tests/test-filelog.py.out

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

ERROR: FIXME: This is a known failure of filelog.size for data starting with \1\n
OK.