fix .travis.yml
fix .travis.yml

redtankd/rust-test,redtankd/rust-test,redtankd/rust-test,redtankd/rust-test,redtankd/github-test,redtankd/github-test,redtankd/rust-test,redtankd/github-test,redtankd/rust-test,redtankd/github-test