This reverts commit baead472d7641bdd96130354bafadc1fb1ed223b.
Let's go through the proposal process on this one. I want to push back
on this. My position is that, at the very least, a full trace of command
lines of sub-processes should be printed on failure, with the exception
of opt-in flags such as `--prominent-compile-errors`.
5aa35f62c3