Diff of the two buildlogs:

--
--- b1/build.log	2025-02-27 10:23:49.030572794 +0000
+++ b2/build.log	2025-02-27 10:25:12.234834053 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Feb 26 22:22:38 -12 2025
-I: pbuilder-time-stamp: 1740651758
+I: Current time: Thu Apr  2 06:46:51 +14 2026
+I: pbuilder-time-stamp: 1775062011
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -23,52 +23,84 @@
 dpkg-source: info: unpacking wmanager_0.3.1-3.debian.tar.xz
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3199819/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2647178/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink03-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  1 16:46 /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/2647178/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2647178/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='2b5ca7fe24dd401a94aaf16a348d8d9e'
-  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='3199819'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=271640b854fd4456a5b0f9f73dedac2a
+  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=2647178
   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.07phjYyI/pbuilderrc_1B9b --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.07phjYyI/b1 --logfile b1/build.log wmanager_0.3.1-3.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.07phjYyI/pbuilderrc_YiKQ --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.07phjYyI/b2 --logfile b2/build.log wmanager_0.3.1-3.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 codethink04-arm64 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3199819/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2647178/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -254,7 +286,7 @@
 Get: 132 http://deb.debian.org/debian unstable/main arm64 xkb-data all 2.42-1 [790 kB]
 Get: 133 http://deb.debian.org/debian unstable/main arm64 xserver-common all 2:21.1.16-1 [2409 kB]
 Get: 134 http://deb.debian.org/debian unstable/main arm64 xvfb arm64 2:21.1.16-1 [3122 kB]
-Fetched 84.0 MB in 1s (153 MB/s)
+Fetched 84.0 MB in 1s (146 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal: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 ... 19892 files and directories currently installed.)
@@ -702,8 +734,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Feb 27 10:23:02 UTC 2025.
-Universal Time is now:  Thu Feb 27 10:23:02 UTC 2025.
+Local time is now:      Wed Apr  1 16:47:21 UTC 2026.
+Universal Time is now:  Wed Apr  1 16:47:21 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libxcb-present0:arm64 (1.17.0-2+b1) ...
@@ -824,7 +856,11 @@
 fakeroot is already the newest version (1.37-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/wmanager-0.3.1/ && 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  > ../wmanager_0.3.1-3_source.changes
+I: user script /srv/workspace/pbuilder/2647178/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/2647178/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/wmanager-0.3.1/ && 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  > ../wmanager_0.3.1-3_source.changes
 dpkg-buildpackage: info: source package wmanager
 dpkg-buildpackage: info: source version 0.3.1-3
 dpkg-buildpackage: info: source distribution unstable
@@ -866,15 +902,15 @@
 [ -n "$(command -v xev)" ]
 [ -n "$(command -v cnee)" ]
 env PATH="$(pwd):$PATH" xvfb-run -a -- tests/wmseq
-Creating a temporary homedir at /tmp/tmp35oc2dsb/home
+Creating a temporary homedir at /tmp/tmp65bcadrj/home
 Running a wmanager test, click_dy 8
 about to spawn xev
 Spawning a child process: xev -root
-- spawned child pid 3206082
+- spawned child pid 2675565
 sleeping for a little while
 about to spawn wmanager
-Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp35oc2dsb/home/.wmanagerrc
-- spawned child pid 3206753
+Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp65bcadrj/home/.wmanagerrc
+- spawned child pid 2675601
 polling
 Events: [(4, 1)]
 whee, got something for xev
@@ -944,18 +980,18 @@
 - wmanager exited with code 0
 
 Checking for any remaining child processes
-- child 'xev' pid 3206082
+- child 'xev' pid 2675565
   - trying to terminate the child
 xev event DestroyNotify, ignored
 wmanager told us ['firstwm']
 Running a wmanager test, click_dy 16
 about to spawn xev
 Spawning a child process: xev -root
-- spawned child pid 3207389
+- spawned child pid 2675800
 sleeping for a little while
 about to spawn wmanager
-Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp35oc2dsb/home/.wmanagerrc
-- spawned child pid 3207415
+Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp65bcadrj/home/.wmanagerrc
+- spawned child pid 2675815
 polling
 Events: [(4, 1)]
 whee, got something for xev
@@ -969,6 +1005,9 @@
 - look_for_first('xwininfo: Window id: 0x400001 (has no name)')
 - no window title, not ours
 Apparently not an interesting window at all
+polling
+Events: [(4, 1)]
+whee, got something for xev
 xev event CreateNotify
 - shape line: ''
 - look_for_first('')
@@ -1025,18 +1064,18 @@
 - wmanager exited with code 0
 
 Checking for any remaining child processes
-- child 'xev' pid 3207389
+- child 'xev' pid 2675800
   - trying to terminate the child
 xev event DestroyNotify, ignored
 wmanager told us ['firstwm']
 Running a wmanager test, click_dy 24
 about to spawn xev
 Spawning a child process: xev -root
-- spawned child pid 3207721
+- spawned child pid 2675927
 sleeping for a little while
 about to spawn wmanager
-Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp35oc2dsb/home/.wmanagerrc
-- spawned child pid 3207796
+Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp65bcadrj/home/.wmanagerrc
+- spawned child pid 2676002
 polling
 Events: [(4, 1)]
 whee, got something for xev
@@ -1050,6 +1089,9 @@
 - look_for_first('xwininfo: Window id: 0x400001 (has no name)')
 - no window title, not ours
 Apparently not an interesting window at all
+polling
+Events: [(4, 1)]
+whee, got something for xev
 xev event CreateNotify
 - shape line: ''
 - look_for_first('')
@@ -1106,18 +1148,18 @@
 - wmanager exited with code 0
 
 Checking for any remaining child processes
-- child 'xev' pid 3207721
+- child 'xev' pid 2675927
   - trying to terminate the child
 xev event DestroyNotify, ignored
 wmanager told us ['/path/to/secondwm']
 Running a wmanager test, click_dy 32
 about to spawn xev
 Spawning a child process: xev -root
-- spawned child pid 3208299
+- spawned child pid 2676255
 sleeping for a little while
 about to spawn wmanager
-Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp35oc2dsb/home/.wmanagerrc
-- spawned child pid 3208454
+Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp65bcadrj/home/.wmanagerrc
+- spawned child pid 2676312
 polling
 Events: [(4, 1)]
 whee, got something for xev
@@ -1131,6 +1173,9 @@
 - look_for_first('xwininfo: Window id: 0x400001 (has no name)')
 - no window title, not ours
 Apparently not an interesting window at all
+polling
+Events: [(4, 1)]
+whee, got something for xev
 xev event CreateNotify
 - shape line: ''
 - look_for_first('')
@@ -1187,18 +1232,18 @@
 - wmanager exited with code 0
 
 Checking for any remaining child processes
-- child 'xev' pid 3208299
+- child 'xev' pid 2676255
   - trying to terminate the child
 xev event DestroyNotify, ignored
 wmanager told us ['/path/to/secondwm']
 Running a wmanager test, click_dy 40
 about to spawn xev
 Spawning a child process: xev -root
-- spawned child pid 3209184
+- spawned child pid 2676540
 sleeping for a little while
 about to spawn wmanager
-Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp35oc2dsb/home/.wmanagerrc
-- spawned child pid 3209370
+Spawning a child process: wmanager -title wmanager-test-wm -r/tmp/tmp65bcadrj/home/.wmanagerrc
+- spawned child pid 2676578
 polling
 Events: [(4, 1)]
 whee, got something for xev
@@ -1212,6 +1257,9 @@
 - look_for_first('xwininfo: Window id: 0x400001 (has no name)')
 - no window title, not ours
 Apparently not an interesting window at all
+polling
+Events: [(4, 1)]
+whee, got something for xev
 xev event CreateNotify
 - shape line: ''
 - look_for_first('')
@@ -1268,7 +1316,7 @@
 - wmanager exited with code 0
 
 Checking for any remaining child processes
-- child 'xev' pid 3209184
+- child 'xev' pid 2676540
   - trying to terminate the child
 xev event DestroyNotify, ignored
 wmanager told us ["something with 'special' characters, maybe?"]
@@ -1329,12 +1377,14 @@
 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/2647178/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2647178/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/3199819 and its subdirectories
-I: Current time: Wed Feb 26 22:23:48 -12 2025
-I: pbuilder-time-stamp: 1740651828
+I: removing directory /srv/workspace/pbuilder/2647178 and its subdirectories
+I: Current time: Thu Apr  2 06:48:10 +14 2026
+I: pbuilder-time-stamp: 1775062090