[INFO] cloning repository https://github.com/JCardoen/rust_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/JCardoen/rust_advent_of_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCardoen%2Frust_advent_of_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCardoen%2Frust_advent_of_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1751840128ff6d062a62adcaa3bd091be4e96f84
[INFO] testing JCardoen/rust_advent_of_code against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCardoen%2Frust_advent_of_code" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JCardoen/rust_advent_of_code on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JCardoen/rust_advent_of_code
[INFO] finished tweaking git repo https://github.com/JCardoen/rust_advent_of_code
[INFO] tweaked toml for git repo https://github.com/JCardoen/rust_advent_of_code written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JCardoen/rust_advent_of_code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf760f326942949e2f60a9930d8cf7b4d1375900309ca4c7d21d4d690ee1d5b
[INFO] running `Command { std: "docker" "start" "-a" "2bf760f326942949e2f60a9930d8cf7b4d1375900309ca4c7d21d4d690ee1d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf760f326942949e2f60a9930d8cf7b4d1375900309ca4c7d21d4d690ee1d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf760f326942949e2f60a9930d8cf7b4d1375900309ca4c7d21d4d690ee1d5b", kill_on_drop: false }`
[INFO] [stdout] 2bf760f326942949e2f60a9930d8cf7b4d1375900309ca4c7d21d4d690ee1d5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aacb728fffa8871e1ab950747eb14ffb48100931e2861b60cf07861386aa7d3
[INFO] running `Command { std: "docker" "start" "-a" "2aacb728fffa8871e1ab950747eb14ffb48100931e2861b60cf07861386aa7d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling time v0.3.5
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_eight/eight.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/day_eight/eight.rs:147:53
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stdout]     |                                                     ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stdout] 147 +         let g = get_unique_characters(encoded_nine, &*(encoded_four.to_owned() + encoded_seven));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::hash`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/day_four/four.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/day_fourteen/fourteen.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_nine/nine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day_nine/nine.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_seven/seven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/day_six/six.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day_six/six.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_dir`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::current_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::catch_unwind`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::panic::catch_unwind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::current`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::current;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_ten/ten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_ten/ten.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::hash`
[INFO] [stdout]  --> src/day_ten/ten.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hash`, `null`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{hash, null};
[INFO] [stdout]   |                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `ReadBytesExt`
[INFO] [stdout]  --> src/day_three/three.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::i32`
[INFO] [stdout]  --> src/day_three/three.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/day_three/three.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Bytes};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/day_three/three.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stdout]    |            ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stdout] 52 +     return actual_gamma_rate * actual_epsilon_rate;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hash`, `null`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{hash, null};
[INFO] [stdout]   |                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day_two/two.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 depth += (aim * val)
[INFO] [stdout]    |                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -                 depth += (aim * val)
[INFO] [stdout] 47 +                 depth += aim * val
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     ///println!("{}", day_fourteen::star_one());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `number_of_flashes` is assigned to, but never used
[INFO] [stdout]    --> src/day_eleven/eleven.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut number_of_flashes = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_number_of_flashes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/day_five/five.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (idx, value) in hashmap_for_points {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/day_five/five.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |     for (idx, value) in hashmap_for_points {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `latest_winner_idx` is assigned to, but never used
[INFO] [stdout]    --> src/day_four/four.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut latest_winner_idx: usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_latest_winner_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `latest_number_for_winner` is assigned to, but never used
[INFO] [stdout]    --> src/day_four/four.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut latest_number_for_winner: u32 = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_latest_number_for_winner` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `latest_winner_idx` is never read
[INFO] [stdout]    --> src/day_four/four.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 latest_winner_idx = index;
[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: value assigned to `latest_number_for_winner` is never read
[INFO] [stdout]    --> src/day_four/four.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 latest_number_for_winner = *number;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for pass in 0..10 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for pass in 0..40 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `did_rule` is assigned to, but never used
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut did_rule = false;
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_did_rule` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `did_rule` is never read
[INFO] [stdout]    --> src/day_fourteen/fourteen.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     did_rule = true;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/day_nine/nine.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         for (j, col) in row.iter().enumerate() {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_start_of_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut current_start_of_packet = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_start_of_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut length = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `folded_column` is never read
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let mut folded_column = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         valid_lines = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]    --> src/day_three/three.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         valid_lines = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_eight/eight.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut line = input.split('|').collect::<Vec<&str>>();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_eight/eight.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut output = line[1].split_whitespace().collect::<Vec<&str>>();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eight/eight.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut output = current_io[1]
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eleven/eleven.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eleven/eleven.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]    |                     ----^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut new_vec = vec![0; size];
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let mut new_vec = vec![0; size];
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_four/four.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut pb = PlayBoard { board };
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut polymer_template = input_lines[0].clone();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_seven/seven.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut crabs = get_lines("src/day_seven/input.txt");
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_six/six.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut fish_count = fish_state_mtx.lock().unwrap();
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_six/six.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut input = vec![0; 9];
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut sub_packets = get_sub_packets(&current_packet);
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut current_start_of_packet = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_three/three.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut vec = get_lines("src/day_three/input.txt");
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_eight/eight.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unique_characters`
[INFO] [stdout]   --> src/day_eight/eight.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_unique_characters(a: &str, b: &str) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_eight/eight.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_eight/eight.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_octopus_flashers`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn reset_octopus_flashers(grid: &mut Vec<Vec<i32>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase_neighbors`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn increase_neighbors(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_octopus_grid`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn traverse_octopus_grid(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn print_grid(octopus_grid: &Vec<Vec<i32>>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn star_one() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn star_two() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_fifteen/fifteen.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_fifteen/fifteen.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn star_two() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_fifteen/fifteen.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_neighbours`
[INFO] [stdout]    --> src/day_fifteen/fifteen.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn find_neighbours(current_i: usize, current_j: usize, grid_size: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_five/five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]   --> src/day_five/five.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_five/five.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_five/five.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_four/four.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PlayBoard`
[INFO] [stdout]   --> src/day_four/four.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct PlayBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flag_number`
[INFO] [stdout]   --> src/day_four/four.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn flag_number(&mut self, number: &u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `winner`
[INFO] [stdout]   --> src/day_four/four.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn winner(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/day_four/four.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn score(&mut self) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_four/four.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_four/four.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn star_two() -> u32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_playboard_from_chunk`
[INFO] [stdout]    --> src/day_four/four.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn parse_playboard_from_chunk(chunk: &[String]) -> PlayBoard {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]    --> src/day_four/four.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_nine/nine.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_nine/nine.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_nine/nine.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn star_two() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]   --> src/day_one/one.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_lines() -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_one/one.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_two`
[INFO] [stdout]   --> src/day_one/one.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn start_two() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_seven/seven.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_lines(filename: &str) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_seven/seven.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_seven/seven.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn star_two() -> f64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_six/six.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one_and_two`
[INFO] [stdout]   --> src/day_six/six.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn star_one_and_two() -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/day_six/six.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn test() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]    --> src/day_six/six.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn part1(mut input: Vec<usize>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_packets`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn read_packets(binary_string: String, packets: &mut Vec<String>, start: usize, end: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn decode_packet(hex: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_from_hex`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn binary_from_hex(hex: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_id_of_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn get_id_of_packet(packet: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_version_of_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn get_version_of_packet(packet: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_sub_packets`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn get_sub_packets(packet: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_number_of_literal_packet`
[INFO] [stdout]    --> src/day_sixteen/sixteen.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn get_number_of_literal_packet(packet: &str) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `to_binary`
[INFO] [stdout]    --> src/day_sixteen/sixteen.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn to_binary(c: char) -> &'static str {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_ten/ten.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_ten/ten.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_ten/ten.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn star_two() -> u64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_map`
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn print_map(map: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn solve() -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_three/three.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_three/three.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_three/three.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn star_two() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `filter_values_scrub`
[INFO] [stdout]   --> src/day_three/three.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn filter_values_scrub(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `filter_values_oxy`
[INFO] [stdout]   --> src/day_three/three.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn filter_values_oxy(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_most_common_at_position`
[INFO] [stdout]    --> src/day_three/three.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn get_most_common_at_position(vec: &Vec<String>, position: usize) -> char {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_paths`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn count_paths(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_two/two.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_two/two.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_two/two.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 145 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.17s
[INFO] running `Command { std: "docker" "inspect" "2aacb728fffa8871e1ab950747eb14ffb48100931e2861b60cf07861386aa7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aacb728fffa8871e1ab950747eb14ffb48100931e2861b60cf07861386aa7d3", kill_on_drop: false }`
[INFO] [stdout] 2aacb728fffa8871e1ab950747eb14ffb48100931e2861b60cf07861386aa7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c61151dafb205f2eaf393cc960205dcc432f553249f034d0e3754a84631c5ca
[INFO] running `Command { std: "docker" "start" "-a" "5c61151dafb205f2eaf393cc960205dcc432f553249f034d0e3754a84631c5ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_eight/eight.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/day_eight/eight.rs:147:53
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stdout]     |                                                     ^                                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stdout] 147 +         let g = get_unique_characters(encoded_nine, &*(encoded_four.to_owned() + encoded_seven));
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::hash`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::Cell`
[INFO] [stdout]  --> src/day_four/four.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::Cell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/day_fourteen/fourteen.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_nine/nine.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day_nine/nine.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_seven/seven.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `max`, `min`
[INFO] [stdout]  --> src/day_six/six.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/day_six/six.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env::current_dir`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::env::current_dir;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::panic::catch_unwind`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::panic::catch_unwind;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::current`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread::current;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_ten/ten.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_ten/ten.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr::hash`
[INFO] [stdout]  --> src/day_ten/ten.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hash`, `null`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{hash, null};
[INFO] [stdout]   |                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BigEndian`, `ReadBytesExt`
[INFO] [stdout]  --> src/day_three/three.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::i32`
[INFO] [stdout]  --> src/day_three/three.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::i32;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> src/day_three/three.rs:4:35
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, BufReader, Bytes};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `return` value
[INFO] [stdout]   --> src/day_three/three.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stdout]    |            ^                                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 52 -     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stdout] 52 +     return actual_gamma_rate * actual_epsilon_rate;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `hash`, `null`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ptr::{hash, null};
[INFO] [stdout]   |                ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/day_two/two.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 depth += (aim * val)
[INFO] [stdout]    |                          ^         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -                 depth += (aim * val)
[INFO] [stdout] 47 +                 depth += aim * val
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     ///println!("{}", day_fourteen::star_one());
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `number_of_flashes` is assigned to, but never used
[INFO] [stdout]    --> src/day_eleven/eleven.rs:157:13
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut number_of_flashes = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_number_of_flashes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]   --> src/day_five/five.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |     for (idx, value) in hashmap_for_points {
[INFO] [stdout]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/day_five/five.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 |     for (idx, value) in hashmap_for_points {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `latest_winner_idx` is assigned to, but never used
[INFO] [stdout]    --> src/day_four/four.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let mut latest_winner_idx: usize = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_latest_winner_idx` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `latest_number_for_winner` is assigned to, but never used
[INFO] [stdout]    --> src/day_four/four.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |     let mut latest_number_for_winner: u32 = 0;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_latest_number_for_winner` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `latest_winner_idx` is never read
[INFO] [stdout]    --> src/day_four/four.rs:126:17
[INFO] [stdout]     |
[INFO] [stdout] 126 |                 latest_winner_idx = index;
[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: value assigned to `latest_number_for_winner` is never read
[INFO] [stdout]    --> src/day_four/four.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 latest_number_for_winner = *number;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for pass in 0..10 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pass`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |     for pass in 0..40 {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `did_rule` is assigned to, but never used
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:99:21
[INFO] [stdout]    |
[INFO] [stdout] 99 |             let mut did_rule = false;
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_did_rule` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `did_rule` is never read
[INFO] [stdout]    --> src/day_fourteen/fourteen.rs:108:21
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     did_rule = true;
[INFO] [stdout]     |                     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `col`
[INFO] [stdout]    --> src/day_nine/nine.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |         for (j, col) in row.iter().enumerate() {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_start_of_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut current_start_of_packet = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_start_of_packet`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `length` is never read
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let mut length = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `folded_column` is never read
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             let mut folded_column = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         valid_lines = Vec::new();
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]   --> src/day_three/three.rs:98:13
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_lines` is never read
[INFO] [stdout]    --> src/day_three/three.rs:117:9
[INFO] [stdout]     |
[INFO] [stdout] 117 |         valid_lines = Vec::new();
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_eight/eight.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut line = input.split('|').collect::<Vec<&str>>();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_eight/eight.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let mut output = line[1].split_whitespace().collect::<Vec<&str>>();
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eight/eight.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut output = current_io[1]
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eleven/eleven.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_eleven/eleven.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]    |                     ----^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:54:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stdout]    |                     ----^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |             let mut new_vec = vec![0; size];
[INFO] [stdout]    |                 ----^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_five/five.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:122:21
[INFO] [stdout]     |
[INFO] [stdout] 122 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:123:21
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let mut new_vec = vec![0; size];
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:155:21
[INFO] [stdout]     |
[INFO] [stdout] 155 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:169:21
[INFO] [stdout]     |
[INFO] [stdout] 169 |                 let mut new_vec = vec![0; size];
[INFO] [stdout]     |                     ----^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_five/five.rs:170:21
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_four/four.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let mut pb = PlayBoard { board };
[INFO] [stdout]     |         ----^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut polymer_template = input_lines[0].clone();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_seven/seven.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let mut crabs = get_lines("src/day_seven/input.txt");
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_six/six.rs:90:17
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let mut fish_count = fish_state_mtx.lock().unwrap();
[INFO] [stdout]    |                 ----^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day_six/six.rs:108:9
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let mut input = vec![0; 9];
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut sub_packets = get_sub_packets(&current_packet);
[INFO] [stdout]    |             ----^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let mut current_start_of_packet = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_three/three.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut vec = get_lines("src/day_three/input.txt");
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_eight/eight.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_unique_characters`
[INFO] [stdout]   --> src/day_eight/eight.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn get_unique_characters(a: &str, b: &str) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_eight/eight.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_eight/eight.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_eleven/eleven.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reset_octopus_flashers`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn reset_octopus_flashers(grid: &mut Vec<Vec<i32>>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `increase_neighbors`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn increase_neighbors(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `traverse_octopus_grid`
[INFO] [stdout]   --> src/day_eleven/eleven.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn traverse_octopus_grid(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_grid`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn print_grid(octopus_grid: &Vec<Vec<i32>>) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub fn star_one() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_eleven/eleven.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub fn star_two() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_fifteen/fifteen.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_fifteen/fifteen.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn star_two() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_fifteen/fifteen.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 91 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_neighbours`
[INFO] [stdout]    --> src/day_fifteen/fifteen.rs:133:4
[INFO] [stdout]     |
[INFO] [stdout] 133 | fn find_neighbours(current_i: usize, current_j: usize, grid_size: usize) -> Vec<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_five/five.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]   --> src/day_five/five.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_five/five.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_five/five.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/day_four/four.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PlayBoard`
[INFO] [stdout]   --> src/day_four/four.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct PlayBoard {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flag_number`
[INFO] [stdout]   --> src/day_four/four.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn flag_number(&mut self, number: &u32) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `winner`
[INFO] [stdout]   --> src/day_four/four.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn winner(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/day_four/four.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn score(&mut self) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_four/four.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_four/four.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub fn star_two() -> u32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_playboard_from_chunk`
[INFO] [stdout]    --> src/day_four/four.rs:144:4
[INFO] [stdout]     |
[INFO] [stdout] 144 | fn parse_playboard_from_chunk(chunk: &[String]) -> PlayBoard {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]    --> src/day_four/four.rs:165:4
[INFO] [stdout]     |
[INFO] [stdout] 165 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_fourteen/fourteen.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_nine/nine.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_nine/nine.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]    --> src/day_nine/nine.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub fn star_two() -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]   --> src/day_one/one.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn get_lines() -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_one/one.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `start_two`
[INFO] [stdout]   --> src/day_one/one.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn start_two() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_seven/seven.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn get_lines(filename: &str) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_seven/seven.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_seven/seven.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn star_two() -> f64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_six/six.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one_and_two`
[INFO] [stdout]   --> src/day_six/six.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn star_one_and_two() -> u128 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]    --> src/day_six/six.rs:107:4
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn test() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `part1`
[INFO] [stdout]    --> src/day_six/six.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn part1(mut input: Vec<usize>) {
[INFO] [stdout]     |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_sixteen/sixteen.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_packets`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn read_packets(binary_string: String, packets: &mut Vec<String>, start: usize, end: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn star_one() -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_version_of_packet`
[INFO] [stdout]   --> src/day_sixteen/sixteen.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn get_version_of_packet(packet: &str) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_ten/ten.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_ten/ten.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_ten/ten.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn star_two() -> u64 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_thirteen/thirteen.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_map`
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn print_map(map: &Vec<Vec<char>>) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]   --> src/day_thirteen/thirteen.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn solve() -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_three/three.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_three/three.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn star_one() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_three/three.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub fn star_two() -> u32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `filter_values_scrub`
[INFO] [stdout]   --> src/day_three/three.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn filter_values_scrub(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `filter_values_oxy`
[INFO] [stdout]   --> src/day_three/three.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn filter_values_oxy(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_most_common_at_position`
[INFO] [stdout]    --> src/day_three/three.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn get_most_common_at_position(vec: &Vec<String>, position: usize) -> char {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_twelve/twelve.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_paths`
[INFO] [stdout]   --> src/day_twelve/twelve.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn count_paths(
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_lines`
[INFO] [stdout]  --> src/day_two/two.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_one`
[INFO] [stdout]   --> src/day_two/two.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn star_one() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `star_two`
[INFO] [stdout]   --> src/day_two/two.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn star_two() -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 139 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "5c61151dafb205f2eaf393cc960205dcc432f553249f034d0e3754a84631c5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c61151dafb205f2eaf393cc960205dcc432f553249f034d0e3754a84631c5ca", kill_on_drop: false }`
[INFO] [stdout] 5c61151dafb205f2eaf393cc960205dcc432f553249f034d0e3754a84631c5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6228bd4a809915c5e90cab48e825433a728c42f07073cfcbf4c1c7efa21925f2
[INFO] running `Command { std: "docker" "start" "-a" "6228bd4a809915c5e90cab48e825433a728c42f07073cfcbf4c1c7efa21925f2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_eight/eight.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/day_eight/eight.rs:147:53
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stderr]     |                                                     ^                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -         let g = get_unique_characters(encoded_nine, (&*(encoded_four.to_owned() + encoded_seven)));
[INFO] [stderr] 147 +         let g = get_unique_characters(encoded_nine, &*(encoded_four.to_owned() + encoded_seven));
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_eleven/eleven.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/day_eleven/eleven.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::hash`
[INFO] [stderr]  --> src/day_eleven/eleven.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ptr::hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]  --> src/day_four/four.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::Cell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `VecDeque`
[INFO] [stderr]  --> src/day_fourteen/fourteen.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{HashMap, VecDeque};
[INFO] [stderr]   |                                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_nine/nine.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/day_nine/nine.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_seven/seven.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]  --> src/day_six/six.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::{max, min};
[INFO] [stderr]   |                ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/day_six/six.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::current_dir`
[INFO] [stderr]  --> src/day_sixteen/sixteen.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env::current_dir;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::panic::catch_unwind`
[INFO] [stderr]  --> src/day_sixteen/sixteen.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::panic::catch_unwind;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::current`
[INFO] [stderr]  --> src/day_sixteen/sixteen.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::current;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_ten/ten.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/day_ten/ten.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr::hash`
[INFO] [stderr]  --> src/day_ten/ten.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ptr::hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_thirteen/thirteen.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashMap`, `HashSet`
[INFO] [stderr]  --> src/day_thirteen/thirteen.rs:2:24
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `hash`, `null`
[INFO] [stderr]  --> src/day_thirteen/thirteen.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ptr::{hash, null};
[INFO] [stderr]   |                ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`
[INFO] [stderr]  --> src/day_three/three.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use byteorder::{BigEndian, ReadBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::i32`
[INFO] [stderr]  --> src/day_three/three.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::i32;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Bytes`
[INFO] [stderr]  --> src/day_three/three.rs:4:35
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufRead, BufReader, Bytes};
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `return` value
[INFO] [stderr]   --> src/day_three/three.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stderr]    |            ^                                       ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 52 -     return (actual_gamma_rate * actual_epsilon_rate);
[INFO] [stderr] 52 +     return actual_gamma_rate * actual_epsilon_rate;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::min`
[INFO] [stderr]  --> src/day_twelve/twelve.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cmp::min;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/day_twelve/twelve.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `hash`, `null`
[INFO] [stderr]  --> src/day_twelve/twelve.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ptr::{hash, null};
[INFO] [stderr]   |                ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/day_two/two.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |                 depth += (aim * val)
[INFO] [stderr]    |                          ^         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 47 -                 depth += (aim * val)
[INFO] [stderr] 47 +                 depth += aim * val
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     ///println!("{}", day_fourteen::star_one());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: variable `number_of_flashes` is assigned to, but never used
[INFO] [stderr]    --> src/day_eleven/eleven.rs:157:13
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mut number_of_flashes = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_number_of_flashes` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]   --> src/day_five/five.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |     for (idx, value) in hashmap_for_points {
[INFO] [stderr]    |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `idx`
[INFO] [stderr]    --> src/day_five/five.rs:181:10
[INFO] [stderr]     |
[INFO] [stderr] 181 |     for (idx, value) in hashmap_for_points {
[INFO] [stderr]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `latest_winner_idx` is assigned to, but never used
[INFO] [stderr]    --> src/day_four/four.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |     let mut latest_winner_idx: usize = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_latest_winner_idx` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `latest_number_for_winner` is assigned to, but never used
[INFO] [stderr]    --> src/day_four/four.rs:112:13
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let mut latest_number_for_winner: u32 = 0;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_latest_number_for_winner` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `latest_winner_idx` is never read
[INFO] [stderr]    --> src/day_four/four.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |                 latest_winner_idx = index;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `latest_number_for_winner` is never read
[INFO] [stderr]    --> src/day_four/four.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 latest_number_for_winner = *number;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pass`
[INFO] [stderr]   --> src/day_fourteen/fourteen.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     for pass in 0..10 {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pass`
[INFO] [stderr]   --> src/day_fourteen/fourteen.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |     for pass in 0..40 {
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_pass`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `did_rule` is assigned to, but never used
[INFO] [stderr]   --> src/day_fourteen/fourteen.rs:99:21
[INFO] [stderr]    |
[INFO] [stderr] 99 |             let mut did_rule = false;
[INFO] [stderr]    |                     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_did_rule` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `did_rule` is never read
[INFO] [stderr]    --> src/day_fourteen/fourteen.rs:108:21
[INFO] [stderr]     |
[INFO] [stderr] 108 |                     did_rule = true;
[INFO] [stderr]     |                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]    --> src/day_nine/nine.rs:150:17
[INFO] [stderr]     |
[INFO] [stderr] 150 |         for (j, col) in row.iter().enumerate() {
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_start_of_packet`
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut current_start_of_packet = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_start_of_packet`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `length` is never read
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:90:13
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let mut length = 0;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `folded_column` is never read
[INFO] [stderr]   --> src/day_thirteen/thirteen.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |             let mut folded_column = 1;
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valid_lines` is never read
[INFO] [stderr]   --> src/day_three/three.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valid_lines` is never read
[INFO] [stderr]   --> src/day_three/three.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         valid_lines = Vec::new();
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valid_lines` is never read
[INFO] [stderr]   --> src/day_three/three.rs:98:13
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let mut valid_lines: Vec<String> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `valid_lines` is never read
[INFO] [stderr]    --> src/day_three/three.rs:117:9
[INFO] [stderr]     |
[INFO] [stderr] 117 |         valid_lines = Vec::new();
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_eight/eight.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut line = input.split('|').collect::<Vec<&str>>();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_eight/eight.rs:52:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |         let mut output = line[1].split_whitespace().collect::<Vec<&str>>();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_eight/eight.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |         let mut output = current_io[1]
[INFO] [stderr]     |             ----^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_eleven/eleven.rs:145:13
[INFO] [stderr]     |
[INFO] [stderr] 145 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_eleven/eleven.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let mut flashed_for_current_step: Vec<(usize, usize)> = vec![];
[INFO] [stderr]     |             ----^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_five/five.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |                 let mut new_vec = vec![0; size];
[INFO] [stderr]    |                     ----^^^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_five/five.rs:54:21
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stderr]    |                     ----^^^^^
[INFO] [stderr]    |                     |
[INFO] [stderr]    |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_five/five.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             let mut new_vec = vec![0; size];
[INFO] [stderr]    |                 ----^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_five/five.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stderr]    |                 ----^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:122:21
[INFO] [stderr]     |
[INFO] [stderr] 122 |                 let mut new_vec = vec![0; size];
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:123:21
[INFO] [stderr]     |
[INFO] [stderr] 123 |                 let mut entry = hashmap_for_points.entry(idx).or_insert(new_vec);
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |             let mut new_vec = vec![0; size];
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |             let mut entry = hashmap_for_points.entry(p.y).or_insert(new_vec);
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:154:21
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 let mut new_vec = vec![0; size];
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:155:21
[INFO] [stderr]     |
[INFO] [stderr] 155 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:169:21
[INFO] [stderr]     |
[INFO] [stderr] 169 |                 let mut new_vec = vec![0; size];
[INFO] [stderr]     |                     ----^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_five/five.rs:170:21
[INFO] [stderr]     |
[INFO] [stderr] 170 |                 let mut entry = hashmap_for_points.entry(y_trav).or_insert(new_vec);
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_four/four.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let mut pb = PlayBoard { board };
[INFO] [stderr]     |         ----^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_fourteen/fourteen.rs:65:9
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut polymer_template = input_lines[0].clone();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_seven/seven.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let mut crabs = get_lines("src/day_seven/input.txt");
[INFO] [stderr]    |         ----^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_six/six.rs:90:17
[INFO] [stderr]    |
[INFO] [stderr] 90 |             let mut fish_count = fish_state_mtx.lock().unwrap();
[INFO] [stderr]    |                 ----^^^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/day_six/six.rs:108:9
[INFO] [stderr]     |
[INFO] [stderr] 108 |     let mut input = vec![0; 9];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         let mut sub_packets = get_sub_packets(&current_packet);
[INFO] [stderr]    |             ----^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let mut current_start_of_packet = 0;
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day_three/three.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut vec = get_lines("src/day_three/input.txt");
[INFO] [stderr]    |         ----^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_eight/eight.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_unique_characters`
[INFO] [stderr]   --> src/day_eight/eight.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_unique_characters(a: &str, b: &str) -> char {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_eight/eight.rs:47:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_eight/eight.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn star_two() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_eleven/eleven.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reset_octopus_flashers`
[INFO] [stderr]   --> src/day_eleven/eleven.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn reset_octopus_flashers(grid: &mut Vec<Vec<i32>>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `increase_neighbors`
[INFO] [stderr]   --> src/day_eleven/eleven.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn increase_neighbors(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `traverse_octopus_grid`
[INFO] [stderr]   --> src/day_eleven/eleven.rs:87:4
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn traverse_octopus_grid(
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_grid`
[INFO] [stderr]    --> src/day_eleven/eleven.rs:117:4
[INFO] [stderr]     |
[INFO] [stderr] 117 | fn print_grid(octopus_grid: &Vec<Vec<i32>>) {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]    --> src/day_eleven/eleven.rs:129:8
[INFO] [stderr]     |
[INFO] [stderr] 129 | pub fn star_one() -> i32 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]    --> src/day_eleven/eleven.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 154 | pub fn star_two() -> i32 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_fifteen/fifteen.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_fifteen/fifteen.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn star_two() -> usize {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_fifteen/fifteen.rs:91:8
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub fn star_one() -> usize {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_neighbours`
[INFO] [stderr]    --> src/day_fifteen/fifteen.rs:133:4
[INFO] [stderr]     |
[INFO] [stderr] 133 | fn find_neighbours(current_i: usize, current_j: usize, grid_size: usize) -> Vec<(usize, usize)> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]  --> src/day_five/five.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Point {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]   --> src/day_five/five.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_five/five.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_five/five.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn star_two() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]  --> src/day_four/four.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Point {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PlayBoard`
[INFO] [stderr]   --> src/day_four/four.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | struct PlayBoard {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `flag_number`
[INFO] [stderr]   --> src/day_four/four.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 |     fn flag_number(&mut self, number: &u32) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `winner`
[INFO] [stderr]   --> src/day_four/four.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn winner(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `score`
[INFO] [stderr]   --> src/day_four/four.rs:54:8
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn score(&mut self) -> u32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_four/four.rs:69:8
[INFO] [stderr]    |
[INFO] [stderr] 69 | pub fn star_one() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]    --> src/day_four/four.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 101 | pub fn star_two() -> u32 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_playboard_from_chunk`
[INFO] [stderr]    --> src/day_four/four.rs:144:4
[INFO] [stderr]     |
[INFO] [stderr] 144 | fn parse_playboard_from_chunk(chunk: &[String]) -> PlayBoard {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]    --> src/day_four/four.rs:165:4
[INFO] [stderr]     |
[INFO] [stderr] 165 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_fourteen/fourteen.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn star_one() -> usize {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_nine/nine.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_nine/nine.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]    --> src/day_nine/nine.rs:117:8
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub fn star_two() -> i32 {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]   --> src/day_one/one.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn get_lines() -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_one/one.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn star_one() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `start_two`
[INFO] [stderr]   --> src/day_one/one.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn start_two() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_seven/seven.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn get_lines(filename: &str) -> Vec<i32> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_seven/seven.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_seven/seven.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn star_two() -> f64 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_six/six.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one_and_two`
[INFO] [stderr]   --> src/day_six/six.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub fn star_one_and_two() -> u128 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]    --> src/day_six/six.rs:107:4
[INFO] [stderr]     |
[INFO] [stderr] 107 | fn test() {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `part1`
[INFO] [stderr]    --> src/day_six/six.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn part1(mut input: Vec<usize>) {
[INFO] [stderr]     |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_sixteen/sixteen.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_packets`
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn read_packets(binary_string: String, packets: &mut Vec<String>, start: usize, end: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn star_one() -> usize {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_version_of_packet`
[INFO] [stderr]   --> src/day_sixteen/sixteen.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn get_version_of_packet(packet: &str) -> i32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_ten/ten.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_ten/ten.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_ten/ten.rs:68:8
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub fn star_two() -> u64 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_thirteen/thirteen.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_map`
[INFO] [stderr]   --> src/day_thirteen/thirteen.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn print_map(map: &Vec<Vec<char>>) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solve`
[INFO] [stderr]   --> src/day_thirteen/thirteen.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn solve() -> i32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_three/three.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_three/three.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn star_one() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_three/three.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn star_two() -> u32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `filter_values_scrub`
[INFO] [stderr]   --> src/day_three/three.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn filter_values_scrub(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `filter_values_oxy`
[INFO] [stderr]   --> src/day_three/three.rs:97:4
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn filter_values_oxy(mut vec: Vec<String>) -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_most_common_at_position`
[INFO] [stderr]    --> src/day_three/three.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn get_most_common_at_position(vec: &Vec<String>, position: usize) -> char {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_twelve/twelve.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_twelve/twelve.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_twelve/twelve.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub fn star_two() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_paths`
[INFO] [stderr]   --> src/day_twelve/twelve.rs:82:4
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn count_paths(
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_lines`
[INFO] [stderr]  --> src/day_two/two.rs:4:4
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn get_lines(filename: &str) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_one`
[INFO] [stderr]   --> src/day_two/two.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn star_one() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `star_two`
[INFO] [stderr]   --> src/day_two/two.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn star_two() -> i32 {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code" test) generated 139 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/advent_of_code-0a8b60c65cb7fa9a)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test day_sixteen::tests::test_conversion ... ok
[INFO] [stdout] test day_sixteen::tests::test_decode_packet ... ok
[INFO] [stdout] test day_sixteen::tests::test_get_id ... ok
[INFO] [stdout] test day_sixteen::tests::test_get_literal ... ok
[INFO] [stdout] test day_sixteen::tests::test_get_sub_packets ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6228bd4a809915c5e90cab48e825433a728c42f07073cfcbf4c1c7efa21925f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6228bd4a809915c5e90cab48e825433a728c42f07073cfcbf4c1c7efa21925f2", kill_on_drop: false }`
[INFO] [stdout] 6228bd4a809915c5e90cab48e825433a728c42f07073cfcbf4c1c7efa21925f2