Diff of the two buildlogs:

--
--- b1/build.log	2025-08-31 12:27:17.113203930 +0000
+++ b2/build.log	2025-08-31 12:29:35.585387490 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Aug 31 00:24:49 -12 2025
-I: pbuilder-time-stamp: 1756643089
+I: Current time: Sun Oct  4 08:50:16 +14 2026
+I: pbuilder-time-stamp: 1791053416
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/forky-reproducible-base.tgz]
 I: copying local configuration
@@ -22,53 +22,85 @@
 dpkg-source: info: unpacking ruby-eim-xml_1.0.0-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2700853/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2150553/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos5-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 Oct  3 18:50 /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/2150553/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2150553/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=40 '
-  DISTRIBUTION='forky'
-  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=42 '
+  DIRSTACK=()
+  DISTRIBUTION=forky
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='e644cb8aca4046359e558ceb46675803'
-  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='2700853'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=5480c7e402ee41e5bd7e1f9e575b259e
+  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=2150553
   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.ay3kIdvO/pbuilderrc_cOTf --distribution forky --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/forky-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ay3kIdvO/b1 --logfile b1/build.log ruby-eim-xml_1.0.0-1.dsc'
-  SUDO_GID='111'
-  SUDO_HOME='/var/lib/jenkins'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  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.ay3kIdvO/pbuilderrc_eFrW --distribution forky --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/forky-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.ay3kIdvO/b2 --logfile b2/build.log ruby-eim-xml_1.0.0-1.dsc'
+  SUDO_GID=110
+  SUDO_HOME=/var/lib/jenkins
+  SUDO_UID=105
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos11-amd64 6.12.41+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.41-1 (2025-08-12) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.12.41+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.41-1 (2025-08-12) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Aug 10 12:30 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2700853/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Aug 10  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2150553/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -235,7 +267,7 @@
 Get: 123 http://deb.debian.org/debian forky/main amd64 ruby-rspec-expectations all 3.13.0c0e0m0s1-2 [90.2 kB]
 Get: 124 http://deb.debian.org/debian forky/main amd64 ruby-rspec-mocks all 3.13.0c0e0m0s1-2 [81.3 kB]
 Get: 125 http://deb.debian.org/debian forky/main amd64 ruby-rspec all 3.13.0c0e0m0s1-2 [5184 B]
-Fetched 36.6 MB in 18s (1994 kB/s)
+Fetched 36.6 MB in 16s (2248 kB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libexpat1: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 ... 19897 files and directories currently installed.)
@@ -654,8 +686,8 @@
 Setting up tzdata (2025b-5) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Aug 31 12:26:54 UTC 2025.
-Universal Time is now:  Sun Aug 31 12:26:54 UTC 2025.
+Local time is now:      Sat Oct  3 18:52:09 UTC 2026.
+Universal Time is now:  Sat Oct  3 18:52:09 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up ruby-minitest (5.25.4-3) ...
@@ -770,7 +802,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ruby-eim-xml-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  > ../ruby-eim-xml_1.0.0-1_source.changes
+I: user script /srv/workspace/pbuilder/2150553/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for forky
+I: user script /srv/workspace/pbuilder/2150553/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ruby-eim-xml-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  > ../ruby-eim-xml_1.0.0-1_source.changes
 dpkg-buildpackage: info: source package ruby-eim-xml
 dpkg-buildpackage: info: source version 1.0.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -803,12 +839,12 @@
 │ ruby-eim-xml: Installing files and building extensions for ruby3.3           │
 └──────────────────────────────────────────────────────────────────────────────┘
 
-/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20250831-2732299-wyuue7/gemspec
+/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20261004-2180062-hhtv1z/gemspec
   Successfully built RubyGem
   Name: eim_xml
   Version: 1.0.0
   File: eim_xml-1.0.0.gem
-/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-eim-xml/usr/share/rubygems-integration/all /tmp/d20250831-2732299-wyuue7/eim_xml-1.0.0.gem
+/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-eim-xml/usr/share/rubygems-integration/all /tmp/d20261004-2180062-hhtv1z/eim_xml-1.0.0.gem
 /build/reproducible-path/ruby-eim-xml-1.0.0/debian/ruby-eim-xml/usr/share/rubygems-integration/all/gems/eim_xml-1.0.0/lib/eim_xml.rb
 /build/reproducible-path/ruby-eim-xml-1.0.0/debian/ruby-eim-xml/usr/share/rubygems-integration/all/gems/eim_xml-1.0.0/lib/eim_xml/assertions.rb
 /build/reproducible-path/ruby-eim-xml-1.0.0/debian/ruby-eim-xml/usr/share/rubygems-integration/all/gems/eim_xml-1.0.0/lib/eim_xml/dsl.rb
@@ -851,26 +887,66 @@
 
 All examples were filtered out; ignoring {:focus=>true}
 
-Randomized with seed 3235
+Randomized with seed 32195
+
+EimXML::Formatter
+  .write
+    returns output object
+    returns string when destination not given
+    should return formatted elements string
+      (comment in element)
+      (empty element which has attributes)
+      (elements in element)
+      (all)
+      (multi-line string in element)
+      (element in element)
+      (string in element)
+      (element not have content)
+      (preserve spaces
+        class of element
+        name of element
+
+EimXML::Parser
+  #parse with string
+  #parse with holding space
+  #parse with empty element
+  #parse with nonempty element
+  #parse escaped characters
+  'parser' method for test
+
+EimXML::Formatter::ElementWrapper
+  #each
+    raise error when subclass of ElementWrapper is not implement #contents
+    gives options from formatter
+    yield result of contents
+
+EimXML::OpenDSL
+  respond to <<
+  ensure reset container when error raised
+  DSL method's block given instance of OpenDSL
+  scope of block is one of outside
+  DSL methods return element
+  can call directly element method
+  respond to add
 
 EimXML::Element
-  #include?
-  #add
+  #has?
   #del_attribute
-  #[]
-  #name
-  #add_attribute
-  #clone
   #match
-  #contents
-  #=~
+  #clone
+  #add_attribute
+  #dup
+  #find
   #has_element?
-  #attributes should return hash whose keys are Symbol
-  #has?
+  #[]
   #==
-  #find
-  #dup
+  #=~
   encode special characters
+  #add
+  #contents
+  #attributes should return hash whose keys are Symbol
+  #name
+  #include?
   .new
     converts name of attributes to Symbol
     with block
@@ -885,124 +961,84 @@
 Subclass of BaseDSL
   register
 
-EimXML::Formatter
-  .write
-    returns output object
-    returns string when destination not given
-    should return formatted elements string
-      (empty element which has attributes)
-      (string in element)
-      (comment in element)
-      (elements in element)
-      (element not have content)
-      (multi-line string in element)
-      (all)
-      (element in element)
-      (preserve spaces
-        class of element
-        name of element
+EimXML::XHTML::Formatter
+  #write
+    returns string
+    sets :preservers=>PRESERVE_SPACES to default option
+
+EimXML::DSL
+  #import_variables
+  scope is in instance of DSL
+  #comment
+  #_push
+    returns given container
 
 EimXML::Comment
   .new should raise error if given string include '--'
   #write_to
-    returns given destination
     returns comment with markup
+    returns given destination
+
+EimXML::PCString
+  .new
+  #==
+  .encode
+  .[]
+    returns itself when given object is a PCString
+    returns PCString.new(obj) if given obj is not a PCString
+  #write_to
+    returns given destination
+    returns encoded string
 
 EimXML::XHTML
-  OL
-  LINK
-  CAPTION
-  BODY
   SUBMIT
-  A
+  FILE
+  LI
+  OL
+  DL
+  UL
+  TITLE
   SPAN
+  PRE
+  HTML
   DD
-  TABLE
-  FORM.new should be able to receive CGI::Session object and set random token
-  META
-  IMG
-  TITLE
-  STYLE
-  DT
+  SCRIPT
+  STRONG
+  TEXTAREA
   DIV
-  FORM
-  HEAD
+  DSL.base_ should raise NoMethodError
   INPUT
-  DL
-  EM
-  LI
-  TD
   SELECT
-  UL
-  DSL.base_ should raise NoMethodError
-  TH
-  P
-  TR
-  HR
-  FILE
+  LINK
   PASSWORD
+  TABLE
+  FORM
+  EM
+  A
+  STYLE
+  TR
   BUTTON
-  TEXTAREA
-  TEXT
   HIDDEN
   Hn
-  BR
-  HTML
-  STRONG
-  SCRIPT
   OPTION
-  PRE
-
-EimXML::Formatter::ElementWrapper
-  #each
-    gives options from formatter
-    raise error when subclass of ElementWrapper is not implement #contents
-    yield result of contents
-
-EimXML::DSL
-  #import_variables
-  #comment
-  scope is in instance of DSL
-  #_push
-    returns given container
-
-EimXML::Parser
-  #parse with nonempty element
-  'parser' method for test
-  #parse with holding space
-  #parse with string
-  #parse with empty element
-  #parse escaped characters
-
-EimXML::PCString
-  .new
-  .encode
-  #==
-  .[]
-    returns itself when given object is a PCString
-    returns PCString.new(obj) if given obj is not a PCString
-  #write_to
-    returns encoded string
-    returns given destination
-
-EimXML::XHTML::Formatter
-  #write
-    returns string
-    sets :preservers=>PRESERVE_SPACES to default option
-
-EimXML::OpenDSL
-  respond to add
-  ensure reset container when error raised
-  respond to <<
-  DSL methods return element
-  can call directly element method
-  DSL method's block given instance of OpenDSL
-  scope of block is one of outside
+  IMG
+  HR
+  BR
+  BODY
+  META
+  FORM.new should be able to receive CGI::Session object and set random token
+  TD
+  P
+  TEXT
+  TH
+  DT
+  CAPTION
+  HEAD
 
-Finished in 0.06598 seconds (files took 0.21997 seconds to load)
+Finished in 0.13952 seconds (files took 0.28995 seconds to load)
 111 examples, 0 failures
 
-Randomized with seed 3235
+Randomized with seed 32195
 
 
 ┌──────────────────────────────────────────────────────────────────────────────┐
@@ -1033,12 +1069,14 @@
 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/2150553/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2150553/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/2700853 and its subdirectories
-I: Current time: Sun Aug 31 00:27:16 -12 2025
-I: pbuilder-time-stamp: 1756643236
+I: removing directory /srv/workspace/pbuilder/2150553 and its subdirectories
+I: Current time: Sun Oct  4 08:52:33 +14 2026
+I: pbuilder-time-stamp: 1791053553