this derivation will be built:
  /nix/store/r0q8qx7j0jz1m3n8yzkfyvrf37zcbjq5-flake-inputs.drv
building '/nix/store/r0q8qx7j0jz1m3n8yzkfyvrf37zcbjq5-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T18:51:31.392Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T18:51:31.932Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T18:51:32.295Z level=INFO msg="Upload complete. (8.269s)"