Brake booster going out?

Not as many holes elsewhere, but it looks to have sat in a field or something for a looooong time. The bottom of the dash is rusted pretty good. Not really sure how it happened. The channel underneath is fine, but the bottom (visible part) has been eaten through and is flaky in some spots.

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And, speaking of 'flakey' - - (no, NOT the owner- :p) - - I cringe every time I see a bumper with the failing chrome pieces - as sharp as razor blades - and how many times I sliced open a part of my hand. Lesson learned. :(