these 2 derivations will be built:
  /nix/store/ifz02bf396rpw87r427sggj105sizbys-nix-grpc-store-0.2.3.drv
  /nix/store/l6mblp8sh0k17564d44amwf7vmfzwjlp-nix-grpc-store-exit-stress.drv