title: Unity ios build folder is empty
body: <p>I want to build my project for IOS. I choose folder and build my project. at the end of the build, my folder is empty. Why? Can you help me?</p>
  
  <p>There is an error on console:</p>
  
  <p>Failed running /Applications/Unity/Unity.app/Contents/Tools/UnusedByteCodeStripper2/UnusedBytecodeStripper2.exe --api NET_2_0_Subset -out "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/Managed/tempStrip" -l none -c link -b False -x "/Applications/Unity/PlaybackEngines/iOSSupport/Whitelists/Core.xml" -f "/Applications/Unity/Unity.app/Contents/il2cpp/LinkerDescriptors" -x "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/Managed/../platform_native_link.xml" -x "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/methods_pointedto_by_uievents.xml" -x "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/preserved_derived_types.xml" -x "/Users/arifsanat/Desktop/CityCars/Assets/link.xml" -d "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/Managed" -a  "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/Managed/Assembly-CSharp.dll" -a  "/Users/arifsanat/Desktop/CityCars/Temp/StagingArea/Data/Managed/UnityEngine.UI.dll"</p>
  
  <p>stdout:
  SweepReport:
  System.MonoType => Mono.Cecil.TypeDefinitionMono.Cecil.TypeDefinitionMono.Cecil.TypeDefinitionMono.Cecil.TypeDefinitionMono.Cecil.TypeDefinition
  Mono.Cecil.MethodDefinition => System.Void .ctor()System.Void .ctor(System.String)System.String get_Comment()System.Void .ctor()System.Boolean get_CanTransformMultipleBlocks()
  Mono.Cecil.FieldDefinition => System.String commentSystem.Func<code>3&lt;System.Int32,System.Int32,System.Int32&gt; &lt;&gt;f__am$cache0System.Func</code>3 &lt;>f__am$cache1System.Func<code>3&lt;System.Double,System.Double,System.Double&gt; &lt;&gt;f__am$cache2System.Func</code>3 &lt;>f__am$cache3
  Fatal error in Mono CIL Linker
  Mono.Cecil.ResolutionException: Failed to resolve UnityEngine.RenderTexture
    at UnusedBytecodeStripper2.AddUnresolvedStubsStep.Process () &lt;0x10afdf960 + 0x002fd> in :0 
    at Mono.Linker.Steps.BaseStep.Process (Mono.Linker.LinkContext context) &lt;0x1096e9ed0 + 0x0006b> in :0 
    at Mono.Linker.Pipeline.Process (Mono.Linker.LinkContext context) &lt;0x1096e8f90 + 0x000e6> in :0 
    at Mono.Linker.Driver.Run (IEqualityComparer<code>1 typeComparer, IEqualityComparer</code>1 methodComparer) &lt;0x108606520 + 0x00be7> in :0 
    at Mono.Linker.Driver.RunDriverWithErrorHandling (Mono.Linker.Driver driver, IEqualityComparer<code>1 typeComparer, IEqualityComparer</code>1 methodComparer) &lt;0x1086064d0 + 0x00026> in :0 
    at Mono.Linker.Driver.RunDriver (Mono.Linker.Driver driver, IEqualityComparer<code>1 typeComparer, IEqualityComparer</code>1 methodComparer) &lt;0x1086063e0 + 0x0003b> in :0 </p>