> Having Rust installed (recommended way is https://www.rustup.rs/).
This essentially recommends unconditionally using the "curl | sh" anti-pattern.
Shouldn't they recommend instead e.g. "apt-get install rustc" for Debian users?
Since this doesn't make use of too recent Rust features, using Rust 1.14 of Debian/Stable should be fine, shouldn't it? Same of Fedora, etc.