Cut each donut into 6 pieces and place in a large mixing bowl. In another bowl, beat eggs, add milk,salt,cinnamon, pureed fruit cocktail, vanilla extract and raisins. Pour over donuts, cover and refrigerate overnight.
In a 9 X 13 in casserole dish, melt stick of butter. Add bread pudding and cook for 1 hour or until firm.
To prepare pecan caramel sauce mix sugar and water in heavy sauce pan to boil for 5 to 7 minutes. Reduce heat, gradually add heavy whipping cream and pecans. Cook for 2 to 4 minutes or until thick. Turn off heat and stir in vanilla extract. Pour over cool bread pudding.