these 2 derivations will be built:
  /nix/store/wkfsl9jls4z0zvz5ghwq32nbsxmmrm8y-orca-ide_1.4.206_amd64.deb.drv
  /nix/store/mp43x19qg43xgpsgyli7h83xf5fqajvl-orca-1.4.206.drv