[INFO] cloning repository https://github.com/aveltras/adventofcode2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aveltras/adventofcode2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveltras%2Fadventofcode2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveltras%2Fadventofcode2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b7ce766a86911c08e57dd4b7c8329b00244a688
[INFO] checking aveltras/adventofcode2020 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveltras%2Fadventofcode2020" "/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/aveltras/adventofcode2020 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/aveltras/adventofcode2020
[INFO] finished tweaking git repo https://github.com/aveltras/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/aveltras/adventofcode2020 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aveltras/adventofcode2020 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.4.4
[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] 2581d429234fc1f6eb534804e46163b80f6cb23469f98de9302074830a739dcc
[INFO] running `Command { std: "docker" "start" "-a" "2581d429234fc1f6eb534804e46163b80f6cb23469f98de9302074830a739dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2581d429234fc1f6eb534804e46163b80f6cb23469f98de9302074830a739dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2581d429234fc1f6eb534804e46163b80f6cb23469f98de9302074830a739dcc", kill_on_drop: false }`
[INFO] [stdout] 2581d429234fc1f6eb534804e46163b80f6cb23469f98de9302074830a739dcc
[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] 14337eaa3e284c0b8392c05be049f7cd054b7ec63097de43dc72fd7b3bbdf63c
[INFO] running `Command { std: "docker" "start" "-a" "14337eaa3e284c0b8392c05be049f7cd054b7ec63097de43dc72fd7b3bbdf63c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]  --> src/day04/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex;
[INFO] [stdout]   |     ^^^^^ the item `regex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/day04/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]  --> src/day04/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex;
[INFO] [stdout]   |     ^^^^^ the item `regex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/day04/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/day04/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/day04/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]    --> src/day04/mod.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let birth_year = passport.birth_year.parse::<BirthYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]    --> src/day04/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let issue_year = passport.issue_year.parse::<IssueYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp_year`
[INFO] [stdout]    --> src/day04/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let exp_year = passport.expiration_year.parse::<ExpirationYear>()?;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/day04/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let height = passport.height.parse::<Height>()?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hair_color`
[INFO] [stdout]    --> src/day04/mod.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let hair_color = passport.hair_color.parse::<HairColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hair_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eye_color`
[INFO] [stdout]    --> src/day04/mod.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let eye_color = passport.eye_color.parse::<EyeColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eye_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passport_id`
[INFO] [stdout]    --> src/day04/mod.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let passport_id = passport.passport_id.parse::<PassportId>()?;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passport_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]  --> src/day08/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (pointer, acc) = test(&instructions).err().unwrap();
[INFO] [stdout]   |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]   --> src/day08/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/day08/mod.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Err((p, _)) => {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day08/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]    --> src/day04/mod.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let birth_year = passport.birth_year.parse::<BirthYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day01/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]  --> src/day01/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve_part1() -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day01/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_occurences`, `max_occurences`, `letter`, and `text` are never read
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Password {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day02/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part1() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day02/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day03/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day03/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part1(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day03/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve_part2(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collisions_per_slope` is never used
[INFO] [stdout]   --> src/day03/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn collisions_per_slope(tree_area: &TreeArea, (x, y): &(usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locations` is never read
[INFO] [stdout]   --> src/day03/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct TreeArea {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 45 |     locations: Vec<Vec<bool>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day04/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Passport {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidPassport` is never constructed
[INFO] [stdout]   --> src/day04/mod.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct ValidPassport(Passport);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(u32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(());
[INFO] [stdout]     |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(u32),
[INFO] [stdout]     |     ----------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(u32),
[INFO] [stdout]     |     ------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]    --> src/day04/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let issue_year = passport.issue_year.parse::<IssueYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp_year`
[INFO] [stdout]    --> src/day04/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let exp_year = passport.expiration_year.parse::<ExpirationYear>()?;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/day04/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let height = passport.height.parse::<Height>()?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hair_color`
[INFO] [stdout]    --> src/day04/mod.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let hair_color = passport.hair_color.parse::<HairColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hair_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eye_color`
[INFO] [stdout]    --> src/day04/mod.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let eye_color = passport.eye_color.parse::<EyeColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eye_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passport_id`
[INFO] [stdout]    --> src/day04/mod.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let passport_id = passport.passport_id.parse::<PassportId>()?;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passport_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/day04/mod.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor(u8, u8, u8);
[INFO] [stdout]     |        --------- ^^  ^^  ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor((), (), ());
[INFO] [stdout]     |                  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(String);
[INFO] [stdout]     |        ---------- ^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_passport` is never used
[INFO] [stdout]    --> src/day04/mod.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn validate_passport(passport: Passport) -> Result<ValidPassport, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day05/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_seat_id` is never used
[INFO] [stdout]   --> src/day05/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute_seat_id(seat: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day06/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day07/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_contained` is never used
[INFO] [stdout]   --> src/day07/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn find_contained(key: String, map: &HashMap<String, HashMap<String, usize>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_container` is never used
[INFO] [stdout]   --> src/day07/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn find_container(key: String, map: &HashMap<String, HashSet<String>>) -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day08/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/day08/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test(instructions: &Vec<Instruction>) -> Result<i32, (usize, i32)> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day09/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]  --> src/day08/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (pointer, acc) = test(&instructions).err().unwrap();
[INFO] [stdout]   |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]   --> src/day08/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/day08/mod.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Err((p, _)) => {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day08/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day01/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]  --> src/day01/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve_part1() -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day01/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_occurences`, `max_occurences`, `letter`, and `text` are never read
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Password {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day02/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part1() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day02/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day03/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day03/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part1(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day03/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve_part2(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collisions_per_slope` is never used
[INFO] [stdout]   --> src/day03/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn collisions_per_slope(tree_area: &TreeArea, (x, y): &(usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locations` is never read
[INFO] [stdout]   --> src/day03/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct TreeArea {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 45 |     locations: Vec<Vec<bool>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day04/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Passport {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidPassport` is never constructed
[INFO] [stdout]   --> src/day04/mod.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct ValidPassport(Passport);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(u32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(());
[INFO] [stdout]     |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(u32),
[INFO] [stdout]     |     ----------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(u32),
[INFO] [stdout]     |     ------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/day04/mod.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor(u8, u8, u8);
[INFO] [stdout]     |        --------- ^^  ^^  ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor((), (), ());
[INFO] [stdout]     |                  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(String);
[INFO] [stdout]     |        ---------- ^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_passport` is never used
[INFO] [stdout]    --> src/day04/mod.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn validate_passport(passport: Passport) -> Result<ValidPassport, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day05/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_seat_id` is never used
[INFO] [stdout]   --> src/day05/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute_seat_id(seat: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day06/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day07/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_contained` is never used
[INFO] [stdout]   --> src/day07/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn find_contained(key: String, map: &HashMap<String, HashMap<String, usize>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_container` is never used
[INFO] [stdout]   --> src/day07/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn find_container(key: String, map: &HashMap<String, HashSet<String>>) -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day08/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/day08/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test(instructions: &Vec<Instruction>) -> Result<i32, (usize, i32)> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day09/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "14337eaa3e284c0b8392c05be049f7cd054b7ec63097de43dc72fd7b3bbdf63c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14337eaa3e284c0b8392c05be049f7cd054b7ec63097de43dc72fd7b3bbdf63c", kill_on_drop: false }`
[INFO] [stdout] 14337eaa3e284c0b8392c05be049f7cd054b7ec63097de43dc72fd7b3bbdf63c
[INFO] checking aveltras/adventofcode2020 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveltras%2Fadventofcode2020" "/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/aveltras/adventofcode2020 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/aveltras/adventofcode2020
[INFO] finished tweaking git repo https://github.com/aveltras/adventofcode2020
[INFO] tweaked toml for git repo https://github.com/aveltras/adventofcode2020 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aveltras/adventofcode2020 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] d1171182ffb775f524e981bfc6a9004e389c5e39b782b924b33fe8fa2c482e8a
[INFO] running `Command { std: "docker" "start" "-a" "d1171182ffb775f524e981bfc6a9004e389c5e39b782b924b33fe8fa2c482e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1171182ffb775f524e981bfc6a9004e389c5e39b782b924b33fe8fa2c482e8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1171182ffb775f524e981bfc6a9004e389c5e39b782b924b33fe8fa2c482e8a", kill_on_drop: false }`
[INFO] [stdout] d1171182ffb775f524e981bfc6a9004e389c5e39b782b924b33fe8fa2c482e8a
[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] ce4bf2e0a693a9d9378206f2f7405e3a4cd96c2a420b99259cabd430104acbde
[INFO] running `Command { std: "docker" "start" "-a" "ce4bf2e0a693a9d9378206f2f7405e3a4cd96c2a420b99259cabd430104acbde", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking adventofcode2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]  --> src/day04/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex;
[INFO] [stdout]   |     ^^^^^ the item `regex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/day04/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `regex` is imported redundantly
[INFO] [stdout]  --> src/day04/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use regex;
[INFO] [stdout]   |     ^^^^^ the item `regex` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/day04/mod.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs, io};
[INFO] [stdout]   |               ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/day04/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]    --> src/day04/mod.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let birth_year = passport.birth_year.parse::<BirthYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]    --> src/day04/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let issue_year = passport.issue_year.parse::<IssueYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp_year`
[INFO] [stdout]    --> src/day04/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let exp_year = passport.expiration_year.parse::<ExpirationYear>()?;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/day04/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let height = passport.height.parse::<Height>()?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hair_color`
[INFO] [stdout]    --> src/day04/mod.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let hair_color = passport.hair_color.parse::<HairColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hair_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eye_color`
[INFO] [stdout]    --> src/day04/mod.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let eye_color = passport.eye_color.parse::<EyeColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eye_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passport_id`
[INFO] [stdout]    --> src/day04/mod.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let passport_id = passport.passport_id.parse::<PassportId>()?;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passport_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]  --> src/day08/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (pointer, acc) = test(&instructions).err().unwrap();
[INFO] [stdout]   |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]   --> src/day08/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/day08/mod.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Err((p, _)) => {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day08/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day01/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]  --> src/day01/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve_part1() -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day01/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_occurences`, `max_occurences`, `letter`, and `text` are never read
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Password {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day02/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part1() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day02/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day03/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day03/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part1(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day03/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve_part2(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collisions_per_slope` is never used
[INFO] [stdout]   --> src/day03/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn collisions_per_slope(tree_area: &TreeArea, (x, y): &(usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locations` is never read
[INFO] [stdout]   --> src/day03/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct TreeArea {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 45 |     locations: Vec<Vec<bool>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day04/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Passport {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidPassport` is never constructed
[INFO] [stdout]   --> src/day04/mod.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct ValidPassport(Passport);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(u32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(());
[INFO] [stdout]     |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(u32),
[INFO] [stdout]     |     ----------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(u32),
[INFO] [stdout]     |     ------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/day04/mod.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor(u8, u8, u8);
[INFO] [stdout]     |        --------- ^^  ^^  ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor((), (), ());
[INFO] [stdout]     |                  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(String);
[INFO] [stdout]     |        ---------- ^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_passport` is never used
[INFO] [stdout]    --> src/day04/mod.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn validate_passport(passport: Passport) -> Result<ValidPassport, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day05/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_seat_id` is never used
[INFO] [stdout]   --> src/day05/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute_seat_id(seat: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day06/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day07/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_contained` is never used
[INFO] [stdout]   --> src/day07/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn find_contained(key: String, map: &HashMap<String, HashMap<String, usize>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_container` is never used
[INFO] [stdout]   --> src/day07/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn find_container(key: String, map: &HashMap<String, HashSet<String>>) -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day08/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/day08/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test(instructions: &Vec<Instruction>) -> Result<i32, (usize, i32)> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day09/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/day04/mod.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 Err(err) => {
[INFO] [stdout]    |                     ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `birth_year`
[INFO] [stdout]    --> src/day04/mod.rs:244:9
[INFO] [stdout]     |
[INFO] [stdout] 244 |     let birth_year = passport.birth_year.parse::<BirthYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_birth_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `issue_year`
[INFO] [stdout]    --> src/day04/mod.rs:245:9
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let issue_year = passport.issue_year.parse::<IssueYear>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_issue_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exp_year`
[INFO] [stdout]    --> src/day04/mod.rs:246:9
[INFO] [stdout]     |
[INFO] [stdout] 246 |     let exp_year = passport.expiration_year.parse::<ExpirationYear>()?;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exp_year`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]    --> src/day04/mod.rs:247:9
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let height = passport.height.parse::<Height>()?;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hair_color`
[INFO] [stdout]    --> src/day04/mod.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let hair_color = passport.hair_color.parse::<HairColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hair_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `eye_color`
[INFO] [stdout]    --> src/day04/mod.rs:249:9
[INFO] [stdout]     |
[INFO] [stdout] 249 |     let eye_color = passport.eye_color.parse::<EyeColor>()?;
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_eye_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `passport_id`
[INFO] [stdout]    --> src/day04/mod.rs:250:9
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let passport_id = passport.passport_id.parse::<PassportId>()?;
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_passport_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]  --> src/day08/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let (pointer, acc) = test(&instructions).err().unwrap();
[INFO] [stdout]   |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pointer`
[INFO] [stdout]   --> src/day08/mod.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pointer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/day08/mod.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |                     Err((p, _)) => {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day08/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let mut pointer = 0;
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day01/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]  --> src/day01/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solve_part1() -> usize {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day01/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `min_occurences`, `max_occurences`, `letter`, and `text` are never read
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Password {
[INFO] [stdout]   |        -------- fields in this struct
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/day02/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day02/mod.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part1() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day02/mod.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub fn solve_part2() -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day03/mod.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part1` is never used
[INFO] [stdout]   --> src/day03/mod.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn solve_part1(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/day03/mod.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn solve_part2(tree_area: &TreeArea) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `collisions_per_slope` is never used
[INFO] [stdout]   --> src/day03/mod.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn collisions_per_slope(tree_area: &TreeArea, (x, y): &(usize, usize)) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `locations` is never read
[INFO] [stdout]   --> src/day03/mod.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct TreeArea {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 45 |     locations: Vec<Vec<bool>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TreeArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day04/mod.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Passport {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ValidPassport` is never constructed
[INFO] [stdout]   --> src/day04/mod.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | struct ValidPassport(Passport);
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:100:18
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct BirthYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(u32);
[INFO] [stdout]     |        --------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 116 | struct IssueYear(());
[INFO] [stdout]     |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:132:23
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(u32);
[INFO] [stdout]     |        -------------- ^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ExpirationYear(());
[INFO] [stdout]     |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(u32),
[INFO] [stdout]     |     ----------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Centimeters(()),
[INFO] [stdout]     |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(u32),
[INFO] [stdout]     |     ------ ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 150 |     Inches(()),
[INFO] [stdout]     |            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]    --> src/day04/mod.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor(u8, u8, u8);
[INFO] [stdout]     |        --------- ^^  ^^  ^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        fields in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 180 | struct HairColor((), (), ());
[INFO] [stdout]     |                  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/day04/mod.rs:228:19
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(String);
[INFO] [stdout]     |        ---------- ^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 228 | struct PassportId(());
[INFO] [stdout]     |                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `validate_passport` is never used
[INFO] [stdout]    --> src/day04/mod.rs:243:4
[INFO] [stdout]     |
[INFO] [stdout] 243 | fn validate_passport(passport: Passport) -> Result<ValidPassport, &'static str> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day05/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_seat_id` is never used
[INFO] [stdout]   --> src/day05/mod.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn compute_seat_id(seat: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day06/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day07/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_contained` is never used
[INFO] [stdout]   --> src/day07/mod.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn find_contained(key: String, map: &HashMap<String, HashMap<String, usize>>) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_container` is never used
[INFO] [stdout]   --> src/day07/mod.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn find_container(key: String, map: &HashMap<String, HashSet<String>>) -> HashSet<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day08/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/day08/mod.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn test(instructions: &Vec<Instruction>) -> Result<i32, (usize, i32)> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/day09/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() -> (usize, usize) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 47 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "ce4bf2e0a693a9d9378206f2f7405e3a4cd96c2a420b99259cabd430104acbde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce4bf2e0a693a9d9378206f2f7405e3a4cd96c2a420b99259cabd430104acbde", kill_on_drop: false }`
[INFO] [stdout] ce4bf2e0a693a9d9378206f2f7405e3a4cd96c2a420b99259cabd430104acbde