these 2 derivations will be built:
  /nix/store/diapd03mcqn1d0y3lsara9c1pgcbdy70-nix-grpc-store-0.2.2.drv
  /nix/store/fqapy0x1ipak0rmjaj8740d9l7xa8l20-nix-grpc-store-exit-stress.drv