Rollup of 8 pull requests#85685

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JohnTitor wants to merge 18 commits into

rust-lang:masterfrom

JohnTitor:rollup-onwja7q

Commits on May 20, 2021

doc: clarify Mutex::try_lock, etc. errors
tlyu
committed

Commits on May 21, 2021

Commits on May 23, 2021

Don't reborrow self when computing the dest pointer in <[T]>::copy_within
SkiFire13
committed

Commits on May 25, 2021

Document shared_from_cow functions
fee1-dead
committed
Fix tasklist example in rustdoc book.
ehuss
committed
Rollup merge of #84701 - nikomatsakis:stabilize-member-constraints-61997, r=jackh726
JohnTitor
authored
Rollup merge of #85529 - tlyu:trylock-errors, r=JohnTitor
JohnTitor
authored
Rollup merge of #85535 - dtolnay:weakdangle, r=kennytm
JohnTitor
authored
Rollup merge of #85610 - SkiFire13:fix-copy-within-provenance, r=oli-obk
JohnTitor
authored
Rollup merge of #85645 - scottmcm:demote-from-into-try, r=yaahc
JohnTitor
authored
Rollup merge of #85647 - rust-lang:revert-81601-llvm-on-demand, r=jyn514
JohnTitor
authored
Rollup merge of #85666 - fee1-dead:document-shared-from-cow, r=dtolnay
JohnTitor
authored
Rollup merge of #85668 - ehuss:fix-rustdoc-tasklist, r=Mark-Simulacrum
JohnTitor
authored