hustliyilin

Occlum Integrates the cargo fmt into make format In the [occlum/.githooks](https://github.com/occlum/occlum/tree/master/.githooks)， Inclavare containers also need the cargo fmt and go fmt check like occlum. 

refer to [runc man](https://github.com/opencontainers/runc/tree/master/man)