these 2 derivations will be built:
  /nix/store/s0mv9ik18xbgw7icvras7igpz1vfrqdy-nix-grpc-store-0.1.0.drv
  /nix/store/w2zpydfmi0hr46h4s0bxqna8z2a7lacf-nix-grpc-store-exit-stress.drv