Smoke [blead] v5.21.5-77-g51a82aa FAIL(F) MSWin32 Win2000 SP4 (x86/1 cpu) {blead}

Automated smoke report for 5.21.6 patch 51a82aa9fb28c58b85d2a2e89872685010ffa91c v5.21.5-77-g51a82aa
perl-win2k: Intel(R) Core(TM) i7 CPU 920 @ 2.67GHz(~2657 MHz) (x86/1 cpu)
    on        MSWin32 - Win2000 SP4
    using     cl version 14.00.50727.762
    smoketime 2 hours 24 minutes (average 36 minutes 6 seconds)

Summary: FAIL(F)

O = OK  F = Failure(s), extended report at the bottom
X = Failure(s) under TEST but not under harness
? = still running or test results not (yet) available
Build failures during:       - = unknown or N/A
c = Configure, m = make, M = make (after miniperl), t = make test-prep

v5.21.5-77-g51a82aa  Configuration (common) none
----------- ---------------------------------------------------------
F O         
O O         -Duseithreads
| +--------- -DDEBUGGING
+----------- no debugging


Locally applied patches:
    SMOKE51a82aa9fb28c58b85d2a2e89872685010ffa91c

Failures: (common-args) none
[default] 
../cpan/IPC-Cmd/t/01_IPC-Cmd.t..............................FAILED
    93-94
    Non-zero exit status: 2

Compiler messages(MSWin32):
RealPPPort.xs(1864) : warning C4101: 'len' : unreferenced local variable
Base64.xs(394) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
Base64.xs(396) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
-- 
Report by Test::Smoke v1.53 build 1374 running on perl 5.10.0
(Reporter v0.050 / Smoker v0.045)