Diff of the two buildlogs:

--
--- b1/build.log	2025-03-16 05:58:07.906558094 +0000
+++ b2/build.log	2025-03-16 06:09:20.448240049 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Mar 15 17:52:06 -12 2025
-I: pbuilder-time-stamp: 1742104326
+I: Current time: Sun Apr 19 02:31:09 +14 2026
+I: pbuilder-time-stamp: 1776515469
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -22,52 +22,84 @@
 dpkg-source: info: unpacking natlog_3.01.00-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/300429/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/931665/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos15-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 Apr 18 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/931665/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/931665/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=20 '
-  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=42 '
+  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='9ddd250eb13242e5a959b7e89dfc2982'
-  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='300429'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=3d2df8e78de142be8c6b031b438e8c7a
+  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=931665
   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.JiyCgceT/pbuilderrc_ulds --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.JiyCgceT/b1 --logfile b1/build.log natlog_3.01.00-1.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://46.16.76.132:3128'
+  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.JiyCgceT/pbuilderrc_Nkg4 --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.JiyCgceT/b2 --logfile b2/build.log natlog_3.01.00-1.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos11-amd64 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/300429/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/931665/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -165,7 +197,7 @@
 Get: 52 http://deb.debian.org/debian trixie/main amd64 libpcap0.8-dev amd64 1.10.5-2 [284 kB]
 Get: 53 http://deb.debian.org/debian trixie/main amd64 libpcap-dev amd64 1.10.5-2 [31.8 kB]
 Get: 54 http://deb.debian.org/debian trixie/main amd64 yodl amd64 4.04.00-1 [200 kB]
-Fetched 28.2 MB in 1s (19.5 MB/s)
+Fetched 28.2 MB in 0s (71.3 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sgml-base.
 (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 ... 19803 files and directories currently installed.)
@@ -401,7 +433,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/natlog-3.01.00/ && 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  > ../natlog_3.01.00-1_source.changes
+I: user script /srv/workspace/pbuilder/931665/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/931665/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/natlog-3.01.00/ && 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  > ../natlog_3.01.00-1_source.changes
 dpkg-buildpackage: info: source package natlog
 dpkg-buildpackage: info: source version 3.01.00-1
 dpkg-buildpackage: info: source distribution unstable
@@ -444,190 +480,190 @@
 icmake -d -V go
 mkdir -p tmp/o
 icmake -m -q tmp/jobs 'g++ --std=c++26 -g -O2 -ffile-prefix-map=/build/reproducible-path/natlog-3.01.00=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection --std=c++26  -Wall -D_FORTIFY_SOURCE=2 -c -o $2 $1'
-connectionsconsumer/destructor.cc
-connectionsconsumer/connectionsconsumer1.cc
-connectionsconsumer/signalhandler.cc
-connectionsconsumer/cleanupwrap.cc
-connectionsconsumer/run.cc
-natfork/natfork1.cc
-natfork/setupstdmsg.cc
-natfork/setupnondaemonmsg.cc
+tcpdumprecord/tcpdumprecord1.cc
+conntrackproducer/childredirections.cc
+conntrackproducer/notused.cc
+natfork/data.cc
+conntrackproducer/data.cc
+conntrackproducer/signalhandler.cc
+natfork/run.cc
 natfork/setupdaemonmsg.cc
 natfork/parentprocess.cc
-connectionsconsumer/header.cc
-natfork/childprocess.cc
+natfork/conntrackmode.cc
 natfork/signalhandler.cc
-natfork/cleanuppidfile.cc
-natfork/data.cc
-natfork/run.cc
-natfork/checksyslogparam.cc
 natfork/specifications.cc
-natfork/conntrackmode.cc
-natfork/destructor.cc
-connectionsconsumer/cleanupicmpudp.cc
-tcpdumprecord/tcpdumprecord1.cc
-tcpdumpproducer/process.cc
-tcpdumpproducer/run.cc
+natfork/natfork1.cc
 tcpdumpproducer/get.cc
 tcpdumpproducer/tcpdumpproducer1.cc
-tcpdumpproducer/before.cc
-tcpdumpproducer/destructor.cc
+connectionsconsumer/header.cc
+natfork/childprocess.cc
+natfork/setupnondaemonmsg.cc
+natfork/setupstdmsg.cc
+natfork/destructor.cc
+conntrackproducer/parentprocess.cc
+conntrackproducer/process.cc
+conntrackproducer/parentredirections.cc
 conntrackproducer/tcpudp.cc
-conntrackproducer/signalhandler.cc
+conntrackproducer/run.cc
+conntrackproducer/icmp.cc
+connectionsconsumer/destructor.cc
+tcpdumpproducer/run.cc
+tcpdumpproducer/before.cc
 tcpdumpproducer/store.cc
-conntrackproducer/process.cc
+connectionsconsumer/signalhandler.cc
+natfork/cleanuppidfile.cc
+connectionsconsumer/cleanupicmpudp.cc
+natfork/checksyslogparam.cc
+connectionsconsumer/run.cc
 conntrackproducer/destructor.cc
-conntrackproducer/notused.cc
+connectionsconsumer/cleanupwrap.cc
+connectionsconsumer/connectionsconsumer1.cc
+tcpdumpproducer/destructor.cc
 conntrackproducer/settcpudp.cc
-conntrackproducer/icmp.cc
-conntrackproducer/run.cc
-conntrackproducer/data.cc
-conntrackproducer/parentprocess.cc
-conntrackproducer/parentredirections.cc
-conntrackrecord/conntrackrecord1.cc
-conntrackrecord/inittcpudp.cc
+tcpdumpproducer/process.cc
 conntrackproducer/conntrackproducer1.cc
-conntrackrecord/initicmp.cc
-conntrackproducer/childredirections.cc
-conntrackproducer/childprocess.cc
-devicesproducer/signalhandler.cc
 pcap/stop.cc
-devicesproducer/devicesproducer1.cc
-devicesproducer/destructor.cc
-pcapfilter/pcapfilter1.cc
-conntrackproducer/activatebytecounts.cc
-pcapfilter/stop.cc
+conntrackrecord/conntrackrecord1.cc
+conntrackproducer/childprocess.cc
 pcap/filterprotocols.cc
-devicesproducer/run.cc
 pcap/loop.cc
-pcapfilter/operatorfun.cc
-pcap/pcap1.cc
-pcapfilter/callback.cc
-pcap/computeshift.cc
 pcaprecord/pcaprecord1.cc
 producersignals/producersignals1.cc
-icmp/vvia.cc
-producer/destructor.cc
+devicesproducer/signalhandler.cc
 producer/process.cc
 icmp/vdst.cc
-icmp/sent.cc
+icmp/vvia.cc
 icmp/vbytecounts.cc
+producer/destructor.cc
 icmp/destructor.cc
-icmp/outdev.cc
-icmp/logconnection.cc
 icmp/received.cc
+pcapfilter/callback.cc
+pcapfilter/pcapfilter1.cc
+pcapfilter/operatorfun.cc
+devicesproducer/devicesproducer1.cc
+conntrackrecord/initicmp.cc
 icmp/icmp1.cc
+devicesproducer/run.cc
+pcap/pcap1.cc
+conntrackproducer/activatebytecounts.cc
+conntrackrecord/inittcpudp.cc
+icmp/outdev.cc
+pcap/computeshift.cc
+devicesproducer/destructor.cc
+icmp/sent.cc
+ipbase/nobytecounts.cc
+pcapfilter/stop.cc
+tcp/syn.cc
+udp/received.cc
+icmp/logconnection.cc
+tcp/outdev.cc
 tcp/tcp1.cc
 udp/udp1.cc
-udp/cleanuphook.cc
-udp/destructor.cc
-udp/outdev.cc
-udp/received.cc
 udp/sent.cc
-ipbase/nobytecounts.cc
+tcp/received.cc
+udp/destructor.cc
 tcp/sent.cc
-tcp/syn.cc
+udp/cleanuphook.cc
+udp/outdev.cc
+tcp/intype.cc
 tcp/indev.cc
 tcp/destructor.cc
+tcp/fin.cc
 tcp/ignore.cc
-tcp/received.cc
-ipbase/vvia.cc
-tcp/intype.cc
-tcp/outdev.cc
+ipbase/log.cc
 tcp/data.cc
-tcp/fin.cc
 ipbase/via.cc
+ipbase/process.cc
+ipbase/vdst.cc
+ipbase/maybesizelog.cc
+ipbase/showleft.cc
 ipbase/viadata.cc
+ipbase/vvia.cc
 tcp/cleanuphook.cc
+ipbase/dst.cc
 ipbase/setvia.cc
-ipbase/vdst.cc
 ipbase/vbytecounts.cc
-ipbase/showleft.cc
-ipbase/logdata.cc
-ipbase/process.cc
-ipbase/maybesizelog.cc
-ipbase/logconnection.cc
 ipbase/destructor.cc
-ipbase/dstdata.cc
-ipbase/log.cc
 ipbase/ipbase1.cc
+ipbase/keymapcleanup.cc
+ipbase/logdata.cc
 ipbase/indev.cc
-ipbase/dst.cc
+ipbase/dstdata.cc
 ipbase/ignore.cc
+ipbase/logconnection.cc
 ipbase/erase.cc
-ipbase/keymapcleanup.cc
-ipbase/destroy.cc
 ipbase/cleanuphook.cc
+ipbase/destroy.cc
 ipbase/data.cc
-record/setvia.cc
-record/showflags.cc
-record/settime.cc
-record/time.cc
-ipbase/cleanup.cc
 ipbase/bytecountsdata.cc
 ipbase/bytecounts.cc
 record/setports.cc
-record/data.cc
-record/destructor.cc
-record/aton.cc
-record/addreceivedbytes.cc
-record/setalltimes.cc
-record/setendtime.cc
 record/record2.cc
+record/settime.cc
+record/time.cc
+record/showflags.cc
+record/setvia.cc
+record/setendtime.cc
+record/setalltimes.cc
+ipbase/cleanup.cc
 record/record1.cc
-record/addsentbytes.cc
 record/insertinto.cc
+record/data.cc
+record/destructor.cc
 record/protocolstr.cc
 record/ntoa.cc
-showseconds/showseconds2.cc
+record/addsentbytes.cc
+record/aton.cc
+record/addreceivedbytes.cc
+storage/fetch.cc
+showseconds/showseconds1.cc
 showseconds/utcformat.cc
-showseconds/data.cc
+storage/push.cc
 showseconds/operatorinsert.cc
 showseconds/setformat.cc
-showseconds/showseconds1.cc
-storage/fetch.cc
-showseconds/time.cc
-storage/push.cc
 options/settimetype.cc
-options/setsyslogpriority.cc
+nic/mask.cc
+nic/data.cc
 options/rotatedata.cc
-options/setmode.cc
-options/setsyslogfacility.cc
-options/setprotocol.cc
-options/openconfig.cc
 options/setboolmembers.cc
-options/rotate.cc
-options/settimespec.cc
-options/options1.cc
-options/setconntrack.cc
 options/protocolnames.cc
-options/setlogparams.cc
+options/setsyslogpriority.cc
+showseconds/data.cc
+options/setsyslogfacility.cc
+options/rotate.cc
 options/forwardoption.cc
-options/readpid.cc
+options/options1.cc
+showseconds/showseconds2.cc
+nic/set1.cc
 nic/set2.cc
 options/hasprotocol.cc
-nic/set1.cc
-nic/data.cc
-nic/mask.cc
 options/instance.cc
-options/kill.cc
+options/setmode.cc
+options/setprotocol.cc
+showseconds/time.cc
+options/openconfig.cc
+options/readpid.cc
+options/setconntrack.cc
+options/setlogparams.cc
 rotatingstream/rotatingstream1.cc
-rotatingstreambuf/rotatethread.cc
-rotatingstreambuf/startthread.cc
+options/settimespec.cc
+options/kill.cc
 rotatingstreambuf/unlockedoverflow.cc
-./usage.cc
-rotatingstreambuf/rotate3.cc
 rotatingstreambuf/sync.cc
 options/data.cc
-rotatingstreambuf/overflow.cc
-rotatingstreambuf/open.cc
-rotatingstreambuf/notify.cc
 rotatingstreambuf/rotate1.cc
+rotatingstreambuf/rotatethread.cc
+rotatingstreambuf/overflow.cc
+rotatingstreambuf/startthread.cc
+rotatingstreambuf/rotate3.cc
 rotatingstreambuf/lockedoverflow.cc
 rotatingstreambuf/destructor.cc
+rotatingstreambuf/notify.cc
 rotatingstreambuf/data.cc
-rotatingstreambuf/rotate2.cc
 ./systemdfix.cc
+./usage.cc
+rotatingstreambuf/rotate2.cc
+rotatingstreambuf/open.cc
 ar cr ../libmodules.a *.o
 ranlib ../libmodules.a
 rm *.o
@@ -786,10 +822,10 @@
 	cd debian/.debhelper/natlog/dbgsym-root >/dev/null && xargs -r0 md5sum | perl -pe 'if (s@^\\@@) { s/\\\\/\\/g; }' > DEBIAN/md5sums
 	chmod 0644 -- debian/.debhelper/natlog/dbgsym-root/DEBIAN/md5sums
    dh_builddeb
-	dpkg-deb --root-owner-group --build debian/.debhelper/natlog/dbgsym-root ..
 	dpkg-deb --root-owner-group --build debian/natlog ..
-dpkg-deb: building package 'natlog-dbgsym' in '../natlog-dbgsym_3.01.00-1_amd64.deb'.
+	dpkg-deb --root-owner-group --build debian/.debhelper/natlog/dbgsym-root ..
 dpkg-deb: building package 'natlog' in '../natlog_3.01.00-1_amd64.deb'.
+dpkg-deb: building package 'natlog-dbgsym' in '../natlog-dbgsym_3.01.00-1_amd64.deb'.
  dpkg-genbuildinfo --build=binary -O../natlog_3.01.00-1_amd64.buildinfo
  dpkg-genchanges --build=binary -O../natlog_3.01.00-1_amd64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -797,12 +833,14 @@
 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/931665/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/931665/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/300429 and its subdirectories
-I: Current time: Sat Mar 15 17:58:07 -12 2025
-I: pbuilder-time-stamp: 1742104687
+I: removing directory /srv/workspace/pbuilder/931665 and its subdirectories
+I: Current time: Sun Apr 19 02:32:19 +14 2026
+I: pbuilder-time-stamp: 1776515539