Diff of the two buildlogs:

--
--- b1/build.log	2025-01-11 19:00:18.244042672 +0000
+++ b2/build.log	2025-01-11 19:02:13.914734841 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Jan 11 06:56:58 -12 2025
-I: pbuilder-time-stamp: 1736621818
+I: Current time: Sat Feb 14 15:23:45 +14 2026
+I: pbuilder-time-stamp: 1771032225
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -23,54 +23,86 @@
 dpkg-source: info: unpacking impass_0.14.1-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/38552/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/121042/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-i386.
+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 14 01:24 /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/121042/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/121042/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='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=11 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='i386'
+  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]="i686-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=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=21 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='46f164166ca14724856636c6815f5493'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  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='38552'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=eece7ba4d5004f0b9e32ebe40310e915
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-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=121042
   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.7gC7005t/pbuilderrc_mgcK --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.7gC7005t/b1 --logfile b1/build.log impass_0.14.1-1.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  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.7gC7005t/pbuilderrc_JYHW --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.7gC7005t/b2 --logfile b2/build.log impass_0.14.1-1.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos12-i386 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/38552/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/121042/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -207,7 +239,7 @@
 Get: 83 http://deb.debian.org/debian unstable/main i386 pkgconf i386 1.8.1-4 [26.2 kB]
 Get: 84 http://deb.debian.org/debian unstable/main i386 python3-gpg i386 1.24.1-2 [432 kB]
 Get: 85 http://deb.debian.org/debian unstable/main i386 txt2man all 1.7.1-4 [35.4 kB]
-Fetched 36.4 MB in 1s (30.8 MB/s)
+Fetched 36.4 MB in 1s (30.6 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package readline-common.
 (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 ... 19835 files and directories currently installed.)
@@ -499,8 +531,8 @@
 Setting up tzdata (2024b-5) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sat Jan 11 18:58:47 UTC 2025.
-Universal Time is now:  Sat Jan 11 18:58:47 UTC 2025.
+Local time is now:      Sat Feb 14 01:24:50 UTC 2026.
+Universal Time is now:  Sat Feb 14 01:24:50 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -575,7 +607,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/impass-0.14.1/ && 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  > ../impass_0.14.1-1_source.changes
+I: user script /srv/workspace/pbuilder/121042/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/121042/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/impass-0.14.1/ && 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  > ../impass_0.14.1-1_source.changes
 dpkg-buildpackage: info: source package impass
 dpkg-buildpackage: info: source version 0.14.1-1
 dpkg-buildpackage: info: source distribution unstable
@@ -605,15 +641,15 @@
 running build_py
 creating /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
 copying impass/db.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
-copying impass/version.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
 copying impass/gui.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
-copying impass/__init__.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
+copying impass/version.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
 copying impass/__main__.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
+copying impass/__init__.py -> /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass
    debian/rules override_dh_auto_test
 make[1]: Entering directory '/build/reproducible-path/impass-0.14.1'
 make test
 make[2]: Entering directory '/build/reproducible-path/impass-0.14.1'
-/bin/sh: 1: git: not found
+/bin/sh: line 1: git: command not found
 ./test/impass-test 
 INFO: using 1 minute timeout for tests
 gpg: keybox '/build/reproducible-path/impass-0.14.1/test/./gnupg/pubring.kbx' created
@@ -693,15 +729,15 @@
 creating /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages
 creating /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
 copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/db.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
-copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/version.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
 copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/gui.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
-copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/__init__.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
+copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/version.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
 copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/__main__.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
+copying /build/reproducible-path/impass-0.14.1/.pybuild/cpython3_3.13_impass/build/impass/__init__.py -> /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass
 byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/db.py to db.cpython-313.pyc
-byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/version.py to version.cpython-313.pyc
 byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/gui.py to gui.cpython-313.pyc
-byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/__init__.py to __init__.cpython-313.pyc
+byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/version.py to version.cpython-313.pyc
 byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/__main__.py to __main__.cpython-313.pyc
+byte-compiling /build/reproducible-path/impass-0.14.1/debian/impass/usr/lib/python3.13/dist-packages/impass/__init__.py to __init__.cpython-313.pyc
 running install_egg_info
 running egg_info
 creating impass.egg-info
@@ -725,7 +761,7 @@
 make[1]: Entering directory '/build/reproducible-path/impass-0.14.1'
 make impass.1
 make[2]: Entering directory '/build/reproducible-path/impass-0.14.1'
-/bin/sh: 1: git: not found
+/bin/sh: line 1: git: command not found
 PYTHONPATH=. python3 -m impass help \
 | txt2man -t impass -r 'impass ' -s 1 \
 > impass.1
@@ -752,12 +788,14 @@
 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/121042/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/121042/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/38552 and its subdirectories
-I: Current time: Sat Jan 11 07:00:16 -12 2025
-I: pbuilder-time-stamp: 1736622016
+I: removing directory /srv/workspace/pbuilder/121042 and its subdirectories
+I: Current time: Sat Feb 14 15:25:12 +14 2026
+I: pbuilder-time-stamp: 1771032312