these 2 derivations will be built:
  /nix/store/pc9dfa0hvv9njsik5kch1fadqjris0iy-nix-grpc-store-fuzzers-0.1.0.drv
  /nix/store/56z1m2vzqgpcnnm2cb55xvakkh7x0avj-nix-grpc-store-fuzz-smoke.drv