[INFO] cloning repository https://github.com/swidoff/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swidoff/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswidoff%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswidoff%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5a1aa3e437439523a01ccbe286cbba30e918716
[INFO] checking swidoff/aoc-2020 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswidoff%2Faoc-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swidoff/aoc-2020 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/swidoff/aoc-2020
[INFO] finished tweaking git repo https://github.com/swidoff/aoc-2020
[INFO] tweaked toml for git repo https://github.com/swidoff/aoc-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/swidoff/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e130ac56d47fb744eac40c09f714ee0d74e5e8a53fe702283db4abaf3feaa75c
[INFO] running `Command { std: "docker" "start" "-a" "e130ac56d47fb744eac40c09f714ee0d74e5e8a53fe702283db4abaf3feaa75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e130ac56d47fb744eac40c09f714ee0d74e5e8a53fe702283db4abaf3feaa75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e130ac56d47fb744eac40c09f714ee0d74e5e8a53fe702283db4abaf3feaa75c", kill_on_drop: false }`
[INFO] [stdout] e130ac56d47fb744eac40c09f714ee0d74e5e8a53fe702283db4abaf3feaa75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab025d02566cb727542734eb50ddea98c57b36bf244c0e29902d78976606534
[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" "9ab025d02566cb727542734eb50ddea98c57b36bf244c0e29902d78976606534", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashMap`, `VecDeque`
[INFO] [stdout]  --> src/day16.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashMap`, `VecDeque`
[INFO] [stdout]  --> src/day16.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashMap, HashSet, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]    --> src/day16.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     use itertools::Itertools;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file_as_set`
[INFO] [stdout]   --> src/day1.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn read_file_as_set() -> HashSet<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_pair_with_sum`
[INFO] [stdout]   --> src/day1.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn find_pair_with_sum(input: &HashSet<u32>, sum: u32) -> Option<(u32, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_triple_with_sum`
[INFO] [stdout]   --> src/day1.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn find_triple_with_sum(input: &HashSet<u32>, sum: u32) -> Option<(u32, u32, u32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day10.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_file() -> impl Iterator<Item = u64> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `joltage_distribution`
[INFO] [stdout]   --> src/day10.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn joltage_distribution(adapters: &mut Vec<u64>) -> (u64, u64) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_arrangements`
[INFO] [stdout]   --> src/day10.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn count_arrangements(adapters: &mut Vec<u64>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day11.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Floor`
[INFO] [stdout]   --> src/day11.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Floor,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]   --> src/day11.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Occupied`
[INFO] [stdout]   --> src/day11.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Occupied,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_layout`
[INFO] [stdout]   --> src/day11.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn parse_layout(iter: impl Iterator<Item = String>) -> HashMap<(i32, i32), Position> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_adjacent_occupied`
[INFO] [stdout]   --> src/day11.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn count_adjacent_occupied(x: i32, y: i32, layout: &HashMap<(i32, i32), Position>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `model_waiting_room_part1`
[INFO] [stdout]   --> src/day11.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn model_waiting_room_part1(layout: &mut HashMap<(i32, i32), Position>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_first_occupied`
[INFO] [stdout]   --> src/day11.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn count_first_occupied(x: i32, y: i32, layout: &HashMap<(i32, i32), Position>) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `model_waiting_room_part2`
[INFO] [stdout]    --> src/day11.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn model_waiting_room_part2(layout: &mut HashMap<(i32, i32), Position>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day12.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `North`
[INFO] [stdout]   --> src/day12.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     North,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `South`
[INFO] [stdout]   --> src/day12.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     South,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `East`
[INFO] [stdout]   --> src/day12.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     East,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `West`
[INFO] [stdout]   --> src/day12.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     West,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `turn`
[INFO] [stdout]   --> src/day12.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn turn(&self, turn: Turn, degrees: i32) -> Direction {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `y_amount`
[INFO] [stdout]   --> src/day12.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn y_amount(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_amount`
[INFO] [stdout]   --> src/day12.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn x_amount(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Left`
[INFO] [stdout]   --> src/day12.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     Left,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/day12.rs:59:5
[INFO] [stdout]    |
[INFO] [stdout] 59 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rotate`
[INFO] [stdout]   --> src/day12.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn rotate(&self, x: i32, y: i32, degrees: i32) -> (i32, i32) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Action`
[INFO] [stdout]   --> src/day12.rs:77:6
[INFO] [stdout]    |
[INFO] [stdout] 77 | enum Action {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_actions`
[INFO] [stdout]   --> src/day12.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn parse_actions(iter: impl Iterator<Item = String>) -> impl Iterator<Item = Action> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_actions_part1`
[INFO] [stdout]    --> src/day12.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn execute_actions_part1(actions: impl Iterator<Item = Action>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_actions_part2`
[INFO] [stdout]    --> src/day12.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn execute_actions_part2(actions: impl Iterator<Item = Action>) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day13.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file_part1`
[INFO] [stdout]   --> src/day13.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_file_part1(lines: impl Iterator<Item = String>) -> (u32, Vec<u32>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_earliest_bus_and_wait_time`
[INFO] [stdout]   --> src/day13.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn find_earliest_bus_and_wait_time(timestamp: u32, bus_numbers: &Vec<u32>) -> (u32, u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file_part2`
[INFO] [stdout]   --> src/day13.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn parse_file_part2(lines: impl Iterator<Item = String>) -> Vec<(u64, u64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_line_part2`
[INFO] [stdout]   --> src/day13.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn parse_line_part2(line: &String) -> Vec<(u64, u64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve_contest`
[INFO] [stdout]   --> src/day13.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn solve_contest(inputs: &Vec<(u64, u64)>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day14.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Instruction`
[INFO] [stdout]   --> src/day14.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Instruction {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file`
[INFO] [stdout]   --> src/day14.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn parse_file(iter: impl Iterator<Item = String>) -> Vec<Instruction> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_instructions`
[INFO] [stdout]   --> src/day14.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn process_instructions(instructions: &Vec<Instruction>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `process_instructions_v2`
[INFO] [stdout]   --> src/day14.rs:97:4
[INFO] [stdout]    |
[INFO] [stdout] 97 | fn process_instructions_v2(instructions: &Vec<Instruction>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `enumerate_addresses`
[INFO] [stdout]    --> src/day14.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn enumerate_addresses(base_address: u64, x_indexes: &Vec<u8>) -> VecDeque<u64> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_input`
[INFO] [stdout]  --> src/day15.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_input(input: &str) -> Vec<u64> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MemoryGame`
[INFO] [stdout]   --> src/day15.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct MemoryGame {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day15.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new() -> MemoryGame {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `speak`
[INFO] [stdout]   --> src/day15.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn speak(&mut self, value: u64) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/day15.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn next(&self) -> u64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `memory_game`
[INFO] [stdout]   --> src/day15.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn memory_game(starting_numbers: &Vec<u64>, iterations: u64) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day16.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_file() -> String {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Notes`
[INFO] [stdout]   --> src/day16.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Notes {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_for_any_field`
[INFO] [stdout]   --> src/day16.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn is_valid_for_any_field(&self, num: u64) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_file`
[INFO] [stdout]   --> src/day16.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn parse_file(file: &String) -> Notes {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ticket_scanning_error_rate`
[INFO] [stdout]   --> src/day16.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn ticket_scanning_error_rate(notes: &Notes) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign_fields`
[INFO] [stdout]   --> src/day16.rs:87:4
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn assign_fields(notes: &Notes) -> Vec<&String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_part1`
[INFO] [stdout]   --> src/day2.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn is_valid_part1(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_part2`
[INFO] [stdout]   --> src/day2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn is_valid_part2(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_password_database`
[INFO] [stdout]   --> src/day2.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn read_password_database() -> impl Iterator<Item = PasswordRecord> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_grid`
[INFO] [stdout]  --> src/day3.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_grid() -> Vec<Vec<char>> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_grid_from_string`
[INFO] [stdout]   --> src/day3.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn read_grid_from_string(str: &String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_trees_on_path`
[INFO] [stdout]   --> src/day3.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn count_trees_on_path(grid: &Vec<Vec<char>>, x_velocity: usize, y_velocity: usize) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `EYE_COLORS`
[INFO] [stdout]  --> src/day4.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | const EYE_COLORS: [&str; 7] = ["amb", "blu", "brn", "grn", "gry", "hzl", "oth"];
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_passports`
[INFO] [stdout]  --> src/day4.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_passports() -> Vec<Passport> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_passports_from_string`
[INFO] [stdout]   --> src/day4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn read_passports_from_string(str: &String) -> Vec<Passport> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day4.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn new() -> Passport {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day4.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_number_of_fields`
[INFO] [stdout]   --> src/day4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn is_valid_number_of_fields(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all_fields_valid`
[INFO] [stdout]   --> src/day4.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn all_fields_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_field`
[INFO] [stdout]   --> src/day4.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn is_valid_field(field: &String, value: &String) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid_number`
[INFO] [stdout]   --> src/day4.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn is_valid_number(value: &str, min: u16, max: u16) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_valid_hex_number`
[INFO] [stdout]   --> src/day4.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn is_valid_hex_number(value: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/day5.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seat`
[INFO] [stdout]   --> src/day5.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn seat(&self) -> u16 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decode_pass`
[INFO] [stdout]   --> src/day5.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn decode_pass(pass: &String) -> BoardingPass {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `locate_position`
[INFO] [stdout]   --> src/day5.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn locate_position(positions: u16, codes: &str, lower_code: char) -> u16 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file_v2`
[INFO] [stdout]   --> src/day5.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn read_file_v2() -> impl Iterator<Item = u16> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `line_to_seat`
[INFO] [stdout]   --> src/day5.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn line_to_seat(line: &mut impl Iterator<Item = char>) -> u16 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day6.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_answer_counts`
[INFO] [stdout]   --> src/day6.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn sum_answer_counts(lines: impl Iterator<Item = String>, union: bool) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day7.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_rules`
[INFO] [stdout]   --> src/day7.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn parse_rules(lines: impl Iterator<Item = String>) -> HashMap<String, Vec<(String, u16)>> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reverse_rules`
[INFO] [stdout]   --> src/day7.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn reverse_rules(rules: &HashMap<String, Vec<(String, u16)>>) -> HashMap<&String, Vec<&String>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `collect_outer_bags`
[INFO] [stdout]   --> src/day7.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn collect_outer_bags<'a>(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `count_inner_bags`
[INFO] [stdout]   --> src/day7.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn count_inner_bags(rules: &HashMap<String, Vec<(String, u16)>>, outer_bag: &String) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day8.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_file() -> impl Iterator<Item = String> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ACC`
[INFO] [stdout]   --> src/day8.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ACC(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `JMP`
[INFO] [stdout]   --> src/day8.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     JMP(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NOP`
[INFO] [stdout]   --> src/day8.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     NOP(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_instructions`
[INFO] [stdout]   --> src/day8.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn parse_instructions(iter: impl Iterator<Item = String>) -> Vec<Instruction> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_code`
[INFO] [stdout]   --> src/day8.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn run_code(program: &Vec<Instruction>) -> Result<i32, i32> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `break_infinite_loop`
[INFO] [stdout]   --> src/day8.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn break_infinite_loop(program: &mut Vec<Instruction>) -> Option<(usize, i32)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/day9.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn read_file() -> impl Iterator<Item = u64> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_first_invalid`
[INFO] [stdout]   --> src/day9.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn find_first_invalid(seq: &Vec<u64>, preamble: usize) -> Option<u64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_sum_of_pair`
[INFO] [stdout]   --> src/day9.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn is_sum_of_pair(value: u64, candidates: &[u64]) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_summing_subsequence`
[INFO] [stdout]   --> src/day9.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn find_summing_subsequence(target: u64, candidates: &Vec<u64>) -> Option<(u64, u64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 95 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "9ab025d02566cb727542734eb50ddea98c57b36bf244c0e29902d78976606534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab025d02566cb727542734eb50ddea98c57b36bf244c0e29902d78976606534", kill_on_drop: false }`
[INFO] [stdout] 9ab025d02566cb727542734eb50ddea98c57b36bf244c0e29902d78976606534