Details of failure 18c5ee4c-daa1-49d9-afd2-a64f186c92bb

Upload ID
95469e83-1c78-45a1-a97c-2f152cdd73e7
Test case ID
76a7c539-5826-4298-8019-ee08a3d57fb2
Message
Crash: xctest (10590): Namespace SIGNAL, Code 0x4 (#CharacterRangeLen=0)

Crash reports

d853281c-9b5d-4ec9-9c81-d5cadb1a9948 (Download)

Original filename
xctest_2022-09-20-130745_23533FB7-71C9-40D3-B753-4A30098DEE8A.crash
Process:               xctest [10590]
Path:                  /Applications/Xcode_12.4.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/Agents/xctest
Identifier:            xctest
Version:               17501
Code Type:             X86-64 (Native)
Parent Process:        xcodebuild [5803]
Responsible:           xctest [10590]
User ID:               501

Date/Time:             2022-09-20 13:07:45.074 +0000
OS Version:            Mac OS X 10.15.7 (19H2026)
Report Version:        12
Anonymous UUID:        28C488D7-2871-0137-7EA3-2D329D89124C


Time Awake Since Boot: 4000 seconds

System Integrity Protection: enabled

Crashed Thread:        1  Dispatch queue: io.ably.tests

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 [10590]

Application Specific Information:
BUG IN CLIENT OF LIBDISPATCH: dispatch_sync called on queue already owned by current thread

Thread 0:: Dispatch queue: com.apple.main-thread
0   libsystem_kernel.dylib        	0x00007fff6d4ecdea mach_msg_trap + 10
1   libsystem_kernel.dylib        	0x00007fff6d4ed160 mach_msg + 60
2   com.apple.CoreFoundation      	0x00007fff3362ad07 __CFRunLoopServiceMachPort + 247
3   com.apple.CoreFoundation      	0x00007fff336297c1 __CFRunLoopRun + 1329
4   com.apple.CoreFoundation      	0x00007fff33628c33 CFRunLoopRunSpecific + 466
5   com.apple.Foundation          	0x00007fff35cebc48 -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 212
6   net.jeffhui.Nimble            	0x000000010b6e0e29 specialized closure #3 in AwaitPromiseBuilder.wait(_:file:line:) + 473
7   net.jeffhui.Nimble            	0x000000010b6c663c thunk for @callee_guaranteed () -> () + 12
8   net.jeffhui.Nimble            	0x000000010b6c665e thunk for @escaping @callee_guaranteed () -> () + 14
9   net.jeffhui.Nimble            	0x000000010b6bd751 -[NMBExceptionCapture tryBlock:] + 35
10  net.jeffhui.Nimble            	0x000000010b6e07d8 specialized AwaitPromiseBuilder.wait(_:file:line:) + 440
11  net.jeffhui.Nimble            	0x000000010b6d1c86 closure #1 in async<A>(style:predicate:timeout:poll:fnName:) + 870 (Async.swift:23)
12  net.jeffhui.Nimble            	0x000000010b6d2f9a partial apply for closure #1 in async<A>(style:predicate:timeout:poll:fnName:) + 122
13  net.jeffhui.Nimble            	0x000000010b717786 Predicate.satisfies(_:) + 54 (Predicate.swift:32)
14  net.jeffhui.Nimble            	0x000000010b6c8d9b run #1 <A>() in execute<A>(_:_:_:to:description:captureExceptions:) + 379 (Expectation.swift:25)
15  net.jeffhui.Nimble            	0x000000010b6c8bb1 execute<A>(_:_:_:to:description:captureExceptions:) + 833 (Expectation.swift:48)
16  net.jeffhui.Nimble            	0x000000010b6d25bb Expectation.toEventually(_:timeout:pollInterval:description:) + 587 (Async.swift:68)
17  io.ably.Ably-macOS-Tests      	0x000000010ad69511 specialized RealtimeClientChannelTests.test__013__Channel__connection_state__if_the_connection_state_enters_the_CONNECTED_state__then_a_SUSPENDED_channel_will_initiate_an_attach_operation() + 1153 (RealtimeClientChannelTests.swift:879)
18  com.apple.CoreFoundation      	0x00007fff3360c68c __invoking___ + 140
19  com.apple.CoreFoundation      	0x00007fff3360c526 -[NSInvocation invoke] + 303
20  com.apple.dt.XCTest           	0x0000000107f78d3a __24-[XCTestCase invokeTest]_block_invoke_3 + 52
21  com.apple.dt.XCTest           	0x0000000107f78cee __24-[XCTestCase invokeTest]_block_invoke_2 + 297
22  com.apple.dt.XCTest           	0x000000010800859a -[XCTMemoryChecker _assertInvalidObjectsDeallocatedAfterScope:] + 65
23  com.apple.dt.XCTest           	0x0000000107f838ea -[XCTestCase assertInvalidObjectsDeallocatedAfterScope:] + 61
24  com.apple.dt.XCTest           	0x0000000107f78b82 __24-[XCTestCase invokeTest]_block_invoke.231 + 199
25  com.apple.dt.XCTest           	0x0000000107fed6d8 -[XCTestCase(XCTIssueHandling) _caughtUnhan