Diff of the two buildlogs:

--
--- b1/build.log	2025-02-27 21:41:04.792177085 +0000
+++ b2/build.log	2025-02-27 21:42:18.496849199 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Apr  1 16:01:15 -12 2026
-I: pbuilder-time-stamp: 1775102475
+I: Current time: Fri Feb 28 11:41:06 +14 2025
+I: pbuilder-time-stamp: 1740692466
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,51 +27,83 @@
 dpkg-source: info: applying SyntaxWarning.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3922910/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/938070/tmp/hooks/D01_modify_environment starting
+debug: Running on infom01-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 Feb 27 21:41 /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/938070/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/938070/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='amd64'
-  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]="37" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  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=12 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='ad6498fb4f03441d962bb084a3e9ee54'
-  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='3922910'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=d0d3b7bd6b2f4da5905cecd965f74e71
+  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=938070
   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.bSYuACYU/pbuilderrc_3pzy --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.bSYuACYU/b1 --logfile b1/build.log python-iptables_1.0.1-4.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
+  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.bSYuACYU/pbuilderrc_8B8U --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.bSYuACYU/b2 --logfile b2/build.log python-iptables_1.0.1-4.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
 I: uname -a
-  Linux infom02-amd64 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3922910/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/938070/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -210,7 +242,7 @@
 Get: 93 http://deb.debian.org/debian trixie/main amd64 python3-snowballstemmer all 2.2.0-4 [58.0 kB]
 Get: 94 http://deb.debian.org/debian trixie/main amd64 sphinx-common all 8.1.3-5 [617 kB]
 Get: 95 http://deb.debian.org/debian trixie/main amd64 python3-sphinx all 8.1.3-5 [468 kB]
-Fetched 48.8 MB in 3s (18.4 MB/s)
+Fetched 48.8 MB in 0s (111 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:amd64.
 (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 ... 19802 files and directories currently installed.)
@@ -524,8 +556,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Apr  2 04:03:18 UTC 2026.
-Universal Time is now:  Thu Apr  2 04:03:18 UTC 2026.
+Local time is now:      Thu Feb 27 21:41:47 UTC 2025.
+Universal Time is now:  Thu Feb 27 21:41:47 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -627,7 +659,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/python-iptables-1.0.1/ && 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  > ../python-iptables_1.0.1-4_source.changes
+I: user script /srv/workspace/pbuilder/938070/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/938070/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/python-iptables-1.0.1/ && 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  > ../python-iptables_1.0.1-4_source.changes
 dpkg-buildpackage: info: source package python-iptables
 dpkg-buildpackage: info: source version 1.0.1-4
 dpkg-buildpackage: info: source distribution unstable
@@ -668,7 +704,7 @@
 Converting `source_suffix = '.rst'` to `source_suffix = {'.rst': 'restructuredtext'}`.
 loading intersphinx inventory 'python' from http://docs.python.org/objects.inv ...
 WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'http://docs.python.org/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPConnectionPool(host='127.0.0.1', port=9): Max retries exceeded with url: http://docs.python.org/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fb505eb16a0>: Failed to establish a new connection: [Errno 111] Connection refused')))
+intersphinx inventory 'http://docs.python.org/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPConnectionPool(host='127.0.0.1', port=9): Max retries exceeded with url: http://docs.python.org/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f59c423d6a0>: Failed to establish a new connection: [Errno 111] Connection refused')))
 building [mo]: targets for 0 po files that are out of date
 writing output... 
 building [html]: targets for 4 source files that are out of date
@@ -900,8 +936,8 @@
 preparing documents... done
 copying assets... 
 copying static files... 
-Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/language_data.js
+Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/basic.css
 Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/sidebar.js
 Writing evaluated template result to /build/reproducible-path/python-iptables-1.0.1/.pybuild/docs/html/_static/classic.css
@@ -931,13 +967,13 @@
 running build_py
 creating /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 copying iptc/util.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
-copying iptc/xtables.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
+copying iptc/version.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 copying iptc/easy.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 copying iptc/errors.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
+copying iptc/ip6tc.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
+copying iptc/xtables.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 copying iptc/__init__.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 copying iptc/ip4tc.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
-copying iptc/ip6tc.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
-copying iptc/version.py -> /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc
 running build_ext
 building 'libxtwrapper' extension
 creating build/temp.linux-x86_64-cpython-313/libxtwrapper
@@ -971,22 +1007,22 @@
 creating /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages
 creating /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/util.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
-copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/xtables.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
+copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/version.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/easy.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/errors.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
+copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/ip6tc.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
+copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/xtables.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/__init__.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/ip4tc.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
-copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/ip6tc.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
-copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/iptc/version.py -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc
 copying /build/reproducible-path/python-iptables-1.0.1/.pybuild/cpython3_3.13_iptables/build/libxtwrapper.cpython-313-x86_64-linux-gnu.so -> /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages
 byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/util.py to util.cpython-313.pyc
-byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/xtables.py to xtables.cpython-313.pyc
+byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/version.py to version.cpython-313.pyc
 byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/easy.py to easy.cpython-313.pyc
 byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/errors.py to errors.cpython-313.pyc
+byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/ip6tc.py to ip6tc.cpython-313.pyc
+byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/xtables.py to xtables.cpython-313.pyc
 byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/__init__.py to __init__.cpython-313.pyc
 byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/ip4tc.py to ip4tc.cpython-313.pyc
-byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/ip6tc.py to ip6tc.cpython-313.pyc
-byte-compiling /build/reproducible-path/python-iptables-1.0.1/debian/python3-iptables/usr/lib/python3.13/dist-packages/iptc/version.py to version.cpython-313.pyc
 running install_egg_info
 running egg_info
 creating python_iptables.egg-info
@@ -1029,8 +1065,8 @@
    dh_md5sums -O--buildsystem=pybuild
    dh_builddeb -O--buildsystem=pybuild
 dpkg-deb: building package 'python3-iptables' in '../python3-iptables_1.0.1-4_amd64.deb'.
-dpkg-deb: building package 'python3-iptables-dbgsym' in '../python3-iptables-dbgsym_1.0.1-4_amd64.deb'.
 dpkg-deb: building package 'python-iptables-doc' in '../python-iptables-doc_1.0.1-4_all.deb'.
+dpkg-deb: building package 'python3-iptables-dbgsym' in '../python3-iptables-dbgsym_1.0.1-4_amd64.deb'.
  dpkg-genbuildinfo --build=binary -O../python-iptables_1.0.1-4_amd64.buildinfo
  dpkg-genchanges --build=binary -O../python-iptables_1.0.1-4_amd64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -1039,12 +1075,14 @@
 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/938070/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/938070/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/3922910 and its subdirectories
-I: Current time: Wed Apr  1 16:04:04 -12 2026
-I: pbuilder-time-stamp: 1775102644
+I: removing directory /srv/workspace/pbuilder/938070 and its subdirectories
+I: Current time: Fri Feb 28 11:42:17 +14 2025
+I: pbuilder-time-stamp: 1740692537