OutOfMemoryError introduced by 1.1.0

[cchantep]

After upgrade, it seems that 1.1.0 introduce an OOM.

java.lang.OutOfMemoryError: Java heap space
	at java.nio.file.Files.read(Files.java:3099)
	at java.nio.file.Files.readAllBytes(Files.java:3158)
	at com.eed3si9n.jarjarabrams.Shader$.$anonfun$shadeDirectory$3(Shader.scala:19)
	at com.eed3si9n.jarjarabrams.Shader$$$Lambda$21105/548814501.apply(Unknown Source)
	at scala.collection.TraversableLike$WithFilter.$anonfun$map$2(TraversableLike.scala:935)
	at scala.collection.TraversableLike$WithFilter$$Lambda$2356/303559000.apply(Unknown Source)
	at scala.collection.Iterator.foreach(Iterator.scala:943)
	at scala.collection.Iterator.foreach$(Iterator.scala:943)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
	at scala.collection.IterableLike.foreach(IterableLike.scala:74)
	at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
	at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
	at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:934)
	at com.eed3si9n.jarjarabrams.Shader$.shadeDirectory(Shader.scala:17)
	at sbtassembly.Assembly$.$anonfun$assembleMappings$11(Assembly.scala:296)
	at sbtassembly.Assembly$$$Lambda$21137/2147246401.apply(Unknown Source)
java.lang.OutOfMemoryError: Java heap space
	at java.nio.file.Files.read(Files.java:3099)
	at java.nio.file.Files.readAllBytes(Files.java:3158)
	at com.eed3si9n.jarjarabrams.Shader$.$anonfun$shadeDirectory$3(Shader.scala:19)
	at com.eed3si9n.jarjarabrams.Shader$$$Lambda$7588/835341038.apply(Unknown Source)
	at scala.collection.TraversableLike$WithFilter.$anonfun$map$2(TraversableLike.scala:935)
	at scala.collection.TraversableLike$WithFilter$$Lambda$1791/1673916398.apply(Unknown Source)
	at scala.collection.Iterator.foreach(Iterator.scala:943)
	at scala.collection.Iterator.foreach$(Iterator.scala:943)
	at scala.collection.AbstractIterator.foreach(Iterator.scala:1431)
	at scala.collection.IterableLike.foreach(IterableLike.scala:74)
	at scala.collection.IterableLike.foreach$(IterableLike.scala:73)
	at scala.collection.AbstractIterable.foreach(Iterable.scala:56)
	at scala.collection.TraversableLike$WithFilter.map(TraversableLike.scala:934)
	at com.eed3si9n.jarjarabrams.Shader$.shadeDirectory(Shader.scala:17)
	at sbtassembly.Assembly$.$anonfun$assembleMappings$11(Assembly.scala:294)
	at sbtassembly.Assembly$$$Lambda$7624/419698892.apply(Unknown Source)
	at scala.collection.parallel.AugmentedIterableIterator.map2combiner(RemainsIterator.scala:116)
	at scala.collection.parallel.AugmentedIterableIterator.map2combiner$(RemainsIterator.scala:113)
	at scala.collection.parallel.immutable.ParVector$ParVectorIterator.map2combiner(ParVector.scala:66)
	at scala.collection.parallel.ParIterableLike$Map.leaf(ParIterableLike.scala:1064)
	at scala.collection.parallel.Task.$anonfun$tryLeaf$1(Tasks.scala:53)
	at scala.collection.parallel.Task$$Lambda$2644/1917338662.apply$mcV$sp(Unknown Source)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
	at scala.util.control.Breaks$$anon$1.catchBreak(Breaks.scala:67)
	at scala.collection.parallel.Task.tryLeaf(Tasks.scala:56)
	at scala.collection.parallel.Task.tryLeaf$(Tasks.scala:50)
	at scala.collection.parallel.ParIterableLike$Map.tryLeaf(ParIterableLike.scala:1061)
	at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask.internal(Tasks.scala:160)
	at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask.internal$(Tasks.scala:157)
	at scala.collection.parallel.AdaptiveWorkStealingForkJoinTasks$WrappedTask.internal(Tasks.scala:440)
	at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask.compute(Tasks.scala:150)
	at scala.collection.parallel.AdaptiveWorkStealingTasks$WrappedTask.compute$(Tasks.scala:149)
[error] [launcher] error during sbt launcher: java.lang.OutOfMemoryError: Java heap space

• sbt 1.6.2
• JDK 1.8 (linux | osx)