these 2 derivations will be built:
  /nix/store/7hfvkxc8v7dkivwh3bvmapaqzhcn7n83-nix-grpc-store-0.1.0.drv
  /nix/store/ikfq2k4xpzlg0kfax9dxg40ccvy41khb-nix-grpc-store-exit-stress.drv
building '/nix/store/7hfvkxc8v7dkivwh3bvmapaqzhcn7n83-nix-grpc-store-0.1.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/7hfvkxc8v7dkivwh3bvmapaqzhcn7n83-nix-grpc-store-0.1.0.drv'