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[INFO]                                                                         
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[INFO] Building citizens-v1_11_R1 2.0.21-SNAPSHOT
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[INFO] 
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ citizens-v1_11_R1 ---
[INFO] 
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ citizens-v1_11_R1 ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /var/lib/jenkins/jobs/Citizens2/workspace/v1_11_R1/src/main/resources
[INFO] 
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ citizens-v1_11_R1 ---
[INFO] Compiling 101 source files to /var/lib/jenkins/jobs/Citizens2/workspace/v1_11_R1/target/classes
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[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /var/lib/jenkins/jobs/Citizens2/workspace/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/CustomEntityRegistry.java:[13,7] error: Iterable cannot be inherited with different arguments: <> and <java.lang.Class<? extends net.minecraft.server.v1_11_R1.Entity>>
[INFO] 1 error
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[INFO] Reactor Summary:
[INFO] 
[INFO] citizens-parent ................................... SUCCESS [0.900s]
[INFO] citizens-main ..................................... SUCCESS [14.175s]
[INFO] citizens-v1_10_R1 ................................. SUCCESS [7.221s]
[INFO] citizens-v1_11_R1 ................................. FAILURE [4.514s]
[INFO] citizens .......................................... SKIPPED
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[INFO] BUILD FAILURE
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[INFO] Total time: 27.425s
[INFO] Finished at: Mon Nov 21 17:06:53 GMT 2016
[INFO] Final Memory: 35M/276M
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[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile (default-compile) on project citizens-v1_11_R1: Compilation failure
[ERROR] /var/lib/jenkins/jobs/Citizens2/workspace/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/CustomEntityRegistry.java:[13,7] error: Iterable cannot be inherited with different arguments: <> and <java.lang.Class<? extends net.minecraft.server.v1_11_R1.Entity>>
[ERROR] -> [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/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :citizens-v1_11_R1