Diff of the two buildlogs:

--
--- b1/build.log	2025-03-20 08:26:20.588021282 +0000
+++ b2/build.log	2025-03-20 08:32:09.288379033 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Apr 22 02:47:37 -12 2026
-I: pbuilder-time-stamp: 1776869257
+I: Current time: Thu Mar 20 22:26:23 +14 2025
+I: pbuilder-time-stamp: 1742459183
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -24,52 +24,84 @@
 dpkg-source: info: applying 0001-Remove-badges.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3273392/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1839591/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 20 08:26 /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/1839591/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1839591/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='unstable'
-  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=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='833f2509810449c4aeff45997daa27e0'
-  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='3273392'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=8b926ccccbe84c26bc49d8b8837f7881
+  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=1839591
   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.iGh8mymN/pbuilderrc_jJFk --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.iGh8mymN/b1 --logfile b1/build.log aiohttp-asyncmdnsresolver_0.1.1-2.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  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.iGh8mymN/pbuilderrc_hghe --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.iGh8mymN/b2 --logfile b2/build.log aiohttp-asyncmdnsresolver_0.1.1-2.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 ionos15-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/3273392/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1839591/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -260,7 +292,7 @@
 Get: 125 http://deb.debian.org/debian unstable/main amd64 towncrier all 24.8.0-2 [57.2 kB]
 Get: 126 http://deb.debian.org/debian unstable/main amd64 python3-sphinxcontrib-towncrier all 0.4.0a0-3 [11.2 kB]
 Get: 127 http://deb.debian.org/debian unstable/main amd64 python3-zeroconf all 0.146.1-1 [81.0 kB]
-Fetched 42.7 MB in 7s (6216 kB/s)
+Fetched 42.7 MB in 3s (16.0 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 ... 19784 files and directories currently installed.)
@@ -671,8 +703,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Wed Apr 22 14:48:36 UTC 2026.
-Universal Time is now:  Wed Apr 22 14:48:36 UTC 2026.
+Local time is now:      Thu Mar 20 08:29:08 UTC 2025.
+Universal Time is now:  Thu Mar 20 08:29:08 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -805,7 +837,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/ && 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  > ../aiohttp-asyncmdnsresolver_0.1.1-2_source.changes
+I: user script /srv/workspace/pbuilder/1839591/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1839591/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/ && 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  > ../aiohttp-asyncmdnsresolver_0.1.1-2_source.changes
 dpkg-buildpackage: info: source package aiohttp-asyncmdnsresolver
 dpkg-buildpackage: info: source version 0.1.1-2
 dpkg-buildpackage: info: source distribution unstable
@@ -833,8 +869,8 @@
 running build_py
 creating build/lib/aiohttp_asyncmdnsresolver
 copying src/aiohttp_asyncmdnsresolver/api.py -> build/lib/aiohttp_asyncmdnsresolver
-copying src/aiohttp_asyncmdnsresolver/_impl.py -> build/lib/aiohttp_asyncmdnsresolver
 copying src/aiohttp_asyncmdnsresolver/__init__.py -> build/lib/aiohttp_asyncmdnsresolver
+copying src/aiohttp_asyncmdnsresolver/_impl.py -> build/lib/aiohttp_asyncmdnsresolver
 running egg_info
 creating src/aiohttp_asyncmdnsresolver.egg-info
 writing src/aiohttp_asyncmdnsresolver.egg-info/PKG-INFO
@@ -863,14 +899,14 @@
 creating build/bdist.linux-x86_64/wheel
 creating build/bdist.linux-x86_64/wheel/aiohttp_asyncmdnsresolver
 copying build/lib/aiohttp_asyncmdnsresolver/api.py -> build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver
+copying build/lib/aiohttp_asyncmdnsresolver/__init__.py -> build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver
 copying build/lib/aiohttp_asyncmdnsresolver/py.typed -> build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver
 copying build/lib/aiohttp_asyncmdnsresolver/_impl.py -> build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver
-copying build/lib/aiohttp_asyncmdnsresolver/__init__.py -> build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver
 running install_egg_info
 Copying src/aiohttp_asyncmdnsresolver.egg-info to build/bdist.linux-x86_64/wheel/./aiohttp_asyncmdnsresolver-0.1.1.egg-info
 running install_scripts
 creating build/bdist.linux-x86_64/wheel/aiohttp_asyncmdnsresolver-0.1.1.dist-info/WHEEL
-creating '/build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/.pybuild/cpython3_3.13/.tmp-xj5zbm6u/aiohttp_asyncmdnsresolver-0.1.1-py3-none-any.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
+creating '/build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/.pybuild/cpython3_3.13/.tmp-5io_7jl2/aiohttp_asyncmdnsresolver-0.1.1-py3-none-any.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
 adding 'aiohttp_asyncmdnsresolver/__init__.py'
 adding 'aiohttp_asyncmdnsresolver/_impl.py'
 adding 'aiohttp_asyncmdnsresolver/api.py'
@@ -888,11 +924,11 @@
 loading translations [en]... done
 making output directory... done
 loading intersphinx inventory 'python' from https://docs.python.org/3/objects.inv ...
-loading intersphinx inventory 'aiohttp' from https://docs.aiohttp.org/en/stable/objects.inv ...
 WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'https://docs.python.org/3/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7fa784684c20>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
+intersphinx inventory 'https://docs.python.org/3/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0ea9eecec0>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
+loading intersphinx inventory 'aiohttp' from https://docs.aiohttp.org/en/stable/objects.inv ...
 WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'https://docs.aiohttp.org/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.aiohttp.org', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7fa7847d2850>: Failed to resolve 'docs.aiohttp.org' ([Errno -3] Temporary failure in name resolution)"))
+intersphinx inventory 'https://docs.aiohttp.org/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.aiohttp.org', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f0ea9f2d810>: Failed to resolve 'docs.aiohttp.org' ([Errno -3] Temporary failure in name resolution)"))
 myst v4.0.1: MdParserConfig(commonmark_only=False, gfm_only=False, enable_extensions=set(), disable_syntax=[], all_links_external=False, links_external_new_tab=False, url_schemes=('http', 'https', 'mailto', 'ftp'), ref_domains=None, fence_as_directive=set(), number_code_blocks=[], title_to_header=False, heading_anchors=0, heading_slug_func=None, html_meta={}, footnote_sort=True, footnote_transition=True, words_per_minute=200, substitutions={}, linkify_fuzzy_links=True, dmath_allow_labels=True, dmath_allow_space=True, dmath_allow_digits=True, dmath_double_inline=False, update_mathjax=True, mathjax_classes='tex2jax_process|mathjax_process|math|output_area', enable_checkboxes=False, suppress_warnings=[], highlight_code_blocks=True)
 building [mo]: targets for 0 po files that are out of date
 writing output... 
@@ -910,9 +946,9 @@
 preparing documents... done
 copying assets... 
 copying static files... 
-Writing evaluated template result to /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/docs/_build/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/docs/_build/html/_static/language_data.js
 Writing evaluated template result to /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/docs/_build/html/_static/basic.css
+Writing evaluated template result to /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/docs/_build/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/docs/_build/html/_static/alabaster.css
 copying static files: done
 copying extra files... 
@@ -946,7 +982,7 @@
 rootdir: /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/.pybuild/cpython3_3.13/build
 configfile: pytest.ini
 testpaths: tests/
-plugins: cov-5.0.0, typeguard-4.4.2, asyncio-0.25.1
+plugins: cov-5.0.0, asyncio-0.25.1, typeguard-4.4.2
 asyncio: mode=Mode.STRICT, asyncio_default_fixture_loop_scope=None
 collected 23 items
 
@@ -954,12 +990,17 @@
 tests/test_impl.py ......................                                [100%]
 
 ============================= slowest 10 durations =============================
+0.21s call     tests/test_impl.py::test_exception_mdns_before_result_async_dual_mdns_resolver
 0.20s call     tests/test_impl.py::test_exception_dns_before_result_async_dual_mdns_resolver
-0.20s call     tests/test_impl.py::test_exception_mdns_before_result_async_dual_mdns_resolver
 0.10s call     tests/test_impl.py::test_no_cancel_swallow_dual_mdns_resolver
-
-(7 durations < 0.005s hidden.  Use -vv to show these durations.)
-============================== 23 passed in 0.82s ==============================
+0.04s call     tests/test_impl.py::test_different_results_async_dual_mdns_resolver_zero_timeout
+0.02s setup    tests/test_impl.py::test_async_dual_mdns_resolver_from_cache
+0.02s call     tests/test_impl.py::test_different_results_async_dual_mdns_resolver
+0.02s call     tests/test_impl.py::test_async_dual_mdns_resolver_from_cache
+0.02s setup    tests/test_impl.py::test_different_results_async_dual_mdns_resolver_zero_timeout
+0.01s call     tests/test_impl.py::test_create_destroy_resolver_no_aiozc
+0.01s call     tests/test_impl.py::test_all_failed_async_dual_mdns_resolver
+============================== 23 passed in 2.12s ==============================
 Task was destroyed but it is pending!
 task: <Task pending name='Task-103' coro=<_AsyncMDNSResolverBase._resolve_mdns() done, defined at /build/reproducible-path/aiohttp-asyncmdnsresolver-0.1.1/.pybuild/cpython3_3.13/build/aiohttp_asyncmdnsresolver/_impl.py:92> wait_for=<Future pending cb=[Task.task_wakeup()]>>
 Task was destroyed but it is pending!
@@ -993,12 +1034,14 @@
 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/1839591/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1839591/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/3273392 and its subdirectories
-I: Current time: Wed Apr 22 02:49:19 -12 2026
-I: pbuilder-time-stamp: 1776869359
+I: removing directory /srv/workspace/pbuilder/1839591 and its subdirectories
+I: Current time: Thu Mar 20 22:32:08 +14 2025
+I: pbuilder-time-stamp: 1742459528