these 2 derivations will be built:
  /nix/store/vszl2md30bfrxnnpv1z7hsrs0sg5x34q-swamp-20260930.234450.0-sha.657fe527.drv
  /nix/store/kr4jm3c92yp4vpdk91apdbyw2l7vvylc-check-swamp.drv