[INFO] cloning repository https://github.com/tino097/advent-of-code-2024
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tino097/advent-of-code-2024" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftino097%2Fadvent-of-code-2024", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftino097%2Fadvent-of-code-2024'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69c8f4db754483532e5265a6390f8b3810a1db0a
[INFO] building tino097/advent-of-code-2024 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftino097%2Fadvent-of-code-2024" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tino097/advent-of-code-2024 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tino097/advent-of-code-2024
[INFO] finished tweaking git repo https://github.com/tino097/advent-of-code-2024
[INFO] tweaked toml for git repo https://github.com/tino097/advent-of-code-2024 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tino097/advent-of-code-2024 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
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[INFO] running `Command { std: "docker" "start" "-a" "4cf9a586b4a96ae4940d44705b52ae7b50cb2b9d830459e49d494a5b117df680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cf9a586b4a96ae4940d44705b52ae7b50cb2b9d830459e49d494a5b117df680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf9a586b4a96ae4940d44705b52ae7b50cb2b9d830459e49d494a5b117df680", kill_on_drop: false }`
[INFO] [stdout] 4cf9a586b4a96ae4940d44705b52ae7b50cb2b9d830459e49d494a5b117df680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d46656c0b1070dccfb7cd5c853e6d5bb072e19b17ca38402834cdb75c0e0ed9
[INFO] running `Command { std: "docker" "start" "-a" "8d46656c0b1070dccfb7cd5c853e6d5bb072e19b17ca38402834cdb75c0e0ed9", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
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[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day6_1.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day6_2.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/solutions/day10_2.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day12_1.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, HashMap};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/solutions/day14_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day8_1.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut current = if *direction == -1 { p1 } else { p2 };
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day8_1.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut next = (
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/solutions/day9_2.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let (left, right) = disk.split_at_mut(s);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day13_1.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let (mut px, mut py) = prize;
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day13_1.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let (mut px, mut py) = prize;
[INFO] [stdout]    |                      ----^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prize` is never read
[INFO] [stdout]   --> src/solutions/day13_1.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut prize = None;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prize` is never read
[INFO] [stdout]   --> src/solutions/day13_2.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |    let mut prize = None;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Grid` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Grid = Vec<Vec<char>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Position` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Position = (usize, usize);
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_right` and `get_next_position` are never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Direction {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 16 |    fn turn_right(&self) -> Direction {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |    fn get_next_position(&self, pos: Position) -> Option<Position> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `creates_loop` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn creates_loop(grid: &Grid, start_pos: Position) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_guard` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn find_guard(grid: &Grid) -> Result<Position, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_initial_direction` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_initial_direction(grid: &Grid, pos: Position) -> Result<Direction, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_bounds` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn is_in_bounds(pos: Position, grid: &Grid) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_grid` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn parse_grid(input: &str) -> Grid {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equation` is never constructed
[INFO] [stdout]  --> src/solutions/day7_2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Equation {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_equation` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_equation(line: &str) -> Equation {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_operator_combinations` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn generate_operator_combinations(len: usize) -> Vec<Vec<Operator>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn evaluate(numbers: &[i64], operators: &[Operator]) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]  --> src/solutions/day9_2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout]  --> src/solutions/day13_1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Machine {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/solutions/day9_2.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     while block_idx_start >= 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "8d46656c0b1070dccfb7cd5c853e6d5bb072e19b17ca38402834cdb75c0e0ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d46656c0b1070dccfb7cd5c853e6d5bb072e19b17ca38402834cdb75c0e0ed9", kill_on_drop: false }`
[INFO] [stdout] 8d46656c0b1070dccfb7cd5c853e6d5bb072e19b17ca38402834cdb75c0e0ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4c6a53bdf91f27f3a4514238b38ac1a8354edf011702d87ab7159a3901a2ca
[INFO] running `Command { std: "docker" "start" "-a" "bf4c6a53bdf91f27f3a4514238b38ac1a8354edf011702d87ab7159a3901a2ca", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.author
[INFO] [stderr]    Compiling advent-of-code-2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day6_1.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day6_2.rs:1:24
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/solutions/day10_2.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, VecDeque};
[INFO] [stdout]   |                                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/solutions/day12_1.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, HashMap};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/solutions/day14_1.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day8_1.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut current = if *direction == -1 { p1 } else { p2 };
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day8_1.rs:46:7
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut next = (
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/solutions/day9_2.rs:68:22
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let (left, right) = disk.split_at_mut(s);
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day13_1.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let (mut px, mut py) = prize;
[INFO] [stdout]    |              ----^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/solutions/day13_1.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let (mut px, mut py) = prize;
[INFO] [stdout]    |                      ----^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prize` is never read
[INFO] [stdout]   --> src/solutions/day13_1.rs:52:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut prize = None;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `prize` is never read
[INFO] [stdout]   --> src/solutions/day13_2.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |    let mut prize = None;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Grid` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Grid = Vec<Vec<char>>;
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Position` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Position = (usize, usize);
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]  --> src/solutions/day6_2.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `turn_right` and `get_next_position` are never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Direction {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 16 |    fn turn_right(&self) -> Direction {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 25 |    fn get_next_position(&self, pos: Position) -> Option<Position> {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `creates_loop` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn creates_loop(grid: &Grid, start_pos: Position) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_guard` is never used
[INFO] [stdout]   --> src/solutions/day6_2.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn find_guard(grid: &Grid) -> Result<Position, Box<dyn Error>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_initial_direction` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:102:4
[INFO] [stdout]     |
[INFO] [stdout] 102 | fn get_initial_direction(grid: &Grid, pos: Position) -> Result<Direction, Box<dyn Error>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_bounds` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn is_in_bounds(pos: Position, grid: &Grid) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_grid` is never used
[INFO] [stdout]    --> src/solutions/day6_2.rs:116:4
[INFO] [stdout]     |
[INFO] [stdout] 116 | fn parse_grid(input: &str) -> Grid {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Equation` is never constructed
[INFO] [stdout]  --> src/solutions/day7_2.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Equation {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Operator` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Operator {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_equation` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn parse_equation(line: &str) -> Equation {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_operator_combinations` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn generate_operator_combinations(len: usize) -> Vec<Vec<Operator>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `evaluate` is never used
[INFO] [stdout]   --> src/solutions/day7_2.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn evaluate(numbers: &[i64], operators: &[Operator]) -> i64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part2` is never used
[INFO] [stdout]  --> src/solutions/day9_2.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn solve_part2(input: &str) -> Result<i64, Box<dyn Error>> {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Machine` is never constructed
[INFO] [stdout]  --> src/solutions/day13_1.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Machine {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/solutions/day9_2.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 36 |     while block_idx_start >= 0 {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "bf4c6a53bdf91f27f3a4514238b38ac1a8354edf011702d87ab7159a3901a2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4c6a53bdf91f27f3a4514238b38ac1a8354edf011702d87ab7159a3901a2ca", kill_on_drop: false }`
[INFO] [stdout] bf4c6a53bdf91f27f3a4514238b38ac1a8354edf011702d87ab7159a3901a2ca
