these 3 derivations will be built:
  /nix/store/i60vnc955wmcjllrfyssw7nllbyk4z3f-orca-ide_1.4.211_amd64.deb.drv
  /nix/store/bz0x6ll7pxkmpiyb080j92p1lwhlkhvs-orca-1.4.211.drv
  /nix/store/w56rb1mxzapc7mpnsb7668435rx9qfcy-check-orca.drv