this derivation will be built:
  /nix/store/d23kbmqjkqh1gjdcm0va9jczx92phhzs-rbw-pinentry-0.1.0.drv
building '/nix/store/d23kbmqjkqh1gjdcm0va9jczx92phhzs-rbw-pinentry-0.1.0.drv' on 'ssh-ng://customer@mac02'