add --offline mode fallback to cargo fmt#3813

Merged

topecongiro merged 3 commits intorust-lang:masterfrom

calebcartwright:cargo-fmt-offline

Oct 2, 2019

Commits on Sep 27, 2019

feat: add --offline flag to cargo fmt
calebcartwright
committed

Commits on Sep 28, 2019

tests: remove uneeded Option and add --offline tests
calebcartwright
committed

Commits on Sep 30, 2019

refactor: add offline fallback to cargo_metadata
calebcartwright
committed