this derivation will be built:
  /nix/store/pfvzbz3y369kmdf7dr3k9m2kbp79sdr9-flake-inputs.drv
building '/nix/store/pfvzbz3y369kmdf7dr3k9m2kbp79sdr9-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T00:41:12.121Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T00:41:12.535Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T00:41:12.830Z level=INFO msg="Upload complete. (808ms)"