[Rust] Linting GitHub Actions task failing

[asfimport]

https://github.com/apache/arrow/pull/6694/checks?check_run_id=537752225#step:6:94

Reporter: Wes McKinney / @wesm

Related issues:

• [Rust] IPC reader must respect continuation markers (is duplicated by)

_{Note: This issue was originally created as ARROW-8236. Please see the migration documentation for further details.}

[asfimport]

Kouhei Sutou / @kou:
ARROW-8225 will fix this.