Diff of the two buildlogs:

--
--- b1/build.log	2025-01-11 02:03:44.648146967 +0000
+++ b2/build.log	2025-01-11 02:05:08.612314694 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Feb 12 20:22:39 -12 2026
-I: pbuilder-time-stamp: 1770970959
+I: Current time: Sat Jan 11 16:03:49 +14 2025
+I: pbuilder-time-stamp: 1736561029
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -29,52 +29,84 @@
 dpkg-source: info: applying 07-disable-reporting.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/4007210/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3179095/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 Jan 11 02:03 /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/3179095/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3179095/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]="37" [3]="1" [4]="release" [5]="aarch64-unknown-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=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='6803cf56edf249cab5e4b50723bc7661'
-  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='4007210'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=6f4ad78e1d294d8e856e8d1ebd7940b5
+  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=3179095
   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.8HV0pJ7C/pbuilderrc_kWCl --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.8HV0pJ7C/b1 --logfile b1/build.log chirp_20241227-1.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.8HV0pJ7C/pbuilderrc_VNTt --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.8HV0pJ7C/b2 --logfile b2/build.log chirp_20241227-1.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 codethink03-arm64 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/4007210/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3179095/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -343,7 +375,7 @@
 Get: 215 http://deb.debian.org/debian unstable/main arm64 python3-wxgtk4.0 arm64 4.2.2+dfsg-1+b1 [8898 kB]
 Get: 216 http://deb.debian.org/debian unstable/main arm64 python3-yattag all 1.16.1-1 [15.4 kB]
 Get: 217 http://deb.debian.org/debian unstable/main arm64 wxpython-tools all 4.2.2+dfsg-1 [113 kB]
-Fetched 118 MB in 2s (53.4 MB/s)
+Fetched 118 MB in 0s (246 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libapparmor1: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 ... 19963 files and directories currently installed.)
@@ -1067,8 +1099,8 @@
 Setting up tzdata (2024b-5) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Fri Feb 13 08:24:38 UTC 2026.
-Universal Time is now:  Fri Feb 13 08:24:38 UTC 2026.
+Local time is now:      Sat Jan 11 02:04:24 UTC 2025.
+Universal Time is now:  Sat Jan 11 02:04:24 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libxcb-present0:arm64 (1.17.0-2+b1) ...
@@ -1265,7 +1297,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/chirp-20241227/ && 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  > ../chirp_20241227-1_source.changes
+I: user script /srv/workspace/pbuilder/3179095/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/3179095/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/chirp-20241227/ && 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  > ../chirp_20241227-1_source.changes
 dpkg-buildpackage: info: source package chirp
 dpkg-buildpackage: info: source version 1:20241227-1
 dpkg-buildpackage: info: source distribution unstable
@@ -2039,19 +2075,19 @@
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/pl/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/nl/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/ja_JP/LC_MESSAGES/CHIRP.mo
-	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/it/LC_MESSAGES/CHIRP.mo
-	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/hu/LC_MESSAGES/CHIRP.mo
-	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/fr/LC_MESSAGES/CHIRP.mo
-	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/zh_CN/LC_MESSAGES/CHIRP.mo
-	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/uk_UA/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/tr_TR/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/ru/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/pt_BR/LC_MESSAGES/CHIRP.mo
+	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/zh_CN/LC_MESSAGES/CHIRP.mo
+	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/uk_UA/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/es/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/en_US/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/el/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/de/LC_MESSAGES/CHIRP.mo
 	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/bg_BG/LC_MESSAGES/CHIRP.mo
+	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/it/LC_MESSAGES/CHIRP.mo
+	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/hu/LC_MESSAGES/CHIRP.mo
+	Normalized debian/chirp/usr/lib/python3/dist-packages/chirp/locale/fr/LC_MESSAGES/CHIRP.mo
    dh_compress -O--buildsystem=pybuild
    dh_fixperms -O--buildsystem=pybuild
    dh_missing -O--buildsystem=pybuild
@@ -2068,12 +2104,14 @@
 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/3179095/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3179095/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/4007210 and its subdirectories
-I: Current time: Thu Feb 12 20:26:42 -12 2026
-I: pbuilder-time-stamp: 1770971202
+I: removing directory /srv/workspace/pbuilder/3179095 and its subdirectories
+I: Current time: Sat Jan 11 16:05:06 +14 2025
+I: pbuilder-time-stamp: 1736561106