these 2 derivations will be built:
  /nix/store/p1sybs60r51w0y7knlqs27b0bn6yx4ka-nix-grpc-store-0.2.2.drv
  /nix/store/0xry7j1zk88cbs0h09w7ab57f0srw485-nix-grpc-store-exit-stress.drv