How demandable is the job of the Rust programming language?

Thinking of picking up a new language to learn this weekend, I know C++/Python/Java. Which one should I pick up?

What is better rust or c++ in terms of performance? I have heard that rust is faster. Can any expert please guide me on which language is better?

Currently I'm learning Rust because it's fun and gives a breath of fresh air IMO to how we write code. But I cannot see many job openings for Rust. Most of them are for n/w engineering roles and drivers. Will the scene change in future, ...

What are the startup’s in India which are dealing with rust on daily basis as their primary language of development ? Look to get some small interns in rust tech stack based startup’s