rustfmt 1.x bump rustc-ap to v671#4356

Merged

calebcartwright merged 1 commit intorust-lang:rustfmt-1.4.20from

calebcartwright:rustfmt-1.4.20

Aug 7, 2020

Commits on Jul 29, 2020

deps: bump rustc-ap to v671
calebcartwright
committed