these 2 derivations will be built:
  /nix/store/pvd851bld35889jigklmilcvsjkvbqr1-nix-grpc-store-fuzzers-0.1.0.drv
  /nix/store/b25wwvlk7qbrn9lly4843k98cmi4m35w-nix-grpc-store-fuzz-smoke.drv