Retry sending response in ans.py in qmin test

An rare intermittent qmin test failure was caused by ans.py
not sending the answer over IPv6, it should be fixed by resending
the response in case of failure.
73 jobs for !2944 with wpk/fix-qmin-test in 22 minutes and 54 seconds (queued for 6 seconds)
latest detached
Status Job ID Name Coverage
  Precheck
passed #595773
amd64 linux
🐞:sid:amd64

00:03:42

passed #595771
amd64 linux
autoreconf:sid:amd64

00:00:35

passed #595772
amd64 linux
misc:sid:amd64

00:00:18

 
  Build
passed #595788
amd64 linux
asan:sid:amd64

00:01:36

passed #595795
amd64 freebsd
clang:freebsd11.3:amd64

00:01:12

passed #595796
amd64 freebsd
clang:freebsd12.0:amd64

00:01:03

passed #595797
amd64 openbsd
clang:openbsd6.5:amd64

00:04:59

passed #595792
amd64 linux
clang:stretch:amd64

00:01:35

passed #595793
i386 linux
clang:stretch:i386

00:01:30

passed #595774
amd64 linux
gcc:alpine3.11:amd64

00:02:20

passed #595787
amd64 linux
gcc:bionic:amd64

00:00:51

passed #595780
amd64 linux
gcc:buster:amd64

00:01:27

passed #595775
amd64 linux
gcc:centos6:amd64

00:02:08

passed #595776
amd64 linux
gcc:centos7:amd64

00:02:04

passed #595777
amd64 linux
gcc:centos8:amd64

00:02:08

passed #595785
amd64 linux
gcc:fedora31:amd64

00:02:25

passed #595778
amd64 linux
gcc:jessie:amd64

00:02:45

passed #595781
amd64 linux
gcc:sid:amd64

00:02:35

passed #595783
i386 linux
gcc:sid:i386

00:00:53

passed #595779
amd64 linux
gcc:stretch:amd64

00:01:34

passed #595784
amd64 linux
gcc:tumbleweed:amd64

00:02:22

passed #595786
amd64 linux
gcc:xenial:amd64

00:01:22

passed #595799
amd64 windows
msvc:windows:amd64

00:01:56

passed #595791
amd64 linux
mutexatomics:sid:amd64

00:00:59

passed #595798
amd64 linux
nolibtool:sid:amd64

00:02:07

passed #595782
amd64 linux
oot:sid:amd64

00:01:28

passed #595794
amd64 linux
pkcs11:sid:amd64

00:01:34

passed #595790
amd64 linux
rwlock:sid:amd64

00:01:20

passed #595789
amd64 linux
tsan:buster:amd64

00:03:00

 
  Unit
passed #595813
amd64 linux
unit:asan:sid:amd64

00:04:28

passed #595818
amd64 freebsd
unit:clang:freebsd11.3:amd64

00:00:38

passed #595819
amd64 freebsd
unit:clang:freebsd12.0:amd64

00:01:09

passed #595816
amd64 linux
unit:clang:stretch:amd64

00:00:53

passed #595800
amd64 linux
unit:gcc:alpine3.11:amd64

00:02:46

passed #595812
amd64 linux
unit:gcc:bionic:amd64

00:00:58

passed #595806
amd64 linux
unit:gcc:buster:amd64

00:01:22

passed #595801
amd64 linux
unit:gcc:centos6:amd64

00:00:55

passed #595802
amd64 linux
unit:gcc:centos7:amd64

00:00:55

passed #595803
amd64 linux
unit:gcc:centos8:amd64

00:00:59

passed #595810
amd64 linux
unit:gcc:fedora31:amd64

00:01:28

passed #595804
amd64 linux
unit:gcc:jessie:amd64

00:00:28

passed #595807
amd64 linux
unit:gcc:sid:amd64

00:01:18

passed #595808
i386 linux
unit:gcc:sid:i386

00:01:56

passed #595805
amd64 linux
unit:gcc:stretch:amd64

00:00:40

passed #595809
amd64 linux
unit:gcc:tumbleweed:amd64

00:01:18

passed #595811
amd64 linux
unit:gcc:xenial:amd64

00:00:59

passed #595820
amd64 linux
unit:nolibtool:sid:amd64

00:01:39

passed #595817
amd64 linux
unit:pkcs11:sid:amd64

00:01:15

passed #595815
amd64 linux
unit:rwlock:sid:amd64

00:01:05

failed #595814
amd64 linux allowed to fail
unit:tsan:buster:amd64

00:04:17

 
  System
passed #595834
amd64 linux
system:asan:sid:amd64

00:13:07

passed #595838
amd64 freebsd
system:clang:freebsd11.3:amd64

00:11:59

passed #595839
amd64 freebsd
system:clang:freebsd12.0:amd64

00:12:01

passed #595821
amd64 linux
system:gcc:alpine3.11:amd64

00:12:21

passed #595833
amd64 linux
system:gcc:bionic:amd64

00:10:37

passed #595827
amd64 linux
system:gcc:buster:amd64

00:11:31

passed #595822
amd64 linux
system:gcc:centos6:amd64

00:10:58

passed #595823
amd64 linux
system:gcc:centos7:amd64

00:11:10

passed #595824
amd64 linux
system:gcc:centos8:amd64

00:12:16

passed #595831
amd64 linux
system:gcc:fedora31:amd64

00:11:35

passed #595825
amd64 linux
system:gcc:jessie:amd64

00:09:53

passed #595828
amd64 linux
system:gcc:sid:amd64

00:10:46

passed #595829
i386 linux
system:gcc:sid:i386

00:11:04

passed #595826
amd64 linux
system:gcc:stretch:amd64

00:11:55

passed #595830
amd64 linux
system:gcc:tumbleweed:amd64

00:10:43

passed #595832
amd64 linux
system:gcc:xenial:amd64

00:09:23

passed #595840
amd64 linux
system:nolibtool:sid:amd64

00:11:50

passed #595837
amd64 linux
system:pkcs11:sid:amd64

00:11:20

passed #595836
amd64 linux
system:rwlock:sid:amd64

00:10:24

failed #595835
amd64 linux allowed to fail
system:tsan:buster:amd64

00:15:50

 
  Docs
passed #595841
amd64 linux
docs:sid:amd64

00:00:58

 
  Postcheck
passed #595843
amd64 linux
cppcheck:gcc:sid:amd64

00:01:43

passed #595842
amd64 linux
scan-build:buster:amd64

00:10:39

 
Name Stage Failure
failed
system:tsan:buster:amd64 System
make: *** [Makefile:486: test] Error 1
Running after script...
$ find bin -name 'tsan.*' -exec python3 util/parse_tsan.py {} \;
Uploading artifacts...
bin/tests/system/*/tsan.*: found 19 matching files
bin/tests/system/*/*/tsan.*: found 269 matching files

tsan/: found 240 matching files

Uploading artifacts to coordinator... ok
id=595835 responseStatus=201 Created token=-_kFk4CQ
ERROR: Job failed: exit code 1
failed
unit:tsan:buster:amd64 Unit
$ find lib -name 'tsan.*' -exec python3 util/parse_tsan.py {} \;
Uploading artifacts...
lib/*/tests/tsan.*: found 1 matching files
tsan/: found 6 matching files

kyua.log: found 1 matching files

kyua.results: found 1 matching files

WARNING: kyua_html/: no matching files
Uploading artifacts to coordinator... ok
id=595814 responseStatus=201 Created token=_Y9Lz9V_
ERROR: Job failed: exit code 1