Diff of the two buildlogs:

--
--- b1/build.log	2023-05-31 06:32:07.901632516 +0000
+++ b2/build.log	2023-05-31 06:35:52.891759446 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue May 30 18:22:34 -12 2023
-I: pbuilder-time-stamp: 1685514154
+I: Current time: Wed May 31 20:32:52 +14 2023
+I: pbuilder-time-stamp: 1685514772
 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 [./unikmer_0.19.1.orig.tar.gz]
 I: copying [./unikmer_0.19.1-1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Sat Jan 28 21:39:33 2023 -12
+gpgv: Signature made Sun Jan 29 23:39:33 2023 +14
 gpgv:                using EDDSA key A095B66EE09024BEE6A2F0722A27904BD7243EDA
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./unikmer_0.19.1-1.dsc: no acceptable signature found
@@ -27,135 +27,167 @@
 dpkg-source: info: applying use-upstream-go-logger.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/11399/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/23348/tmp/hooks/D01_modify_environment starting
+debug: Running on jtx1a.
+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 31 20:33 /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/23348/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/23348/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='bookworm'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='bae17952728c4dfc8a882d499ce6c6aa'
-  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='11399'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=924bd35bdf744890907c20053b64f0b4
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=23348
   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.1RBQwcLv/pbuilderrc_DCMS --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.1RBQwcLv/b1 --logfile b1/build.log unikmer_0.19.1-1.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.1RBQwcLv/pbuilderrc_bgxS --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.1RBQwcLv/b2 --logfile b2/build.log --extrapackages usrmerge unikmer_0.19.1-1.dsc'
+  SUDO_GID=114
+  SUDO_UID=108
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt32a 5.10.0-23-armmp-lpae #1 SMP Debian 5.10.179-1 (2023-05-12) armv7l GNU/Linux
+  Linux i-capture-the-hostname 5.10.0-23-arm64 #1 SMP Debian 5.10.179-1 (2023-05-12) aarch64 GNU/Linux
 I: ls -l /bin
   total 5072
-  -rwxr-xr-x 1 root root 838488 Apr 23 09:24 bash
-  -rwxr-xr-x 3 root root  67144 Sep 18  2022 bunzip2
-  -rwxr-xr-x 3 root root  67144 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  67144 Sep 18  2022 bzip2
-  -rwxr-xr-x 1 root root  67112 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  67632 Sep 20  2022 cat
-  -rwxr-xr-x 1 root root  67676 Sep 20  2022 chgrp
-  -rwxr-xr-x 1 root root  67644 Sep 20  2022 chmod
-  -rwxr-xr-x 1 root root  67684 Sep 20  2022 chown
-  -rwxr-xr-x 1 root root 133532 Sep 20  2022 cp
-  -rwxr-xr-x 1 root root 132868 Jan  5 01:20 dash
-  -rwxr-xr-x 1 root root 133220 Sep 20  2022 date
-  -rwxr-xr-x 1 root root  67732 Sep 20  2022 dd
-  -rwxr-xr-x 1 root root  68104 Sep 20  2022 df
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 dir
-  -rwxr-xr-x 1 root root  59128 Mar 22 21:02 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  67560 Sep 20  2022 echo
-  -rwxr-xr-x 1 root root     41 Jan 24 02:43 egrep
-  -rwxr-xr-x 1 root root  67548 Sep 20  2022 false
-  -rwxr-xr-x 1 root root     41 Jan 24 02:43 fgrep
-  -rwxr-xr-x 1 root root  55748 Mar 22 21:02 findmnt
-  -rwsr-xr-x 1 root root  26208 Mar 22 20:15 fusermount
-  -rwxr-xr-x 1 root root 128608 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  64220 Apr  9  2022 gzip
-  -rwxr-xr-x 1 root root  67032 Dec 19 01:33 hostname
-  -rwxr-xr-x 1 root root  67720 Sep 20  2022 ln
-  -rwxr-xr-x 1 root root  35132 Mar 22 21:51 login
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 ls
-  -rwxr-xr-x 1 root root 136808 Mar 22 21:02 lsblk
-  -rwxr-xr-x 1 root root  67800 Sep 20  2022 mkdir
-  -rwxr-xr-x 1 root root  67764 Sep 20  2022 mknod
-  -rwxr-xr-x 1 root root  67596 Sep 20  2022 mktemp
-  -rwxr-xr-x 1 root root  38504 Mar 22 21:02 more
-  -rwsr-xr-x 1 root root  38496 Mar 22 21:02 mount
-  -rwxr-xr-x 1 root root   9824 Mar 22 21:02 mountpoint
-  -rwxr-xr-x 1 root root 133532 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  67608 Sep 20  2022 pwd
-  lrwxrwxrwx 1 root root      4 Apr 23 09:24 rbash -> bash
-  -rwxr-xr-x 1 root root  67600 Sep 20  2022 readlink
-  -rwxr-xr-x 1 root root  67672 Sep 20  2022 rm
-  -rwxr-xr-x 1 root root  67600 Sep 20  2022 rmdir
-  -rwxr-xr-x 1 root root  67400 Nov  2  2022 run-parts
-  -rwxr-xr-x 1 root root 133372 Jan  5 07:55 sed
-  lrwxrwxrwx 1 root root      4 Jan  5 01:20 sh -> dash
-  -rwxr-xr-x 1 root root  67584 Sep 20  2022 sleep
-  -rwxr-xr-x 1 root root  67644 Sep 20  2022 stty
-  -rwsr-xr-x 1 root root  50800 Mar 22 21:02 su
-  -rwxr-xr-x 1 root root  67584 Sep 20  2022 sync
-  -rwxr-xr-x 1 root root 336764 Apr  6 02:25 tar
-  -rwxr-xr-x 1 root root  67144 Nov  2  2022 tempfile
-  -rwxr-xr-x 1 root root 133224 Sep 20  2022 touch
-  -rwxr-xr-x 1 root root  67548 Sep 20  2022 true
-  -rwxr-xr-x 1 root root   9768 Mar 22 20:15 ulockmgr_server
-  -rwsr-xr-x 1 root root  22108 Mar 22 21:02 umount
-  -rwxr-xr-x 1 root root  67572 Sep 20  2022 uname
-  -rwxr-xr-x 2 root root   2346 Apr  9  2022 uncompress
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 vdir
-  -rwxr-xr-x 1 root root  42608 Mar 22 21:02 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/11399/tmp/hooks/D02_print_environment finished
+  -rwxr-xr-x 1 root root 838488 Apr 24 11:24 bash
+  -rwxr-xr-x 3 root root  67144 Sep 19  2022 bunzip2
+  -rwxr-xr-x 3 root root  67144 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  67144 Sep 19  2022 bzip2
+  -rwxr-xr-x 1 root root  67112 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  67632 Sep 21  2022 cat
+  -rwxr-xr-x 1 root root  67676 Sep 21  2022 chgrp
+  -rwxr-xr-x 1 root root  67644 Sep 21  2022 chmod
+  -rwxr-xr-x 1 root root  67684 Sep 21  2022 chown
+  -rwxr-xr-x 1 root root 133532 Sep 21  2022 cp
+  -rwxr-xr-x 1 root root 132868 Jan  6 03:20 dash
+  -rwxr-xr-x 1 root root 133220 Sep 21  2022 date
+  -rwxr-xr-x 1 root root  67732 Sep 21  2022 dd
+  -rwxr-xr-x 1 root root  68104 Sep 21  2022 df
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 dir
+  -rwxr-xr-x 1 root root  59128 Mar 23 23:02 dmesg
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 dnsdomainname -> hostname
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 domainname -> hostname
+  -rwxr-xr-x 1 root root  67560 Sep 21  2022 echo
+  -rwxr-xr-x 1 root root     41 Jan 25 04:43 egrep
+  -rwxr-xr-x 1 root root  67548 Sep 21  2022 false
+  -rwxr-xr-x 1 root root     41 Jan 25 04:43 fgrep
+  -rwxr-xr-x 1 root root  55748 Mar 23 23:02 findmnt
+  -rwsr-xr-x 1 root root  26208 Mar 23 22:15 fusermount
+  -rwxr-xr-x 1 root root 128608 Jan 25 04:43 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  64220 Apr 10  2022 gzip
+  -rwxr-xr-x 1 root root  67032 Dec 20 03:33 hostname
+  -rwxr-xr-x 1 root root  67720 Sep 21  2022 ln
+  -rwxr-xr-x 1 root root  35132 Mar 23 23:51 login
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 ls
+  -rwxr-xr-x 1 root root 136808 Mar 23 23:02 lsblk
+  -rwxr-xr-x 1 root root  67800 Sep 21  2022 mkdir
+  -rwxr-xr-x 1 root root  67764 Sep 21  2022 mknod
+  -rwxr-xr-x 1 root root  67596 Sep 21  2022 mktemp
+  -rwxr-xr-x 1 root root  38504 Mar 23 23:02 more
+  -rwsr-xr-x 1 root root  38496 Mar 23 23:02 mount
+  -rwxr-xr-x 1 root root   9824 Mar 23 23:02 mountpoint
+  -rwxr-xr-x 1 root root 133532 Sep 21  2022 mv
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 nisdomainname -> hostname
+  lrwxrwxrwx 1 root root     14 Apr  3 20:25 pidof -> /sbin/killall5
+  -rwxr-xr-x 1 root root  67608 Sep 21  2022 pwd
+  lrwxrwxrwx 1 root root      4 Apr 24 11:24 rbash -> bash
+  -rwxr-xr-x 1 root root  67600 Sep 21  2022 readlink
+  -rwxr-xr-x 1 root root  67672 Sep 21  2022 rm
+  -rwxr-xr-x 1 root root  67600 Sep 21  2022 rmdir
+  -rwxr-xr-x 1 root root  67400 Nov  3  2022 run-parts
+  -rwxr-xr-x 1 root root 133372 Jan  6 09:55 sed
+  lrwxrwxrwx 1 root root      9 May 31 20:33 sh -> /bin/bash
+  -rwxr-xr-x 1 root root  67584 Sep 21  2022 sleep
+  -rwxr-xr-x 1 root root  67644 Sep 21  2022 stty
+  -rwsr-xr-x 1 root root  50800 Mar 23 23:02 su
+  -rwxr-xr-x 1 root root  67584 Sep 21  2022 sync
+  -rwxr-xr-x 1 root root 336764 Apr  7 04:25 tar
+  -rwxr-xr-x 1 root root  67144 Nov  3  2022 tempfile
+  -rwxr-xr-x 1 root root 133224 Sep 21  2022 touch
+  -rwxr-xr-x 1 root root  67548 Sep 21  2022 true
+  -rwxr-xr-x 1 root root   9768 Mar 23 22:15 ulockmgr_server
+  -rwsr-xr-x 1 root root  22108 Mar 23 23:02 umount
+  -rwxr-xr-x 1 root root  67572 Sep 21  2022 uname
+  -rwxr-xr-x 2 root root   2346 Apr 10  2022 uncompress
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 vdir
+  -rwxr-xr-x 1 root root  42608 Mar 23 23:02 wdctl
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 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/23348/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -330,7 +362,7 @@
 Get: 97 http://deb.debian.org/debian bookworm/main armhf golang-github-tatsushid-go-prettytable-dev all 0.0~git20141013.ed2d14c-3 [5492 B]
 Get: 98 http://deb.debian.org/debian bookworm/main armhf golang-github-will-rowe-nthash-dev all 0.4.0-1 [5644 B]
 Get: 99 http://deb.debian.org/debian bookworm/main armhf golang-github-zeebo-wyhash-dev all 0.0.1-3 [23.5 kB]
-Fetched 133 MB in 4s (30.7 MB/s)
+Fetched 133 MB in 3s (39.0 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 ... 19324 files and directories currently installed.)
@@ -740,8 +772,19 @@
 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/unikmer-0.19.1/ && 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  > ../unikmer_0.19.1-1_source.changes
+I: user script /srv/workspace/pbuilder/23348/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/23348/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/unikmer-0.19.1/ && 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  > ../unikmer_0.19.1-1_source.changes
 dpkg-buildpackage: info: source package unikmer
 dpkg-buildpackage: info: source version 0.19.1-1
 dpkg-buildpackage: info: source distribution unstable
@@ -759,30 +802,30 @@
    dh_autoreconf -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_configure -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go install -trimpath -v -p 3 github.com/shenwei356/unikmer/unikmer github.com/shenwei356/unikmer/unikmer/cmd
+	cd _build && go install -trimpath -v -p 4 github.com/shenwei356/unikmer/unikmer github.com/shenwei356/unikmer/unikmer/cmd
 internal/unsafeheader
 internal/goarch
-internal/cpu
-internal/abi
 internal/goexperiment
+internal/cpu
 internal/goos
+runtime/internal/syscall
+internal/abi
 runtime/internal/math
 runtime/internal/sys
-runtime/internal/syscall
-internal/bytealg
-runtime/internal/atomic
 internal/race
 sync/atomic
+internal/bytealg
 unicode
+runtime/internal/atomic
 unicode/utf8
 math/bits
-math
 internal/itoa
 internal/nettrace
+math
 container/list
+runtime
 crypto/internal/subtle
 crypto/subtle
-runtime
 crypto/internal/boring/sig
 unicode/utf16
 vendor/golang.org/x/crypto/cryptobyte/asn1
@@ -796,71 +839,71 @@
 runtime/cgo
 math/rand
 errors
-io
 sort
+io
+internal/oserror
 strconv
+syscall
 bytes
 strings
 reflect
-internal/oserror
-syscall
+internal/safefilepath
 time
-encoding/binary
 internal/syscall/unix
-internal/poll
-golang.org/x/sys/unix
-internal/safefilepath
 internal/syscall/execenv
 path
+vendor/golang.org/x/net/dns/dnsmessage
+regexp/syntax
+bufio
+internal/poll
 io/fs
+context
+regexp
+container/heap
+hash
+hash/crc32
+crypto
 os
+crypto/internal/randutil
+encoding/binary
+crypto/internal/nistec/fiat
 internal/fmtsort
+golang.org/x/sys/unix
+crypto/cipher
 fmt
-log
-github.com/mattn/go-isatty
-context
-github.com/mattn/go-colorable
-vendor/golang.org/x/net/dns/dnsmessage
 internal/godebug
 internal/intern
 net/netip
+net
+log
 path/filepath
-regexp/syntax
-bufio
 compress/flate
-regexp
-container/heap
 math/big
 github.com/klauspost/compress/flate
-net
-hash
-hash/crc32
-github.com/dustin/go-humanize
-github.com/klauspost/pgzip
+github.com/mattn/go-isatty
+github.com/mattn/go-colorable
 os/exec
+github.com/mitchellh/go-homedir
 github.com/pkg/errors
 github.com/shenwei356/util/byteutil
 github.com/shenwei356/bio/seq
-github.com/mitchellh/go-homedir
+github.com/dustin/go-humanize
+github.com/klauspost/pgzip
 compress/gzip
-crypto
-crypto/cipher
-crypto/internal/randutil
-crypto/internal/nistec/fiat
 crypto/internal/boring
 crypto/rand
 crypto/aes
 crypto/des
+crypto/internal/nistec
 crypto/internal/boring/bbig
 crypto/sha512
 encoding/asn1
-vendor/golang.org/x/crypto/cryptobyte
 crypto/internal/edwards25519/field
 crypto/internal/edwards25519
-crypto/internal/nistec
+vendor/golang.org/x/crypto/cryptobyte
+crypto/elliptic
 crypto/ed25519
 crypto/hmac
-crypto/elliptic
 crypto/md5
 crypto/rc4
 crypto/rsa
@@ -869,64 +912,64 @@
 crypto/sha256
 crypto/dsa
 encoding/hex
-log/syslog
 encoding/base64
+net/url
 crypto/x509/pkix
-github.com/op/go-logging
 encoding/pem
-net/url
 vendor/golang.org/x/crypto/chacha20
 vendor/golang.org/x/crypto/internal/poly1305
 vendor/golang.org/x/crypto/curve25519/internal/field
-vendor/golang.org/x/crypto/chacha20poly1305
+log/syslog
 crypto/x509
-vendor/golang.org/x/crypto/hkdf
+vendor/golang.org/x/crypto/chacha20poly1305
 vendor/golang.org/x/crypto/curve25519
+github.com/op/go-logging
+vendor/golang.org/x/crypto/hkdf
 vendor/golang.org/x/text/transform
 vendor/golang.org/x/text/unicode/bidi
 vendor/golang.org/x/text/unicode/norm
-vendor/golang.org/x/text/secure/bidirule
 net/textproto
 vendor/golang.org/x/net/http2/hpack
-crypto/tls
+vendor/golang.org/x/text/secure/bidirule
 mime
-vendor/golang.org/x/net/idna
 mime/quotedprintable
-mime/multipart
 net/http/internal
+crypto/tls
 net/http/internal/ascii
+mime/multipart
 os/user
-vendor/golang.org/x/net/http/httpguts
-vendor/golang.org/x/net/http/httpproxy
+vendor/golang.org/x/net/idna
 github.com/will-rowe/nthash
 github.com/zeebo/wyhash
 github.com/shenwei356/bio/sketches
+vendor/golang.org/x/net/http/httpguts
+vendor/golang.org/x/net/http/httpproxy
 github.com/twotwotwo/sorts
-github.com/twotwotwo/sorts/sortutil
 github.com/shenwei356/kmers
-net/http/httptrace
-net/http
+github.com/twotwotwo/sorts/sortutil
 github.com/shenwei356/unik/v5
 github.com/shenwei356/util/pathutil
 github.com/shenwei356/natsort
-github.com/shenwei356/util/stringutil
 encoding/csv
+github.com/shenwei356/util/stringutil
 flag
 text/template/parse
+net/http/httptrace
 github.com/spf13/pflag
-text/template
+net/http
 github.com/mattn/go-runewidth
+text/template
+github.com/tatsushid/go-prettytable
+io/ioutil
 github.com/spf13/cobra
 github.com/shenwei356/xopen
-github.com/tatsushid/go-prettytable
-github.com/shenwei356/bio/seqio/fastx
-github.com/shenwei356/bio/taxdump
 github.com/shenwei356/breader
-io/ioutil
+github.com/shenwei356/bio/taxdump
+github.com/shenwei356/bio/seqio/fastx
 github.com/shenwei356/unikmer/unikmer/cmd
 github.com/shenwei356/unikmer/unikmer
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 3 github.com/shenwei356/unikmer/unikmer github.com/shenwei356/unikmer/unikmer/cmd
+	cd _build && go test -vet=off -v -p 4 github.com/shenwei356/unikmer/unikmer github.com/shenwei356/unikmer/unikmer/cmd
 ?   	github.com/shenwei356/unikmer/unikmer	[no test files]
 ?   	github.com/shenwei356/unikmer/unikmer/cmd	[no test files]
    create-stamp debian/debhelper-build-stamp
@@ -967,12 +1010,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/23348/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/23348/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/11399 and its subdirectories
-I: Current time: Tue May 30 18:32:03 -12 2023
-I: pbuilder-time-stamp: 1685514723
+I: removing directory /srv/workspace/pbuilder/23348 and its subdirectories
+I: Current time: Wed May 31 20:35:49 +14 2023
+I: pbuilder-time-stamp: 1685514949