these 2 derivations will be built:
  /nix/store/ri5kqaj91ryg8wbbr3pzpbkxmx3asyxg-nix-grpc-store-fuzzers-0.1.0-beta.4.drv
  /nix/store/5vq6zl5qfay0yl208zc4w7y1qwk45vda-nix-grpc-store-fuzz-smoke.drv