this derivation will be built:
  /nix/store/z7cj45n0j95j42kfxkw3vk1m4bqrnlw8-check-but.drv
building '/nix/store/z7cj45n0j95j42kfxkw3vk1m4bqrnlw8-check-but.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/z7cj45n0j95j42kfxkw3vk1m4bqrnlw8-check-but.drv'

upload niks3: ok