these 2 derivations will be built:
  /nix/store/9s41c5svl2b5ri1z54g4xipyah3k5hhd-nix-grpc-store-0.1.0.drv
  /nix/store/rjrqi1iwr7qnnl9drg2q013yl18ygy6r-nix-grpc-store-exit-stress.drv
building '/nix/store/9s41c5svl2b5ri1z54g4xipyah3k5hhd-nix-grpc-store-0.1.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/9s41c5svl2b5ri1z54g4xipyah3k5hhd-nix-grpc-store-0.1.0.drv'