these 2 derivations will be built:
  /nix/store/g4v1z5rykvcga8x5fai3lfkz8bzcwwiw-nix-grpc-store-0.1.0.drv
  /nix/store/lppxgrrqxxnim8kjhkrmfzww68sm9ivm-nix-grpc-store-exit-stress.drv