Diff of the two buildlogs:

--
--- b1/build.log	2024-12-17 20:37:04.437010594 +0000
+++ b2/build.log	2024-12-17 20:38:38.836734415 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Jan 19 14:59:19 -12 2026
-I: pbuilder-time-stamp: 1768877959
+I: Current time: Wed Dec 18 10:37:07 +14 2024
+I: pbuilder-time-stamp: 1734467827
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -27,54 +27,86 @@
 dpkg-source: info: unpacking libregexp-pattern-license-perl_3.11.2-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/105291/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/17375/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos12-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 Dec 17 20:37 /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/17375/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/17375/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='fd9db8bc90cd496694e8e03184da6469'
-  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='105291'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=43af25b7599741afa8cc84eda7947f58
+  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=17375
   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.JcWa9D0z/pbuilderrc_BsJJ --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.JcWa9D0z/b1 --logfile b1/build.log libregexp-pattern-license-perl_3.11.2-1.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.JcWa9D0z/pbuilderrc_ipnf --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.JcWa9D0z/b2 --logfile b2/build.log libregexp-pattern-license-perl_3.11.2-1.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 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/105291/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/17375/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -162,7 +194,7 @@
 Get: 38 http://deb.debian.org/debian unstable/main i386 libtest-without-module-perl all 0.23-1 [11.1 kB]
 Get: 39 http://deb.debian.org/debian unstable/main i386 libtest2-suite-perl all 0.000163-1 [383 kB]
 Get: 40 http://deb.debian.org/debian unstable/main i386 libtry-tiny-perl all 0.32-1 [22.9 kB]
-Fetched 21.3 MB in 0s (86.8 MB/s)
+Fetched 21.3 MB in 1s (21.8 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 ... 19952 files and directories currently installed.)
@@ -337,7 +369,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/libregexp-pattern-license-perl-3.11.2/ && 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  > ../libregexp-pattern-license-perl_3.11.2-1_source.changes
+I: user script /srv/workspace/pbuilder/17375/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/17375/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libregexp-pattern-license-perl-3.11.2/ && 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  > ../libregexp-pattern-license-perl_3.11.2-1_source.changes
 dpkg-buildpackage: info: source package libregexp-pattern-license-perl
 dpkg-buildpackage: info: source version 3.11.2-1
 dpkg-buildpackage: info: source distribution unstable
@@ -359,18 +395,18 @@
 Writing Makefile for Regexp::Pattern::License
 Writing MYMETA.yml and MYMETA.json
    dh_auto_build
-	make -j22
+	make -j10
 make[1]: Entering directory '/build/reproducible-path/libregexp-pattern-license-perl-3.11.2'
 cp lib/Regexp/Pattern/License.pm blib/lib/Regexp/Pattern/License.pm
 cp lib/Regexp/Pattern/License/Parts.pm blib/lib/Regexp/Pattern/License/Parts.pm
 Manifying 2 pod documents
 make[1]: Leaving directory '/build/reproducible-path/libregexp-pattern-license-perl-3.11.2'
    dh_auto_test
-	make -j22 test TEST_VERBOSE=1
+	make -j10 test TEST_VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/libregexp-pattern-license-perl-3.11.2'
 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/*.t
 t/01-basic.t ....................... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..4
 ok 1 - get unknown -> dies
 ok 2 - get {
@@ -391,7 +427,7 @@
 }
 ok
 t/02-regexp-pattern.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..5
 ok 1
 ok 2 - re object is a Regexp
@@ -4034,7 +4070,7 @@
 ok 5 - parts
 ok
 t/02-regexp-pattern_RE2.t .......... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..5
 ok 1
 ok 2 - re object is a Regexp
@@ -7677,18 +7713,18 @@
 ok 5 - parts
 ok
 t/02-regexp-pattern_RE2_missing.t .. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - call with engine RE2 -> dies
 ok
 t/02-structure.t ................... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 ok 1 - object names match Regexp::Pattern spec
 ok 2 - properties match Regexp::Pattern spec and attributes are alt + key/value pairs
 1..2
 ok
 t/03-match-normalized.t ............ 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..468
 ok 1 - license aal; check coverage {
     ok 1 - pattern object exists
@@ -29555,112 +29591,112 @@
 }
 ok
 t/coverage-cc-deprecated.t ......... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of Creative Commons Public licenses
 ok
 t/coverage-cc.t .................... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of Creative Commons Public licenses
 ok
 t/coverage-fedora-2.53.t ........... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of Fedora snapshot from 2021-07-31
 ok
 t/coverage-osi.t ................... 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of <https://opensource.org/licenses/alphabetical> (plus unlisted entries gpl-license lgpl-license LGPL-2.0)
 ok
 t/coverage-perl.t .................. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of <https://metacpan.org/pod/CPAN::Meta::Spec\#license>
 ok
 t/coverage-spdx-1.16.t ............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 1.16, released 2012-06-20
 ok
 t/coverage-spdx-1.17.t ............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 1.17, released 2013-01-17
 ok
 t/coverage-spdx-1.18.t ............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 1.18, releases 2013-04-10
 ok
 t/coverage-spdx-1.19.t ............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 1.19, git tagged 2013-09-12
 ok
 t/coverage-spdx-1.20.t ............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 1.20, git tagged 2014-08-07
 ok
 t/coverage-spdx-2.0.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.0, announced 2015-05-13
 ok
 t/coverage-spdx-2.1.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.1, released 2015-07-30
 ok
 t/coverage-spdx-2.2.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.2, released 2015-09-30
 ok
 t/coverage-spdx-2.3.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.3, released 2016-01-03
 ok
 t/coverage-spdx-2.4.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.4, git tagged 2016-03-23
 ok
 t/coverage-spdx-2.5.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.5, released 2016-07-21
 ok
 t/coverage-spdx-2.6.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 2.6, released 2017-01-06
 ok
 t/coverage-spdx-3.0.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of SPDX 3.0, released 2017-12-28
 ok
 t/coverage-tldr.t .................. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of <https://tldrlegal.com/search?reverse=true> (except bogus entries)
 ok
 t/coverage-trove.t ................. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of PyPA/PyPI trove classifiers
 ok
 t/coverage-wikidata.t .............. 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..1
 ok 1 - coverage of Creative Commons Public licenses
 ok
 t/version.t ........................ 
-# Seeded srand with seed '20260120' from local date.
+# Seeded srand with seed '20241217' from local date.
 1..37
 # (?:(?:(?:[-–]\s{0,3})?)|[;:,、,]? ?(?:either|only)? ?|(?: [-–—]{1,2} )|:?(?:\s{1,3}))?[((]? ?(?:[Vv]ersion [Vv]?|VERSION |rev(?:ision)? |[Vv]\.? ?)?(?P<version_number>\d(?:\.\d+){0,2}[a-f]?\b) ?(?:(?:of the )?Licen[cs]e)?(?:(?:[.]?(?:\s{1,3})|,? )?(?P<version_later>(?:[((] ?)?(?:and|or)(?: (?:[((] ?)?(?:at )?your (?:option|choice)(?: ?[))])?)?(?: any)? (?:later|above|newer|higher)(?: version)?(?: (?:[((] ?)?(?:at )?your (?:option|choice)(?: ?[))])?)?)|(?:,(?: or)?|or)(?:,? (?:[((] ?)?(?:at )?your (?:option|choice)(?: ?[))])?,?)? ?(?:[Vv]ersion [Vv]?|VERSION |rev(?:ision)? |[Vv]\.? ?)?(?P<version_number_2>\d(?:\.\d+){0,2}[a-f]?\b) ?(?:(?:of the )?Licen[cs]e)?(?: ?(?P<version_only>only|[((]no other versions?(?: is allowed)?!?[))]))?(?: ?(?:[((] ?)?(?:at )?your (?:option|choice)(?: ?[))])?)?)?(?: ?[))])? ?(?P<version_of>of\b)? ?
 ok 1
@@ -29711,13 +29747,13 @@
 ok 37
 ok
 All tests successful.
-Files=28, Tests=543, 20 wallclock secs ( 0.88 usr  0.10 sys + 19.52 cusr  0.72 csys = 21.22 CPU)
+Files=28, Tests=543, 41 wallclock secs ( 1.68 usr  0.16 sys + 39.60 cusr  1.38 csys = 42.82 CPU)
 Result: PASS
 make[1]: Leaving directory '/build/reproducible-path/libregexp-pattern-license-perl-3.11.2'
    create-stamp debian/debhelper-build-stamp
    dh_prep
    dh_auto_install --destdir=debian/libregexp-pattern-license-perl/
-	make -j22 install DESTDIR=/build/reproducible-path/libregexp-pattern-license-perl-3.11.2/debian/libregexp-pattern-license-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
+	make -j10 install DESTDIR=/build/reproducible-path/libregexp-pattern-license-perl-3.11.2/debian/libregexp-pattern-license-perl AM_UPDATE_INFO_DIR=no PREFIX=/usr
 make[1]: Entering directory '/build/reproducible-path/libregexp-pattern-license-perl-3.11.2'
 Manifying 2 pod documents
 Installing /build/reproducible-path/libregexp-pattern-license-perl-3.11.2/debian/libregexp-pattern-license-perl/usr/share/perl5/Regexp/Pattern/License.pm
@@ -29746,12 +29782,14 @@
 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/17375/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/17375/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/105291 and its subdirectories
-I: Current time: Mon Jan 19 15:00:02 -12 2026
-I: pbuilder-time-stamp: 1768878002
+I: removing directory /srv/workspace/pbuilder/17375 and its subdirectories
+I: Current time: Wed Dec 18 10:38:38 +14 2024
+I: pbuilder-time-stamp: 1734467918