these 2 derivations will be built:
  /nix/store/311x1dqdxrqgwpzad2qg1b1lbcxywcwc-nix-grpc-store-0.2.3.drv
  /nix/store/rzswbynxz2dhiw6j1can09a7q0m3gmc0-nix-grpc-store-exit-stress.drv