installing mingw-w64-x86_64-fontconfig...
1654 [main] cat (2880) C:\Program Files\Git\usr\bin\cat.exe: *** fatal error - cygheap base mismatch detected - 0x18031F410/0x180318410.
This problem is probably due to using incompatible versions of the cygwin DLL.
Search for cygwin1.dll using the Windows Start->Find/Search facility
and delete all but the most recent version. The most recent version *should*
reside in x:\cygwin\bin, where 'x' is the drive on which you have
installed the cygwin distribution. Rebooting is also suggested if you
are unable to find another cygwin DLL.
updating font cache... done.