[INFO] cloning repository https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NielsOverkamp/AdventOfCode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9f5d9f39e46cf3a8c612c8bc954c25e39acf20ac
[INFO] checking NielsOverkamp/AdventOfCode2020 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NielsOverkamp/AdventOfCode2020 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] finished tweaking git repo https://github.com/NielsOverkamp/AdventOfCode2020
[INFO] tweaked toml for git repo https://github.com/NielsOverkamp/AdventOfCode2020 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/NielsOverkamp/AdventOfCode2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 680e47ae8a6356df3bb6c31eb6eb6f6d3eacfd7878daf85998dc26578b86bacb
[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" "680e47ae8a6356df3bb6c31eb6eb6f6d3eacfd7878daf85998dc26578b86bacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "680e47ae8a6356df3bb6c31eb6eb6f6d3eacfd7878daf85998dc26578b86bacb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "680e47ae8a6356df3bb6c31eb6eb6f6d3eacfd7878daf85998dc26578b86bacb", kill_on_drop: false }`
[INFO] [stdout] 680e47ae8a6356df3bb6c31eb6eb6f6d3eacfd7878daf85998dc26578b86bacb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db66106ae940aaeff7e1e8a25d157d112238447fb6abc00ba7b4d853413382aa
[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" "db66106ae940aaeff7e1e8a25d157d112238447fb6abc00ba7b4d853413382aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking options v0.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking arguments v0.6.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.38+curl-7.73.0
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking aoc2020_niels_overkamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `regex::internal::Inst`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::internal::Inst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::RangeFrom`
[INFO] [stdout]  --> src/bin/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::RangeFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/bin/day20.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         'outer: for _ in 0..2 {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/bin/day20.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 |         Self::from_byte((self as i8 - 1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[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/day14.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut instrs = parse_input(input)?;
[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: unused import: `std::alloc::handle_alloc_error`
[INFO] [stdout]  --> src/bin/day11.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::handle_alloc_error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]  --> src/bin/day11.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   let y = ((y as i32)+*dy);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   let x = ((x as i32) + *dx);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day11.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut iter_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day13.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .filter(|(id, i)| *id != "x")
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `monster_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day20.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut monster_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_monster_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day20.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut map = combine_map(map);
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/bin/day11.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn print_board(board: &Vec<Vec<Option<bool>>>) {
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]    --> src/bin/day20.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn flip(self) -> Self {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/bin/day4.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     cid: Option<String>,
[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: `right`
[INFO] [stdout]    --> src/bin/day20.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn right(self) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> src/bin/day20.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn rotate_right(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_vert`
[INFO] [stdout]    --> src/bin/day20.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn flip_vert(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::handle_alloc_error`
[INFO] [stdout]  --> src/bin/day11.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::alloc::handle_alloc_error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day11.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Write`, `stdout`
[INFO] [stdout]  --> src/bin/day11.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{stdout, Write};
[INFO] [stdout]   |               ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | ...                   let y = ((y as i32)+*dy);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/bin/day11.rs:69:41
[INFO] [stdout]    |
[INFO] [stdout] 69 | ...                   let x = ((x as i32) + *dx);
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cid`
[INFO] [stdout]   --> src/bin/day4.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     cid: Option<String>,
[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: `as_test`
[INFO] [stdout]    --> src/aoc_day.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn as_test(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/day13.rs:20:23
[INFO] [stdout]    |
[INFO] [stdout] 20 |         .filter(|(id, i)| *id != "x")
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `iter_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day11.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let mut iter_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_iter_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/bin/day20.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         'outer: for _ in 0..2 {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/bin/day20.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 |         Self::from_byte((self as i8 - 1))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day17.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day17.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::convert::TryInto`
[INFO] [stdout]  --> src/bin/day17.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/bin/day17.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::TryFromIntError`
[INFO] [stdout]  --> src/bin/day17.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::TryFromIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day17.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::IterMut`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::IterMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/bin/day11.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn print_board(board: &Vec<Vec<Option<bool>>>) {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::internal::Inst`
[INFO] [stdout]  --> src/bin/day14.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::internal::Inst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::IterMut`
[INFO] [stdout]  --> src/bin/day19_complicated.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::IterMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::RangeFrom`
[INFO] [stdout]  --> src/bin/day15.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::RangeFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matches` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day19_complicated.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut matches;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_matches` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 matches = 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: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         matches = false;
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::mem`
[INFO] [stdout]  --> src/bin/day17.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::mem;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bin/day17.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::convert::TryInto`
[INFO] [stdout]  --> src/bin/day17.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/bin/day17.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::num::TryFromIntError`
[INFO] [stdout]  --> src/bin/day17.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::num::TryFromIntError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/bin/day17.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day19_complicated.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut count_2 = if rules.len() >= 11 {
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `matches` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day19_complicated.rs:98:21
[INFO] [stdout]    |
[INFO] [stdout] 98 |             let mut matches;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_matches` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_or_insert_default`
[INFO] [stdout]    --> src/bin/day19_complicated.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn get_or_insert_default(&mut self, i: usize) -> &StackNode {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |                 matches = 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: value assigned to `matches` is never read
[INFO] [stdout]    --> src/bin/day19_complicated.rs:118:25
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         matches = false;
[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/bin/day19_complicated.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut count_2 = if rules.len() >= 11 {
[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: associated function is never used: `get_or_insert_default`
[INFO] [stdout]    --> src/bin/day19_complicated.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn get_or_insert_default(&mut self, i: usize) -> &StackNode {
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day14.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut instrs = parse_input(input)?;
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `as_test`
[INFO] [stdout]    --> src/aoc_day.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn as_test(&self) -> &'static str {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `monster_count` is assigned to, but never used
[INFO] [stdout]   --> src/bin/day20.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut monster_count = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_monster_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[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/day20.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut map = combine_map(map);
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]    --> src/bin/day20.rs:304:8
[INFO] [stdout]     |
[INFO] [stdout] 304 |     fn flip(self) -> Self {
[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: `right`
[INFO] [stdout]    --> src/bin/day20.rs:311:8
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn right(self) -> Self {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate_right`
[INFO] [stdout]    --> src/bin/day20.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn rotate_right(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip_vert`
[INFO] [stdout]    --> src/bin/day20.rs:389:8
[INFO] [stdout]     |
[INFO] [stdout] 389 |     fn flip_vert(self) -> Self {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.97s
[INFO] running `Command { std: "docker" "inspect" "db66106ae940aaeff7e1e8a25d157d112238447fb6abc00ba7b4d853413382aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db66106ae940aaeff7e1e8a25d157d112238447fb6abc00ba7b4d853413382aa", kill_on_drop: false }`
[INFO] [stdout] db66106ae940aaeff7e1e8a25d157d112238447fb6abc00ba7b4d853413382aa