[INFO] cloning repository https://github.com/opcon/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/opcon/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopcon%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopcon%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c10b2e21c22be777eaed8ecc1aba002625aa2946
[INFO] checking opcon/aoc-2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopcon%2Faoc-2020" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/opcon/aoc-2020 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/opcon/aoc-2020
[INFO] finished tweaking git repo https://github.com/opcon/aoc-2020
[INFO] tweaked toml for git repo https://github.com/opcon/aoc-2020 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/opcon/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b422253e3244f8c196df7ed493d14315f08739ac5ac4264b3610b53c5550f84
[INFO] running `Command { std: "docker" "start" "-a" "1b422253e3244f8c196df7ed493d14315f08739ac5ac4264b3610b53c5550f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b422253e3244f8c196df7ed493d14315f08739ac5ac4264b3610b53c5550f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b422253e3244f8c196df7ed493d14315f08739ac5ac4264b3610b53c5550f84", kill_on_drop: false }`
[INFO] [stdout] 1b422253e3244f8c196df7ed493d14315f08739ac5ac4264b3610b53c5550f84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cefa23169205fddb320852aa043499c4798f617d1aeea0eb0cd54527d03be4ae
[INFO] running `Command { std: "docker" "start" "-a" "cefa23169205fddb320852aa043499c4798f617d1aeea0eb0cd54527d03be4ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bag_collection_children`
[INFO] [stdout]   --> src/day07.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (bag_collection_parents, bag_collection_children) = parse_input_improved(input);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bag_collection_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part2(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_direction` is never used
[INFO] [stdout]   --> src/day03.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn check_direction(map: &Vec<Vec<char>>, dir: (usize, usize)) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_map` is never used
[INFO] [stdout]   --> src/day03.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn parse_input_map<'a>(input: &'a String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/day03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day04.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_input(input: &String) -> Vec<Passport> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_strict` is never used
[INFO] [stdout]   --> src/day04.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_input_strict(input: &String) -> Vec<StrictPassport> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl Passport<'_> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 165 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cm` and `In` are never constructed
[INFO] [stdout]    --> src/day04.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum HeightUnit {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 178 |     Cm,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 179 |     In,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeightUnit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/day04.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum EyeColor {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 184 |     Amber,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 185 |     Blue,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 186 |     Brown,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 187 |     Gray,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 188 |     Green,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 189 |     Hazel,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 190 |     Other,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/day04.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct StrictPassport<'a> {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 195 |     byr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 196 |     iyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 197 |     eyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     hgt: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 199 |     hgt_unit: Option<HeightUnit>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 200 |     hcl: Option<&'a str>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 201 |     ecl: Option<EyeColor>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     pid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 203 |     cid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrictPassport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl StrictPassport<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 213 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day05.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_input(input: String) -> Vec<Seat> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seat` is never constructed
[INFO] [stdout]   --> src/day05.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Seat {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `seat_id` is never used
[INFO] [stdout]   --> src/day05.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Seat {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 59 |     fn seat_id(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p1` is never used
[INFO] [stdout]   --> src/day06.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn do_p1(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p2` is never used
[INFO] [stdout]   --> src/day06.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn do_p2(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_parents_recursive` is never used
[INFO] [stdout]   --> src/day07.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_parents_recursive(child: String, map: &HashMap<String, Vec<BagRelation>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bag_collection_children`
[INFO] [stdout]   --> src/day07.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (bag_collection_parents, bag_collection_children) = parse_input_improved(input);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bag_collection_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part2(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_direction` is never used
[INFO] [stdout]   --> src/day03.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn check_direction(map: &Vec<Vec<char>>, dir: (usize, usize)) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_map` is never used
[INFO] [stdout]   --> src/day03.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn parse_input_map<'a>(input: &'a String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/day03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day04.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_input(input: &String) -> Vec<Passport> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_strict` is never used
[INFO] [stdout]   --> src/day04.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_input_strict(input: &String) -> Vec<StrictPassport> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl Passport<'_> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 165 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cm` and `In` are never constructed
[INFO] [stdout]    --> src/day04.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum HeightUnit {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 178 |     Cm,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 179 |     In,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeightUnit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/day04.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum EyeColor {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 184 |     Amber,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 185 |     Blue,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 186 |     Brown,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 187 |     Gray,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 188 |     Green,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 189 |     Hazel,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 190 |     Other,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/day04.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct StrictPassport<'a> {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 195 |     byr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 196 |     iyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 197 |     eyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     hgt: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 199 |     hgt_unit: Option<HeightUnit>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 200 |     hcl: Option<&'a str>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 201 |     ecl: Option<EyeColor>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     pid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 203 |     cid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrictPassport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl StrictPassport<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 213 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day05.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_input(input: String) -> Vec<Seat> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seat` is never constructed
[INFO] [stdout]   --> src/day05.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Seat {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `seat_id` is never used
[INFO] [stdout]   --> src/day05.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Seat {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 59 |     fn seat_id(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p1` is never used
[INFO] [stdout]   --> src/day06.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn do_p1(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p2` is never used
[INFO] [stdout]   --> src/day06.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn do_p2(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_parents_recursive` is never used
[INFO] [stdout]   --> src/day07.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_parents_recursive(child: String, map: &HashMap<String, Vec<BagRelation>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.93s
[INFO] running `Command { std: "docker" "inspect" "cefa23169205fddb320852aa043499c4798f617d1aeea0eb0cd54527d03be4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefa23169205fddb320852aa043499c4798f617d1aeea0eb0cd54527d03be4ae", kill_on_drop: false }`
[INFO] [stdout] cefa23169205fddb320852aa043499c4798f617d1aeea0eb0cd54527d03be4ae
[INFO] checking opcon/aoc-2020 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopcon%2Faoc-2020" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/opcon/aoc-2020 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/opcon/aoc-2020
[INFO] finished tweaking git repo https://github.com/opcon/aoc-2020
[INFO] tweaked toml for git repo https://github.com/opcon/aoc-2020 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/opcon/aoc-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23887d51ac1150f31442a3374e2f318094e7c8da883c670cca5b346f2b5a9fc3
[INFO] running `Command { std: "docker" "start" "-a" "23887d51ac1150f31442a3374e2f318094e7c8da883c670cca5b346f2b5a9fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23887d51ac1150f31442a3374e2f318094e7c8da883c670cca5b346f2b5a9fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23887d51ac1150f31442a3374e2f318094e7c8da883c670cca5b346f2b5a9fc3", kill_on_drop: false }`
[INFO] [stdout] 23887d51ac1150f31442a3374e2f318094e7c8da883c670cca5b346f2b5a9fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2db4298aa4ced37f78bc03118873a0b4a38893994542588b4d7949a55d00cb5e
[INFO] running `Command { std: "docker" "start" "-a" "2db4298aa4ced37f78bc03118873a0b4a38893994542588b4d7949a55d00cb5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bag_collection_children`
[INFO] [stdout]   --> src/day07.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (bag_collection_parents, bag_collection_children) = parse_input_improved(input);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bag_collection_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part2(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_direction` is never used
[INFO] [stdout]   --> src/day03.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn check_direction(map: &Vec<Vec<char>>, dir: (usize, usize)) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_map` is never used
[INFO] [stdout]   --> src/day03.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn parse_input_map<'a>(input: &'a String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/day03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day04.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_input(input: &String) -> Vec<Passport> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_strict` is never used
[INFO] [stdout]   --> src/day04.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_input_strict(input: &String) -> Vec<StrictPassport> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl Passport<'_> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 165 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cm` and `In` are never constructed
[INFO] [stdout]    --> src/day04.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum HeightUnit {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 178 |     Cm,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 179 |     In,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeightUnit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/day04.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum EyeColor {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 184 |     Amber,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 185 |     Blue,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 186 |     Brown,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 187 |     Gray,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 188 |     Green,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 189 |     Hazel,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 190 |     Other,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/day04.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct StrictPassport<'a> {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 195 |     byr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 196 |     iyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 197 |     eyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     hgt: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 199 |     hgt_unit: Option<HeightUnit>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 200 |     hcl: Option<&'a str>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 201 |     ecl: Option<EyeColor>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     pid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 203 |     cid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrictPassport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl StrictPassport<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 213 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day05.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_input(input: String) -> Vec<Seat> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seat` is never constructed
[INFO] [stdout]   --> src/day05.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Seat {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `seat_id` is never used
[INFO] [stdout]   --> src/day05.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Seat {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 59 |     fn seat_id(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p1` is never used
[INFO] [stdout]   --> src/day06.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn do_p1(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p2` is never used
[INFO] [stdout]   --> src/day06.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn do_p2(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_parents_recursive` is never used
[INFO] [stdout]   --> src/day07.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_parents_recursive(child: String, map: &HashMap<String, Vec<BagRelation>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bag_collection_children`
[INFO] [stdout]   --> src/day07.rs:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let (bag_collection_parents, bag_collection_children) = parse_input_improved(input);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bag_collection_children`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]  --> src/day08.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part2(input: String) {
[INFO] [stdout]   |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day01.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day01.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day02.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day02.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day03.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day03.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_direction` is never used
[INFO] [stdout]   --> src/day03.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn check_direction(map: &Vec<Vec<char>>, dir: (usize, usize)) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_map` is never used
[INFO] [stdout]   --> src/day03.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn parse_input_map<'a>(input: &'a String) -> Vec<Vec<char>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]   --> src/day03.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day04.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]   --> src/day04.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn part2(input: String) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day04.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn parse_input(input: &String) -> Vec<Passport> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input_strict` is never used
[INFO] [stdout]   --> src/day04.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_input_strict(input: &String) -> Vec<StrictPassport> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:165:8
[INFO] [stdout]     |
[INFO] [stdout] 164 | impl Passport<'_> {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] 165 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Cm` and `In` are never constructed
[INFO] [stdout]    --> src/day04.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | enum HeightUnit {
[INFO] [stdout]     |      ---------- variants in this enum
[INFO] [stdout] 178 |     Cm,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 179 |     In,
[INFO] [stdout]     |     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeightUnit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/day04.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 183 | enum EyeColor {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] 184 |     Amber,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 185 |     Blue,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 186 |     Brown,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 187 |     Gray,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 188 |     Green,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 189 |     Hazel,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 190 |     Other,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `EyeColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]    --> src/day04.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct StrictPassport<'a> {
[INFO] [stdout]     |        -------------- fields in this struct
[INFO] [stdout] 195 |     byr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 196 |     iyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 197 |     eyr: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 198 |     hgt: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 199 |     hgt_unit: Option<HeightUnit>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 200 |     hcl: Option<&'a str>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 201 |     ecl: Option<EyeColor>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 202 |     pid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 203 |     cid: Option<i32>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `StrictPassport` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]    --> src/day04.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | impl StrictPassport<'_> {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] 213 |     fn is_valid(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day05.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day05.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> src/day05.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn parse_input(input: String) -> Vec<Seat> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seat` is never constructed
[INFO] [stdout]   --> src/day05.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Seat {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `seat_id` is never used
[INFO] [stdout]   --> src/day05.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | impl Seat {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 59 |     fn seat_id(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part1` is never used
[INFO] [stdout]  --> src/day06.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn part1(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `part2` is never used
[INFO] [stdout]  --> src/day06.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn part2(input: String) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p1` is never used
[INFO] [stdout]   --> src/day06.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn do_p1(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_p2` is never used
[INFO] [stdout]   --> src/day06.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn do_p2(input: String) -> i32 {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_parents_recursive` is never used
[INFO] [stdout]   --> src/day07.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn find_parents_recursive(child: String, map: &HashMap<String, Vec<BagRelation>>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 31 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.88s
[INFO] running `Command { std: "docker" "inspect" "2db4298aa4ced37f78bc03118873a0b4a38893994542588b4d7949a55d00cb5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2db4298aa4ced37f78bc03118873a0b4a38893994542588b4d7949a55d00cb5e", kill_on_drop: false }`
[INFO] [stdout] 2db4298aa4ced37f78bc03118873a0b4a38893994542588b4d7949a55d00cb5e