Diff of the two buildlogs:

--
--- b1/build.log	2023-06-26 14:42:56.626067008 +0000
+++ b2/build.log	2023-06-26 14:45:20.273204538 +0000
@@ -1,9 +1,8 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Jul 28 09:04:28 -12 2024
-I: pbuilder-time-stamp: 1722200668
+I: Current time: Tue Jun 27 04:43:00 +14 2023
+I: pbuilder-time-stamp: 1687790580
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
-tar: ./var/lib/apt/lists: time stamp 2025-08-14 21:30:10 is 33049532.58917176 s in the future
 I: copying local configuration
 W: --override-config is not set; not updating apt.conf Read the manpage for details.
 I: mounting /proc filesystem
@@ -18,7 +17,7 @@
 I: copying [./ionit_0.5.0.orig.tar.xz.asc]
 I: copying [./ionit_0.5.0-1.1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Fri Oct 14 22:10:28 2022 -12
+gpgv: Signature made Sun Oct 16 00:10:28 2022 +14
 gpgv:                using RSA key 09B3AC2ECB169C904345CC546AE1DF0D608F22DC
 gpgv:                issuer "biebl@debian.org"
 gpgv: Can't check signature: No public key
@@ -28,52 +27,84 @@
 dpkg-source: info: unpacking ionit_0.5.0-1.1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/17920/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/27476/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink10-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
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Jun 27 04:43 /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/27476/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/27476/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: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]="aarch64-unknown-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=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=8 '
-  DISTRIBUTION='bookworm'
-  HOME='/var/lib/jenkins'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  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='17920'
-  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=27476
   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.gpBKpM92/pbuilderrc_4BzK --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.gpBKpM92/b1 --logfile b1/build.log ionit_0.5.0-1.1.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/r-b-build.gpBKpM92/pbuilderrc_209Y --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.gpBKpM92/b2 --logfile b2/build.log ionit_0.5.0-1.1.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 codethink13-arm64 4.15.0-212-generic #223-Ubuntu SMP Tue May 23 13:09:17 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-212-generic #223-Ubuntu SMP Tue May 23 13:09:17 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Jul 10 04:48 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/17920/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Jun  9 00:26 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/27476/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -210,7 +241,7 @@
 Get: 77 http://deb.debian.org/debian bookworm/main arm64 python3-markupsafe arm64 2.1.2-1+b1 [13.3 kB]
 Get: 78 http://deb.debian.org/debian bookworm/main arm64 python3-jinja2 all 3.1.2-1 [119 kB]
 Get: 79 http://deb.debian.org/debian bookworm/main arm64 python3-yaml arm64 6.0-3+b2 [108 kB]
-Fetched 56.5 MB in 1s (41.9 MB/s)
+Fetched 56.5 MB in 1s (47.4 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libpython3.11-minimal:arm64.
 (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 ... 19611 files and directories currently installed.)
@@ -543,7 +574,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/ionit-0.5.0/ && 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  > ../ionit_0.5.0-1.1_source.changes
+I: user script /srv/workspace/pbuilder/27476/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for bookworm
+I: user script /srv/workspace/pbuilder/27476/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/ionit-0.5.0/ && 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  > ../ionit_0.5.0-1.1_source.changes
 dpkg-buildpackage: info: source package ionit
 dpkg-buildpackage: info: source version 0.5.0-1.1
 dpkg-buildpackage: info: source distribution unstable
@@ -620,36 +655,36 @@
 test_raise_exception (tests.test_ionit.TestCollectContext.test_raise_exception)
 Test failure for collect_context(["tests/config/exception"]) ... ok
 test_main_append_templates (tests.test_ionit.TestMain.test_main_append_templates)
-Test main() with static context and multiple template directories ... 2024-07-28 09:05:25,861 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
-2024-07-28 09:05:25,862 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
-2024-07-28 09:05:25,870 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
-2024-07-28 09:05:25,873 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static2/counting.jinja' to '/build/ionit-0.5.0/tests/template/static2/counting'.
+Test main() with static context and multiple template directories ... 2023-06-27 04:44:33,044 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
+2023-06-27 04:44:33,044 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
+2023-06-27 04:44:33,054 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
+2023-06-27 04:44:33,058 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static2/counting.jinja' to '/build/ionit-0.5.0/tests/template/static2/counting'.
 ok
 test_main_default_config (tests.test_ionit.TestMain.test_main_default_config)
-Test main() with default config ... 2024-07-28 09:05:25,877 ionit INFO: Loading Python module 'function' from '/build/ionit-0.5.0/tests/config/function/function.py'...
-2024-07-28 09:05:25,880 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/function/Document.jinja' to '/build/ionit-0.5.0/tests/template/function/Document'.
+Test main() with default config ... 2023-06-27 04:44:33,064 ionit INFO: Loading Python module 'function' from '/build/ionit-0.5.0/tests/config/function/function.py'...
+2023-06-27 04:44:33,069 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/function/Document.jinja' to '/build/ionit-0.5.0/tests/template/function/Document'.
 ok
 test_main_default_templates_directory (tests.test_ionit.TestMain.test_main_default_templates_directory)
-Test main() with default templates directory ... 2024-07-28 09:05:25,883 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
-2024-07-28 09:05:25,883 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
-2024-07-28 09:05:25,887 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
+Test main() with default templates directory ... 2023-06-27 04:44:33,074 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
+2023-06-27 04:44:33,074 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
+2023-06-27 04:44:33,080 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
 ok
 test_main_static (tests.test_ionit.TestMain.test_main_static)
-Test main() with static context ... 2024-07-28 09:05:25,890 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
-2024-07-28 09:05:25,890 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
-2024-07-28 09:05:25,894 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
+Test main() with static context ... 2023-06-27 04:44:33,084 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/first.json'...
+2023-06-27 04:44:33,085 ionit INFO: Reading configuration file '/build/ionit-0.5.0/tests/config/static/second.yaml'...
+2023-06-27 04:44:33,090 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
 ok
 test_attribution_error (tests.test_ionit.TestRendering.test_attribution_error)
 Test: Run render_templates("tests/template/attribution-error") ... ok
 test_missing_context (tests.test_ionit.TestRendering.test_missing_context)
 Test: Missing context for render_templates("tests/template/static") ... ok
 test_render_function (tests.test_ionit.TestRendering.test_render_function)
-Test: Run render_templates("tests/template/function") ... 2024-07-28 09:05:25,915 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/function/Document.jinja' to '/build/ionit-0.5.0/tests/template/function/Document'.
+Test: Run render_templates("tests/template/function") ... 2023-06-27 04:44:33,120 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/function/Document.jinja' to '/build/ionit-0.5.0/tests/template/function/Document'.
 ok
 test_render_invalid (tests.test_ionit.TestRendering.test_render_invalid)
 Test: Run render_templates("tests/template/invalid") ... ok
 test_render_static (tests.test_ionit.TestRendering.test_render_static)
-Test: Run render_templates("tests/template/static") ... 2024-07-28 09:05:25,922 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
+Test: Run render_templates("tests/template/static") ... 2023-06-27 04:44:33,131 ionit INFO: Rendered '/build/ionit-0.5.0/tests/template/static/counting.jinja' to '/build/ionit-0.5.0/tests/template/static/counting'.
 ok
 test_render_write_protected (tests.test_ionit.TestRendering.test_render_write_protected)
 Test: Run render_templates("tests/template/static"), but write protected ... ok
@@ -671,7 +706,7 @@
 ok
 
 ----------------------------------------------------------------------
-Ran 32 tests in 23.213s
+Ran 32 tests in 36.353s
 
 OK
    create-stamp debian/debhelper-build-stamp
@@ -739,12 +774,14 @@
 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/27476/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/27476/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/17920 and its subdirectories
-I: Current time: Sun Jul 28 09:05:55 -12 2024
-I: pbuilder-time-stamp: 1722200755
+I: removing directory /srv/workspace/pbuilder/27476 and its subdirectories
+I: Current time: Tue Jun 27 04:45:19 +14 2023
+I: pbuilder-time-stamp: 1687790719