this derivation will be built:
  /nix/store/k6v4w0zqrj8f8nb72pqdnn016mhzrhf2-flake-inputs.drv
building '/nix/store/k6v4w0zqrj8f8nb72pqdnn016mhzrhf2-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T13:48:56.347Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T13:48:56.862Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T13:48:57.325Z level=INFO msg="Upload complete. (1.428s)"