[INFO] cloning repository https://github.com/squidscode/advent_of_code2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/squidscode/advent_of_code2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquidscode%2Fadvent_of_code2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquidscode%2Fadvent_of_code2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ea7e1e3640419bfe9a11081f6ddb07222adec41
[INFO] checking squidscode/advent_of_code2023 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsquidscode%2Fadvent_of_code2023" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/squidscode/advent_of_code2023
[INFO] finished tweaking git repo https://github.com/squidscode/advent_of_code2023
[INFO] tweaked toml for git repo https://github.com/squidscode/advent_of_code2023 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/squidscode/advent_of_code2023 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/squidscode/advent_of_code2023 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d21b36a7eeb8380cc3926bc097fa3f9e0951a10829329ce99fa6a52576bca8e5
[INFO] running `Command { std: "docker" "start" "-a" "d21b36a7eeb8380cc3926bc097fa3f9e0951a10829329ce99fa6a52576bca8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d21b36a7eeb8380cc3926bc097fa3f9e0951a10829329ce99fa6a52576bca8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21b36a7eeb8380cc3926bc097fa3f9e0951a10829329ce99fa6a52576bca8e5", kill_on_drop: false }`
[INFO] [stdout] d21b36a7eeb8380cc3926bc097fa3f9e0951a10829329ce99fa6a52576bca8e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a393319a886377605b0a1230a9a0e323e98be0a9e868cd7ed86e9262211860dd
[INFO] running `Command { std: "docker" "start" "-a" "a393319a886377605b0a1230a9a0e323e98be0a9e868cd7ed86e9262211860dd", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/d13.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/d14.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt::write, fs};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/d13.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::write`
[INFO] [stdout]  --> src/d14.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fmt::write, fs};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[macro_use]` attribute cannot be used on macro defs
[INFO] [stdout]  --> src/util.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = help: `#[macro_use]` can be applied to crates, extern crates, and modules
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `farthest_point` is assigned to, but never used
[INFO] [stdout]    --> src/d10.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut farthest_point: (usize, usize) = (0, 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_farthest_point` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d2.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d3.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d4.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d4.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Span` is never constructed
[INFO] [stdout]  --> src/d5.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Span {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d5.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/d5.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn merge(mut set: BTreeSet<(u64, u64)>) -> BTreeSet<(u64, u64)> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_conflict` is never used
[INFO] [stdout]    --> src/d5.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn merge_conflict(set: &BTreeSet<(u64, u64)>) -> Option<((u64, u64), (u64, u64))> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]    --> src/d5.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn solvev1() {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d6.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d6.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/d7.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/d7.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Hand {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `tn` are never used
[INFO] [stdout]   --> src/d7.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn from(c: char) -> Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn tn(&self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_five_of_a_kind`, `is_four_of_a_kind`, `is_full_house`, `is_three_of_a_kind`, `is_two_pair`, and `is_one_pair` are never used
[INFO] [stdout]    --> src/d7.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Hand {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 100 |     fn is_five_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn is_full_house(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn is_two_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_one_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/d7.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/d7_p2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/d7_p2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Hand {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `tn` are never used
[INFO] [stdout]   --> src/d7_p2.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn from(c: char) -> Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn tn(&self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/d7_p2.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Hand {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 100 |     fn is_five_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn is_full_house(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn is_two_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_one_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn replace_jokers(&self, f: fn(Hand) -> bool) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/d7_p2.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d8.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_v1` is never used
[INFO] [stdout]    --> src/d8.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn solve_v1() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d9.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d9.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]    --> src/d10.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn solvev1() {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_north_connection` is never used
[INFO] [stdout]    --> src/d10.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn has_north_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_east_connection` is never used
[INFO] [stdout]    --> src/d10.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub fn has_east_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_south_connection` is never used
[INFO] [stdout]    --> src/d10.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn has_south_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_west_connection` is never used
[INFO] [stdout]    --> src/d10.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn has_west_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d11.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/d12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d12.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d12.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_to_key` is never used
[INFO] [stdout]   --> src/d12.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn rec_to_key(rec: &Record) -> (String, String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_permute` is never used
[INFO] [stdout]   --> src/d12.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn split_permute(rec: Record) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smart_permute` is never used
[INFO] [stdout]    --> src/d12.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn smart_permute(rec: Record, cache: &mut BTreeMap<(String, String), usize>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dp_permute` is never used
[INFO] [stdout]    --> src/d12.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn dp_permute(rec: Record, cache: &mut BTreeMap<(String, String), usize>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]    --> src/d12.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn permute(rec: Record) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brute_permute` is never used
[INFO] [stdout]    --> src/d12.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn brute_permute(rec: Record) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rtype` is never used
[INFO] [stdout]  --> src/d13.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Rtype {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d13.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_new_reflection` is never used
[INFO] [stdout]   --> src/d13.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn find_new_reflection(mat: Vec<Vec<char>>) -> (Rtype, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_reflections` is never used
[INFO] [stdout]   --> src/d13.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_reflections(mat: Vec<Vec<char>>) -> Vec<(Rtype, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Comp` is never used
[INFO] [stdout]   --> src/d14.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | type Comp = dyn FnMut(&(usize, usize), &(usize, usize)) -> Ordering;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_north` is never used
[INFO] [stdout]    --> src/d14.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn tilt_north(panel: Vec<Vec<char>>, rock_locations: Vec<(usize, usize)>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_char(self.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_char(self.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         f.write_str("<");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = f.write_str("<");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.cards.0.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.cards.0.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.cards.1.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.cards.1.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.cards.2.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.cards.2.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.cards.3.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.cards.3.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.cards.4.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.cards.4.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         f.write_str("; ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = f.write_str("; ");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         f.write_str(">");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = f.write_str(">");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_char(self.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_char(self.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         f.write_str("<");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = f.write_str("<");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.cards.0.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.cards.0.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.cards.1.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.cards.1.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.cards.2.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.cards.2.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.cards.3.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.cards.3.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.cards.4.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.cards.4.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         f.write_str("; ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = f.write_str("; ");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         f.write_str(">");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = f.write_str(">");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `farthest_point` is assigned to, but never used
[INFO] [stdout]    --> src/d10.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |     let mut farthest_point: (usize, usize) = (0, 0);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_farthest_point` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:217:13
[INFO] [stdout]     |
[INFO] [stdout] 217 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:229:13
[INFO] [stdout]     |
[INFO] [stdout] 229 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `farthest_point` is never read
[INFO] [stdout]    --> src/d10.rs:253:13
[INFO] [stdout]     |
[INFO] [stdout] 253 |             farthest_point = p;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d2.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d2.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d3.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d3.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d4.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d4.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Span` is never constructed
[INFO] [stdout]  --> src/d5.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Span {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d5.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge` is never used
[INFO] [stdout]   --> src/d5.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn merge(mut set: BTreeSet<(u64, u64)>) -> BTreeSet<(u64, u64)> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `merge_conflict` is never used
[INFO] [stdout]    --> src/d5.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn merge_conflict(set: &BTreeSet<(u64, u64)>) -> Option<((u64, u64), (u64, u64))> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]    --> src/d5.rs:122:8
[INFO] [stdout]     |
[INFO] [stdout] 122 | pub fn solvev1() {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d6.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d6.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/d7.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/d7.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Hand {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `tn` are never used
[INFO] [stdout]   --> src/d7.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn from(c: char) -> Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn tn(&self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_five_of_a_kind`, `is_four_of_a_kind`, `is_full_house`, `is_three_of_a_kind`, `is_two_pair`, and `is_one_pair` are never used
[INFO] [stdout]    --> src/d7.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Hand {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 100 |     fn is_five_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn is_full_house(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn is_two_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_one_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/d7.rs:271:8
[INFO] [stdout]     |
[INFO] [stdout] 271 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Card` is never constructed
[INFO] [stdout]  --> src/d7_p2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Card {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hand` is never constructed
[INFO] [stdout]   --> src/d7_p2.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Hand {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `from` and `tn` are never used
[INFO] [stdout]   --> src/d7_p2.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Card {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 44 |     pub fn from(c: char) -> Card {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn tn(&self) -> u16 {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/d7_p2.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  99 | impl Hand {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 100 |     fn is_five_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn is_four_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn is_full_house(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn is_three_of_a_kind(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn is_two_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     fn is_one_pair(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 191 |     fn replace_jokers(&self, f: fn(Hand) -> bool) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]    --> src/d7_p2.rs:315:8
[INFO] [stdout]     |
[INFO] [stdout] 315 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d8.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_v1` is never used
[INFO] [stdout]    --> src/d8.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn solve_v1() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d9.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d9.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d10.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]    --> src/d10.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn solvev1() {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_north_connection` is never used
[INFO] [stdout]    --> src/d10.rs:269:8
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn has_north_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_east_connection` is never used
[INFO] [stdout]    --> src/d10.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub fn has_east_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_south_connection` is never used
[INFO] [stdout]    --> src/d10.rs:277:8
[INFO] [stdout]     |
[INFO] [stdout] 277 | pub fn has_south_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_west_connection` is never used
[INFO] [stdout]    --> src/d10.rs:281:8
[INFO] [stdout]     |
[INFO] [stdout] 281 | pub fn has_west_connection(c: char) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]  --> src/d11.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn solve() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/d12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d12.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solvev1` is never used
[INFO] [stdout]   --> src/d12.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn solvev1() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rec_to_key` is never used
[INFO] [stdout]   --> src/d12.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn rec_to_key(rec: &Record) -> (String, String) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `split_permute` is never used
[INFO] [stdout]   --> src/d12.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn split_permute(rec: Record) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `smart_permute` is never used
[INFO] [stdout]    --> src/d12.rs:119:4
[INFO] [stdout]     |
[INFO] [stdout] 119 | fn smart_permute(rec: Record, cache: &mut BTreeMap<(String, String), usize>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dp_permute` is never used
[INFO] [stdout]    --> src/d12.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn dp_permute(rec: Record, cache: &mut BTreeMap<(String, String), usize>) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `permute` is never used
[INFO] [stdout]    --> src/d12.rs:238:4
[INFO] [stdout]     |
[INFO] [stdout] 238 | fn permute(rec: Record) -> usize {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `brute_permute` is never used
[INFO] [stdout]    --> src/d12.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn brute_permute(rec: Record) -> usize {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Rtype` is never used
[INFO] [stdout]  --> src/d13.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum Rtype {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve` is never used
[INFO] [stdout]   --> src/d13.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn solve() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_new_reflection` is never used
[INFO] [stdout]   --> src/d13.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn find_new_reflection(mat: Vec<Vec<char>>) -> (Rtype, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_reflections` is never used
[INFO] [stdout]   --> src/d13.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_reflections(mat: Vec<Vec<char>>) -> Vec<(Rtype, usize)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Comp` is never used
[INFO] [stdout]   --> src/d14.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 | type Comp = dyn FnMut(&(usize, usize), &(usize, usize)) -> Ordering;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tilt_north` is never used
[INFO] [stdout]    --> src/d14.rs:173:4
[INFO] [stdout]     |
[INFO] [stdout] 173 | fn tilt_north(panel: Vec<Vec<char>>, rock_locations: Vec<(usize, usize)>) -> Vec<Vec<char>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_char(self.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_char(self.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         f.write_str("<");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = f.write_str("<");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.cards.0.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.cards.0.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.cards.1.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.cards.1.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.cards.2.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.cards.2.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.cards.3.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.cards.3.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.cards.4.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.cards.4.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         f.write_str("; ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = f.write_str("; ");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         f.write_str(">");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = f.write_str(">");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         f.write_char(self.value);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = f.write_char(self.value);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         f.write_str("<");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = f.write_str("<");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |         self.cards.0.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = self.cards.0.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         self.cards.1.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let _ = self.cards.1.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         self.cards.2.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = self.cards.2.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         self.cards.3.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let _ = self.cards.3.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |         self.cards.4.fmt(f);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let _ = self.cards.4.fmt(f);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         f.write_str("; ");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |         let _ = f.write_str("; ");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |         f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let _ = f.write_str(self.bid.to_string().as_str());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/d7_p2.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |         f.write_str(">");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 32 |         let _ = f.write_str(">");
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "a393319a886377605b0a1230a9a0e323e98be0a9e868cd7ed86e9262211860dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a393319a886377605b0a1230a9a0e323e98be0a9e868cd7ed86e9262211860dd", kill_on_drop: false }`
[INFO] [stdout] a393319a886377605b0a1230a9a0e323e98be0a9e868cd7ed86e9262211860dd