these 2 derivations will be built:
  /nix/store/anj7al63rgdb5iswxd2dy9rhnnd6ngy6-nix-grpc-store-0.2.3.drv
  /nix/store/avi077ib831xw9g7xcp61vv2h8imwmj6-nix-grpc-store-exit-stress.drv