Smoke [5.10.1] maint-5.10-1589-gf10445d FAIL(F) MSWin32 WinXP/.Net SP3 (x86/2 cpu)

Automated smoke report for 5.10.1 patch f10445d39ed0126968ef62f93a28ffb4cf213098 maint-5.10-1589-gf10445d
maldoror.bath.planit.group: Intel(R) Core(TM)2 CPU 6700 @ 2.66GHz(~2660 MHz) (x86/2 cpu)
    on        MSWin32 - WinXP/.Net SP3
    using     cl version 14.00.50727.762
    smoketime 4 hours 38 minutes (average 27 minutes 49 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

maint-5.10-1589-gf10445d  Configuration (common) -DCCTYPE=MSVC80 -DINST_TOP=$(INST_DRV)\Smoke\doesntexist
----------- ---------------------------------------------------------
O O         -Duselargefiles
O O         -Duselargefiles -Dusemymalloc
O O         -Duselargefiles -Duseithreads -Uuseimpsys
O O         -Duselargefiles -Duseithreads -Uuseimpsys -Dusemymalloc
F O         -Duselargefiles -Duseithreads
| +--------- -DDEBUGGING
+----------- no debugging


Locally applied patches:
    SMOKEf10445d39ed0126968ef62f93a28ffb4cf213098

Failures: (common-args) -DCCTYPE=MSVC80 -DINST_TOP=$(INST_DRV)\Smoke\doesntexist
[default] -Duselargefiles -Duseithreads
../ext/IO/t/io_sock.t.......................................FAILED
    25
    Bad plan.  You planned 26 tests but ran 25.

Compiler messages(MSWin32):
Cwd.xs(77) : warning C4101: 'symlink' : unreferenced local variable
ListUtil.xs(197) : warning C4101: 'magic' : unreferenced local variable
Peek.c(391) : warning C4090: 'function' : different 'const' qualifiers

-- 
Report by Test::Smoke v1.39 build 1235 running on perl 5.11.0
(Reporter v0.035 / Smoker v0.044)

• Smoke [5.10.1] maint-5.10-1589-gf10445d FAIL(F) MSWin32 WinXP/.Net SP3 (x86/2 cpu) by Steve Hay