[INFO] cloning repository https://github.com/greenonion/advent-of-code-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/greenonion/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenonion%2Fadvent-of-code-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenonion%2Fadvent-of-code-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb72d97fefb37b2f6568898118b6090f8e63a7ba
[INFO] checking greenonion/advent-of-code-2020 against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgreenonion%2Fadvent-of-code-2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/greenonion/advent-of-code-2020 on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/greenonion/advent-of-code-2020
[INFO] finished tweaking git repo https://github.com/greenonion/advent-of-code-2020
[INFO] tweaked toml for git repo https://github.com/greenonion/advent-of-code-2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/greenonion/advent-of-code-2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e6fc9c7ca81e0a7c161dc2572013e0b77712e19371cfd19add54894d0960379
[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" "8e6fc9c7ca81e0a7c161dc2572013e0b77712e19371cfd19add54894d0960379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e6fc9c7ca81e0a7c161dc2572013e0b77712e19371cfd19add54894d0960379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6fc9c7ca81e0a7c161dc2572013e0b77712e19371cfd19add54894d0960379", kill_on_drop: false }`
[INFO] [stdout] 8e6fc9c7ca81e0a7c161dc2572013e0b77712e19371cfd19add54894d0960379
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aad38171ad823fdee505bfb81c1327afbd18bb2c4f925051f8d42b140502367
[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" "4aad38171ad823fdee505bfb81c1327afbd18bb2c4f925051f8d42b140502367", kill_on_drop: false }`
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day1.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day1.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]   --> src/day1.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn part_a(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]   --> src/day1.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn part_b(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `minimum`
[INFO] [stdout]   --> src/day2.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     minimum: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `maximum`
[INFO] [stdout]   --> src/day2.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     maximum: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character`
[INFO] [stdout]   --> src/day2.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/day2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos1`
[INFO] [stdout]   --> src/day2.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pos1: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos2`
[INFO] [stdout]   --> src/day2.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pos2: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character`
[INFO] [stdout]   --> src/day2.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/day2.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day2.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]    --> src/day2.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn solve() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day2.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day2.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/day3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/day3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/day3.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day3.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]   --> src/day3.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn part_a(&mut self) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]   --> src/day3.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn part_b(&mut self) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trees_at_slope`
[INFO] [stdout]   --> src/day3.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn trees_at_slope(&mut self, right: usize, down: usize) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square_kind_at`
[INFO] [stdout]    --> src/day3.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn square_kind_at(&self, pos: &Point) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]    --> src/day3.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn square(&self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to`
[INFO] [stdout]    --> src/day3.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn move_to(&mut self, direction: Direction) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_right`
[INFO] [stdout]    --> src/day3.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn move_right(&mut self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_down`
[INFO] [stdout]    --> src/day3.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn move_down(&mut self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_bottom`
[INFO] [stdout]    --> src/day3.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn is_at_bottom(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day4.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_strict`
[INFO] [stdout]   --> src/day4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn is_valid_strict(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_byr`
[INFO] [stdout]   --> src/day4.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn is_valid_byr(v: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_iyr`
[INFO] [stdout]    --> src/day4.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn is_valid_iyr(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_eyr`
[INFO] [stdout]    --> src/day4.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn is_valid_eyr(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_hgt`
[INFO] [stdout]    --> src/day4.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn is_valid_hgt(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_hcl`
[INFO] [stdout]    --> src/day4.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn is_valid_hcl(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_ecl`
[INFO] [stdout]    --> src/day4.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn is_valid_ecl(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_pid`
[INFO] [stdout]    --> src/day4.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn is_valid_pid(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]    --> src/day4.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct Problem {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/day4.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn new() -> Problem {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]    --> src/day4.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn solve() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day4.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day4.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BoardingPass`
[INFO] [stdout]  --> src/day5.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct BoardingPass {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day5.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(ticket: &str) -> BoardingPass {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `seat_id`
[INFO] [stdout]   --> src/day5.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn seat_id(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `row`
[INFO] [stdout]   --> src/day5.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn row(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `column`
[INFO] [stdout]   --> src/day5.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn column(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/day5.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day5.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day5.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day5.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day5.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day1.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day1.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]   --> src/day1.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn part_a(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]   --> src/day1.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn part_b(&self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `minimum`
[INFO] [stdout]   --> src/day2.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     minimum: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `maximum`
[INFO] [stdout]   --> src/day2.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     maximum: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character`
[INFO] [stdout]   --> src/day2.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/day2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos1`
[INFO] [stdout]   --> src/day2.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pos1: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pos2`
[INFO] [stdout]   --> src/day2.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pos2: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `character`
[INFO] [stdout]   --> src/day2.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     character: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `password`
[INFO] [stdout]   --> src/day2.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     password: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day2.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day2.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]    --> src/day2.rs:110:12
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub fn solve() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day2.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day2.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Down`
[INFO] [stdout]  --> src/day3.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> src/day3.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Right,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/day3.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day3.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day3.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]   --> src/day3.rs:78:8
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn part_a(&mut self) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]   --> src/day3.rs:82:8
[INFO] [stdout]    |
[INFO] [stdout] 82 |     fn part_b(&mut self) -> u64 {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trees_at_slope`
[INFO] [stdout]   --> src/day3.rs:90:8
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn trees_at_slope(&mut self, right: usize, down: usize) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square_kind_at`
[INFO] [stdout]    --> src/day3.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn square_kind_at(&self, pos: &Point) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `square`
[INFO] [stdout]    --> src/day3.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout] 114 |     fn square(&self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_to`
[INFO] [stdout]    --> src/day3.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn move_to(&mut self, direction: Direction) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_right`
[INFO] [stdout]    --> src/day3.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn move_right(&mut self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `move_down`
[INFO] [stdout]    --> src/day3.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 |     fn move_down(&mut self) -> &SquareKind {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_at_bottom`
[INFO] [stdout]    --> src/day3.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn is_at_bottom(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/day4.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn is_valid(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_strict`
[INFO] [stdout]   --> src/day4.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn is_valid_strict(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_byr`
[INFO] [stdout]   --> src/day4.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn is_valid_byr(v: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_iyr`
[INFO] [stdout]    --> src/day4.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn is_valid_iyr(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_eyr`
[INFO] [stdout]    --> src/day4.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn is_valid_eyr(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_hgt`
[INFO] [stdout]    --> src/day4.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn is_valid_hgt(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_hcl`
[INFO] [stdout]    --> src/day4.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn is_valid_hcl(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_ecl`
[INFO] [stdout]    --> src/day4.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn is_valid_ecl(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid_pid`
[INFO] [stdout]    --> src/day4.rs:147:8
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn is_valid_pid(v: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]    --> src/day4.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct Problem {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/day4.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn new() -> Problem {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]    --> src/day4.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn solve() {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day4.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day4.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Problem`
[INFO] [stdout]   --> src/day5.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub struct Problem {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/day5.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn new() -> Problem {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `solve`
[INFO] [stdout]   --> src/day5.rs:98:12
[INFO] [stdout]    |
[INFO] [stdout] 98 |     pub fn solve() {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_a`
[INFO] [stdout]    --> src/day5.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn part_a(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `part_b`
[INFO] [stdout]    --> src/day5.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn part_b(&self) -> u32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 51 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "4aad38171ad823fdee505bfb81c1327afbd18bb2c4f925051f8d42b140502367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aad38171ad823fdee505bfb81c1327afbd18bb2c4f925051f8d42b140502367", kill_on_drop: false }`
[INFO] [stdout] 4aad38171ad823fdee505bfb81c1327afbd18bb2c4f925051f8d42b140502367