That's it, Boom J. Let me get you my address, so you can ship it over right away. HA.
I thought about fiberglass resin, but it dries pretty stiff, and as the bucket lives somewhat of a rough life, I didn't want it cracking. I figured the bedliner would flex somewhat if struck.
Solder was out, as when brazing, more holes were opening up, and I figured that was enough heat.
And Victor, if you've succeeded keeping a '73 GMC from rusting completely away, you should be sainted!