Diff of the two buildlogs:

--
--- b1/build.log	2025-03-24 23:24:42.877534183 +0000
+++ b2/build.log	2025-03-24 23:27:56.924743520 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr 26 17:46:59 -12 2026
-I: pbuilder-time-stamp: 1777268819
+I: Current time: Tue Mar 25 13:24:46 +14 2025
+I: pbuilder-time-stamp: 1742858686
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,54 +25,86 @@
 dpkg-source: info: applying skip-unreadable-dir-test.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/94612/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/12482/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos12-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 Mar 24 23:25 /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/12482/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/12482/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=22 '
-  DISTRIBUTION='trixie'
-  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=10 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='c0175a3f07ac46d5a8e2bd6d00a1c918'
-  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='94612'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=10231986e48a416a84258c8e4002975e
+  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=12482
   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.ZusSues0/pbuilderrc_GV6h --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.ZusSues0/b1 --logfile b1/build.log ruby-rack_3.1.12-1.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://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.ZusSues0/pbuilderrc_s8H0 --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.ZusSues0/b2 --logfile b2/build.log ruby-rack_3.1.12-1.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://46.16.76.132:3128
 I: uname -a
-  Linux ionos6-i386 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) 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/94612/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/12482/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -248,7 +280,7 @@
 Get: 130 http://deb.debian.org/debian trixie/main i386 ruby-all-dev i386 1:3.3+b1 [6488 B]
 Get: 131 http://deb.debian.org/debian trixie/main i386 gem2deb i386 2.2.5 [48.0 kB]
 Get: 132 http://deb.debian.org/debian trixie/main i386 ruby-minitest-global-expectations all 1.0.1-2 [3936 B]
-Fetched 48.9 MB in 0s (123 MB/s)
+Fetched 48.9 MB in 2s (32.1 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:i386.
 (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 ... 19771 files and directories currently installed.)
@@ -689,8 +721,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Apr 27 05:47:23 UTC 2026.
-Universal Time is now:  Mon Apr 27 05:47:23 UTC 2026.
+Local time is now:      Mon Mar 24 23:26:08 UTC 2025.
+Universal Time is now:  Mon Mar 24 23:26:08 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up ruby-minitest (5.25.4-2) ...
@@ -811,7 +843,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ruby-rack-3.1.12/ && 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  > ../ruby-rack_3.1.12-1_source.changes
+I: user script /srv/workspace/pbuilder/12482/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/12482/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ruby-rack-3.1.12/ && 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  > ../ruby-rack_3.1.12-1_source.changes
 dpkg-buildpackage: info: source package ruby-rack
 dpkg-buildpackage: info: source version 3.1.12-1
 dpkg-buildpackage: info: source distribution unstable
@@ -849,7 +885,7 @@
 │ ruby-rack: Installing files and building extensions for ruby3.3              │
 └──────────────────────────────────────────────────────────────────────────────┘
 
-/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20260426-99486-2qgfpw/gemspec
+/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20250325-21950-4orc23/gemspec
 WARNING:  open-ended dependency on minitest-global_expectations (>= 0, development) is not recommended
   use a bounded requirement, such as "~> x.y"
 WARNING:  open-ended dependency on bundler (>= 0, development) is not recommended
@@ -861,7 +897,7 @@
   Name: rack
   Version: 3.1.12
   File: rack-3.1.12.gem
-/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-rack/usr/share/rubygems-integration/all /tmp/d20260426-99486-2qgfpw/rack-3.1.12.gem
+/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-rack/usr/share/rubygems-integration/all /tmp/d20250325-21950-4orc23/rack-3.1.12.gem
 /build/reproducible-path/ruby-rack-3.1.12/debian/ruby-rack/usr/share/rubygems-integration/all/gems/rack-3.1.12/lib/rack.rb
 /build/reproducible-path/ruby-rack-3.1.12/debian/ruby-rack/usr/share/rubygems-integration/all/gems/rack-3.1.12/lib/rack/auth/abstract/handler.rb
 /build/reproducible-path/ruby-rack-3.1.12/debian/ruby-rack/usr/share/rubygems-integration/all/gems/rack-3.1.12/lib/rack/auth/abstract/request.rb
@@ -943,13 +979,13 @@
 RUBYLIB=. GEM_PATH=/build/reproducible-path/ruby-rack-3.1.12/debian/ruby-rack/usr/share/rubygems-integration/all:/build/reproducible-path/ruby-rack-3.1.12/debian/.debhelper/generated/_source/home/.local/share/gem/ruby/3.3.0:/var/lib/gems/3.3.0:/usr/local/lib/ruby/gems/3.3.0:/usr/lib/ruby/gems/3.3.0:/usr/lib/i386-linux-gnu/ruby/gems/3.3.0:/usr/share/rubygems-integration/3.3.0:/usr/share/rubygems-integration/all:/usr/lib/i386-linux-gnu/rubygems-integration/3.3.0 ruby3.3 -S rake --rakelibdir /gem2deb-nonexistent -f debian/ruby-tests.rake
 /usr/bin/ruby3.3 -I"lib:test" /usr/share/rubygems-integration/all/gems/rake-13.2.1/lib/rake/rake_test_loader.rb "test/spec_auth_basic.rb" "test/spec_body_proxy.rb" "test/spec_builder.rb" "test/spec_cascade.rb" "test/spec_common_logger.rb" "test/spec_conditional_get.rb" "test/spec_config.rb" "test/spec_content_length.rb" "test/spec_content_type.rb" "test/spec_deflater.rb" "test/spec_directory.rb" "test/spec_etag.rb" "test/spec_events.rb" "test/spec_files.rb" "test/spec_head.rb" "test/spec_headers.rb" "test/spec_lint.rb" "test/spec_lock.rb" "test/spec_logger.rb" "test/spec_media_type.rb" "test/spec_method_override.rb" "test/spec_mime.rb" "test/spec_mock_request.rb" "test/spec_mock_response.rb" "test/spec_multipart.rb" "test/spec_null_logger.rb" "test/spec_query_parser.rb" "test/spec_recursive.rb" "test/spec_request.rb" "test/spec_response.rb" "test/spec_rewindable_input.rb" "test/spec_runtime.rb" "test/spec_sendfile.rb" "test/spec_show_exceptions.rb" "test/spec_show_status.rb" "test/spec_static.rb" "test/spec_tempfile_reaper.rb" "test/spec_urlmap.rb" "test/spec_utils.rb" "test/spec_version.rb" "test/gemloader.rb" 
 /build/reproducible-path/ruby-rack-3.1.12/test/spec_logger.rb:11: warning: Rack::Logger is deprecated and will be removed in Rack 3.2.
-Run options: --seed 22465
+Run options: --seed 8162
 
 # Running:
 
-...............................................................S.................................................................................................................................................S..................................................................S....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
+....................................................................................S.....................................................................................................................................................................................................................................................................................................................................................................................................................................S.......................................................S......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
 
-Finished in 5.847567s, 187.5994 runs/s, 816.2369 assertions/s.
+Finished in 20.897409s, 52.4945 runs/s, 228.4015 assertions/s.
 
 1097 runs, 4773 assertions, 0 failures, 0 errors, 3 skips
 
@@ -984,12 +1020,14 @@
 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/12482/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/12482/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/94612 and its subdirectories
-I: Current time: Sun Apr 26 17:47:41 -12 2026
-I: pbuilder-time-stamp: 1777268861
+I: removing directory /srv/workspace/pbuilder/12482 and its subdirectories
+I: Current time: Tue Mar 25 13:27:56 +14 2025
+I: pbuilder-time-stamp: 1742858876