Rust data flow score is 0. There is no reference data-flows extracted from the whole corpus

[Luo-feng-hitsz]

Dear author, I have tried tree-sitter-rust==0.21.2/0.21.1 + python==3.9 . tree-sitter-rust==0.21.2/0.21.1 + python==3.9/3.8 . 4 combinations But it's still 0.