these 2 derivations will be built:
  /nix/store/zkkpzgl2mqigjv9bj7q9bm4s1gchspwx-flake-inputs.drv
  /nix/store/kj9n44ygsbsqsgwqpsr4azas1d8xd5fq-check-flake-inputs.drv
building '/nix/store/zkkpzgl2mqigjv9bj7q9bm4s1gchspwx-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/zkkpzgl2mqigjv9bj7q9bm4s1gchspwx-flake-inputs.drv'
building '/nix/store/kj9n44ygsbsqsgwqpsr4azas1d8xd5fq-check-flake-inputs.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/kj9n44ygsbsqsgwqpsr4azas1d8xd5fq-check-flake-inputs.drv'

upload niks3: ok