To deploy this application to Heroku, use this button:
Or, if you'd prefer to use the command line, try running:
git clone https://github.com/RoPP/todo-backend-rustful.git
cd todo-backend-rustful
heroku create --buildpack https://github.com/emk/heroku-buildpack-rust.git
git push heroku master
This should make a local copy of this application and deploy it to Heroku.
For further instructions, see Deploying Rust applications to Heroku, with example code for Iron. You may also be interested in the source code for the buildpack.