this derivation will be built: /nix/store/sa18bbxcv4m30gdgfzm79jip3w45l6jj-check-ax.drv building '/nix/store/sa18bbxcv4m30gdgfzm79jip3w45l6jj-check-ax.drv' on 'ssh-ng://customer@mac02.m.ntd.one' building '/nix/store/sa18bbxcv4m30gdgfzm79jip3w45l6jj-check-ax.drv' upload niks3: ok