these 2 derivations will be built:
  /nix/store/l1vm7lhhr4915krhjvmkxd8n2whs6asf-nix-grpc-store-0.2.3.drv
  /nix/store/axn707cnlrgavf99909kfvi73xc1nbmj-nix-grpc-store-dispatcher.drv