Diff of the two buildlogs:

--
--- b1/build.log	2025-01-13 00:42:29.082062283 +0000
+++ b2/build.log	2025-01-13 00:43:19.823750505 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Feb 14 19:04:45 -12 2026
-I: pbuilder-time-stamp: 1771139085
+I: Current time: Mon Jan 13 14:42:31 +14 2025
+I: pbuilder-time-stamp: 1736728951
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying py312-syntax-warning.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1287074/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2489011/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 13 00:42 /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/2489011/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2489011/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='65f310587d584f66b877023e717412b9'
-  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='1287074'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=70bdbd97efde45a7a3f2edc90c63889f
+  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=2489011
   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.V5Za1M21/pbuilderrc_HrvB --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.V5Za1M21/b1 --logfile b1/build.log pyspf_2.0.14-5.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.V5Za1M21/pbuilderrc_yNH4 --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.V5Za1M21/b2 --logfile b2/build.log pyspf_2.0.14-5.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 codethink01-arm64 6.1.0-29-cloud-arm64 #1 SMP Debian 6.1.123-1 (2025-01-02) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-29-cloud-arm64 #1 SMP Debian 6.1.123-1 (2025-01-02) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1287074/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2489011/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -203,7 +235,7 @@
 Get: 79 http://deb.debian.org/debian unstable/main arm64 python3-authres all 1.2.0-4 [19.5 kB]
 Get: 80 http://deb.debian.org/debian unstable/main arm64 python3-dns all 4.0.2-3 [34.5 kB]
 Get: 81 http://deb.debian.org/debian unstable/main arm64 python3-yaml arm64 6.0.2-1+b1 [148 kB]
-Fetched 33.9 MB in 0s (121 MB/s)
+Fetched 33.9 MB in 0s (171 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 ... 19963 files and directories currently installed.)
@@ -482,8 +514,8 @@
 Setting up tzdata (2024b-5) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Feb 15 07:05:03 UTC 2026.
-Universal Time is now:  Sun Feb 15 07:05:03 UTC 2026.
+Local time is now:      Mon Jan 13 00:42:49 UTC 2025.
+Universal Time is now:  Mon Jan 13 00:42:49 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -561,7 +593,11 @@
 fakeroot is already the newest version (1.36.2-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/pyspf-2.0.14/ && 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  > ../pyspf_2.0.14-5_source.changes
+I: user script /srv/workspace/pbuilder/2489011/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/2489011/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pyspf-2.0.14/ && 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  > ../pyspf_2.0.14-5_source.changes
 dpkg-buildpackage: info: source package pyspf
 dpkg-buildpackage: info: source version 2.0.14-5
 dpkg-buildpackage: info: source distribution unstable
@@ -625,7 +661,7 @@
 I: pybuild base:311: cd /build/reproducible-path/pyspf-2.0.14/.pybuild/cpython3_3.12/build; cd test && python3.12 testspf.py
 ............................................................................................................................................................................................................................................................................................................................................................................................................................................
 ----------------------------------------------------------------------
-Ran 428 tests in 0.046s
+Ran 428 tests in 0.048s
 
 OK
 WARN: spfonly in rfc4408-tests.yml, 4.4/1: fail preferred to none
@@ -641,7 +677,7 @@
 I: pybuild base:311: cd /build/reproducible-path/pyspf-2.0.14/.pybuild/cpython3_3.13/build; cd test && python3.13 testspf.py
 ............................................................................................................................................................................................................................................................................................................................................................................................................................................
 ----------------------------------------------------------------------
-Ran 428 tests in 0.043s
+Ran 428 tests in 0.042s
 
 OK
 WARN: spfonly in rfc4408-tests.yml, 4.4/1: fail preferred to none
@@ -703,12 +739,12 @@
 rm /build/reproducible-path/pyspf-2.0.14/changelog
 make[1]: Leaving directory '/build/reproducible-path/pyspf-2.0.14'
    dh_installchangelogs -O--buildsystem=pybuild
-	install -m0755 -d debian/python3-spf/usr/share/doc/python3-spf
-	install -p -m0644 debian/.debhelper/generated/python3-spf/dh_installchangelogs.dch.trimmed debian/python3-spf/usr/share/doc/python3-spf/changelog.Debian
-	install -p -m0644 ./CHANGELOG debian/python3-spf/usr/share/doc/python3-spf/changelog
 	install -m0755 -d debian/spf-tools-python/usr/share/doc/spf-tools-python
 	install -p -m0644 debian/.debhelper/generated/spf-tools-python/dh_installchangelogs.dch.trimmed debian/spf-tools-python/usr/share/doc/spf-tools-python/changelog.Debian
 	install -p -m0644 ./CHANGELOG debian/spf-tools-python/usr/share/doc/spf-tools-python/changelog
+	install -m0755 -d debian/python3-spf/usr/share/doc/python3-spf
+	install -p -m0644 debian/.debhelper/generated/python3-spf/dh_installchangelogs.dch.trimmed debian/python3-spf/usr/share/doc/python3-spf/changelog.Debian
+	install -p -m0644 ./CHANGELOG debian/python3-spf/usr/share/doc/python3-spf/changelog
    dh_installman -O--buildsystem=pybuild
 	install -m0755 -d debian/spf-tools-python/usr/share/man/man1/
 	install -p -m0644 ./debian/pyspf-type99.1 debian/spf-tools-python/usr/share/man/man1/pyspf-type99.1
@@ -760,8 +796,8 @@
    dh_compress -O--buildsystem=pybuild
 	cd debian/python3-spf
 	cd debian/spf-tools-python
-	chmod a-x usr/share/doc/spf-tools-python/changelog usr/share/doc/spf-tools-python/changelog.Debian usr/share/man/man1/pyspf-type99.1 usr/share/man/man1/pyspf.1 usr/share/man/man1/spfquery.pyspf.1
 	chmod a-x usr/share/doc/python3-spf/README.md usr/share/doc/python3-spf/changelog usr/share/doc/python3-spf/changelog.Debian usr/share/doc/python3-spf/rfc4408-tests.yml usr/share/doc/python3-spf/rfc7208-tests.yml usr/share/doc/python3-spf/test.yml usr/share/doc/python3-spf/testspf.py
+	chmod a-x usr/share/doc/spf-tools-python/changelog usr/share/doc/spf-tools-python/changelog.Debian usr/share/man/man1/pyspf-type99.1 usr/share/man/man1/pyspf.1 usr/share/man/man1/spfquery.pyspf.1
 	gzip -9nf usr/share/doc/python3-spf/README.md usr/share/doc/python3-spf/changelog usr/share/doc/python3-spf/changelog.Debian usr/share/doc/python3-spf/rfc4408-tests.yml usr/share/doc/python3-spf/rfc7208-tests.yml usr/share/doc/python3-spf/test.yml usr/share/doc/python3-spf/testspf.py
 	gzip -9nf usr/share/doc/spf-tools-python/changelog usr/share/doc/spf-tools-python/changelog.Debian usr/share/man/man1/pyspf-type99.1 usr/share/man/man1/pyspf.1 usr/share/man/man1/spfquery.pyspf.1
 	cd '/build/reproducible-path/pyspf-2.0.14'
@@ -769,8 +805,8 @@
    dh_fixperms -O--buildsystem=pybuild
 	find debian/python3-spf ! -type l -a -true -a -true -print0 2>/dev/null | xargs -0r chmod go=rX,u+rw,a-s
 	find debian/spf-tools-python ! -type l -a -true -a -true -print0 2>/dev/null | xargs -0r chmod go=rX,u+rw,a-s
-	find debian/spf-tools-python/usr/share/doc -type f -a -true -a ! -regex 'debian/spf-tools-python/usr/share/doc/[^/]*/examples/.*' -print0 2>/dev/null | xargs -0r chmod 0644
 	find debian/python3-spf/usr/share/doc -type f -a -true -a ! -regex 'debian/python3-spf/usr/share/doc/[^/]*/examples/.*' -print0 2>/dev/null | xargs -0r chmod 0644
+	find debian/spf-tools-python/usr/share/doc -type f -a -true -a ! -regex 'debian/spf-tools-python/usr/share/doc/[^/]*/examples/.*' -print0 2>/dev/null | xargs -0r chmod 0644
 	find debian/spf-tools-python/usr/share/doc -type d -a -true -a -true -print0 2>/dev/null | xargs -0r chmod 0755
 	find debian/python3-spf/usr/share/doc -type d -a -true -a -true -print0 2>/dev/null | xargs -0r chmod 0755
 	find debian/spf-tools-python/usr/share/man -type f -a -true -a -true -print0 2>/dev/null | xargs -0r chmod 0644
@@ -813,23 +849,23 @@
 	[META] Replace #TOKEN#s in "debian/spf-tools-python/DEBIAN/prerm"
 	chmod 0755 -- debian/spf-tools-python/DEBIAN/prerm
    dh_gencontrol -O--buildsystem=pybuild
-	install -m0755 -d debian/spf-tools-python/DEBIAN
-	echo misc:Depends= >> debian/spf-tools-python.substvars
-	echo misc:Pre-Depends= >> debian/spf-tools-python.substvars
-	dpkg-gencontrol -pspf-tools-python -ldebian/changelog -Tdebian/spf-tools-python.substvars -cdebian/control -Pdebian/spf-tools-python
 	install -m0755 -d debian/python3-spf/DEBIAN
 	echo misc:Depends= >> debian/python3-spf.substvars
 	echo misc:Pre-Depends= >> debian/python3-spf.substvars
 	dpkg-gencontrol -ppython3-spf -ldebian/changelog -Tdebian/python3-spf.substvars -cdebian/control -Pdebian/python3-spf
-	chmod 0644 -- debian/spf-tools-python/DEBIAN/control
+	install -m0755 -d debian/spf-tools-python/DEBIAN
+	echo misc:Depends= >> debian/spf-tools-python.substvars
+	echo misc:Pre-Depends= >> debian/spf-tools-python.substvars
+	dpkg-gencontrol -pspf-tools-python -ldebian/changelog -Tdebian/spf-tools-python.substvars -cdebian/control -Pdebian/spf-tools-python
 	chmod 0644 -- debian/python3-spf/DEBIAN/control
+	chmod 0644 -- debian/spf-tools-python/DEBIAN/control
    dh_md5sums -O--buildsystem=pybuild
-	install -m0755 -d debian/spf-tools-python/DEBIAN
 	install -m0755 -d debian/python3-spf/DEBIAN
+	install -m0755 -d debian/spf-tools-python/DEBIAN
 	cd debian/python3-spf >/dev/null && xargs -r0 md5sum | perl -pe 'if (s@^\\@@) { s/\\\\/\\/g; }' > DEBIAN/md5sums
 	cd debian/spf-tools-python >/dev/null && xargs -r0 md5sum | perl -pe 'if (s@^\\@@) { s/\\\\/\\/g; }' > DEBIAN/md5sums
-	chmod 0644 -- debian/spf-tools-python/DEBIAN/md5sums
 	chmod 0644 -- debian/python3-spf/DEBIAN/md5sums
+	chmod 0644 -- debian/spf-tools-python/DEBIAN/md5sums
    dh_builddeb -O--buildsystem=pybuild
 	dpkg-deb --root-owner-group --build debian/python3-spf ..
 	dpkg-deb --root-owner-group --build debian/spf-tools-python ..
@@ -843,12 +879,14 @@
 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/2489011/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2489011/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/1287074 and its subdirectories
-I: Current time: Sat Feb 14 19:05:27 -12 2026
-I: pbuilder-time-stamp: 1771139127
+I: removing directory /srv/workspace/pbuilder/2489011 and its subdirectories
+I: Current time: Mon Jan 13 14:43:18 +14 2025
+I: pbuilder-time-stamp: 1736728998