Diff of the two buildlogs:

--
--- b1/build.log	2025-01-03 17:03:50.528128853 +0000
+++ b2/build.log	2025-01-03 17:12:45.651697912 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Jan  3 04:54:59 -12 2025
-I: pbuilder-time-stamp: 1735923299
+I: Current time: Sat Jan  4 07:04:01 +14 2025
+I: pbuilder-time-stamp: 1735923841
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -30,52 +30,84 @@
 dpkg-source: info: applying sphinx-8.0.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/6199/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/14846/tmp/hooks/D01_modify_environment starting
+debug: Running on virt32c.
+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 Jan  3 17:04 /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/14846/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/14846/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='trixie'
-  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]="37" [3]="1" [4]="release" [5]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='2be26892e88846be8e1849a978056a8a'
-  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='6199'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=1e64d194de21403db0c8b44a3db4a13f
+  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=14846
   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.gQJZhqKp/pbuilderrc_CVVB --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.gQJZhqKp/b1 --logfile b1/build.log dot2tex_2.11.3-8.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.gQJZhqKp/pbuilderrc_R43n --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.gQJZhqKp/b2 --logfile b2/build.log dot2tex_2.11.3-8.dsc'
+  SUDO_GID=113
+  SUDO_UID=107
+  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 virt64c 6.1.0-28-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/6199/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/14846/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -313,7 +345,7 @@
 Get: 184 http://deb.debian.org/debian trixie/main armhf texlive-pictures all 2024.20241115-1 [17.0 MB]
 Get: 185 http://deb.debian.org/debian trixie/main armhf texlive-plain-generic all 2024.20241115-1 [28.6 MB]
 Get: 186 http://deb.debian.org/debian trixie/main armhf texlive-pstricks all 2024.20241115-1 [29.9 MB]
-Fetched 176 MB in 3s (52.7 MB/s)
+Fetched 176 MB in 3s (51.4 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.12-minimal:armhf.
 (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 ... 19679 files and directories currently installed.)
@@ -925,8 +957,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Fri Jan  3 16:56:27 UTC 2025.
-Universal Time is now:  Fri Jan  3 16:56:27 UTC 2025.
+Local time is now:      Fri Jan  3 17:05:22 UTC 2025.
+Universal Time is now:  Fri Jan  3 17:05:22 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -1114,7 +1146,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/dot2tex-2.11.3/ && 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  > ../dot2tex_2.11.3-8_source.changes
+I: user script /srv/workspace/pbuilder/14846/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/14846/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/dot2tex-2.11.3/ && 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  > ../dot2tex_2.11.3-8_source.changes
 dpkg-buildpackage: info: source package dot2tex
 dpkg-buildpackage: info: source version 2.11.3-8
 dpkg-buildpackage: info: source distribution unstable
@@ -1169,7 +1205,7 @@
 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.ConnectionError'>: HTTPConnectionPool(host='docs.python.org', port=80): Max retries exceeded with url: /objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPConnection object at 0xf5f3a9f0>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
+intersphinx inventory 'http://docs.python.org/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPConnectionPool(host='docs.python.org', port=80): Max retries exceeded with url: /objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPConnection object at 0xb533a9a8>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
 building [mo]: targets for 0 po files that are out of date
 writing output... 
 building [html]: targets for 9 source files that are out of date
@@ -1323,7 +1359,7 @@
 test_russian2 (test_dot2tex.UnicodeTest.test_russian2) ... ok
 
 ----------------------------------------------------------------------
-Ran 58 tests in 70.873s
+Ran 58 tests in 71.140s
 
 OK
    create-stamp debian/debhelper-build-stamp
@@ -1351,11 +1387,11 @@
 running install_lib
 creating /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages
 creating /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex
+copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/dot2tex.py -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex
 creating /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/__pycache__
-copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/__pycache__/dotparsing.cpython-312.pyc -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/__pycache__
 copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/__pycache__/__init__.cpython-312.pyc -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/__pycache__
+copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/__pycache__/dotparsing.cpython-312.pyc -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/__pycache__
 copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/__pycache__/dot2tex.cpython-312.pyc -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/__pycache__
-copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/dot2tex.py -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex
 copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/dotparsing.py -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex
 copying /build/reproducible-path/dot2tex-2.11.3/.pybuild/cpython3_3.12/build/dot2tex/__init__.py -> /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex
 byte-compiling /build/reproducible-path/dot2tex-2.11.3/debian/dot2tex/usr/lib/python3.12/dist-packages/dot2tex/dot2tex.py to dot2tex.cpython-312.pyc
@@ -1424,12 +1460,14 @@
 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/14846/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/14846/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/6199 and its subdirectories
-I: Current time: Fri Jan  3 05:03:46 -12 2025
-I: pbuilder-time-stamp: 1735923826
+I: removing directory /srv/workspace/pbuilder/14846 and its subdirectories
+I: Current time: Sat Jan  4 07:12:41 +14 2025
+I: pbuilder-time-stamp: 1735924361