I try to install fastBPE with "pip3 install fastBPE", errors occurred. Here is the logs:

Collecting fastBPE
Using cached fastBPE-0.1.0.tar.gz (35 kB)
Preparing metadata (setup.py) ... done
Building wheels for collected packages: fastBPE
Building wheel for fastBPE (setup.py) ... error
error: subprocess-exited-with-error

×ばつ python setup.py bdist_wheel did not run successfully.
│ exit code: 1
╰─> [19 lines of output]
running bdist_wheel
running build
running build_py
package init file 'fastBPE_init_.py' not found (or not a regular file)
running build_ext
building 'fastBPE' extension
creating build
creating build\temp.win-amd64-3.9
creating build\temp.win-amd64-3.9\Release
creating build\temp.win-amd64-3.9\Release\fastBPE
C:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\leehsiang\AppData\Local\Programs\Python\Python39\include -IC:\Users\leehsiang\AppData\Local\Programs\Python\Python39\include -IC:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\ATLMFC\include -IC:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\include -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\ucrt -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\shared -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\um -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\winrt -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\cppwinrt /EHsc /TpfastBPE/fastBPE.cpp /Fobuild\temp.win-amd64-3.9\Release\fastBPE/fastBPE.obj -std=c++11 -Ofast -pthread
cl: 命令行 warning D9025 :正在重写"/Os"(用"/Ot")
cl: 命令行 warning D9002 :忽略未知选项"-std=c++11"
cl: 命令行 warning D9002 :忽略未知选项"-Of"
cl: 命令行 warning D9002 :忽略未知选项"-Oa"
cl: 命令行 warning D9002 :忽略未知选项"-pthread"
fastBPE.cpp
C:\Users\leehsiang\AppData\Local\Temp\pip-install-kj3mgi5k\fastbpe_a8c8008d8dc444068a0ab7d1b2517139\fastBPE\fastBPE.hpp(15): fatal error C1083: 无法打开包括文件: "sys/mman.h": No such file or directory
error: command 'C:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\bin\HostX86\x64\cl.exe' failed with exit code 2
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for fastBPE
Running setup.py clean for fastBPE
Failed to build fastBPE
WARNING: Ignoring invalid distribution -umpy (c:\users\leehsiang\appdata\local\programs\python\python39\lib\site-packages)
WARNING: Ignoring invalid distribution - (c:\users\leehsiang\appdata\local\programs\python\python39\lib\site-packages)
Installing collected packages: fastBPE
Running setup.py install for fastBPE ... error
error: subprocess-exited-with-error

×ばつ Running setup.py install for fastBPE did not run successfully.
│ exit code: 1
╰─> [19 lines of output]
running install
running build
running build_py
package init file 'fastBPE_init_.py' not found (or not a regular file)
running build_ext
building 'fastBPE' extension
creating build
creating build\temp.win-amd64-3.9
creating build\temp.win-amd64-3.9\Release
creating build\temp.win-amd64-3.9\Release\fastBPE
C:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\bin\HostX86\x64\cl.exe /c /nologo /Ox /W3 /GL /DNDEBUG /MD -IC:\Users\leehsiang\AppData\Local\Programs\Python\Python39\include -IC:\Users\leehsiang\AppData\Local\Programs\Python\Python39\include -IC:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\ATLMFC\include -IC:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\include -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\ucrt -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\shared -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\um -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\winrt -IC:\Program Files (x86)\Windows Kits10円\include10円.0.19041.0\cppwinrt /EHsc /TpfastBPE/fastBPE.cpp /Fobuild\temp.win-amd64-3.9\Release\fastBPE/fastBPE.obj -std=c++11 -Ofast -pthread
cl: 命令行 warning D9025 :正在重写"/Os"(用"/Ot")
cl: 命令行 warning D9002 :忽略未知选项"-std=c++11"
cl: 命令行 warning D9002 :忽略未知选项"-Of"
cl: 命令行 warning D9002 :忽略未知选项"-Oa"
cl: 命令行 warning D9002 :忽略未知选项"-pthread"
fastBPE.cpp
C:\Users\leehsiang\AppData\Local\Temp\pip-install-kj3mgi5k\fastbpe_a8c8008d8dc444068a0ab7d1b2517139\fastBPE\fastBPE.hpp(15): fatal error C1083: 无法打开包括文件: "sys/mman.h": No such file or directory
error: command 'C:\Program Files (x86)\Microsoft Visual Studio2019円\Enterprise\VC\Tools\MSVC14円.29.30037\bin\HostX86\x64\cl.exe' failed with exit code 2
[end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: legacy-install-failure

×ばつ Encountered error while trying to install package.
╰─> fastBPE

Could anyone help me?