[INFO] cloning repository https://github.com/kojilin/advent_of_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kojilin/advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojilin%2Fadvent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojilin%2Fadvent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 952a8c94185934d02e2b5703128b0034665efef5
[INFO] checking kojilin/advent_of_code against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkojilin%2Fadvent_of_code" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kojilin/advent_of_code on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kojilin/advent_of_code
[INFO] finished tweaking git repo https://github.com/kojilin/advent_of_code
[INFO] tweaked toml for git repo https://github.com/kojilin/advent_of_code written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kojilin/advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1e540f56167541798a9778da064c0419c2cf7577a898105a9fbcba03faf40657
[INFO] running `Command { std: "docker" "start" "-a" "1e540f56167541798a9778da064c0419c2cf7577a898105a9fbcba03faf40657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e540f56167541798a9778da064c0419c2cf7577a898105a9fbcba03faf40657", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e540f56167541798a9778da064c0419c2cf7577a898105a9fbcba03faf40657", kill_on_drop: false }`
[INFO] [stdout] 1e540f56167541798a9778da064c0419c2cf7577a898105a9fbcba03faf40657
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 001544ec569f30272652d4b7e0394314792a5df5baae506f3ee0ce21eb5d8dbd
[INFO] running `Command { std: "docker" "start" "-a" "001544ec569f30272652d4b7e0394314792a5df5baae506f3ee0ce21eb5d8dbd", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/solutions/year_2020/day23.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/solutions/year_2020/day23.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/solutions/year_2020/day23.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         ;
[INFO] [stdout]     |         ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `insert_index` is never read
[INFO] [stdout]   --> src/solutions/year_2020/day23.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut insert_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day1`
[INFO] [stdout]  --> src/solutions/year_2020/day1.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day1() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day1_2`
[INFO] [stdout]   --> src/solutions/year_2020/day1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn solve_day1_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/solutions/year_2020/day1.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solution(numbers: Vec<i64>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/solutions/year_2020/day1.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn solution2(numbers: Vec<i64>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_by_count`
[INFO] [stdout]   --> src/solutions/year_2020/day2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn is_valid_by_count(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_by_position`
[INFO] [stdout]   --> src/solutions/year_2020/day2.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn is_valid_by_position(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day2`
[INFO] [stdout]   --> src/solutions/year_2020/day2.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn solve_day2(valid_function: fn(&Input) -> bool) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/solutions/year_2020/day2.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn solution(inputs: &Vec<Input>, is_valid: fn(&Input) -> bool) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day3`
[INFO] [stdout]  --> src/solutions/year_2020/day3.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day3(x_pattern: usize, y_pattern: usize) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day4`
[INFO] [stdout]  --> src/solutions/year_2020/day4.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn solve_day4(rules: &Vec<Rule>) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rule`
[INFO] [stdout]   --> src/solutions/year_2020/day4.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct Rule {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid`
[INFO] [stdout]   --> src/solutions/year_2020/day4.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn is_valid(passport: &HashMap<String, String>, rules: &Vec<Rule>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day5`
[INFO] [stdout]  --> src/solutions/year_2020/day5.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day5() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day5_2`
[INFO] [stdout]   --> src/solutions/year_2020/day5.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_day5_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/solutions/year_2020/day5.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn solution1(seat: &str) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_value`
[INFO] [stdout]   --> src/solutions/year_2020/day5.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn find_value(min: i64, max: i64, input: &str, small_half: char) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day6`
[INFO] [stdout]  --> src/solutions/year_2020/day6.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day6() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day7_1`
[INFO] [stdout]   --> src/solutions/year_2020/day7.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn solve_day7_1() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dfs`
[INFO] [stdout]   --> src/solutions/year_2020/day7.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn dfs(current: &str, edges: &HashMap<String, Vec<Edge>>, dp: &mut HashSet<String>) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day7_2`
[INFO] [stdout]   --> src/solutions/year_2020/day7.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solve_day7_2() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dfs2`
[INFO] [stdout]   --> src/solutions/year_2020/day7.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn dfs2(current: &str, edges: &HashMap<String, Vec<Edge>>, dp: &mut HashMap<String, usize>) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create`
[INFO] [stdout]   --> src/solutions/year_2020/day8.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn create() -> Context {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]   --> src/solutions/year_2020/day8.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn parse(raw_operation: &str, argument: i64) -> Box<dyn Instruction> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day8_1`
[INFO] [stdout]   --> src/solutions/year_2020/day8.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn solve_day8_1() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution1`
[INFO] [stdout]   --> src/solutions/year_2020/day8.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn solution1(instructions: &mut Vec<Box<dyn Instruction>>) -> Context {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day8_2`
[INFO] [stdout]    --> src/solutions/year_2020/day8.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn solve_day8_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]    --> src/solutions/year_2020/day8.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn solution2(instructions: &mut Vec<Box<dyn Instruction>>) -> Context {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day9_1`
[INFO] [stdout]  --> src/solutions/year_2020/day9.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day9_1() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day9_2`
[INFO] [stdout]   --> src/solutions/year_2020/day9.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn solve_day9_2(target: i64) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day10`
[INFO] [stdout]  --> src/solutions/year_2020/day10.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day10() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day10_2`
[INFO] [stdout]   --> src/solutions/year_2020/day10.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn solve_day10_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day11`
[INFO] [stdout]  --> src/solutions/year_2020/day11.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day11() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase_adjacent`
[INFO] [stdout]   --> src/solutions/year_2020/day11.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn increase_adjacent(count: &mut Vec<Vec<i32>>, next_c: &mut Vec<Vec<i32>>, y: usize, x: usize, diff: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day11_2`
[INFO] [stdout]   --> src/solutions/year_2020/day11.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn solve_day11_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase_adjacent2`
[INFO] [stdout]    --> src/solutions/year_2020/day11.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn increase_adjacent2(next_c: &mut Vec<Vec<i32>>, relations: &HashMap<(usize, usize), HashSet<(i64, i64)>>, y: usize, x: usize, diff: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day12`
[INFO] [stdout]  --> src/solutions/year_2020/day12.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day12() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day12_2`
[INFO] [stdout]   --> src/solutions/year_2020/day12.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn solve_day12_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day13`
[INFO] [stdout]  --> src/solutions/year_2020/day13.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day13() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day13_2`
[INFO] [stdout]   --> src/solutions/year_2020/day13.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn solve_day13_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day14`
[INFO] [stdout]  --> src/solutions/year_2020/day14.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn solve_day14() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mask_value`
[INFO] [stdout]   --> src/solutions/year_2020/day14.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn mask_value(mask: &Vec<char>, value: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day14_2`
[INFO] [stdout]   --> src/solutions/year_2020/day14.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn solve_day14_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mask_value_2`
[INFO] [stdout]   --> src/solutions/year_2020/day14.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn mask_value_2(mask: &Vec<char>, address: i64) -> Vec<i64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day15`
[INFO] [stdout]  --> src/solutions/year_2020/day15.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn solve_day15(input: Vec<usize>, turn: usize) -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day16`
[INFO] [stdout]  --> src/solutions/year_2020/day16.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn solve_day16() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day16_2`
[INFO] [stdout]   --> src/solutions/year_2020/day16.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn solve_day16_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day17`
[INFO] [stdout]  --> src/solutions/year_2020/day17.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day17() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_neighbor`
[INFO] [stdout]    --> src/solutions/year_2020/day17.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn count_neighbor(areas: &Vec<Vec<Vec<bool>>>, center_z: i64, center_y: i64, center_x: i64) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `neighbors`
[INFO] [stdout]    --> src/solutions/year_2020/day17.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn neighbors(upper: i64, center: i64) -> Vec<i64> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_empty`
[INFO] [stdout]    --> src/solutions/year_2020/day17.rs:126:4
[INFO] [stdout]     |
[INFO] [stdout] 126 | fn is_empty(area: &Vec<Vec<bool>>) -> bool {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_active`
[INFO] [stdout]    --> src/solutions/year_2020/day17.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn count_active(area: &Vec<Vec<bool>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day17_2`
[INFO] [stdout]    --> src/solutions/year_2020/day17.rs:137:4
[INFO] [stdout]     |
[INFO] [stdout] 137 | fn solve_day17_2() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day18`
[INFO] [stdout]  --> src/solutions/year_2020/day18.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn solve_day18() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Operator`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:16:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn calculate(cursor: &mut usize, chars: &Vec<char>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `skip_space`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn skip_space(cursor: &mut usize, chars: &Vec<char>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_digit`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn read_digit(cursor: &mut usize, chars: &Vec<char>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day18_2`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn solve_day18_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `calculate_2`
[INFO] [stdout]   --> src/solutions/year_2020/day18.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn calculate_2(cursor: &mut usize, chars: &Vec<char>) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day19`
[INFO] [stdout]  --> src/solutions/year_2020/day19.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn solve_day19() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day19_2`
[INFO] [stdout]   --> src/solutions/year_2020/day19.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn solve_day19_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_input`
[INFO] [stdout]   --> src/solutions/year_2020/day19.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn read_input() -> Result<(Vec<String>, HashMap<i64, String>), Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_rule_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day19.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn make_rule_pattern(id: i64, rules: &HashMap<i64, Vec<Vec<&str>>>, end_rules: &HashMap<i64, &str>, dp: &mut HashMap<i64, String>) -> Str...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `build_sub_rule`
[INFO] [stdout]    --> src/solutions/year_2020/day19.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn build_sub_rule(rules: &&HashMap<i64, Vec<Vec<&str>>>, end_rules: &&HashMap<i64, &str>, dp: &mut HashMap<i64, String>, rule: &Vec<&str>...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_row`
[INFO] [stdout]   --> src/solutions/year_2020/day20.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn add_row(&mut self, row: Vec<char>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_vertically`
[INFO] [stdout]   --> src/solutions/year_2020/day20.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn flip_vertically(&self) -> Image {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_horizontally`
[INFO] [stdout]   --> src/solutions/year_2020/day20.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn flip_horizontally(&self) -> Image {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_clockwise`
[INFO] [stdout]   --> src/solutions/year_2020/day20.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn rotate_clockwise(&self) -> Image {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute_behavior`
[INFO] [stdout]   --> src/solutions/year_2020/day20.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn compute_behavior(&self, target_number: i64, target_border: usize) -> Image {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_unified_row_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn calculate_unified_row_pattern(&self, row_index: usize) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_row_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 |     fn calculate_row_pattern(&self, row_index: usize, reverse: bool) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_unified_col_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn calculate_unified_col_pattern(&self, col_index: usize) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `calculate_col_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 |     fn calculate_col_pattern(&self, col_index: usize, reverse: bool) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_unified_border_numbers`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn list_unified_border_numbers(&self) -> Vec<i64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_border_numbers`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 169 |     fn list_border_numbers(&self) -> Vec<i64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `list_flipped_border_numbers`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn list_flipped_border_numbers(&self) -> Vec<i64> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day20`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn solve_day20() -> Result<(usize, usize), Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flip_vertically`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:310:4
[INFO] [stdout]     |
[INFO] [stdout] 310 | fn flip_vertically(from: &Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `flip_horizontally`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:324:4
[INFO] [stdout]     |
[INFO] [stdout] 324 | fn flip_horizontally(from: &Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rotate_clockwise`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:330:4
[INFO] [stdout]     |
[INFO] [stdout] 330 | fn rotate_clockwise(from: &Vec<Vec<char>>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_monster`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn count_monster(map: &Vec<Vec<char>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_pattern`
[INFO] [stdout]    --> src/solutions/year_2020/day20.rs:363:4
[INFO] [stdout]     |
[INFO] [stdout] 363 | fn count_pattern(map: &Vec<Vec<char>>, rotated: &Vec<Vec<char>>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day21`
[INFO] [stdout]  --> src/solutions/year_2020/day21.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day21() -> Result<usize, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day21_2`
[INFO] [stdout]   --> src/solutions/year_2020/day21.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn solve_day21_2() -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day22`
[INFO] [stdout]  --> src/solutions/year_2020/day22.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day22() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day22_2`
[INFO] [stdout]   --> src/solutions/year_2020/day22.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn solve_day22_2() -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `score`
[INFO] [stdout]   --> src/solutions/year_2020/day22.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn score(result: &Vec<i64>) -> i64 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_round`
[INFO] [stdout]   --> src/solutions/year_2020/day22.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn play_round(mut p1: Vec<i64>, mut p2: Vec<i64>, game: usize) -> (bool, i64) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day23`
[INFO] [stdout]  --> src/solutions/year_2020/day23.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn solve_day23(input: i64) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day23_2`
[INFO] [stdout]   --> src/solutions/year_2020/day23.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn solve_day23_2() -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_day24`
[INFO] [stdout]  --> src/solutions/year_2020/day24.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solve_day24() -> Result<(i64, i64), Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `day25`
[INFO] [stdout]  --> src/solutions/year_2020/day25.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn day25(key1: i64, key2: i64) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_value`
[INFO] [stdout]   --> src/solutions/year_2020/day25.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn find_value(key: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 95 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `insert_index` is never read
[INFO] [stdout]   --> src/solutions/year_2020/day23.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut insert_index = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "001544ec569f30272652d4b7e0394314792a5df5baae506f3ee0ce21eb5d8dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001544ec569f30272652d4b7e0394314792a5df5baae506f3ee0ce21eb5d8dbd", kill_on_drop: false }`
[INFO] [stdout] 001544ec569f30272652d4b7e0394314792a5df5baae506f3ee0ce21eb5d8dbd