these 2 derivations will be built:
  /nix/store/gsf3clnrx7w7xqk16xq18g6isydzmqi2-nix-grpc-store-0.1.0-beta.3.drv
  /nix/store/s8d3xhfrpjkmbl9y5rf2vhl7h737jnsl-nix-grpc-store-exit-stress.drv