Details of failure 00f7fee9-8105-4fb8-addb-b339630f4dc8

Upload ID
67d104e4-ac23-4aa0-987c-642a8aa85315
Test case ID
4f837671-6233-41f1-94e8-01174d1da7b8
Message
Crash: xctest (12205): Namespace SIGNAL, Code 0x4 (#CharacterRangeLen=0)

Crash reports

ae07c813-e418-44cf-b464-7a191d1656c7 (Download)

Original filename
xctest_2022-04-29-163538_E34156FD-D89F-4370-A720-9AA4B1B638D6.crash
Process:               xctest [12205]
Path:                  /Applications/Xcode_12.4.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Xcode/Agents/xctest
Identifier:            xctest
Version:               17501
Code Type:             X86-64 (Native)
Parent Process:        launchd_sim [11558]
Responsible:           SimulatorTrampoline [3346]
User ID:               501

Date/Time:             2022-04-29 16:35:38.158 +0000
OS Version:            Mac OS X 10.15.7 (19H1824)
Report Version:        12
Anonymous UUID:        28C488D7-2871-0137-7EA3-2D329D89124C


Time Awake Since Boot: 14000 seconds

System Integrity Protection: enabled

Crashed Thread:        2  Dispatch queue: io.ably.main

Exception Type:        EXC_BAD_INSTRUCTION (SIGILL)
Exception Codes:       0x0000000000000001, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Signal:    Illegal instruction: 4
Termination Reason:    Namespace SIGNAL, Code 0x4
Terminating Process:   exc handler [12205]

Application Specific Information:
BUG IN CLIENT OF LIBDISPATCH: lock not owned by current thread
CoreSimulator 732.18.6 - Device: iPhone 12 (CB41B601-7AD2-4A25-9D7E-54CA935598A8) - Runtime: iOS 14.4 (18D46) - DeviceType: iPhone 12

Thread 0:: Dispatch queue: com.apple.main-thread
0   com.apple.CoreFoundation      	0x00007fff203be15d _CFStringGetCStringPtrInternal + 282
1   libswiftCore.dylib            	0x0000000107cd9c80 _bridgeCocoaString(_:) + 112
2   libswiftCore.dylib            	0x0000000107cd9eb2 String.init(_cocoaString:) + 18
3   libswiftFoundation.dylib      	0x00000001095dddfc static String._unconditionallyBridgeFromObjectiveC(_:) + 28
4   io.ably.Ably-iOS-Tests        	0x0000000108595453 @objc MockDeviceStorage.object(forKey:) + 67
5   io.ably.Ably                  	0x00000001079ba726 -[ARTPushActivationStateMachine initWithRest:delegate:] + 742 (ARTPushActivationStateMachine.m:49)
6   io.ably.Ably                  	0x00000001079cb9ab -[ARTPushInternal createActivationStateMachineWithDelegate:] + 171
7   io.ably.Ably-iOS-Tests        	0x000000010851b9d7 PushTests.setUp() + 2743 (PushTests.swift:37)
8   io.ably.Ably-iOS-Tests        	0x000000010851ba7b @objc PushTests.setUp() + 43
9   com.apple.dt.XCTest           	0x00000001052b4c40 __70-[XCTestCase _shouldContinueAfterPerformingSetUpSequenceWithSelector:]_block_invoke_2 + 515
10  com.apple.dt.XCTest           	0x000000010530ed67 -[XCTestCase(XCTIssueHandling) _caughtUnhandledDeveloperExceptionPermittingControlFlowInterruptions:caughtInterruptionException:whileExecutingBlock:] + 183
11  com.apple.dt.XCTest           	0x00000001052b4a12 __70-[XCTestCase _shouldContinueAfterPerformingSetUpSequenceWithSelector:]_block_invoke + 130
12  com.apple.dt.XCTest           	0x00000001053226ba -[XCTContext _runActivityNamed:type:block:] + 304
13  com.apple.dt.XCTest           	0x00000001052bd887 -[XCTestCase startActivityWithTitle:type:block:] + 186
14  com.apple.dt.XCTest           	0x00000001052bd9b9 -[XCTestCase startActivityWithTitle:block:] + 60
15  com.apple.dt.XCTest           	0x00000001052b33d0 -[XCTestCase _shouldContinueAfterPerformingSetUpSequenceWithSelector:] + 159
16  com.apple.dt.XCTest           	0x00000001052b2e92 -[XCTestCase invokeTest] + 684
17  com.apple.dt.XCTest           	0x00000001052b48d3 __26-[XCTestCase performTest:]_block_invoke_2 + 43
18  com.apple.dt.XCTest           	0x000000010530ed67 -[XCTestCase(XCTIssueHandling) _caughtUnhandledDeveloperExceptionPermittingControlFlowInterruptions:caughtInterruptionException:whileExecutingBlock:] + 183
19  com.apple.dt.XCTest           	0x00000001052b480a __26-[XCTestCase performTest:]_block_invoke.365 + 86
20  com.apple.dt.XCTest           	0x0000000105322d57 +[XCTContext runInContextForTestCase:markAsReportingBase:block:] + 220
21  com.apple.dt.XCTest           	0x00000001052b4087 -[XCTestCase performTest:] + 695
22  com.apple.dt.XCTest           	0x00000001052f9b83 -[XCTest runTest] + 57
23  com.apple.dt.XCTest           	0x00000001052ad7b9 __27-[XCTestSuite performTest:]_block_invoke + 354
24  com.a