this derivation will be built:
  /nix/store/fd8i5qvnwskshcgjvlyj3ly0zs7f1zn5-treefmt-check.drv
building '/nix/store/fd8i5qvnwskshcgjvlyj3ly0zs7f1zn5-treefmt-check.drv'
treefmt-check> traversed 434 files
treefmt-check> emitted 303 files for processing
treefmt-check> formatted 303 files (0 changed) in 21.9s

post-build step Upload to niks3: ok
time=2026-08-16T00:22:31.669Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-08-16T00:22:31.954Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-16T00:22:32.305Z level=INFO msg="Upload complete. (721ms)"