these 2 derivations will be built:
  /nix/store/skw8swp7z7g17fvndsafx1vi337rhf83-nix-grpc-store-0.2.0.drv
  /nix/store/6802m4mahq49m0jj7y9av65vv8d4r4y5-nix-grpc-store-exit-stress.drv