Diff of the two buildlogs:

--
--- b1/build.log	2025-02-18 13:41:00.687390477 +0000
+++ b2/build.log	2025-02-18 13:48:54.594102561 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 23 08:01:02 -12 2026
-I: pbuilder-time-stamp: 1774296062
+I: Current time: Wed Feb 19 03:41:02 +14 2025
+I: pbuilder-time-stamp: 1739886062
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -38,52 +38,84 @@
 dpkg-source: info: applying 0015-tsa2d32.cpp-Do-not-free-pointers-to-avoid-crash-on-a.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1702960/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1212406/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos11-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 18 13:41 /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/1212406/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1212406/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'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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=20 '
+  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='b97310e291894be78067e927e5d43995'
-  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='1702960'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=380b4236a89345c6b7ef91fff5cd7384
+  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=1212406
   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.nlxH92O5/pbuilderrc_0SQM --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.nlxH92O5/b1 --logfile b1/build.log gcin_2.9.4+dfsg1-3.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  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.nlxH92O5/pbuilderrc_VWqu --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.nlxH92O5/b2 --logfile b2/build.log gcin_2.9.4+dfsg1-3.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos15-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-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/1702960/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1212406/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -535,7 +567,7 @@
 Get: 397 http://deb.debian.org/debian trixie/main amd64 qtbase5-dev-tools amd64 5.15.15+dfsg-4 [778 kB]
 Get: 398 http://deb.debian.org/debian trixie/main amd64 qtbase5-dev amd64 5.15.15+dfsg-4 [1123 kB]
 Get: 399 http://deb.debian.org/debian trixie/main amd64 qtbase5-private-dev amd64 5.15.15+dfsg-4 [1311 kB]
-Fetched 178 MB in 2s (99.8 MB/s)
+Fetched 178 MB in 6s (28.8 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libsystemd-shared: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 ... 19809 files and directories currently installed.)
@@ -1825,8 +1857,8 @@
 Setting up tzdata (2024b-6) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Mar 23 20:02:16 UTC 2026.
-Universal Time is now:  Mon Mar 23 20:02:16 UTC 2026.
+Local time is now:      Tue Feb 18 13:43:33 UTC 2025.
+Universal Time is now:  Tue Feb 18 13:43:33 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libxcb-present0:amd64 (1.17.0-2+b1) ...
@@ -2180,7 +2212,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/gcin-2.9.4+dfsg1/ && 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  > ../gcin_2.9.4+dfsg1-3_source.changes
+I: user script /srv/workspace/pbuilder/1212406/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1212406/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/gcin-2.9.4+dfsg1/ && 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  > ../gcin_2.9.4+dfsg1-3_source.changes
 dpkg-buildpackage: info: source package gcin
 dpkg-buildpackage: info: source version 2.9.4+dfsg1-3
 dpkg-buildpackage: info: source distribution unstable
@@ -5768,24 +5804,24 @@
 make[1]: Leaving directory '/build/reproducible-path/gcin-2.9.4+dfsg1'
    dh_dwz -a -O--no-parallel -O--no-dwz-multifile
 dwz: debian/gcin/usr/bin/gcin: .debug_info section not present
-dwz: debian/gcin/usr/bin/gcin-exit: .debug_info section not present
-dwz: debian/gcin/usr/bin/gcin-gb-toggle: .debug_info section not present
-dwz: debian/gcin/usr/bin/gcin-kbm-toggle: .debug_info section not present
 dwz: debian/gcin/usr/bin/gcin-message: .debug_info section not present
-dwz: debian/gcin/usr/bin/gcin-tools: .debug_info section not present
-dwz: debian/gcin/usr/bin/gcin2tab: .debug_info section not present
-dwz: debian/gcin/usr/bin/gtab-db-gen: .debug_info section not present
-dwz: debian/gcin/usr/bin/gtab-merge: .debug_info section not present
-dwz: debian/gcin/usr/bin/juyin-learn: .debug_info section not present
-dwz: debian/gcin/usr/bin/phoa2d: .debug_info section not present
+dwz: dwz: dwz: debian/gcin/usr/bin/juyin-learn: .debug_info section not presentdwz: 
+debian/gcin/usr/bin/gcin-exit: .debug_info section not present
+debian/gcin/usr/bin/gcin-kbm-toggle: .debug_info section not present
 dwz: debian/gcin/usr/bin/phod2a: .debug_info section not present
+dwz: debian/gcin/usr/bin/gcin2tab: .debug_info section not present
+debian/gcin/usr/bin/gtab-db-gen: .debug_info section not present
+dwz: dwz: debian/gcin/usr/bin/ts-edit: .debug_info section not presentdebian/gcin/usr/bin/gcin-gb-toggle: .debug_info section not present
+
 dwz: debian/gcin/usr/bin/sim2trad: .debug_info section not present
-dwz: debian/gcin/usr/bin/ts-edit: .debug_info section not present
 dwz: debian/gcin/usr/bin/tsa2d32: .debug_info section not present
-dwz: debian/gcin/usr/bin/tsd2a32: .debug_info section not present
-dwz: debian/gcin/usr/bin/tsin2gtab-phrase: .debug_info section not present
 dwz: debian/gcin/usr/bin/tslearn: .debug_info section not present
+dwz: debian/gcin/usr/bin/tsin2gtab-phrase: .debug_info section not present
 dwz: debian/gcin/usr/bin/txt2gtab-phrase: .debug_info section not present
+dwz: debian/gcin/usr/bin/gtab-merge: .debug_info section not present
+dwz: debian/gcin/usr/bin/phoa2d: .debug_info section not present
+dwz: debian/gcin/usr/bin/gcin-tools: .debug_info section not present
+dwz: debian/gcin/usr/bin/tsd2a32: .debug_info section not present
    dh_strip -a -O--no-parallel -O--no-dwz-multifile
    debian/rules override_dh_makeshlibs
 make[1]: Entering directory '/build/reproducible-path/gcin-2.9.4+dfsg1'
@@ -5796,19 +5832,19 @@
    dh_gencontrol -O--no-parallel -O--no-dwz-multifile
    dh_md5sums -O--no-parallel -O--no-dwz-multifile
    dh_builddeb -O--no-parallel -O--no-dwz-multifile
-dpkg-deb: building package 'gcin' in '../gcin_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'gcin-data' in '../gcin-data_2.9.4+dfsg1-3_all.deb'.
+dpkg-deb: building package 'gcin' in '../gcin_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'gcin-tables' in '../gcin-tables_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'libgcin' in '../libgcin_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'libgcin-dbgsym' in '../libgcin-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'gcin-gtk2-immodule' in '../gcin-gtk2-immodule_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'libgcin' in '../libgcin_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'gcin-gtk2-immodule-dbgsym' in '../gcin-gtk2-immodule-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'gcin-gtk3-immodule' in '../gcin-gtk3-immodule_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'gcin-gtk3-immodule-dbgsym' in '../gcin-gtk3-immodule-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'gcin-qt5-immodule' in '../gcin-qt5-immodule_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'gcin-gtk2-immodule' in '../gcin-gtk2-immodule_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'gcin-anthy-dbgsym' in '../gcin-anthy-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'gcin-qt5-immodule-dbgsym' in '../gcin-qt5-immodule-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'gcin-gtk3-immodule-dbgsym' in '../gcin-gtk3-immodule-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'gcin-gtk3-immodule' in '../gcin-gtk3-immodule_2.9.4+dfsg1-3_amd64.deb'.
 dpkg-deb: building package 'gcin-anthy' in '../gcin-anthy_2.9.4+dfsg1-3_amd64.deb'.
-dpkg-deb: building package 'gcin-anthy-dbgsym' in '../gcin-anthy-dbgsym_2.9.4+dfsg1-3_amd64.deb'.
+dpkg-deb: building package 'gcin-qt5-immodule' in '../gcin-qt5-immodule_2.9.4+dfsg1-3_amd64.deb'.
  dpkg-genbuildinfo --build=binary -O../gcin_2.9.4+dfsg1-3_amd64.buildinfo
  dpkg-genchanges --build=binary -O../gcin_2.9.4+dfsg1-3_amd64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -5816,12 +5852,14 @@
 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/1212406/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1212406/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/1702960 and its subdirectories
-I: Current time: Mon Mar 23 08:04:00 -12 2026
-I: pbuilder-time-stamp: 1774296240
+I: removing directory /srv/workspace/pbuilder/1212406 and its subdirectories
+I: Current time: Wed Feb 19 03:48:53 +14 2025
+I: pbuilder-time-stamp: 1739886533