definition of implicit copy constructor for 'PolymorphicAction<testing::internal::ReturnNullAction>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'PolymorphicAction<testing::internal::ReturnVoidAction>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'PolymorphicMatcher<testing::internal::IsNullMatcher>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'PolymorphicMatcher<testing::internal::NotNullMatcher>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'FloatingEqMatcher<double>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'FloatingEqMatcher<float>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'PolymorphicMatcher<testing::internal::StrEqualityMatcher<std::string>>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'StrEqualityMatcher<std::string>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]

definition of implicit copy constructor for 'PolymorphicMatcher<testing::internal::HasSubstrMatcher<std::string>>' is deprecated because it has a user-declared copy assignment operator [-Wdeprecated-copy]