these 2 derivations will be built:
  /nix/store/v9v51pc8kdlr1xhibvhlgq4l4hncxz5s-openspecui-src-with-lock.drv
  /nix/store/jr4vly1isy4zn7cmlps2ka1ir1xxqcz1-openspecui-9.0.2.drv