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> make -j8
Scanning dependencies of target caffe2_cpp_test
[ 50%] Building CXX object CMakeFiles/caffe2_cpp_test.dir/src/main.cpp.o
/home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp: In function ‘void caffe2::caffe2_pretrained_run()’:
/home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp:121:50: error: use of deleted function ‘caffe2::Tensor::Tensor(const caffe2::Tensor&)’
             auto output = TensorCPU(output_device);
                                                  ^
In file included from /usr/local/include/caffe2/core/blob.h:13:0,
                 from /usr/local/include/caffe2/core/operator.h:12,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/inc/utils.h:10,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp:1:
/usr/local/include/caffe2/core/tensor.h:763:3: note: declared here
   Tensor(const Tensor& src) = delete;
   ^
In file included from /usr/local/include/caffe2/core/operator.h:12:0,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/inc/utils.h:10,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp:1:
/usr/local/include/caffe2/core/blob.h: In instantiation of ‘T* caffe2::Blob::GetMutable() [with T = caffe2::Tensor]’:
/home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp:77:75:   required from here
/usr/local/include/caffe2/core/blob.h:127:5: error: static assertion failed: GetMutable can't be called with non-default-constructible types. Try using specialized methods
     static_assert(
     ^
/usr/local/include/caffe2/core/blob.h:135:22: error: use of deleted function ‘caffe2::Tensor::Tensor()’
       return Reset<T>(new T());
                      ^
In file included from /usr/local/include/caffe2/core/blob.h:13:0,
                 from /usr/local/include/caffe2/core/operator.h:12,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/inc/utils.h:10,
                 from /home/cgilab/Desktop/Caffe2_Demo/03_cpp_forward/build/caffe2_Cpp_example/src/main.cpp:1:
/usr/local/include/caffe2/core/tensor.h:94:3: note: declared here
   Tensor() = delete;
   ^
CMakeFiles/caffe2_cpp_test.dir/build.make:62: recipe for target 'CMakeFiles/caffe2_cpp_test.dir/src/main.cpp.o' failed
make[2]: *** [CMakeFiles/caffe2_cpp_test.dir/src/main.cpp.o] Error 1
CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/caffe2_cpp_test.dir/all' failed
make[1]: *** [CMakeFiles/caffe2_cpp_test.dir/all] Error 2
Makefile:83: recipe for target 'all' failed
make: *** [all] Error 2