[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 try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faveltras%2Fadventofcode2020" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aveltras/adventofcode2020 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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-7/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: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afa71f1515f55563b51c526871846471c4fd5da0ce8131f5484d5bff020aef81
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "afa71f1515f55563b51c526871846471c4fd5da0ce8131f5484d5bff020aef81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afa71f1515f55563b51c526871846471c4fd5da0ce8131f5484d5bff020aef81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afa71f1515f55563b51c526871846471c4fd5da0ce8131f5484d5bff020aef81", kill_on_drop: false }`
[INFO] [stdout] afa71f1515f55563b51c526871846471c4fd5da0ce8131f5484d5bff020aef81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b4f08d143f79a6498f1abaf4b539d438a7d14c1523e26f4212275cea6fd31a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "77b4f08d143f79a6498f1abaf4b539d438a7d14c1523e26f4212275cea6fd31a", kill_on_drop: false }`
[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: 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: label name `'outer` shadows a label name that is already in scope
[INFO] [stdout]   --> src/day09/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'outer: for j in (i - window)..i {
[INFO] [stdout]    |         ------ first declared here
[INFO] [stdout] ...
[INFO] [stdout] 33 |     'outer: for i in 0..length {
[INFO] [stdout]    |     ^^^^^^ label `'outer` already in scope
[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: 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: label name `'outer` shadows a label name that is already in scope
[INFO] [stdout]   --> src/day09/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |         'outer: for j in (i - window)..i {
[INFO] [stdout]    |         ------ first declared here
[INFO] [stdout] ...
[INFO] [stdout] 33 |     'outer: for i in 0..length {
[INFO] [stdout]    |     ^^^^^^ label `'outer` already in scope
[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: 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: 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 is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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: field is never read: `min_occurences`
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_occurences`
[INFO] [stdout]  --> src/day02/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `letter`
[INFO] [stdout]  --> src/day02/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]  --> src/day02/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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 is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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 is never used: `collisions_per_slope`
[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: function is never used: `solve`
[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: field is never read: `birth_year`
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `issue_year`
[INFO] [stdout]   --> src/day04/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expiration_year`
[INFO] [stdout]   --> src/day04/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/day04/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hair_color`
[INFO] [stdout]   --> src/day04/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eye_color`
[INFO] [stdout]   --> src/day04/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `passport_id`
[INFO] [stdout]   --> src/day04/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/day04/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ValidPassport`
[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: function is never used: `validate_passport`
[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 is never used: `solve`
[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 is never used: `compute_seat_id`
[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 is never used: `solve`
[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 is never used: `solve`
[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 is never used: `find_contained`
[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 is never used: `find_container`
[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 is never used: `solve`
[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 is never used: `test`
[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 is never used: `solve`
[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: function is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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: field is never read: `min_occurences`
[INFO] [stdout]  --> src/day02/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     min_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_occurences`
[INFO] [stdout]  --> src/day02/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     max_occurences: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `letter`
[INFO] [stdout]  --> src/day02/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     letter: char,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `text`
[INFO] [stdout]  --> src/day02/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     text: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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 is never used: `solve`
[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 is never used: `solve_part1`
[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 is never used: `solve_part2`
[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 is never used: `collisions_per_slope`
[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: function is never used: `solve`
[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: field is never read: `birth_year`
[INFO] [stdout]   --> src/day04/mod.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     birth_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `issue_year`
[INFO] [stdout]   --> src/day04/mod.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     issue_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expiration_year`
[INFO] [stdout]   --> src/day04/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     expiration_year: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/day04/mod.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     height: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hair_color`
[INFO] [stdout]   --> src/day04/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     hair_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `eye_color`
[INFO] [stdout]   --> src/day04/mod.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     eye_color: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `passport_id`
[INFO] [stdout]   --> src/day04/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     passport_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `country_id`
[INFO] [stdout]   --> src/day04/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     country_id: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ValidPassport`
[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: function is never used: `validate_passport`
[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 is never used: `solve`
[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 is never used: `compute_seat_id`
[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 is never used: `solve`
[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 is never used: `solve`
[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 is never used: `find_contained`
[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 is never used: `find_container`
[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 is never used: `solve`
[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 is never used: `test`
[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 is never used: `solve`
[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: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 49 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "77b4f08d143f79a6498f1abaf4b539d438a7d14c1523e26f4212275cea6fd31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b4f08d143f79a6498f1abaf4b539d438a7d14c1523e26f4212275cea6fd31a", kill_on_drop: false }`
[INFO] [stdout] 77b4f08d143f79a6498f1abaf4b539d438a7d14c1523e26f4212275cea6fd31a