[INFO] updating cached repository https://github.com/santhoshselvan/advent-of-code
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec51fa7d53859e06843275389e3226c30e44c3f1
[INFO] checking santhoshselvan/advent-of-code against master#73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanthoshselvan%2Fadvent-of-code" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/santhoshselvan/advent-of-code on toolchain 73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/santhoshselvan/advent-of-code
[INFO] finished tweaking git repo https://github.com/santhoshselvan/advent-of-code
[INFO] tweaked toml for git repo https://github.com/santhoshselvan/advent-of-code written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/santhoshselvan/advent-of-code already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8475e640db7c2dd7c58adc568d8bb492f7bf9dc814fd49f82c47e408bad708ce
[INFO] running `"docker" "start" "-a" "8475e640db7c2dd7c58adc568d8bb492f7bf9dc814fd49f82c47e408bad708ce"`
[INFO] [stderr]     Checking svg v0.5.12
[INFO] [stderr]     Checking queues v1.1.0
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking rayon-core v1.6.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking permutator v0.3.3
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking plotlib v0.4.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking advent-of-code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: static item is never used: `DEBUG_SHOW_INPUT_OUTPUT`
[INFO] [stderr]  --> src/intcode.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | static DEBUG_SHOW_INPUT_OUTPUT: bool = false;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `memory_string`
[INFO] [stderr]    --> src/intcode.rs:224:5
[INFO] [stderr]     |
[INFO] [stderr] 224 |     fn memory_string(&self) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]  --> src/bin/day10.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use log::debug;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day10.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     mut visible_asteroid_positions: &mut Vec<Point>,
[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: static item is never used: `DEBUG`
[INFO] [stderr]  --> src/bin/day10.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | static DEBUG: bool = true;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `advent_of_code`
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod intcode;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^ consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `permutator::Permutation`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use permutator::Permutation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `permutator::Permutation`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use permutator::Permutation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cmp::max`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::max;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let input = include_str!("../../data/seven.data");
[INFO] [stderr]   |         ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEBUG`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static DEBUG: bool = false;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let input = include_str!("../../data/seven.data");
[INFO] [stderr]   |         ^^^^^ help: consider prefixing with an underscore: `_input`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `DEBUG`
[INFO] [stderr]  --> src/bin/day07_refactored.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | static DEBUG: bool = false;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `advent-of-code`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/bin/day02_2.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     'outer: for noun in 0..noun_and_verb_limit {
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused label
[INFO] [stderr]   --> src/bin/day02_2.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         'inner: for verb in 0..noun_and_verb_limit {
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]   --> src/bin/day02_2.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut success = false;
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_success`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/day02_2.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut memory: Vec<String> = input.split(',').map(|s| s.to_string()).collect();
[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/bin/day02_2.rs:10:51
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn get_noun_and_verb_required_for_expected_output(mut memory: Vec<String>, expected_output: String) -> (i32, i32) {
[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/bin/day02_2.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let mut success = false;
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Lines`
[INFO] [stderr]  --> src/bin/day15.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::Lines;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> src/bin/day15.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `RgbImage`
[INFO] [stderr]  --> src/bin/day15.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/bin/day15.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/bin/day15.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 223 | /         return Some((maze_block.last_visited_from.unwrap(),
[INFO] [stderr] 224 | |                      get_opposition_direction(maze_block.last_visited_from_direction.unwrap()),
[INFO] [stderr] 225 | |                      true));
[INFO] [stderr]     | |___________________________- any code following this expression is unreachable
[INFO] [stderr] 226 |       }
[INFO] [stderr] 227 |       unreachable!()
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/bin/day12.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `permutator::Permutation`
[INFO] [stderr]  --> src/bin/day12.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use permutator::Permutation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stderr]  --> src/bin/day12.rs:3:19
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                   ^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num_traits::real::Real`
[INFO] [stderr]  --> src/bin/day12.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use num_traits::real::Real;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `apply_gravity`, `apply_velocity`
[INFO] [stderr]    --> src/bin/day12.rs:162:17
[INFO] [stderr]     |
[INFO] [stderr] 162 |     use crate::{apply_gravity, Moon, apply_velocity, apply_gravity_and_velocity, get_energy, find_complete_revolution_time};
[INFO] [stderr]     |                 ^^^^^^^^^^^^^        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Lines`
[INFO] [stderr]  --> src/bin/day15.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::Lines;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Write`, `stdout`
[INFO] [stderr]  --> src/bin/day15.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{stdout, Write};
[INFO] [stderr]   |               ^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `GenericImageView`, `GenericImage`, `ImageBuffer`, `RgbImage`
[INFO] [stderr]  --> src/bin/day15.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 | use image::{GenericImage, GenericImageView, ImageBuffer, RgbImage};
[INFO] [stderr]   |             ^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/bin/day15.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day15.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     mut maze: &mut HashMap<Position, MazeBlock>,
[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/bin/day15.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let mut current_position = current_position;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::Lines`
[INFO] [stderr]  --> src/bin/day11.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str::Lines;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]   --> src/bin/day15.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/day15.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     queue.add(start);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/day15.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 queue.add(*neighbour);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `intcode`
[INFO] [stderr]   --> src/bin/day11.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let intcode = paint_panels(contents);
[INFO] [stderr]    |         ^^^^^^^ help: consider prefixing with an underscore: `_intcode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/day11.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Page::single(&v).save("./src/out/part11.svg");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/bin/day12.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     for i in 0..times {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `initial_moon_position`
[INFO] [stderr]   --> src/bin/day12.rs:75:9
[INFO] [stderr]    |
[INFO] [stderr] 75 |     let initial_moon_position = moons.clone();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_initial_moon_position`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/bin/day15.rs:227:5
[INFO] [stderr]     |
[INFO] [stderr] 223 | /         return Some((maze_block.last_visited_from.unwrap(),
[INFO] [stderr] 224 | |                      get_opposition_direction(maze_block.last_visited_from_direction.unwrap()),
[INFO] [stderr] 225 | |                      true));
[INFO] [stderr]     | |___________________________- any code following this expression is unreachable
[INFO] [stderr] 226 |       }
[INFO] [stderr] 227 |       unreachable!()
[INFO] [stderr]     |       ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/day15.rs:202:5
[INFO] [stderr]     |
[INFO] [stderr] 202 |     mut maze: &mut HashMap<Position, MazeBlock>,
[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/bin/day15.rs:204:9
[INFO] [stderr]     |
[INFO] [stderr] 204 |     let mut current_position = current_position;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]   --> src/bin/day15.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/day15.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     queue.add(start);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/bin/day15.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 queue.add(*neighbour);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crate::intcode`
[INFO] [stderr]    --> src/intcode.rs:235:16
[INFO] [stderr]     |
[INFO] [stderr] 235 |     use crate::intcode::IntCode;
[INFO] [stderr]     |                ^^^^^^^ maybe a missing crate `intcode`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `advent-of-code`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8475e640db7c2dd7c58adc568d8bb492f7bf9dc814fd49f82c47e408bad708ce"`
[INFO] running `"docker" "rm" "-f" "8475e640db7c2dd7c58adc568d8bb492f7bf9dc814fd49f82c47e408bad708ce"`
[INFO] [stdout] 8475e640db7c2dd7c58adc568d8bb492f7bf9dc814fd49f82c47e408bad708ce