this derivation will be built:
  /nix/store/k256s701rbard5f2x4fvkn9cg354gsr1-flake-inputs.drv
building '/nix/store/k256s701rbard5f2x4fvkn9cg354gsr1-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-24T18:19:42.069Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-24T18:19:42.569Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-24T18:19:43.410Z level=INFO msg="Upload complete. (1.434s)"