dpkg-query: no packages found matching libgtk2.0-dev
debconf: delaying package configuration, since apt-utils is not installed
CMake Warning at source_subfolder/cmake/OpenCVDetectPython.cmake:81 (message):
  CMake's 'find_host_package(PythonInterp 2.7)' found wrong Python version:

  PYTHON_EXECUTABLE=/opt/pyenv/versions/3.8.2/bin/python

  PYTHON_VERSION_STRING=3.8.2

  Consider providing the 'PYTHON2_EXECUTABLE' variable via CMake command line
  or environment variables

Call Stack (most recent call first):
  source_subfolder/cmake/OpenCVDetectPython.cmake:271 (find_python)
  source_subfolder/CMakeLists.txt:607 (include)


Traceback (most recent call last):
  File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'numpy'
/home/conan/w/cci_PR-4722/.conan/data/opencv/4.5.0/_/_/build/08b6ec623fff2cb3f570ca9412aeb9fec940da47/source_subfolder/modules/features2d/src/evaluation.cpp:317:21: warning: definition of implicit copy constructor for 'UsedFinder' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]
        UsedFinder& operator=(const UsedFinder&);
                    ^
/home/conan/w/cci_PR-4722/.conan/data/opencv/4.5.0/_/_/build/08b6ec623fff2cb3f570ca9412aeb9fec940da47/source_subfolder/modules/features2d/src/evaluation.cpp:390:40: note: in implicit copy constructor for 'SIdx::UsedFinder' first required here
        end = std::remove_if(pos, end, SIdx::UsedFinder(*prev));
                                       ^
1 warning generated.
/home/conan/w/cci_PR-4722/.conan/data/opencv/4.5.0/_/_/build/08b6ec623fff2cb3f570ca9412aeb9fec940da47/source_subfolder/modules/features2d/src/keypoint.cpp:154:20: warning: definition of implicit copy constructor for 'MaskPredicate' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]
    MaskPredicate& operator=(const MaskPredicate&);
                   ^
/home/conan/w/cci_PR-4722/.conan/data/opencv/4.5.0/_/_/build/08b6ec623fff2cb3f570ca9412aeb9fec940da47/source_subfolder/modules/features2d/src/keypoint.cpp:164:72: note: in implicit copy constructor for 'cv::MaskPredicate' first required here
    keypoints.erase(std::remove_if(keypoints.begin(), keypoints.end(), MaskPredicate(mask)), keypoints.end());
                                                                       ^
1 warning generated.
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


eigen/3.3.9: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/cci_PR-4722/.conan/data/eigen/3.3.9/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component eigen::eigen libdir "lib" does not contain any library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component eigen::eigen libdir "lib" does not contain any declared library
eigen/3.3.9: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/cci_PR-4722/.conan/data/eigen/3.3.9/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component eigen::eigen3 libdir "lib" does not contain any library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component eigen::eigen3 libdir "lib" does not contain any declared library
gtk/system: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/cci_PR-4722/.conan/data/gtk/system/_/_/package/cc5e5ca8b619d2dffaaeae1e4924ae3ce085a8f1/lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component gtk::gtk libdir "lib" does not contain any library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component gtk::gtk libdir "lib" does not contain any declared library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component libwebp::libwebp libdir "lib" does not contain any declared library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component zstd::zstd libdir "lib" does not contain any declared library
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component opencv::opencv libdir "lib" does not contain any declared library