[INFO] cloning repository https://github.com/rgreinho/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgreinho/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgreinho%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgreinho%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13fe579f8226b1ac08c50f9e339bf12be26bb10a
[INFO] checking rgreinho/aoc2021 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgreinho%2Faoc2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rgreinho/aoc2021
[INFO] finished tweaking git repo https://github.com/rgreinho/aoc2021
[INFO] tweaked toml for git repo https://github.com/rgreinho/aoc2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rgreinho/aoc2021 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rgreinho/aoc2021 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking rgreinho/aoc2021 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgreinho%2Faoc2021" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rgreinho/aoc2021
[INFO] finished tweaking git repo https://github.com/rgreinho/aoc2021
[INFO] tweaked toml for git repo https://github.com/rgreinho/aoc2021 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rgreinho/aoc2021 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rgreinho/aoc2021 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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b411d25a3dd3b7d409996d699c30ba5425ddba85c822452bb2bed40440e1cb6
[INFO] running `Command { std: "docker" "start" "-a" "2b411d25a3dd3b7d409996d699c30ba5425ddba85c822452bb2bed40440e1cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b411d25a3dd3b7d409996d699c30ba5425ddba85c822452bb2bed40440e1cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b411d25a3dd3b7d409996d699c30ba5425ddba85c822452bb2bed40440e1cb6", kill_on_drop: false }`
[INFO] [stdout] 2b411d25a3dd3b7d409996d699c30ba5425ddba85c822452bb2bed40440e1cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3001ca7e1d11d5cffc0c6aaf01e87742ec1e2f4542530b5858da3190be8932b0
[INFO] running `Command { std: "docker" "start" "-a" "3001ca7e1d11d5cffc0c6aaf01e87742ec1e2f4542530b5858da3190be8932b0", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking aoc2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DerefMut` and `Deref`
[INFO] [stdout]   --> src/day12.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::{Deref, DerefMut};
[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: `DerefMut` and `Deref`
[INFO] [stdout]   --> src/day12.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::ops::{Deref, DerefMut};
[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: `data`
[INFO] [stdout]   --> src/day08.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let data = read_input_sep::<&str, i32>("assets/day08.txt", ",");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day08.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn process_b(input: &[String]) -> i32 {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `higher_neighbors`
[INFO] [stdout]    --> src/day09.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let higher_neighbors: Vec<Point> = neighbors
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_higher_neighbors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_points`
[INFO] [stdout]    --> src/day09.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let low_points = find_low_points(&heightmap);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/day12.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let data = fs::read_to_string("assets/day12.txt").expect("Could not load file");
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/day12.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let data = fs::read_to_string("assets/day12.txt").expect("Could not load file");
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let data = fs::read_to_string("assets/day14.txt").expect("Could not load file");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `process_b` is never used
[INFO] [stdout]   --> src/day08.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn process_b(input: &[String]) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/day09.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Point {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse` is never used
[INFO] [stdout]   --> src/day12.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Cave {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn traverse(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/day08.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let data = read_input_sep::<&str, i32>("assets/day08.txt", ",");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day08.rs:20:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn process_b(input: &[String]) -> i32 {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `higher_neighbors`
[INFO] [stdout]    --> src/day09.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let higher_neighbors: Vec<Point> = neighbors
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_higher_neighbors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `low_points`
[INFO] [stdout]    --> src/day09.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |     let low_points = find_low_points(&heightmap);
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_low_points`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/day12.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let data = fs::read_to_string("assets/day12.txt").expect("Could not load file");
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/day12.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let data = fs::read_to_string("assets/day12.txt").expect("Could not load file");
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/day14.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let data = fs::read_to_string("assets/day14.txt").expect("Could not load file");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day14b`
[INFO] [stdout]   --> src/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | use aoc2021::day14::{day14a, day14b};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]  --> src/day09.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Point {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 5 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Point` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse` is never used
[INFO] [stdout]   --> src/day12.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Cave {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn traverse(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `day14b`
[INFO] [stdout]   --> src/main.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | use aoc2021::day14::{day14a, day14b};
[INFO] [stdout]    |                              ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "3001ca7e1d11d5cffc0c6aaf01e87742ec1e2f4542530b5858da3190be8932b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3001ca7e1d11d5cffc0c6aaf01e87742ec1e2f4542530b5858da3190be8932b0", kill_on_drop: false }`
[INFO] [stdout] 3001ca7e1d11d5cffc0c6aaf01e87742ec1e2f4542530b5858da3190be8932b0