this derivation will be built:
  /nix/store/fdlmmr7v9r7wmb6gl8arv2qx13a14jbb-nix-grpc-store-0.1.0.drv
building '/nix/store/fdlmmr7v9r7wmb6gl8arv2qx13a14jbb-nix-grpc-store-0.1.0.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/fdlmmr7v9r7wmb6gl8arv2qx13a14jbb-nix-grpc-store-0.1.0.drv'