Diff of the two buildlogs:

--
--- b1/build.log	2025-03-27 22:27:49.828218012 +0000
+++ b2/build.log	2025-03-27 22:32:57.634367154 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Apr 29 16:49:16 -12 2026
-I: pbuilder-time-stamp: 1777524556
+I: Current time: Fri Mar 28 12:27:54 +14 2025
+I: pbuilder-time-stamp: 1743114474
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,52 +25,84 @@
 dpkg-source: info: applying 0002-Replace-pkg_resources-with-importlib_metadata-Closes.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1841139/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3155768/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 Mar 27 22:28 /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/3155768/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3155768/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='a438a3e8c5c543eea1c0a210160bde2d'
-  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='1841139'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=46549f1b8a3944f3b2acce586d2f808f
+  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=3155768
   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.wOheG8bO/pbuilderrc_j5b4 --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.wOheG8bO/b1 --logfile b1/build.log pgzero_1.2.post6+really1.2.1+dfsg-2.dsc'
-  SUDO_GID='110'
-  SUDO_UID='105'
-  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.wOheG8bO/pbuilderrc_tkci --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.wOheG8bO/b2 --logfile b2/build.log pgzero_1.2.post6+really1.2.1+dfsg-2.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 ionos5-amd64 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1841139/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3155768/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -267,7 +299,7 @@
 Get: 147 http://deb.debian.org/debian trixie/main amd64 python3-pluggy all 1.5.0-1 [26.9 kB]
 Get: 148 http://deb.debian.org/debian trixie/main amd64 python3-pygame amd64 2.6.1-1+b2 [1136 kB]
 Get: 149 http://deb.debian.org/debian trixie/main amd64 python3-pytest all 8.3.5-1 [250 kB]
-Fetched 104 MB in 2s (46.0 MB/s)
+Fetched 104 MB in 8s (12.4 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal: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 ... 19806 files and directories currently installed.)
@@ -762,8 +794,8 @@
 Setting up tzdata (2025b-1) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Apr 30 04:50:30 UTC 2026.
-Universal Time is now:  Thu Apr 30 04:50:30 UTC 2026.
+Local time is now:      Thu Mar 27 22:31:16 UTC 2025.
+Universal Time is now:  Thu Mar 27 22:31:16 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libxcb-present0:amd64 (1.17.0-2+b1) ...
@@ -895,7 +927,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/pgzero-1.2.post6+really1.2.1+dfsg/ && 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  > ../pgzero_1.2.post6+really1.2.1+dfsg-2_source.changes
+I: user script /srv/workspace/pbuilder/3155768/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3155768/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pgzero-1.2.post6+really1.2.1+dfsg/ && 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  > ../pgzero_1.2.post6+really1.2.1+dfsg-2_source.changes
 dpkg-buildpackage: info: source package pgzero
 dpkg-buildpackage: info: source version 1.2.post6+really1.2.1+dfsg-2
 dpkg-buildpackage: info: source distribution unstable
@@ -939,24 +975,24 @@
 creating build/lib
 copying pgzrun.py -> build/lib
 creating build/lib/pgzero
-copying pgzero/tone.py -> build/lib/pgzero
+copying pgzero/soundfmt.py -> build/lib/pgzero
+copying pgzero/__init__.py -> build/lib/pgzero
+copying pgzero/constants.py -> build/lib/pgzero
+copying pgzero/animation.py -> build/lib/pgzero
+copying pgzero/rect.py -> build/lib/pgzero
+copying pgzero/game.py -> build/lib/pgzero
+copying pgzero/keyboard.py -> build/lib/pgzero
 copying pgzero/screen.py -> build/lib/pgzero
 copying pgzero/clock.py -> build/lib/pgzero
-copying pgzero/soundfmt.py -> build/lib/pgzero
 copying pgzero/builtins.py -> build/lib/pgzero
-copying pgzero/keyboard.py -> build/lib/pgzero
+copying pgzero/loaders.py -> build/lib/pgzero
 copying pgzero/ptext.py -> build/lib/pgzero
 copying pgzero/runner.py -> build/lib/pgzero
-copying pgzero/__init__.py -> build/lib/pgzero
-copying pgzero/game.py -> build/lib/pgzero
-copying pgzero/constants.py -> build/lib/pgzero
-copying pgzero/spellcheck.py -> build/lib/pgzero
-copying pgzero/actor.py -> build/lib/pgzero
-copying pgzero/rect.py -> build/lib/pgzero
 copying pgzero/music.py -> build/lib/pgzero
 copying pgzero/__main__.py -> build/lib/pgzero
-copying pgzero/loaders.py -> build/lib/pgzero
-copying pgzero/animation.py -> build/lib/pgzero
+copying pgzero/actor.py -> build/lib/pgzero
+copying pgzero/spellcheck.py -> build/lib/pgzero
+copying pgzero/tone.py -> build/lib/pgzero
 running egg_info
 creating pgzero.egg-info
 writing pgzero.egg-info/PKG-INFO
@@ -1023,32 +1059,32 @@
 creating build/bdist.linux-x86_64/wheel
 copying build/lib/pgzrun.py -> build/bdist.linux-x86_64/wheel/.
 creating build/bdist.linux-x86_64/wheel/pgzero
-copying build/lib/pgzero/tone.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/soundfmt.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/__init__.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/constants.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/animation.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/rect.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/game.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/keyboard.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/screen.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/clock.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/soundfmt.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/builtins.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/keyboard.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/loaders.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/ptext.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/runner.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/__init__.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/game.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/constants.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/spellcheck.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/actor.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/rect.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/music.py -> build/bdist.linux-x86_64/wheel/./pgzero
 copying build/lib/pgzero/__main__.py -> build/bdist.linux-x86_64/wheel/./pgzero
 creating build/bdist.linux-x86_64/wheel/pgzero/data
 copying build/lib/pgzero/data/icon.png -> build/bdist.linux-x86_64/wheel/./pgzero/data
 copying build/lib/pgzero/data/joypad.png -> build/bdist.linux-x86_64/wheel/./pgzero/data
-copying build/lib/pgzero/loaders.py -> build/bdist.linux-x86_64/wheel/./pgzero
-copying build/lib/pgzero/animation.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/actor.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/spellcheck.py -> build/bdist.linux-x86_64/wheel/./pgzero
+copying build/lib/pgzero/tone.py -> build/bdist.linux-x86_64/wheel/./pgzero
 running install_egg_info
 Copying pgzero.egg-info to build/bdist.linux-x86_64/wheel/./pgzero-1.2.1.egg-info
 running install_scripts
 creating build/bdist.linux-x86_64/wheel/pgzero-1.2.1.dist-info/WHEEL
-creating '/build/reproducible-path/pgzero-1.2.post6+really1.2.1+dfsg/.pybuild/cpython3_3.13_pgzero/.tmp-tvat_810/pgzero-1.2.1-py3-none-any.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
+creating '/build/reproducible-path/pgzero-1.2.post6+really1.2.1+dfsg/.pybuild/cpython3_3.13_pgzero/.tmp-mumkgypa/pgzero-1.2.1-py3-none-any.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
 adding 'pgzrun.py'
 adding 'pgzero/__init__.py'
 adding 'pgzero/__main__.py'
@@ -1100,9 +1136,6 @@
 test/test_transform_anchor.py ...                                        [100%]
 
 =============================== warnings summary ===============================
-<frozen importlib._bootstrap>:488
-  <frozen importlib._bootstrap>:488: RuntimeWarning: Your system is avx2 capable but pygame was not built with support for it. The performance of some of your blits could be adversely affected. Consider enabling compile time detection with environment variables like PYGAME_DETECT_AVX2=1 if you are compiling without cross compilation.
-
 ../../../../../../usr/lib/python3/dist-packages/pygame/pkgdata.py:25
   /usr/lib/python3/dist-packages/pygame/pkgdata.py:25: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
     from pkg_resources import resource_stream, resource_exists
@@ -1112,7 +1145,7 @@
     player_thread.setDaemon(True)
 
 -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
-======================= 118 passed, 3 warnings in 0.85s ========================
+======================= 118 passed, 2 warnings in 3.76s ========================
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=pybuild
    dh_prep -O--buildsystem=pybuild
@@ -1141,12 +1174,14 @@
 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/3155768/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3155768/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/1841139 and its subdirectories
-I: Current time: Wed Apr 29 16:50:49 -12 2026
-I: pbuilder-time-stamp: 1777524649
+I: removing directory /srv/workspace/pbuilder/3155768 and its subdirectories
+I: Current time: Fri Mar 28 12:32:56 +14 2025
+I: pbuilder-time-stamp: 1743114776