ros2trace doesn't explicitly install package.xml
When building:
Starting >>> ros2trace
[1186.538s] WARNING:colcon.colcon_ros.task.ament_python.build:Package 'ros2trace' doesn't explicitly install the 'package.xml' file (colcon-ros currently does it implicitly but that fallback will be removed in the future)
Edited by Christophe Bédard