Diff of the two buildlogs:

--
--- b1/build.log	2024-12-25 15:47:32.512924053 +0000
+++ b2/build.log	2024-12-25 16:03:10.150285351 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Dec 25 03:26:00 -12 2024
-I: pbuilder-time-stamp: 1735140360
+I: Current time: Thu Dec 26 05:48:50 +14 2024
+I: pbuilder-time-stamp: 1735141730
 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: unpacking textual_1.0.0-1.debian.tar.xz
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/25099/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/27118/tmp/hooks/D01_modify_environment starting
+debug: Running on virt64z.
+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 Dec 25 15:49 /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/27118/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/27118/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='efbd6d810105439fa3682c5fb446afa7'
-  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='25099'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=ecc0e0fd3d2340a1a51f0109855b57c4
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=27118
   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.qY5WyojM/pbuilderrc_tlBP --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.qY5WyojM/b1 --logfile b1/build.log textual_1.0.0-1.dsc'
-  SUDO_GID='112'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.qY5WyojM/pbuilderrc_z4Ry --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.qY5WyojM/b2 --logfile b2/build.log textual_1.0.0-1.dsc'
+  SUDO_GID=110
+  SUDO_UID=103
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt32b 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-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 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/25099/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/27118/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -263,7 +295,7 @@
 Get: 131 http://deb.debian.org/debian trixie/main armhf python3-pytest-xdist all 3.6.1-1 [44.4 kB]
 Get: 132 http://deb.debian.org/debian trixie/main armhf python3-rich all 13.7.1-1 [201 kB]
 Get: 133 http://deb.debian.org/debian trixie/main armhf python3-syrupy all 4.8.0-1 [53.5 kB]
-Fetched 41.8 MB in 3s (13.0 MB/s)
+Fetched 41.8 MB in 4s (11.5 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libpython3.12-minimal:armhf.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
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(Reading database ... 45%
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(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19681 files and directories currently installed.)
@@ -697,8 +729,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Wed Dec 25 15:28:01 UTC 2024.
-Universal Time is now:  Wed Dec 25 15:28:01 UTC 2024.
+Local time is now:      Wed Dec 25 15:49:40 UTC 2024.
+Universal Time is now:  Wed Dec 25 15:49:40 UTC 2024.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libpython3.13-minimal:armhf (3.13.1-2) ...
@@ -836,7 +868,11 @@
 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/textual-1.0.0/ && 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  > ../textual_1.0.0-1_source.changes
+I: user script /srv/workspace/pbuilder/27118/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/27118/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/textual-1.0.0/ && 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  > ../textual_1.0.0-1_source.changes
 dpkg-buildpackage: info: source package textual
 dpkg-buildpackage: info: source version 1.0.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -873,7 +909,7 @@
 rootdir: /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.13_textual/build
 configfile: pyproject.toml
 testpaths: tests
-plugins: syrupy-4.8.0, xdist-3.6.1, asyncio-0.24.0a1, typeguard-4.4.1
+plugins: xdist-3.6.1, asyncio-0.24.0a1, typeguard-4.4.1, syrupy-4.8.0
 asyncio: mode=Mode.AUTO, default_loop_scope=function
 collecting ... collected 2730 items / 7 deselected / 2723 selected
 
@@ -3614,14 +3650,14 @@
 tests/workers/test_worker_manager.py::test_run_worker_thread_async PASSED [100%]
 
 =============================== warnings summary ===============================
-tests/test_reactive.py::test_mutate_reactive
-  /usr/lib/python3/dist-packages/rich/style.py:151: RuntimeWarning: coroutine 'test_async_reactive_watch_callbacks_go_on_the_watcher.<locals>.MyApp.callback' was never awaited
-    self._set_attributes = sum(
+tests/test_reactive.py::test_sync_reactive_watch_callbacks_go_on_the_watcher
+  /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.13_textual/build/textual/css/tokenizer.py:264: RuntimeWarning: coroutine 'test_async_reactive_watch_callbacks_go_on_the_watcher.<locals>.MyApp.callback' was never awaited
+    for name, value in zip(expect.names, iter_groups):
   Enable tracemalloc to get traceback where the object was allocated.
   See https://docs.pytest.org/en/stable/how-to/capture-warnings.html#resource-warnings for more info.
 
 -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
-= 2718 passed, 1 skipped, 7 deselected, 4 xfailed, 1 warning in 412.91s (0:06:52) =
+= 2718 passed, 1 skipped, 7 deselected, 4 xfailed, 1 warning in 282.62s (0:04:42) =
 I: pybuild base:311: cd /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.12_textual/build; python3.12 -m pytest -x -vvv -m "not syntax" --ignore=tests/test_features.py --ignore=tests/command_palette --ignore=tests/snapshot_tests -k "not test_footer_highlight_when_pushing_modal and not test_softbreak_split_links_rendered_correctly and not test_headings_that_look_like_they_contain_markup and not test_screen_stack_preserved and not test_clicking_outside_command_palette_closes_it and not test_command_source_environment and not test_escape_closes_when_no_list_visible and not test_register_language"
 ============================= test session starts ==============================
 platform linux -- Python 3.12.8, pytest-8.3.3, pluggy-1.5.0 -- /usr/bin/python3.12
@@ -3629,7 +3665,7 @@
 rootdir: /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.12_textual/build
 configfile: pyproject.toml
 testpaths: tests
-plugins: syrupy-4.8.0, xdist-3.6.1, asyncio-0.24.0a1, typeguard-4.4.1
+plugins: xdist-3.6.1, asyncio-0.24.0a1, typeguard-4.4.1, syrupy-4.8.0
 asyncio: mode=Mode.AUTO, default_loop_scope=function
 collecting ... collected 2730 items / 7 deselected / 2723 selected
 
@@ -6370,14 +6406,14 @@
 tests/workers/test_worker_manager.py::test_run_worker_thread_async PASSED [100%]
 
 =============================== warnings summary ===============================
-tests/test_reactive.py::test_sync_reactive_watch_callbacks_go_on_the_watcher
-  /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.12_textual/build/textual/cache.py:226: RuntimeWarning: coroutine 'test_async_reactive_watch_callbacks_go_on_the_watcher.<locals>.MyApp.callback' was never awaited
-    def __init__(self, maxsize: int) -> None:
+tests/test_screen_modes.py::test_switch_mode
+  /build/reproducible-path/textual-1.0.0/.pybuild/cpython3_3.12_textual/build/textual/dom.py:845: RuntimeWarning: coroutine 'test_async_reactive_watch_callbacks_go_on_the_watcher.<locals>.MyApp.callback' was never awaited
+    *(f".{class_name}" for class_name in self._classes),
   Enable tracemalloc to get traceback where the object was allocated.
   See https://docs.pytest.org/en/stable/how-to/capture-warnings.html#resource-warnings for more info.
 
 -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
-= 2718 passed, 1 skipped, 7 deselected, 4 xfailed, 1 warning in 452.37s (0:07:32) =
+= 2718 passed, 1 skipped, 7 deselected, 4 xfailed, 1 warning in 379.64s (0:06:19) =
    create-stamp debian/debhelper-build-stamp
  fakeroot debian/rules binary
 dh binary --with python3 --buildsystem=pybuild
@@ -6428,12 +6464,14 @@
 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/27118/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/27118/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/25099 and its subdirectories
-I: Current time: Wed Dec 25 03:47:20 -12 2024
-I: pbuilder-time-stamp: 1735141640
+I: removing directory /srv/workspace/pbuilder/27118 and its subdirectories
+I: Current time: Thu Dec 26 06:03:05 +14 2024
+I: pbuilder-time-stamp: 1735142585