these 2 derivations will be built:
  /nix/store/gxjc6lb7yh1khpclgp1fg8b35nh8r7ww-generate-dependency-diagram.drv
  /nix/store/735c5nhm719blgq5gza24y76wxxhp1i1-check-dependency-diagram.drv
building '/nix/store/gxjc6lb7yh1khpclgp1fg8b35nh8r7ww-generate-dependency-diagram.drv' on 'ssh-ng://customer@mac02'