Another case of the same bug. Now i can say for sure - it's not related to retry itself. It happens on freeing memory after mission finish. In all cases there was alien with buggy animation: dead left standing, alien sitting or standing misaligned to grid, novernet flying unusually high.
And due to line
CL_CheckDefault: Delaying event on entnum 37.
my ufoconsole.log reached size of 228MB! (636kB packed to 7z)
Log saved, can attach if needed.