this derivation will be built:
  /nix/store/chmb5mwcsqykvhrnw0v2kn1ikbf6dwls-treefmt-check.drv
building '/nix/store/chmb5mwcsqykvhrnw0v2kn1ikbf6dwls-treefmt-check.drv'
treefmt-check> traversed 213 files
treefmt-check> emitted 111 files for processing
treefmt-check> formatted 111 files (0 changed) in 814ms

post-build step Upload to niks3: ok
time=2026-08-20T14:04:21.631Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-08-20T14:04:22.071Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-20T14:04:22.500Z level=INFO msg="Upload complete. (894ms)"