[INFO] Scanning for projects...
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[INFO] Building DuckzPvP 2.1
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[WARNING] The POM for net.milkbowl:vault:jar:1.2.27 is invalid, transitive dependencies (if any) will not be available, enable debug logging for more details
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ DuckzPvP ---
[INFO] Deleting C:\Users\Spoljo\Desktop\workspace\DuckzPvP\target
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[INFO] BUILD FAILURE
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[INFO] Total time: 1.900s
[INFO] Finished at: Tue Dec 10 20:48:35 CET 2013
[INFO] Final Memory: 5M/115M
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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:clean (default-clean) on project DuckzPvP: Failed to clean project: Failed to delete C:\Users\Spoljo\Desktop\workspace\DuckzPvP\target -> [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

Process finished with exit code 1