Simon Sapin <simon-commits@exyr.org> [Mon, 30 Nov 2020 17:13:07 +0100] rev 46054
rust: use crossbeam-channel crate directly
… instead of its reexport in the crossbeam crate.
This removes two crates from the dependency graph.
Differential Revision: https://phab.mercurial-scm.org/D9521