Rollup of 5 pull requests#73093

Merged

bors merged 12 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-9gh5tyu

Jun 7, 2020

Commits on May 30, 2020

Be more careful around ty::Error in generators
jonas-schievink
committed

Commits on Jun 4, 2020

Add a **Note**: comment in documentation when the type/method/function is not always available
poliorcetics
committed

Commits on Jun 5, 2020

Improve the new documentation to be more precise about the necessary platform's capabilities
poliorcetics
committed
properly handle feature gated lints
OddCoincidence
committed

Commits on Jun 6, 2020