Traceback (most recent call last): File "", line 1, in ImportError: No module named numpy.distutils Traceback (most recent call last): File "", line 1, in ModuleNotFoundError: No module named 'numpy' g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/modules/imgproc/CMakeFiles/opencv_imgproc.dir/morph.avx2.cpp.o] Error 4 make[2]: *** Waiting for unfinished jobs.... g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/modules/imgproc/CMakeFiles/opencv_imgproc.dir/smooth.avx2.cpp.o] Error 4 g++: internal compiler error: Terminated (program cc1plus) Please submit a full bug report, with preprocessed source if appropriate. See for instructions. make[2]: *** [source_subfolder/modules/imgproc/CMakeFiles/opencv_imgproc.dir/sumpixels.avx2.cpp.o] Error 4 make[1]: *** [source_subfolder/modules/imgproc/CMakeFiles/opencv_imgproc.dir/all] Error 2 make: *** [all] Error 2 opencv/3.4.12: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/07f94df321921514465f6d8ba4944966d0866a4c opencv/3.4.12: ERROR: Package '07f94df321921514465f6d8ba4944966d0866a4c' build failed opencv/3.4.12: WARN: Build folder /home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/07f94df321921514465f6d8ba4944966d0866a4c ERROR: opencv/3.4.12: Error in build() method, line 191 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/07f94df321921514465f6d8ba4944966d0866a4c/build_subfolder' '--' '-j3' Terminated