Honestly executives and board members who receive performance bonuses and golden parachutes should carry extra liability, such that these perks can be denied or even clawed back (and used to help the damages) when their decisions have these sort of outcomes. Nothing wrong with making more when things go well, but if you’re going to take a larger piece of the pie, then you need to be prepared to take a smaller piece when things go wrong (aka, cut executive pay before layoffs, etc.).
Rust’s cargo is great, I’d say it would be best to make the switch sooner rather than later once your code base is established. The build system and tooling alone is a great reason to switch