this derivation will be built:
  /nix/store/1szb1n93xf7xsr9fdw9z79ng63k2fss7-iets-ast-grep.drv
building '/nix/store/1szb1n93xf7xsr9fdw9z79ng63k2fss7-iets-ast-grep.drv'

upload niks3: ok