44:06:912 WARNING InstrumentsCommandLine.start instruments crashed (20 SEC)
44:06:969 WARNING NewSessionNHandler.safeStart Instruments failed to start in the allocated time ( 20sec):Didn't get the capability back.Most likely, instruments crashed at startup.
44:06:994 WARNING NewSessionNHandler.safeStart app has crashed at startup :normal
44:43:089 INFO NewSessionNHandler.safeStart The server cannot run Capabilities [{simulator=true, CFBundleName=Safari, locale=en_GB, variation=iPhoneRetina_4inch, timeHack=false, device=iphone, language=en, instruments=true}] at the moment.{simulator=true, timeHack=false, variation=iPhoneRetina_4inch, locale=en_GB, CFBundleName=Safari, device=iphone, language=en, instruments=true} no devices available.
Known devices: [Simulator[(sdks=[8.1])in use by ios-driver]]