Diff of the two buildlogs:

--
--- b1/build.log	2025-03-02 17:36:01.049646650 +0000
+++ b2/build.log	2025-03-02 17:39:44.367528600 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Apr  4 11:58:21 -12 2026
-I: pbuilder-time-stamp: 1775347101
+I: Current time: Mon Mar  3 07:36:05 +14 2025
+I: pbuilder-time-stamp: 1740936965
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -23,54 +23,86 @@
 dpkg-source: info: unpacking mod-wsgi_5.0.2-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/105405/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/60419/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 Mar  2 17:36 /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/60419/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/60419/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='trixie'
-  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=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='96a6324f25614af381e6a0e0497fd82f'
-  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='105405'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=5d68c610ba414db9a38d90facdc8f072
+  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=60419
   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.Fbe8qtXc/pbuilderrc_TNp0 --distribution trixie --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.Fbe8qtXc/b1 --logfile b1/build.log mod-wsgi_5.0.2-1.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.Fbe8qtXc/pbuilderrc_s4XG --distribution trixie --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/trixie-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.Fbe8qtXc/b2 --logfile b2/build.log mod-wsgi_5.0.2-1.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 ionos6-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) 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/105405/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/60419/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -185,7 +217,7 @@
 Get: 73 http://deb.debian.org/debian trixie/main i386 python3.13-dev i386 3.13.2-1 [505 kB]
 Get: 74 http://deb.debian.org/debian trixie/main i386 python3-dev i386 3.13.2-1 [26.1 kB]
 Get: 75 http://deb.debian.org/debian trixie/main i386 python3-all-dev i386 3.13.2-1 [1068 B]
-Fetched 42.3 MB in 0s (130 MB/s)
+Fetched 42.3 MB in 1s (29.3 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:i386.
 (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 ... 19789 files and directories currently installed.)
@@ -440,8 +472,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sat Apr  4 23:58:40 UTC 2026.
-Universal Time is now:  Sat Apr  4 23:58:40 UTC 2026.
+Local time is now:      Sun Mar  2 17:37:28 UTC 2025.
+Universal Time is now:  Sun Mar  2 17:37:28 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -512,7 +544,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/mod-wsgi-5.0.2/ && 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  > ../mod-wsgi_5.0.2-1_source.changes
+I: user script /srv/workspace/pbuilder/60419/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/60419/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/mod-wsgi-5.0.2/ && 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  > ../mod-wsgi_5.0.2-1_source.changes
 dpkg-buildpackage: info: source package mod-wsgi
 dpkg-buildpackage: info: source version 5.0.2-1
 dpkg-buildpackage: info: source distribution unstable
@@ -576,7 +612,7 @@
 	dh_auto_build -Bbuild-$pyver ;\
 	touch @ ;\
 done
-	cd build-3.13 && make -j22
+	cd build-3.13 && make -j10
 make[2]: Entering directory '/build/reproducible-path/mod-wsgi-5.0.2/build-3.13'
 /usr/bin/apxs2 -c -Wdate-time -D_FORTIFY_SOURCE=2 -I/usr/include/python3.13 -DNDEBUG  -Wc,-g -Wc,-O2 -Wc,-Werror=implicit-function-declaration -Wc,-ffile-prefix-map=/build/reproducible-path/mod-wsgi-5.0.2=. -Wc,-fstack-protector-strong -Wc,-Wformat -Wc,-Werror=format-security  src/server/mod_wsgi.c src/server/wsgi_*.c -Wl,-z,relro -L/usr/lib/i386-linux-gnu -L/usr/lib/python3.13/config  -lpython3.13 -ldl -lm
 /usr/share/apr-1.0/build/libtool  --mode=compile --tag=disable-static i686-linux-gnu-gcc -prefer-pic -pipe -g -O2 -Werror=implicit-function-declaration -fstack-protector-strong -Wformat -Werror=format-security  -Wdate-time -D_FORTIFY_SOURCE=2   -DLINUX -D_REENTRANT -D_GNU_SOURCE -D_LARGEFILE64_SOURCE   -I/usr/include/apache2  -I/usr/include/apr-1.0   -I/usr/include/apr-1.0 -I/usr/include -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/mod-wsgi-5.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -I/usr/include/python3.13 -D_FORTIFY_SOURCE=2 -DNDEBUG  -c -o src/server/mod_wsgi.lo src/server/mod_wsgi.c && touch src/server/mod_wsgi.slo
@@ -707,7 +743,7 @@
 	dh_auto_install -Bbuild-$pyver -- DESTDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3 ;\
 	mv /build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules/mod_wsgi.so /build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules/mod_wsgi.so-$pyver ;\
 done
-	cd build-3.13 && make -j22 install DESTDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3 AM_UPDATE_INFO_DIR=no DESTDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3
+	cd build-3.13 && make -j10 install DESTDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3 AM_UPDATE_INFO_DIR=no DESTDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3
 make[2]: Entering directory '/build/reproducible-path/mod-wsgi-5.0.2/build-3.13'
 mkdir -p /build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules
 /usr/bin/apxs2 -i -S LIBEXECDIR=/build/reproducible-path/mod-wsgi-5.0.2/debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules -n 'mod_wsgi' src/server/mod_wsgi.la
@@ -742,7 +778,7 @@
    dh_strip -a
    dh_makeshlibs -a
    dh_shlibdeps -a
-dpkg-shlibdeps: warning: debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules/mod_wsgi.so-3.13 contains an unresolvable reference to symbol apr_file_close: it's probably a plugin
+dpkg-shlibdeps: warning: debian/libapache2-mod-wsgi-py3/usr/lib/apache2/modules/mod_wsgi.so-3.13 contains an unresolvable reference to symbol ap_get_status_line: it's probably a plugin
 dpkg-shlibdeps: warning: 208 other similar warnings have been skipped (use -v to see them all)
    dh_installdeb
    debian/rules override_dh_gencontrol
@@ -754,8 +790,8 @@
 make[1]: Leaving directory '/build/reproducible-path/mod-wsgi-5.0.2'
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'libapache2-mod-wsgi-py3' in '../libapache2-mod-wsgi-py3_5.0.2-1_i386.deb'.
 dpkg-deb: building package 'libapache2-mod-wsgi-py3-dbgsym' in '../libapache2-mod-wsgi-py3-dbgsym_5.0.2-1_i386.deb'.
+dpkg-deb: building package 'libapache2-mod-wsgi-py3' in '../libapache2-mod-wsgi-py3_5.0.2-1_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../mod-wsgi_5.0.2-1_i386.buildinfo
  dpkg-genchanges --build=binary -O../mod-wsgi_5.0.2-1_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -763,12 +799,14 @@
 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/60419/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/60419/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/105405 and its subdirectories
-I: Current time: Sat Apr  4 11:58:59 -12 2026
-I: pbuilder-time-stamp: 1775347139
+I: removing directory /srv/workspace/pbuilder/60419 and its subdirectories
+I: Current time: Mon Mar  3 07:39:43 +14 2025
+I: pbuilder-time-stamp: 1740937183