this derivation will be built:
  /nix/store/v2k0g5f5d22khll806mkk9p3x68hmvix-instance-eval.drv
building '/nix/store/v2k0g5f5d22khll806mkk9p3x68hmvix-instance-eval.drv'
instance-eval> structuredAttrs is enabled

upload niks3: ok