rust-lang/rust ? reverse-engineered prompt

I want to build a new programming language. It should be focused on performance, reliability, and productivity. The goal is to create a language that's both memory-efficient and fast, making it suitable for everything from critical services to embedded devices, while also being easy to integrate with other languages.

A key feature should be its reliability. I want a rich type system and an ownership model that guarantees memory and thread safety, catching a whole class of bugs at compile-time instead of at runtime.

Finally, the developer experience needs to be amazing. It should come with great documentation, a compiler that provides really helpful diagnostics and error messages, and a full set of integrated tools. This should include a built-in package manager and build tool, a code auto-formatter, and a linter to help write better code. Make sure it has solid support for modern IDEs.