Error building, loses precision about decrunch HOT 3 OPEN

sembiance@lostcrag ~/tmp/decrunch $ sudo python setup.py install
running install
running bdist_egg
running egg_info
writing decrunch.egg-info/PKG-INFO
writing dependency_links to decrunch.egg-info/dependency_links.txt
writing top-level names to decrunch.egg-info/top_level.txt
reading manifest template 'MANIFEST.in'
writing manifest file 'decrunch.egg-info/SOURCES.txt'
installing library code to build/bdist.linux-x86_64/egg
running install_lib
running build_ext
building 'decrunch' extension
x86_64-pc-linux-gnu-g++ -pthread -fPIC -Icrunch -I/usr/include/python3.6m -c decrunch.cpp -o build/temp.linux-x86_64-3.6/decrunch.o -std=c++11
x86_64-pc-linux-gnu-g++ -pthread -fPIC -Icrunch -I/usr/include/python3.6m -c crn_decomp.cpp -o build/temp.linux-x86_64-3.6/crn_decomp.o -std=c++11
In file included from crn_decomp.cpp:18:
crunch/crn_decomp.h: In function ‘void* crnd::crnd_malloc(size_t, size_t*)’:
crunch/crn_decomp.h:2347:23: error: cast from ‘crnd::uint8*’ {aka ‘unsigned char*’} to ‘crnd::uint32’ {aka ‘unsigned int’} loses precision [-fpermissive]
 2347 |  CRND_ASSERT(((uint32)p_new & (CRND_MIN_ALLOC_ALIGNMENT - 1)) == 0);
      |                       ^~~~~
crunch/crn_decomp.h:468:13: note: in definition of macro ‘CRND_ASSERT’
  468 |  (void)((!!(_exp)) || (crnd::crnd_assert(#_exp, __FILE__, __LINE__), 0))
      |             ^~~~
crunch/crn_decomp.h: In function ‘void* crnd::crnd_realloc(void*, size_t, size_t*, bool)’:
crunch/crn_decomp.h:2369:23: error: cast from ‘void*’ to ‘crnd::uint32’ {aka ‘unsigned int’} loses precision [-fpermissive]
 2369 |  CRND_ASSERT(((uint32)p_new & (CRND_MIN_ALLOC_ALIGNMENT - 1)) == 0);
      |                       ^~~~~
crunch/crn_decomp.h:468:13: note: in definition of macro ‘CRND_ASSERT’
  468 |  (void)((!!(_exp)) || (crnd::crnd_assert(#_exp, __FILE__, __LINE__), 0))
      |             ^~~~
error: command 'x86_64-pc-linux-gnu-g++' failed with exit status 1

sembiance@lostcrag ~/tmp/decrunch $ x86_64-pc-linux-gnu-g++ --version
x86_64-pc-linux-gnu-g++ (Gentoo 9.1.0-r1 p1.1) 9.1.0
sembiance@lostcrag ~/tmp/decrunch $ python --version
Python 3.6.8