Rust 2021 public testing period

Rust 2021 public testing period We are happy to announce that the Rust 2021 edition is entering its public testing period. All of the planned features for the edition are now available on nightly builds along with migrations that should move your code from Rust 2018 to Rust 2021. If you'd like to learn more about the changes that are part of Rust 2021, check out the nightly version of the Edition Guide. Public testing period As we enter the public testing period, we are encouraging adventurous u...