these 3 derivations will be built:
  /nix/store/mci0wv46qhh6syjnpfqh6ij1gp2v14hb-treefmt.toml.drv
  /nix/store/qvsf2rxk20ksiazqpr794ppha78jd7fh-treefmt.drv
  /nix/store/s20slrn8kwbsjchiw8ivvlq8nz9lw3vk-treefmt-check.drv
building '/nix/store/mci0wv46qhh6syjnpfqh6ij1gp2v14hb-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/qvsf2rxk20ksiazqpr794ppha78jd7fh-treefmt.drv'
building '/nix/store/s20slrn8kwbsjchiw8ivvlq8nz9lw3vk-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 36 files
treefmt-check> emitted 27 files for processing
treefmt-check> formatted 27 files (0 changed) in 63ms

post-build step Route build to niks3: ok
Pushing mulatta/uv2nix-env to https://niks3.mulatta.io
time=2026-09-15T19:44:41.689+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-09-15T19:44:42.198+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-09-15T19:44:42.668+09:00 level=INFO msg="Upload complete. (1.054s)"