Update annotate-snippets-rs to 0.8.0#72026

Merged

bors merged 3 commits intorust-lang:masterfrom zzau13:master

Jun 8, 2020

+210-128

Commits on May 8, 2020

Update annotate-snippets-rs to 0.8.0
zzau13
committed

Commits on May 9, 2020

Add UI test where annotated_files count is > 1 #64205
zzau13
committed

Commits on May 16, 2020

Fix make sure out primary file comes first
zzau13
committed