[INFO] cloning repository https://github.com/raisinbread/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/raisinbread/advent-of-code-2025" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraisinbread%2Fadvent-of-code-2025", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraisinbread%2Fadvent-of-code-2025'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ac3b3e6e46097d18751263c4952a04c473fab2e
[INFO] checking raisinbread/advent-of-code-2025 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for 2025-12-16-next-solver-global
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraisinbread%2Fadvent-of-code-2025" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/raisinbread/advent-of-code-2025
[INFO] finished tweaking git repo https://github.com/raisinbread/advent-of-code-2025
[INFO] tweaked toml for git repo https://github.com/raisinbread/advent-of-code-2025 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/raisinbread/advent-of-code-2025 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/raisinbread/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" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varisat-formula v0.2.2
[INFO] [stderr]   Downloaded varisat-checker v0.2.2
[INFO] [stderr]   Downloaded vec_mut_scan v0.3.0
[INFO] [stderr]   Downloaded partial_ref_derive v0.3.3
[INFO] [stderr]   Downloaded varisat v0.2.2
[INFO] [stderr]   Downloaded partial_ref v0.3.3
[INFO] [stderr]   Downloaded varisat-internal-macros v0.2.2
[INFO] [stderr]   Downloaded varisat-internal-proof v0.2.2
[INFO] [stderr]   Downloaded varisat-dimacs v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05b5dd0ef4e6d3d8bbc5b0dd69f10caa84a14940c7582883b8229638a3950796
[INFO] running `Command { std: "docker" "start" "-a" "05b5dd0ef4e6d3d8bbc5b0dd69f10caa84a14940c7582883b8229638a3950796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05b5dd0ef4e6d3d8bbc5b0dd69f10caa84a14940c7582883b8229638a3950796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05b5dd0ef4e6d3d8bbc5b0dd69f10caa84a14940c7582883b8229638a3950796", kill_on_drop: false }`
[INFO] [stdout] 05b5dd0ef4e6d3d8bbc5b0dd69f10caa84a14940c7582883b8229638a3950796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852f2853136ba5cef4f9ba3c8d149a1bb3ab384d81e4e5ea710dc358f6d7f952
[INFO] running `Command { std: "docker" "start" "-a" "852f2853136ba5cef4f9ba3c8d149a1bb3ab384d81e4e5ea710dc358f6d7f952", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]     Checking varisat-formula v0.2.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling varisat v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]     Checking vec_mut_scan v0.3.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking varisat-internal-proof v0.2.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling partial_ref_derive v0.3.3
[INFO] [stderr]     Checking partial_ref v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling varisat-internal-macros v0.2.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking varisat-dimacs v0.2.2
[INFO] [stderr]     Checking varisat-checker v0.2.2
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking advent-of-code-2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `solve_with_sat` is never used
[INFO] [stdout]    --> src/days/day12.rs:228:4
[INFO] [stdout]     |
[INFO] [stdout] 228 | fn solve_with_sat(
[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 `find_first_empty` is never used
[INFO] [stdout]    --> src/days/day12.rs:430:4
[INFO] [stdout]     |
[INFO] [stdout] 430 | fn find_first_empty(grid: &[Vec<Option<usize>>], width: usize, height: usize) -> Option<(usize, usize)> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solve_part_backtracking` is never used
[INFO] [stdout]    --> src/days/day12.rs:563:4
[INFO] [stdout]     |
[INFO] [stdout] 563 | fn solve_part_backtracking(filename: &str, part_name: &str, show_visualizations: bool) -> Result<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_first_empty` is never used
[INFO] [stdout]    --> src/days/day12.rs:430:4
[INFO] [stdout]     |
[INFO] [stdout] 430 | fn find_first_empty(grid: &[Vec<Option<usize>>], width: usize, height: usize) -> Option<(usize, 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 `solve_part_backtracking` is never used
[INFO] [stdout]    --> src/days/day12.rs:563:4
[INFO] [stdout]     |
[INFO] [stdout] 563 | fn solve_part_backtracking(filename: &str, part_name: &str, show_visualizations: bool) -> Result<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.08s
[INFO] running `Command { std: "docker" "inspect" "852f2853136ba5cef4f9ba3c8d149a1bb3ab384d81e4e5ea710dc358f6d7f952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852f2853136ba5cef4f9ba3c8d149a1bb3ab384d81e4e5ea710dc358f6d7f952", kill_on_drop: false }`
[INFO] [stdout] 852f2853136ba5cef4f9ba3c8d149a1bb3ab384d81e4e5ea710dc358f6d7f952