these 2 derivations will be built:
  /nix/store/z8h9zcqx1sp9yfdirdq4ajgkkh6kl0n3-flake-inputs.drv
  /nix/store/1g0y429lwm3px5r642myzn7adk2rhd3g-check-flake-inputs.drv
building '/nix/store/z8h9zcqx1sp9yfdirdq4ajgkkh6kl0n3-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/z8h9zcqx1sp9yfdirdq4ajgkkh6kl0n3-flake-inputs.drv'
building '/nix/store/1g0y429lwm3px5r642myzn7adk2rhd3g-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/1g0y429lwm3px5r642myzn7adk2rhd3g-check-flake-inputs.drv'

upload niks3: ok