[chillingeffect]

Even worse, the license requirements (gpl->mit) will be less beneficial to the community than the rust replacements.

[steveklabnik]

Rust has no specific license requirements on code written in it. People choose whatever license they prefer.

[chillingeffect]

True, but you might want to look into the licenses people are actually choosing for Rust versions of coreutils/uutils and who's promoting them.