Starting clone of https://hub.spigotmc.org/stash/scm/spigot/bukkit.git to Bukkit
Cloned git repository https://hub.spigotmc.org/stash/scm/spigot/bukkit.git to /root/mc/Bukkit. Current HEAD: 8d91199e35c782e94c4dd41fdc8140f84e048ef1
Starting clone of https://hub.spigotmc.org/stash/scm/spigot/craftbukkit.git to CraftBukkit
Cloned git repository https://hub.spigotmc.org/stash/scm/spigot/craftbukkit.git to /root/mc/CraftBukkit. Current HEAD: 7722428895866b437c1cc88d0c963b1bbb1e5e12
Starting clone of https://hub.spigotmc.org/stash/scm/spigot/spigot.git to Spigot
Cloned git repository https://hub.spigotmc.org/stash/scm/spigot/spigot.git to /root/mc/Spigot. Current HEAD: 2ec6f06d354112dea058ff44ee7c713a4a760fba
Starting clone of https://hub.spigotmc.org/stash/scm/spigot/builddata.git to BuildData
Cloned git repository https://hub.spigotmc.org/stash/scm/spigot/builddata.git to /root/mc/BuildData. Current HEAD: 264466a4bebb5aa2b41b66c5009b098a8f2e90dc
Attempting to build version: 'latest' use --rev <version> to override
Found version
{
	"name": "419",
	"description": "Jenkins build 419",
	"refs": {
		"BuildData": "264466a4bebb5aa2b41b66c5009b098a8f2e90dc",
		"Bukkit": "8d91199e35c782e94c4dd41fdc8140f84e048ef1",
		"CraftBukkit": "7722428895866b437c1cc88d0c963b1bbb1e5e12",
		"Spigot": "2ec6f06d354112dea058ff44ee7c713a4a760fba"
	}
}

Pulling updates for /root/mc/BuildData/.git
Successfully fetched updates!
Checked out: 264466a4bebb5aa2b41b66c5009b098a8f2e90dc
Pulling updates for /root/mc/Bukkit/.git
Successfully fetched updates!
Checked out: 8d91199e35c782e94c4dd41fdc8140f84e048ef1
Pulling updates for /root/mc/CraftBukkit/.git
Successfully fetched updates!
Checked out: 7722428895866b437c1cc88d0c963b1bbb1e5e12
Pulling updates for /root/mc/Spigot/.git
Successfully fetched updates!
Checked out: 2ec6f06d354112dea058ff44ee7c713a4a760fba
Attempting to build Minecraft with details: VersionInfo(minecraftVersion=1.8.3, accessTransforms=bukkit-1.8.3.at, classMappings=bukkit-1.8.3-cl.csrg, memberMappings=bukkit-1.8.3-members.csrg, packageMappings=package.srg)
Starting download of https://s3.amazonaws.com/Minecraft.Download/versions/1.8.3/minecraft_server.1.8.3.jar
Downloaded file: work/minecraft_server.1.8.3.jar with md5: cdd49c262cb98db636b8fae2837869ef
Final mapped jar: work/mapped.73f3c166.jar does not exist, creating!
Error occurred during initialization of VM
Could not reserve enough space for object heap
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.1.8.3.jar, -m, BuildData/mappings/bukkit-1.8.3-cl.csrg, -o, work/mapped.73f3c166.jar-cl]
	at org.spigotmc.builder.Builder.runProcess(Builder.java:592)
	at org.spigotmc.builder.Builder.main(Builder.java:244)
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.