Diff of the two buildlogs:

--
--- b1/build.log	2024-11-29 14:22:07.613962255 +0000
+++ b2/build.log	2024-11-29 14:22:51.247987256 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Nov 29 02:20:25 -12 2024
-I: pbuilder-time-stamp: 1732890025
+I: Current time: Fri Jan  2 10:45:09 +14 2026
+I: pbuilder-time-stamp: 1767300309
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying auto-gitignore
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/547299/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/292555/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 Jan  1 20:45 /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/292555/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/292555/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]="32" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
+  BASH_VERSION='5.2.32(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='39e1183f1aa046628f1e172ca5f45aaa'
-  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='547299'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=b086132d96094068b7bcdcc9aee71fd8
+  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=292555
   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.1w0MvnVC/pbuilderrc_J5Zt --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.1w0MvnVC/b1 --logfile b1/build.log libtest-html-content-perl_0.13-1.dsc'
-  SUDO_GID='110'
-  SUDO_UID='105'
-  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.1w0MvnVC/pbuilderrc_mhPj --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.1w0MvnVC/b2 --logfile b2/build.log libtest-html-content-perl_0.13-1.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 ionos1-amd64 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.11.5+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.11.5-1~bpo12+1 (2024-11-11) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Aug  4 21:30 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/547299/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Aug  4  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/292555/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -149,7 +181,7 @@
 Get: 35 http://deb.debian.org/debian trixie/main amd64 libxml-sax-base-perl all 1.09-3 [20.6 kB]
 Get: 36 http://deb.debian.org/debian trixie/main amd64 libxml-sax-perl all 1.02+dfsg-4 [53.4 kB]
 Get: 37 http://deb.debian.org/debian trixie/main amd64 libxml-libxml-perl amd64 2.0207+dfsg+really+2.0134-5+b1 [314 kB]
-Fetched 20.5 MB in 3s (6033 kB/s)
+Fetched 20.5 MB in 1s (20.2 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sensible-utils.
 (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 ... 19964 files and directories currently installed.)
@@ -321,7 +353,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/libtest-html-content-perl-0.13/ && 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  > ../libtest-html-content-perl_0.13-1_source.changes
+I: user script /srv/workspace/pbuilder/292555/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/292555/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libtest-html-content-perl-0.13/ && 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  > ../libtest-html-content-perl_0.13-1_source.changes
 dpkg-buildpackage: info: source package libtest-html-content-perl
 dpkg-buildpackage: info: source version 0.13-1
 dpkg-buildpackage: info: source distribution unstable
@@ -345,15 +381,15 @@
 Writing Makefile for Test::HTML::Content
 Writing MYMETA.yml and MYMETA.json
    dh_auto_build
-	make -j20
+	make -j42
 make[1]: Entering directory '/build/reproducible-path/libtest-html-content-perl-0.13'
-cp lib/Test/HTML/Content/XPathExtensions.pm blib/lib/Test/HTML/Content/XPathExtensions.pm
-cp lib/Test/HTML/Content/NoXPath.pm blib/lib/Test/HTML/Content/NoXPath.pm
 cp lib/Test/HTML/Content.pm blib/lib/Test/HTML/Content.pm
+cp lib/Test/HTML/Content/NoXPath.pm blib/lib/Test/HTML/Content/NoXPath.pm
+cp lib/Test/HTML/Content/XPathExtensions.pm blib/lib/Test/HTML/Content/XPathExtensions.pm
 Manifying 3 pod documents
 make[1]: Leaving directory '/build/reproducible-path/libtest-html-content-perl-0.13'
    dh_auto_test
-	make -j20 test TEST_VERBOSE=1
+	make -j42 test TEST_VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/libtest-html-content-perl-0.13'
 PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(1, 'blib/lib', 'blib/arch')" t/00-load.t t/00-prerequisites.t t/01-fallback-libxml.t t/01-fallback-pureperl.t t/01-fallback-xpath.t t/01-internal-api.t t/01-libxml-xpath-abstraction.t t/01-xpath-query-builder.t t/02-tags.t t/03-links.t t/04-comments.t t/05-doctype.t t/06-text.t t/07-errors.link.t t/08-errors.comment.t t/09-errors.declaration.t t/09-errors.xpath.t t/10-errors.text.t t/12-title-fallback.t t/12-title.t t/13-xpath-gracefull-errors.t t/embedded-Test-HTML-Content-NoXPath.t t/embedded-Test-HTML-Content-XPathExtensions.t t/embedded-Test-HTML-Content.t
 # Testing Test::HTML::Content 0.13, Perl 5.040000
@@ -540,15 +576,15 @@
 ok 34 - match text(FOO  =~(?^i:^foo$))
 ok 35 - match text(  hidden message  =~hidden message)
 ok 36 - match text(  hidden message  =~hidden  message)
-ok 37 - match(HASH(0x556328ffd308)=~HASH(0x556328ffdcb0)=~href)
-ok 38 - match(HASH(0x556328ffdf08)=~HASH(0x556328ffdf68)=~alt)
-ok 39 - match(HASH(0x556328ffdf98)=~HASH(0x556328ffdff8)=~alt)
-ok 40 - match(HASH(0x556328ffe040)=~HASH(0x556328ffe0a0)=~href)
-ok 41 - match(HASH(0x556328ffe0e8)=~HASH(0x556329001dc0)=~href)
-ok 42 - match(HASH(0x556329001e08)=~HASH(0x556329001e68)=~href)
-ok 43 - match(HASH(0x556329001ec8)=~HASH(0x556329001f28)=~href)
-ok 44 - match(HASH(0x556329001f70)=~HASH(0x556329001fe8)=~href)
-ok 45 - match(HASH(0x556329002048)=~HASH(0x5563290020d8)=~href)
+ok 37 - match(HASH(0x55e88a9b9a18)=~HASH(0x55e88a9ba3c0)=~href)
+ok 38 - match(HASH(0x55e88a9ba618)=~HASH(0x55e88a9ba678)=~alt)
+ok 39 - match(HASH(0x55e88a9ba6a8)=~HASH(0x55e88a9ba708)=~alt)
+ok 40 - match(HASH(0x55e88a9ba750)=~HASH(0x55e88a9ba7b0)=~href)
+ok 41 - match(HASH(0x55e88a9ba7f8)=~HASH(0x55e88a9be560)=~href)
+ok 42 - match(HASH(0x55e88a9be5a8)=~HASH(0x55e88a9be608)=~href)
+ok 43 - match(HASH(0x55e88a9be668)=~HASH(0x55e88a9be6c8)=~href)
+ok 44 - match(HASH(0x55e88a9be710)=~HASH(0x55e88a9be788)=~href)
+ok 45 - match(HASH(0x55e88a9be7e8)=~HASH(0x55e88a9be878)=~href)
 ok 46 - Counting tags 1
 ok 47 - Checking possible candidates
 ok 48 - Counting tags 2
@@ -638,15 +674,15 @@
 ok 132 - match text(FOO  =~(?^i:^foo$))
 ok 133 - match text(  hidden message  =~hidden message)
 ok 134 - match text(  hidden message  =~hidden  message)
-ok 135 - match(HASH(0x556328ffd308)=~HASH(0x556328ffdcb0)=~href)
-ok 136 - match(HASH(0x556328ffdf08)=~HASH(0x556328ffdf68)=~alt)
-ok 137 - match(HASH(0x556328ffdf98)=~HASH(0x556328ffdff8)=~alt)
-ok 138 - match(HASH(0x556328ffe040)=~HASH(0x556328ffe0a0)=~href)
-ok 139 - match(HASH(0x556328ffe0e8)=~HASH(0x556329001dc0)=~href)
-ok 140 - match(HASH(0x556329001e08)=~HASH(0x556329001e68)=~href)
-ok 141 - match(HASH(0x556329001ec8)=~HASH(0x556329001f28)=~href)
-ok 142 - match(HASH(0x556329001f70)=~HASH(0x556329001fe8)=~href)
-ok 143 - match(HASH(0x556329002048)=~HASH(0x5563290020d8)=~href)
+ok 135 - match(HASH(0x55e88a9b9a18)=~HASH(0x55e88a9ba3c0)=~href)
+ok 136 - match(HASH(0x55e88a9ba618)=~HASH(0x55e88a9ba678)=~alt)
+ok 137 - match(HASH(0x55e88a9ba6a8)=~HASH(0x55e88a9ba708)=~alt)
+ok 138 - match(HASH(0x55e88a9ba750)=~HASH(0x55e88a9ba7b0)=~href)
+ok 139 - match(HASH(0x55e88a9ba7f8)=~HASH(0x55e88a9be560)=~href)
+ok 140 - match(HASH(0x55e88a9be5a8)=~HASH(0x55e88a9be608)=~href)
+ok 141 - match(HASH(0x55e88a9be668)=~HASH(0x55e88a9be6c8)=~href)
+ok 142 - match(HASH(0x55e88a9be710)=~HASH(0x55e88a9be788)=~href)
+ok 143 - match(HASH(0x55e88a9be7e8)=~HASH(0x55e88a9be878)=~href)
 ok 144 - Counting tags 1
 ok 145 - Checking possible candidates
 ok 146 - Counting tags 2
@@ -993,21 +1029,21 @@
 1..1
 ok
 All tests successful.
-Files=24, Tests=437,  7 wallclock secs ( 0.15 usr  0.11 sys +  4.79 cusr  0.80 csys =  5.85 CPU)
+Files=24, Tests=437,  3 wallclock secs ( 0.13 usr  0.03 sys +  2.19 cusr  0.43 csys =  2.78 CPU)
 Result: PASS
 make[1]: Leaving directory '/build/reproducible-path/libtest-html-content-perl-0.13'
    create-stamp debian/debhelper-build-stamp
    dh_prep
    dh_auto_install --destdir=debian/libtest-html-content-perl/
-	make -j20 install DESTDIR=/build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
+	make -j42 install DESTDIR=/build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
 make[1]: Entering directory '/build/reproducible-path/libtest-html-content-perl-0.13'
 Manifying 3 pod documents
 Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/perl5/Test/HTML/Content.pm
 Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/perl5/Test/HTML/Content/NoXPath.pm
 Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/perl5/Test/HTML/Content/XPathExtensions.pm
-Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/man/man3/Test::HTML::Content::NoXPath.3pm
-Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/man/man3/Test::HTML::Content.3pm
 Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/man/man3/Test::HTML::Content::XPathExtensions.3pm
+Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/man/man3/Test::HTML::Content.3pm
+Installing /build/reproducible-path/libtest-html-content-perl-0.13/debian/libtest-html-content-perl/usr/share/man/man3/Test::HTML::Content::NoXPath.3pm
 make[1]: Leaving directory '/build/reproducible-path/libtest-html-content-perl-0.13'
    dh_installdocs
    dh_installchangelogs
@@ -1030,12 +1066,14 @@
 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/292555/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/292555/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/547299 and its subdirectories
-I: Current time: Fri Nov 29 02:22:06 -12 2024
-I: pbuilder-time-stamp: 1732890126
+I: removing directory /srv/workspace/pbuilder/292555 and its subdirectories
+I: Current time: Fri Jan  2 10:45:50 +14 2026
+I: pbuilder-time-stamp: 1767300350