]    --> src/solutions/day19.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn banr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bani`
[INFO] [stdout]    --> src/solutions/day19.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn bani(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borr`
[INFO] [stdout]    --> src/solutions/day19.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn borr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bori`
[INFO] [stdout]    --> src/solutions/day19.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn bori(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setr`
[INFO] [stdout]    --> src/solutions/day19.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn setr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seti`
[INFO] [stdout]    --> src/solutions/day19.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn seti(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtir`
[INFO] [stdout]    --> src/solutions/day19.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn gtir(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtri`
[INFO] [stdout]    --> src/solutions/day19.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn gtri(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtrr`
[INFO] [stdout]    --> src/solutions/day19.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn gtrr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqir`
[INFO] [stdout]    --> src/solutions/day19.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn eqir(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqri`
[INFO] [stdout]    --> src/solutions/day19.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn eqri(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqrr`
[INFO] [stdout]    --> src/solutions/day19.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn eqrr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WristComputerInstruction`
[INFO] [stdout]    --> src/solutions/day19.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct WristComputerInstruction<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_str`
[INFO] [stdout]    --> src/solutions/day19.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn parse_str(line: &'a str) -> WristComputerInstruction<'a> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day20.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_map`
[INFO] [stdout]   --> src/solutions/day20.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_map<'a, 'b>(raw_map: &'a [u8], end: usize, node_store: &'b mut Vec<MapNode<'a>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sequence`
[INFO] [stdout]   --> src/solutions/day20.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn parse_sequence<'a, 'b>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_branches`
[INFO] [stdout]   --> src/solutions/day20.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_branches<'a, 'b>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `follow_sequential_steps`
[INFO] [stdout]    --> src/solutions/day20.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn follow_sequential_steps(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `follow_branches`
[INFO] [stdout]    --> src/solutions/day20.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn follow_branches(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MapNode`
[INFO] [stdout]    --> src/solutions/day20.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct MapNode<'a> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/solutions/day20.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn empty(next: Option<usize>) -> MapNode<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_branches`
[INFO] [stdout]    --> src/solutions/day20.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn has_branches(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day21.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `Y0_ROOT`
[INFO] [stdout]   --> src/solutions/day22.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const Y0_ROOT: usize = 16807;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X0_ROOT`
[INFO] [stdout]   --> src/solutions/day22.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const X0_ROOT: usize = 48271;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EROSION_MOD`
[INFO] [stdout]   --> src/solutions/day22.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const EROSION_MOD: u32 = 20183;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day22.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cave_type`
[INFO] [stdout]    --> src/solutions/day22.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_cave_type(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_erosion_level`
[INFO] [stdout]    --> src/solutions/day22.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn get_erosion_level(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `estimate_cost`
[INFO] [stdout]    --> src/solutions/day22.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn estimate_cost(position: Coords, cur_tool: u8, target_pos: Coords) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardStart`
[INFO] [stdout]  --> src/solutions/day4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     GuardStart,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardSleep`
[INFO] [stdout]  --> src/solutions/day4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     GuardSleep,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardWake`
[INFO] [stdout]  --> src/solutions/day4.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     GuardWake,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day4.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_log_from_line`
[INFO] [stdout]    --> src/solutions/day4.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn parse_log_from_line(line: &str) -> GuardLog {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_log_type_from_message`
[INFO] [stdout]    --> src/solutions/day4.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn parse_log_type_from_message(message: &str) -> (GuardLogType, u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `react_string`
[INFO] [stdout]   --> src/solutions/day5.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn react_string(line: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dist_to`
[INFO] [stdout]   --> src/solutions/day6.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn dist_to(&self, other_x: u16, other_y: u16) -> u16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day6.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_point`
[INFO] [stdout]    --> src/solutions/day6.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn parse_point(line: &str, index: u16) -> FillPoint {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `node_cost`
[INFO] [stdout]    --> src/solutions/day7.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn node_cost(node: &char) -> u16 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day8.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_metadata_rec`
[INFO] [stdout]   --> src/solutions/day8.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn sum_metadata_rec(tree_data: &mut VecDeque<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_node_value`
[INFO] [stdout]   --> src/solutions/day8.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn get_node_value(tree_data: &mut VecDeque<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day9.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `reg_pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day16.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |         static ref reg_pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `REG_PATTERN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day17.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         static ref pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day23.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         static ref pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `log_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day4.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         static ref log_pattern: Regex = Regex::new(r"^\[(.*?)\] (.*)$").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `LOG_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `message_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day4.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |             static ref message_pattern: Regex = Regex::new(r"Guard #(\d+) begins").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MESSAGE_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `point_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day6.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |         static ref point_pattern: Regex = Regex::new(r"^(\d+), (\d+)$").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `POINT_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 150 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day1.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/solutions/day10.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Point(i32, i32);
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PointWithVelocity`
[INFO] [stdout]  --> src/solutions/day10.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct PointWithVelocity {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day10.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_point_section`
[INFO] [stdout]   --> src/solutions/day10.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn print_point_section(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day11.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `power_level`
[INFO] [stdout]   --> src/solutions/day11.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn power_level(x: i32, y: i32, serial_number: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day12.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_rule`
[INFO] [stdout]   --> src/solutions/day12.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn parse_rule(line: &String) -> ((bool, bool, bool, bool, bool), bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_result`
[INFO] [stdout]   --> src/solutions/day12.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn print_result(next_config: &Vec<&bool>, zero_offset: i64, generation: i64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day13.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_grid`
[INFO] [stdout]   --> src/solutions/day13.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<RailType>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `initiate_carts`
[INFO] [stdout]   --> src/solutions/day13.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn initiate_carts(lines: &Vec<String>) -> Vec<Cart> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_cart_on_grid`
[INFO] [stdout]    --> src/solutions/day13.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn move_cart_on_grid(cart: &mut Cart, grid: &Vec<Vec<RailType>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `RailType`
[INFO] [stdout]    --> src/solutions/day13.rs:145:6
[INFO] [stdout]     |
[INFO] [stdout] 145 | enum RailType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day14.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_recipes_to`
[INFO] [stdout]   --> src/solutions/day14.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn build_recipes_to(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day15.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_grid`
[INFO] [stdout]   --> src/solutions/day15.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<CellType>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_units`
[INFO] [stdout]   --> src/solutions/day15.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn parse_units(lines: &Vec<String>, elf_power: u8) -> HashMap<Point, BattleUnit> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fight_battle`
[INFO] [stdout]   --> src/solutions/day15.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn fight_battle(grid: &Vec<Vec<CellType>>, units: &mut HashMap<Point, BattleUnit>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_targets`
[INFO] [stdout]    --> src/solutions/day15.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn has_targets(unit_pos: &Point, units: &HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `has_adjacent_targets`
[INFO] [stdout]    --> src/solutions/day15.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn has_adjacent_targets(unit_pos: &Point, units: &HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take_turn`
[INFO] [stdout]    --> src/solutions/day15.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn take_turn(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_best_move`
[INFO] [stdout]    --> src/solutions/day15.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn make_best_move(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bfs_best_target`
[INFO] [stdout]    --> src/solutions/day15.rs:195:4
[INFO] [stdout]     |
[INFO] [stdout] 195 | fn bfs_best_target(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_get`
[INFO] [stdout]    --> src/solutions/day15.rs:240:4
[INFO] [stdout]     |
[INFO] [stdout] 240 | fn grid_get(point: &Point, grid: &Vec<Vec<CellType>>) -> CellType {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `attack`
[INFO] [stdout]    --> src/solutions/day15.rs:251:4
[INFO] [stdout]     |
[INFO] [stdout] 251 | fn attack(unit_pos: &Point, units: &mut HashMap<Point, BattleUnit>) -> bool {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Open`
[INFO] [stdout]    --> src/solutions/day15.rs:303:5
[INFO] [stdout]     |
[INFO] [stdout] 303 |     Open,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Wall`
[INFO] [stdout]    --> src/solutions/day15.rs:304:5
[INFO] [stdout]     |
[INFO] [stdout] 304 |     Wall,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Goblin`
[INFO] [stdout]    --> src/solutions/day15.rs:309:5
[INFO] [stdout]     |
[INFO] [stdout] 309 |     Goblin,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Elf`
[INFO] [stdout]    --> src/solutions/day15.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 310 |     Elf,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hit_points`
[INFO] [stdout]    --> src/solutions/day15.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |     hit_points: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attack_power`
[INFO] [stdout]    --> src/solutions/day15.rs:316:5
[INFO] [stdout]     |
[INFO] [stdout] 316 |     attack_power: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]    --> src/solutions/day15.rs:317:5
[INFO] [stdout]     |
[INFO] [stdout] 317 |     position: Point,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/solutions/day15.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn new(team: BattleTeam, x: u32, y: u32, power: u8) -> BattleUnit {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_goblin`
[INFO] [stdout]    --> src/solutions/day15.rs:330:8
[INFO] [stdout]     |
[INFO] [stdout] 330 |     fn new_goblin(x: u32, y: u32) -> BattleUnit {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_elf`
[INFO] [stdout]    --> src/solutions/day15.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn new_elf(x: u32, y: u32, power: u8) -> BattleUnit {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day16.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_registers`
[INFO] [stdout]   --> src/solutions/day16.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn parse_registers(input: &str) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_command`
[INFO] [stdout]    --> src/solutions/day16.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn parse_command(input: &str) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reg_equal`
[INFO] [stdout]    --> src/solutions/day16.rs:115:4
[INFO] [stdout]     |
[INFO] [stdout] 115 | fn reg_equal(first: &Vec<i32>, second: &Vec<i32>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec_and_check`
[INFO] [stdout]    --> src/solutions/day16.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn exec_and_check(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reg_copy`
[INFO] [stdout]    --> src/solutions/day16.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn reg_copy(original: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addr`
[INFO] [stdout]    --> src/solutions/day16.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn addr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `addi`
[INFO] [stdout]    --> src/solutions/day16.rs:147:4
[INFO] [stdout]     |
[INFO] [stdout] 147 | fn addi(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mulr`
[INFO] [stdout]    --> src/solutions/day16.rs:151:4
[INFO] [stdout]     |
[INFO] [stdout] 151 | fn mulr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `muli`
[INFO] [stdout]    --> src/solutions/day16.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn muli(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `banr`
[INFO] [stdout]    --> src/solutions/day16.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn banr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bani`
[INFO] [stdout]    --> src/solutions/day16.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn bani(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `borr`
[INFO] [stdout]    --> src/solutions/day16.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn borr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bori`
[INFO] [stdout]    --> src/solutions/day16.rs:168:4
[INFO] [stdout]     |
[INFO] [stdout] 168 | fn bori(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `setr`
[INFO] [stdout]    --> src/solutions/day16.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn setr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `seti`
[INFO] [stdout]    --> src/solutions/day16.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn seti(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtir`
[INFO] [stdout]    --> src/solutions/day16.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn gtir(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtri`
[INFO] [stdout]    --> src/solutions/day16.rs:186:4
[INFO] [stdout]     |
[INFO] [stdout] 186 | fn gtri(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gtrr`
[INFO] [stdout]    --> src/solutions/day16.rs:193:4
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn gtrr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqir`
[INFO] [stdout]    --> src/solutions/day16.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn eqir(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqri`
[INFO] [stdout]    --> src/solutions/day16.rs:208:4
[INFO] [stdout]     |
[INFO] [stdout] 208 | fn eqri(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `eqrr`
[INFO] [stdout]    --> src/solutions/day16.rs:215:4
[INFO] [stdout]     |
[INFO] [stdout] 215 | fn eqrr(command: &Vec<i32>, regs: &mut Vec<i32>) {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TOUCHED`
[INFO] [stdout]  --> src/solutions/day17.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TOUCHED: u8 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WATER`
[INFO] [stdout]  --> src/solutions/day17.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WATER: u8 = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CLAY`
[INFO] [stdout]  --> src/solutions/day17.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const CLAY: u8 = 3;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day17.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_bounds`
[INFO] [stdout]   --> src/solutions/day17.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn parse_bounds(specifier: &str) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flood_down`
[INFO] [stdout]   --> src/solutions/day17.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn flood_down(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flood_left_right`
[INFO] [stdout]    --> src/solutions/day17.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn flood_left_right(grid: &mut HashMap<(u32, u32), u8>, from_loc: (u32, u32), max_y: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `empty_left_right`
[INFO] [stdout]    --> src/solutions/day17.rs:153:4
[INFO] [stdout]     |
[INFO] [stdout] 153 | fn empty_left_right(grid: &mut HashMap<(u32, u32), u8>, from_loc: (u32, u32)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OPEN`
[INFO] [stdout]  --> src/solutions/day18.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | const OPEN: u8 = 0;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREES`
[INFO] [stdout]  --> src/solutions/day18.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const TREES: u8 = 1;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `LUMBERYARD`
[INFO] [stdout]  --> src/solutions/day18.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | const LUMBERYARD: u8 = 2;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day18.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lines_to_byte_grid`
[INFO] [stdout]   --> src/solutions/day18.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn lines_to_byte_grid(lines: &Vec<String>) -> Vec<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_next_step`
[INFO] [stdout]   --> src/solutions/day18.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn compute_next_step(grid: &Vec<Vec<u8>>, next_grid: &mut Vec<Vec<u8>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_neighbors`
[INFO] [stdout]   --> src/solutions/day18.rs:99:4
[INFO] [stdout]    |
[INFO] [stdout] 99 | fn count_neighbors(point: Point, grid: &Vec<Vec<u8>>) -> (u8, u8) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_get`
[INFO] [stdout]    --> src/solutions/day18.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn grid_get(point: &Point, grid: &Vec<Vec<u8>>) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `compute_resource_value`
[INFO] [stdout]    --> src/solutions/day18.rs:122:4
[INFO] [stdout]     |
[INFO] [stdout] 122 | fn compute_resource_value(grid: &Vec<Vec<u8>>) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_to_string`
[INFO] [stdout]    --> src/solutions/day18.rs:138:4
[INFO] [stdout]     |
[INFO] [stdout] 138 | fn grid_to_string(grid: &Vec<Vec<u8>>) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/solutions/day19.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn new(ip_reg: u8) -> WristComputer {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_ip`
[INFO] [stdout]   --> src/solutions/day19.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn get_next_ip(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute_program`
[INFO] [stdout]   --> src/solutions/day19.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn execute_program(&mut self, program: &Vec<WristComputerInstruction>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `execute`
[INFO] [stdout]   --> src/solutions/day19.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn execute(&mut self, instr: &WristComputerInstruction) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `addr`
[INFO] [stdout]   --> src/solutions/day19.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn addr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `addi`
[INFO] [stdout]   --> src/solutions/day19.rs:86:8
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn addi(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mulr`
[INFO] [stdout]   --> src/solutions/day19.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `muli`
[INFO] [stdout]   --> src/solutions/day19.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn muli(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modr`
[INFO] [stdout]   --> src/solutions/day19.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 |     fn modr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `modi`
[INFO] [stdout]    --> src/solutions/day19.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn modi(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `banr`
[INFO] [stdout]    --> src/solutions/day19.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 |     fn banr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bani`
[INFO] [stdout]    --> src/solutions/day19.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn bani(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `borr`
[INFO] [stdout]    --> src/solutions/day19.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn borr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `bori`
[INFO] [stdout]    --> src/solutions/day19.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn bori(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `setr`
[INFO] [stdout]    --> src/solutions/day19.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn setr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seti`
[INFO] [stdout]    --> src/solutions/day19.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn seti(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtir`
[INFO] [stdout]    --> src/solutions/day19.rs:128:8
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn gtir(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtri`
[INFO] [stdout]    --> src/solutions/day19.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn gtri(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `gtrr`
[INFO] [stdout]    --> src/solutions/day19.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn gtrr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqir`
[INFO] [stdout]    --> src/solutions/day19.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 |     fn eqir(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqri`
[INFO] [stdout]    --> src/solutions/day19.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn eqri(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `eqrr`
[INFO] [stdout]    --> src/solutions/day19.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn eqrr(&mut self, args: &Vec<u8>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `WristComputerInstruction`
[INFO] [stdout]    --> src/solutions/day19.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct WristComputerInstruction<'a> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_str`
[INFO] [stdout]    --> src/solutions/day19.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 |     fn parse_str(line: &'a str) -> WristComputerInstruction<'a> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day20.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_map`
[INFO] [stdout]   --> src/solutions/day20.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn parse_map<'a, 'b>(raw_map: &'a [u8], end: usize, node_store: &'b mut Vec<MapNode<'a>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_sequence`
[INFO] [stdout]   --> src/solutions/day20.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn parse_sequence<'a, 'b>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_branches`
[INFO] [stdout]   --> src/solutions/day20.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn parse_branches<'a, 'b>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `follow_sequential_steps`
[INFO] [stdout]    --> src/solutions/day20.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn follow_sequential_steps(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `follow_branches`
[INFO] [stdout]    --> src/solutions/day20.rs:158:4
[INFO] [stdout]     |
[INFO] [stdout] 158 | fn follow_branches(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MapNode`
[INFO] [stdout]    --> src/solutions/day20.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 | struct MapNode<'a> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]    --> src/solutions/day20.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn empty(next: Option<usize>) -> MapNode<'a> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `has_branches`
[INFO] [stdout]    --> src/solutions/day20.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn has_branches(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day21.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `Y0_ROOT`
[INFO] [stdout]   --> src/solutions/day22.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const Y0_ROOT: usize = 16807;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `X0_ROOT`
[INFO] [stdout]   --> src/solutions/day22.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | const X0_ROOT: usize = 48271;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EROSION_MOD`
[INFO] [stdout]   --> src/solutions/day22.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | const EROSION_MOD: u32 = 20183;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day22.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_cave_type`
[INFO] [stdout]    --> src/solutions/day22.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_cave_type(
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_erosion_level`
[INFO] [stdout]    --> src/solutions/day22.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn get_erosion_level(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `estimate_cost`
[INFO] [stdout]    --> src/solutions/day22.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn estimate_cost(position: Coords, cur_tool: u8, target_pos: Coords) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardStart`
[INFO] [stdout]  --> src/solutions/day4.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     GuardStart,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardSleep`
[INFO] [stdout]  --> src/solutions/day4.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     GuardSleep,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GuardWake`
[INFO] [stdout]  --> src/solutions/day4.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     GuardWake,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day4.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_log_from_line`
[INFO] [stdout]    --> src/solutions/day4.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn parse_log_from_line(line: &str) -> GuardLog {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_log_type_from_message`
[INFO] [stdout]    --> src/solutions/day4.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn parse_log_type_from_message(message: &str) -> (GuardLogType, u32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day5.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `react_string`
[INFO] [stdout]   --> src/solutions/day5.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn react_string(line: Vec<u8>) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dist_to`
[INFO] [stdout]   --> src/solutions/day6.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn dist_to(&self, other_x: u16, other_y: u16) -> u16 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day6.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_point`
[INFO] [stdout]    --> src/solutions/day6.rs:101:4
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn parse_point(line: &str, index: u16) -> FillPoint {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `node_cost`
[INFO] [stdout]    --> src/solutions/day7.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn node_cost(node: &char) -> u16 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]  --> src/solutions/day8.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_metadata_rec`
[INFO] [stdout]   --> src/solutions/day8.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn sum_metadata_rec(tree_data: &mut VecDeque<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_node_value`
[INFO] [stdout]   --> src/solutions/day8.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn get_node_value(tree_data: &mut VecDeque<u32>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/solutions/day9.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `reg_pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day16.rs:92:20
[INFO] [stdout]    |
[INFO] [stdout] 92 |         static ref reg_pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `REG_PATTERN`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day17.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |         static ref pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `pattern` should have an upper case name
[INFO] [stdout]   --> src/solutions/day23.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |         static ref pattern: Regex =
[INFO] [stdout]    |                    ^^^^^^^ help: convert the identifier to upper case: `PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `log_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day4.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |         static ref log_pattern: Regex = Regex::new(r"^\[(.*?)\] (.*)$").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `LOG_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `message_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day4.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |             static ref message_pattern: Regex = Regex::new(r"Guard #(\d+) begins").unwrap();
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MESSAGE_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `point_pattern` should have an upper case name
[INFO] [stdout]    --> src/solutions/day6.rs:103:20
[INFO] [stdout]     |
[INFO] [stdout] 103 |         static ref point_pattern: Regex = Regex::new(r"^(\d+), (\d+)$").unwrap();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `POINT_PATTERN`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 150 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "06a536a2d46da8bf93a9df5bba8d0b4060a00a691b9b29650c0090e37cd42992", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06a536a2d46da8bf93a9df5bba8d0b4060a00a691b9b29650c0090e37cd42992", kill_on_drop: false }`
[INFO] [stdout] 06a536a2d46da8bf93a9df5bba8d0b4060a00a691b9b29650c0090e37cd42992