Diff of the two buildlogs:

--
--- b1/build.log	2024-01-12 07:05:00.443095700 +0000
+++ b2/build.log	2024-01-12 07:18:58.171489897 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Feb 13 01:26:43 -12 2025
-I: pbuilder-time-stamp: 1739453203
+I: Current time: Fri Jan 12 21:05:08 +14 2024
+I: pbuilder-time-stamp: 1705043108
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -27,49 +27,81 @@
 dpkg-source: info: applying 1001_shared_Module-Package.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2356934/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1375371/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos1-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 12 07:06 /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/1375371/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1375371/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=16 '
-  DISTRIBUTION='bookworm'
-  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]="15" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
+  BASH_VERSION='5.2.15(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=15 '
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='cda2384a663446a1b56ef5e23acf2e33'
-  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='2356934'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=59406e4f16e3431398945b2e73752aea
+  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=1375371
   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.lXleJHq6/pbuilderrc_KMxm --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.lXleJHq6/b1 --logfile b1/build.log librdf-rdfa-parser-perl_1.097-2.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://85.184.249.68:3128'
+  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.lXleJHq6/pbuilderrc_WzOY --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.lXleJHq6/b2 --logfile b2/build.log librdf-rdfa-parser-perl_1.097-2.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://78.137.99.97:3128
 I: uname -a
-  Linux ionos15-amd64 6.5.0-0.deb12.4-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.5.10-1~bpo12+1 (2023-11-23) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-17-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.69-1 (2023-12-30) x86_64 GNU/Linux
 I: ls -l /bin
   total 5632
   -rwxr-xr-x 1 root root 1265648 Apr 23  2023 bash
@@ -127,15 +159,15 @@
   -rwxr-xr-x 1 root root   52112 Sep 20  2022 readlink
   -rwxr-xr-x 1 root root   72752 Sep 20  2022 rm
   -rwxr-xr-x 1 root root   56240 Sep 20  2022 rmdir
-  -rwxr-xr-x 1 root root   27560 Jul 28  2023 run-parts
+  -rwxr-xr-x 1 root root   27560 Jul 28 23:46 run-parts
   -rwxr-xr-x 1 root root  126424 Jan  5  2023 sed
-  lrwxrwxrwx 1 root root       4 Jan  5  2023 sh -> dash
+  lrwxrwxrwx 1 root root       9 Jan 12 07:06 sh -> /bin/bash
   -rwxr-xr-x 1 root root   43888 Sep 20  2022 sleep
   -rwxr-xr-x 1 root root   85008 Sep 20  2022 stty
   -rwsr-xr-x 1 root root   72000 Mar 23  2023 su
   -rwxr-xr-x 1 root root   39824 Sep 20  2022 sync
   -rwxr-xr-x 1 root root  531984 Apr  6  2023 tar
-  -rwxr-xr-x 1 root root   14520 Jul 28  2023 tempfile
+  -rwxr-xr-x 1 root root   14520 Jul 28 23:46 tempfile
   -rwxr-xr-x 1 root root  109616 Sep 20  2022 touch
   -rwxr-xr-x 1 root root   35664 Sep 20  2022 true
   -rwxr-xr-x 1 root root   14568 Mar 23  2023 ulockmgr_server
@@ -155,7 +187,7 @@
   -rwxr-xr-x 1 root root    2206 Apr 10  2022 zless
   -rwxr-xr-x 1 root root    1842 Apr 10  2022 zmore
   -rwxr-xr-x 1 root root    4577 Apr 10  2022 znew
-I: user script /srv/workspace/pbuilder/2356934/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/1375371/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -418,7 +450,7 @@
 Get: 195 http://deb.debian.org/debian bookworm/main amd64 libmodule-package-rdf-perl all 0.014-2 [15.4 kB]
 Get: 196 http://deb.debian.org/debian bookworm/main amd64 libxml-atom-owl-perl all 0.104-2 [27.4 kB]
 Get: 197 http://deb.debian.org/debian bookworm/main amd64 libxml-regexp-perl all 0.04-1.1 [7500 B]
-Fetched 33.8 MB in 1s (63.1 MB/s)
+Fetched 33.8 MB in 7s (4879 kB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sgml-base.
 (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 ... 18148 files and directories currently installed.)
@@ -1239,7 +1271,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/librdf-rdfa-parser-perl-1.097/ && 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  > ../librdf-rdfa-parser-perl_1.097-2_source.changes
+I: user script /srv/workspace/pbuilder/1375371/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for bookworm
+I: user script /srv/workspace/pbuilder/1375371/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/librdf-rdfa-parser-perl-1.097/ && 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  > ../librdf-rdfa-parser-perl_1.097-2_source.changes
 dpkg-buildpackage: info: source package librdf-rdfa-parser-perl
 dpkg-buildpackage: info: source version 1.097-2
 dpkg-buildpackage: info: source distribution unstable
@@ -1267,25 +1303,25 @@
 *** Checking for Perl dependencies...
 [Core Features]
 - Test::More          ...loaded. (1.302190 >= 0.61)
-- HTTP::Response      ...loaded. (6.44)
 - ExtUtils::MakeMaker ...loaded. (7.64 >= 6.59)
-- URI                 ...loaded. (5.17)
-- URI::file           ...loaded. (5.17)
-- parent              ...loaded. (0.238)
+- HTTP::Response      ...loaded. (6.44)
+- Carp                ...loaded. (1.52)
+- common::sense       ...loaded. (3.75)
+- XML::LibXML         ...loaded. (2.0134 >= 1.66)
 - RDF::Trine          ...loaded. (1.019 >= 0.130)
+- File::ShareDir      ...loaded. (1.118)
 - Storable            ...loaded. (3.26)
-- Scalar::Util        ...loaded. (1.62)
 - Data::UUID          ...loaded. (1.0602)
-- File::ShareDir      ...loaded. (1.118)
-- XML::LibXML         ...loaded. (2.0134 >= 1.66)
+- URI                 ...loaded. (5.17)
+- XML::RegExp         ...loaded. (0.04)
+- URI::file           ...loaded. (5.17)
 - URI::Escape         ...loaded. (5.17)
 - LWP::UserAgent      ...loaded. (6.68)
-- common::sense       ...loaded. (3.75)
-- File::Temp          ...loaded. (0.2311 >= 0.17)
-- HTML::HTML5::Parser ...loaded. (0.992)
-- Carp                ...loaded. (1.52)
-- XML::RegExp         ...loaded. (0.04)
 - HTML::HTML5::Sanity ...loaded. (0.105)
+- HTML::HTML5::Parser ...loaded. (0.992)
+- parent              ...loaded. (0.238)
+- Scalar::Util        ...loaded. (1.62)
+- File::Temp          ...loaded. (0.2311 >= 0.17)
 *** Module::AutoInstall configuration finished.
 Checking if your kit is complete...
 Warning: the following files are missing in your kit:
@@ -1296,17 +1332,17 @@
 Writing Makefile for RDF::RDFa::Parser
 Writing MYMETA.yml and MYMETA.json
    dh_auto_build
-	make -j16
+	make -j15
 make[1]: Entering directory '/build/reproducible-path/librdf-rdfa-parser-perl-1.097'
-cp lib/RDF/RDFa/Parser/OpenDocumentObjectModel.pm blib/lib/RDF/RDFa/Parser/OpenDocumentObjectModel.pm
+cp lib/RDF/RDFa/Parser/Config.pm blib/lib/RDF/RDFa/Parser/Config.pm
 cp lib/RDF/RDFa/Parser/InitialContext.pm blib/lib/RDF/RDFa/Parser/InitialContext.pm
+cp lib/RDF/RDFa/Parser/OpenDocumentObjectModel.pm blib/lib/RDF/RDFa/Parser/OpenDocumentObjectModel.pm
 cp lib/RDF/RDFa/Parser.pm blib/lib/RDF/RDFa/Parser.pm
 cp lib/RDF/TrineX/Parser/RDFa.pm blib/lib/RDF/TrineX/Parser/RDFa.pm
-cp lib/RDF/RDFa/Parser/Config.pm blib/lib/RDF/RDFa/Parser/Config.pm
 Manifying 5 pod documents
 make[1]: Leaving directory '/build/reproducible-path/librdf-rdfa-parser-perl-1.097'
    dh_auto_test
-	make -j16 test TEST_VERBOSE=1
+	make -j15 test TEST_VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/librdf-rdfa-parser-perl-1.097'
 PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(1, 'inc', 'blib/lib', 'blib/arch')" t/01basic.t t/02curie.t t/03lang.t t/04xmlliteral.t t/05namedgraphs.t t/06xmlbase.t t/07rdfxml.t t/08atom.t t/09opendocument.t t/10trine.t
 t/01basic.t ......... 
@@ -1418,20 +1454,20 @@
 ok 6
 ok
 All tests successful.
-Files=10, Tests=77, 21 wallclock secs ( 0.06 usr  0.03 sys + 19.20 cusr  1.85 csys = 21.14 CPU)
+Files=10, Tests=77, 244 wallclock secs ( 0.32 usr  0.08 sys + 100.18 cusr  9.92 csys = 110.50 CPU)
 Result: PASS
 make[1]: Leaving directory '/build/reproducible-path/librdf-rdfa-parser-perl-1.097'
    create-stamp debian/debhelper-build-stamp
    dh_prep
    dh_auto_install --destdir=debian/librdf-rdfa-parser-perl/
-	make -j16 install DESTDIR=/build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
+	make -j15 install DESTDIR=/build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
 make[1]: Entering directory '/build/reproducible-path/librdf-rdfa-parser-perl-1.097'
 Manifying 5 pod documents
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/TrineX/Parser/RDFa.pm
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser.pm
-Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser/Config.pm
-Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser/InitialContext.pm
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser/OpenDocumentObjectModel.pm
+Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser/InitialContext.pm
+Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/RDF/RDFa/Parser/Config.pm
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/auto/share/dist/RDF-RDFa-Parser/catalogue/index.xml
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/auto/share/dist/RDF-RDFa-Parser/catalogue/www.w3.org/TR/xhtml-modularization/DTD/xhtml-basic-form-1.mod
 Installing /build/reproducible-path/librdf-rdfa-parser-perl-1.097/debian/librdf-rdfa-parser-perl/usr/share/perl5/auto/share/dist/RDF-RDFa-Parser/catalogue/www.w3.org/TR/xhtml-modularization/DTD/xhtml-inlstyle-1.mod
@@ -1579,12 +1615,14 @@
 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/1375371/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1375371/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/2356934 and its subdirectories
-I: Current time: Thu Feb 13 01:28:02 -12 2025
-I: pbuilder-time-stamp: 1739453282
+I: removing directory /srv/workspace/pbuilder/1375371 and its subdirectories
+I: Current time: Fri Jan 12 21:18:56 +14 2024
+I: pbuilder-time-stamp: 1705043936