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I think you guys are debating whether perfect is the enemy of the good.

Rust will not make your code magically bugfree (this is basically impossible by definition), but it will undoubtedly reduce the number of bugs in a very significant way and nudge you towards better code.

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Exactly, it's a difference in degree, not in kind. Rust isn't perfect with regard to memory errors, it's just massively better than C. I don't think pml1 will be convinced, but I've been working on a C project lately and I've never appreciated Rust's memory virtues so much as when using valgrind to debug my string and hashmap implementations. Chased a memory leak for two evenings that was just having free() a few lines off in a function. Stupidly simple error, but my eyes just glazed over the code from having read it so many times. In Rust, it never would've happened because the borrow checker would've dropped the memory at the proper time.

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