devserver-0.1.5 is not a library.
devserver 
An extremely tiny tool to serve a static folder locally.
This tool is only for local development and makes no effort to be secure for other purposes.
Do not use in production!
Installation
cargo install devserver
Usage
Open a command line and navigate to the directory you'd like to host then run:
devserver
Visit http://localhost:8080 or https://localhost:8080 to see your hosted content.
Options
--reload Automatically refresh pages when a file in the hosted folder changes.
--address Pass an address like "127.0.0.1:8080" or "localhost:8000" to change the address the server will host on.
--path Changes the directory to be hosted.
--help Explains available options.