these 2 derivations will be built:
  /nix/store/pnhx9cp61lrw0r5630b294r9v6iwdc70-flt-deps-0.1.0.drv
  /nix/store/394d1vbyl8jnzqp084cxy3ybfg7sjn6p-flt-doc-0.1.0.drv