these 2 derivations will be built:
  /nix/store/1b6p3nl20vs6x8hpaxb0fv1bhip0wm2a-nix-grpc-store-fuzzers-0.2.1.drv
  /nix/store/z8rvh078qdqkm2sym61v6l5x6nq4hxsr-nix-grpc-store-fuzz-smoke.drv