update Travis configs

Fixes: levex#11

Signed-off-by: bin liu <bin@hyper.sh>

.travis.yml

@@ -1,11 +1,26 @@
-language: rust
+# Copyright (c) 2018 Levente Kurusa
+# Copyright (c) 2020 Ant Group
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+dist: bionic
+os: linux
+
+before_script:
+  - rustup component add rustfmt
+  - cargo fmt --check
+
+script:
+  - cargo build --verbose
+  - cargo test --verbose
+  - sudo -E PATH=$PATH cargo test --verbose
+
 rust:
   - stable
   - beta
   - nightly
-matrix:
+
+jobs:
   allow_failures:
     - rust: nightly
-  fast_finish: true
-script:
-  - cargo build --verbose --all