Run rustfmt in CI

Question 1

This will require a rustfmt --edition 2018 run over the codebase, so let's wait until there are 0 PRs pending :)

Dustin J. Mitchell · Answer · Fri Apr 26 2019 03:11:41 GMT+0800 (China Standard Time)

This will require a rustfmt --edition 2018 run over the codebase, so let's wait until there are 0 PRs pending :)

Question 2

Fixed in #30. Note the --edition wasn't required.

Dustin J. Mitchell · Answer · Sat May 11 2019 03:47:31 GMT+0800 (China Standard Time)

Fixed in #30. Note the --edition wasn't required.