Diff of the two buildlogs:

--
--- b1/build.log	2025-01-04 10:59:42.166462181 +0000
+++ b2/build.log	2025-01-04 11:01:04.578695988 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Jan  3 22:57:56 -12 2025
-I: pbuilder-time-stamp: 1735988276
+I: Current time: Sun Jan  5 00:59:51 +14 2025
+I: pbuilder-time-stamp: 1735988391
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -39,52 +39,84 @@
  logtool-1.2.8/src/mods.h
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/18057/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/13158/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  4 11:00 /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/13158/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/13158/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='ecd06899dae5487480bd1023b610fb4e'
-  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='18057'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=2b598ea92d694fb1abd77265910630b7
+  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=13158
   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.5NS0QSJG/pbuilderrc_unmP --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.5NS0QSJG/b1 --logfile b1/build.log logtool_1.2.8-14.dsc'
-  SUDO_GID='112'
-  SUDO_UID='106'
-  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.5NS0QSJG/pbuilderrc_MFr8 --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.5NS0QSJG/b2 --logfile b2/build.log logtool_1.2.8-14.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 virt32b 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) 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/18057/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/13158/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -150,7 +182,7 @@
 Get: 28 http://deb.debian.org/debian unstable/main armhf intltool-debian all 0.35.0+20060710.6 [22.9 kB]
 Get: 29 http://deb.debian.org/debian unstable/main armhf po-debconf all 1.0.21+nmu1 [248 kB]
 Get: 30 http://deb.debian.org/debian unstable/main armhf debhelper all 13.23 [919 kB]
-Fetched 19.6 MB in 1s (16.7 MB/s)
+Fetched 19.6 MB in 2s (11.2 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 ... 19567 files and directories currently installed.)
@@ -290,7 +322,11 @@
 fakeroot is already the newest version (1.36.2-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/logtool-1.2.8/ && 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  > ../logtool_1.2.8-14_source.changes
+I: user script /srv/workspace/pbuilder/13158/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/13158/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/logtool-1.2.8/ && 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  > ../logtool_1.2.8-14_source.changes
 dpkg-buildpackage: info: source package logtool
 dpkg-buildpackage: info: source version 1.2.8-14
 dpkg-buildpackage: info: source distribution unstable
@@ -300,7 +336,7 @@
  fakeroot debian/rules clean
 dh clean
    dh_auto_clean
-	make -j3 distclean
+	make -j4 distclean
 make[1]: Entering directory '/build/reproducible-path/logtool-1.2.8'
 rm -f a.out core *~ *.o *.a 
 cd conf ; rm -f a.out core *~ *.o *.a 
@@ -410,13 +446,14 @@
 With the following LIBS:                
 make[1]: Leaving directory '/build/reproducible-path/logtool-1.2.8'
    dh_auto_build
-	make -j3
+	make -j4
 make[1]: Entering directory '/build/reproducible-path/logtool-1.2.8'
 cd src ; make
 make[2]: Entering directory '/build/reproducible-path/logtool-1.2.8/src'
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H readconf.c -o readconf.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H getopt.c -o getopt.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H regex.c -o regex.o
+gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H parser.c -o parser.o
 regex.c: In function 'lt_load_regex':
 regex.c:123:33: warning: 'strncat' specified bound depends on the length of the source argument [-Wstringop-overflow=]
   123 |                                 strncat(*dest, tmp, strlen(tmp) + 1);
@@ -430,7 +467,6 @@
 regex.c:119:53: note: length computed here
   119 |                                 strncat(*dest, tmp, strlen(tmp) + 1);
       |                                                     ^~~~~~~~~~~
-gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H parser.c -o parser.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H ansi.c -o ansi.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H ascii.c -o ascii.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H tai64nfrac.c -o tai64nfrac.o
@@ -443,6 +479,9 @@
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H env.c -o env.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H gethost.c -o gethost.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_snort.c -o mod_snort.o
+gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_syslog.c -o mod_syslog.o
+gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_unknown.c -o mod_unknown.o
+gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_iptables.c -o mod_iptables.o
 mod_snort.c: In function 'ltm_snort_pproc.part.0':
 mod_snort.c:87:63: warning: 'sprintf' may write a terminating nul past the end of the destination [-Wformat-overflow=]
    87 |                                         sprintf(tmp_str, "%s%c", tmp_str, pproc[i]);
@@ -450,16 +489,6 @@
 mod_snort.c:87:41: note: 'sprintf' output between 2 and 8097 bytes into a destination of size 8096
    87 |                                         sprintf(tmp_str, "%s%c", tmp_str, pproc[i]);
       |                                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-mod_snort.c: In function 'ltm_snort':
-mod_snort.c:330:29: warning: '%s' directive writing up to 8095 bytes into a region of size between 7841 and 8096 [-Wformat-overflow=]
-  330 |         sprintf(msg_tmp, "%s%s%s", event.pcolor, event.message, "\033e");
-      |                             ^~                   ~~~~~~~~~~~~~
-mod_snort.c:330:9: note: 'sprintf' output between 3 and 8353 bytes into a destination of size 8096
-  330 |         sprintf(msg_tmp, "%s%s%s", event.pcolor, event.message, "\033e");
-      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_syslog.c -o mod_syslog.o
-gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_unknown.c -o mod_unknown.o
-gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_iptables.c -o mod_iptables.o
 mod_syslog.c: In function 'ltm_syslog':
 mod_syslog.c:42:30: warning: '%s' directive writing up to 8095 bytes into a region of size between 7840 and 8095 [-Wformat-overflow=]
    42 |         sprintf(msg_tmp, " %s%s%s", event.pcolor, event.message, "\033e");
@@ -469,6 +498,13 @@
       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_common.c -o mod_common.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H mod_sound.c -o mod_sound.o
+mod_snort.c: In function 'ltm_snort':
+mod_snort.c:330:29: warning: '%s' directive writing up to 8095 bytes into a region of size between 7841 and 8096 [-Wformat-overflow=]
+  330 |         sprintf(msg_tmp, "%s%s%s", event.pcolor, event.message, "\033e");
+      |                             ^~                   ~~~~~~~~~~~~~
+mod_snort.c:330:9: note: 'sprintf' output between 3 and 8353 bytes into a destination of size 8096
+  330 |         sprintf(msg_tmp, "%s%s%s", event.pcolor, event.message, "\033e");
+      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H output.c -o output.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H loop.c -o loop.o
 gcc -c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/logtool-1.2.8=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -DHAVE_CONFIG_H parse_pmsg.c -o parse_pmsg.o
@@ -482,7 +518,7 @@
    dh_prep
    dh_installdirs
    dh_auto_install --destdir=debian/logtool/
-	make -j3 install DESTDIR=/build/reproducible-path/logtool-1.2.8/debian/logtool AM_UPDATE_INFO_DIR=no
+	make -j4 install DESTDIR=/build/reproducible-path/logtool-1.2.8/debian/logtool AM_UPDATE_INFO_DIR=no
 make[1]: Entering directory '/build/reproducible-path/logtool-1.2.8'
 cd src ; make install
 make[2]: Entering directory '/build/reproducible-path/logtool-1.2.8/src'
@@ -536,12 +572,14 @@
 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/13158/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/13158/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/18057 and its subdirectories
-I: Current time: Fri Jan  3 22:59:38 -12 2025
-I: pbuilder-time-stamp: 1735988378
+I: removing directory /srv/workspace/pbuilder/13158 and its subdirectories
+I: Current time: Sun Jan  5 01:01:00 +14 2025
+I: pbuilder-time-stamp: 1735988460