  * enable feature dist-client and check tests
    on weak arches armel armhf mipsel
    when reliable without out-of-memory issues
    <https://github.com/mozilla/sccache/issues/1631>
  * provide binary sccache-dist when using safe crates
    <https://bugs.debian.org/1142994>
    <https://github.com/mozilla/sccache/issues/2234>
