Dec 18 00:53:56.190 INFO checking efrees/adventofcode2018 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 00:53:56.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/efrees/adventofcode2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 00:53:56.487 INFO [stdout] 90e13c0eb21f3c6f7ea7a1bcaf3cd7e212ddd336502399d9eda0d11d82f9a890
Dec 18 00:53:56.489 INFO running `"docker" "start" "-a" "90e13c0eb21f3c6f7ea7a1bcaf3cd7e212ddd336502399d9eda0d11d82f9a890"`
Dec 18 00:53:58.025 INFO [stderr]     Checking advent_2018 v0.1.0 (/opt/crater/workdir)
Dec 18 00:53:59.756 INFO [stderr] warning: unused variable: `i`
Dec 18 00:53:59.756 INFO [stderr]   --> src/solutions/day16.rs:63:32
Dec 18 00:53:59.756 INFO [stderr]    |
Dec 18 00:53:59.756 INFO [stderr] 63 |                     .filter(|&(i, set)| set.len() == 1)
Dec 18 00:53:59.756 INFO [stderr]    |                                ^ help: consider using `_i` instead
Dec 18 00:53:59.756 INFO [stderr]    |
Dec 18 00:53:59.756 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:53:59.756 INFO [stderr] 
Dec 18 00:53:59.964 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.964 INFO [stderr]  --> src/solutions/day1.rs:3:1
Dec 18 00:53:59.964 INFO [stderr]   |
Dec 18 00:53:59.964 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:53:59.964 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.968 INFO [stderr]   |
Dec 18 00:53:59.969 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:53:59.969 INFO [stderr] 
Dec 18 00:53:59.969 INFO [stderr] warning: struct is never constructed: `Point`
Dec 18 00:53:59.969 INFO [stderr]  --> src/solutions/day10.rs:4:1
Dec 18 00:53:59.969 INFO [stderr]   |
Dec 18 00:53:59.970 INFO [stderr] 4 | struct Point(i32, i32);
Dec 18 00:53:59.970 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: struct is never constructed: `PointWithVelocity`
Dec 18 00:53:59.970 INFO [stderr]  --> src/solutions/day10.rs:6:1
Dec 18 00:53:59.970 INFO [stderr]   |
Dec 18 00:53:59.970 INFO [stderr] 6 | struct PointWithVelocity {
Dec 18 00:53:59.970 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day10.rs:11:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 11 | pub fn solve() {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `print_point_section`
Dec 18 00:53:59.970 INFO [stderr]    --> src/solutions/day10.rs:77:1
Dec 18 00:53:59.970 INFO [stderr]     |
Dec 18 00:53:59.970 INFO [stderr] 77  | / fn print_point_section(
Dec 18 00:53:59.970 INFO [stderr] 78  | |     min_x: i32,
Dec 18 00:53:59.970 INFO [stderr] 79  | |     min_y: i32,
Dec 18 00:53:59.970 INFO [stderr] 80  | |     max_x: i32,
Dec 18 00:53:59.970 INFO [stderr] ...   |
Dec 18 00:53:59.970 INFO [stderr] 99  | |     }
Dec 18 00:53:59.970 INFO [stderr] 100 | | }
Dec 18 00:53:59.970 INFO [stderr]     | |_^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.970 INFO [stderr]  --> src/solutions/day11.rs:1:1
Dec 18 00:53:59.970 INFO [stderr]   |
Dec 18 00:53:59.970 INFO [stderr] 1 | pub fn solve() {
Dec 18 00:53:59.970 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `power_level`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day11.rs:85:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 85 | fn power_level(x: i32, y: i32, serial_number: i32) -> i32 {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `print_grid`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day11.rs:95:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 95 | fn print_grid(grid: &Vec<Vec<i32>>) {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.970 INFO [stderr]  --> src/solutions/day12.rs:3:1
Dec 18 00:53:59.970 INFO [stderr]   |
Dec 18 00:53:59.970 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:53:59.970 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `parse_rule`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day12.rs:80:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 80 | fn parse_rule(line: &String) -> ((bool, bool, bool, bool, bool), bool) {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `print_result`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day12.rs:96:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 96 | fn print_result(next_config: &Vec<&bool>, zero_offset: i64, generation: i64) {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.970 INFO [stderr]  --> src/solutions/day13.rs:4:1
Dec 18 00:53:59.970 INFO [stderr]   |
Dec 18 00:53:59.970 INFO [stderr] 4 | pub fn solve() {
Dec 18 00:53:59.970 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `parse_grid`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day13.rs:50:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<RailType>> {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `initiate_carts`
Dec 18 00:53:59.970 INFO [stderr]   --> src/solutions/day13.rs:71:1
Dec 18 00:53:59.970 INFO [stderr]    |
Dec 18 00:53:59.970 INFO [stderr] 71 | fn initiate_carts(lines: &Vec<String>) -> Vec<Cart> {
Dec 18 00:53:59.970 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: function is never used: `move_cart_on_grid`
Dec 18 00:53:59.970 INFO [stderr]    --> src/solutions/day13.rs:112:1
Dec 18 00:53:59.970 INFO [stderr]     |
Dec 18 00:53:59.970 INFO [stderr] 112 | fn move_cart_on_grid(cart: &mut Cart, grid: &Vec<Vec<RailType>>) {
Dec 18 00:53:59.970 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.970 INFO [stderr] 
Dec 18 00:53:59.970 INFO [stderr] warning: variant is never constructed: `Up`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:139:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 139 |     Up,
Dec 18 00:53:59.971 INFO [stderr]     |     ^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: variant is never constructed: `Down`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:140:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 140 |     Down,
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: variant is never constructed: `Left`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:141:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 141 |     Left,
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: variant is never constructed: `Right`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:142:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 142 |     Right,
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `as_vector`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:146:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 146 |     fn as_vector(&self) -> Point {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `is_horizontal`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:155:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 155 |     fn is_horizontal(&self) -> bool {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `is_vertical`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:159:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 159 |     fn is_vertical(&self) -> bool {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `turn_corner`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:163:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 163 |     fn turn_corner(&self, c_type: char) -> Direction {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `turn_left`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:176:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 176 |     fn turn_left(&self) -> Direction {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: method is never used: `turn_right`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:185:5
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 185 |     fn turn_right(&self) -> Direction {
Dec 18 00:53:59.971 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: struct is never constructed: `Cart`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:196:1
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 196 | struct Cart {
Dec 18 00:53:59.971 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: enum is never used: `RailType`
Dec 18 00:53:59.971 INFO [stderr]    --> src/solutions/day13.rs:203:1
Dec 18 00:53:59.971 INFO [stderr]     |
Dec 18 00:53:59.971 INFO [stderr] 203 | enum RailType {
Dec 18 00:53:59.971 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.971 INFO [stderr]  --> src/solutions/day14.rs:1:1
Dec 18 00:53:59.971 INFO [stderr]   |
Dec 18 00:53:59.971 INFO [stderr] 1 | pub fn solve() {
Dec 18 00:53:59.971 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: function is never used: `build_recipes_to`
Dec 18 00:53:59.971 INFO [stderr]   --> src/solutions/day14.rs:40:1
Dec 18 00:53:59.971 INFO [stderr]    |
Dec 18 00:53:59.971 INFO [stderr] 40 | / fn build_recipes_to(
Dec 18 00:53:59.971 INFO [stderr] 41 | |     recipes: &mut Vec<u8>,
Dec 18 00:53:59.971 INFO [stderr] 42 | |     target_count: usize,
Dec 18 00:53:59.971 INFO [stderr] 43 | |     elf_positions: &mut (usize, usize),
Dec 18 00:53:59.971 INFO [stderr] ...  |
Dec 18 00:53:59.971 INFO [stderr] 66 | |     elf_positions.1 = second_elf;
Dec 18 00:53:59.971 INFO [stderr] 67 | | }
Dec 18 00:53:59.971 INFO [stderr]    | |_^
Dec 18 00:53:59.971 INFO [stderr] 
Dec 18 00:53:59.971 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.971 INFO [stderr]  --> src/solutions/day2.rs:3:1
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:53:59.972 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.972 INFO [stderr]  --> src/solutions/day3.rs:4:1
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 4 | pub fn solve() {
Dec 18 00:53:59.972 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: variant is never constructed: `GuardStart`
Dec 18 00:53:59.972 INFO [stderr]  --> src/solutions/day4.rs:7:5
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 7 |     GuardStart,
Dec 18 00:53:59.972 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: variant is never constructed: `GuardSleep`
Dec 18 00:53:59.972 INFO [stderr]  --> src/solutions/day4.rs:8:5
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 8 |     GuardSleep,
Dec 18 00:53:59.972 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: variant is never constructed: `GuardWake`
Dec 18 00:53:59.972 INFO [stderr]  --> src/solutions/day4.rs:9:5
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 9 |     GuardWake,
Dec 18 00:53:59.972 INFO [stderr]   |     ^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: struct is never constructed: `GuardLog`
Dec 18 00:53:59.972 INFO [stderr]   --> src/solutions/day4.rs:13:1
Dec 18 00:53:59.972 INFO [stderr]    |
Dec 18 00:53:59.972 INFO [stderr] 13 | struct GuardLog {
Dec 18 00:53:59.972 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.972 INFO [stderr]   --> src/solutions/day4.rs:19:1
Dec 18 00:53:59.972 INFO [stderr]    |
Dec 18 00:53:59.972 INFO [stderr] 19 | pub fn solve() {
Dec 18 00:53:59.972 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `parse_log_from_line`
Dec 18 00:53:59.972 INFO [stderr]    --> src/solutions/day4.rs:102:1
Dec 18 00:53:59.972 INFO [stderr]     |
Dec 18 00:53:59.972 INFO [stderr] 102 | fn parse_log_from_line(line: &str) -> GuardLog {
Dec 18 00:53:59.972 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `parse_log_type_from_message`
Dec 18 00:53:59.972 INFO [stderr]    --> src/solutions/day4.rs:118:1
Dec 18 00:53:59.972 INFO [stderr]     |
Dec 18 00:53:59.972 INFO [stderr] 118 | fn parse_log_type_from_message(message: &str) -> (GuardLogType, u32) {
Dec 18 00:53:59.972 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.972 INFO [stderr]  --> src/solutions/day5.rs:3:1
Dec 18 00:53:59.972 INFO [stderr]   |
Dec 18 00:53:59.972 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:53:59.972 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `react_string`
Dec 18 00:53:59.972 INFO [stderr]   --> src/solutions/day5.rs:32:1
Dec 18 00:53:59.972 INFO [stderr]    |
Dec 18 00:53:59.972 INFO [stderr] 32 | fn react_string(line: Vec<u8>) -> Vec<u8> {
Dec 18 00:53:59.972 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: method is never used: `dist_to`
Dec 18 00:53:59.972 INFO [stderr]   --> src/solutions/day6.rs:22:5
Dec 18 00:53:59.972 INFO [stderr]    |
Dec 18 00:53:59.972 INFO [stderr] 22 |     fn dist_to(&self, other_x: u16, other_y: u16) -> u16 {
Dec 18 00:53:59.972 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.972 INFO [stderr] 
Dec 18 00:53:59.972 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.972 INFO [stderr]   --> src/solutions/day6.rs:28:1
Dec 18 00:53:59.972 INFO [stderr]    |
Dec 18 00:53:59.972 INFO [stderr] 28 | pub fn solve() {
Dec 18 00:53:59.972 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `parse_point`
Dec 18 00:53:59.973 INFO [stderr]    --> src/solutions/day6.rs:101:1
Dec 18 00:53:59.973 INFO [stderr]     |
Dec 18 00:53:59.973 INFO [stderr] 101 | fn parse_point(line: &str, index: u16) -> FillPoint {
Dec 18 00:53:59.973 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.973 INFO [stderr]  --> src/solutions/day7.rs:6:1
Dec 18 00:53:59.973 INFO [stderr]   |
Dec 18 00:53:59.973 INFO [stderr] 6 | pub fn solve() {
Dec 18 00:53:59.973 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `node_cost`
Dec 18 00:53:59.973 INFO [stderr]    --> src/solutions/day7.rs:128:1
Dec 18 00:53:59.973 INFO [stderr]     |
Dec 18 00:53:59.973 INFO [stderr] 128 | fn node_cost(node: &char) -> u16 {
Dec 18 00:53:59.973 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.973 INFO [stderr]  --> src/solutions/day8.rs:6:1
Dec 18 00:53:59.973 INFO [stderr]   |
Dec 18 00:53:59.973 INFO [stderr] 6 | pub fn solve() {
Dec 18 00:53:59.973 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `sum_metadata_rec`
Dec 18 00:53:59.973 INFO [stderr]   --> src/solutions/day8.rs:25:1
Dec 18 00:53:59.973 INFO [stderr]    |
Dec 18 00:53:59.973 INFO [stderr] 25 | fn sum_metadata_rec(tree_data: &mut VecDeque<u32>) -> u32 {
Dec 18 00:53:59.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `get_node_value`
Dec 18 00:53:59.973 INFO [stderr]   --> src/solutions/day8.rs:39:1
Dec 18 00:53:59.973 INFO [stderr]    |
Dec 18 00:53:59.973 INFO [stderr] 39 | fn get_node_value(tree_data: &mut VecDeque<u32>) -> u32 {
Dec 18 00:53:59.973 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:53:59.973 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:53:59.973 INFO [stderr]   --> src/solutions/day9.rs:15:1
Dec 18 00:53:59.973 INFO [stderr]    |
Dec 18 00:53:59.973 INFO [stderr] 15 | pub fn solve() {
Dec 18 00:53:59.973 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:53:59.973 INFO [stderr] 
Dec 18 00:54:00.002 INFO [stderr] warning: unused variable: `i`
Dec 18 00:54:00.003 INFO [stderr]   --> src/solutions/day16.rs:63:32
Dec 18 00:54:00.003 INFO [stderr]    |
Dec 18 00:54:00.003 INFO [stderr] 63 |                     .filter(|&(i, set)| set.len() == 1)
Dec 18 00:54:00.003 INFO [stderr]    |                                ^ help: consider using `_i` instead
Dec 18 00:54:00.003 INFO [stderr]    |
Dec 18 00:54:00.003 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 00:54:00.003 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.233 INFO [stderr]  --> src/solutions/day1.rs:3:1
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:54:00.233 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: struct is never constructed: `Point`
Dec 18 00:54:00.233 INFO [stderr]  --> src/solutions/day10.rs:4:1
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr] 4 | struct Point(i32, i32);
Dec 18 00:54:00.233 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: struct is never constructed: `PointWithVelocity`
Dec 18 00:54:00.233 INFO [stderr]  --> src/solutions/day10.rs:6:1
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr] 6 | struct PointWithVelocity {
Dec 18 00:54:00.233 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.233 INFO [stderr]   --> src/solutions/day10.rs:11:1
Dec 18 00:54:00.233 INFO [stderr]    |
Dec 18 00:54:00.233 INFO [stderr] 11 | pub fn solve() {
Dec 18 00:54:00.233 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `print_point_section`
Dec 18 00:54:00.233 INFO [stderr]    --> src/solutions/day10.rs:77:1
Dec 18 00:54:00.233 INFO [stderr]     |
Dec 18 00:54:00.233 INFO [stderr] 77  | / fn print_point_section(
Dec 18 00:54:00.233 INFO [stderr] 78  | |     min_x: i32,
Dec 18 00:54:00.233 INFO [stderr] 79  | |     min_y: i32,
Dec 18 00:54:00.233 INFO [stderr] 80  | |     max_x: i32,
Dec 18 00:54:00.233 INFO [stderr] ...   |
Dec 18 00:54:00.233 INFO [stderr] 99  | |     }
Dec 18 00:54:00.233 INFO [stderr] 100 | | }
Dec 18 00:54:00.233 INFO [stderr]     | |_^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.233 INFO [stderr]  --> src/solutions/day11.rs:1:1
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr] 1 | pub fn solve() {
Dec 18 00:54:00.233 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `power_level`
Dec 18 00:54:00.233 INFO [stderr]   --> src/solutions/day11.rs:85:1
Dec 18 00:54:00.233 INFO [stderr]    |
Dec 18 00:54:00.233 INFO [stderr] 85 | fn power_level(x: i32, y: i32, serial_number: i32) -> i32 {
Dec 18 00:54:00.233 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `print_grid`
Dec 18 00:54:00.233 INFO [stderr]   --> src/solutions/day11.rs:95:1
Dec 18 00:54:00.233 INFO [stderr]    |
Dec 18 00:54:00.233 INFO [stderr] 95 | fn print_grid(grid: &Vec<Vec<i32>>) {
Dec 18 00:54:00.233 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.233 INFO [stderr]  --> src/solutions/day12.rs:3:1
Dec 18 00:54:00.233 INFO [stderr]   |
Dec 18 00:54:00.233 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:54:00.233 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.233 INFO [stderr] 
Dec 18 00:54:00.233 INFO [stderr] warning: function is never used: `parse_rule`
Dec 18 00:54:00.233 INFO [stderr]   --> src/solutions/day12.rs:80:1
Dec 18 00:54:00.233 INFO [stderr]    |
Dec 18 00:54:00.233 INFO [stderr] 80 | fn parse_rule(line: &String) -> ((bool, bool, bool, bool, bool), bool) {
Dec 18 00:54:00.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: function is never used: `print_result`
Dec 18 00:54:00.234 INFO [stderr]   --> src/solutions/day12.rs:96:1
Dec 18 00:54:00.234 INFO [stderr]    |
Dec 18 00:54:00.234 INFO [stderr] 96 | fn print_result(next_config: &Vec<&bool>, zero_offset: i64, generation: i64) {
Dec 18 00:54:00.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.234 INFO [stderr]  --> src/solutions/day13.rs:4:1
Dec 18 00:54:00.234 INFO [stderr]   |
Dec 18 00:54:00.234 INFO [stderr] 4 | pub fn solve() {
Dec 18 00:54:00.234 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: function is never used: `parse_grid`
Dec 18 00:54:00.234 INFO [stderr]   --> src/solutions/day13.rs:50:1
Dec 18 00:54:00.234 INFO [stderr]    |
Dec 18 00:54:00.234 INFO [stderr] 50 | fn parse_grid(lines: &Vec<String>) -> Vec<Vec<RailType>> {
Dec 18 00:54:00.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: function is never used: `initiate_carts`
Dec 18 00:54:00.234 INFO [stderr]   --> src/solutions/day13.rs:71:1
Dec 18 00:54:00.234 INFO [stderr]    |
Dec 18 00:54:00.234 INFO [stderr] 71 | fn initiate_carts(lines: &Vec<String>) -> Vec<Cart> {
Dec 18 00:54:00.234 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: function is never used: `move_cart_on_grid`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:112:1
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 112 | fn move_cart_on_grid(cart: &mut Cart, grid: &Vec<Vec<RailType>>) {
Dec 18 00:54:00.234 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: variant is never constructed: `Up`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:139:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 139 |     Up,
Dec 18 00:54:00.234 INFO [stderr]     |     ^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: variant is never constructed: `Down`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:140:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 140 |     Down,
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: variant is never constructed: `Left`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:141:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 141 |     Left,
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: variant is never constructed: `Right`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:142:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 142 |     Right,
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `as_vector`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:146:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 146 |     fn as_vector(&self) -> Point {
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `is_horizontal`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:155:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 155 |     fn is_horizontal(&self) -> bool {
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `is_vertical`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:159:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 159 |     fn is_vertical(&self) -> bool {
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `turn_corner`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:163:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 163 |     fn turn_corner(&self, c_type: char) -> Direction {
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `turn_left`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:176:5
Dec 18 00:54:00.234 INFO [stderr]     |
Dec 18 00:54:00.234 INFO [stderr] 176 |     fn turn_left(&self) -> Direction {
Dec 18 00:54:00.234 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.234 INFO [stderr] 
Dec 18 00:54:00.234 INFO [stderr] warning: method is never used: `turn_right`
Dec 18 00:54:00.234 INFO [stderr]    --> src/solutions/day13.rs:185:5
Dec 18 00:54:00.235 INFO [stderr]     |
Dec 18 00:54:00.235 INFO [stderr] 185 |     fn turn_right(&self) -> Direction {
Dec 18 00:54:00.235 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: struct is never constructed: `Cart`
Dec 18 00:54:00.235 INFO [stderr]    --> src/solutions/day13.rs:196:1
Dec 18 00:54:00.235 INFO [stderr]     |
Dec 18 00:54:00.235 INFO [stderr] 196 | struct Cart {
Dec 18 00:54:00.235 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: enum is never used: `RailType`
Dec 18 00:54:00.235 INFO [stderr]    --> src/solutions/day13.rs:203:1
Dec 18 00:54:00.235 INFO [stderr]     |
Dec 18 00:54:00.235 INFO [stderr] 203 | enum RailType {
Dec 18 00:54:00.235 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day14.rs:1:1
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 1 | pub fn solve() {
Dec 18 00:54:00.235 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `build_recipes_to`
Dec 18 00:54:00.235 INFO [stderr]   --> src/solutions/day14.rs:40:1
Dec 18 00:54:00.235 INFO [stderr]    |
Dec 18 00:54:00.235 INFO [stderr] 40 | / fn build_recipes_to(
Dec 18 00:54:00.235 INFO [stderr] 41 | |     recipes: &mut Vec<u8>,
Dec 18 00:54:00.235 INFO [stderr] 42 | |     target_count: usize,
Dec 18 00:54:00.235 INFO [stderr] 43 | |     elf_positions: &mut (usize, usize),
Dec 18 00:54:00.235 INFO [stderr] ...  |
Dec 18 00:54:00.235 INFO [stderr] 66 | |     elf_positions.1 = second_elf;
Dec 18 00:54:00.235 INFO [stderr] 67 | | }
Dec 18 00:54:00.235 INFO [stderr]    | |_^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day2.rs:3:1
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:54:00.235 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day3.rs:4:1
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 4 | pub fn solve() {
Dec 18 00:54:00.235 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: variant is never constructed: `GuardStart`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day4.rs:7:5
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 7 |     GuardStart,
Dec 18 00:54:00.235 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: variant is never constructed: `GuardSleep`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day4.rs:8:5
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 8 |     GuardSleep,
Dec 18 00:54:00.235 INFO [stderr]   |     ^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: variant is never constructed: `GuardWake`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day4.rs:9:5
Dec 18 00:54:00.235 INFO [stderr]   |
Dec 18 00:54:00.235 INFO [stderr] 9 |     GuardWake,
Dec 18 00:54:00.235 INFO [stderr]   |     ^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: struct is never constructed: `GuardLog`
Dec 18 00:54:00.235 INFO [stderr]   --> src/solutions/day4.rs:13:1
Dec 18 00:54:00.235 INFO [stderr]    |
Dec 18 00:54:00.235 INFO [stderr] 13 | struct GuardLog {
Dec 18 00:54:00.235 INFO [stderr]    | ^^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.235 INFO [stderr]   --> src/solutions/day4.rs:19:1
Dec 18 00:54:00.235 INFO [stderr]    |
Dec 18 00:54:00.235 INFO [stderr] 19 | pub fn solve() {
Dec 18 00:54:00.235 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `parse_log_from_line`
Dec 18 00:54:00.235 INFO [stderr]    --> src/solutions/day4.rs:102:1
Dec 18 00:54:00.235 INFO [stderr]     |
Dec 18 00:54:00.235 INFO [stderr] 102 | fn parse_log_from_line(line: &str) -> GuardLog {
Dec 18 00:54:00.235 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `parse_log_type_from_message`
Dec 18 00:54:00.235 INFO [stderr]    --> src/solutions/day4.rs:118:1
Dec 18 00:54:00.235 INFO [stderr]     |
Dec 18 00:54:00.235 INFO [stderr] 118 | fn parse_log_type_from_message(message: &str) -> (GuardLogType, u32) {
Dec 18 00:54:00.235 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.235 INFO [stderr] 
Dec 18 00:54:00.235 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.235 INFO [stderr]  --> src/solutions/day5.rs:3:1
Dec 18 00:54:00.236 INFO [stderr]   |
Dec 18 00:54:00.236 INFO [stderr] 3 | pub fn solve() {
Dec 18 00:54:00.236 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.236 INFO [stderr] 
Dec 18 00:54:00.236 INFO [stderr] warning: function is never used: `react_string`
Dec 18 00:54:00.236 INFO [stderr]   --> src/solutions/day5.rs:32:1
Dec 18 00:54:00.236 INFO [stderr]    |
Dec 18 00:54:00.236 INFO [stderr] 32 | fn react_string(line: Vec<u8>) -> Vec<u8> {
Dec 18 00:54:00.236 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.236 INFO [stderr] 
Dec 18 00:54:00.236 INFO [stderr] warning: method is never used: `dist_to`
Dec 18 00:54:00.236 INFO [stderr]   --> src/solutions/day6.rs:22:5
Dec 18 00:54:00.236 INFO [stderr]    |
Dec 18 00:54:00.236 INFO [stderr] 22 |     fn dist_to(&self, other_x: u16, other_y: u16) -> u16 {
Dec 18 00:54:00.236 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.236 INFO [stderr] 
Dec 18 00:54:00.236 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.236 INFO [stderr]   --> src/solutions/day6.rs:28:1
Dec 18 00:54:00.236 INFO [stderr]    |
Dec 18 00:54:00.236 INFO [stderr] 28 | pub fn solve() {
Dec 18 00:54:00.236 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:54:00.236 INFO [stderr] 
Dec 18 00:54:00.236 INFO [stderr] warning: function is never used: `parse_point`
Dec 18 00:54:00.236 INFO [stderr]    --> src/solutions/day6.rs:101:1
Dec 18 00:54:00.236 INFO [stderr]     |
Dec 18 00:54:00.236 INFO [stderr] 101 | fn parse_point(line: &str, index: u16) -> FillPoint {
Dec 18 00:54:00.236 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.236 INFO [stderr] 
Dec 18 00:54:00.236 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.236 INFO [stderr]  --> src/solutions/day7.rs:6:1
Dec 18 00:54:00.240 INFO [stderr]   |
Dec 18 00:54:00.240 INFO [stderr] 6 | pub fn solve() {
Dec 18 00:54:00.240 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.240 INFO [stderr] warning: function is never used: `node_cost`
Dec 18 00:54:00.240 INFO [stderr]    --> src/solutions/day7.rs:128:1
Dec 18 00:54:00.240 INFO [stderr]     |
Dec 18 00:54:00.240 INFO [stderr] 128 | fn node_cost(node: &char) -> u16 {
Dec 18 00:54:00.240 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.240 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.240 INFO [stderr]  --> src/solutions/day8.rs:6:1
Dec 18 00:54:00.240 INFO [stderr]   |
Dec 18 00:54:00.240 INFO [stderr] 6 | pub fn solve() {
Dec 18 00:54:00.240 INFO [stderr]   | ^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.240 INFO [stderr] warning: function is never used: `sum_metadata_rec`
Dec 18 00:54:00.240 INFO [stderr]   --> src/solutions/day8.rs:25:1
Dec 18 00:54:00.240 INFO [stderr]    |
Dec 18 00:54:00.240 INFO [stderr] 25 | fn sum_metadata_rec(tree_data: &mut VecDeque<u32>) -> u32 {
Dec 18 00:54:00.240 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.240 INFO [stderr] warning: function is never used: `get_node_value`
Dec 18 00:54:00.240 INFO [stderr]   --> src/solutions/day8.rs:39:1
Dec 18 00:54:00.240 INFO [stderr]    |
Dec 18 00:54:00.240 INFO [stderr] 39 | fn get_node_value(tree_data: &mut VecDeque<u32>) -> u32 {
Dec 18 00:54:00.240 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.240 INFO [stderr] warning: function is never used: `solve`
Dec 18 00:54:00.240 INFO [stderr]   --> src/solutions/day9.rs:15:1
Dec 18 00:54:00.240 INFO [stderr]    |
Dec 18 00:54:00.240 INFO [stderr] 15 | pub fn solve() {
Dec 18 00:54:00.240 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 18 00:54:00.240 INFO [stderr] 
Dec 18 00:54:00.278 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
Dec 18 00:54:00.766 INFO running `"docker" "inspect" "90e13c0eb21f3c6f7ea7a1bcaf3cd7e212ddd336502399d9eda0d11d82f9a890"`
Dec 18 00:54:01.050 INFO running `"docker" "rm" "-f" "90e13c0eb21f3c6f7ea7a1bcaf3cd7e212ddd336502399d9eda0d11d82f9a890"`
Dec 18 00:54:01.328 INFO [stdout] 90e13c0eb21f3c6f7ea7a1bcaf3cd7e212ddd336502399d9eda0d11d82f9a890