Diff of the two buildlogs:

--
--- b1/build.log	2025-02-22 12:31:35.600326227 +0000
+++ b2/build.log	2025-02-22 12:32:24.858097669 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Mar 27 06:52:11 -12 2026
-I: pbuilder-time-stamp: 1774637531
+I: Current time: Sun Feb 23 02:31:37 +14 2025
+I: pbuilder-time-stamp: 1740227497
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 dpkg-source: info: applying 0004-Fix-spurious-warnings-about-unknown-virtual-dependen.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3598646/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/920482/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos1-amd64.
+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 Feb 22 12:31 /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/920482/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/920482/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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]="x86_64-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=amd64
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=20 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='59fb8cb98a89481781d30977e3de903f'
-  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='3598646'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=0a803bda0ef84477817f5267569a6375
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-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=920482
   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.GjeRvGbM/pbuilderrc_7CUT --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.GjeRvGbM/b1 --logfile b1/build.log insserv_1.26.0-1.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  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.GjeRvGbM/pbuilderrc_2GN2 --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.GjeRvGbM/b2 --logfile b2/build.log insserv_1.26.0-1.dsc'
+  SUDO_GID=110
+  SUDO_UID=105
+  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 ionos15-amd64 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) 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/3598646/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/920482/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -144,7 +176,7 @@
 Get: 29 http://deb.debian.org/debian trixie/main amd64 intltool-debian all 0.35.0+20060710.6 [22.9 kB]
 Get: 30 http://deb.debian.org/debian trixie/main amd64 po-debconf all 1.0.21+nmu1 [248 kB]
 Get: 31 http://deb.debian.org/debian trixie/main amd64 debhelper all 13.24.1 [920 kB]
-Fetched 20.9 MB in 0s (50.9 MB/s)
+Fetched 20.9 MB in 1s (20.5 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 ... 19858 files and directories currently installed.)
@@ -288,7 +320,11 @@
 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/insserv-1.26.0/ && 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  > ../insserv_1.26.0-1_source.changes
+I: user script /srv/workspace/pbuilder/920482/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/920482/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/insserv-1.26.0/ && 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  > ../insserv_1.26.0-1_source.changes
 dpkg-buildpackage: info: source package insserv
 dpkg-buildpackage: info: source version 1.26.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -300,7 +336,7 @@
 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/insserv-1.26.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection
 dh clean --with=bash-completion
    dh_auto_clean
-	make -j42 distclean
+	make -j20 distclean
 make[1]: Entering directory '/build/reproducible-path/insserv-1.26.0'
 rm -f *.o *~ insserv insserv.8 config.h .depend.* .system
 rm -f insserv-1.26.0.tar.xz insserv-1.26.0.tar.xz.sig
@@ -316,7 +352,7 @@
    dh_autoreconf
    dh_auto_configure
    dh_auto_build
-	make -j42 "INSTALL=install --strip-program=true"
+	make -j20 "INSTALL=install --strip-program=true"
 make[1]: Entering directory '/build/reproducible-path/insserv-1.26.0'
 sed -r '\!@@BEGIN_SUSE@@!,\!@@(ELSE|END)_SUSE@@!d;\!@@(NOT|END)_SUSE@@!d' < insserv.8.in > insserv.8
 cc -W -Wall -Wunreachable-code -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/insserv-1.26.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection  -Wdate-time -D_FORTIFY_SOURCE=2   -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64  -DINITDIR=\"/etc/init.d\" -DINSCONF=\"/etc/insserv.conf\" -pipe   -c map.c
@@ -335,7 +371,7 @@
 cc -W -Wall -Wunreachable-code -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/insserv-1.26.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection  -Wdate-time -D_FORTIFY_SOURCE=2   -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64  -DINITDIR=\"/etc/init.d\" -DINSCONF=\"/etc/insserv.conf\" -pipe -Wl,-z,relro -Wl,-z,now  -o insserv insserv.o listing.o map.o 
 make[1]: Leaving directory '/build/reproducible-path/insserv-1.26.0'
    dh_auto_test
-	make -j42 check
+	make -j20 check
 make[1]: Entering directory '/build/reproducible-path/insserv-1.26.0'
 rm -rf tests/root/
 cd tests && ./common
@@ -379,12 +415,12 @@
 
 info: test if loop involving virtual facility is detected.
 
-insserv: There is a loop between service mountall and hibernate-cleanup if started
-insserv:  loop involving service hibernate-cleanup at depth 3
-insserv:  loop involving service mdadm at depth 2
-insserv: There is a loop between service mountall and hibernate-cleanup if started
-insserv:  loop involving service mountall at depth 1
 insserv: There is a loop between service hibernate-cleanup and mdadm if started
+insserv:  loop involving service mdadm at depth 3
+insserv:  loop involving service mountall at depth 2
+insserv: There is a loop between service hibernate-cleanup and mdadm if started
+insserv:  loop involving service hibernate-cleanup at depth 1
+insserv: There is a loop between service mdadm and mountall if started
 insserv: exiting now without changing boot order!
 insserv.conf:
 $local_fs       mountall
@@ -622,12 +658,12 @@
 
 info: testing to insert scripts with a longer loop, making sure it fail
 
+insserv: There is a loop between service loop2 and loop1 if started
+insserv:  loop involving service loop1 at depth 3
+insserv:  loop involving service loop3 at depth 2
+insserv: There is a loop between service loop2 and loop1 if started
+insserv:  loop involving service loop2 at depth 1
 insserv: There is a loop between service loop1 and loop3 if started
-insserv:  loop involving service loop3 at depth 3
-insserv:  loop involving service loop2 at depth 2
-insserv: There is a loop between service loop1 and loop3 if started
-insserv:  loop involving service loop1 at depth 1
-insserv: There is a loop between service loop3 and loop2 if started
 insserv: exiting now without changing boot order!
 
 info: test handling of loops in the combination of start and stop sequences
@@ -1038,9 +1074,10 @@
 S03needremote
 S04needboth
 info: calling insserv after introducing a bug in script needboth
-insserv: There is a loop between service mountall and needboth if started
-insserv:  loop involving service needboth at depth 2
-insserv:  loop involving service mountall at depth 1
+insserv: There is a loop between service needboth and mountall if started
+insserv:  loop involving service mountall at depth 2
+insserv:  loop involving service needboth at depth 1
+insserv: There is a loop at service mountall if started
 insserv: exiting now without changing boot order!
 insserv.conf
 
@@ -1540,9 +1577,9 @@
 info: test two or more initscripts providing same facility, making sure
 info: that the first script can be registered with insserv, but others fail.
 
-insserv: script hjk: service service already provided!
 insserv: script abc: service service already provided!
 insserv: script hjk: service service already provided!
+insserv: script hjk: service service already provided!
 insserv: script abc: service service already provided!
 insserv: exiting now!
 insserv: script abc: service service already provided!
@@ -1589,7 +1626,6 @@
 insserv: Starting bootchart depends on rmnologin and therefore on system facility `$all' which can not be true!
 insserv: Starting bootchart depends on rmnologin and therefore on system facility `$all' which can not be true!
 insserv: Starting bootchart depends on rmnologin and therefore on system facility `$all' which can not be true!
-insserv: Starting bootchart depends on rmnologin and therefore on system facility `$all' which can not be true!
 insserv: exiting now without changing boot order!
 insserv.conf
 
@@ -1646,7 +1682,7 @@
    dh_prep
    dh_installdirs
    dh_auto_install --destdir=debian/insserv/
-	make -j42 install DESTDIR=/build/reproducible-path/insserv-1.26.0/debian/insserv AM_UPDATE_INFO_DIR=no "INSTALL=install --strip-program=true"
+	make -j20 install DESTDIR=/build/reproducible-path/insserv-1.26.0/debian/insserv AM_UPDATE_INFO_DIR=no "INSTALL=install --strip-program=true"
 make[1]: Entering directory '/build/reproducible-path/insserv-1.26.0'
 mkdir -p   /build/reproducible-path/insserv-1.26.0/debian/insserv/usr/sbin
 mkdir -p   /build/reproducible-path/insserv-1.26.0/debian/insserv/usr/share/man/man8
@@ -1687,12 +1723,14 @@
 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/920482/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/920482/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/3598646 and its subdirectories
-I: Current time: Fri Mar 27 06:54:34 -12 2026
-I: pbuilder-time-stamp: 1774637674
+I: removing directory /srv/workspace/pbuilder/920482 and its subdirectories
+I: Current time: Sun Feb 23 02:32:23 +14 2025
+I: pbuilder-time-stamp: 1740227543