[forrestthewoods]

For some definition of fine =P

The word “Linux” no longer has a singular meaning. And distributions have their own branding.

If someone wants to release DebianRust and DebianCargo that would be perfectly fine and non-confusing. A distribution could also make an agreement to use the Rust/Cargo trademark under some mutually agreeable terms. Likely having to do with no major changes and staying updated.