Rollup of 8 pull requests#69827

Closed

Centril wants to merge 26 commits into

rust-lang:masterfrom

Centril:rollup-jlfos3x

Commits on Mar 2, 2020

remove non-sysroot sources from rust-src component
RalfJung
committed

Commits on Mar 3, 2020

Commits on Mar 4, 2020

Documentation and slight simplification of BTreeMap's internals
ssomers
committed

Commits on Mar 6, 2020

Commits on Mar 7, 2020

refactor: Exhaustive matching in method/probe.rs
Markus Westerlind
committed
refactor: Move a borrow_mut and unwrap out of a loop
Markus Westerlind
committed

Commits on Mar 8, 2020