this derivation will be built:
  /nix/store/8x42fvs4b0v4nfrzw0d0v6jvwwazjj3v-hvw-clan-eval.drv
building '/nix/store/8x42fvs4b0v4nfrzw0d0v6jvwwazjj3v-hvw-clan-eval.drv'
hvw-clan-eval> structuredAttrs is enabled

upload niks3: ok