[INFO] cloning repository https://github.com/stella3d/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/stella3d/AoC_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstella3d%2FAoC_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstella3d%2FAoC_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f10e3615876fb2fb23d6b35708a96bcfacf07a
[INFO] checking stella3d/AoC_2020 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstella3d%2FAoC_2020" "/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/stella3d/AoC_2020 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/stella3d/AoC_2020
[INFO] finished tweaking git repo https://github.com/stella3d/AoC_2020
[INFO] tweaked toml for git repo https://github.com/stella3d/AoC_2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/stella3d/AoC_2020 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]     Blocking waiting for file lock on package cache
[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] c3a5d21d8ab366a6952d06e6fb0d23caba7c602774b34fed190f46440535a14c
[INFO] running `Command { std: "docker" "start" "-a" "c3a5d21d8ab366a6952d06e6fb0d23caba7c602774b34fed190f46440535a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3a5d21d8ab366a6952d06e6fb0d23caba7c602774b34fed190f46440535a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a5d21d8ab366a6952d06e6fb0d23caba7c602774b34fed190f46440535a14c", kill_on_drop: false }`
[INFO] [stdout] c3a5d21d8ab366a6952d06e6fb0d23caba7c602774b34fed190f46440535a14c
[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] ba4cbbaf675a7e8afe9b745936bfa51bde668c6250fb6499415c7fa8d79f0c08
[INFO] running `Command { std: "docker" "start" "-a" "ba4cbbaf675a7e8afe9b745936bfa51bde668c6250fb6499415c7fa8d79f0c08", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking AoC2020 v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/day4.rs (1 fix)
[INFO] [stderr]        Fixed src/day7.rs (9 fixes)
[INFO] [stderr]        Fixed src/day5.rs (1 fix)
[INFO] [stderr]        Fixed src/day3.rs (1 fix)
[INFO] [stderr]        Fixed src/day8.rs (4 fixes)
[INFO] [stderr]        Fixed src/day6.rs (2 fixes)
[INFO] [stdout] warning: function is never used: `print_all`
[INFO] [stdout]   --> src/files.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn print_all(lines: &Vec<String>) {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Policy`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Policy {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/day2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn parse(s: &str) -> Policy {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/day2.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validate(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate2`
[INFO] [stdout]   --> src/day2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate2(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn solution(lines: Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Terrain`
[INFO] [stdout]  --> src/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Terrain {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tree_at`
[INFO] [stdout]   --> src/day3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn tree_at(&self, row: usize, column: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_strings`
[INFO] [stdout]   --> src/day3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_strings(vs: &Vec<String>) -> Terrain {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn solve(&self, right_rate: usize, down_rate: usize) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_all`
[INFO] [stdout]  --> src/day4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn contains_all(required: &Vec<String>, set: &FnvHashSet<String>,) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bounds`
[INFO] [stdout]   --> src/day4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn check_bounds(value: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_unit_range`
[INFO] [stdout]   --> src/day4.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn check_unit_range(value: &str, suffix: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_field`
[INFO] [stdout]   --> src/day4.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn check_field(name: &str, value: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_field_if_valid`
[INFO] [stdout]   --> src/day4.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn add_field_if_valid(field_set: &mut FnvHashSet<String>, cap: Captures)  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day4.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solution(lines: &Vec<String>, required_fields: &Vec<String>, regex: &Regex) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day4.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Seat`
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Seat {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_id`
[INFO] [stdout]   --> src/day5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_id(&self) -> i32 { &self.row * 8 + &self.column }
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]   --> src/day5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub moves: Vec<char>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_moves`
[INFO] [stdout]   --> src/day5.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn do_moves(&self) -> Seat {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day5.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn solution2(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day5.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day6.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution2(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day6.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ContentRule`
[INFO] [stdout]  --> src/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ContentRule {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BagRuleSet`
[INFO] [stdout]   --> src/day7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BagRuleSet {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day7.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day7.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day7.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day8.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AoC2020` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ao_c2020`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_all`
[INFO] [stdout]   --> src/files.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn print_all(lines: &Vec<String>) {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Policy`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Policy {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/day2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn parse(s: &str) -> Policy {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/day2.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validate(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate2`
[INFO] [stdout]   --> src/day2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate2(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn solution(lines: Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Terrain`
[INFO] [stdout]  --> src/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Terrain {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tree_at`
[INFO] [stdout]   --> src/day3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn tree_at(&self, row: usize, column: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_strings`
[INFO] [stdout]   --> src/day3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_strings(vs: &Vec<String>) -> Terrain {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn solve(&self, right_rate: usize, down_rate: usize) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_all`
[INFO] [stdout]  --> src/day4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn contains_all(required: &Vec<String>, set: &FnvHashSet<String>,) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bounds`
[INFO] [stdout]   --> src/day4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn check_bounds(value: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_unit_range`
[INFO] [stdout]   --> src/day4.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn check_unit_range(value: &str, suffix: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_field`
[INFO] [stdout]   --> src/day4.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn check_field(name: &str, value: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_field_if_valid`
[INFO] [stdout]   --> src/day4.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn add_field_if_valid(field_set: &mut FnvHashSet<String>, cap: Captures)  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day4.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solution(lines: &Vec<String>, required_fields: &Vec<String>, regex: &Regex) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day4.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Seat`
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Seat {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_id`
[INFO] [stdout]   --> src/day5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_id(&self) -> i32 { &self.row * 8 + &self.column }
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]   --> src/day5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub moves: Vec<char>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_moves`
[INFO] [stdout]   --> src/day5.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn do_moves(&self) -> Seat {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day5.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn solution2(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day5.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day6.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution2(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day6.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ContentRule`
[INFO] [stdout]  --> src/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ContentRule {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BagRuleSet`
[INFO] [stdout]   --> src/day7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BagRuleSet {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day7.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day7.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day7.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day8.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AoC2020` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ao_c2020`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking AoC2020 v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `print_all`
[INFO] [stdout]   --> src/files.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn print_all(lines: &Vec<String>) {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Policy`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Policy {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/day2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn parse(s: &str) -> Policy {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/day2.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validate(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate2`
[INFO] [stdout]   --> src/day2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate2(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn solution(lines: Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Terrain`
[INFO] [stdout]  --> src/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Terrain {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tree_at`
[INFO] [stdout]   --> src/day3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn tree_at(&self, row: usize, column: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_strings`
[INFO] [stdout]   --> src/day3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_strings(vs: &Vec<String>) -> Terrain {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn solve(&self, right_rate: usize, down_rate: usize) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_all`
[INFO] [stdout]  --> src/day4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn contains_all(required: &Vec<String>, set: &FnvHashSet<String>,) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bounds`
[INFO] [stdout]   --> src/day4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn check_bounds(value: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_unit_range`
[INFO] [stdout]   --> src/day4.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn check_unit_range(value: &str, suffix: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_field`
[INFO] [stdout]   --> src/day4.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn check_field(name: &str, value: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_field_if_valid`
[INFO] [stdout]   --> src/day4.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn add_field_if_valid(field_set: &mut FnvHashSet<String>, cap: Captures)  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day4.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solution(lines: &Vec<String>, required_fields: &Vec<String>, regex: &Regex) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day4.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Seat`
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Seat {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_id`
[INFO] [stdout]   --> src/day5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_id(&self) -> i32 { &self.row * 8 + &self.column }
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]   --> src/day5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub moves: Vec<char>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_moves`
[INFO] [stdout]   --> src/day5.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn do_moves(&self) -> Seat {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day5.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn solution2(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day5.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day6.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution2(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day6.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ContentRule`
[INFO] [stdout]  --> src/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ContentRule {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BagRuleSet`
[INFO] [stdout]   --> src/day7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BagRuleSet {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day7.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day7.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day7.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day8.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AoC2020` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ao_c2020`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_all`
[INFO] [stdout]   --> src/files.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub(crate) fn print_all(lines: &Vec<String>) {
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Policy`
[INFO] [stdout]  --> src/day2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Policy {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse`
[INFO] [stdout]   --> src/day2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn parse(s: &str) -> Policy {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate`
[INFO] [stdout]   --> src/day2.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn validate(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `validate2`
[INFO] [stdout]   --> src/day2.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate2(&self, pw: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]   --> src/day2.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn to_string(&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day2.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn solution(lines: Vec<String>) {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day2.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Terrain`
[INFO] [stdout]  --> src/day3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Terrain {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tree_at`
[INFO] [stdout]   --> src/day3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn tree_at(&self, row: usize, column: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_strings`
[INFO] [stdout]   --> src/day3.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn from_strings(vs: &Vec<String>) -> Terrain {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn solve(&self, right_rate: usize, down_rate: usize) -> i64 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day3.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `contains_all`
[INFO] [stdout]  --> src/day4.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn contains_all(required: &Vec<String>, set: &FnvHashSet<String>,) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_bounds`
[INFO] [stdout]   --> src/day4.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn check_bounds(value: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_unit_range`
[INFO] [stdout]   --> src/day4.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn check_unit_range(value: &str, suffix: &str, min: i32, max: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_field`
[INFO] [stdout]   --> src/day4.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn check_field(name: &str, value: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_field_if_valid`
[INFO] [stdout]   --> src/day4.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn add_field_if_valid(field_set: &mut FnvHashSet<String>, cap: Captures)  {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day4.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn solution(lines: &Vec<String>, required_fields: &Vec<String>, regex: &Regex) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day4.rs:95:15
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Seat`
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Seat {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_id`
[INFO] [stdout]   --> src/day5.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn get_id(&self) -> i32 { &self.row * 8 + &self.column }
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `moves`
[INFO] [stdout]   --> src/day5.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub moves: Vec<char>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `do_moves`
[INFO] [stdout]   --> src/day5.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn do_moves(&self) -> Seat {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day5.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn solution(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day5.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn solution2(lines: &Vec<String>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day5.rs:84:15
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]  --> src/day6.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day6.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution2(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day6.rs:67:15
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ContentRule`
[INFO] [stdout]  --> src/day7.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct ContentRule {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BagRuleSet`
[INFO] [stdout]   --> src/day7.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BagRuleSet {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution`
[INFO] [stdout]   --> src/day7.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn solution(lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day7.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/day7.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub(crate) fn run() {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution2`
[INFO] [stdout]   --> src/day8.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn solution2(_lines: &Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `AoC2020` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `ao_c2020`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 37 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "ba4cbbaf675a7e8afe9b745936bfa51bde668c6250fb6499415c7fa8d79f0c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba4cbbaf675a7e8afe9b745936bfa51bde668c6250fb6499415c7fa8d79f0c08", kill_on_drop: false }`
[INFO] [stdout] ba4cbbaf675a7e8afe9b745936bfa51bde668c6250fb6499415c7fa8d79f0c08