these 2 derivations will be built:
  /nix/store/b3cf7w73m9qx5ynk67vnaj0c7xm89ml3-flake-inputs.drv
  /nix/store/5xfgg3v218kjfk1gnfqq3sxd9nphiykj-check-flake-inputs.drv
building '/nix/store/b3cf7w73m9qx5ynk67vnaj0c7xm89ml3-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/b3cf7w73m9qx5ynk67vnaj0c7xm89ml3-flake-inputs.drv'
building '/nix/store/5xfgg3v218kjfk1gnfqq3sxd9nphiykj-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/5xfgg3v218kjfk1gnfqq3sxd9nphiykj-check-flake-inputs.drv'

upload niks3: ok