this derivation will be built:
  /nix/store/fgq6qjvh5lj155wy75c10w57cbfmn3p2-flake-inputs.drv
building '/nix/store/fgq6qjvh5lj155wy75c10w57cbfmn3p2-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-29T22:04:28.971Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-29T22:04:29.355Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-29T22:04:29.652Z level=INFO msg="Upload complete. (866ms)"