LibGDX Dex2Oat Build Problem

I was trying to run the LibGDXMissileCommand sample with the newest snapshot from libGDX, where the following happened:

:ios:moeMainDebugX86Dex2Oat
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# ERROR LOG
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dex2oat I   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/dex2oat/dex2oat.cc:2220] /Users/marius/.moe/moe-sdk-1.1.0/tools/dex2oat --instruction-set=x86 --base=0x40000000 --compiler-backend=Quick --generate-debug-info --image=/Users/marius/moe-samples-java/LibGDXMissileCommand/ios/build/moe/main/dex2oat/debug-x86/image.art --image-classes=/Users/marius/.moe/moe-sdk-1.1.0/tools/preloaded-classes --oat-file=/Users/marius/moe-samples-java/LibGDXMissileCommand/ios/build/moe/main/dex2oat/debug-x86/application.oat --dex-file=/Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-core.dex:/Users/marius/moe-samples-java/LibGDXMissileCommand/ios/build/moe/main/dex/classes.jar:/Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-ios-retro-dex.jar
dex2oat I   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/runtime/parsed_options.cc:449] setting boot class path to /Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-core.dex:/Users/marius/moe-samples-java/LibGDXMissileCommand/ios/build/moe/main/dex/classes.jar:/Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-ios-retro-dex.jar
dex2oat W   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/dex/verification_results.cc:61] Method processed more than once: void android.icu.text.NumberFormat.<clinit>()
dex2oat W   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/dex/verification_results.cc:61] Method processed more than once: java.lang.String java.lang.AbstractStringBuilder.substring(int)
dex2oat W   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/dex/verification_results.cc:61] Method processed more than once: java.lang.String com.android.org.bouncycastle.util.Strings.toLowerCase(java.lang.String)
dex2oat W   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/dex/verification_results.cc:61] Method processed more than once: java.lang.String java.lang.IntegralToString.stringOf(char[])
dex2oat I   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/runtime/gc/heap.cc:2714] Explicit concurrent mark sweep GC freed 14648(1578KB) AllocSpace objects, 0(0B) LOS objects, 55% free, 3MB/7MB, paused 55us total 6.719ms
 3 Zip: EOCD not found, /Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-core.dex is not zip
 3 Zip: EOCD not found, /Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-core.dex is not zip
 3 Zip: EOCD not found, /Users/marius/.moe/moe-sdk-1.1.0/sdk/moe-core.dex is not zip
dex2oat F 467 6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/oat_writer.cc:645]Unexpected failure to resolve a method: void com.badlogic.gdx.backends.iosmoe.IOSApplication$Delegate.<clinit>()dex2oat F   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/oat_writer.cc:650] java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
dex2oat F   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/compiler/oat_writer.cc:650] (Throwable with empty stack trace)
dex2oat F 467 6552 /Volumes/SSD/gh-moe-master/aosp/art/runtime/runtime.cc:450]Runtime aborting...
Aborting thread:
"main" prio=5 tid=1 Runnable (still starting up)
  | group="" sCount=0 dsCount=0 obj=0x0 self=0x7fd863809400
  | sysTid=6552 nice=-1 cgrp=default sched=1/31 handle=0x7fff7232a000
  | state=? schedstat=( 0 0 0 ) utm=0 stm=0 core=0 HZ=100
  | stack=0x7fff557e2000-0x7fff557ea000 stackSize=8MB
  | held mutexes= "abort lock" "mutator lock"(shared held)
  (no managed stack frames)
Pending exception java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack trace available
(Throwable with empty stack trace)Dumping all threads without appropriate locks held: thread list lock
All threads:
DALVIK THREADS (1):
"main" prio=5 tid=1 Runnable (still starting up)
  | group="" sCount=0 dsCount=0 obj=0x0 self=0x7fd863809400
  | sysTid=6552 nice=-1 cgrp=default sched=1/31 handle=0x7fff7232a000
  | state=? schedstat=( 0 0 0 ) utm=0 stm=0 core=0 HZ=100
  | stack=0x7fff557e2000-0x7fff557ea000 stackSize=8MB
  | held mutexes= "abort lock" "mutator lock"(shared held)
  (no managed stack frames)

dex2oat W   467  6552 /Volumes/SSD/gh-moe-master/aosp/art/runtime/barrier.cc:96] Attempted to destroy barrier with non zero count -1
 FAILED

Solved the issue with adding

moe {
    proguardLevel 'all'
}

to my build.gradle