Diff of the two buildlogs:

--
--- b1/build.log	2023-04-13 20:29:02.519611615 +0000
+++ b2/build.log	2023-04-13 20:30:25.359935837 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Apr 13 08:28:11 -12 2023
-I: pbuilder-time-stamp: 1681417691
+I: Current time: Thu May 16 16:52:05 +14 2024
+I: pbuilder-time-stamp: 1715827926
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./lua-cliargs_3.0-2.orig.tar.gz]
 I: copying [./lua-cliargs_3.0-2-5.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Sat Dec 10 18:43:45 2022 -12
+gpgv: Signature made Sun Dec 11 20:43:45 2022 +14
 gpgv:                using RSA key B23862C415D6565A4E86CBD7579C160D4C9E23E8
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./lua-cliargs_3.0-2-5.dsc: no acceptable signature found
@@ -27,11 +27,20 @@
 dpkg-source: info: applying use_lyaml.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/31104/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/27080/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink9-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
+lrwxrwxrwx 1 root root 4 Jan  6  2023 /bin/sh -> dash
+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/27080/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/27080/tmp/hooks/D02_print_environment starting
 I: set
   BUILDDIR='/build'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
+  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=8'
@@ -41,38 +50,38 @@
   IFS=' 	
   '
   LANG='C'
-  LANGUAGE='en_US:en'
+  LANGUAGE='nl_BE:nl'
   LC_ALL='C'
   MAIL='/var/mail/root'
   OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
+  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'
-  PPID='31104'
+  PPID='27080'
   PS1='# '
   PS2='> '
   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.EShE1bHL/pbuilderrc_V9Wm --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.EShE1bHL/b1 --logfile b1/build.log lua-cliargs_3.0-2-5.dsc'
+  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.EShE1bHL/pbuilderrc_s814 --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.EShE1bHL/b2 --logfile b2/build.log --extrapackages usrmerge lua-cliargs_3.0-2-5.dsc'
   SUDO_GID='117'
   SUDO_UID='110'
   SUDO_USER='jenkins'
   TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
+  TZ='/usr/share/zoneinfo/Etc/GMT-14'
   USER='root'
   USERNAME='root'
   _='/usr/bin/systemd-run'
   http_proxy='http://192.168.101.16:3128'
 I: uname -a
-  Linux codethink16-arm64 4.15.0-208-generic #220-Ubuntu SMP Mon Mar 20 14:28:12 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-208-generic #220-Ubuntu SMP Mon Mar 20 14:28:12 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Apr 10 22:26 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/31104/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 15 06:47 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/27080/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -185,7 +194,7 @@
 Get: 65 http://deb.debian.org/debian bookworm/main arm64 lua-system arm64 0.2.1-6 [6544 B]
 Get: 66 http://deb.debian.org/debian bookworm/main arm64 lua-term arm64 0.07-1+b1 [7840 B]
 Get: 67 http://deb.debian.org/debian bookworm/main arm64 lua-busted all 2.1.1-1 [33.2 kB]
-Fetched 21.2 MB in 2s (9053 kB/s)
+Fetched 21.2 MB in 3s (7069 kB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package readline-common.
 (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 ... 19616 files and directories currently installed.)
@@ -473,10 +482,15 @@
 Reading package lists...
 Building dependency tree...
 Reading state information...
+usrmerge is already the newest version (35).
 fakeroot is already the newest version (1.31-1.2).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/lua-cliargs-3.0-2/ && 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  > ../lua-cliargs_3.0-2-5_source.changes
+I: user script /srv/workspace/pbuilder/27080/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/27080/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/lua-cliargs-3.0-2/ && 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  > ../lua-cliargs_3.0-2-5_source.changes
 dpkg-buildpackage: info: source package lua-cliargs
 dpkg-buildpackage: info: source version 3.0-2-5
 dpkg-buildpackage: info: source distribution unstable
@@ -639,7 +653,7 @@
 Copying src/cliargs.lua src/cliargs/config_loader.lua src/cliargs/constants.lua src/cliargs/core.lua src/cliargs/parser.lua src/cliargs/printer.lua src/cliargs/utils/disect.lua src/cliargs/utils/disect_argument.lua src/cliargs/utils/filter.lua src/cliargs/utils/lookup.lua src/cliargs/utils/shallow_copy.lua src/cliargs/utils/split.lua src/cliargs/utils/trim.lua src/cliargs/utils/wordwrap.lua in /build/lua-cliargs-3.0-2/5.1-cliargs for test
 ****************** lua dynamic custom (5.1) ******
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-175 successes / 0 failures / 0 errors / 0 pending : 0.214445 seconds
+175 successes / 0 failures / 0 errors / 0 pending : 0.298563 seconds
 *************************************************
 Target test made
 
@@ -649,7 +663,7 @@
 Copying src/cliargs.lua src/cliargs/config_loader.lua src/cliargs/constants.lua src/cliargs/core.lua src/cliargs/parser.lua src/cliargs/printer.lua src/cliargs/utils/disect.lua src/cliargs/utils/disect_argument.lua src/cliargs/utils/filter.lua src/cliargs/utils/lookup.lua src/cliargs/utils/shallow_copy.lua src/cliargs/utils/split.lua src/cliargs/utils/trim.lua src/cliargs/utils/wordwrap.lua in /build/lua-cliargs-3.0-2/5.2-cliargs for test
 ****************** lua dynamic custom (5.2) ******
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-175 successes / 0 failures / 0 errors / 0 pending : 0.209319 seconds
+175 successes / 0 failures / 0 errors / 0 pending : 0.308943 seconds
 *************************************************
 Target test made
 
@@ -659,7 +673,7 @@
 Copying src/cliargs.lua src/cliargs/config_loader.lua src/cliargs/constants.lua src/cliargs/core.lua src/cliargs/parser.lua src/cliargs/printer.lua src/cliargs/utils/disect.lua src/cliargs/utils/disect_argument.lua src/cliargs/utils/filter.lua src/cliargs/utils/lookup.lua src/cliargs/utils/shallow_copy.lua src/cliargs/utils/split.lua src/cliargs/utils/trim.lua src/cliargs/utils/wordwrap.lua in /build/lua-cliargs-3.0-2/5.3-cliargs for test
 ****************** lua dynamic custom (5.3) ******
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-175 successes / 0 failures / 0 errors / 0 pending : 0.563809 seconds
+175 successes / 0 failures / 0 errors / 0 pending : 0.741519 seconds
 *************************************************
 Target test made
 
@@ -669,7 +683,7 @@
 Copying src/cliargs.lua src/cliargs/config_loader.lua src/cliargs/constants.lua src/cliargs/core.lua src/cliargs/parser.lua src/cliargs/printer.lua src/cliargs/utils/disect.lua src/cliargs/utils/disect_argument.lua src/cliargs/utils/filter.lua src/cliargs/utils/lookup.lua src/cliargs/utils/shallow_copy.lua src/cliargs/utils/split.lua src/cliargs/utils/trim.lua src/cliargs/utils/wordwrap.lua in /build/lua-cliargs-3.0-2/5.4-cliargs for test
 ****************** lua dynamic custom (5.4) ******
 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-175 successes / 0 failures / 0 errors / 0 pending : 0.517657 seconds
+175 successes / 0 failures / 0 errors / 0 pending : 0.691452 seconds
 *************************************************
 Target test made
 
@@ -795,12 +809,14 @@
 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/27080/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/27080/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/31104 and its subdirectories
-I: Current time: Thu Apr 13 08:29:01 -12 2023
-I: pbuilder-time-stamp: 1681417741
+I: removing directory /srv/workspace/pbuilder/27080 and its subdirectories
+I: Current time: Thu May 16 16:53:24 +14 2024
+I: pbuilder-time-stamp: 1715828004