these 2 derivations will be built:
  /nix/store/fi58wcr7cs209fg0zagz8xqqx32km6vc-nix-grpc-store-fuzzers-0.2.3.drv
  /nix/store/5qggd49lqvgq376ypj3d3hvk6y6vfr74-nix-grpc-store-fuzz-smoke.drv