this derivation will be built:
  /nix/store/nqjck5n95lhd4v0lz5968jrj5i5a04q3-treefmt-check.drv
building '/nix/store/nqjck5n95lhd4v0lz5968jrj5i5a04q3-treefmt-check.drv'
treefmt-check> traversed 487 files
treefmt-check> emitted 257 files for processing
treefmt-check> formatted 257 files (0 changed) in 1.33s

post-build step Upload to niks3: ok
time=2026-09-19T10:57:13.865Z level=INFO msg="Uploading 0 paths to 127.0.0.1 (1 already cached)"
time=2026-09-19T10:57:14.417Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-19T10:57:14.922Z level=INFO msg="Upload complete. (1.079s)"