My app on the iPad (physical device) is crashing and I get this:
Mon Nov 22 14:08:42 ianvinkipad ReportCrash[521] : Saved crashreport to /var/mobile/Library/Logs/Cra
Apple has an official tech article about it.
iOS 8 and iOS 9
On your iOS device, go to Settings > Privacy > Diagnostics & Usage, and select Diagnostic & Usage Data.
Diagnostic & Usage Data