unused function 'read_using_simdjson' [-Wunused-function]

The following variables are not used in CMakeLists.txt:

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

implicit capture of 'this' via '[=]' is deprecated in C++20 [-Wdeprecated]

‘void* __builtin_memcpy(void*, const void*, long unsigned int)’ writing between 2 and 9223372036854775803 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]