Checking if your kit is complete...
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Writing Makefile for File::Rdiff
cp Rdiff.pm blib\lib\File\Rdiff.pm
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib D:\cpanrun\build\5-6-1\lib\ExtUtils/xsubpp  -typemap D:\cpanrun\build\5-6-1\lib\ExtUtils\typemap -typemap typemap Rdiff.xs > Rdiff.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv Rdiff.xsc Rdiff.c