this derivation will be built:
  /nix/store/4brdx3iprbi1l6623rblg3qhkhickpk3-flake-inputs.drv
building '/nix/store/4brdx3iprbi1l6623rblg3qhkhickpk3-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-24T21:18:45.210Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-24T21:18:45.554Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T21:18:45.899Z level=INFO msg="Upload complete. (793ms)"