Bug 1490741 - Don't retry tasks that fail with IndexError (#4365)
Bug 1490741 - Don't retry tasks that fail with IndexError (#4365)

Since it's unlikely to be a recoverable error.
KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,KWierso/treeherder,edmorley/treeherder,KWierso/treeherder,edmorley/treeherder,edmorley/treeherder