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Writing Makefile for Encoding::BER

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

cp lib/Encoding/BER.pm blib\lib\Encoding\BER.pm
cp lib/Encoding/BER/CER.pm blib\lib\Encoding\BER\CER.pm
cp lib/Encoding/BER/Dumper.pm blib\lib\Encoding\BER\Dumper.pm
cp lib/Encoding/BER/DER.pm blib\lib\Encoding\BER\DER.pm
cp lib/Encoding/BER/SNMP.pm blib\lib\Encoding\BER\SNMP.pm

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

	D:\cpanrun\build\5-6-1\bin\perl.exe -Mblib -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -e "use Test::Harness qw(&runtests $verbose); $verbose=1; runtests @ARGV;" t\t1.t t\t2.t t\t3.t
Using D:/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Encoding-BER/blib
t\t1................Can't locate object method "is_neg" via package "Math::BigInt" (perhaps you forgot to load "Math::BigInt"?) at lib/Encoding/BER.pm line 463.
1..69
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
ok 10
ok 11
ok 12
ok 13
ok 14
ok 15
ok 16
dubious
	Test returned status 255 (wstat 65280, 0xff00)
DIED. FAILED tests 17-69
	Failed 53/69 tests, 23.19% okay
t\t2................1..23
ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
ok 7
ok 8
ok 9
ok 10
ok 11
ok 12
ok 13
ok 14
ok 15
ok 16
ok 17
ok 18
ok 19
ok 20
ok 21
ok 22
ok 23
ok
t\t3................1..6
not ok 1
ok 2
ok 3
ok 4
ok 5
ok 6
FAILED test 1
	Failed 1/6 tests, 83.33% okay
Failed Test Status Wstat Total Fail  Failed  List of Failed
--------------------------------------------------------------------------------
t\t1.t     	 255 65280    69   53  76.81%  17-69
t\t3.t     	               6    1  16.67%  1
Failed 2/3 test scripts, 33.33% okay. 54/98 subtests failed, 44.90% okay.
NMAKE : fatal error U1077: 'D:\cpanrun\build\5-6-1\bin\perl.exe' : return code '0xff'
Stop.