Updating nannou

You can update to a new version of nannou by editing your Cargo.toml file to use the new crate. For version 0.12 add the line

nannou = "0.12"

Then within the nannou directory run the following to update all dependencies:

cargo update

Updating Rust.

From time to time, a nannou update might require features from a newer version of rustc. For example, nannou 0.12 is known to require at least rustc 1.35.0. In these cases, you can update your rust toolchain to the latest version by running the following:

rustup update