these 2 derivations will be built:
  /nix/store/zcvhgxnd3rq1a14nz7s9kh53ygmwil67-orca-ide_1.4.193_amd64.deb.drv
  /nix/store/5qkzvlz3lmsnpr36klk0zcmvfrkfbkwk-orca-1.4.193.drv