It loads all the folders but can't load the jars. It says that the main is out of memory and I'm not sure what to do I did everything correct.

Pulling updates for /Users/Gabe/Desktop/spigot/BuildData/.git
Successfully fetched updates!
Checked out: edb83b57eae2a26f058276ba19babda5a5acac1b
Pulling updates for /Users/Gabe/Desktop/spigot/Bukkit/.git
Successfully fetched updates!
Checked out: 643b7d56fb3f6040df9b3f4eb559beb44153f165
Pulling updates for /Users/Gabe/Desktop/spigot/CraftBukkit/.git
Successfully fetched updates!
Checked out: de5c26123fcb6294e77ec916d91635c3f18982ee
Pulling updates for /Users/Gabe/Desktop/spigot/Spigot/.git
Successfully fetched updates!
Checked out: 6c9b0a1a1dca0ba832d76d8c3401d66d1c616015
Attempting to build Minecraft with details: VersionInfo(minecraftVersion=1.8.8, accessTransforms=bukkit-1.8.8.at, classMappings=bukkit-1.8.8-cl.csrg, memberMappings=bukkit-1.8.8-members.csrg, packageMappings=package.srg)
Final mapped jar: work/mapped.17f6149b.jar does not exist, creating!
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at org.objectweb.asm.tree.MethodNode.visitFieldInsn(MethodNode.java:443)
at org.objectweb.asm.ClassReader.readCode(ClassReader.java:1414)
at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1017)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:693)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:506)
at net.md_5.ss.repo.RuntimeRepo.getClass0(RuntimeRepo.java:27)
at net.md_5.ss.repo.ClassRepo.getClass(ClassRepo.java:22)
at net.md_5.ss.repo.AggregateRepo.getClass0(AggregateRepo.java:30)
at net.md_5.ss.repo.ClassRepo.getClass(ClassRepo.java:22)
at net.md_5.ss.remapper.EnhancedRemapper.findMethodDeclarer(EnhancedRemapper.java:67)
at net.md_5.ss.remapper.EnhancedRemapper.mapMethodName(EnhancedRemapper.java:33)
at net.md_5.ss.remapper.MethodRemapper.visitMethodInsn(MethodRemapper.java:120)
at org.objectweb.asm.ClassReader.readCode(ClassReader.java:1416)
at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1017)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:693)
at org.objectweb.asm.ClassReader.accept(ClassReader.java:506)
at net.md_5.ss.model.ClassInfo.remap(ClassInfo.java:120)
at net.md_5.ss.SpecialSource.map(SpecialSource.java:96)
at net.md_5.ss.SpecialSource.main(SpecialSource.java:44)
Exception in thread "main" java.lang.RuntimeException: Error running command, return status !=0: [java, -jar, BuildData/bin/SpecialSource-2.jar, map, -i, work/minecraft_server.1.8.8.jar, -m, BuildData/mappings/bukkit-1.8.8-cl.csrg, -o, work/mapped.17f6149b.jar-cl]
at org.spigotmc.builder.Builder.runProcess(Builder.java:498)
at org.spigotmc.builder.Builder.main(Builder.java:275)
logout

[Process completed]