Maybe it can. Why don't you propose[0] a list of features that would fit your requirements? You never know!

[0] https://lang-team.rust-lang.org/how_to/nominate.html

I'm not very hopeful as it has been discussed in the past. If Rust will ever replace C++, binary size is one of its biggest weakness in my opinion.

Been safer is far from enough to replace the incumbent, you also need win in simplicity, speed, size, ecosystem,etc. Size at the moment is the most obvious problem as far as I can tell.