these 3 derivations will be built:
  /nix/store/1y185p60rpqvh7hl64g8pvl7ayrgmfd3-treefmt.toml.drv
  /nix/store/103s3jpaps8ry3ai8g6jnwa8rw2immf9-treefmt.drv
  /nix/store/kawr16x2pzj6jwxljflbc0cwf5sabnnl-treefmt-check.drv
this path will be fetched (0.0 KiB download, 31.6 MiB unpacked):
  /nix/store/sddv779f9zwcm72i0nsa8sgy1zjcl2n4-ruff-0.16.3
building '/nix/store/1y185p60rpqvh7hl64g8pvl7ayrgmfd3-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/103s3jpaps8ry3ai8g6jnwa8rw2immf9-treefmt.drv'
building '/nix/store/kawr16x2pzj6jwxljflbc0cwf5sabnnl-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 481 files
treefmt-check> emitted 339 files for processing
treefmt-check> formatted 339 files (0 changed) in 1.168s

post-build step Upload to niks3: ok
time=2026-08-19T04:18:05.489Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-19T04:18:05.940Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-19T04:18:06.372Z level=INFO msg="Upload complete. (908ms)"