this derivation will be built:
  /nix/store/pvn2cc7wdp0pixyh03yfph3jfvj6222y-flake-inputs.drv
building '/nix/store/pvn2cc7wdp0pixyh03yfph3jfvj6222y-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-28T21:28:19.099Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-28T21:28:19.460Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-28T21:28:19.815Z level=INFO msg="Upload complete. (815ms)"