these 2 derivations will be built:
  /nix/store/pdrngz1ypk6id7pjv56jpc11qbylqksx-zenity-4.2.2.drv
  /nix/store/jmkfzi66qnvy0liahyqmncd2fxffj195-rbw-pinentry-0.1.0.drv