I had a bunch of rubra alabamensis do that one spring. I took one to a lab to get it tested. The wilt and subsequent browning was due to fungal attack. Fungus is opportunistic. It attacks stressed plants in the spring because that's the ideal temperature range for fungal growth (I'm remembering between 65 and 85).
The previous posts are definitely on the right track; give your plants ideal conditions and they will flourish. I'm afraid your minor is a goner. For next time I wouldn't recommend letting a plant that size make a flower. I would also protect the roots from heat by growing in 5+ inch tall pots sitting in water. Bigger the better. Its also critical that Sarracenia get at least 8 hrs of direct sun.