this derivation will be built:
  /nix/store/9hl6h4qha5gbdm6hpxa8n285qi4v8cfc-flake-inputs.drv
building '/nix/store/9hl6h4qha5gbdm6hpxa8n285qi4v8cfc-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:14:47.683Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T21:14:48.079Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:14:48.409Z level=INFO msg="Upload complete. (859ms)"