Rollup of 3 pull requests#91338

Merged

bors merged 8 commits intorust-lang:masterfrom

matthiaskrgr:rollup-46ry8wi

Nov 29, 2021

Commits on Oct 29, 2021

Fix a format_args span to be expansion
camsteffen
committed

Commits on Nov 16, 2021

Commits on Nov 26, 2021

Add 1.57.0 release notes

cuviper
authored and
Mark-Simulacrum
committed

Commits on Nov 28, 2021

Rollup merge of #90131 - camsteffen:fmt-args-span-fix, r=cjgillot
matthiaskrgr
authored
Rollup merge of #90832 - cuviper:relnotes-1.57.0, r=Mark-Simulacrum
matthiaskrgr
authored
Rollup merge of #90833 - tmiasko:optimization-remarks, r=nikic
matthiaskrgr
authored