Auto merge of #1713 - kzys:travis-com, r=sgrif
Auto merge of #1713 - kzys:travis-com, r=sgrif

travis-ci.org -> travis-ci.com

https://docs.travis-ci.com/user/migrate/open-source-on-travis-ci-com/

rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io,rust-lang/crates.io