these 3 derivations will be built:
  /nix/store/mm601irh3zygvm8j0sq80yvi33ywmsq1-nix-fast-build-with-grpc-store-2.0.4.drv
  /nix/store/1wkdy5w883njqyf1r1kwa66wifrnmb3x-nix-grpc-store-client.drv
  /nix/store/bi7zxamyw2wlxq6r1gs338n8ilp9b0hy-nix-grpc-store-client-check.drv