[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#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNielsOverkamp%2FAdventOfCode2020" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NielsOverkamp/AdventOfCode2020 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded libz-sys v1.1.2
[INFO] [stderr]   Downloaded arguments v0.6.2
[INFO] [stderr]   Downloaded options v0.5.1
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded curl-sys v0.4.38+curl-7.73.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3487f93dabe6f02aa18ad483a17ba5b243681e86644f43755c805066a4ccc3e3
[INFO] running `Command { std: "docker" "start" "-a" "3487f93dabe6f02aa18ad483a17ba5b243681e86644f43755c805066a4ccc3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3487f93dabe6f02aa18ad483a17ba5b243681e86644f43755c805066a4ccc3e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3487f93dabe6f02aa18ad483a17ba5b243681e86644f43755c805066a4ccc3e3", kill_on_drop: false }`
[INFO] [stdout] 3487f93dabe6f02aa18ad483a17ba5b243681e86644f43755c805066a4ccc3e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eba4d676ac499cf875d27618221b12d7c81568b68807416705c2400cc0ba2a0
[INFO] running `Command { std: "docker" "start" "-a" "6eba4d676ac499cf875d27618221b12d7c81568b68807416705c2400cc0ba2a0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[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]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking options v0.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[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 arguments v0.6.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking socket2 v0.3.17
[INFO] [stderr]     Checking time v0.1.44
[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 tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]     Checking aoc2020_niels_overkamp v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day6.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day13.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day9.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day10.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day4.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day7.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day14.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day19_complicated.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day11.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day16.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day17.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day12.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day1.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day18.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day5.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day20.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day8.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day3.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/day13.rs (1 fix)
[INFO] [stderr]    Migrating src/bin/day19.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/day15.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/bin/day14.rs (2 fixes)
[INFO] [stderr]        Fixed src/bin/day20.rs (2 fixes)
[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: 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: 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/day11.rs (5 fixes)
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/day17.rs (6 fixes)
[INFO] [stderr]        Fixed src/bin/day19_complicated.rs (4 fixes)
[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: 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: 4 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: 1 warning 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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]        Fixed src/bin/day15.rs (1 fix)
[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: 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: 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: 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: 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: 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: 4 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.84s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking aoc2020_niels_overkamp v0.1.0 (/tmp/fixit)
[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: 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 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: 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: 4 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: 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: 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: 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: 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: 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: 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: 4 warnings emitted
[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] 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: 6 warnings emitted
[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: 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: 6 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: 1 warning 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.57s
[INFO] running `Command { std: "docker" "inspect" "6eba4d676ac499cf875d27618221b12d7c81568b68807416705c2400cc0ba2a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eba4d676ac499cf875d27618221b12d7c81568b68807416705c2400cc0ba2a0", kill_on_drop: false }`
[INFO] [stdout] 6eba4d676ac499cf875d27618221b12d7c81568b68807416705c2400cc0ba2a0