Checking if your kit is complete...
Looks good
Typemap /usr/share/perl/5.8/ExtUtils/typemap not found.
Writing Makefile for Unicode::CheckUTF8

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

cp CheckUTF8.pm blib\lib\Unicode\CheckUTF8.pm
	C:\cpanrun\build\5-10-0\bin\perl.exe C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp  -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap  CheckUTF8.xs > CheckUTF8.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv CheckUTF8.xsc CheckUTF8.c
	cl -c    -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -O1    -DVERSION=\"1.01\"  -DXS_VERSION=\"1.01\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   CheckUTF8.c
CheckUTF8.c
Running Mkbootstrap for Unicode::CheckUTF8 ()
	C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e chmod 644 CheckUTF8.bs
	C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Mksymlists  -e "Mksymlists('NAME'=>\"Unicode::CheckUTF8\", 'DLBASE' => 'CheckUTF8', 'DL_FUNCS' => {  }, 'FUNCLIST' => [], 'IMPORTS' => {  }, 'DL_VARS' => []);"
	link -out:blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.dll -dll -nologo -nodefaultlib -debug -opt:ref,icf  -libpath:"C:\cpanrun\build\5-10-0\lib\CORE"  -machine:x86 CheckUTF8.obj   C:\cpanrun\build\5-10-0\lib\CORE\perl510.lib oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib  comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib  netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib  version.lib odbc32.lib odbccp32.lib msvcrt.lib -def:CheckUTF8.def
   Creating library blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.lib and object blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.exp
	C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e chmod 755 blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.dll
	C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e cp CheckUTF8.bs blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.bs
	C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e chmod 644 blib\arch\auto\Unicode\CheckUTF8\CheckUTF8.bs

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

	C:\cpanrun\build\5-10-0\bin\perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(1, 'blib\lib', 'blib\arch')" t/*.t
t/00-use.........1..1
ok 1 - use Unicode::CheckUTF8;
ok
t/01-all.........ok 1
ok 2
ok 3
ok 4
ok 5
ok 6 - file: BAD-chr-0.xml, func: with-len
ok 7 - file: BAD-chr-1.xml, func: with-len
ok 8 - file: BAD-chr-11.xml, func: with-len
ok 9 - file: BAD-chr-12.xml, func: with-len
ok 10 - file: BAD-chr-14.xml, func: with-len
ok 11 - file: BAD-chr-15.xml, func: with-len
ok 12 - file: BAD-chr-16.xml, func: with-len
ok 13 - file: BAD-chr-17.xml, func: with-len
ok 14 - file: BAD-chr-18.xml, func: with-len
ok 15 - file: BAD-chr-19.xml, func: with-len
ok 16 - file: BAD-chr-2.xml, func: with-len
ok 17 - file: BAD-chr-20.xml, func: with-len
ok 18 - file: BAD-chr-21.xml, func: with-len
ok 19 - file: BAD-chr-22.xml, func: with-len
ok 20 - file: BAD-chr-23.xml, func: with-len
ok 21 - file: BAD-chr-24.xml, func: with-len
ok 22 - file: BAD-chr-25.xml, func: with-len
ok 23 - file: BAD-chr-26.xml, func: with-len
ok 24 - file: BAD-chr-27.xml, func: with-len
ok 25 - file: BAD-chr-28.xml, func: with-len
ok 26 - file: BAD-chr-29.xml, func: with-len
ok 27 - file: BAD-chr-3.xml, func: with-len
ok 28 - file: BAD-chr-30.xml, func: with-len
ok 29 - file: BAD-chr-31.xml, func: with-len
ok 30 - file: BAD-chr-4.xml, func: with-len
ok 31 - file: BAD-chr-5.xml, func: with-len
ok 32 - file: BAD-chr-6.xml, func: with-len
ok 33 - file: BAD-chr-7.xml, func: with-len
ok 34 - file: BAD-chr-8.xml, func: with-len
ok 35 - file: BAD-lowascii.xml, func: with-len
ok 36 - file: GOOD-ascii.txt, func: with-len
ok 37 - file: GOOD-chr-10.xml, func: with-len
ok 38 - file: GOOD-chr-13.xml, func: with-len
ok 39 - file: GOOD-chr-32.xml, func: with-len
ok 40 - file: GOOD-chr-9.xml, func: with-len
ok 41 - file: GOOD-quickbrown.xml, func: with-len
ok 42 - file: GOOD-tex.xml, func: with-len
ok 43 - file: BAD-chr-0.xml, func: without-len
ok 44 - file: BAD-chr-1.xml, func: without-len
ok 45 - file: BAD-chr-11.xml, func: without-len
ok 46 - file: BAD-chr-12.xml, func: without-len
ok 47 - file: BAD-chr-14.xml, func: without-len
ok 48 - file: BAD-chr-15.xml, func: without-len
ok 49 - file: BAD-chr-16.xml, func: without-len
ok 50 - file: BAD-chr-17.xml, func: without-len
ok 51 - file: BAD-chr-18.xml, func: without-len
ok 52 - file: BAD-chr-19.xml, func: without-len
ok 53 - file: BAD-chr-2.xml, func: without-len
ok 54 - file: BAD-chr-20.xml, func: without-len
ok 55 - file: BAD-chr-21.xml, func: without-len
ok 56 - file: BAD-chr-22.xml, func: without-len
ok 57 - file: BAD-chr-23.xml, func: without-len
ok 58 - file: BAD-chr-24.xml, func: without-len
ok 59 - file: BAD-chr-25.xml, func: without-len
ok 60 - file: BAD-chr-26.xml, func: without-len
ok 61 - file: BAD-chr-27.xml, func: without-len
ok 62 - file: BAD-chr-28.xml, func: without-len
ok 63 - file: BAD-chr-29.xml, func: without-len
ok 64 - file: BAD-chr-3.xml, func: without-len
ok 65 - file: BAD-chr-30.xml, func: without-len
ok 66 - file: BAD-chr-31.xml, func: without-len
ok 67 - file: BAD-chr-4.xml, func: without-len
ok 68 - file: BAD-chr-5.xml, func: without-len
ok 69 - file: BAD-chr-6.xml, func: without-len
ok 70 - file: BAD-chr-7.xml, func: without-len
ok 71 - file: BAD-chr-8.xml, func: without-len
ok 72 - file: BAD-lowascii.xml, func: without-len
ok 73 - file: GOOD-ascii.txt, func: without-len
ok 74 - file: GOOD-chr-10.xml, func: without-len
ok 75 - file: GOOD-chr-13.xml, func: without-len
ok 76 - file: GOOD-chr-32.xml, func: without-len
ok 77 - file: GOOD-chr-9.xml, func: without-len
ok 78 - file: GOOD-quickbrown.xml, func: without-len
ok 79 - file: GOOD-tex.xml, func: without-len
1..79
ok
t/02-lowascii....ok 1 - char: 0
ok 2 - char: 1
ok 3 - char: 2
ok 4 - char: 3
ok 5 - char: 4
ok 6 - char: 5
ok 7 - char: 6
ok 8 - char: 7
ok 9 - char: 8
ok 10 - char: 9
ok 11 - char: 10
ok 12 - char: 11
ok 13 - char: 12
ok 14 - char: 13
ok 15 - char: 14
ok 16 - char: 15
ok 17 - char: 16
ok 18 - char: 17
ok 19 - char: 18
ok 20 - char: 19
ok 21 - char: 20
ok 22 - char: 21
ok 23 - char: 22
ok 24 - char: 23
ok 25 - char: 24
ok 26 - char: 25
ok 27 - char: 26
ok 28 - char: 27
ok 29 - char: 28
ok 30 - char: 29
ok 31 - char: 30
ok 32 - char: 31
ok 33 - char: 32
ok 34 - char: 33
ok 35 - char: 34
ok 36 - char: 35
ok 37 - char: 36
ok 38 - char: 37
ok 39 - char: 38
ok 40 - char: 39
ok 41 - char: 40
ok 42 - char: 41
ok 43 - char: 42
ok 44 - char: 43
ok 45 - char: 44
ok 46 - char: 45
ok 47 - char: 46
ok 48 - char: 47
ok 49 - char: 48
ok 50 - char: 49
ok 51 - char: 50
ok 52 - char: 51
ok 53 - char: 52
ok 54 - char: 53
ok 55 - char: 54
ok 56 - char: 55
ok 57 - char: 56
ok 58 - char: 57
ok 59 - char: 58
ok 60 - char: 59
ok 61 - char: 60
ok 62 - char: 61
ok 63 - char: 62
ok 64 - char: 63
ok 65 - char: 64
ok 66 - char: 65
ok 67 - char: 66
ok 68 - char: 67
ok 69 - char: 68
ok 70 - char: 69
ok 71 - char: 70
ok 72 - char: 71
ok 73 - char: 72
ok 74 - char: 73
ok 75 - char: 74
ok 76 - char: 75
ok 77 - char: 76
ok 78 - char: 77
ok 79 - char: 78
ok 80 - char: 79
ok 81 - char: 80
ok 82 - char: 81
ok 83 - char: 82
ok 84 - char: 83
ok 85 - char: 84
ok 86 - char: 85
ok 87 - char: 86
ok 88 - char: 87
ok 89 - char: 88
ok 90 - char: 89
ok 91 - char: 90
ok 92 - char: 91
ok 93 - char: 92
ok 94 - char: 93
ok 95 - char: 94
ok 96 - char: 95
ok 97 - char: 96
ok 98 - char: 97
ok 99 - char: 98
ok 100 - char: 99
ok 101 - char: 100
ok 102 - char: 101
ok 103 - char: 102
ok 104 - char: 103
ok 105 - char: 104
ok 106 - char: 105
ok 107 - char: 106
ok 108 - char: 107
ok 109 - char: 108
ok 110 - char: 109
ok 111 - char: 110
ok 112 - char: 111
ok 113 - char: 112
ok 114 - char: 113
ok 115 - char: 114
ok 116 - char: 115
ok 117 - char: 116
ok 118 - char: 117
ok 119 - char: 118
ok 120 - char: 119
ok 121 - char: 120
ok 122 - char: 121
ok 123 - char: 122
ok 124 - char: 123
ok 125 - char: 124
ok 126 - char: 125
ok 127 - char: 126
ok 128 - char: 127
1..128
ok
All tests successful.
Files=3, Tests=208,  1 wallclock secs ( 0.00 cusr +  0.00 csys =  0.00 CPU)

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

Files found in blib\arch: installing files in blib\lib into architecture dependent library tree
Installing C:\cpanrun\build\5-10-0\site\lib\auto\Unicode\CheckUTF8\CheckUTF8.bs
Installing C:\cpanrun\build\5-10-0\site\lib\auto\Unicode\CheckUTF8\CheckUTF8.dll
Installing C:\cpanrun\build\5-10-0\site\lib\auto\Unicode\CheckUTF8\CheckUTF8.exp
Installing C:\cpanrun\build\5-10-0\site\lib\auto\Unicode\CheckUTF8\CheckUTF8.lib
Installing C:\cpanrun\build\5-10-0\site\lib\auto\Unicode\CheckUTF8\CheckUTF8.pdb
Installing C:\cpanrun\build\5-10-0\html\site\lib\Unicode\CheckUTF8.html
Installing C:\cpanrun\build\5-10-0\site\lib\Unicode\CheckUTF8.pm
Appending installation info to C:\cpanrun\build\5-10-0\lib/perllocal.pod