this derivation will be built:
  /nix/store/2mkm2zcbx7s6hf1pqy7awx7rz6f7a4n7-structure-hm-sops-bridge-assertion-neg.drv
building '/nix/store/2mkm2zcbx7s6hf1pqy7awx7rz6f7a4n7-structure-hm-sops-bridge-assertion-neg.drv' on 'ssh-ng://nixbuild@stibnite-builder'

upload niks3: ok