these 2 derivations will be built:
  /nix/store/64599qpvjgrda0hfpck3slhpfakhc0l4-nix-grpc-store-fuzzers-0.1.0-beta.4.drv
  /nix/store/zdws6q9mp8indxkbm7q25kykig1b7s4a-nix-grpc-store-fuzz-smoke.drv