The std.file rename method fails in the docker environment.

[zoujiaqing via Digitalmars-d-learn]

upload file to server in docker, but upload directory volume to 
host machine.

Exception error:
```
Invalid cross-device link
```
Have other function like move(a, b) ?

https://github.com/huntlabs/hunt-framework/blob/master/source/hunt/framework/file/File.d#L102