  * enable feature dist-client on 32-bit hosts
    when possible without out-of-memory issues
    <https://github.com/mozilla/sccache/issues/1631>
  * provide binary sccache-dist
    when needed Rust crate is in Debian
    * rouille
  * enable features "gha", "memcached", "redis", and "webdav"
    when needed Rust crate is in Debian
    * opendal
  * enable features "azure", "gcs", and "s3"
    when needed Rust crates are in Debian
    * opendal
    * reqsign
