Regardless of the template I pick in Instruments (Allocations, Leaks, Activity Monitor) - the app crashes right away when pressing record. There is NO stack trace or any warning whatsoever - and after that the Instruments sometimes freezes and needs to be forcibly shut down.
I'm using XCode 6.3.2.
I should also add that this is happening on my device.
When your apps keep crashing on your iPhone, updating them may just be the trick to solving it. To quickly check whether a specific app has an update, go to the App Store's Search tab to find the app. If an update is available, you'll see an Update button instead of the usual Open button. Tap on it to update the app.
I found a workaround. After installing app to phone via XCode, I kill the app. Then I go to Instruments and select the app in Instruments and press the record. This launches the app on the phone and the Instruments work!
Also, the proper way to launch Instruments is by pressing CMD-I in XCode. I was opening it from the developer tools which is wrong.
If you got to 'Window -> Devices and Simulators' you can look at the crash logs on the device in question.
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