Diff of the two buildlogs:

--
--- b1/build.log	2025-03-10 14:34:07.449458011 +0000
+++ b2/build.log	2025-03-10 14:35:11.842582028 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 10 02:32:24 -12 2025
-I: pbuilder-time-stamp: 1741617144
+I: Current time: Mon Apr 13 10:57:06 +14 2026
+I: pbuilder-time-stamp: 1776027426
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -30,52 +30,84 @@
 dpkg-source: info: applying regexp.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2782839/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/4123166/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 Apr 12 20:57 /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/4123166/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/4123166/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=20 '
-  DISTRIBUTION='trixie'
-  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=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='f422415150f34be5b769481dbe47ebfc'
-  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='2782839'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=af12ce76db2b486ea89db04ab2948691
+  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=4123166
   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.LermL4PB/pbuilderrc_1aRP --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.LermL4PB/b1 --logfile b1/build.log ruby-soap4r_2.0.5-9.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://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.LermL4PB/pbuilderrc_0BNU --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.LermL4PB/b2 --logfile b2/build.log ruby-soap4r_2.0.5-9.dsc'
+  SUDO_GID=110
+  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 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2782839/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/4123166/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -247,7 +279,7 @@
 Get: 130 http://deb.debian.org/debian trixie/main amd64 ruby-all-dev amd64 1:3.3+b1 [6496 B]
 Get: 131 http://deb.debian.org/debian trixie/main amd64 gem2deb amd64 2.2.5 [48.0 kB]
 Get: 132 http://deb.debian.org/debian trixie/main amd64 ruby-xmlparser amd64 0.7.3-6+b1 [75.9 kB]
-Fetched 48.3 MB in 3s (18.1 MB/s)
+Fetched 48.3 MB in 1s (33.4 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 ... 19800 files and directories currently installed.)
@@ -688,8 +720,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Mar 10 14:33:31 UTC 2025.
-Universal Time is now:  Mon Mar 10 14:33:31 UTC 2025.
+Local time is now:      Sun Apr 12 20:57:48 UTC 2026.
+Universal Time is now:  Sun Apr 12 20:57:48 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up ruby-minitest (5.25.4-2) ...
@@ -810,7 +842,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ruby-soap4r-2.0.5/ && 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-soap4r_2.0.5-9_source.changes
+I: user script /srv/workspace/pbuilder/4123166/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/4123166/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ruby-soap4r-2.0.5/ && 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-soap4r_2.0.5-9_source.changes
 dpkg-buildpackage: info: source package ruby-soap4r
 dpkg-buildpackage: info: source version 2.0.5-9
 dpkg-buildpackage: info: source distribution unstable
@@ -824,7 +860,7 @@
    dh_autoreconf_clean -O--buildsystem=ruby
    debian/rules override_dh_clean
 make[1]: Entering directory '/build/reproducible-path/ruby-soap4r-2.0.5'
-dh_clean -X lib/soap/rpc/element.rb.orig -X lib/xsd/xmlparser.rb.orig
+dh_clean -X lib/xsd/xmlparser.rb.orig -X lib/soap/rpc/element.rb.orig
 make[1]: Leaving directory '/build/reproducible-path/ruby-soap4r-2.0.5'
  debian/rules binary
 dh binary --buildsystem=ruby --with ruby
@@ -846,7 +882,7 @@
 │ ruby-soap4r: Installing files and building extensions for ruby3.3            │
 └──────────────────────────────────────────────────────────────────────────────┘
 
-/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20250310-2799460-7zg2pr/gemspec
+/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20260413-4139472-mmt1ci/gemspec
 WARNING:  expected RubyGems version 3.6.3, was 1.8.17
 WARNING:  bin/xsd2ruby.rb is not executable
 WARNING:  description and summary are identical
@@ -860,7 +896,7 @@
   Name: soap4r-ruby1.9
   Version: 2.0.5
   File: soap4r-ruby1.9-2.0.5.gem
-/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-soap4r/usr/share/rubygems-integration/all /tmp/d20250310-2799460-7zg2pr/soap4r-ruby1.9-2.0.5.gem
+/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-soap4r/usr/share/rubygems-integration/all /tmp/d20260413-4139472-mmt1ci/soap4r-ruby1.9-2.0.5.gem
 /build/reproducible-path/ruby-soap4r-2.0.5/debian/ruby-soap4r/usr/share/rubygems-integration/all/gems/soap4r-ruby1.9-2.0.5/VERSION
 /build/reproducible-path/ruby-soap4r-2.0.5/debian/ruby-soap4r/usr/share/rubygems-integration/all/gems/soap4r-ruby1.9-2.0.5/bin/wsdl2ruby.rb
 /build/reproducible-path/ruby-soap4r-2.0.5/debian/ruby-soap4r/usr/share/rubygems-integration/all/gems/soap4r-ruby1.9-2.0.5/bin/xsd2ruby.rb
@@ -1112,63 +1148,63 @@
 Loaded suite /usr/share/rubygems-integration/all/gems/rake-13.2.1/lib/rake/rake_test_loader
 Started
 TestIconvCharset: 
-  test_invalid_encoding:				.: (0.001532)
-  test_iso88591_utf8:					.: (0.000159)
-  test_utf8_iso88591:					.: (0.000155)
+  test_invalid_encoding:				.: (0.000824)
+  test_iso88591_utf8:					.: (0.000122)
+  test_utf8_iso88591:					.: (0.000119)
 XSD::TestEmptyCharset: 
-  test_wsdl:						.: (0.001487)
+  test_wsdl:						.: (0.001010)
 XSD::TestNS: 
-  test_no_default_namespace:				.: (0.000934)
-  test_xmllang:						.: (0.005771)
+  test_no_default_namespace:				.: (0.000513)
+  test_xmllang:						.: (0.003418)
 XSD::TestXMLSchemaParser: 
-  test_wsdl:						.: (0.000791)
+  test_wsdl:						.: (0.000458)
 XSD::TestXSD: 
-  test_NSDBase:						.: (0.000252)
-  test_XSDBase:						.: (0.000202)
-  test_XSDBoolean:					.: (0.000560)
-  test_XSDDate:						.: (0.001852)
-  test_XSDDateTime:					.: (0.003048)
-  test_XSDDecimal:					.: (0.001438)
-  test_XSDDouble:					.: (0.001745)
-  test_XSDDuration:					.: (0.002060)
-  test_XSDFloat:					.: (0.001687)
-  test_XSDLanguage:					.: (0.000805)
-  test_XSDNil:						.: (0.000343)
-  test_XSDNormalizedString:				.: (0.000974)
-  test_XSDString_NONE:					.: (0.000605)
-  test_XSDString_UTF8:					.: (0.000460)
-  test_XSDTime:						.: (0.001309)
-  test_XSDToken:					.: (0.001334)
+  test_NSDBase:						.: (0.000184)
+  test_XSDBase:						.: (0.000151)
+  test_XSDBoolean:					.: (0.000330)
+  test_XSDDate:						.: (0.000990)
+  test_XSDDateTime:					.: (0.001648)
+  test_XSDDecimal:					.: (0.000691)
+  test_XSDDouble:					.: (0.000884)
+  test_XSDDuration:					.: (0.001062)
+  test_XSDFloat:					.: (0.000958)
+  test_XSDLanguage:					.: (0.000495)
+  test_XSDNil:						.: (0.000212)
+  test_XSDNormalizedString:				.: (0.000591)
+  test_XSDString_NONE:					.: (0.000405)
+  test_XSDString_UTF8:					.: (0.000317)
+  test_XSDTime:						.: (0.000771)
+  test_XSDToken:					.: (0.000799)
 XSD::TestXSD2: 
-  test_XSDAnyURI:					.: (0.000831)
-  test_XSDBase64Binary:					.: (0.007097)
-  test_XSDByte:						.: (0.001440)
-  test_XSDGDay:						.: (0.000704)
-  test_XSDGMonth:					.: (0.000622)
-  test_XSDGMonthDay:					.: (0.000631)
-  test_XSDGYear:					.: (0.000897)
-  test_XSDGYearMonth:					.: (0.000915)
-  test_XSDHexBinary:					.: (0.000790)
-  test_XSDInt:						.: (0.001630)
-  test_XSDInteger:					.: (0.001476)
-  test_XSDLong:						.: (0.001894)
-  test_XSDNegativeInteger:				.: (0.001723)
-  test_XSDNonNegativeInteger:				.: (0.001275)
-  test_XSDNonPositiveInteger:				.: (0.001355)
-  test_XSDPositiveInteger:				.: (0.001242)
-  test_XSDQName:					.: (0.000375)
-  test_XSDShort:					.: (0.001683)
-  test_XSDUnsignedByte:					.: (0.001348)
-  test_XSDUnsignedInt:					.: (0.001305)
-  test_XSDUnsignedLong:					.: (0.001184)
-  test_XSDUnsignedShort:				.: (0.001354)
+  test_XSDAnyURI:					.: (0.000468)
+  test_XSDBase64Binary:					.: (0.002597)
+  test_XSDByte:						.: (0.000783)
+  test_XSDGDay:						.: (0.000376)
+  test_XSDGMonth:					.: (0.000362)
+  test_XSDGMonthDay:					.: (0.000362)
+  test_XSDGYear:					.: (0.000483)
+  test_XSDGYearMonth:					.: (0.000492)
+  test_XSDHexBinary:					.: (0.000477)
+  test_XSDInt:						.: (0.000896)
+  test_XSDInteger:					.: (0.000808)
+  test_XSDLong:						.: (0.000990)
+  test_XSDNegativeInteger:				.: (0.000869)
+  test_XSDNonNegativeInteger:				.: (0.000699)
+  test_XSDNonPositiveInteger:				.: (0.000711)
+  test_XSDPositiveInteger:				.: (0.000633)
+  test_XSDQName:					.: (0.000217)
+  test_XSDShort:					.: (0.000901)
+  test_XSDUnsignedByte:					.: (0.000773)
+  test_XSDUnsignedInt:					.: (0.000725)
+  test_XSDUnsignedLong:					.: (0.000673)
+  test_XSDUnsignedShort:				.: (0.000712)
 
-Finished in 0.06942398 seconds.
+Finished in 0.03625823 seconds.
 -------------------------------------------------------------------------------
 45 tests, 724 assertions, 0 failures, 0 errors, 0 pendings, 0 omissions, 0 notifications
 100% passed
 -------------------------------------------------------------------------------
-648.19 tests/s, 10428.67 assertions/s
+1241.10 tests/s, 19967.88 assertions/s
 mv ./.gem2deb.Gemfile.lock Gemfile.lock
 
 ┌──────────────────────────────────────────────────────────────────────────────┐
@@ -1209,12 +1245,14 @@
 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/4123166/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/4123166/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/2782839 and its subdirectories
-I: Current time: Mon Mar 10 02:34:06 -12 2025
-I: pbuilder-time-stamp: 1741617246
+I: removing directory /srv/workspace/pbuilder/4123166 and its subdirectories
+I: Current time: Mon Apr 13 10:58:08 +14 2026
+I: pbuilder-time-stamp: 1776027488