protoc installed in travis
protoc installed in travis

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