Rollup of 6 pull requests#87149

Closed

JohnTitor wants to merge 13 commits into

rust-lang:masterfrom

JohnTitor:rollup-qnwf3em

Commits on Jul 8, 2021

Move [debug_]assert_matches to mod {core, std}::assert.
m-ou-se
committed

Commits on Jul 12, 2021

Add tracking issue number to `wasi_ext`
a1phyr
committed

Commits on Jul 15, 2021