Diff of the two buildlogs:

--
--- b1/build.log	2025-03-08 08:55:26.829637549 +0000
+++ b2/build.log	2025-03-08 08:57:54.315047645 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Apr 10 03:17:45 -12 2026
-I: pbuilder-time-stamp: 1775834265
+I: Current time: Sat Mar  8 22:55:34 +14 2025
+I: pbuilder-time-stamp: 1741424134
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -29,54 +29,86 @@
 dpkg-source: info: applying 0005-disable-broken-Mockery-test.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/43526/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/36176/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos2-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  8 08:55 /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/36176/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/36176/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='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=10 '
+  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='69dbcaa5cf9e49f08ba07b26e51868e8'
-  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='43526'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=8b535f0685f649629cf54dafd03a9199
+  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=36176
   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.YXhv4Gpt/pbuilderrc_GGb2 --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.YXhv4Gpt/b1 --logfile b1/build.log ruby-mocha_2.4.2-2.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.YXhv4Gpt/pbuilderrc_X3KY --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.YXhv4Gpt/b2 --logfile b2/build.log ruby-mocha_2.4.2-2.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 ionos16-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) 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/43526/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/36176/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -262,7 +294,7 @@
 Get: 136 http://deb.debian.org/debian unstable/main i386 ruby-introspection all 0.0.4-1 [5344 B]
 Get: 137 http://deb.debian.org/debian unstable/main i386 ruby-redcarpet i386 3.6.0-1+b5 [55.5 kB]
 Get: 138 http://deb.debian.org/debian unstable/main i386 yard all 0.9.37-1 [547 kB]
-Fetched 49.8 MB in 0s (101 MB/s)
+Fetched 49.8 MB in 2s (28.7 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 ... 19769 files and directories currently installed.)
@@ -721,8 +753,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Fri Apr 10 15:18:07 UTC 2026.
-Universal Time is now:  Fri Apr 10 15:18:07 UTC 2026.
+Local time is now:      Sat Mar  8 08:56:49 UTC 2025.
+Universal Time is now:  Sat Mar  8 08:56:49 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up ruby-minitest (5.25.4-2) ...
@@ -849,7 +881,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ruby-mocha-2.4.2/ && 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-mocha_2.4.2-2_source.changes
+I: user script /srv/workspace/pbuilder/36176/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/36176/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ruby-mocha-2.4.2/ && 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-mocha_2.4.2-2_source.changes
 dpkg-buildpackage: info: source package ruby-mocha
 dpkg-buildpackage: info: source version 2.4.2-2
 dpkg-buildpackage: info: source distribution unstable
@@ -886,7 +922,7 @@
 │ ruby-mocha: Installing files and building extensions for ruby3.3             │
 └──────────────────────────────────────────────────────────────────────────────┘
 
-/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20260410-48430-ijuxb5/gemspec
+/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20250308-43229-xdsfxt/gemspec
 WARNING:  open-ended dependency on ruby2_keywords (>= 0.0.5) is not recommended
   if ruby2_keywords is semantically versioned, use:
     add_runtime_dependency "ruby2_keywords", "~> 0.0", ">= 0.0.5"
@@ -895,7 +931,7 @@
   Name: mocha
   Version: 2.4.2
   File: mocha-2.4.2.gem
-/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-mocha/usr/share/rubygems-integration/all /tmp/d20260410-48430-ijuxb5/mocha-2.4.2.gem
+/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-mocha/usr/share/rubygems-integration/all /tmp/d20250308-43229-xdsfxt/mocha-2.4.2.gem
 /build/reproducible-path/ruby-mocha-2.4.2/debian/ruby-mocha/usr/share/rubygems-integration/all/gems/mocha-2.4.2/lib/mocha.rb
 /build/reproducible-path/ruby-mocha-2.4.2/debian/ruby-mocha/usr/share/rubygems-integration/all/gems/mocha-2.4.2/lib/mocha/any_instance_method.rb
 /build/reproducible-path/ruby-mocha-2.4.2/debian/ruby-mocha/usr/share/rubygems-integration/all/gems/mocha-2.4.2/lib/mocha/api.rb
@@ -1007,13 +1043,13 @@
 
 RUBYLIB=. GEM_PATH=/build/reproducible-path/ruby-mocha-2.4.2/debian/ruby-mocha/usr/share/rubygems-integration/all:/build/reproducible-path/ruby-mocha-2.4.2/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 -w -I"test" /usr/share/rubygems-integration/all/gems/rake-13.2.1/lib/rake/rake_test_loader.rb "test/acceptance/array_flatten_test.rb" "test/acceptance/bug_18914_test.rb" "test/acceptance/bug_21465_test.rb" "test/acceptance/bug_21563_test.rb" "test/acceptance/display_matching_invocations_alongside_expectations_test.rb" "test/acceptance/exception_rescue_test.rb" "test/acceptance/expectations_on_multiple_methods_test.rb" "test/acceptance/expected_invocation_count_test.rb" "test/acceptance/failure_messages_test.rb" "test/acceptance/issue_272_test.rb" "test/acceptance/issue_457_test.rb" "test/acceptance/issue_524_test.rb" "test/acceptance/issue_65_test.rb" "test/acceptance/issue_70_test.rb" "test/acceptance/keyword_argument_matching_test.rb" "test/acceptance/mocha_example_test.rb" "test/acceptance/mocha_test_result_test.rb" "test/acceptance/mock_test.rb" "test/acceptance/mocked_methods_dispatch_test.rb" "test/acceptance/multiple_expectations_failure_message_test.rb" "test/acceptance/multiple_yielding_test.rb" "test/acceptance/optional_parameters_test.rb" "test/acceptance/parameter_matcher_test.rb" "test/acceptance/partial_mocks_test.rb" "test/acceptance/positional_and_keyword_has_inspect_test.rb" "test/acceptance/prepend_test.rb" "test/acceptance/prevent_use_of_mocha_outside_test_test.rb" "test/acceptance/raise_exception_test.rb" "test/acceptance/responds_like_test.rb" "test/acceptance/return_value_test.rb" "test/acceptance/sequence_block_test.rb" "test/acceptance/sequence_test.rb" "test/acceptance/states_test.rb" "test/acceptance/stub_any_instance_method_defined_on_superclass_test.rb" "test/acceptance/stub_any_instance_method_test.rb" "test/acceptance/stub_class_method_defined_on_active_record_association_proxy_test.rb" "test/acceptance/stub_class_method_defined_on_class_test.rb" "test/acceptance/stub_class_method_defined_on_module_test.rb" "test/acceptance/stub_class_method_defined_on_superclass_test.rb" "test/acceptance/stub_everything_test.rb" "test/acceptance/stub_instance_method_defined_on_active_record_association_proxy_test.rb" "test/acceptance/stub_instance_method_defined_on_class_and_aliased_test.rb" "test/acceptance/stub_instance_method_defined_on_class_test.rb" "test/acceptance/stub_instance_method_defined_on_kernel_module_test.rb" "test/acceptance/stub_instance_method_defined_on_module_test.rb" "test/acceptance/stub_instance_method_defined_on_object_class_test.rb" "test/acceptance/stub_instance_method_defined_on_singleton_class_test.rb" "test/acceptance/stub_instance_method_defined_on_superclass_test.rb" "test/acceptance/stub_method_defined_on_module_and_aliased_test.rb" "test/acceptance/stub_module_method_test.rb" "test/acceptance/stub_test.rb" "test/acceptance/stubba_example_test.rb" "test/acceptance/stubba_test_result_test.rb" "test/acceptance/stubbing_error_backtrace_test.rb" "test/acceptance/stubbing_frozen_object_test.rb" "test/acceptance/stubbing_method_accepting_block_parameter_test.rb" "test/acceptance/stubbing_method_unnecessarily_test.rb" "test/acceptance/stubbing_nil_test.rb" "test/acceptance/stubbing_non_existent_any_instance_method_test.rb" "test/acceptance/stubbing_non_existent_class_method_test.rb" "test/acceptance/stubbing_non_existent_instance_method_test.rb" "test/acceptance/stubbing_non_public_any_instance_method_test.rb" "test/acceptance/stubbing_non_public_class_method_test.rb" "test/acceptance/stubbing_non_public_instance_method_test.rb" "test/acceptance/stubbing_on_non_mock_object_test.rb" "test/acceptance/stubbing_same_class_method_on_parent_and_child_classes_test.rb" "test/acceptance/throw_test.rb" "test/acceptance/unexpected_invocation_test.rb" "test/acceptance/unstubbing_test.rb" "test/acceptance/yielding_test.rb" "test/integration/minitest_test.rb" "test/integration/test_unit_test.rb" "test/unit/any_instance_method_test.rb" "test/unit/array_inspect_test.rb" "test/unit/backtrace_filter_test.rb" "test/unit/cardinality_test.rb" "test/unit/central_test.rb" "test/unit/change_state_side_effect_test.rb" "test/unit/class_methods_test.rb" "test/unit/configuration_test.rb" "test/unit/date_time_inspect_test.rb" "test/unit/exception_raiser_test.rb" "test/unit/expectation_list_test.rb" "test/unit/expectation_test.rb" "test/unit/hash_inspect_test.rb" "test/unit/hooks_test.rb" "test/unit/in_state_ordering_constraint_test.rb" "test/unit/instance_method_test.rb" "test/unit/method_matcher_test.rb" "test/unit/mock_test.rb" "test/unit/mockery_test.rb" "test/unit/module_methods_test.rb" "test/unit/object_inspect_test.rb" "test/unit/object_methods_test.rb" "test/unit/parameter_matchers/all_of_test.rb" "test/unit/parameter_matchers/any_of_test.rb" "test/unit/parameter_matchers/anything_test.rb" "test/unit/parameter_matchers/equals_test.rb" "test/unit/parameter_matchers/equivalent_uri_test.rb" "test/unit/parameter_matchers/has_entries_test.rb" "test/unit/parameter_matchers/has_entry_test.rb" "test/unit/parameter_matchers/has_key_test.rb" "test/unit/parameter_matchers/has_keys_test.rb" "test/unit/parameter_matchers/has_value_test.rb" "test/unit/parameter_matchers/includes_test.rb" "test/unit/parameter_matchers/instance_of_test.rb" "test/unit/parameter_matchers/is_a_test.rb" "test/unit/parameter_matchers/kind_of_test.rb" "test/unit/parameter_matchers/not_test.rb" "test/unit/parameter_matchers/positional_or_keyword_hash_test.rb" "test/unit/parameter_matchers/regexp_matches_test.rb" "test/unit/parameter_matchers/responds_with_test.rb" "test/unit/parameter_matchers/yaml_equivalent_test.rb" "test/unit/parameters_matcher_test.rb" "test/unit/receivers_test.rb" "test/unit/return_values_test.rb" "test/unit/sequence_test.rb" "test/unit/single_return_value_test.rb" "test/unit/state_machine_test.rb" "test/unit/string_inspect_test.rb" "test/unit/thrower_test.rb" "test/unit/yield_parameters_test.rb" "test/integration/test_unit_test.rb" "test/test_helper.rb" "test/test_runner.rb" "test/test_unit_result.rb"  -v
-Run options: --seed 37562
+Run options: --seed 27364
 
 # Running:
 
 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
 
-Finished in 0.481341s, 1842.7694 runs/s, 2409.9352 assertions/s.
+Finished in 1.397789s, 634.5735 runs/s, 829.8820 assertions/s.
 
 887 runs, 1160 assertions, 0 failures, 0 errors, 0 skips
 
@@ -1063,12 +1099,14 @@
 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/36176/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/36176/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/43526 and its subdirectories
-I: Current time: Fri Apr 10 03:18:23 -12 2026
-I: pbuilder-time-stamp: 1775834303
+I: removing directory /srv/workspace/pbuilder/36176 and its subdirectories
+I: Current time: Sat Mar  8 22:57:53 +14 2025
+I: pbuilder-time-stamp: 1741424273