these 2 derivations will be built:
  /nix/store/y9qd9nxac68bfchir1q1yqc897m7gmyh-orca-ide_1.4.190_amd64.deb.drv
  /nix/store/ci1l0w4yxq6ixzky7xlwn43p7jcjyvhn-orca-1.4.190.drv