these 2 derivations will be built:
  /nix/store/pbvdd0rmhw0mvysr6fq90cygl9xly167-nix-grpc-store-0.2.0.drv
  /nix/store/n2syhhrgzcc7nhbbf3nl167gr1d1vlr5-nix-grpc-store-exit-stress.drv