this derivation will be built:
  /nix/store/scyj7p10h5n71la2hlvzjzqc6hd56khj-iets-ast-grep.drv
building '/nix/store/scyj7p10h5n71la2hlvzjzqc6hd56khj-iets-ast-grep.drv'

upload niks3: ok