these 2 derivations will be built:
  /nix/store/n4qxvq4kqax3qa2nmalnszyrxf1c41f8-nix-grpc-store-0.2.2.drv
  /nix/store/0cgg539r58glivpiibmlharljnb6gb2b-nix-grpc-store-exit-stress.drv