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[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] citizens-parent ................................... SUCCESS [0.663s]
[INFO] citizens-main ..................................... FAILURE [5.604s]
[INFO] citizens-v1_8_R3 .................................. SKIPPED
[INFO] citizens-v1_10_R1 ................................. SKIPPED
[INFO] citizens-v1_11_R1 ................................. SKIPPED
[INFO] citizens-v1_12_R1 ................................. SKIPPED
[INFO] citizens-v1_13_R1 ................................. SKIPPED
[INFO] citizens .......................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.197s
[INFO] Finished at: Thu Jul 19 12:20:29 GMT 2018
[INFO] Final Memory: 12M/98M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data[ERROR] Failed to execute goal on project citizens-main: Could not resolve dependencies for project net.citizensnpcs:citizens-main:jar:2.0.23-SNAPSHOT: The following artifacts could not be resolved: org.bukkit:craftbukkit:jar:1.13-pre7-R0.1-SNAPSHOT, net.citizensnpcs:citizensapi:jar:2.0.23-SNAPSHOT: Could not find artifact org.bukkit:craftbukkit:jar:1.13-pre7-R0.1-SNAPSHOT in spigot-repo (https://hub.spigotmc.org/nexus/content/repositories/snapshots/) -> [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/DependencyResolutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :citizens-main

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Finished: NOT_BUILT