Rollup of 10 pull requests#80960

Merged

bors merged 24 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-89tri8x

Jan 13, 2021

Commits on Nov 29, 2020

diagnostics: Note capturing closures can't be coerced to fns
arora-aman
committed

Commits on Dec 20, 2020

Remove redundant def_id lookups
bugadani
committed

Commits on Jan 5, 2021

Added support for i386-unknown-linux-gnu and i486-unknown-linux-gnu
rxrbln
committed

Commits on Jan 6, 2021

use Once instead of Mutex to manage capture resolution
KodrAus
committed

Commits on Jan 7, 2021

Update to LLVM 11.0.1
cuviper
committed

Commits on Jan 10, 2021

Fix --pretty=expanded with --remap-path-prefix
jsgf
committed

Commits on Jan 11, 2021

Commits on Jan 13, 2021