this derivation will be built:
  /nix/store/ci3m238r7l25pl6h9g90m7i9dn4r0mrl-hvw-clan-eval.drv
building '/nix/store/ci3m238r7l25pl6h9g90m7i9dn4r0mrl-hvw-clan-eval.drv'
hvw-clan-eval> structuredAttrs is enabled

upload niks3: ok