GNU bug report logs - #65437
bloomberg-bde 3.98.0 non-determistic test failure

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Message #8 received at 65437 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 65437 <at> debbugs.gnu.org, Greg Hogan <code <at> greghogan.com>
Subject: Re: bug#65437: bloomberg-bde 3.98.0 non-determistic test failure
Date: Tue, 22 Aug 2023 23:54:44 +0200

Hi,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:

> make: *** [Makefile:14690: all.t] Error 2
> error: in phase 'build-tests': uncaught exception:
> %exception #<&invoke-error program: "make" arguments: ("all.t" "-j" "16") exit-status: 2 term-signal: #f stop-signal: #f> 
> phase `build-tests' failed after 705.6 seconds
> command "make" "all.t" "-j" "16" failed with status 2
> builder for `/gnu/store/sy9glkyrda4na297m9v85i53png5pvbh-bloomberg-bde-3.98.0.0.drv' failed with exit code 1
> @ build-failed /gnu/store/sy9glkyrda4na297m9v85i53png5pvbh-bloomberg-bde-3.98.0.0.drv - 1 builder for `/gnu/store
>
> The build was broken on the qt-updates branch [0] but working on master, so
> it appears to be non-deterministic.
>
> [0]  https://ci.guix.gnu.org/build/991957/log/raw

The actual error seems to hide above in the log:

--8<---------------cut here---------------start------------->8---
[ 28%] Linking CXX executable bslma_managedptr_pairproxy.t
/gnu/store/ygab8v4ci9iklaykapq52bfsshpvi8pw-cmake-minimal-3.24.2/bin/cmake -E cmake_link_script CMakeFiles/bslma_managedptr_pairproxy.t.dir/link.txt --verbose=1
/gnu/store/5lqhcv91ijy82p92ac6g5xw48l0lwwz4-gcc-11.3.0/bin/c++ -O2 -g -DNDEBUG CMakeFiles/bslma_managedptr_pairproxy.t.dir/groups/bsl/bslma/bslma_managedptr_pairproxy.t.cpp.o -o bslma_managedptr_pairproxy.t  -Wl,-rpath,/tmp/guix-build-bloomberg-bde-3.98.0.0.drv-0/build libbslma.a libbslmf.a libbsla.a libbslscm.a libbsls.a -lrt libryu.so 
/tmp/guix-build-bloomberg-bde-3.98.0.0.drv-0/source/groups/bsl/bslma/bslma_managedptr.t.cpp: In function ?int main(int, char**)?:
/tmp/guix-build-bloomberg-bde-3.98.0.0.drv-0/source/groups/bsl/bslma/bslma_managedptr.t.cpp:11176:22: error: ?move? is not a member of ?std?
11176 |             o = std::move(o2);
      |                      ^~~~
/tmp/guix-build-bloomberg-bde-3.98.0.0.drv-0/source/groups/bsl/bslma/bslma_managedptr.t.cpp:26:1: note: ?std::move? is defined in header ?<utility>?; did you forget to ?#include <utility>??
   25 | #include <stdlib.h>     // 'atoi'
  +++ |+#include <utility>
   26 | #include <string.h>
make[3]: Leaving directory '/tmp/guix-build-bloomberg-bde-3.98.0.0.drv-0/build'
--8<---------------cut here---------------end--------------->8---

I’m guessing that those .t.cpp files are generated and then built, and
that there’s a race condition when building in parallel.

Greg, does that ring a bell?  Should we perform the ‘build-tests’ phase
sequentially?

Ludo’.

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