this derivation will be built:
  /nix/store/srkv3pz8q2faagvfvggh94f916n5c843-flake-inputs.drv
building '/nix/store/srkv3pz8q2faagvfvggh94f916n5c843-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T00:49:41.148Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T00:49:41.506Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T00:49:41.942Z level=INFO msg="Upload complete. (1.131s)"