these 2 derivations will be built:
  /nix/store/sc0ymwqpxp9r3g6mdl8ki2qw8k83z01s-nix-grpc-store-0.2.1.drv
  /nix/store/avx2bw7p0ak80scwq0mnz6lgy08dzn5x-nix-grpc-store-dispatcher.drv