this derivation will be built:
  /nix/store/gvqjhx1zk0j102i48nv7gxvj5cwlv16r-flake-inputs.drv
building '/nix/store/gvqjhx1zk0j102i48nv7gxvj5cwlv16r-flake-inputs.drv'

post-build step Upload to niks3: ok
time=2026-08-31T21:18:14.026Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (7 already cached)"
time=2026-08-31T21:18:14.493Z level=INFO msg="Uploading 1 narinfos"
time=2026-08-31T21:18:14.885Z level=INFO msg="Upload complete. (981ms)"