this derivation will be built:
  /nix/store/21hib722c0flcv9vbs00j8shf0jn95h1-flake-inputs.drv
building '/nix/store/21hib722c0flcv9vbs00j8shf0jn95h1-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-09-01T09:27:21.261Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-09-01T09:27:21.819Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-01T09:27:22.259Z level=INFO msg="Upload complete. (1.122s)"