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[INFO] 
[INFO] -------------------< net.citizensnpcs:citizens-main >-------------------
[INFO] Building citizens-main 2.0.26-SNAPSHOT                            [2/10]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ citizens-main ---
[INFO] 
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ citizens-main ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 7 resources to .
[INFO] 
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ citizens-main ---
[INFO] Changes detected - recompiling the module!
[INFO] Compiling 136 source files to /var/lib/jenkins/jobs/Citizens2/workspace/main/target/classes
[INFO] /var/lib/jenkins/jobs/Citizens2/workspace/main/src/main/java/net/citizensnpcs/trait/versioned/CatTrait.java: Some input files use or override a deprecated API.
[INFO] /var/lib/jenkins/jobs/Citizens2/workspace/main/src/main/java/net/citizensnpcs/trait/versioned/CatTrait.java: Recompile with -Xlint:deprecation for details.
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /var/lib/jenkins/jobs/Citizens2/workspace/main/src/main/java/net/citizensnpcs/npc/ai/AStarNavigationStrategy.java:[118,26] cannot find symbol
  symbol:   method isEmpty()
  location: variable state of type net.citizensnpcs.api.astar.AStarMachine<net.citizensnpcs.api.astar.pathfinder.VectorNode,net.citizensnpcs.api.astar.pathfinder.Path>.AStarState
[INFO] 1 error
[INFO] -------------------------------------------------------------