Useless unless IntelliJ IDEA is not your main IDE. I only have CLion installed right now, and for Rust repos the extension offers me *only* the option of openning on non-existant IntelliJ IDEA.
Sorry that you encounter such problem. We are currently working on the issue. Please vote for the issue https://youtrack.jetbrains.com/issue/TBX-1817 to follow the progress.
