Checking if your kit is complete...
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Writing Makefile for underscore

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::FastCalc at C:/cpanrun/build/5-10-0/site/lib/Win32API/File.pm line 20
cp lib/underscore.pm blib\lib\underscore.pm

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  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-load.....1..1
ok 1 - use underscore;
# Testing underscore 0.01, Perl 5.010000, C:\cpanrun\build\5-10-0\bin\perl.exe
ok
t/01-basic....1..7
ok 1 - Assignment:$_ is forbidden at t/01-basic.t line 13
# 
ok 2 - Chop:$_ is forbidden at t/01-basic.t line 16
# 
ok 3 - Filetest:$_ is forbidden at t/01-basic.t line 17
# 
ok 4 - Matching:$_ is forbidden at t/01-basic.t line 15
# 
ok 5 - Reading:$_ is forbidden at t/01-basic.t line 14
# 
ok 6 - While:$_ is forbidden at t/01-basic.t line 18
# 
ok 7 - For
ok
t/pod.........1..1
ok 1 - blib\lib\underscore.pm
ok
All tests successful.
Files=3, Tests=9,  0 wallclock secs ( 0.00 cusr +  0.00 csys =  0.00 CPU)

Microsoft (R) Program Maintenance Utility Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.

Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::FastCalc at C:/cpanrun/build/5-10-0/site/lib/Win32API/File.pm line 20
Installing C:\cpanrun\build\5-10-0\html\site\lib\underscore.html
Installing C:\cpanrun\build\5-10-0\site\lib\underscore.pm
Appending installation info to C:\cpanrun\build\5-10-0\lib/perllocal.pod