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/core/CMakeFiles/opencv_core.dir/src/matmul.dispatch.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/core/CMakeFiles/opencv_core.dir/src/matrix.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. Terminated make[2]: *** [source_subfolder/modules/core/CMakeFiles/opencv_core.dir/src/lapack.cpp.o] Error 143 make[1]: *** [source_subfolder/modules/core/CMakeFiles/opencv_core.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/6015a1bb97a7393747387614304d1c36acd1fe51 opencv/3.4.12: ERROR: Package '6015a1bb97a7393747387614304d1c36acd1fe51' build failed opencv/3.4.12: WARN: Build folder /home/conan/w/cci_PR-3465/.conan/data/opencv/3.4.12/_/_/build/6015a1bb97a7393747387614304d1c36acd1fe51 ERROR: Exiting with code: 5