[0.023s] Invoking command in '/home/ros/EENG4/AdvancedRobotics_Lab3/build/advrobotics_lab3_app': CMAKE_PREFIX_PATH=/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_interfaces:/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_ros2:/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_app:/home/ros/turtlebot3_ws/install/turtlebot3:/home/ros/turtlebot3_ws/install/turtlebot3_simulations:/home/ros/turtlebot3_ws/install/turtlebot3_bringup:/home/ros/turtlebot3_ws/install/turtlebot3_node:/home/ros/turtlebot3_ws/install/turtlebot3_navigation2:/home/ros/turtlebot3_ws/install/turtlebot3_fake_node:/home/ros/turtlebot3_ws/install/turtlebot3_msgs:/home/ros/turtlebot3_ws/install/turtlebot3_manipulation_gazebo:/home/ros/turtlebot3_ws/install/turtlebot3_gazebo:/home/ros/turtlebot3_ws/install/turtlebot3_description:/home/ros/turtlebot3_ws/install/turtlebot3_cartographer:/home/ros/turtlebot3_ws/install/dynamixel_sdk_examples:/home/ros/turtlebot3_ws/install/dynamixel_sdk_custom_interfaces:/home/ros/turtlebot3_ws/install/dynamixel_sdk:/home/ros/turtlebot3_ws/install/turtlebot3_teleop:/home/ros/turtlebot3_ws/install/turtlebot3_example:/opt/ros/humble LD_LIBRARY_PATH=/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_interfaces/lib:/home/ros/turtlebot3_ws/install/turtlebot3_msgs/lib:/home/ros/turtlebot3_ws/install/dynamixel_sdk_custom_interfaces/lib:/home/ros/turtlebot3_ws/install/dynamixel_sdk/lib:/usr/lib/x86_64-linux-gnu/gazebo-11/plugins:/opt/ros/humble/opt/rviz_ogre_vendor/lib:/opt/ros/humble/lib/x86_64-linux-gnu:/opt/ros/humble/lib:/usr/lib/x86_64-linux-gnu/gazebo-11/plugins /usr/bin/cmake --build /home/ros/EENG4/AdvancedRobotics_Lab3/build/advrobotics_lab3_app -- -j4 -l4
[0.086s] Consolidate compiler generated dependencies of target build_tower
[0.117s] [ 50%] Building CXX object CMakeFiles/build_tower.dir/src/build_tower.cpp.o
[3.740s] /home/ros/EENG4/AdvancedRobotics_Lab3/src/advrobotics_lab3_app/src/build_tower.cpp:161:7: error: redefinition of ‘class BuildTower’
[3.740s]   161 | class BuildTower : public rclcpp::Node
[3.740s]       |       ^~~~~~~~~~
[3.741s] /home/ros/EENG4/AdvancedRobotics_Lab3/src/advrobotics_lab3_app/src/build_tower.cpp:12:7: note: previous definition of ‘class BuildTower’
[3.741s]    12 | class BuildTower : public rclcpp::Node
[3.741s]       |       ^~~~~~~~~~
[3.741s] /home/ros/EENG4/AdvancedRobotics_Lab3/src/advrobotics_lab3_app/src/build_tower.cpp:276:5: error: redefinition of ‘int main(int, char**)’
[3.741s]   276 | int main(int argc, char **argv)
[3.741s]       |     ^~~~
[3.741s] /home/ros/EENG4/AdvancedRobotics_Lab3/src/advrobotics_lab3_app/src/build_tower.cpp:142:5: note: ‘int main(int, char**)’ previously defined here
[3.741s]   142 | int main(int argc, char **argv)
[3.741s]       |     ^~~~
[5.412s] gmake[2]: *** [CMakeFiles/build_tower.dir/build.make:76: CMakeFiles/build_tower.dir/src/build_tower.cpp.o] Error 1
[5.413s] gmake[1]: *** [CMakeFiles/Makefile2:137: CMakeFiles/build_tower.dir/all] Error 2
[5.413s] gmake: *** [Makefile:146: all] Error 2
[5.416s] Invoked command in '/home/ros/EENG4/AdvancedRobotics_Lab3/build/advrobotics_lab3_app' returned '2': CMAKE_PREFIX_PATH=/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_interfaces:/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_ros2:/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_app:/home/ros/turtlebot3_ws/install/turtlebot3:/home/ros/turtlebot3_ws/install/turtlebot3_simulations:/home/ros/turtlebot3_ws/install/turtlebot3_bringup:/home/ros/turtlebot3_ws/install/turtlebot3_node:/home/ros/turtlebot3_ws/install/turtlebot3_navigation2:/home/ros/turtlebot3_ws/install/turtlebot3_fake_node:/home/ros/turtlebot3_ws/install/turtlebot3_msgs:/home/ros/turtlebot3_ws/install/turtlebot3_manipulation_gazebo:/home/ros/turtlebot3_ws/install/turtlebot3_gazebo:/home/ros/turtlebot3_ws/install/turtlebot3_description:/home/ros/turtlebot3_ws/install/turtlebot3_cartographer:/home/ros/turtlebot3_ws/install/dynamixel_sdk_examples:/home/ros/turtlebot3_ws/install/dynamixel_sdk_custom_interfaces:/home/ros/turtlebot3_ws/install/dynamixel_sdk:/home/ros/turtlebot3_ws/install/turtlebot3_teleop:/home/ros/turtlebot3_ws/install/turtlebot3_example:/opt/ros/humble LD_LIBRARY_PATH=/home/ros/EENG4/AdvancedRobotics_Lab3/install/advrobotics_lab3_interfaces/lib:/home/ros/turtlebot3_ws/install/turtlebot3_msgs/lib:/home/ros/turtlebot3_ws/install/dynamixel_sdk_custom_interfaces/lib:/home/ros/turtlebot3_ws/install/dynamixel_sdk/lib:/usr/lib/x86_64-linux-gnu/gazebo-11/plugins:/opt/ros/humble/opt/rviz_ogre_vendor/lib:/opt/ros/humble/lib/x86_64-linux-gnu:/opt/ros/humble/lib:/usr/lib/x86_64-linux-gnu/gazebo-11/plugins /usr/bin/cmake --build /home/ros/EENG4/AdvancedRobotics_Lab3/build/advrobotics_lab3_app -- -j4 -l4