Diff of the two buildlogs:

--
--- b1/build.log	2023-04-09 17:57:53.300719235 +0000
+++ b2/build.log	2023-04-09 17:59:00.750467534 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr  9 05:56:58 -12 2023
-I: pbuilder-time-stamp: 1681063018
+I: Current time: Sun May 12 14:20:56 +14 2024
+I: pbuilder-time-stamp: 1715473256
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -17,7 +17,7 @@
 I: copying [./strip-nondeterminism_1.13.1.orig.tar.bz2.asc]
 I: copying [./strip-nondeterminism_1.13.1-1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Sun Jan 15 08:06:37 2023 -12
+gpgv: Signature made Mon Jan 16 10:06:37 2023 +14
 gpgv:                using RSA key B8BF54137B09D35CF026FE9D091AB856069AAA1C
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./strip-nondeterminism_1.13.1-1.dsc: no acceptable signature found
@@ -26,11 +26,20 @@
 dpkg-source: info: unpacking strip-nondeterminism_1.13.1-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/9585/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/28216/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink11-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/28216/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/28216/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'
@@ -40,38 +49,38 @@
   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='9585'
+  PPID='28216'
   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.Mz33d5tr/pbuilderrc_LFZ5 --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.Mz33d5tr/b1 --logfile b1/build.log strip-nondeterminism_1.13.1-1.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.Mz33d5tr/pbuilderrc_RAjA --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.Mz33d5tr/b2 --logfile b2/build.log --extrapackages usrmerge strip-nondeterminism_1.13.1-1.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 codethink10-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  7 22:25 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/9585/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 10 06:48 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/28216/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -152,7 +161,7 @@
 Get: 35 http://deb.debian.org/debian bookworm/main arm64 liburi-perl all 5.17-1 [90.4 kB]
 Get: 36 http://deb.debian.org/debian bookworm/main arm64 libhtml-parser-perl arm64 3.81-1 [98.6 kB]
 Get: 37 http://deb.debian.org/debian bookworm/main arm64 libdevel-cover-perl arm64 1.38-1+b1 [192 kB]
-Fetched 18.8 MB in 0s (39.1 MB/s)
+Fetched 18.8 MB in 0s (42.9 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 ... 19616 files and directories currently installed.)
@@ -314,8 +323,17 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/strip-nondeterminism-1.13.1/ && 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  > ../strip-nondeterminism_1.13.1-1_source.changes
+I: user script /srv/workspace/pbuilder/28216/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/28216/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/strip-nondeterminism-1.13.1/ && 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  > ../strip-nondeterminism_1.13.1-1_source.changes
 dpkg-buildpackage: info: source package strip-nondeterminism
 dpkg-buildpackage: info: source version 1.13.1-1
 dpkg-buildpackage: info: source distribution unstable
@@ -342,19 +360,19 @@
    dh_auto_build
 	make -j8
 make[1]: Entering directory '/build/strip-nondeterminism-1.13.1'
-cp lib/File/StripNondeterminism/handlers/javadoc.pm blib/lib/File/StripNondeterminism/handlers/javadoc.pm
-cp lib/File/StripNondeterminism/handlers/ar.pm blib/lib/File/StripNondeterminism/handlers/ar.pm
 cp lib/File/StripNondeterminism/handlers/pyzip.pm blib/lib/File/StripNondeterminism/handlers/pyzip.pm
-cp lib/File/StripNondeterminism/handlers/cpio.pm blib/lib/File/StripNondeterminism/handlers/cpio.pm
-cp lib/File/StripNondeterminism/handlers/jar.pm blib/lib/File/StripNondeterminism/handlers/jar.pm
+cp lib/File/StripNondeterminism/handlers/gzip.pm blib/lib/File/StripNondeterminism/handlers/gzip.pm
 cp lib/File/StripNondeterminism/handlers/gettext.pm blib/lib/File/StripNondeterminism/handlers/gettext.pm
 cp lib/File/StripNondeterminism/handlers/zip.pm blib/lib/File/StripNondeterminism/handlers/zip.pm
-cp lib/File/StripNondeterminism/handlers/uimage.pm blib/lib/File/StripNondeterminism/handlers/uimage.pm
-cp lib/File/StripNondeterminism/handlers/jmod.pm blib/lib/File/StripNondeterminism/handlers/jmod.pm
-cp lib/File/StripNondeterminism/handlers/gzip.pm blib/lib/File/StripNondeterminism/handlers/gzip.pm
-cp lib/File/StripNondeterminism.pm blib/lib/File/StripNondeterminism.pm
+cp lib/File/StripNondeterminism/handlers/ar.pm blib/lib/File/StripNondeterminism/handlers/ar.pm
 cp lib/File/StripNondeterminism/Common.pm blib/lib/File/StripNondeterminism/Common.pm
+cp lib/File/StripNondeterminism.pm blib/lib/File/StripNondeterminism.pm
+cp lib/File/StripNondeterminism/handlers/jmod.pm blib/lib/File/StripNondeterminism/handlers/jmod.pm
 cp lib/File/StripNondeterminism/handlers/png.pm blib/lib/File/StripNondeterminism/handlers/png.pm
+cp lib/File/StripNondeterminism/handlers/cpio.pm blib/lib/File/StripNondeterminism/handlers/cpio.pm
+cp lib/File/StripNondeterminism/handlers/javadoc.pm blib/lib/File/StripNondeterminism/handlers/javadoc.pm
+cp lib/File/StripNondeterminism/handlers/uimage.pm blib/lib/File/StripNondeterminism/handlers/uimage.pm
+cp lib/File/StripNondeterminism/handlers/jar.pm blib/lib/File/StripNondeterminism/handlers/jar.pm
 cp lib/File/StripNondeterminism/handlers/bflt.pm blib/lib/File/StripNondeterminism/handlers/bflt.pm
 cp bin/dh_strip_nondeterminism blib/script/dh_strip_nondeterminism
 cp bin/strip-nondeterminism blib/script/strip-nondeterminism
@@ -372,13 +390,13 @@
 PERL_DL_NONLAZY=1 "/usr/bin/perl" "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
 t/binaries.t .. ok
 t/failures.t .. ok
-strip-nondeterminism: /tmp/F0yQtHcjTg/android.apk: ignoring signed JAR file
-/tmp/gwXRskpGKU/bug_802057.png: 1182 bytes of garbage after IEND chunk at /build/strip-nondeterminism-1.13.1/blib/lib/File/StripNondeterminism/handlers/png.pm line 172.
-/tmp/WpKbtLz7IO/huge-chunk-size.png: invalid length in 'tEXt' header at /build/strip-nondeterminism-1.13.1/blib/lib/File/StripNondeterminism/handlers/png.pm line 147.
-strip-nondeterminism: /tmp/hXQ3TC_gg1/encrypted.zip: ignoring encrypted zip file
+strip-nondeterminism: /tmp/dTOmWmrJYW/android.apk: ignoring signed JAR file
+/tmp/ZRfwa4479O/bug_802057.png: 1182 bytes of garbage after IEND chunk at /build/strip-nondeterminism-1.13.1/blib/lib/File/StripNondeterminism/handlers/png.pm line 172.
+/tmp/3Nb23NsunT/huge-chunk-size.png: invalid length in 'tEXt' header at /build/strip-nondeterminism-1.13.1/blib/lib/File/StripNondeterminism/handlers/png.pm line 147.
+strip-nondeterminism: /tmp/RzCWcg3g7_/encrypted.zip: ignoring encrypted zip file
 t/fixtures.t .. ok
 All tests successful.
-Files=3, Tests=25, 20 wallclock secs ( 0.09 usr  0.02 sys + 19.50 cusr  1.02 csys = 20.63 CPU)
+Files=3, Tests=25, 22 wallclock secs ( 0.11 usr  0.02 sys + 20.77 cusr  1.10 csys = 22.00 CPU)
 Result: PASS
 make[2]: Leaving directory '/build/strip-nondeterminism-1.13.1'
 Reading database from /build/strip-nondeterminism-1.13.1/cover_db
@@ -387,19 +405,19 @@
 ----------------------------------- ------ ------ ------ ------ ------ ------
 File                                  stmt   bran   cond    sub   time  total
 ----------------------------------- ------ ------ ------ ------ ------ ------
-.../lib/File/StripNondeterminism.pm   83.9   64.5   74.1   78.5   97.2   75.7
+.../lib/File/StripNondeterminism.pm   83.9   64.5   74.1   78.5   97.3   75.7
 ...le/StripNondeterminism/Common.pm  100.0    n/a    n/a  100.0    0.0  100.0
 ...ripNondeterminism/handlers/ar.pm   97.8   63.6   25.0  100.0    0.2   81.4
 ...pNondeterminism/handlers/bflt.pm   98.5   50.0   33.3  100.0    0.0   74.3
 ...pNondeterminism/handlers/cpio.pm   86.9   33.3    n/a  100.0    0.1   78.7
 ...pNondeterminism/handlers/gzip.pm   80.6   42.5   33.3  100.0    0.0   66.9
-...ipNondeterminism/handlers/jar.pm   89.3   60.0   33.3  100.0    0.9   81.5
+...ipNondeterminism/handlers/jar.pm   89.3   60.0   33.3  100.0    1.0   81.5
 ...ndeterminism/handlers/javadoc.pm   96.0   63.6   33.3  100.0    0.0   84.0
 ...pNondeterminism/handlers/jmod.pm  100.0   50.0   33.3  100.0    0.0   86.4
 ...ipNondeterminism/handlers/png.pm   94.6   71.8  100.0   94.1    0.1   89.7
 ...Nondeterminism/handlers/pyzip.pm  100.0   50.0   40.0  100.0    0.0   92.4
 ...ondeterminism/handlers/uimage.pm   98.3   50.0   33.3  100.0    0.0   84.6
-...ipNondeterminism/handlers/zip.pm   76.2   54.0   50.0   83.3    0.9   70.0
+...ipNondeterminism/handlers/zip.pm   76.2   54.0   50.0   83.3    0.7   70.0
 Total                                 89.9   56.8   47.8   94.8  100.0   78.9
 ----------------------------------- ------ ------ ------ ------ ------ ------
 
@@ -417,17 +435,17 @@
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/Common.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/bflt.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/jar.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/uimage.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/javadoc.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/cpio.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/png.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/gzip.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/jmod.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/uimage.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/ar.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/zip.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/gettext.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/jar.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/cpio.pm
+Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/gzip.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/pyzip.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/ar.pm
-Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/perl5/File/StripNondeterminism/handlers/javadoc.pm
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/man/man1/strip-nondeterminism.1p
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/man/man1/dh_strip_nondeterminism.1p
 Installing /build/strip-nondeterminism-1.13.1/debian/tmp/usr/share/man/man3/File::StripNondeterminism::handlers::zip.3pm
@@ -469,12 +487,14 @@
 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/28216/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/28216/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/9585 and its subdirectories
-I: Current time: Sun Apr  9 05:57:52 -12 2023
-I: pbuilder-time-stamp: 1681063072
+I: removing directory /srv/workspace/pbuilder/28216 and its subdirectories
+I: Current time: Sun May 12 14:21:59 +14 2024
+I: pbuilder-time-stamp: 1715473319