[INFO] cloning repository https://github.com/loziuu/aoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/loziuu/aoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Faoc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Faoc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fa3ce0de7ba8871ec200a376b96bf4aff9c3593
[INFO] building loziuu/aoc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Floziuu%2Faoc" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/loziuu/aoc on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/loziuu/aoc
[INFO] finished tweaking git repo https://github.com/loziuu/aoc
[INFO] tweaked toml for git repo https://github.com/loziuu/aoc written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/loziuu/aoc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc41cbc4c1944810f60f9e69e1b41326ec7a4af6e5c86d802aa198e52a164793
[INFO] running `Command { std: "docker" "start" "-a" "cc41cbc4c1944810f60f9e69e1b41326ec7a4af6e5c86d802aa198e52a164793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc41cbc4c1944810f60f9e69e1b41326ec7a4af6e5c86d802aa198e52a164793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc41cbc4c1944810f60f9e69e1b41326ec7a4af6e5c86d802aa198e52a164793", kill_on_drop: false }`
[INFO] [stdout] cc41cbc4c1944810f60f9e69e1b41326ec7a4af6e5c86d802aa198e52a164793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2fb86e5dcc6a77750b78b7a7809e996e5486d8a9c9df63af5eb4d976fffc20a
[INFO] running `Command { std: "docker" "start" "-a" "c2fb86e5dcc6a77750b78b7a7809e996e5486d8a9c9df63af5eb4d976fffc20a", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/eleven/first.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::eight::first`
[INFO] [stdout]  --> src/eleven/first.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::eight::first;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/fifteen/second.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/twentyfour/first.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs::read_to_string, hash::Hash};
[INFO] [stdout]   |                                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_n_bytes`
[INFO] [stdout]   --> src/eighteen/second.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn traverse(n: usize, bytes: Vec<(usize, usize)>, first_n_bytes: usize) -> (usize, usize) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_n_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]  --> src/seven/first.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut count = 1;
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/seven/first.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut count = 1;
[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 `file` is never used
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn file(name: &str) -> File {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elapsed` is never used
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn elapsed<T>(func: T)
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/eight/first.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/eight/first.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calc(matrix: Vec<Vec<char>>) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/eight/first.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn add(x: i32, y: i32, dx: i32, dy: i32, m: i32, n: i32, set: &mut HashSet<(i32, i32)>) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/eight/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/eight/second.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calc(matrix: Vec<Vec<char>>) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]   --> src/eight/second.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn add(x: i32, y: i32, dx: i32, dy: i32, m: i32, n: i32, set: &mut HashSet<(i32, i32)>) {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Path` is never used
[INFO] [stdout]  --> src/eighteen/first.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Path = (usize, usize, usize);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]   --> src/eighteen/first.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eighteen/first.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/eighteen/first.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn traverse(n: usize, bytes: Vec<(usize, usize)>, first_n_bytes: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_point` is never used
[INFO] [stdout]   --> src/eighteen/first.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn next_point(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Path` is never used
[INFO] [stdout]  --> src/eighteen/second.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Path = (usize, usize, usize);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn execute(file_path: &str) -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn traverse(n: usize, bytes: Vec<(usize, usize)>, first_n_bytes: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_traverse` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn can_traverse(n: usize, matrix: &[Vec<i32>]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_point` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn next_point(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eleven/first.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn execute(file: &str, blinks: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_after` is never used
[INFO] [stdout]   --> src/eleven/first.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn calc_after(stones: &[usize], blinks: usize) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/eleven/first.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn calc(
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/fifteen/first.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fifteen/first.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/fifteen/first.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn traverse(matrix: &mut Vec<Vec<char>>, dirs: &[char]) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_cell` is never used
[INFO] [stdout]   --> src/fifteen/first.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn move_cell(i: usize, j: usize, dir: usize, matrix: &mut Vec<Vec<char>>) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_dir` is never used
[INFO] [stdout]   --> src/fifteen/first.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn to_dir(ch: char) -> usize {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]   --> src/fifteen/first.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn print_matrix(matrix: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/fifteen/second.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fifteen/second.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/fifteen/second.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn traverse(matrix: &mut Vec<Vec<char>>, dirs: &[char]) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_dir` is never used
[INFO] [stdout]    --> src/fifteen/second.rs:177:4
[INFO] [stdout]     |
[INFO] [stdout] 177 | fn to_dir(ch: char) -> usize {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]    --> src/fifteen/second.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn print_matrix(matrix: &Vec<Vec<char>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/five/first.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Graph = HashMap<i32, Vec<i32>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/five/first.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/five/first.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn check(updates: &[i32], g: &Graph) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/five/second.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Graph = HashMap<i32, Vec<i32>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/five/second.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check` is never used
[INFO] [stdout]   --> src/five/second.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn check(updates: &[i32], g: &Graph) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `order` is never used
[INFO] [stdout]   --> src/five/second.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn order(mut update: Vec<i32>, g: &Graph) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WORD` is never used
[INFO] [stdout]  --> src/four/first.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const WORD: [char; 4] = ['X', 'M', 'A', 'S'];
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/four/first.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const DIR: [(i32, i32); 8] = [
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/four/first.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn execute(file: File) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/four/first.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn calc(matrix: &[Vec<char>]) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs_fwd` is never used
[INFO] [stdout]   --> src/four/first.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn dfs_fwd(i: i32, j: i32, matrix: &[Vec<char>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WORD` is never used
[INFO] [stdout]  --> src/four/second.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WORD: [char; 4] = ['X', 'M', 'A', 'S'];
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/four/second.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const DIR: [(i32, i32); 8] = [
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/four/second.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn execute(file: File) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/four/second.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn calc(matrix: &Vec<Vec<char>>) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `left` is never used
[INFO] [stdout]   --> src/four/second.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn left(i: usize, j: usize, matrix: &[Vec<char>]) -> bool {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `right` is never used
[INFO] [stdout]   --> src/four/second.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn right(i: usize, j: usize, matrix: &[Vec<char>]) -> bool {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/fourteen/first.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Tuple = (i32, i32);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fourteen/first.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_quadrant` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn count_quadrant(positions: &[(i32, i32)], x_bounds: (i32, i32), y_bounds: (i32, i32)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `final_position` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn final_position(pos: Tuple, velo: Tuple, m: i32, n: i32, seconds: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn modulo(dividend: i32, divisor: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/fourteen/second.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Tuple = (i32, i32);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fourteen/second.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file_path: &str) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_position` is never used
[INFO] [stdout]   --> src/fourteen/second.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn next_position(pos: Tuple, velo: Tuple, m: i32, n: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]   --> src/fourteen/second.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn modulo(dividend: i32, divisor: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nine/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]  --> src/nine/first.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn checksum(disk_map: &str) -> usize {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Block` is never used
[INFO] [stdout]  --> src/nine/second.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum Block {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/nine/second.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `checksum` is never used
[INFO] [stdout]   --> src/nine/second.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn checksum(disk_map: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nineteen/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_towels_ref` is never used
[INFO] [stdout]   --> src/nineteen/first.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn collect_towels_ref(mut available: Vec<&str>, target: Vec<&str>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target` is never used
[INFO] [stdout]   --> src/nineteen/first.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn check_target(target: &str, available: &mut [&str], cache: &mut HashMap<String, bool>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target_no_repeat` is never used
[INFO] [stdout]   --> src/nineteen/first.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn check_target_no_repeat(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nineteen/second.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collect_towels_ref` is never used
[INFO] [stdout]   --> src/nineteen/second.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn collect_towels_ref(mut available: Vec<&str>, target: Vec<&str>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target` is never used
[INFO] [stdout]   --> src/nineteen/second.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn check_target(target: &str, available: &mut [&str], cache: &mut HashMap<String, usize>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target_no_repeat` is never used
[INFO] [stdout]   --> src/nineteen/second.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn check_target_no_repeat(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/one/first.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/one/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/seven/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file: &str) -> i64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_evaluate` is never used
[INFO] [stdout]   --> src/seven/first.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn can_evaluate(i: usize, value: i64, values: &[i32], target: i64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/seven/second.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file: &str) -> i64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_evaluate` is never used
[INFO] [stdout]   --> src/seven/second.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn can_evaluate(i: usize, value: i64, values: &[i32], target: i64) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `concat` is never used
[INFO] [stdout]   --> src/seven/second.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn concat(a: i64, b: i64) -> i64 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Computer` is never constructed
[INFO] [stdout]  --> src/seventeen/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Computer {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/seventeen/first.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Computer {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 11 |     fn new(reg_a: i32, reg_b: i32, reg_c: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn adv(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn bxl(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn bst(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn jnz(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn bxc(&mut self, _: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn out(&mut self, operand: u8) -> i32 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn bdv(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn cdv(&mut self, operand: u8) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn bump_ip(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     fn combo_operator(&self, operand: u8) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn run(&mut self, program: Vec<i32>) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/seventeen/first.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn execute(file_path: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/six/first.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/six/first.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mark_patroled` is never used
[INFO] [stdout]   --> src/six/first.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn mark_patroled(matrix: &mut [Vec<char>]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/six/first.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn traverse(i: i32, j: i32, dir: usize, matrix: &mut [Vec<char>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]   --> src/six/first.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn next(dir: usize) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/six/second.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/six/second.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mark_patroled` is never used
[INFO] [stdout]   --> src/six/second.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn mark_patroled(matrix: &mut [Vec<char>]) -> (usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/six/second.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn traverse(i: i32, j: i32, dir: usize, matrix: &mut [Vec<char>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_loop` is never used
[INFO] [stdout]   --> src/six/second.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn has_loop(
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next` is never used
[INFO] [stdout]    --> src/six/second.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn next(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/sixteen/first.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Node` is never used
[INFO] [stdout]  --> src/sixteen/first.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Node = (usize, usize);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]   --> src/sixteen/first.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Path {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `zero` and `make_move` are never used
[INFO] [stdout]   --> src/sixteen/first.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Path {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 32 |     fn zero(x: usize, y: usize) -> Path {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn make_move(&self, x: usize, y: usize, cost: usize, dir: usize) -> Path {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/sixteen/first.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/sixteen/first.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn solve(maze: Vec<Vec<char>>) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clockwise` is never used
[INFO] [stdout]    --> src/sixteen/first.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn clockwise(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counterwise` is never used
[INFO] [stdout]    --> src/sixteen/first.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn counterwise(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_point` is never used
[INFO] [stdout]    --> src/sixteen/first.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn next_point(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/sixteen/second.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DIR: [(i32, i32); 4] = [(-1, 0), (0, 1), (1, 0), (0, -1)];
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Node` is never used
[INFO] [stdout]  --> src/sixteen/second.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Node = (usize, usize);
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Path` is never constructed
[INFO] [stdout]   --> src/sixteen/second.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Path {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `zero` and `make_move` are never used
[INFO] [stdout]   --> src/sixteen/second.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Path {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 32 |     fn zero(x: usize, y: usize) -> Path {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn make_move(&self, x: usize, y: usize, cost: usize, dir: usize) -> Path {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/sixteen/second.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/sixteen/second.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn solve(mut maze: Vec<Vec<char>>) -> usize {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `backtrack` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:118:4
[INFO] [stdout]     |
[INFO] [stdout] 118 | fn backtrack(
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `clockwise` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn clockwise(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counterwise` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:176:4
[INFO] [stdout]     |
[INFO] [stdout] 176 | fn counterwise(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn reverse(dir: usize) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_point` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:187:4
[INFO] [stdout]     |
[INFO] [stdout] 187 | fn next_point(x: usize, y: usize, dir: usize) -> (usize, usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:194:4
[INFO] [stdout]     |
[INFO] [stdout] 194 | fn add(x: usize, y: i32) -> usize {
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dir_to_char` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn dir_to_char(dir: usize) -> char {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/ten/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trails` is never used
[INFO] [stdout]   --> src/ten/first.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn trails(matrix: &[Vec<u32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_trails` is never used
[INFO] [stdout]   --> src/ten/first.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn count_trails(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/ten/second.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trails` is never used
[INFO] [stdout]   --> src/ten/second.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn trails(matrix: &[Vec<u32>]) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_trails` is never used
[INFO] [stdout]   --> src/ten/second.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn count_trails(
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/thirteen/first.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Tuple = (i32, i32);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/thirteen/first.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/thirteen/first.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn calc(a: Tuple, b: Tuple, prize: Tuple) -> i32 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]   --> src/thirteen/first.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn traverse(a: Tuple, b: Tuple, prize: Tuple) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Tuple = (i64, i64);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFFSET` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OFFSET: i64 = 10000000000000;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> i64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/thirteen/second.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn calc(a: Tuple, b: Tuple, prize: Tuple) -> i64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]    --> src/thirteen/second.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn traverse(a: Tuple, b: Tuple, prize: Tuple) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/three/first.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BUFFER_SIZE: usize = 1024;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/three/first.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Reader {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/three/first.rs:16:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Reader {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 16  |     pub fn from_file(file: File) -> Reader {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     pub fn get_next(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38  |     fn mul(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     fn get_number(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn expect(&mut self, expected: u8) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     fn get_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn get_and_bump_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/three/first.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn execute(file: File) -> i64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/three/second.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BUFFER_SIZE: usize = 1024;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/three/second.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Reader {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/three/second.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Reader {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 17  |     pub fn from_file(file: File) -> Reader {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |     pub fn get_next(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn do_or_dont(&mut self) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |     fn mul(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_number(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn expect(&mut self, expected: u8) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn expect_bool(&mut self, expected: u8) -> Option<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn get_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn get_and_bump_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/three/second.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn execute(file: File) -> i64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twelve/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/twelve/first.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn calc(matrix: &[Vec<char>]) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs` is never used
[INFO] [stdout]   --> src/twelve/first.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn dfs(
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twelve/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/twelve/second.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn calc(matrix: &[Vec<char>]) -> usize {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dfs` is never used
[INFO] [stdout]   --> src/twelve/second.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn dfs(
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_bounds` is never used
[INFO] [stdout]   --> src/twelve/second.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn is_in_bounds(i: i32, j: i32, m: usize, n: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc_sides` is never used
[INFO] [stdout]   --> src/twelve/second.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn calc_sides(set: &HashSet<(i32, i32, i32)>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc` is never used
[INFO] [stdout]   --> src/twentyfour/second.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Gate {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 13 |     pub fn calc(&self, a: bool, b: bool) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gate` is never read
[INFO] [stdout]   --> src/twentyfour/second.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Formula {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 34 |     gate: Gate,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/twentyfour/second.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Value(bool),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Value(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/twentythree/first.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Graph = HashMap<String, Vec<String>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twentythree/first.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group_contains_host_with_t` is never used
[INFO] [stdout]   --> src/twentythree/first.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn group_contains_host_with_t(key: &str, graph: &Graph, groups: &mut HashSet<Vec<String>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/twentythree/second.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Graph = HashMap<String, Vec<String>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twentythree/second.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn execute(file_path: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group_contains_host_with_t` is never used
[INFO] [stdout]   --> src/twentythree/second.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn group_contains_host_with_t(key: &str, graph: &Graph, groups: &mut HashSet<Vec<String>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/two/first.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: File) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]   --> src/two/first.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn is_valid(level: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dp` is never used
[INFO] [stdout]   --> src/two/first.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_dp(level: &[i32], range: RangeInclusive<i32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DECREASING` is never used
[INFO] [stdout]  --> src/two/second.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const DECREASING: RangeInclusive<i32> = -3..=-1;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INCREASING` is never used
[INFO] [stdout]  --> src/two/second.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const INCREASING: RangeInclusive<i32> = 1..=3;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/two/second.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn execute(file_name: File) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]   --> src/two/second.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn is_valid(level: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dp` is never used
[INFO] [stdout]   --> src/two/second.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn check_dp(level: &[i32], range: RangeInclusive<i32>, skippable: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "c2fb86e5dcc6a77750b78b7a7809e996e5486d8a9c9df63af5eb4d976fffc20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fb86e5dcc6a77750b78b7a7809e996e5486d8a9c9df63af5eb4d976fffc20a", kill_on_drop: false }`
[INFO] [stdout] c2fb86e5dcc6a77750b78b7a7809e996e5486d8a9c9df63af5eb4d976fffc20a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06cc5dfec6ac5eb1a37c7902bd357b9eb8e132391fae0ce4fcc1f73064c8598
[INFO] running `Command { std: "docker" "start" "-a" "a06cc5dfec6ac5eb1a37c7902bd357b9eb8e132391fae0ce4fcc1f73064c8598", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/eleven/first.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::eight::first`
[INFO] [stdout]  --> src/eleven/first.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::eight::first;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/fifteen/second.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     hash::Hash,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hash::Hash`
[INFO] [stdout]  --> src/twentyfour/first.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, fs::read_to_string, hash::Hash};
[INFO] [stdout]   |                                                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `first_n_bytes`
[INFO] [stdout]   --> src/eighteen/second.rs:27:51
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn traverse(n: usize, bytes: Vec<(usize, usize)>, first_n_bytes: usize) -> (usize, usize) {
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_n_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `count`
[INFO] [stdout]  --> src/seven/first.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut count = 1;
[INFO] [stdout]   |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/seven/first.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut count = 1;
[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 `file` is never used
[INFO] [stdout]   --> src/main.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn file(name: &str) -> File {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `elapsed` is never used
[INFO] [stdout]   --> src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn elapsed<T>(func: T)
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eighteen/first.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eighteen/second.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn execute(file_path: &str) -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/eleven/first.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn execute(file: &str, blinks: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]   --> src/fifteen/first.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn print_matrix(matrix: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_matrix` is never used
[INFO] [stdout]    --> src/fifteen/second.rs:190:4
[INFO] [stdout]     |
[INFO] [stdout] 190 | fn print_matrix(matrix: &Vec<Vec<char>>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/four/first.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn execute(file: File) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WORD` is never used
[INFO] [stdout]  --> src/four/second.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const WORD: [char; 4] = ['X', 'M', 'A', 'S'];
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIR` is never used
[INFO] [stdout]  --> src/four/second.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const DIR: [(i32, i32); 8] = [
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/four/second.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn execute(file: File) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/fourteen/first.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Tuple = (i32, i32);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fourteen/first.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_quadrant` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn count_quadrant(positions: &[(i32, i32)], x_bounds: (i32, i32), y_bounds: (i32, i32)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `final_position` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn final_position(pos: Tuple, velo: Tuple, m: i32, n: i32, seconds: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]   --> src/fourteen/first.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn modulo(dividend: i32, divisor: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/fourteen/second.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | type Tuple = (i32, i32);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/fourteen/second.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn execute(file_path: &str) {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `next_position` is never used
[INFO] [stdout]   --> src/fourteen/second.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn next_position(pos: Tuple, velo: Tuple, m: i32, n: i32) -> (i32, i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `modulo` is never used
[INFO] [stdout]   --> src/fourteen/second.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn modulo(dividend: i32, divisor: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nine/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/nine/second.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nineteen/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target_no_repeat` is never used
[INFO] [stdout]   --> src/nineteen/first.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn check_target_no_repeat(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/nineteen/second.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_path: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_target_no_repeat` is never used
[INFO] [stdout]   --> src/nineteen/second.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn check_target_no_repeat(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/one/first.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/one/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/seventeen/first.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub fn execute(file_path: &str) -> String {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dir_to_char` is never used
[INFO] [stdout]    --> src/sixteen/second.rs:198:4
[INFO] [stdout]     |
[INFO] [stdout] 198 | fn dir_to_char(dir: usize) -> char {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/ten/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/ten/second.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file_name: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/thirteen/first.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn execute(file: &str) -> i32 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tuple` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type Tuple = (i64, i64);
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `OFFSET` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const OFFSET: i64 = 10000000000000;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/thirteen/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> i64 {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calc` is never used
[INFO] [stdout]   --> src/thirteen/second.rs:98:4
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn calc(a: Tuple, b: Tuple, prize: Tuple) -> i64 {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `traverse` is never used
[INFO] [stdout]    --> src/thirteen/second.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn traverse(a: Tuple, b: Tuple, prize: Tuple) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/three/first.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BUFFER_SIZE: usize = 1024;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/three/first.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Reader {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/three/first.rs:16:12
[INFO] [stdout]     |
[INFO] [stdout] 15  | impl Reader {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 16  |     pub fn from_file(file: File) -> Reader {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25  |     pub fn get_next(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38  |     fn mul(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67  |     fn get_number(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 87  |     fn expect(&mut self, expected: u8) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95  |     fn get_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     fn get_and_bump_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/three/first.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn execute(file: File) -> i64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BUFFER_SIZE` is never used
[INFO] [stdout]  --> src/three/second.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const BUFFER_SIZE: usize = 1024;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]  --> src/three/second.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Reader {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/three/second.rs:17:12
[INFO] [stdout]     |
[INFO] [stdout] 16  | impl Reader {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout] 17  |     pub fn from_file(file: File) -> Reader {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27  |     pub fn get_next(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44  |     fn do_or_dont(&mut self) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77  |     fn mul(&mut self) -> Option<(i32, i32)> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     fn get_number(&mut self) -> Option<i32> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |     fn expect(&mut self, expected: u8) -> Option<()> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |     fn expect_bool(&mut self, expected: u8) -> Option<bool> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn get_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |     fn get_and_bump_pointer(&mut self) -> Option<usize> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]    --> src/three/second.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn execute(file: File) -> i64 {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twelve/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twelve/second.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file: &str) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `calc` is never used
[INFO] [stdout]   --> src/twentyfour/second.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Gate {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 13 |     pub fn calc(&self, a: bool, b: bool) -> bool {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `gate` is never read
[INFO] [stdout]   --> src/twentyfour/second.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Formula {
[INFO] [stdout]    |        ------- field in this struct
[INFO] [stdout] 34 |     gate: Gate,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/twentyfour/second.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Value(bool),
[INFO] [stdout]    |     ----- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 50 |     Value(()),
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Graph` is never used
[INFO] [stdout]  --> src/twentythree/second.rs:7:6
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Graph = HashMap<String, Vec<String>>;
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/twentythree/second.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn execute(file_path: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `group_contains_host_with_t` is never used
[INFO] [stdout]   --> src/twentythree/second.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn group_contains_host_with_t(key: &str, graph: &Graph, groups: &mut HashSet<Vec<String>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]  --> src/two/first.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn execute(file_name: File) -> usize {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]   --> src/two/first.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn is_valid(level: &[i32]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_dp` is never used
[INFO] [stdout]   --> src/two/first.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn check_dp(level: &[i32], range: RangeInclusive<i32>) -> bool {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> src/two/second.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn execute(file_name: File) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a06cc5dfec6ac5eb1a37c7902bd357b9eb8e132391fae0ce4fcc1f73064c8598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06cc5dfec6ac5eb1a37c7902bd357b9eb8e132391fae0ce4fcc1f73064c8598", kill_on_drop: false }`
[INFO] [stdout] a06cc5dfec6ac5eb1a37c7902bd357b9eb8e132391fae0ce4fcc1f73064c8598