this derivation will be built:
  /nix/store/0mygbxyxrmv4pq1kwd2sgs69nl3i9shi-treefmt-check.drv
building '/nix/store/0mygbxyxrmv4pq1kwd2sgs69nl3i9shi-treefmt-check.drv' on 'ssh-ng://customer@mac02'