Smoke 31761 FAIL(F) MSWin32 WinXP/.Net SP2 (x86/2 cpu)

Automated smoke report for 5.9.5 patch 31761
maldoror.bath.planit.group: Intel(R) Core(TM)2 CPU 6700 
2.66GHz(~2660 MHz) (x86/2 cpu)
    on        MSWin32 - WinXP/.Net SP2
    using     cl version 12.00.8804
    smoketime 4 hours 28 minutes (average 13 minutes 27
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

   31761     Configuration (common)
-DINST_TOP=$(INST_DRV)Smokedoesntexist
-----------
---------------------------------------------------------
O O         
O O         -Dusemymalloc
O O         -Duseithreads -Uuseimpsys
O O         -Duseithreads -Uuseimpsys -Dusemymalloc
O O         -Duseithreads
F F         -Accflags='-DPERL_OLD_COPY_ON_WRITE'
F F         -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Dusemymalloc
F F         -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads -Uuseimpsys
F F         -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads -Uuseimpsys -Dusemymalloc
F F         -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads
| +--------- -DDEBUGGING
+----------- no debugging

Locally applied patches:
    DEVEL
    SMOKE31761

Failures: (common-args)
-DINST_TOP=$(INST_DRV)Smokedoesntexist
[default] -Accflags='-DPERL_OLD_COPY_ON_WRITE'
[default] -DDEBUGGING -Accflags='-DPERL_OLD_COPY_ON_WRITE'
[default] -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Dusemymalloc
[default] -DDEBUGGING -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Dusemymalloc
[default] -Accflags='-DPERL_OLD_COPY_ON_WRITE' -Duseithreads
-Uuseimpsys
[default] -DDEBUGGING -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads -Uuseimpsys
[default] -Accflags='-DPERL_OLD_COPY_ON_WRITE' -Duseithreads
-Uuseimpsys -Dusemymalloc
[default] -DDEBUGGING -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads -Uuseimpsys -Dusemymalloc
[default] -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads
[default] -DDEBUGGING -Accflags='-DPERL_OLD_COPY_ON_WRITE'
-Duseithreads
    ../ext/Compress/Raw/Zlib/t/07bufsize.t..FAILED 42-288

Compiler messages(MSWin32):
RealPPPort.xs(995) : warning C4146: unary minus operator
applied to unsigned type, result still unsigned

-- 
Report by Test::Smoke v1.19_86 build 1044 running on perl
5.9.5
(Reporter v0.027 / Smoker v0.032)