环境ubuntu20.04：已经安装了ros1 noetic和ros2 foxy
打印输出如下：
WRT-WX9:~/dev_ws$ rosdep update
reading in sources list data from /etc/ros/rosdep/sources.list.d
Hit https://mirrors.tuna.tsinghua.edu.cn/github-raw/ros/rosdistro/master/rosdep/osx-homebrew.yaml
Hit https://mirrors.tuna.tsinghua.edu.cn/github-raw/ros/rosdistro/master/rosdep/base.yaml
Hit https://mirrors.tuna.tsinghua.edu.cn/github-raw/ros/rosdistro/master/rosdep/python.yaml
Hit https://mirrors.tuna.tsinghua.edu.cn/github-raw/ros/rosdistro/master/rosdep/ruby.yaml
Query rosdistro index https://raw.githubusercontent.com/ros/rosdistro/master/index-v4.yaml
Skip end-of-life distro "ardent"
Skip end-of-life distro "bouncy"
Skip end-of-life distro "crystal"
Skip end-of-life distro "dashing"
Skip end-of-life distro "eloquent"
Skip end-of-life distro "foxy"
Skip end-of-life distro "galactic"
Skip end-of-life distro "groovy"
Add distro "humble"
ERROR: error loading sources list:
The read operation timed out
hlc@hlc-WRT-WX9:~/dev_ws$ colcon build
[6.300s] WARNING:colcon.colcon_ros.prefix_path.catkin:The path '/lib/python3/dist-packages/catkin_make' in the environment variable CMAKE_PREFIX_PATH doesn't exist
Starting >>> learning_interface
Starting >>> learning_gazebo                      
Starting >>> learning_launch                                      
Starting >>> learning_node                                        
Starting >>> learning_parameter                                   
Starting >>> learning_pkg_c                                       
Starting >>> learning_pkg_python                                  
Starting >>> learning_qos                                         
Finished <<< learning_pkg_c [6.95s]                                         
Starting >>> learning_tf
--- stderr: learning_pkg_python                                              
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_pkg_python [9.68s]
Starting >>> learning_urdf
--- stderr: learning_launch                                                   
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_launch [11.2s]
--- stderr: learning_gazebo                                                   
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_gazebo [13.3s]
--- stderr: learning_parameter                                                
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_parameter [13.0s]
--- stderr: learning_qos                                                      
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_qos [12.9s]
--- stderr: learning_node                                                     
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_node [13.7s]
--- stderr: learning_tf                                                       
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_tf [10.1s]
--- stderr: learning_urdf                                                     
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_urdf [8.53s]
Finished <<< learning_interface [27.9s]                        
Starting >>> learning_action
Starting >>> learning_service                    
Starting >>> learning_topic                                      
--- stderr: learning_action                                      
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_action [6.43s]
--- stderr: learning_service                                      
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_service [6.35s]
--- stderr: learning_topic                      
/usr/local/lib/python3.8/dist-packages/setuptools/_distutils/cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
        ********************************************************************************
        Please avoid running ``setup.py`` directly.
        Instead, use pypa/build, pypa/installer or other
        standards-based tools.
        See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
        ********************************************************************************
!!
  self.initialize_options()
---
Finished <<< learning_topic [6.28s]
Summary: 13 packages finished [39.9s]
  11 packages had stderr output: learning_action learning_gazebo learning_launch learning_node learning_parameter learning_pkg_python learning_qos learning_service learning_tf learning_topic learning_urdf