Rust Digger: 7.53% of crates have both 'edition' and 'rust-version', 11.21% have neither

A while ago James Liu opened an issue asking about the MSRV (Minimum Supported Rust Version) as set by the crates. After several false directions I think I got it right now. The gist is in the title. The details are in this report and the "live data" that will be kept up to date is on the MSRV page