Rollup of 11 pull requests#84483

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JohnTitor wants to merge 31 commits intorust-lang:masterfrom

JohnTitor:rollup-tmhaaib

Commits on Apr 2, 2021

On stable, suggest removing `#![feature]` for features that have been stabilized
jyn514
committed

Commits on Apr 8, 2021

implement TrustedRandomAccess for Take iterator adapter
the8472
committed

Commits on Apr 23, 2021