this derivation will be built:
  /nix/store/71msj0d22z8gndajz8jl65hib2lvb5n3-treefmt-check.drv
building '/nix/store/71msj0d22z8gndajz8jl65hib2lvb5n3-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/71msj0d22z8gndajz8jl65hib2lvb5n3-treefmt-check.drv'