Checking if your kit is complete... Looks good Writing Makefile for Bit::Vector::Array Microsoft (R) Program Maintenance Utility Version 7.10.3077 Copyright (C) Microsoft Corporation. All rights reserved. cp lib/Bit/Vector/Array.pm blib\lib\Bit\Vector\Array.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/Bit-Vector-Array....1..18 ok 1 - use Bit::Vector::Array; ok 2 - Store and Fetch using dollar-hash ok 3 - multiplication ok 4 - set bit0 # Looks like you planned 18 tests but ran 1 extra. ok 5 - set bit1 ok 6 - set bit2 ok 7 - set bit3 ok 8 - set bit4 ok 9 - set bit5 ok 10 - set bit6 ok 11 - set bit7 ok 12 - clr bit0 ok 13 - clr bit1 ok 14 - clr bit2 ok 15 - clr bit3 ok 16 - clr bit4 ok 17 - clr bit5 ok 18 - clr bit6 ok 19 - clr bit7 dubious Test returned status 255 (wstat 65280, 0xff00) DIED. FAILED test 19 Failed 1/18 tests, 94.44% okay Failed Test Stat Wstat Total Fail List of Failed ------------------------------------------------------------------------------- t/Bit-Vector-Array.t 255 65280 18 1 19 Failed 1/1 test scripts. -1/18 subtests failed. Files=1, Tests=18, 0 wallclock secs ( 0.00 cusr + 0.00 csys = 0.00 CPU) Failed 1/1 test programs. -1/18 subtests failed. NMAKE : fatal error U1077: 'C:\cpanrun\build\5-10-0\bin\perl.exe' : return code '0xff' Stop.