I’m attempting to build for iOS using a project that is known to work on a machine with much more ram. This is the stack trace dumped by the Apple Crash Reporter after firing off a package operation. I will attach relevant message log output in a separate comment.
Dump
Process: UE4Editor [4554]
Path: /Users/Shared/*/UE4Editor.app/Contents/MacOS/UE4Editor
Identifier: com.epicgames.UE4Editor
Version: 4.2.1 (4.2.1)
Code Type: X86-64 (Native)
Parent Process: mono [4553]
Responsible: UE4Editor [4505]
User ID: 501
Date/Time: 2014-07-08 09:53:54.839 -0400
OS Version: Mac OS X 10.9.4 (13E28)
Report Version: 11
Anonymous UUID: 32F1B35A-C7D5-489C-2FC1-362BBDF2F208
Sleep/Wake UUID: 631C04BE-60CB-495A-9E28-E15016E16905
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000
VM Regions Near 0:
-->
__TEXT 0000000103cbb000-0000000103ceb000 [ 192K] r-x/rwx SM=COW /Users/Shared/*/UE4Editor.app/Contents/MacOS/UE4Editor
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 UE4Editor-Core.dylib 0x0000000103f7087e FPlatformFileOpenLog::OpenRead(wchar_t const*) + 590
1 UE4Editor-Core.dylib 0x0000000103ec9c8a FFileManagerGeneric::CreateFileReader(wchar_t const*, unsigned int) + 90
2 UE4Editor-Core.dylib 0x0000000103ff8457 FFileHelper::LoadFileToString(FString&, wchar_t const*, unsigned int) + 55
3 UE4Editor-Projects.dylib 0x0000000108ab6f36 FProjectOrPlugin::LoadFromFile(FString const&, FText&) + 166
4 UE4Editor-Projects.dylib 0x0000000108abd6f0 FProjectManager::LoadProjectFile(FString const&) + 176
5 com.epicgames.UE4Editor 0x0000000103cc97f7 FEngineLoop::PreInit(wchar_t const*) + 12407
6 com.epicgames.UE4Editor 0x0000000103cd11fc GuardedMain(wchar_t const*) + 28
7 com.epicgames.UE4Editor 0x0000000103cd7630 -[UE4AppDelegate applicationDidFinishLaunching:] + 2080
8 com.apple.CoreFoundation 0x00007fff8dafee0c __CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
9 com.apple.CoreFoundation 0x00007fff8d9f282d _CFXNotificationPost + 2893
10 com.apple.Foundation 0x00007fff8f22f7ba -[NSNotificationCenter postNotificationName:object:userInfo:] + 68
11 com.apple.AppKit 0x00007fff88237b69 -[NSApplication _postDidFinishNotification] + 289
12 com.apple.AppKit 0x00007fff8823789c -[NSApplication _sendFinishLaunchingNotification] + 195
13 com.apple.AppKit 0x00007fff88234786 -[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:] + 570
14 com.apple.AppKit 0x00007fff882341db -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 242
15 com.apple.Foundation 0x00007fff8f24df0a -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 294
16 com.apple.Foundation 0x00007fff8f24dd7d _NSAppleEventManagerGenericHandler + 106
17 com.apple.AE 0x00007fff8661ce1f aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*) + 381
18 com.apple.AE 0x00007fff8661cc32 dispatchEventAndSendReply(AEDesc const*, AEDesc*) + 31
19 com.apple.AE 0x00007fff8661cb36 aeProcessAppleEvent + 315
20 com.apple.HIToolbox 0x00007fff8bcf4161 AEProcessAppleEvent + 56
21 com.apple.AppKit 0x00007fff882300b6 _DPSNextEvent + 1026
22 com.apple.AppKit 0x00007fff8822f89b -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
23 com.apple.AppKit 0x00007fff8822399c -[NSApplication run] + 553
24 com.apple.AppKit 0x00007fff8820e783 NSApplicationMain + 940
25 com.epicgames.UE4Editor 0x0000000103cd7e9b tchar_main(int, wchar_t**) + 1243
26 com.epicgames.UE4Editor 0x0000000103cd7904 main + 276
27 libdyld.dylib 0x00007fff8e12f5fd start + 1
Thread 1:
0 libsystem_kernel.dylib 0x00007fff86fb3e6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff8d104f08 _pthread_wqthread + 330
2 libsystem_pthread.dylib 0x00007fff8d107fb9 start_wqthread + 13
Thread 2:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff86fb4662 kevent64 + 10
1 libdispatch.dylib 0x00007fff87070421 _dispatch_mgr_invoke + 239
2 libdispatch.dylib 0x00007fff87070136 _dispatch_mgr_thread + 52
Thread 3:
0 libsystem_kernel.dylib 0x00007fff86fb3e6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff8d104f08 _pthread_wqthread + 330
2 libsystem_pthread.dylib 0x00007fff8d107fb9 start_wqthread + 13
Thread 4:
0 libsystem_kernel.dylib 0x00007fff86fb3e6a __workq_kernreturn + 10
1 libsystem_pthread.dylib 0x00007fff8d104f08 _pthread_wqthread + 330
2 libsystem_pthread.dylib 0x00007fff8d107fb9 start_wqthread + 13
Thread 0 crashed with X86 Thread State (64-bit):
rax: 0x00007f8dec304090 rbx: 0x00007f8dea6db5c0 rcx: 0x0000000000000010 rdx: 0xfffffffffffffff0
rdi: 0x00007f8dec307f40 rsi: 0x00007fff5bf41b80 rbp: 0x00007fff5bf42430 rsp: 0x00007fff5bf42280
r8: 0x0000000000000024 r9: 0x0000000000000001 r10: 0x0000000072ea722b r11: 0xffffff8e903c6400
r12: 0x00000001042bbfd8 r13: 0x0000000000000000 r14: 0x0000000000000000 r15: 0x00007f8dea6db501
rip: 0x0000000103f7087e rfl: 0x0000000000010246 cr2: 0x0000000000000000
Logical CPU: 1
Error Code: 0x00000004
Trap Number: 14
VM Region Summary:
ReadOnly portion of Libraries: Total=375.6M resident=164.5M(44%) swapped_out_or_unallocated=211.0M(56%)
Writable regions: Total=120.4M written=8960K(7%) resident=9260K(8%) swapped_out=5612K(5%) unallocated=111.4M(92%)
REGION TYPE VIRTUAL
=========== =======
CG shared images 140K
Dispatch continuations 16.0M
Kernel Alloc Once 8K
MALLOC 72.6M
MALLOC (admin) 32K
Memory Tag 242 12K
STACK GUARD 56.0M
Stack 9824K
VM_ALLOCATE 16.3M
__DATA 26.6M
__IMAGE 528K
__LINKEDIT 161.4M
__TEXT 214.1M
__UNICODE 544K
mapped file 37.8M
shared memory 4K
=========== =======
TOTAL 611.8M
Model: MacBookPro10,1, BootROM MBP101.00EE.B02, 4 processors, Intel Core i7, 2.6 GHz, 8 GB, SMC 2.3f36
Graphics: Intel HD Graphics 4000, Intel HD Graphics 4000, Built-In
Graphics: NVIDIA GeForce GT 650M, NVIDIA GeForce GT 650M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1600 MHz, 0x80AD, 0x484D54333531533642465238432D50422020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xEF), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.6f1 14216, 3 services, 23 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SM512E, 500.28 GB
USB Device: Hub
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: Apple Internal Keyboard / Trackpad
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Pro, Apple Inc., 23.4