[INFO] cloning repository https://github.com/jpbougie/aoc2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jpbougie/aoc2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpbougie%2Faoc2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpbougie%2Faoc2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c11ca6c9b9cbf991c51d06684fbdde1636559f48
[INFO] checking jpbougie/aoc2019 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjpbougie%2Faoc2019" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jpbougie/aoc2019 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jpbougie/aoc2019
[INFO] finished tweaking git repo https://github.com/jpbougie/aoc2019
[INFO] tweaked toml for git repo https://github.com/jpbougie/aoc2019 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jpbougie/aoc2019 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07f7f52ffa3f0555c600c77d3412c6e2db4e28ec5568d6dc4563b8cb9d319b49
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "07f7f52ffa3f0555c600c77d3412c6e2db4e28ec5568d6dc4563b8cb9d319b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07f7f52ffa3f0555c600c77d3412c6e2db4e28ec5568d6dc4563b8cb9d319b49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f7f52ffa3f0555c600c77d3412c6e2db4e28ec5568d6dc4563b8cb9d319b49", kill_on_drop: false }`
[INFO] [stdout] 07f7f52ffa3f0555c600c77d3412c6e2db4e28ec5568d6dc4563b8cb9d319b49
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3084ab5abad846846d68e079109311a0726c200e302d03ff6babe4c0ac890236
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3084ab5abad846846d68e079109311a0726c200e302d03ff6babe4c0ac890236", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking termion v1.5.4
[INFO] [stderr]     Checking pathfinding v2.0.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking aoc2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/intcode.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/intcode.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError`, `TryRecvError`, `sync_channel`
[INFO] [stdout]  --> src/intcode.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, SyncSender, Receiver, RecvError, TryRecvError};
[INFO] [stdout]   |                       ^^^^^^^^^^^^                        ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/intcode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `run` in this scope
[INFO] [stdout]    --> src/intcode.rs:208:20
[INFO] [stdout]     |
[INFO] [stdout] 208 |         assert_eq!(run(program, 1), 1125899906842624);
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use crate::intcode::thread::thread::atomic::fmt::run;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/intcode.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `self`
[INFO] [stdout]  --> src/intcode.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RecvError`, `TryRecvError`, `sync_channel`
[INFO] [stdout]  --> src/intcode.rs:4:23
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, SyncSender, Receiver, RecvError, TryRecvError};
[INFO] [stdout]   |                       ^^^^^^^^^^^^                        ^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/intcode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/intcode.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2019`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `TryRecvError`
[INFO] [stdout]  --> src/bin/11.rs:4:70
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::{sync_channel, SyncSender, Receiver, RecvError, TryRecvError};
[INFO] [stdout]   |                                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/14.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     loop {
[INFO] [stdout] 40 | |         required.push(Item::new(1, goal));
[INFO] [stdout] 41 | |         while let Some(req) = required.pop() {
[INFO] [stdout] 42 | |             let mut current_stock = inventory.entry(req.name.clone()).or_insert(0);
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 | 
[INFO] [stdout] 82 |       0
[INFO] [stdout]    |       ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/bin/16.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     io::stdin().read_to_string(&mut input);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bin/18.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |             'a' ... 'z' => {
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/bin/18.rs:265:17
[INFO] [stdout]     |
[INFO] [stdout] 265 |             'A' ... 'Z' => Tile::Door(ch),
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/14.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let mut current_stock = inventory.entry(req.name.clone()).or_insert(0);
[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/bin/14.rs:91:13
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let mut current_stock = inventory.entry(req.name.clone()).or_insert(0);
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fuel_produced`
[INFO] [stdout]   --> src/bin/14.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn fuel_produced(reactions: &[Reaction], goal: &str, base_item: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/bin/14.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     loop {
[INFO] [stdout] 40 | |         required.push(Item::new(1, goal));
[INFO] [stdout] 41 | |         while let Some(req) = required.pop() {
[INFO] [stdout] 42 | |             let mut current_stock = inventory.entry(req.name.clone()).or_insert(0);
[INFO] [stdout] ...  |
[INFO] [stdout] 79 | |         }
[INFO] [stdout] 80 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 81 | 
[INFO] [stdout] 82 |       0
[INFO] [stdout]    |       ^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/bin/11.rs:102:13
[INFO] [stdout]     |
[INFO] [stdout] 102 |             _ => {}
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turned` is never read
[INFO] [stdout]    --> src/bin/10.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut turned = false;
[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: associated function is never used: `emptys`
[INFO] [stdout]   --> src/bin/10.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn emptys(&self) -> Positions {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/bin/14.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 |         assert_eq!(ore_required(&input, "FUEL", "ORE"), 31);
[INFO] [stdout]     |                                         ^^^^^^ expected struct `Item`, found `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `turned` is never read
[INFO] [stdout]    --> src/bin/10.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let mut turned = false;
[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] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `emptys`
[INFO] [stdout]   --> src/bin/10.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn emptys(&self) -> Positions {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMMEDIATE`
[INFO] [stdout]    --> src/bin/07.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | const IMMEDIATE: i64 = 1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/bin/07.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     final_sender.send(exit_code);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `IMMEDIATE`
[INFO] [stdout]   --> src/bin/05.rs:44:1
[INFO] [stdout]    |
[INFO] [stdout] 44 | const IMMEDIATE: i64 = 1;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `accessible_keys`
[INFO] [stdout]    --> src/bin/18.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn accessible_keys(maze: &Maze, pos: &Addr) -> Vec<(char, Addr)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `doors`
[INFO] [stdout]    --> src/bin/18.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn doors(&self) -> Vec<Addr> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tile`
[INFO] [stdout]    --> src/bin/18.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn tile(&self, tile: &Tile) -> Option<Addr> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tiles`
[INFO] [stdout]    --> src/bin/18.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 |     fn tiles(&self, tile_spec: &Tile) -> Vec<Addr> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unlock_door`
[INFO] [stdout]    --> src/bin/18.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn unlock_door(&mut self, key: char) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walkable`
[INFO] [stdout]    --> src/bin/18.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn walkable(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]    --> src/bin/18.rs:327:5
[INFO] [stdout]     |
[INFO] [stdout] 327 |     North,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]    --> src/bin/18.rs:328:5
[INFO] [stdout]     |
[INFO] [stdout] 328 |     South,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]    --> src/bin/18.rs:329:5
[INFO] [stdout]     |
[INFO] [stdout] 329 |     West,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]    --> src/bin/18.rs:330:5
[INFO] [stdout]     |
[INFO] [stdout] 330 |     East,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `left`
[INFO] [stdout]    --> src/bin/18.rs:334:8
[INFO] [stdout]     |
[INFO] [stdout] 334 |     fn left(&self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `right`
[INFO] [stdout]    --> src/bin/18.rs:343:8
[INFO] [stdout]     |
[INFO] [stdout] 343 |     fn right(&self) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `advance`
[INFO] [stdout]    --> src/bin/18.rs:352:8
[INFO] [stdout]     |
[INFO] [stdout] 352 |     fn advance(&self, pos: &mut Addr) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `inverse`
[INFO] [stdout]    --> src/bin/18.rs:361:8
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn inverse(&self) -> Self {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neighbours_with_dir`
[INFO] [stdout]    --> src/bin/18.rs:399:8
[INFO] [stdout]     |
[INFO] [stdout] 399 |     fn neighbours_with_dir(&self) -> Vec<(Dir, Addr)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3084ab5abad846846d68e079109311a0726c200e302d03ff6babe4c0ac890236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3084ab5abad846846d68e079109311a0726c200e302d03ff6babe4c0ac890236", kill_on_drop: false }`
[INFO] [stdout] 3084ab5abad846846d68e079109311a0726c200e302d03ff6babe4c0ac890236