No.
Bottle bombs happen because you have excess CO2 being made. CO2 comes from only 1 source, sugar. Which in beer making is in the wort and in the sugar you add for bottling as long as you have reached the end of fermentation (stable gravity for 2-3 days) and add the correct amount of sugar...
Free sulfur in solution won't inhibit yeast like it will bacteria. But umm you might have a problem with the plastic, what type of plastic is it? Mind you, general rule of thumb is dump boiled water in the bucket for 2 days, seal and taste the water after 2 days.
I'd strongly recommending tasting your fruit before using it in your beer. Depending on how sweet and how strong of a flavor modulate your hops. Also if you ever brew darker beers and add fruit given the flavors involved you may want to increase or decrease the roast of your grains. I did a...