[INFO] cloning repository https://github.com/dj24/advent-of-code-2025
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dj24/advent-of-code-2025" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj24%2Fadvent-of-code-2025", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj24%2Fadvent-of-code-2025'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d4e8be4363807746e66e07675edc0c79a25979a
[INFO] testing dj24/advent-of-code-2025 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdj24%2Fadvent-of-code-2025" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dj24/advent-of-code-2025
[INFO] finished tweaking git repo https://github.com/dj24/advent-of-code-2025
[INFO] tweaked toml for git repo https://github.com/dj24/advent-of-code-2025 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dj24/advent-of-code-2025 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dj24/advent-of-code-2025 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6a55a566828ec8a95094406edf1a624f24a804cdf8af9ec7724d1a6a5da527d
[INFO] running `Command { std: "docker" "start" "-a" "e6a55a566828ec8a95094406edf1a624f24a804cdf8af9ec7724d1a6a5da527d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6a55a566828ec8a95094406edf1a624f24a804cdf8af9ec7724d1a6a5da527d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a55a566828ec8a95094406edf1a624f24a804cdf8af9ec7724d1a6a5da527d", kill_on_drop: false }`
[INFO] [stdout] e6a55a566828ec8a95094406edf1a624f24a804cdf8af9ec7724d1a6a5da527d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3323d8a41f0111d6c55d7a7f341d53e908ff416edee0d14fdfd767e28579cf2c
[INFO] running `Command { std: "docker" "start" "-a" "3323d8a41f0111d6c55d7a7f341d53e908ff416edee0d14fdfd767e28579cf2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]    Compiling day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]    Compiling day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]    Compiling day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]    Compiling day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> day-5/src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Range, RangeInclusive};
[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: `std::collections::HashSet`
[INFO] [stdout]  --> day-9/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[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: `thread`
[INFO] [stdout]  --> day-9/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> day-9/src/main.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 |acc, (j, coordinates)| {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-9/src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |         |acc, (i, check_coordinates)| {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_start_end_of_ranges` is never used
[INFO] [stdout]   --> day-5/src/main.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn trim_start_end_of_ranges(ranges: &Vec<RangeInclusive<u64>>) -> Vec<RangeInclusive<u64>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> day-7/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> day-7/src/main.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stdout]    |                 ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stdout] 96 +                 (Some('^'), (Some(a), _, Some(b)))  => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> day-10/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-12/src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut shapes = [PresentShape::default(); 5];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-12/src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut regions = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> day-12/src/main.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn parse_input(input: &str) -> ([PresentShape; 5], Vec<PresentRegion>) {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> day-12/src/main.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(contents) => {}
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> day-10/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PresentShape` is never constructed
[INFO] [stdout]  --> day-12/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct PresentShape([[bool; 3]; 3]);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day-12/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | impl PresentShape {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn new(values: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PresentRegion` is never constructed
[INFO] [stdout]   --> day-12/src/main.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct PresentRegion {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> day-12/src/main.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl PresentRegion {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 42 |     /// Parses a string in the format "WxH: a b c d e f"
[INFO] [stdout] 43 |     fn new(values: &str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `starts_with_digit_colon` is never used
[INFO] [stdout]   --> day-12/src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn starts_with_digit_colon(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_input` is never used
[INFO] [stdout]   --> day-12/src/main.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn parse_input(input: &str) -> ([PresentShape; 5], Vec<PresentRegion>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> day-10/src/main.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Ok(contents) => {}
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IndicatorLights` is never constructed
[INFO] [stdout]  --> day-10/src/main.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct IndicatorLights(Vec<bool>);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `apply_schematic` is never used
[INFO] [stdout]  --> day-10/src/main.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl IndicatorLights {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 7 |     fn apply_schematic(&mut self, schematic: &ButtonWiringSchematic) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ButtonWiringSchematic` is never constructed
[INFO] [stdout]   --> day-10/src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct ButtonWiringSchematic(Vec<u32>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `JoltageRequirements` is never constructed
[INFO] [stdout]   --> day-10/src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct JoltageRequirements(Vec<u32>);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Output` is never constructed
[INFO] [stdout]   --> day-10/src/main.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Output {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_indicator_segment` is never used
[INFO] [stdout]   --> day-10/src/main.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn parse_indicator_segment(segment: &str) -> IndicatorLights {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_button_wiring_segment` is never used
[INFO] [stdout]   --> day-10/src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn parse_button_wiring_segment(segment: &str) -> ButtonWiringSchematic {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_joltage_segment` is never used
[INFO] [stdout]   --> day-10/src/main.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn parse_joltage_segment(segment: &str) -> JoltageRequirements {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_output_from_line` is never used
[INFO] [stdout]   --> day-10/src/main.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn extract_output_from_line(line: &str) -> Output {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]  --> day-3/src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Ok(contents) => {
[INFO] [stdout]   |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-7/src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]   --> day-7/src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_line_part_2` is never used
[INFO] [stdout]   --> day-7/src/main.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn process_line_part_2(
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day-6/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_valid_rolls_in_grid` is never used
[INFO] [stdout]   --> day-4/src/main.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn count_valid_rolls_in_grid(grid: &Vec<Vec<char>>) -> u32 {
[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 `create_numbers_from_each_column` is never used
[INFO] [stdout]   --> day-6/src/main.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn create_numbers_from_each_column(row: &Vec<String>) -> Vec<u64> {
[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 `get_column_total_part_2` is never used
[INFO] [stdout]   --> day-6/src/main.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn get_column_total_part_2(column: Vec<String>) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slice_row` is never used
[INFO] [stdout]    --> day-6/src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn slice_row(line: &str) -> Vec<String> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "3323d8a41f0111d6c55d7a7f341d53e908ff416edee0d14fdfd767e28579cf2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3323d8a41f0111d6c55d7a7f341d53e908ff416edee0d14fdfd767e28579cf2c", kill_on_drop: false }`
[INFO] [stdout] 3323d8a41f0111d6c55d7a7f341d53e908ff416edee0d14fdfd767e28579cf2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a15b25714d6dfba6a0b24f0b5861515e294e2b530143329ace384afff0f4bfe1
[INFO] running `Command { std: "docker" "start" "-a" "a15b25714d6dfba6a0b24f0b5861515e294e2b530143329ace384afff0f4bfe1", kill_on_drop: false }`
[INFO] [stderr]    Compiling day-6 v0.1.0 (/opt/rustwide/workdir/day-6)
[INFO] [stderr]    Compiling day-5 v0.1.0 (/opt/rustwide/workdir/day-5)
[INFO] [stderr]    Compiling day-4 v0.1.0 (/opt/rustwide/workdir/day-4)
[INFO] [stderr]    Compiling day-1 v0.1.0 (/opt/rustwide/workdir/day-1)
[INFO] [stderr]    Compiling day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]    Compiling day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]    Compiling day-7 v0.1.0 (/opt/rustwide/workdir/day-7)
[INFO] [stderr]    Compiling day-9 v0.1.0 (/opt/rustwide/workdir/day-9)
[INFO] [stderr]    Compiling day-2 v0.1.0 (/opt/rustwide/workdir/day-2)
[INFO] [stderr]    Compiling day-3 v0.1.0 (/opt/rustwide/workdir/day-3)
[INFO] [stdout] warning: unused import: `std::collections::HashSet`
[INFO] [stdout]  --> day-10/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[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: `thread`
[INFO] [stdout]  --> day-10/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> day-10/src/main.rs:78:12
[INFO] [stdout]    |
[INFO] [stdout] 78 |         Ok(contents) => {}
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Range`
[INFO] [stdout]  --> day-5/src/main.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Range, RangeInclusive};
[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: `std::collections::HashSet`
[INFO] [stdout]  --> day-9/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashSet;
[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: `thread`
[INFO] [stdout]  --> day-9/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> day-7/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{fs, thread};
[INFO] [stdout]   |               ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]   --> day-7/src/main.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stdout]    |                 ^                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 -                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stdout] 96 +                 (Some('^'), (Some(a), _, Some(b)))  => {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> day-6/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[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 variable: `contents`
[INFO] [stdout]  --> day-3/src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |         Ok(contents) => {
[INFO] [stdout]   |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-7/src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stdout]    |          ----^^^
[INFO] [stdout]    |          |
[INFO] [stdout]    |          help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]   --> day-7/src/main.rs:77:10
[INFO] [stdout]    |
[INFO] [stdout] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-12/src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut shapes = [PresentShape::default(); 5];
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> day-12/src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let mut regions = Vec::new();
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> day-12/src/main.rs:86:16
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn parse_input(input: &str) -> ([PresentShape; 5], Vec<PresentRegion>) {
[INFO] [stdout]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> day-12/src/main.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |         Ok(contents) => {}
[INFO] [stdout]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `starts_with_digit_colon` is never used
[INFO] [stdout]   --> day-12/src/main.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn starts_with_digit_colon(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> day-9/src/main.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |                 |acc, (j, coordinates)| {
[INFO] [stdout]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> day-9/src/main.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |         |acc, (i, check_coordinates)| {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.66s
[INFO] running `Command { std: "docker" "inspect" "a15b25714d6dfba6a0b24f0b5861515e294e2b530143329ace384afff0f4bfe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a15b25714d6dfba6a0b24f0b5861515e294e2b530143329ace384afff0f4bfe1", kill_on_drop: false }`
[INFO] [stdout] a15b25714d6dfba6a0b24f0b5861515e294e2b530143329ace384afff0f4bfe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 295473962a728bf9186e021fcb5ddcf90caef206ac1c4db0629d79f8e1e5205f
[INFO] running `Command { std: "docker" "start" "-a" "295473962a728bf9186e021fcb5ddcf90caef206ac1c4db0629d79f8e1e5205f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> day-6/src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `day-6` (bin "day-6" test) generated 1 warning (run `cargo fix --bin "day-6" -p day-6 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: unused import: `Range`
[INFO] [stderr]  --> day-5/src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::{Range, RangeInclusive};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> day-10/src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> day-10/src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs, thread};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> day-10/src/main.rs:78:12
[INFO] [stderr]    |
[INFO] [stderr] 78 |         Ok(contents) => {}
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-12/src/main.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 87 |     let mut shapes = [PresentShape::default(); 5];
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-12/src/main.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let mut regions = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> day-12/src/main.rs:86:16
[INFO] [stderr]    |
[INFO] [stderr] 86 | fn parse_input(input: &str) -> ([PresentShape; 5], Vec<PresentRegion>) {
[INFO] [stderr]    |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> day-12/src/main.rs:97:12
[INFO] [stderr]    |
[INFO] [stderr] 97 |         Ok(contents) => {}
[INFO] [stderr]    |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: function `starts_with_digit_colon` is never used
[INFO] [stderr]   --> day-12/src/main.rs:78:4
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn starts_with_digit_colon(s: &str) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> day-7/src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs, thread};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around pattern
[INFO] [stderr]   --> day-7/src/main.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stderr]    |                 ^                                  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 -                 ((Some('^'), (Some(a), _, Some(b)))) => {
[INFO] [stderr] 96 +                 (Some('^'), (Some(a), _, Some(b)))  => {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> day-7/src/main.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stderr]    |          ----^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `acc`
[INFO] [stderr]   --> day-7/src/main.rs:77:10
[INFO] [stderr]    |
[INFO] [stderr] 77 |         |mut acc, (i, curr_char)| {
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]  --> day-3/src/main.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |         Ok(contents) => {
[INFO] [stderr]   |            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashSet`
[INFO] [stderr]  --> day-9/src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashSet;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread`
[INFO] [stderr]  --> day-9/src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{fs, thread};
[INFO] [stderr]   |               ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> day-9/src/main.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 |acc, (j, coordinates)| {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> day-9/src/main.rs:15:16
[INFO] [stderr]    |
[INFO] [stderr] 15 |         |acc, (i, check_coordinates)| {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `day-5` (bin "day-5" test) generated 1 warning (run `cargo fix --bin "day-5" -p day-5 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `day-10` (bin "day-10" test) generated 3 warnings (run `cargo fix --bin "day-10" -p day-10 --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `day-12` (bin "day-12" test) generated 5 warnings (run `cargo fix --bin "day-12" -p day-12 --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `day-7` (bin "day-7" test) generated 4 warnings (run `cargo fix --bin "day-7" -p day-7 --tests` to apply 4 suggestions)
[INFO] [stderr] warning: `day-3` (bin "day-3" test) generated 1 warning (run `cargo fix --bin "day-3" -p day-3 --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `day-9` (bin "day-9" test) generated 4 warnings (run `cargo fix --bin "day-9" -p day-9 --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day_1-3d6ed3a739ceb01b)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::computes_backward_wrap ... ok
[INFO] [stdout] test tests::computes_exact_backward_multiple_wrap ... ok
[INFO] [stdout] test tests::computes_exact_backward_wrap ... ok
[INFO] [stdout] test tests::computes_forward_wrap ... ok
[INFO] [stdout] test tests::computes_backwards_from_zero ... ok
[INFO] [stdout] test tests::computes_forwards_from_zero ... ok
[INFO] [stdout] test tests::computes_exact_wrap ... ok
[INFO] [stdout] test tests::computes_massive_negative_movement ... ok
[INFO] [stdout] test tests::computes_no_wrap ... ok
[INFO] [stdout] test tests::computes_no_wrap_from_zero_backwards ... ok
[INFO] [stdout] test tests::computes_single_backward_wrap ... ok
[INFO] [stdout] test tests::computes_no_wrap_from_zero_forwards ... ok
[INFO] [stdout] test tests::computes_massive_movement ... ok
[INFO] [stdout] test tests::computes_exact_multiple_wrap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day_10-6fd61ebc9c267d80)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/day_12-1378ae236edc3e4f)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_extract_output_from_line ... ok
[INFO] [stdout] test tests::test_parse_indicator_segment ... ok
[INFO] [stdout] test tests::test_parse_button_wiring_segment ... ok
[INFO] [stdout] test tests::test_parse_joltage_segment ... ok
[INFO] [stdout] test tests::test_apply_schematic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_present_shape_new ... ok
[INFO] [stdout] test tests::test_present_region_new ... ok
[INFO] [stdout] test tests::test_parse_input ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_parse_input stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_parse_input' (46) panicked at day-12/src/main.rs:173:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: [[false, false, false], [false, false, false], [false, false, false]]
[INFO] [stdout]  right: [[true, true, true], [true, true, false], [true, true, false]]
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63874e7c7472 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63874e7c7472 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63874e7c7472 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x63874e7c7472 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x63874e7dbcea - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x63874e7dbcea - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x63874e7cc276 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63874e7cc276 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x63874e7a5c0f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x63874e7a5c0f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x63874e7bf7a9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x63874e75b1de - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x63874e75b1de - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x63874e7bf962 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x63874e7bf962 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x63874e7a5cc8 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x63874e79aeb9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x63874e7a6b1d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x63874e7dc39c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x63874e7dc2b3 - core[585f66e14d78f9ba]::panicking::assert_failed_inner
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x63874e74813d - core[585f66e14d78f9ba]::panicking::assert_failed::<[[bool; 3usize]; 3usize], [[bool; 3usize]; 3usize]>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x63874e749b46 - day_12[3e5a29f853c8234c]::tests::test_parse_input
[INFO] [stdout]                                at /opt/rustwide/workdir/day-12/src/main.rs:173:9
[INFO] [stdout]   22:     0x63874e7485e7 - day_12[3e5a29f853c8234c]::tests::test_parse_input::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/day-12/src/main.rs:137:26
[INFO] [stdout]   23:     0x63874e74c256 - <day_12[3e5a29f853c8234c]::tests::test_parse_input::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63874e74f58b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x63874e74f58b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x63874e75bdea - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x63874e75bdea - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x63874e75bdea - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x63874e75bdea - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x63874e75bdea - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x63874e75bdea - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x63874e75bdea - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x63874e7562b4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x63874e7562b4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x63874e75e8e2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x63874e75e8e2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x63874e75e8e2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x63874e75e8e2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x63874e75e8e2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x63874e75e8e2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x63874e75e8e2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x63874e7c6d1f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x63874e7c6d1f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x7d84573bdaa4 - <unknown>
[INFO] [stdout]   45:     0x7d845744aa64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_parse_input
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p day-12 --bin day-12`
[INFO] running `Command { std: "docker" "inspect" "295473962a728bf9186e021fcb5ddcf90caef206ac1c4db0629d79f8e1e5205f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295473962a728bf9186e021fcb5ddcf90caef206ac1c4db0629d79f8e1e5205f", kill_on_drop: false }`
[INFO] [stdout] 295473962a728bf9186e021fcb5ddcf90caef206ac1c4db0629d79f8e1e5205f
