... which is confusing for the engine gardener, and prevents log collection (#144231).

For example:

... is caused by:

... which is suspiciously 30m, feeling like a timeout instead of a failure (despite looking like a failure).

Subsequent runs end up timing out the overall builder:

We believe @zanderso's flutter/engine#51004 will help, but there still seems like a few issues here.

/cc @keyonghan for FYI.