Diff of the two buildlogs:

--
--- b1/build.log	2025-01-29 12:08:18.179672080 +0000
+++ b2/build.log	2025-01-29 12:11:28.863164661 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Jan 29 00:02:12 -12 2025
-I: pbuilder-time-stamp: 1738152132
+I: Current time: Thu Jan 30 02:08:34 +14 2025
+I: pbuilder-time-stamp: 1738152514
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 dpkg-source: info: applying privacy-breach-lopo.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/29192/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/15580/tmp/hooks/D01_modify_environment starting
+debug: Running on virt64z.
+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 29 12:08 /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/15580/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/15580/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='47528f7daf804290924cd35993981ed0'
-  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='29192'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=2779f97902194b9cbbe3a83ce8f81e65
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=15580
   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.rHlEolJW/pbuilderrc_67HU --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.rHlEolJW/b1 --logfile b1/build.log libjibx1.2-java_1.2.6-3.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.rHlEolJW/pbuilderrc_euHo --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.rHlEolJW/b2 --logfile b2/build.log libjibx1.2-java_1.2.6-3.dsc'
+  SUDO_GID=110
+  SUDO_UID=103
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt32a 6.1.0-30-armmp-lpae #1 SMP Debian 6.1.124-1 (2025-01-12) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-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 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/29192/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/15580/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -260,7 +292,7 @@
 Get: 133 http://deb.debian.org/debian unstable/main armhf liblog4j1.2-java all 1.2.17-11 [444 kB]
 Get: 134 http://deb.debian.org/debian unstable/main armhf libxpp3-java all 1.1.4c-3 [292 kB]
 Get: 135 http://deb.debian.org/debian unstable/main armhf maven-repo-helper all 1.11 [142 kB]
-Fetched 157 MB in 3s (61.2 MB/s)
+Fetched 157 MB in 17s (9294 kB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpipeline1:armhf.
 (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 ... 19568 files and directories currently installed.)
@@ -712,8 +744,8 @@
 Setting up tzdata (2025a-1) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Wed Jan 29 12:03:29 UTC 2025.
-Universal Time is now:  Wed Jan 29 12:03:29 UTC 2025.
+Local time is now:      Wed Jan 29 12:09:47 UTC 2025.
+Universal Time is now:  Wed Jan 29 12:09:47 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -1028,7 +1060,11 @@
 fakeroot is already the newest version (1.37-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/libjibx1.2-java-1.2.6/ && 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  > ../libjibx1.2-java_1.2.6-3_source.changes
+I: user script /srv/workspace/pbuilder/15580/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/15580/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libjibx1.2-java-1.2.6/ && 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  > ../libjibx1.2-java_1.2.6-3_source.changes
 dpkg-buildpackage: info: source package libjibx1.2-java
 dpkg-buildpackage: info: source version 1.2.6-3
 dpkg-buildpackage: info: source distribution unstable
@@ -1038,7 +1074,7 @@
  debian/rules clean
 dh clean --with javahelper,maven-repo-helper
    jh_clean
-Duplicate specification "unlink|u" for option "u"
+Duplicate specification "u=s" for option "u"
    debian/rules override_dh_clean
 make[1]: Entering directory '/build/reproducible-path/libjibx1.2-java-1.2.6'
 dh_clean
@@ -1568,18 +1604,6 @@
   [javadoc] Loading source files for package org.jibx.ws.wsdl.tools.custom...
   [javadoc] Loading source files for package org.jibx.extras...
   [javadoc] Constructing Javadoc information...
-  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/Compile.java:37: error: package org.apache.bcel.classfile does not exist
-  [javadoc] import org.apache.bcel.classfile.Method;
-  [javadoc]                                 ^
-  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/Compile.java:38: error: package org.apache.bcel.verifier does not exist
-  [javadoc] import org.apache.bcel.verifier.VerificationResult;
-  [javadoc]                                ^
-  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/Compile.java:39: error: package org.apache.bcel.verifier does not exist
-  [javadoc] import org.apache.bcel.verifier.Verifier;
-  [javadoc]                                ^
-  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/Compile.java:40: error: package org.apache.bcel.verifier does not exist
-  [javadoc] import org.apache.bcel.verifier.VerifierFactory;
-  [javadoc]                                ^
   [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/classes/ClassFile.java:45: error: package org.apache.bcel does not exist
   [javadoc] import org.apache.bcel.Constants;
   [javadoc]                       ^
@@ -1971,6 +1995,18 @@
   [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/def/BindingDefinition.java:39: error: package org.apache.bcel does not exist
   [javadoc] import org.apache.bcel.Constants;
   [javadoc]                       ^
+  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/def/BindingDefinition.java:40: error: package org.apache.bcel.generic does not exist
+  [javadoc] import org.apache.bcel.generic.Type;
+  [javadoc]                               ^
+  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/def/BindingBuilder.java:37: error: package org.apache.bcel does not exist
+  [javadoc] import org.apache.bcel.Constants;
+  [javadoc]                       ^
+  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/def/StringConversion.java:31: error: package org.apache.bcel.classfile does not exist
+  [javadoc] import org.apache.bcel.classfile.Utility;
+  [javadoc]                                 ^
+  [javadoc] /build/reproducible-path/libjibx1.2-java-1.2.6/build/src/org/jibx/binding/classes/BoundClass.java:33: error: package org.apache.bcel does not exist
+  [javadoc] import org.apache.bcel.Constants;
+  [javadoc]                       ^
   [javadoc] Standard Doclet version 21.0.6+7-Debian-1
   [javadoc] Building tree for all the packages and classes...
   [javadoc] Generating /build/reproducible-path/libjibx1.2-java-1.2.6/build/api/org/jibx/schema/elements/AllElement.html...
@@ -2529,7 +2565,7 @@
   [javadoc] 100 warnings
 
 BUILD SUCCESSFUL
-Total time: 1 minute 53 seconds
+Total time: 41 seconds
 make[1]: Leaving directory '/build/reproducible-path/libjibx1.2-java-1.2.6'
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -2546,7 +2582,7 @@
    dh_link
    jh_installlibs
    jh_classpath
-Duplicate specification "V:s" for option "V"
+Duplicate specification "version|V" for option "V"
 Duplicate specification "version|V" for option "V"
 Duplicate specification "V:s" for option "V"
 Duplicate specification "V:s" for option "V"
@@ -2567,9 +2603,9 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
+dpkg-deb: building package 'libjibx1.2-java' in '../libjibx1.2-java_1.2.6-3_all.deb'.
 dpkg-deb: building package 'libjibx-java' in '../libjibx-java_1.2.6-3_all.deb'.
 dpkg-deb: building package 'libjibx1.2-java-doc' in '../libjibx1.2-java-doc_1.2.6-3_all.deb'.
-dpkg-deb: building package 'libjibx1.2-java' in '../libjibx1.2-java_1.2.6-3_all.deb'.
  dpkg-genbuildinfo --build=binary -O../libjibx1.2-java_1.2.6-3_armhf.buildinfo
  dpkg-genchanges --build=binary -O../libjibx1.2-java_1.2.6-3_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -2577,12 +2613,14 @@
 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/15580/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/15580/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/29192 and its subdirectories
-I: Current time: Wed Jan 29 00:08:14 -12 2025
-I: pbuilder-time-stamp: 1738152494
+I: removing directory /srv/workspace/pbuilder/15580 and its subdirectories
+I: Current time: Thu Jan 30 02:11:24 +14 2025
+I: pbuilder-time-stamp: 1738152684