these 3 derivations will be built:
  /nix/store/y49nd3qdwbyy1krq91a98abi8h8ar2fj-treefmt.toml.drv
  /nix/store/igskkq4mcqfyqz3hqb1qrfcrpyvhfhzk-treefmt.drv
  /nix/store/prjccbx5yf4dk1id9g8q7kgcsb0fykal-treefmt-check.drv
building '/nix/store/y49nd3qdwbyy1krq91a98abi8h8ar2fj-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/igskkq4mcqfyqz3hqb1qrfcrpyvhfhzk-treefmt.drv'
treefmt> structuredAttrs is enabled
building '/nix/store/prjccbx5yf4dk1id9g8q7kgcsb0fykal-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 65ms

post-build step Route build to niks3: ok
Pushing mulatta/uv2nix-env to https://niks3.mulatta.io
time=2026-09-29T19:44:23.315+09:00 level=INFO msg="Uploading 0 paths to niks3.mulatta.io (1 already cached)"
time=2026-09-29T19:44:24.321+09:00 level=INFO msg="Uploading 1 narinfos"
time=2026-09-29T19:44:24.838+09:00 level=INFO msg="Upload complete. (1.601s)"