Well, that may mean that none of the Rust Foundation sponsors have managed to pull off an insider gambit to obtain a trademark licensing deal which unduly advan

Well, that may mean that none of the Rust Foundation sponsors have managed to pull off an insider gambit to obtain a trademark licensing deal which unduly advantages them! :) (e.g. control over a canonical domain, official conference, etc.) However, it can also mean that nobody's minding the store, allowing some company to establish a mark in practice which will be difficult to take back later. (This has happened multiple times with ASF projects: CouchDB and CouchBase, Mesos and Mesosphere...)