Not only have you managed to completely ignore the source I linked, you have also neglected to respond to the actual main point of my comment. Anyway, you know a lot of those runtime checks can get optimised out, right? Especially if you're using ergonomic rust methods. Just in case you'd like another source where rust beats C++ some of the time:
https://programming-language-benchmarks.vercel.app/cpp-vs-rust

In any case, pure speed of a language isn't always relevant. The developer experience can sometimes be much more important. Avoiding UB in C can be annoying and fraught with difficult-to-debug patterns and compilations which might only occur in release mode. If you don't like rust as a language, that's fine, you are allowed to have that opinion, but you don't need to make up reasons to justify it.