Ignore the version number as I do not know how to get the version from buildtools. I'm using the latest one (#38)

Each time I use gitbash to compile or using the beta buildtools I get this error.

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.12.4:test (default-test) on project bukkit: Error occurred in starting fork, check output in log -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
Exception in thread "main" java.lang.RuntimeException: Error running command, return status !=0: [sh, c:\users\berwyn\desktop\minecraft\apache-maven-3.2.5/bin/mvn, clean, install]
at org.spigotmc.builder.Builder.runProcess(Builder.java:492)
at org.spigotmc.builder.Builder.main(Builder.java:373)

Full log: http://pastebin.com/ZFb38m8z

or see attachment