Diff of the two buildlogs:

--
--- b1/build.log	2023-04-23 04:56:23.165798473 +0000
+++ b2/build.log	2023-04-23 04:59:29.337552218 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Apr 22 16:53:18 -12 2023
-I: pbuilder-time-stamp: 1682225598
+I: Current time: Sun May 26 01:19:27 +14 2024
+I: pbuilder-time-stamp: 1716635967
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./golang-github-cznic-mathutil_0.0~git20201220.c6aa83b.orig.tar.xz]
 I: copying [./golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Fri Feb  5 20:48:35 2021 -12
+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
@@ -28,135 +28,167 @@
 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/2104447/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/290079/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos15-amd64.
+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
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 May 26 01:19 /bin/sh -> /bin/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/290079/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/290079/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=15'
-  DISTRIBUTION='bookworm'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="15" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
+  BASH_VERSION='5.2.15(1)-release'
+  BUILDDIR=/build
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=amd64
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=16'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='b40ce25a49164ff68c43df98c5423cac'
-  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='2104447'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=7bb82a62baa64e61be3e68c5576a8cdc
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-pc-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=290079
   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/r-b-build.QbmeptTc/pbuilderrc_8l3H --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.QbmeptTc/b1 --logfile b1/build.log golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://78.137.99.97:3128'
+  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/r-b-build.QbmeptTc/pbuilderrc_9kwg --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.QbmeptTc/b2 --logfile b2/build.log --extrapackages usrmerge golang-github-cznic-mathutil_0.0~git20201220.c6aa83b-2.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://85.184.249.68:3128
 I: uname -a
-  Linux ionos11-amd64 5.10.0-21-amd64 #1 SMP Debian 5.10.162-1 (2023-01-21) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-0.deb11.5-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.12-1~bpo11+1 (2023-03-05) x86_64 GNU/Linux
 I: ls -l /bin
   total 5632
-  -rwxr-xr-x 1 root root 1265648 Feb 12 08:05 bash
-  -rwxr-xr-x 3 root root   39224 Sep 18  2022 bunzip2
-  -rwxr-xr-x 3 root root   39224 Sep 18  2022 bzcat
-  lrwxrwxrwx 1 root root       6 Sep 18  2022 bzcmp -> bzdiff
-  -rwxr-xr-x 1 root root    2225 Sep 18  2022 bzdiff
-  lrwxrwxrwx 1 root root       6 Sep 18  2022 bzegrep -> bzgrep
-  -rwxr-xr-x 1 root root    4893 Nov 27  2021 bzexe
-  lrwxrwxrwx 1 root root       6 Sep 18  2022 bzfgrep -> bzgrep
-  -rwxr-xr-x 1 root root    3775 Sep 18  2022 bzgrep
-  -rwxr-xr-x 3 root root   39224 Sep 18  2022 bzip2
-  -rwxr-xr-x 1 root root   14568 Sep 18  2022 bzip2recover
-  lrwxrwxrwx 1 root root       6 Sep 18  2022 bzless -> bzmore
-  -rwxr-xr-x 1 root root    1297 Sep 18  2022 bzmore
-  -rwxr-xr-x 1 root root   44016 Sep 20  2022 cat
-  -rwxr-xr-x 1 root root   68656 Sep 20  2022 chgrp
-  -rwxr-xr-x 1 root root   64496 Sep 20  2022 chmod
-  -rwxr-xr-x 1 root root   72752 Sep 20  2022 chown
-  -rwxr-xr-x 1 root root  151152 Sep 20  2022 cp
-  -rwxr-xr-x 1 root root  125640 Jan  5 01:20 dash
-  -rwxr-xr-x 1 root root  121904 Sep 20  2022 date
-  -rwxr-xr-x 1 root root   89240 Sep 20  2022 dd
-  -rwxr-xr-x 1 root root  102200 Sep 20  2022 df
-  -rwxr-xr-x 1 root root  151344 Sep 20  2022 dir
-  -rwxr-xr-x 1 root root   88656 Mar 22 22:02 dmesg
-  lrwxrwxrwx 1 root root       8 Dec 19 01:33 dnsdomainname -> hostname
-  lrwxrwxrwx 1 root root       8 Dec 19 01:33 domainname -> hostname
-  -rwxr-xr-x 1 root root   43856 Sep 20  2022 echo
-  -rwxr-xr-x 1 root root      41 Jan 24 02:43 egrep
-  -rwxr-xr-x 1 root root   35664 Sep 20  2022 false
-  -rwxr-xr-x 1 root root      41 Jan 24 02:43 fgrep
-  -rwxr-xr-x 1 root root   85600 Mar 22 22:02 findmnt
-  -rwsr-xr-x 1 root root   35128 Mar 22 20:35 fusermount
-  -rwxr-xr-x 1 root root  203152 Jan 24 02:43 grep
-  -rwxr-xr-x 2 root root    2346 Apr  9  2022 gunzip
-  -rwxr-xr-x 1 root root    6447 Apr  9  2022 gzexe
-  -rwxr-xr-x 1 root root   98136 Apr  9  2022 gzip
-  -rwxr-xr-x 1 root root   22680 Dec 19 01:33 hostname
-  -rwxr-xr-x 1 root root   72824 Sep 20  2022 ln
-  -rwxr-xr-x 1 root root   53024 Mar 23 00:40 login
-  -rwxr-xr-x 1 root root  151344 Sep 20  2022 ls
-  -rwxr-xr-x 1 root root  207168 Mar 22 22:02 lsblk
-  -rwxr-xr-x 1 root root   97552 Sep 20  2022 mkdir
-  -rwxr-xr-x 1 root root   72912 Sep 20  2022 mknod
-  -rwxr-xr-x 1 root root   43952 Sep 20  2022 mktemp
-  -rwxr-xr-x 1 root root   59712 Mar 22 22:02 more
-  -rwsr-xr-x 1 root root   59704 Mar 22 22:02 mount
-  -rwxr-xr-x 1 root root   18744 Mar 22 22:02 mountpoint
-  -rwxr-xr-x 1 root root  142968 Sep 20  2022 mv
-  lrwxrwxrwx 1 root root       8 Dec 19 01:33 nisdomainname -> hostname
-  lrwxrwxrwx 1 root root      14 Apr  2 18:25 pidof -> /sbin/killall5
-  -rwxr-xr-x 1 root root   43952 Sep 20  2022 pwd
-  lrwxrwxrwx 1 root root       4 Feb 12 08:05 rbash -> bash
-  -rwxr-xr-x 1 root root   52112 Sep 20  2022 readlink
-  -rwxr-xr-x 1 root root   72752 Sep 20  2022 rm
-  -rwxr-xr-x 1 root root   56240 Sep 20  2022 rmdir
-  -rwxr-xr-x 1 root root   27560 Nov  2 04:31 run-parts
-  -rwxr-xr-x 1 root root  126424 Jan  5 07:55 sed
-  lrwxrwxrwx 1 root root       4 Jan  5 01:20 sh -> dash
-  -rwxr-xr-x 1 root root   43888 Sep 20  2022 sleep
-  -rwxr-xr-x 1 root root   85008 Sep 20  2022 stty
-  -rwsr-xr-x 1 root root   72000 Mar 22 22:02 su
-  -rwxr-xr-x 1 root root   39824 Sep 20  2022 sync
-  -rwxr-xr-x 1 root root  531984 Apr  6 02:25 tar
-  -rwxr-xr-x 1 root root   14520 Nov  2 04:31 tempfile
-  -rwxr-xr-x 1 root root  109616 Sep 20  2022 touch
-  -rwxr-xr-x 1 root root   35664 Sep 20  2022 true
-  -rwxr-xr-x 1 root root   14568 Mar 22 20:35 ulockmgr_server
-  -rwsr-xr-x 1 root root   35128 Mar 22 22:02 umount
-  -rwxr-xr-x 1 root root   43888 Sep 20  2022 uname
-  -rwxr-xr-x 2 root root    2346 Apr  9  2022 uncompress
-  -rwxr-xr-x 1 root root  151344 Sep 20  2022 vdir
-  -rwxr-xr-x 1 root root   72024 Mar 22 22:02 wdctl
-  lrwxrwxrwx 1 root root       8 Dec 19 01:33 ypdomainname -> hostname
-  -rwxr-xr-x 1 root root    1984 Apr  9  2022 zcat
-  -rwxr-xr-x 1 root root    1678 Apr  9  2022 zcmp
-  -rwxr-xr-x 1 root root    6460 Apr  9  2022 zdiff
-  -rwxr-xr-x 1 root root      29 Apr  9  2022 zegrep
-  -rwxr-xr-x 1 root root      29 Apr  9  2022 zfgrep
-  -rwxr-xr-x 1 root root    2081 Apr  9  2022 zforce
-  -rwxr-xr-x 1 root root    8103 Apr  9  2022 zgrep
-  -rwxr-xr-x 1 root root    2206 Apr  9  2022 zless
-  -rwxr-xr-x 1 root root    1842 Apr  9  2022 zmore
-  -rwxr-xr-x 1 root root    4577 Apr  9  2022 znew
-I: user script /srv/workspace/pbuilder/2104447/tmp/hooks/D02_print_environment finished
+  -rwxr-xr-x 1 root root 1265648 Feb 13  2023 bash
+  -rwxr-xr-x 3 root root   39224 Sep 19  2022 bunzip2
+  -rwxr-xr-x 3 root root   39224 Sep 19  2022 bzcat
+  lrwxrwxrwx 1 root root       6 Sep 19  2022 bzcmp -> bzdiff
+  -rwxr-xr-x 1 root root    2225 Sep 19  2022 bzdiff
+  lrwxrwxrwx 1 root root       6 Sep 19  2022 bzegrep -> bzgrep
+  -rwxr-xr-x 1 root root    4893 Nov 28  2021 bzexe
+  lrwxrwxrwx 1 root root       6 Sep 19  2022 bzfgrep -> bzgrep
+  -rwxr-xr-x 1 root root    3775 Sep 19  2022 bzgrep
+  -rwxr-xr-x 3 root root   39224 Sep 19  2022 bzip2
+  -rwxr-xr-x 1 root root   14568 Sep 19  2022 bzip2recover
+  lrwxrwxrwx 1 root root       6 Sep 19  2022 bzless -> bzmore
+  -rwxr-xr-x 1 root root    1297 Sep 19  2022 bzmore
+  -rwxr-xr-x 1 root root   44016 Sep 21  2022 cat
+  -rwxr-xr-x 1 root root   68656 Sep 21  2022 chgrp
+  -rwxr-xr-x 1 root root   64496 Sep 21  2022 chmod
+  -rwxr-xr-x 1 root root   72752 Sep 21  2022 chown
+  -rwxr-xr-x 1 root root  151152 Sep 21  2022 cp
+  -rwxr-xr-x 1 root root  125640 Jan  6  2023 dash
+  -rwxr-xr-x 1 root root  121904 Sep 21  2022 date
+  -rwxr-xr-x 1 root root   89240 Sep 21  2022 dd
+  -rwxr-xr-x 1 root root  102200 Sep 21  2022 df
+  -rwxr-xr-x 1 root root  151344 Sep 21  2022 dir
+  -rwxr-xr-x 1 root root   88656 Mar 24  2023 dmesg
+  lrwxrwxrwx 1 root root       8 Dec 20  2022 dnsdomainname -> hostname
+  lrwxrwxrwx 1 root root       8 Dec 20  2022 domainname -> hostname
+  -rwxr-xr-x 1 root root   43856 Sep 21  2022 echo
+  -rwxr-xr-x 1 root root      41 Jan 25  2023 egrep
+  -rwxr-xr-x 1 root root   35664 Sep 21  2022 false
+  -rwxr-xr-x 1 root root      41 Jan 25  2023 fgrep
+  -rwxr-xr-x 1 root root   85600 Mar 24  2023 findmnt
+  -rwsr-xr-x 1 root root   35128 Mar 23  2023 fusermount
+  -rwxr-xr-x 1 root root  203152 Jan 25  2023 grep
+  -rwxr-xr-x 2 root root    2346 Apr 10  2022 gunzip
+  -rwxr-xr-x 1 root root    6447 Apr 10  2022 gzexe
+  -rwxr-xr-x 1 root root   98136 Apr 10  2022 gzip
+  -rwxr-xr-x 1 root root   22680 Dec 20  2022 hostname
+  -rwxr-xr-x 1 root root   72824 Sep 21  2022 ln
+  -rwxr-xr-x 1 root root   53024 Mar 24  2023 login
+  -rwxr-xr-x 1 root root  151344 Sep 21  2022 ls
+  -rwxr-xr-x 1 root root  207168 Mar 24  2023 lsblk
+  -rwxr-xr-x 1 root root   97552 Sep 21  2022 mkdir
+  -rwxr-xr-x 1 root root   72912 Sep 21  2022 mknod
+  -rwxr-xr-x 1 root root   43952 Sep 21  2022 mktemp
+  -rwxr-xr-x 1 root root   59712 Mar 24  2023 more
+  -rwsr-xr-x 1 root root   59704 Mar 24  2023 mount
+  -rwxr-xr-x 1 root root   18744 Mar 24  2023 mountpoint
+  -rwxr-xr-x 1 root root  142968 Sep 21  2022 mv
+  lrwxrwxrwx 1 root root       8 Dec 20  2022 nisdomainname -> hostname
+  lrwxrwxrwx 1 root root      14 Apr  3  2023 pidof -> /sbin/killall5
+  -rwxr-xr-x 1 root root   43952 Sep 21  2022 pwd
+  lrwxrwxrwx 1 root root       4 Feb 13  2023 rbash -> bash
+  -rwxr-xr-x 1 root root   52112 Sep 21  2022 readlink
+  -rwxr-xr-x 1 root root   72752 Sep 21  2022 rm
+  -rwxr-xr-x 1 root root   56240 Sep 21  2022 rmdir
+  -rwxr-xr-x 1 root root   27560 Nov  3  2022 run-parts
+  -rwxr-xr-x 1 root root  126424 Jan  6  2023 sed
+  lrwxrwxrwx 1 root root       9 May 26 01:19 sh -> /bin/bash
+  -rwxr-xr-x 1 root root   43888 Sep 21  2022 sleep
+  -rwxr-xr-x 1 root root   85008 Sep 21  2022 stty
+  -rwsr-xr-x 1 root root   72000 Mar 24  2023 su
+  -rwxr-xr-x 1 root root   39824 Sep 21  2022 sync
+  -rwxr-xr-x 1 root root  531984 Apr  7  2023 tar
+  -rwxr-xr-x 1 root root   14520 Nov  3  2022 tempfile
+  -rwxr-xr-x 1 root root  109616 Sep 21  2022 touch
+  -rwxr-xr-x 1 root root   35664 Sep 21  2022 true
+  -rwxr-xr-x 1 root root   14568 Mar 23  2023 ulockmgr_server
+  -rwsr-xr-x 1 root root   35128 Mar 24  2023 umount
+  -rwxr-xr-x 1 root root   43888 Sep 21  2022 uname
+  -rwxr-xr-x 2 root root    2346 Apr 10  2022 uncompress
+  -rwxr-xr-x 1 root root  151344 Sep 21  2022 vdir
+  -rwxr-xr-x 1 root root   72024 Mar 24  2023 wdctl
+  lrwxrwxrwx 1 root root       8 Dec 20  2022 ypdomainname -> hostname
+  -rwxr-xr-x 1 root root    1984 Apr 10  2022 zcat
+  -rwxr-xr-x 1 root root    1678 Apr 10  2022 zcmp
+  -rwxr-xr-x 1 root root    6460 Apr 10  2022 zdiff
+  -rwxr-xr-x 1 root root      29 Apr 10  2022 zegrep
+  -rwxr-xr-x 1 root root      29 Apr 10  2022 zfgrep
+  -rwxr-xr-x 1 root root    2081 Apr 10  2022 zforce
+  -rwxr-xr-x 1 root root    8103 Apr 10  2022 zgrep
+  -rwxr-xr-x 1 root root    2206 Apr 10  2022 zless
+  -rwxr-xr-x 1 root root    1842 Apr 10  2022 zmore
+  -rwxr-xr-x 1 root root    4577 Apr 10  2022 znew
+I: user script /srv/workspace/pbuilder/290079/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -235,7 +267,7 @@
 Get: 35 http://deb.debian.org/debian bookworm/main amd64 golang-go amd64 2:1.19~1 [45.0 kB]
 Get: 36 http://deb.debian.org/debian bookworm/main amd64 golang-any amd64 2:1.19~1 [5876 B]
 Get: 37 http://deb.debian.org/debian bookworm/main amd64 golang-github-remyoudompheng-bigfft-dev all 0.0+git20190728.6a916e3-2 [13.8 kB]
-Fetched 99.8 MB in 1s (78.3 MB/s)
+Fetched 99.8 MB in 2s (65.0 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sensible-utils.
 (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 ... 19596 files and directories currently installed.)
@@ -397,8 +429,19 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 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
+I: user script /srv/workspace/pbuilder/290079/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+removed '/etc/unsupported-skip-usrmerge-conversion'
+The system has been successfully converted.
+I: user script /srv/workspace/pbuilder/290079/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+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
@@ -416,22 +459,22 @@
    dh_autoreconf -O--buildsystem=golang
    dh_auto_configure -O--buildsystem=golang
    dh_auto_build -O--buildsystem=golang
-	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 15 modernc.org/mathutil modernc.org/mathutil/mersenne
+	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 16 modernc.org/mathutil modernc.org/mathutil/mersenne
+internal/itoa
 internal/goarch
 internal/unsafeheader
+math/bits
 internal/goos
 internal/goexperiment
-runtime/internal/syscall
-math/bits
 unicode/utf8
-internal/race
-sync/atomic
 unicode
+internal/race
 internal/cpu
 runtime/internal/atomic
-internal/itoa
 internal/abi
 runtime/internal/math
+runtime/internal/syscall
+sync/atomic
 runtime/internal/sys
 internal/bytealg
 math
@@ -442,20 +485,20 @@
 math/rand
 errors
 sort
-strconv
+path
 io
-internal/oserror
 internal/safefilepath
-path
+internal/oserror
+strconv
 syscall
 bytes
 strings
 reflect
 internal/syscall/unix
-internal/syscall/execenv
 time
-io/fs
+internal/syscall/execenv
 internal/poll
+io/fs
 internal/fmtsort
 encoding/binary
 os
@@ -465,53 +508,53 @@
 modernc.org/mathutil
 modernc.org/mathutil/mersenne
    dh_auto_test -O--buildsystem=golang
-	cd obj-x86_64-linux-gnu && go test -vet=off -v -p 15 modernc.org/mathutil modernc.org/mathutil/mersenne
+	cd obj-x86_64-linux-gnu && go test -vet=off -v -p 16 modernc.org/mathutil modernc.org/mathutil/mersenne
 === RUN   Test0
---- PASS: Test0 (0.80s)
+--- PASS: Test0 (0.64s)
 === RUN   Test1
---- PASS: Test1 (1.17s)
+--- PASS: Test1 (0.89s)
 === RUN   Test2
---- PASS: Test2 (1.15s)
+--- PASS: Test2 (0.92s)
 === RUN   TestBig0
---- PASS: TestBig0 (1.05s)
+--- PASS: TestBig0 (0.71s)
 === RUN   TestBig1
---- PASS: TestBig1 (0.87s)
+--- PASS: TestBig1 (0.33s)
 === RUN   TestBig2
---- PASS: TestBig2 (0.81s)
+--- PASS: TestBig2 (0.39s)
 === RUN   TestPermutations
 --- PASS: TestPermutations (0.00s)
 === RUN   TestIsPrime
     all_test.go:580: 283146
---- PASS: TestIsPrime (0.25s)
+--- PASS: TestIsPrime (0.23s)
 === RUN   TestNextPrime
     all_test.go:654: 283146
---- PASS: TestNextPrime (0.22s)
+--- PASS: TestNextPrime (0.21s)
 === RUN   TestNextPrime2
 --- PASS: TestNextPrime2 (0.00s)
 === RUN   TestNextPrimeUint64
---- PASS: TestNextPrimeUint64 (0.73s)
+--- PASS: TestNextPrimeUint64 (0.54s)
 === RUN   TestISqrt
---- PASS: TestISqrt (2.20s)
+--- PASS: TestISqrt (2.17s)
 === RUN   TestSqrtUint64
---- PASS: TestSqrtUint64 (1.95s)
+--- PASS: TestSqrtUint64 (1.92s)
 === RUN   TestSqrtBig
---- PASS: TestSqrtBig (0.94s)
+--- PASS: TestSqrtBig (0.77s)
 === RUN   TestFactorInt
---- PASS: TestFactorInt (2.89s)
+--- PASS: TestFactorInt (2.07s)
 === RUN   TestFactorIntB
---- PASS: TestFactorIntB (0.38s)
+--- PASS: TestFactorIntB (0.36s)
 === RUN   TestIsPrimeUint16
 --- PASS: TestIsPrimeUint16 (0.00s)
 === RUN   TestNextPrimeUint16
 --- PASS: TestNextPrimeUint16 (0.00s)
 === RUN   TestPopCount
---- PASS: TestPopCount (0.75s)
+--- PASS: TestPopCount (0.66s)
 === RUN   TestGCD
 --- PASS: TestGCD (0.00s)
 === RUN   TestLog2
---- PASS: TestLog2 (1.92s)
+--- PASS: TestLog2 (1.74s)
 === RUN   TestBitLen
---- PASS: TestBitLen (2.74s)
+--- PASS: TestBitLen (2.23s)
 === RUN   TestUintptrBits
     all_test.go:1577: 64
 --- PASS: TestUintptrBits (0.00s)
@@ -526,29 +569,29 @@
 === RUN   TestModPowBigInt
 --- PASS: TestModPowBigInt (0.00s)
 === RUN   TestAdd128
---- PASS: TestAdd128 (0.46s)
+--- PASS: TestAdd128 (0.44s)
 === RUN   TestMul128
---- PASS: TestMul128 (0.67s)
+--- PASS: TestMul128 (0.69s)
 === RUN   TestIsPrimeUint64
 --- PASS: TestIsPrimeUint64 (1.13s)
 === RUN   TestProbablyPrimeUint32
---- PASS: TestProbablyPrimeUint32 (9.30s)
+--- PASS: TestProbablyPrimeUint32 (8.42s)
 === RUN   TestProbablyPrimeUint64_32
---- PASS: TestProbablyPrimeUint64_32 (5.83s)
+--- PASS: TestProbablyPrimeUint64_32 (4.72s)
 === RUN   TestProbablyPrimeBigInt_32
---- PASS: TestProbablyPrimeBigInt_32 (4.69s)
+--- PASS: TestProbablyPrimeBigInt_32 (4.78s)
 === RUN   TestProbablyPrimeBigInt
---- PASS: TestProbablyPrimeBigInt (4.18s)
+--- PASS: TestProbablyPrimeBigInt (3.14s)
 === RUN   TestQCmpUint32
---- PASS: TestQCmpUint32 (0.09s)
+--- PASS: TestQCmpUint32 (0.08s)
 === RUN   TestQScaleUint32
---- PASS: TestQScaleUint32 (0.08s)
+--- PASS: TestQScaleUint32 (0.06s)
 === RUN   TestPrimorialProductsUint32
---- PASS: TestPrimorialProductsUint32 (0.17s)
+--- PASS: TestPrimorialProductsUint32 (0.16s)
 === RUN   TestPowerizeUint32BigInt
---- PASS: TestPowerizeUint32BigInt (0.79s)
+--- PASS: TestPowerizeUint32BigInt (0.94s)
 === RUN   TestPowerizeBigInt
---- PASS: TestPowerizeBigInt (0.71s)
+--- PASS: TestPowerizeBigInt (1.13s)
 === RUN   TestEnvelope
 --- PASS: TestEnvelope (0.00s)
 === RUN   TestMaxInt
@@ -701,7 +744,7 @@
 === RUN   TestClampInt64
 --- PASS: TestClampInt64 (0.00s)
 === RUN   TestPopCountBigInt
---- PASS: TestPopCountBigInt (0.10s)
+--- PASS: TestPopCountBigInt (0.14s)
 === RUN   TestToBase
 --- PASS: TestToBase (0.00s)
 === RUN   TestBug
@@ -111959,7 +112002,7 @@
     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 (8.40s)
+--- PASS: TestQuadPolyFactorsBig (11.34s)
 === RUN   TestQuadPolyDiscriminant
 --- PASS: TestQuadPolyDiscriminant (0.00s)
 === RUN   TestQuadPolyFactors
@@ -223213,10 +223256,10 @@
     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 (3.91s)
+--- PASS: TestQuadPolyFactors (3.32s)
 === RUN   TestFCPRNG
     all_test.go:5551: [43690 43691 43691]
---- PASS: TestFCPRNG (0.13s)
+--- PASS: TestFCPRNG (0.06s)
 === RUN   TestCheckAddInt64
 --- PASS: TestCheckAddInt64 (0.00s)
 === RUN   TestCheckSubInt64
@@ -223224,27 +223267,27 @@
 === RUN   TestAddOverflowInt8
 --- PASS: TestAddOverflowInt8 (0.00s)
 === RUN   TestAddOverflowInt16
---- PASS: TestAddOverflowInt16 (4.06s)
+--- PASS: TestAddOverflowInt16 (3.66s)
 === RUN   TestAddOverflowInt32
---- PASS: TestAddOverflowInt32 (3.85s)
+--- PASS: TestAddOverflowInt32 (4.18s)
 === RUN   TestAddOverflowInt64
---- PASS: TestAddOverflowInt64 (1.31s)
+--- PASS: TestAddOverflowInt64 (2.61s)
 === RUN   TestSubOverflowInt8
 --- PASS: TestSubOverflowInt8 (0.00s)
 === RUN   TestSubOverflowInt16
---- PASS: TestSubOverflowInt16 (4.02s)
+--- PASS: TestSubOverflowInt16 (5.74s)
 === RUN   TestSubOverflowInt32
---- PASS: TestSubOverflowInt32 (4.04s)
+--- PASS: TestSubOverflowInt32 (5.70s)
 === RUN   TestSubOverflowInt64
---- PASS: TestSubOverflowInt64 (1.19s)
+--- PASS: TestSubOverflowInt64 (2.09s)
 === RUN   TestMulOverflowInt8
 --- PASS: TestMulOverflowInt8 (0.00s)
 === RUN   TestMulOverflowInt16
---- PASS: TestMulOverflowInt16 (3.88s)
+--- PASS: TestMulOverflowInt16 (3.80s)
 === RUN   TestMulOverflowInt32
---- PASS: TestMulOverflowInt32 (3.73s)
+--- PASS: TestMulOverflowInt32 (4.19s)
 === RUN   TestMulOverflowInt64
---- PASS: TestMulOverflowInt64 (1.31s)
+--- PASS: TestMulOverflowInt64 (2.40s)
 === RUN   TestNewFloat
 --- PASS: TestNewFloat (0.00s)
 === RUN   TestFloatDiv2
@@ -223266,29 +223309,29 @@
 === RUN   TestInt128Add
 --- PASS: TestInt128Add (0.00s)
 === RUN   TestInt128Add2
---- PASS: TestInt128Add2 (1.13s)
+--- PASS: TestInt128Add2 (2.13s)
 === RUN   TestInt128BigInt
 --- PASS: TestInt128BigInt (0.00s)
 === RUN   TestInt128BigInt2
---- PASS: TestInt128BigInt2 (1.25s)
+--- PASS: TestInt128BigInt2 (4.11s)
 === RUN   TestInt128Cmp
 --- PASS: TestInt128Cmp (0.00s)
 === RUN   TestInt128Cmp2
---- PASS: TestInt128Cmp2 (1.62s)
+--- PASS: TestInt128Cmp2 (4.13s)
 === RUN   TestInt128Neg
 --- PASS: TestInt128Neg (0.00s)
 === RUN   TestInt128Neg2
---- PASS: TestInt128Neg2 (1.30s)
+--- PASS: TestInt128Neg2 (4.06s)
 === RUN   TestInt128SetInt64
---- PASS: TestInt128SetInt64 (1.08s)
+--- PASS: TestInt128SetInt64 (3.41s)
 === RUN   TestInt128SetUint64
---- PASS: TestInt128SetUint64 (0.90s)
+--- PASS: TestInt128SetUint64 (3.79s)
 === RUN   ExampleBinaryLog
 --- PASS: ExampleBinaryLog (0.00s)
 PASS
-ok  	modernc.org/mathutil	96.209s
+ok  	modernc.org/mathutil	113.388s
 === RUN   TestNew
---- PASS: TestNew (3.04s)
+--- PASS: TestNew (2.54s)
 === RUN   TestHasFactorUint32
 --- PASS: TestHasFactorUint32 (0.00s)
 === RUN   TestHasFactorUint64
@@ -223296,15 +223339,15 @@
 === RUN   TestHasFactorBigInt
 --- PASS: TestHasFactorBigInt (0.00s)
 === RUN   TestFromFactorBigInt
---- PASS: TestFromFactorBigInt (0.02s)
+--- PASS: TestFromFactorBigInt (0.01s)
 === RUN   TestMod
---- PASS: TestMod (3.26s)
+--- PASS: TestMod (2.70s)
 === RUN   TestModPow
---- PASS: TestModPow (1.57s)
+--- PASS: TestModPow (0.72s)
 === RUN   TestModPow2
 --- PASS: TestModPow2 (0.00s)
 PASS
-ok  	modernc.org/mathutil/mersenne	7.940s
+ok  	modernc.org/mathutil/mersenne	5.991s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang
    dh_prep -O--buildsystem=golang
@@ -223331,12 +223374,14 @@
 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/290079/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/290079/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/2104447 and its subdirectories
-I: Current time: Sat Apr 22 16:56:22 -12 2023
-I: pbuilder-time-stamp: 1682225782
+I: removing directory /srv/workspace/pbuilder/290079 and its subdirectories
+I: Current time: Sun May 26 01:22:30 +14 2024
+I: pbuilder-time-stamp: 1716636150