[INFO] cloning repository https://github.com/purkylin/advent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/purkylin/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurkylin%2Fadvent-of-code-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurkylin%2Fadvent-of-code-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db41c14c0ead83d842ea9f286daca8da9c0f0964
[INFO] testing purkylin/advent-of-code-2023 against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpurkylin%2Fadvent-of-code-2023" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/purkylin/advent-of-code-2023
[INFO] finished tweaking git repo https://github.com/purkylin/advent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/purkylin/advent-of-code-2023 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/purkylin/advent-of-code-2023 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/purkylin/advent-of-code-2023 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 458c31bdf66ada74f6ad144f73a99eecf309281adf073963c53791578aa8a3ca
[INFO] running `Command { std: "docker" "start" "-a" "458c31bdf66ada74f6ad144f73a99eecf309281adf073963c53791578aa8a3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "458c31bdf66ada74f6ad144f73a99eecf309281adf073963c53791578aa8a3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "458c31bdf66ada74f6ad144f73a99eecf309281adf073963c53791578aa8a3ca", kill_on_drop: false }`
[INFO] [stdout] 458c31bdf66ada74f6ad144f73a99eecf309281adf073963c53791578aa8a3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d55b50d09e725248e2962578383082e93a0b2f9558a0087c35119dd1c6e119a0
[INFO] running `Command { std: "docker" "start" "-a" "d55b50d09e725248e2962578383082e93a0b2f9558a0087c35119dd1c6e119a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashSet` and `fmt::Display`
[INFO] [stdout]  --> src/day_08.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 3 |     fmt::Display,
[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 imports: `sync::ONCE_INIT` and `sync::OnceLock`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task1`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use day_08::{task1, task2};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `regex`
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | macro_rules! regex {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day_08.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn task1() -> usize {
[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 `test_input` is never used
[INFO] [stdout]    --> src/day_08.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn test_input() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sample` is never used
[INFO] [stdout]    --> src/day_08.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn test_sample() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.29s
[INFO] running `Command { std: "docker" "inspect" "d55b50d09e725248e2962578383082e93a0b2f9558a0087c35119dd1c6e119a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d55b50d09e725248e2962578383082e93a0b2f9558a0087c35119dd1c6e119a0", kill_on_drop: false }`
[INFO] [stdout] d55b50d09e725248e2962578383082e93a0b2f9558a0087c35119dd1c6e119a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45f0d91bf9d65f15bff9b81d6b6a87b95cd6f819d34e1ec51b9f0e8f421dc4f
[INFO] running `Command { std: "docker" "start" "-a" "d45f0d91bf9d65f15bff9b81d6b6a87b95cd6f819d34e1ec51b9f0e8f421dc4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `HashSet` and `fmt::Display`
[INFO] [stdout]  --> src/day_08.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{HashMap, HashSet},
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 3 |     fmt::Display,
[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 imports: `sync::ONCE_INIT` and `sync::OnceLock`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task1`
[INFO] [stdout]  --> src/main.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use day_08::{task1, task2};
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Regex`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `regex`
[INFO] [stdout]   --> src/main.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | macro_rules! regex {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]  --> src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task1` is never used
[INFO] [stdout]  --> src/day_08.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn task1() -> usize {
[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 `test_input` is never used
[INFO] [stdout]    --> src/day_08.rs:136:4
[INFO] [stdout]     |
[INFO] [stdout] 136 | fn test_input() {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_sample` is never used
[INFO] [stdout]    --> src/day_08.rs:146:4
[INFO] [stdout]     |
[INFO] [stdout] 146 | fn test_sample() {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "d45f0d91bf9d65f15bff9b81d6b6a87b95cd6f819d34e1ec51b9f0e8f421dc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45f0d91bf9d65f15bff9b81d6b6a87b95cd6f819d34e1ec51b9f0e8f421dc4f", kill_on_drop: false }`
[INFO] [stdout] d45f0d91bf9d65f15bff9b81d6b6a87b95cd6f819d34e1ec51b9f0e8f421dc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3194818454c86a6e0fcff902fb928cbaf7c89478834651373e8210d73c40f1ce
[INFO] running `Command { std: "docker" "start" "-a" "3194818454c86a6e0fcff902fb928cbaf7c89478834651373e8210d73c40f1ce", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `HashSet` and `fmt::Display`
[INFO] [stderr]  --> src/day_08.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::{HashMap, HashSet},
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr] 3 |     fmt::Display,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `sync::ONCE_INIT` and `sync::OnceLock`
[INFO] [stderr]  --> src/main.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `task1`
[INFO] [stderr]  --> src/main.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use day_08::{task1, task2};
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `regex::Regex`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use regex::Regex;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `regex`
[INFO] [stderr]   --> src/main.rs:20:14
[INFO] [stderr]    |
[INFO] [stderr] 20 | macro_rules! regex {
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stderr]  --> src/main.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{sync::OnceLock, sync::ONCE_INIT};
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `task1` is never used
[INFO] [stderr]  --> src/day_08.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn task1() -> usize {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_input` is never used
[INFO] [stderr]    --> src/day_08.rs:136:4
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn test_input() {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_sample` is never used
[INFO] [stderr]    --> src/day_08.rs:146:4
[INFO] [stderr]     |
[INFO] [stderr] 146 | fn test_sample() {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent-of-code-2023` (bin "advent-of-code-2023" test) generated 9 warnings (run `cargo fix --bin "advent-of-code-2023" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2023-0d2946e0200d5150)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test day_08::test_gcd ... ok
[INFO] [stdout] test day_08::test_sample_part2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3194818454c86a6e0fcff902fb928cbaf7c89478834651373e8210d73c40f1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3194818454c86a6e0fcff902fb928cbaf7c89478834651373e8210d73c40f1ce", kill_on_drop: false }`
[INFO] [stdout] 3194818454c86a6e0fcff902fb928cbaf7c89478834651373e8210d73c40f1ce