these 2 derivations will be built:
  /nix/store/fn14qg7lc2km5xyvyxa1iz8d16r6wkn5-openspecui-src-with-lock.drv
  /nix/store/ygczslqiaslnznydn0qb0mi95c6xbjxz-openspecui-9.0.2.drv