these 2 derivations will be built:
  /nix/store/5a2k8zk3vxc7qkj78q7rl0k3x5l3jz0z-flake-inputs.drv
  /nix/store/n969y066ndpsw0b4qldhmpxagk3nrkqq-check-flake-inputs.drv
building '/nix/store/5a2k8zk3vxc7qkj78q7rl0k3x5l3jz0z-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/5a2k8zk3vxc7qkj78q7rl0k3x5l3jz0z-flake-inputs.drv'
building '/nix/store/n969y066ndpsw0b4qldhmpxagk3nrkqq-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/n969y066ndpsw0b4qldhmpxagk3nrkqq-check-flake-inputs.drv'

upload niks3: ok