Diff of the two buildlogs:

--
--- b1/build.log	2025-01-17 12:52:06.987809173 +0000
+++ b2/build.log	2025-01-17 12:53:10.680933885 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Feb 19 07:14:40 -12 2026
-I: pbuilder-time-stamp: 1771528480
+I: Current time: Sat Jan 18 02:52:10 +14 2025
+I: pbuilder-time-stamp: 1737118330
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying cross.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/999248/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2662007/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink02-arm64.
+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 17 12:52 /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/2662007/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2662007/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='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  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]="aarch64-unknown-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=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='75fd740926634a69b25b6d7ad9ac7d6a'
-  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='999248'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=87b1c2b8e2134a9897d5bd0e92cd39db
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-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=2662007
   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.sQbFWmM1/pbuilderrc_1wDW --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.sQbFWmM1/b1 --logfile b1/build.log libxml-bare-perl_0.53-4.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.4:3128'
+  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.sQbFWmM1/pbuilderrc_jUST --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.sQbFWmM1/b2 --logfile b2/build.log libxml-bare-perl_0.53-4.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink01-arm64 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/999248/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2662007/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -142,7 +174,7 @@
 Get: 29 http://deb.debian.org/debian unstable/main arm64 po-debconf all 1.0.21+nmu1 [248 kB]
 Get: 30 http://deb.debian.org/debian unstable/main arm64 debhelper all 13.23 [919 kB]
 Get: 31 http://deb.debian.org/debian unstable/main arm64 libperl-dev arm64 5.40.0-8 [1022 kB]
-Fetched 21.1 MB in 0s (147 MB/s)
+Fetched 21.1 MB in 0s (76.4 MB/s)
 Preconfiguring packages ...
 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 ... 19965 files and directories currently installed.)
@@ -281,7 +313,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/libxml-bare-perl-0.53/ && 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  > ../libxml-bare-perl_0.53-4_source.changes
+I: user script /srv/workspace/pbuilder/2662007/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/2662007/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libxml-bare-perl-0.53/ && 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  > ../libxml-bare-perl_0.53-4_source.changes
 dpkg-buildpackage: info: source package libxml-bare-perl
 dpkg-buildpackage: info: source version 0.53-4
 dpkg-buildpackage: info: source distribution unstable
@@ -306,11 +342,11 @@
 	make -j12
 make[1]: Entering directory '/build/reproducible-path/libxml-bare-perl-0.53'
 Running Mkbootstrap for Bare ()
+cp Bare.pm blib/lib/XML/Bare.pm
+chmod 644 "Bare.bs"
 "/usr/bin/perl" "/usr/share/perl/5.40/ExtUtils/xsubpp"  -nolinenumbers -typemap '/usr/share/perl/5.40/ExtUtils/typemap'  Bare.xs > Bare.xsc
 aarch64-linux-gnu-gcc -c   -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/libxml-bare-perl-0.53=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2   -DVERSION=\"0.53\" -DXS_VERSION=\"0.53\" -fPIC "-I/usr/lib/aarch64-linux-gnu/perl/5.40/CORE"   parser.c
-chmod 644 "Bare.bs"
 "/usr/bin/perl" -MExtUtils::Command::MM -e 'cp_nonempty' -- Bare.bs blib/arch/auto/XML/Bare/Bare.bs 644
-cp Bare.pm blib/lib/XML/Bare.pm
 Please specify prototyping behavior for Bare.xs (see perlxs manual)
 mv Bare.xsc Bare.c
 aarch64-linux-gnu-gcc -c   -D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/libxml-bare-perl-0.53=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wdate-time -D_FORTIFY_SOURCE=2   -DVERSION=\"0.53\" -DXS_VERSION=\"0.53\" -fPIC "-I/usr/lib/aarch64-linux-gnu/perl/5.40/CORE"   Bare.c
@@ -414,60 +450,60 @@
 t/UTF8_Attributes.t .......... 
 ok 1 - use XML::Bare;
 ok 2 - Round trip XML identical
-ok 3 - iso_oo has char attribute
-ok 4 - Character iso_oo is Valid
-ok 5 - String returned for iso_oo is 1 char long
-ok 6 - Character iso_oo OK
-ok 7 - euro has char attribute
-ok 8 - Character euro is correct encoding
-ok 9 - Character euro is Valid
-ok 10 - String returned for euro is 1 char long
-ok 11 - Character euro OK
-ok 12 - oo has char attribute
-ok 13 - Character oo is Valid
-ok 14 - String returned for oo is 1 char long
-ok 15 - Character oo OK
+ok 3 - euro has char attribute
+ok 4 - Character euro is correct encoding
+ok 5 - Character euro is Valid
+ok 6 - String returned for euro is 1 char long
+ok 7 - Character euro OK
+ok 8 - hash has char attribute
+ok 9 - Character hash is Valid
+ok 10 - String returned for hash is 1 char long
+ok 11 - Character hash OK
+ok 12 - aa has char attribute
+ok 13 - Character aa is Valid
+ok 14 - String returned for aa is 1 char long
+ok 15 - Character aa OK
 ok 16 - iso_a has char attribute
 ok 17 - Character iso_a is Valid
 ok 18 - String returned for iso_a is 1 char long
 ok 19 - Character iso_a OK
-ok 20 - hash has char attribute
-ok 21 - Character hash is Valid
-ok 22 - String returned for hash is 1 char long
-ok 23 - Character hash OK
-ok 24 - aa has char attribute
-ok 25 - Character aa is Valid
-ok 26 - String returned for aa is 1 char long
-ok 27 - Character aa OK
+ok 20 - oo has char attribute
+ok 21 - Character oo is Valid
+ok 22 - String returned for oo is 1 char long
+ok 23 - Character oo OK
+ok 24 - iso_oo has char attribute
+ok 25 - Character iso_oo is Valid
+ok 26 - String returned for iso_oo is 1 char long
+ok 27 - Character iso_oo OK
 1..27
 ok
 t/UTF8_Values.t .............. 
 ok 1 - use XML::Bare;
 ok 2 - Round trip XML identical
-ok 3 - Character aa is Valid
-ok 4 - String returned for aa is 1 char long
-ok 5 - Character aa OK
-ok 6 - Character hash is Valid
-ok 7 - String returned for hash is 1 char long
-ok 8 - Character hash OK
-ok 9 - Character iso_oo is Valid
-ok 10 - String returned for iso_oo is 1 char long
-ok 11 - Character iso_oo OK
-ok 12 - Character iso_a is Valid
-ok 13 - String returned for iso_a is 1 char long
-ok 14 - Character iso_a OK
-ok 15 - Character euro is correct encoding
-ok 16 - Character euro is Valid
-ok 17 - String returned for euro is 1 char long
-ok 18 - Character euro OK
-ok 19 - Character oo is Valid
-ok 20 - String returned for oo is 1 char long
-ok 21 - Character oo OK
+ok 3 - Character oo is Valid
+ok 4 - String returned for oo is 1 char long
+ok 5 - Character oo OK
+ok 6 - Character euro is correct encoding
+ok 7 - Character euro is Valid
+ok 8 - String returned for euro is 1 char long
+ok 9 - Character euro OK
+ok 10 - Character aa is Valid
+ok 11 - String returned for aa is 1 char long
+ok 12 - Character aa OK
+ok 13 - Character iso_oo is Valid
+ok 14 - String returned for iso_oo is 1 char long
+ok 15 - Character iso_oo OK
+ok 16 - Character iso_a is Valid
+ok 17 - String returned for iso_a is 1 char long
+ok 18 - Character iso_a OK
+ok 19 - Character hash is Valid
+ok 20 - String returned for hash is 1 char long
+ok 21 - Character hash OK
 ok 22 - Written file reads back in the same
 1..22
 ok
 All tests successful.
-Files=11, Tests=93,  3 wallclock secs ( 0.06 usr  0.03 sys +  2.09 cusr  0.47 csys =  2.65 CPU)
+Files=11, Tests=93,  6 wallclock secs ( 0.05 usr  0.00 sys +  1.25 cusr  0.26 csys =  1.56 CPU)
 Result: PASS
 make[1]: Leaving directory '/build/reproducible-path/libxml-bare-perl-0.53'
    create-stamp debian/debhelper-build-stamp
@@ -511,8 +547,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'libxml-bare-perl' in '../libxml-bare-perl_0.53-4_arm64.deb'.
 dpkg-deb: building package 'libxml-bare-perl-dbgsym' in '../libxml-bare-perl-dbgsym_0.53-4_arm64.deb'.
+dpkg-deb: building package 'libxml-bare-perl' in '../libxml-bare-perl_0.53-4_arm64.deb'.
  dpkg-genbuildinfo --build=binary -O../libxml-bare-perl_0.53-4_arm64.buildinfo
  dpkg-genchanges --build=binary -O../libxml-bare-perl_0.53-4_arm64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -520,12 +556,14 @@
 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/2662007/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2662007/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/999248 and its subdirectories
-I: Current time: Thu Feb 19 07:15:05 -12 2026
-I: pbuilder-time-stamp: 1771528505
+I: removing directory /srv/workspace/pbuilder/2662007 and its subdirectories
+I: Current time: Sat Jan 18 02:53:09 +14 2025
+I: pbuilder-time-stamp: 1737118389