this derivation will be built:
  /nix/store/rcgrmj8yljfl12q5bpq9rmjw2dd03sbz-check-openskills.drv
building '/nix/store/rcgrmj8yljfl12q5bpq9rmjw2dd03sbz-check-openskills.drv' on 'ssh-ng://customer@mac02.m.ntd.one'
building '/nix/store/rcgrmj8yljfl12q5bpq9rmjw2dd03sbz-check-openskills.drv'

upload niks3: ok