Hm. This is what I got on my Debian testing where I just upgraded backintime-qt to unstable:
# backintime-qt Back In Time Version: 1.3.3-dev Back In Time comes with ABSOLUTELY NO WARRANTY. This is free software, and you are welcome to redistribute it under certain conditions; type `backintime --license' for details. INFO: user-callback returned '- GUI started' QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to '/tmp/runtime-root' INFO: user-callback returned '- Mounting drives Mounting /backup' INFO: user-callback returned '- Unmounting drives Unmounting /backup' INFO: user-callback returned '- GUI closed' Segmentation fault The segmentation fault on exit may be harmless, and may have been there for a long time, as I usually call it from the graphics menu.

