Diff of the two buildlogs:

--
--- b1/build.log	2021-08-25 02:13:34.171652743 +0000
+++ b2/build.log	2021-08-25 02:18:14.633200741 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Aug 24 14:08:56 -12 2021
-I: pbuilder-time-stamp: 1629857336
+I: Current time: Tue Sep 27 22:36:46 +14 2022
+I: pbuilder-time-stamp: 1664267806
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bullseye-reproducible-base.tgz]
 I: copying local configuration
@@ -16,8 +16,8 @@
 I: copying [./golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.debian.tar.xz]
 I: Extracting source
 gpgv: unknown type of key resource 'trustedkeys.kbx'
-gpgv: keyblock resource '/tmp/dpkg-verify-sig.OVoHVCSf/trustedkeys.kbx': General error
-gpgv: Signature made Fri Feb  5 20:48:35 2021 -12
+gpgv: keyblock resource '/tmp/dpkg-verify-sig.Ov3vl__T/trustedkeys.kbx': General error
+gpgv: Signature made Sat Feb  6 22:48:35 2021 +14
 gpgv:                using RSA key 098735E890D75A09B364168E1A0EB82F071F5EFE
 gpgv:                issuer "alois@micard.lu"
 gpgv: Can't check signature: No public key
@@ -29,135 +29,169 @@
 dpkg-source: info: applying dont-validate-imports.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/19314/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink11-arm64.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+Removing 'diversion of /bin/sh to /bin/sh.distrib by dash'
+Adding 'diversion of /bin/sh to /bin/sh.distrib by bash'
+Removing 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by dash'
+Adding 'diversion of /usr/share/man/man1/sh.1.gz to /usr/share/man/man1/sh.distrib.1.gz by bash'
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:hostcomplete:interactive_comments:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="1" [2]="4" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.1.4(1)-release'
+  BUILDDIR=/build
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all,-fixfilepath parallel=8'
-  DISTRIBUTION=''
-  HOME='/var/lib/jenkins'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/var/lib/jenkins
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='19314'
-  PS1='# '
-  PS2='> '
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=7492
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/tmp.2gA8osmnz0/pbuilderrc_18Oa --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bullseye-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/tmp.2gA8osmnz0/b1 --logfile b1/build.log golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.dsc'
-  SUDO_GID='117'
-  SUDO_UID='110'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  USERNAME='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.16:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/tmp.2gA8osmnz0/pbuilderrc_grAq --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bullseye-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/tmp.2gA8osmnz0/b2 --logfile b2/build.log golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.dsc'
+  SUDO_GID=117
+  SUDO_UID=110
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  USERNAME=root
+  _='I: set'
+  http_proxy=http://192.168.101.16:3128
 I: uname -a
-  Linux codethink14-arm64 4.15.0-154-generic #161-Ubuntu SMP Fri Jul 30 13:01:15 UTC 2021 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-154-generic #161-Ubuntu SMP Fri Jul 30 13:01:15 UTC 2021 aarch64 GNU/Linux
 I: ls -l /bin
   total 5252
-  -rwxr-xr-x 1 root root 1282512 Aug  4 08:25 bash
-  -rwxr-xr-x 3 root root   34808 Jul 20  2020 bunzip2
-  -rwxr-xr-x 3 root root   34808 Jul 20  2020 bzcat
-  lrwxrwxrwx 1 root root       6 Jul 20  2020 bzcmp -> bzdiff
-  -rwxr-xr-x 1 root root    2225 Jul 20  2020 bzdiff
-  lrwxrwxrwx 1 root root       6 Jul 20  2020 bzegrep -> bzgrep
-  -rwxr-xr-x 1 root root    4877 Sep  4  2019 bzexe
-  lrwxrwxrwx 1 root root       6 Jul 20  2020 bzfgrep -> bzgrep
-  -rwxr-xr-x 1 root root    3775 Jul 20  2020 bzgrep
-  -rwxr-xr-x 3 root root   34808 Jul 20  2020 bzip2
-  -rwxr-xr-x 1 root root   14264 Jul 20  2020 bzip2recover
-  lrwxrwxrwx 1 root root       6 Jul 20  2020 bzless -> bzmore
-  -rwxr-xr-x 1 root root    1297 Jul 20  2020 bzmore
-  -rwxr-xr-x 1 root root   39832 Sep 22  2020 cat
-  -rwxr-xr-x 1 root root   64512 Sep 22  2020 chgrp
-  -rwxr-xr-x 1 root root   60368 Sep 22  2020 chmod
-  -rwxr-xr-x 1 root root   64528 Sep 22  2020 chown
-  -rwxr-xr-x 1 root root  138896 Sep 22  2020 cp
-  -rwxr-xr-x 1 root root  129544 Dec 10  2020 dash
-  -rwxr-xr-x 1 root root  101384 Sep 22  2020 date
-  -rwxr-xr-x 1 root root   80984 Sep 22  2020 dd
-  -rwxr-xr-x 1 root root   89824 Sep 22  2020 df
-  -rwxr-xr-x 1 root root  143088 Sep 22  2020 dir
-  -rwxr-xr-x 1 root root   76152 Jul 28 07:09 dmesg
-  lrwxrwxrwx 1 root root       8 Nov  6  2019 dnsdomainname -> hostname
-  lrwxrwxrwx 1 root root       8 Nov  6  2019 domainname -> hostname
-  -rwxr-xr-x 1 root root   35632 Sep 22  2020 echo
-  -rwxr-xr-x 1 root root      28 Nov  9  2020 egrep
-  -rwxr-xr-x 1 root root   31512 Sep 22  2020 false
-  -rwxr-xr-x 1 root root      28 Nov  9  2020 fgrep
-  -rwxr-xr-x 1 root root   64856 Jul 28 07:09 findmnt
-  -rwsr-xr-x 1 root root   34824 Feb 26 04:12 fusermount
-  -rwxr-xr-x 1 root root  178400 Nov  9  2020 grep
-  -rwxr-xr-x 2 root root    2346 Mar  2 11:30 gunzip
-  -rwxr-xr-x 1 root root    6376 Mar  2 11:30 gzexe
-  -rwxr-xr-x 1 root root   93744 Mar  2 11:30 gzip
-  -rwxr-xr-x 1 root root   18440 Nov  6  2019 hostname
-  -rwxr-xr-x 1 root root   68720 Sep 22  2020 ln
-  -rwxr-xr-x 1 root root   52720 Feb  7  2020 login
-  -rwxr-xr-x 1 root root  143088 Sep 22  2020 ls
-  -rwxr-xr-x 1 root root  161960 Jul 28 07:09 lsblk
-  -rwxr-xr-x 1 root root   85200 Sep 22  2020 mkdir
-  -rwxr-xr-x 1 root root   68744 Sep 22  2020 mknod
-  -rwxr-xr-x 1 root root   43976 Sep 22  2020 mktemp
-  -rwxr-xr-x 1 root root   51368 Jul 28 07:09 more
-  -rwsr-xr-x 1 root root   51360 Jul 28 07:09 mount
-  -rwxr-xr-x 1 root root   14496 Jul 28 07:09 mountpoint
-  -rwxr-xr-x 1 root root  134808 Sep 22  2020 mv
-  lrwxrwxrwx 1 root root       8 Nov  6  2019 nisdomainname -> hostname
-  lrwxrwxrwx 1 root root      14 Apr 18 03:38 pidof -> /sbin/killall5
-  -rwxr-xr-x 1 root root   35720 Sep 22  2020 pwd
-  lrwxrwxrwx 1 root root       4 Aug  4 08:25 rbash -> bash
-  -rwxr-xr-x 1 root root   43872 Sep 22  2020 readlink
-  -rwxr-xr-x 1 root root   68592 Sep 22  2020 rm
-  -rwxr-xr-x 1 root root   43880 Sep 22  2020 rmdir
-  -rwxr-xr-x 1 root root   19208 Sep 27  2020 run-parts
-  -rwxr-xr-x 1 root root  114016 Dec 22  2018 sed
-  lrwxrwxrwx 1 root root       4 Aug 20 21:24 sh -> dash
-  -rwxr-xr-x 1 root root   35656 Sep 22  2020 sleep
-  -rwxr-xr-x 1 root root   72640 Sep 22  2020 stty
-  -rwsr-xr-x 1 root root   67776 Jul 28 07:09 su
-  -rwxr-xr-x 1 root root   35672 Sep 22  2020 sync
-  -rwxr-xr-x 1 root root  535768 Feb 16  2021 tar
-  -rwxr-xr-x 1 root root   10568 Sep 27  2020 tempfile
-  -rwxr-xr-x 1 root root   89120 Sep 22  2020 touch
-  -rwxr-xr-x 1 root root   31512 Sep 22  2020 true
-  -rwxr-xr-x 1 root root   14264 Feb 26 04:12 ulockmgr_server
-  -rwsr-xr-x 1 root root   30880 Jul 28 07:09 umount
-  -rwxr-xr-x 1 root root   35640 Sep 22  2020 uname
-  -rwxr-xr-x 2 root root    2346 Mar  2 11:30 uncompress
-  -rwxr-xr-x 1 root root  143088 Sep 22  2020 vdir
-  -rwxr-xr-x 1 root root   59584 Jul 28 07:09 wdctl
-  lrwxrwxrwx 1 root root       8 Nov  6  2019 ypdomainname -> hostname
-  -rwxr-xr-x 1 root root    1984 Mar  2 11:30 zcat
-  -rwxr-xr-x 1 root root    1678 Mar  2 11:30 zcmp
-  -rwxr-xr-x 1 root root    5880 Mar  2 11:30 zdiff
-  -rwxr-xr-x 1 root root      29 Mar  2 11:30 zegrep
-  -rwxr-xr-x 1 root root      29 Mar  2 11:30 zfgrep
-  -rwxr-xr-x 1 root root    2081 Mar  2 11:30 zforce
-  -rwxr-xr-x 1 root root    7585 Mar  2 11:30 zgrep
-  -rwxr-xr-x 1 root root    2206 Mar  2 11:30 zless
-  -rwxr-xr-x 1 root root    1842 Mar  2 11:30 zmore
-  -rwxr-xr-x 1 root root    4553 Mar  2 11:30 znew
-I: user script /srv/workspace/pbuilder/19314/tmp/hooks/D02_print_environment finished
+  -rwxr-xr-x 1 root root 1282512 Aug  5  2021 bash
+  -rwxr-xr-x 3 root root   34808 Jul 21  2020 bunzip2
+  -rwxr-xr-x 3 root root   34808 Jul 21  2020 bzcat
+  lrwxrwxrwx 1 root root       6 Jul 21  2020 bzcmp -> bzdiff
+  -rwxr-xr-x 1 root root    2225 Jul 21  2020 bzdiff
+  lrwxrwxrwx 1 root root       6 Jul 21  2020 bzegrep -> bzgrep
+  -rwxr-xr-x 1 root root    4877 Sep  5  2019 bzexe
+  lrwxrwxrwx 1 root root       6 Jul 21  2020 bzfgrep -> bzgrep
+  -rwxr-xr-x 1 root root    3775 Jul 21  2020 bzgrep
+  -rwxr-xr-x 3 root root   34808 Jul 21  2020 bzip2
+  -rwxr-xr-x 1 root root   14264 Jul 21  2020 bzip2recover
+  lrwxrwxrwx 1 root root       6 Jul 21  2020 bzless -> bzmore
+  -rwxr-xr-x 1 root root    1297 Jul 21  2020 bzmore
+  -rwxr-xr-x 1 root root   39832 Sep 23  2020 cat
+  -rwxr-xr-x 1 root root   64512 Sep 23  2020 chgrp
+  -rwxr-xr-x 1 root root   60368 Sep 23  2020 chmod
+  -rwxr-xr-x 1 root root   64528 Sep 23  2020 chown
+  -rwxr-xr-x 1 root root  138896 Sep 23  2020 cp
+  -rwxr-xr-x 1 root root  129544 Dec 11  2020 dash
+  -rwxr-xr-x 1 root root  101384 Sep 23  2020 date
+  -rwxr-xr-x 1 root root   80984 Sep 23  2020 dd
+  -rwxr-xr-x 1 root root   89824 Sep 23  2020 df
+  -rwxr-xr-x 1 root root  143088 Sep 23  2020 dir
+  -rwxr-xr-x 1 root root   76152 Jul 29  2021 dmesg
+  lrwxrwxrwx 1 root root       8 Nov  8  2019 dnsdomainname -> hostname
+  lrwxrwxrwx 1 root root       8 Nov  8  2019 domainname -> hostname
+  -rwxr-xr-x 1 root root   35632 Sep 23  2020 echo
+  -rwxr-xr-x 1 root root      28 Nov 10  2020 egrep
+  -rwxr-xr-x 1 root root   31512 Sep 23  2020 false
+  -rwxr-xr-x 1 root root      28 Nov 10  2020 fgrep
+  -rwxr-xr-x 1 root root   64856 Jul 29  2021 findmnt
+  -rwsr-xr-x 1 root root   34824 Feb 27  2021 fusermount
+  -rwxr-xr-x 1 root root  178400 Nov 10  2020 grep
+  -rwxr-xr-x 2 root root    2346 Mar  3  2021 gunzip
+  -rwxr-xr-x 1 root root    6376 Mar  3  2021 gzexe
+  -rwxr-xr-x 1 root root   93744 Mar  3  2021 gzip
+  -rwxr-xr-x 1 root root   18440 Nov  8  2019 hostname
+  -rwxr-xr-x 1 root root   68720 Sep 23  2020 ln
+  -rwxr-xr-x 1 root root   52720 Feb  8  2020 login
+  -rwxr-xr-x 1 root root  143088 Sep 23  2020 ls
+  -rwxr-xr-x 1 root root  161960 Jul 29  2021 lsblk
+  -rwxr-xr-x 1 root root   85200 Sep 23  2020 mkdir
+  -rwxr-xr-x 1 root root   68744 Sep 23  2020 mknod
+  -rwxr-xr-x 1 root root   43976 Sep 23  2020 mktemp
+  -rwxr-xr-x 1 root root   51368 Jul 29  2021 more
+  -rwsr-xr-x 1 root root   51360 Jul 29  2021 mount
+  -rwxr-xr-x 1 root root   14496 Jul 29  2021 mountpoint
+  -rwxr-xr-x 1 root root  134808 Sep 23  2020 mv
+  lrwxrwxrwx 1 root root       8 Nov  8  2019 nisdomainname -> hostname
+  lrwxrwxrwx 1 root root      14 Apr 19  2021 pidof -> /sbin/killall5
+  -rwxr-xr-x 1 root root   35720 Sep 23  2020 pwd
+  lrwxrwxrwx 1 root root       4 Aug  5  2021 rbash -> bash
+  -rwxr-xr-x 1 root root   43872 Sep 23  2020 readlink
+  -rwxr-xr-x 1 root root   68592 Sep 23  2020 rm
+  -rwxr-xr-x 1 root root   43880 Sep 23  2020 rmdir
+  -rwxr-xr-x 1 root root   19208 Sep 28  2020 run-parts
+  -rwxr-xr-x 1 root root  114016 Dec 23  2018 sed
+  lrwxrwxrwx 1 root root       4 Sep 27 22:36 sh -> bash
+  lrwxrwxrwx 1 root root       4 Sep 24 05:47 sh.distrib -> dash
+  -rwxr-xr-x 1 root root   35656 Sep 23  2020 sleep
+  -rwxr-xr-x 1 root root   72640 Sep 23  2020 stty
+  -rwsr-xr-x 1 root root   67776 Jul 29  2021 su
+  -rwxr-xr-x 1 root root   35672 Sep 23  2020 sync
+  -rwxr-xr-x 1 root root  535768 Feb 17  2021 tar
+  -rwxr-xr-x 1 root root   10568 Sep 28  2020 tempfile
+  -rwxr-xr-x 1 root root   89120 Sep 23  2020 touch
+  -rwxr-xr-x 1 root root   31512 Sep 23  2020 true
+  -rwxr-xr-x 1 root root   14264 Feb 27  2021 ulockmgr_server
+  -rwsr-xr-x 1 root root   30880 Jul 29  2021 umount
+  -rwxr-xr-x 1 root root   35640 Sep 23  2020 uname
+  -rwxr-xr-x 2 root root    2346 Mar  3  2021 uncompress
+  -rwxr-xr-x 1 root root  143088 Sep 23  2020 vdir
+  -rwxr-xr-x 1 root root   59584 Jul 29  2021 wdctl
+  lrwxrwxrwx 1 root root       8 Nov  8  2019 ypdomainname -> hostname
+  -rwxr-xr-x 1 root root    1984 Mar  3  2021 zcat
+  -rwxr-xr-x 1 root root    1678 Mar  3  2021 zcmp
+  -rwxr-xr-x 1 root root    5880 Mar  3  2021 zdiff
+  -rwxr-xr-x 1 root root      29 Mar  3  2021 zegrep
+  -rwxr-xr-x 1 root root      29 Mar  3  2021 zfgrep
+  -rwxr-xr-x 1 root root    2081 Mar  3  2021 zforce
+  -rwxr-xr-x 1 root root    7585 Mar  3  2021 zgrep
+  -rwxr-xr-x 1 root root    2206 Mar  3  2021 zless
+  -rwxr-xr-x 1 root root    1842 Mar  3  2021 zmore
+  -rwxr-xr-x 1 root root    4553 Mar  3  2021 znew
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -237,7 +271,7 @@
 Get: 36 http://deb.debian.org/debian bullseye/main arm64 golang-go arm64 2:1.15~1 [23.9 kB]
 Get: 37 http://deb.debian.org/debian bullseye/main arm64 golang-any arm64 2:1.15~1 [4976 B]
 Get: 38 http://deb.debian.org/debian bullseye/main arm64 golang-github-remyoudompheng-bigfft-dev all 0.0+git20190728.6a916e3-1 [13.7 kB]
-Fetched 74.8 MB in 4s (20.4 MB/s)
+Fetched 74.8 MB in 1s (56.0 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package bsdextrautils.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19646 files and directories currently installed.)
@@ -405,7 +439,8 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/golang-github-cznic-mathutil-0.0~git20201220.c6aa83b/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2_source.changes
+hostname: Temporary failure in name resolution
+I: Running cd /build/golang-github-cznic-mathutil-0.0~git20201220.c6aa83b/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2_source.changes
 dpkg-buildpackage: info: source package golang-github-cznic-mathutil
 dpkg-buildpackage: info: source version 0.0~git20201220.c6aa83b-2
 dpkg-buildpackage: info: source distribution unstable
@@ -425,38 +460,38 @@
    dh_auto_build -O--buildsystem=golang
 	cd obj-aarch64-linux-gnu && go install -trimpath -v -p 8 modernc.org/mathutil modernc.org/mathutil/mersenne
 internal/unsafeheader
-internal/cpu
 runtime/internal/sys
-math/bits
 unicode/utf8
-internal/race
 runtime/internal/atomic
-sync/atomic
+internal/race
 unicode
+sync/atomic
+internal/cpu
+math/bits
 runtime/internal/math
+internal/testlog
 math
 internal/bytealg
-internal/testlog
 runtime
 internal/reflectlite
 sync
 math/rand
 errors
 sort
-internal/oserror
-io
 strconv
+io
+internal/oserror
 syscall
-bytes
 strings
+bytes
 reflect
-internal/syscall/unix
 time
 internal/syscall/execenv
+internal/syscall/unix
 internal/poll
-os
-internal/fmtsort
 encoding/binary
+internal/fmtsort
+os
 fmt
 math/big
 github.com/remyoudompheng/bigfft
@@ -465,51 +500,51 @@
    dh_auto_test -O--buildsystem=golang
 	cd obj-aarch64-linux-gnu && go test -vet=off -v -p 8 modernc.org/mathutil modernc.org/mathutil/mersenne
 === RUN   Test0
---- PASS: Test0 (1.20s)
+--- PASS: Test0 (1.03s)
 === RUN   Test1
---- PASS: Test1 (2.10s)
+--- PASS: Test1 (1.40s)
 === RUN   Test2
---- PASS: Test2 (1.53s)
+--- PASS: Test2 (1.76s)
 === RUN   TestBig0
---- PASS: TestBig0 (0.93s)
+--- PASS: TestBig0 (0.95s)
 === RUN   TestBig1
 --- PASS: TestBig1 (0.92s)
 === RUN   TestBig2
---- PASS: TestBig2 (0.95s)
+--- PASS: TestBig2 (0.94s)
 === RUN   TestPermutations
 --- PASS: TestPermutations (0.00s)
 === RUN   TestIsPrime
     all_test.go:580: 283146
---- PASS: TestIsPrime (0.45s)
+--- PASS: TestIsPrime (0.48s)
 === RUN   TestNextPrime
     all_test.go:654: 283146
---- PASS: TestNextPrime (0.42s)
+--- PASS: TestNextPrime (0.38s)
 === RUN   TestNextPrime2
 --- PASS: TestNextPrime2 (0.00s)
 === RUN   TestNextPrimeUint64
---- PASS: TestNextPrimeUint64 (1.48s)
+--- PASS: TestNextPrimeUint64 (1.41s)
 === RUN   TestISqrt
---- PASS: TestISqrt (4.48s)
+--- PASS: TestISqrt (4.47s)
 === RUN   TestSqrtUint64
 --- PASS: TestSqrtUint64 (5.08s)
 === RUN   TestSqrtBig
---- PASS: TestSqrtBig (1.30s)
+--- PASS: TestSqrtBig (1.31s)
 === RUN   TestFactorInt
---- PASS: TestFactorInt (3.49s)
+--- PASS: TestFactorInt (3.59s)
 === RUN   TestFactorIntB
---- PASS: TestFactorIntB (0.68s)
+--- PASS: TestFactorIntB (0.64s)
 === RUN   TestIsPrimeUint16
 --- PASS: TestIsPrimeUint16 (0.00s)
 === RUN   TestNextPrimeUint16
 --- PASS: TestNextPrimeUint16 (0.00s)
 === RUN   TestPopCount
---- PASS: TestPopCount (1.27s)
+--- PASS: TestPopCount (1.21s)
 === RUN   TestGCD
 --- PASS: TestGCD (0.00s)
 === RUN   TestLog2
---- PASS: TestLog2 (3.14s)
+--- PASS: TestLog2 (2.90s)
 === RUN   TestBitLen
---- PASS: TestBitLen (3.43s)
+--- PASS: TestBitLen (3.30s)
 === RUN   TestUintptrBits
     all_test.go:1577: 64
 --- PASS: TestUintptrBits (0.00s)
@@ -524,29 +559,29 @@
 === RUN   TestModPowBigInt
 --- PASS: TestModPowBigInt (0.00s)
 === RUN   TestAdd128
---- PASS: TestAdd128 (0.67s)
+--- PASS: TestAdd128 (0.66s)
 === RUN   TestMul128
---- PASS: TestMul128 (1.04s)
+--- PASS: TestMul128 (1.08s)
 === RUN   TestIsPrimeUint64
---- PASS: TestIsPrimeUint64 (1.30s)
+--- PASS: TestIsPrimeUint64 (1.22s)
 === RUN   TestProbablyPrimeUint32
---- PASS: TestProbablyPrimeUint32 (15.03s)
+--- PASS: TestProbablyPrimeUint32 (15.05s)
 === RUN   TestProbablyPrimeUint64_32
---- PASS: TestProbablyPrimeUint64_32 (9.32s)
+--- PASS: TestProbablyPrimeUint64_32 (8.58s)
 === RUN   TestProbablyPrimeBigInt_32
---- PASS: TestProbablyPrimeBigInt_32 (9.13s)
+--- PASS: TestProbablyPrimeBigInt_32 (8.64s)
 === RUN   TestProbablyPrimeBigInt
---- PASS: TestProbablyPrimeBigInt (8.99s)
+--- PASS: TestProbablyPrimeBigInt (8.41s)
 === RUN   TestQCmpUint32
---- PASS: TestQCmpUint32 (0.19s)
+--- PASS: TestQCmpUint32 (0.16s)
 === RUN   TestQScaleUint32
---- PASS: TestQScaleUint32 (0.21s)
+--- PASS: TestQScaleUint32 (0.16s)
 === RUN   TestPrimorialProductsUint32
---- PASS: TestPrimorialProductsUint32 (0.37s)
+--- PASS: TestPrimorialProductsUint32 (0.31s)
 === RUN   TestPowerizeUint32BigInt
---- PASS: TestPowerizeUint32BigInt (1.81s)
+--- PASS: TestPowerizeUint32BigInt (1.49s)
 === RUN   TestPowerizeBigInt
---- PASS: TestPowerizeBigInt (1.49s)
+--- PASS: TestPowerizeBigInt (1.35s)
 === RUN   TestEnvelope
 --- PASS: TestEnvelope (0.00s)
 === RUN   TestMaxInt
@@ -699,7 +734,7 @@
 === RUN   TestClampInt64
 --- PASS: TestClampInt64 (0.00s)
 === RUN   TestPopCountBigInt
---- PASS: TestPopCountBigInt (0.26s)
+--- PASS: TestPopCountBigInt (0.20s)
 === RUN   TestToBase
 --- PASS: TestToBase (0.00s)
 === RUN   TestBug
@@ -111957,7 +111992,7 @@
     all_test.go:5329: 111247: (7x+7)(7x+6) = 49x^2+91x+42 -> 7(7x+6)(x+1) = 49x^2+91x+42
     all_test.go:5329: 111248: -(7x+7)(7x+7) = -49x^2-98x-49 -> -49(x+1)(x+1) = -49x^2-98x-49
     all_test.go:5329: 111249: (7x+7)(7x+7) = 49x^2+98x+49 -> 49(x+1)(x+1) = 49x^2+98x+49
---- PASS: TestQuadPolyFactorsBig (19.48s)
+--- PASS: TestQuadPolyFactorsBig (18.28s)
 === RUN   TestQuadPolyDiscriminant
 --- PASS: TestQuadPolyDiscriminant (0.00s)
 === RUN   TestQuadPolyFactors
@@ -223211,10 +223246,10 @@
     all_test.go:5466: 111247: (7x+7)(7x+6) = 49x^2+91x+42 -> 7(7x+6)(x+1) = 49x^2+91x+42
     all_test.go:5466: 111248: -(7x+7)(7x+7) = -49x^2-98x-49 -> -49(x+1)(x+1) = -49x^2-98x-49
     all_test.go:5466: 111249: (7x+7)(7x+7) = 49x^2+98x+49 -> 49(x+1)(x+1) = 49x^2+98x+49
---- PASS: TestQuadPolyFactors (5.87s)
+--- PASS: TestQuadPolyFactors (5.76s)
 === RUN   TestFCPRNG
     all_test.go:5551: [43690 43691 43691]
---- PASS: TestFCPRNG (0.15s)
+--- PASS: TestFCPRNG (0.16s)
 === RUN   TestCheckAddInt64
 --- PASS: TestCheckAddInt64 (0.00s)
 === RUN   TestCheckSubInt64
@@ -223222,27 +223257,27 @@
 === RUN   TestAddOverflowInt8
 --- PASS: TestAddOverflowInt8 (0.00s)
 === RUN   TestAddOverflowInt16
---- PASS: TestAddOverflowInt16 (7.16s)
+--- PASS: TestAddOverflowInt16 (7.07s)
 === RUN   TestAddOverflowInt32
---- PASS: TestAddOverflowInt32 (7.10s)
+--- PASS: TestAddOverflowInt32 (7.04s)
 === RUN   TestAddOverflowInt64
---- PASS: TestAddOverflowInt64 (3.32s)
+--- PASS: TestAddOverflowInt64 (2.71s)
 === RUN   TestSubOverflowInt8
 --- PASS: TestSubOverflowInt8 (0.00s)
 === RUN   TestSubOverflowInt16
---- PASS: TestSubOverflowInt16 (7.13s)
+--- PASS: TestSubOverflowInt16 (7.10s)
 === RUN   TestSubOverflowInt32
---- PASS: TestSubOverflowInt32 (7.09s)
+--- PASS: TestSubOverflowInt32 (7.06s)
 === RUN   TestSubOverflowInt64
---- PASS: TestSubOverflowInt64 (3.23s)
+--- PASS: TestSubOverflowInt64 (3.36s)
 === RUN   TestMulOverflowInt8
 --- PASS: TestMulOverflowInt8 (0.00s)
 === RUN   TestMulOverflowInt16
---- PASS: TestMulOverflowInt16 (7.06s)
+--- PASS: TestMulOverflowInt16 (6.98s)
 === RUN   TestMulOverflowInt32
---- PASS: TestMulOverflowInt32 (6.89s)
+--- PASS: TestMulOverflowInt32 (6.82s)
 === RUN   TestMulOverflowInt64
---- PASS: TestMulOverflowInt64 (3.29s)
+--- PASS: TestMulOverflowInt64 (3.39s)
 === RUN   TestNewFloat
 --- PASS: TestNewFloat (0.00s)
 === RUN   TestFloatDiv2
@@ -223264,29 +223299,29 @@
 === RUN   TestInt128Add
 --- PASS: TestInt128Add (0.00s)
 === RUN   TestInt128Add2
---- PASS: TestInt128Add2 (3.00s)
+--- PASS: TestInt128Add2 (3.37s)
 === RUN   TestInt128BigInt
 --- PASS: TestInt128BigInt (0.00s)
 === RUN   TestInt128BigInt2
---- PASS: TestInt128BigInt2 (3.49s)
+--- PASS: TestInt128BigInt2 (3.47s)
 === RUN   TestInt128Cmp
 --- PASS: TestInt128Cmp (0.00s)
 === RUN   TestInt128Cmp2
---- PASS: TestInt128Cmp2 (4.25s)
+--- PASS: TestInt128Cmp2 (4.28s)
 === RUN   TestInt128Neg
 --- PASS: TestInt128Neg (0.00s)
 === RUN   TestInt128Neg2
---- PASS: TestInt128Neg2 (3.40s)
+--- PASS: TestInt128Neg2 (3.38s)
 === RUN   TestInt128SetInt64
---- PASS: TestInt128SetInt64 (2.95s)
+--- PASS: TestInt128SetInt64 (2.85s)
 === RUN   TestInt128SetUint64
---- PASS: TestInt128SetUint64 (2.43s)
+--- PASS: TestInt128SetUint64 (2.45s)
 === RUN   ExampleBinaryLog
 --- PASS: ExampleBinaryLog (0.00s)
 PASS
-ok  	modernc.org/mathutil	180.019s
+ok  	modernc.org/mathutil	174.683s
 === RUN   TestNew
---- PASS: TestNew (1.46s)
+--- PASS: TestNew (1.32s)
 === RUN   TestHasFactorUint32
 --- PASS: TestHasFactorUint32 (0.00s)
 === RUN   TestHasFactorUint64
@@ -223294,15 +223329,15 @@
 === RUN   TestHasFactorBigInt
 --- PASS: TestHasFactorBigInt (0.00s)
 === RUN   TestFromFactorBigInt
---- PASS: TestFromFactorBigInt (0.03s)
+--- PASS: TestFromFactorBigInt (0.02s)
 === RUN   TestMod
---- PASS: TestMod (1.92s)
+--- PASS: TestMod (1.90s)
 === RUN   TestModPow
---- PASS: TestModPow (1.80s)
+--- PASS: TestModPow (1.81s)
 === RUN   TestModPow2
 --- PASS: TestModPow2 (0.00s)
 PASS
-ok  	modernc.org/mathutil/mersenne	5.266s
+ok  	modernc.org/mathutil/mersenne	5.096s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang
    dh_prep -O--buildsystem=golang
@@ -223329,12 +223364,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: not including original source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/7492/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/19314 and its subdirectories
-I: Current time: Tue Aug 24 14:13:30 -12 2021
-I: pbuilder-time-stamp: 1629857610
+I: removing directory /srv/workspace/pbuilder/7492 and its subdirectories
+I: Current time: Tue Sep 27 22:41:10 +14 2022
+I: pbuilder-time-stamp: 1664268070