Re: Who writes Rust?
Rust MAY be safer but it will not have the massive collection of libraries that other languages and organisations have built up that are vital to their work, So people will have to use the FFI and they will find their leakage problems are not solved.
I'd bet a far faster and more sustainable way to sort out these problems is to use many of the code coverage and analysis tools that are available and actually spend some time using it to check over the existing code for errors that are glaring to these things these days.
Trying to make new languages to solve old problems will invariably lead to more annoyance - I've got about 40 different Python implementations on my system - DLLhell++. I have no doubt RUST will come up with some similarly annoying but equally cul-de-sac moment that they didnt foresee that has been solved in many other languages.