First failure:
https://build.chromium.org/p/chromium.mac/builders/Mac10.12%20Tests/builds/7140

Log:
https://chromium-swarm.appspot.com/task?id=39b7723addc5dd10&refresh=10&show_raw=1

Stack:
********************************************************************************
  	Operating system: Mac OS X
  	                  10.12.6 16G29
  	CPU: amd64
  	     family 6 model 58 stepping 9
  	     8 CPUs
  	
  	GPU: UNKNOWN
  	
  	Crash reason:  EXC_BAD_ACCESS / KERN_INVALID_ADDRESS
  	Crash address: 0xa0
  	Process uptime: 4 seconds
  	
  	Thread 0 (crashed)
  	 0  Chromium Framework!__ZNK3gfx10ColorSpaceneERKS0_ + 0x1a
  	    rax = 0x0000000000001000   rdx = 0x0000000000000000
  	    rcx = 0x00007f8a7f0e8fa0   rbx = 0x00007f8a83bc7c48
  	    rsi = 0x00000000000000a0   rdi = 0x00007f8a83bc7c48
  	    rbp = 0x00007fff5a8128a0   rsp = 0x00007fff5a812870
  	     r8 = 0x00007fff5a812ba8    r9 = 0x00007fff5a812a9c
  	    r10 = 0x00007f8a7f3248e0   r11 = 0xffffffff00000000
  	    r12 = 0x00007f8a83bc7c0f   r13 = 0x0000000000000000
  	    r14 = 0x00007f8a7f0e8f01   r15 = 0x00000000000000a0
  	    rip = 0x00000001077f018a
  	    Found by: given as instruction pointer in context
  	 1  Chromium Framework!__ZN2cc12ResourcePool13ReuseResourceERKN3gfx4SizeEN3viz14ResourceFormatERKNS1_10ColorSpaceE + 0xcd
  	    rbp = 0x00007fff5a8128f0   rsp = 0x00007fff5a8128b0
  	    rip = 0x00000001080c853d
  	    Found by: previous frame's frame pointer
  	 2  Chromium Framework!__ZN2cc12ResourcePool15AcquireResourceERKN3gfx4SizeEN3viz14ResourceFormatERKNS1_10ColorSpaceE + 0x1c
  	    rbp = 0x00007fff5a812920   rsp = 0x00007fff5a812900
  	    rip = 0x00000001080c896c
  	    Found by: previous frame's frame pointer
  	 3  Chromium Framework!__ZN3viz10GLRenderer39CopyRenderPassDrawQuadToOverlayResourceEPKNS_14CALayerOverlayEPPN2cc8ResourceEPN3gfx5RectFE + 0x64f
  	    rbp = 0x00007fff5a812e50   rsp = 0x00007fff5a812930
  	    rip = 0x0000000108598e6f
  	    Found by: previous frame's frame pointer
  	 4  Chromium Framework!__ZN3viz10GLRenderer26ScheduleRenderPassDrawQuadEPKNS_14CALayerOverlayE + 0x65
  	    rbp = 0x00007fff5a812f80   rsp = 0x00007fff5a812e60
  	    rip = 0x0000000108598585
  	    Found by: previous frame's frame pointer
  	 5  Chromium Framework!__ZN3viz10GLRenderer16ScheduleCALayersEv + 0x92
  	    rbp = 0x00007fff5a813070   rsp = 0x00007fff5a812f90
  	    rip = 0x00000001085965e2
  	    Found by: previous frame's frame pointer
  	 6  Chromium Framework!__ZN3viz10GLRenderer18FinishDrawingFrameEv + 0x1a2
  	    rbp = 0x00007fff5a8130d0   rsp = 0x00007fff5a813080
  	    rip = 0x0000000108595e92
  	    Found by: previous frame's frame pointer
  	 7  Chromium Framework!__ZN3viz14DirectRenderer9DrawFrameEPNSt3__16vectorINS1_10unique_ptrINS_10RenderPassENS1_14default_deleteIS4_EEEENS1_9allocatorIS7_EEEEfRKN3gfx4SizeE + 0x956
  	    rbp = 0x00007fff5a8132a0   rsp = 0x00007fff5a8130e0
  	    rip = 0x0000000108581606
  	    Found by: previous frame's frame pointer
  	 8  Chromium Framework!__ZN3viz7Display11DrawAndSwapEv + 0x5fe
  	    rbp = 0x00007fff5a8134b0   rsp = 0x00007fff5a8132b0
  	    rip = 0x0000000108585a4e
  	    Found by: previous frame's frame pointer
  	 9  Chromium Framework!__ZN3viz16DisplayScheduler11DrawAndSwapEv + 0x35
  	    rbp = 0x00007fff5a813510   rsp = 0x00007fff5a8134c0
  	    rip = 0x0000000108588825
  	    Found by: previous frame's frame pointer
  	10  Chromium Framework!__ZN3viz16DisplayScheduler20OnBeginFrameDeadlineEv + 0x3c
  	    rbp = 0x00007fff5a813570   rsp = 0x00007fff5a813520
  	    rip = 0x0000000108587a1c
  	    Found by: previous frame's frame pointer
  	11  Chromium Framework!__ZN2ui12_GLOBAL__N_111WrappedTask3RunEv + 0x36
  	    rbp = 0x00007fff5a8135a0   rsp = 0x00007fff5a813580
  	    rip = 0x0000000108316ab6
  	    Found by: previous frame's frame pointer
  	12  Chromium Framework!__ZN4base5debug13TaskAnnotator7RunTaskEPKcPNS_11PendingTaskE + 0xbc
  	    rbp = 0x00007fff5a813650   rsp = 0x00007fff5a8135b0
  	    rip = 0x00000001071eb9ec
  	    Found by: previous frame's frame pointer
  	13  Chromium Framework!__ZN4base11MessageLoop7RunTaskEPNS_11PendingTaskE + 0x214
  	    rbp = 0x00007fff5a813720   rsp = 0x00007fff5a813660
  	    rip = 0x0000000107211d34
  	    Found by: previous frame's frame pointer
  	14  Chromium Framework!__ZN4base11MessageLoop6DoWorkEv + 0x1c9
  	    rbp = 0x00007fff5a8138e0   rsp = 0x00007fff5a813730
  	    rip = 0x0000000107212269
  	    Found by: previous frame's frame pointer
  	15  Chromium Framework!__ZN4base24MessagePumpCFRunLoopBase7RunWorkEv + 0x2a
  	    rbp = 0x00007fff5a813910   rsp = 0x00007fff5a8138f0
  	    rip = 0x00000001072140da
  	    Found by: previous frame's frame pointer
  	16  Chromium Framework!__ZN4base3mac15CallWithEHFrameEU13block_pointerFvvE + 0xa
  	    rbp = 0x00007fff5a813920   rsp = 0x00007fff5a813920
  	    rip = 0x0000000107204e0a
  	    Found by: previous frame's frame pointer
  	17  Chromium Framework!__ZN4base24MessagePumpCFRunLoopBase13RunWorkSourceEPv + 0x3f
  	    rbp = 0x00007fff5a813960   rsp = 0x00007fff5a813930
  	    rip = 0x00000001072139ff
  	    Found by: previous frame's frame pointer
  	18  CoreFoundation + 0xa43e1
  	    rbp = 0x00007fff5a813970   rsp = 0x00007fff5a813970
  	    rip = 0x00007fffaed163e1
  	    Found by: previous frame's frame pointer
  	19  CoreFoundation + 0x8565c
  	    rbp = 0x00007fff5a8139d0   rsp = 0x00007fff5a813980
  	    rip = 0x00007fffaecf765c
  	    Found by: previous frame's frame pointer
  	20  CoreFoundation + 0x84b46
  	    rbp = 0x00007fff5a8146c0   rsp = 0x00007fff5a8139e0
  	    rip = 0x00007fffaecf6b46
  	    Found by: previous frame's frame pointer
  	21  CoreFoundation + 0x84544
  	    rbp = 0x00007fff5a814750   rsp = 0x00007fff5a8146d0
  	    rip = 0x00007fffaecf6544
  	    Found by: previous frame's frame pointer
  	22  HIToolbox + 0x30ebc
  	    rbp = 0x00007fff5a814790   rsp = 0x00007fff5a814760
  	    rip = 0x00007fffae255ebc
  	    Found by: previous frame's frame pointer
  	23  HIToolbox + 0x30cf1
  	    rbp = 0x00007fff5a814810   rsp = 0x00007fff5a8147a0
  	    rip = 0x00007fffae255cf1
  	    Found by: previous frame's frame pointer
  	24  HIToolbox + 0x30b26
  	    rbp = 0x00007fff5a814830   rsp = 0x00007fff5a814820
  	    rip = 0x00007fffae255b26
  	    Found by: previous frame's frame pointer
  	25  AppKit + 0x46a54
  	    rbp = 0x00007fff5a814c50   rsp = 0x00007fff5a814840
  	    rip = 0x00007fffac7eea54
  	    Found by: previous frame's frame pointer
  	26  AppKit + 0x7c27ee
  	    rbp = 0x00007fff5a814f00   rsp = 0x00007fff5a814c60
  	    rip = 0x00007fffacf6a7ee
  	    Found by: previous frame's frame pointer
  	27  Chromium Framework!___71-[BrowserCrApplication nextEventMatchingMask + 0x40
  	    rbp = 0x00007fff5a814f30   rsp = 0x00007fff5a814f10
  	    rip = 0x0000000106e56460
  	    Found by: previous frame's frame pointer
  	28  Chromium Framework!__ZN4base3mac15CallWithEHFrameEU13block_pointerFvvE + 0xa
  	    rbp = 0x00007fff5a814f40   rsp = 0x00007fff5a814f40
  	    rip = 0x0000000107204e0a
  	    Found by: previous frame's frame pointer
  	29  Chromium Framework!-[BrowserCrApplication nextEventMatchingMask + 0xa4
  	    rbp = 0x00007fff5a814fe0   rsp = 0x00007fff5a814f50
  	    rip = 0x0000000106e563a4
  	    Found by: previous frame's frame pointer
  	30  AppKit + 0x3b3db
  	    rbp = 0x00007fff5a8150d0   rsp = 0x00007fff5a814ff0
  	    rip = 0x00007fffac7e33db
  	    Found by: previous frame's frame pointer
  	31  Chromium Framework!__ZN4base24MessagePumpNSApplication5DoRunEPNS_11MessagePump8DelegateE + 0x167
  	    rbp = 0x00007fff5a815250   rsp = 0x00007fff5a8150e0
  	    rip = 0x00000001072149c7
  	    Found by: previous frame's frame pointer
  	32  Chromium Framework!__ZN4base24MessagePumpCFRunLoopBase3RunEPNS_11MessagePump8DelegateE + 0x6e
  	    rbp = 0x00007fff5a815280   rsp = 0x00007fff5a815260
  	    rip = 0x000000010721351e
  	    Found by: previous frame's frame pointer
  	33  Chromium Framework!__ZN4base7RunLoop3RunEv + 0x34
  	    rbp = 0x00007fff5a8152a0   rsp = 0x00007fff5a815290
  	    rip = 0x0000000107236dd4
  	    Found by: previous frame's frame pointer
  	34  Chromium Framework!__ZN22ChromeBrowserMainParts18MainMessageLoopRunEPi + 0xc8
  	    rbp = 0x00007fff5a815300   rsp = 0x00007fff5a8152b0
  	    rip = 0x0000000106e5bba8
  	    Found by: previous frame's frame pointer
  	35  Chromium Framework!__ZN7content15BrowserMainLoop23RunMainMessageLoopPartsEv + 0x34
  	    rbp = 0x00007fff5a815330   rsp = 0x00007fff5a815310
  	    rip = 0x0000000105c54124
  	    Found by: previous frame's frame pointer
  	36  Chromium Framework!__ZN7content21BrowserMainRunnerImpl3RunEv + 0x12
  	    rbp = 0x00007fff5a815350   rsp = 0x00007fff5a815340
  	    rip = 0x0000000105c57272
  	    Found by: previous frame's frame pointer
  	37  Chromium Framework!__ZN7content11BrowserMainERKNS_18MainFunctionParamsE + 0xcc
  	    rbp = 0x00007fff5a8153a0   rsp = 0x00007fff5a815360
  	    rip = 0x0000000105c5063c
  	    Found by: previous frame's frame pointer
  	38  Chromium Framework!__ZN7content21ContentMainRunnerImpl3RunEv + 0x17f
  	    rbp = 0x00007fff5a815420   rsp = 0x00007fff5a8153b0
  	    rip = 0x0000000106e109cf
  	    Found by: previous frame's frame pointer
  	39  Chromium Framework!__ZN15service_manager4MainERKNS_10MainParamsE + 0x928
  	    rbp = 0x00007fff5a815850   rsp = 0x00007fff5a815430
  	    rip = 0x0000000108699578
  	    Found by: previous frame's frame pointer
  	40  Chromium Framework!__ZN7content11ContentMainERKNS_17ContentMainParamsE + 0x44
  	    rbp = 0x00007fff5a8158d0   rsp = 0x00007fff5a815860
  	    rip = 0x0000000106e0fed4
  	    Found by: previous frame's frame pointer
  	41  Chromium Framework!_ChromeMain + 0xaf
  	    rbp = 0x00007fff5a8159b0   rsp = 0x00007fff5a8158e0
  	    rip = 0x00000001054eb06f
  	    Found by: previous frame's frame pointer
  	42  Chromium!_main + 0x194
  	    rbp = 0x00007fff5a8159f0   rsp = 0x00007fff5a8159c0
  	    rip = 0x00000001053e7de4
  	    Found by: previous frame's frame pointer
  	43  libdyld.dylib + 0x5235
  	    rbp = 0x00007fff5a815a00   rsp = 0x00007fff5a815a00
  	    rip = 0x00007fffc48e8235
  	    Found by: previous frame's frame pointer
  	
  	Thread 1


*****

Dirk, this is failing on Mac10.11 & Mac10.12. Sadly we don't run Telemetry on Mac 10.9 which is the Mac on CQ :-(