these 3 derivations will be built:
  /nix/store/fqj8fm9f2s40mnkjnwz52y4p99rh7ckf-zat-0.5.4-vendor.drv
  /nix/store/nslblgavk1ad4hafa0b68p1jvr1isw79-zat-0.5.4.drv
  /nix/store/3xm9ks1dssd7cycqpb7krcarr9qzwvf5-check-zat.drv