How do I use external crates with the Rust compiler explorer?

Question

Is it possible to use crates from crates.io with Matt Godbolt's Rust compiler explorer? If so, how?

Here's my failed attempt.

Answer 1

There is an (at time of writing still open) issue against Compiler Explorer asking for the ability to use commonly used Rust crates:

https://github.com/compiler-explorer/compiler-explorer/issues/2523

_{(Old: https://github.com/compiler-explorer/compiler-explorer/issues/754)}