this derivation will be built:
  /nix/store/mhv98rxiwps1nnvr481xyzrwdykj66an-flake-inputs.drv
building '/nix/store/mhv98rxiwps1nnvr481xyzrwdykj66an-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-25T18:16:42.583Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-25T18:16:43.179Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-25T18:16:43.704Z level=INFO msg="Upload complete. (1.227s)"