Diff of the two buildlogs:

--
--- b1/build.log	2024-04-30 19:50:56.175382343 +0000
+++ b2/build.log	2024-04-30 19:58:56.010970136 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Apr 30 07:43:56 -12 2024
-I: pbuilder-time-stamp: 1714506236
+I: Current time: Wed May  1 09:51:13 +14 2024
+I: pbuilder-time-stamp: 1714506673
 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 70-add-crossbuild-support.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3388651/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2071377/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink04-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 Apr 30 19:51 /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/2071377/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2071377/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='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]="21" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.21(1)-release'
+  BUILDDIR=/build/reproducible-path
+  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=12 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='fb6d90acadeb469f8751a2fa5bc049c1'
-  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='3388651'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=8b80f922def24ffcbd8256906b29e36a
+  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=2071377
   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.vYEBF5jD/pbuilderrc_rlcJ --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.vYEBF5jD/b1 --logfile b1/build.log texmaker_5.1.3+dfsg-1.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'
-  http_proxy='http://192.168.101.4:3128'
+  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.vYEBF5jD/pbuilderrc_6dOD --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.vYEBF5jD/b2 --logfile b2/build.log texmaker_5.1.3+dfsg-1.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'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink02-arm64 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Apr 21 07:15 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3388651/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Apr 23 11:23 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2071377/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -594,7 +626,7 @@
 Get: 243 http://deb.debian.org/debian trixie/main arm64 libsynctex-dev arm64 2023.20230311.66589-9+b2 [63.1 kB]
 Get: 244 http://deb.debian.org/debian trixie/main arm64 libxkbcommon-dev arm64 1.6.0-1+b1 [52.9 kB]
 Get: 245 http://deb.debian.org/debian trixie/main arm64 qtbase5-private-dev arm64 5.15.10+dfsg-7.2+b1 [1310 kB]
-Fetched 129 MB in 1s (87.7 MB/s)
+Fetched 129 MB in 1s (116 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 dpkg: libdb5.3:arm64: dependency problems, but removing anyway as you requested:
  libperl5.38:arm64 depends on libdb5.3.
@@ -1397,8 +1429,8 @@
 Setting up tzdata (2024a-3) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Tue Apr 30 19:45:15 UTC 2024.
-Universal Time is now:  Tue Apr 30 19:45:15 UTC 2024.
+Local time is now:      Tue Apr 30 19:52:37 UTC 2024.
+Universal Time is now:  Tue Apr 30 19:52:37 UTC 2024.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libcap2-bin (1:2.66-5) ...
@@ -1620,7 +1652,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/texmaker-5.1.3+dfsg/ && 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  > ../texmaker_5.1.3+dfsg-1_source.changes
+I: user script /srv/workspace/pbuilder/2071377/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/2071377/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/texmaker-5.1.3+dfsg/ && 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  > ../texmaker_5.1.3+dfsg-1_source.changes
 dpkg-buildpackage: info: source package texmaker
 dpkg-buildpackage: info: source version 5.1.3+dfsg-1
 dpkg-buildpackage: info: source distribution unstable
@@ -2387,11 +2423,15 @@
 make[1]: Entering directory '/build/reproducible-path/texmaker-5.1.3+dfsg'
 /usr/lib/qt5/bin/qmake -install qinstall -exe texmaker /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/bin/texmaker
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc10.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc10.png
+/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.desktop /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/applications/texmaker.desktop
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc11.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc11.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc12.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc12.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc13.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc13.png
+/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/pixmaps/texmaker.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc14.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc14.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc15.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc15.png
+/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.metainfo.xml /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/metainfo/texmaker.metainfo.xml
+: /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/bin/texmaker
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc16.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc16.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc17.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc17.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc1.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc1.png
@@ -2401,7 +2441,6 @@
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc2.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc2.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc3.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc3.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc4.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc4.png
-: /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/bin/texmaker
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc5.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc5.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc6bis.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc6bis.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/doc/doc6.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/doc6.png
@@ -2418,7 +2457,6 @@
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker22x22.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker22x22.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker32x32.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker32x32.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker48x48.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker48x48.png
-/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.desktop /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/applications/texmaker.desktop
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker64x64.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker64x64.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker128x128.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker128x128.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.svg /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/texmaker.svg
@@ -2426,11 +2464,9 @@
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/scripts/hardwordwrap_selection_80col.tms /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/hardwordwrap_selection_80col.tms
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_ar.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_ar.qm
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_ca.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_ca.qm
-/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.png /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/pixmaps/texmaker.png
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_cs.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_cs.qm
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_da.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_da.qm
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_de.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_de.qm
-/usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/utilities/texmaker.metainfo.xml /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/metainfo/texmaker.metainfo.xml
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_en.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_en.qm
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_es.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_es.qm
 /usr/lib/qt5/bin/qmake -install qinstall /build/reproducible-path/texmaker-5.1.3+dfsg/locale/qt_fa.qm /build/reproducible-path/texmaker-5.1.3+dfsg/debian/tmp/usr/share/texmaker/qt_fa.qm
@@ -2541,8 +2577,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'texmaker-dbgsym' in '../texmaker-dbgsym_5.1.3+dfsg-1_arm64.deb'.
 dpkg-deb: building package 'texmaker' in '../texmaker_5.1.3+dfsg-1_arm64.deb'.
+dpkg-deb: building package 'texmaker-dbgsym' in '../texmaker-dbgsym_5.1.3+dfsg-1_arm64.deb'.
 dpkg-deb: building package 'texmaker-data' in '../texmaker-data_5.1.3+dfsg-1_all.deb'.
  dpkg-genbuildinfo --build=binary -O../texmaker_5.1.3+dfsg-1_arm64.buildinfo
  dpkg-genchanges --build=binary -O../texmaker_5.1.3+dfsg-1_arm64.changes
@@ -2551,12 +2587,14 @@
 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/2071377/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2071377/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/3388651 and its subdirectories
-I: Current time: Tue Apr 30 07:50:53 -12 2024
-I: pbuilder-time-stamp: 1714506653
+I: removing directory /srv/workspace/pbuilder/2071377 and its subdirectories
+I: Current time: Wed May  1 09:58:54 +14 2024
+I: pbuilder-time-stamp: 1714507134