Am I the only who feels like an idiot?

I have coded for many years, and currently I am working as FE web developer for 4 years. I was forced to learn different languages, patterns and frameworks project by project, maybe I don't master them but usually in a couple of weeks at maximum I get into the language even if it is not part of my main stack (I had to use all the mainstream FE framework as Angular, Vue, React then Next, BE side C#, PHP with Laravel, Java with Selenium).
I repeat, I don't master most of them but I can figure out how to do stuff.

With Rust I just feel like I'm an idiot.
Started to learn it because I bet on Tauri, I have just a todo app to test It out with some simple command in Rust but men. Everything was going smoothly until I started doing quiz2 of rustlings. When I have free time I'll keep trying, but it was quite a big hit on my ego.

Is it normal to struggle so much at the beginning of a Rust journey?