this derivation will be built:
  /nix/store/gqap2z6n7i14xymch472pav1f1kphk6s-repo-sync.drv
building '/nix/store/gqap2z6n7i14xymch472pav1f1kphk6s-repo-sync.drv'
repo-sync> structuredAttrs is enabled

upload niks3: ok