How do I fix mismatching dependencies in my Cargo file to work around native library collisions?

Question

I\'m setting up a Rust server with Rocket and I\'m trying to use it with a JWT library. They use different versions of the *ring* crate and I get an error during cargo bui

Answer 1

You have to fix this by not transitively depending on different versions of crates that link to a native library.

There's no newer version of rocket available that depends on version 0.10 of cookie, which depends on ring 0.12, so you'll need to downgrade jsonwebtoken to 2.0.3.

You can work this out by checking the crates.io pages for the crates in question (like with jsonwebtoken), going back through older versions, and looking to see what dependencies it needs.