My disappointment with Rust, that in no way diminishes how much I enjoy using it in my own time, is that I have a hard time recommending it for microservices, which are arguably an average project at an average company. The ecosystem just doesn't feel as fleshed out or complete as in Go. It's a shame because there's libraries in Rust that I adore like clap, serde, and diesel but when I last wanted to write something that integrates with AWS, I found a deprecated unofficial crate and a non-production-ready official crate from AWS.

I don't know whether to attribute this disappointment to the breadth of what Rust can be used for and the difficulty in doing all of them well, or a lack of wider/corporate buy-in for these use cases. It's a pity, because after getting past the initial learning curve I struggle to find anything wrong with the language itself.