Rust really interest me. However I want them to get to 1.0 before I can evaluate whether or not to use Rust in my app. Currently I am using Go and it stable for my needs. Rust could make me switch once they get to 1.0 and people start writing more projects in Rust.

I want to add that stability in deciding to use a language in an application is very important. How good the standard library is and how much traction the language is gaining in projects and particularly open source projects is also important.