Diff of the two buildlogs:

--
--- b1/build.log	2025-01-12 17:38:03.065766349 +0000
+++ b2/build.log	2025-01-12 17:40:12.419870799 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Jan 12 05:32:46 -12 2025
-I: pbuilder-time-stamp: 1736703166
+I: Current time: Mon Jan 13 07:38:12 +14 2025
+I: pbuilder-time-stamp: 1736703492
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -31,52 +31,84 @@
 dpkg-source: info: applying fprint-arg-ruby.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/26984/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/20258/tmp/hooks/D01_modify_environment starting
+debug: Running on virt32a.
+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 12 17:38 /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/20258/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/20258/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=5 '
-  DISTRIBUTION='trixie'
-  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=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='34ea0efa53084ee884e6394e64944567'
-  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='26984'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=45174e6cf54949cfa970c31144432060
+  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=20258
   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.htYePdBQ/pbuilderrc_7tO4 --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.htYePdBQ/b1 --logfile b1/build.log dia2code_0.8.3-4.3.dsc'
-  SUDO_GID='114'
-  SUDO_UID='109'
-  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.htYePdBQ/pbuilderrc_VyyQ --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.htYePdBQ/b2 --logfile b2/build.log dia2code_0.8.3-4.3.dsc'
+  SUDO_GID=113
+  SUDO_UID=107
+  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 ff64a 6.1.0-29-arm64 #1 SMP Debian 6.1.123-1 (2025-01-02) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-29-armmp-lpae #1 SMP Debian 6.1.123-1 (2025-01-02) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/26984/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/20258/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -154,7 +186,7 @@
 Get: 34 http://deb.debian.org/debian trixie/main armhf libxml2-dev armhf 2.12.7+dfsg+really2.9.14-0.2+b1 [723 kB]
 Get: 35 http://deb.debian.org/debian trixie/main armhf pkgconf-bin armhf 1.8.1-4 [29.2 kB]
 Get: 36 http://deb.debian.org/debian trixie/main armhf pkgconf armhf 1.8.1-4 [26.1 kB]
-Fetched 30.7 MB in 2s (14.4 MB/s)
+Fetched 30.7 MB in 1s (49.2 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.)
@@ -313,7 +345,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/dia2code-0.8.3/ && 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  > ../dia2code_0.8.3-4.3_source.changes
+I: user script /srv/workspace/pbuilder/20258/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/20258/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/dia2code-0.8.3/ && 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  > ../dia2code_0.8.3-4.3_source.changes
 dpkg-buildpackage: info: source package dia2code
 dpkg-buildpackage: info: source version 0.8.3-4.3
 dpkg-buildpackage: info: source distribution unstable
@@ -405,7 +441,7 @@
 config.status: creating config.h
 config.status: executing depfiles commands
    dh_auto_build
-	make -j5
+	make -j4
 make[1]: Entering directory '/build/reproducible-path/dia2code-0.8.3'
 make  all-recursive
 make[2]: Entering directory '/build/reproducible-path/dia2code-0.8.3'
@@ -426,8 +462,6 @@
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o main.o main.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o parse_diagram.o parse_diagram.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o scan_tree.o scan_tree.c
-gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_c.o generate_code_c.c
-gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_java.o generate_code_java.c
 dia2code.c: In function 'open_outfile':
 dia2code.c:280:33: warning: '__builtin___sprintf_chk' may write a terminating nul past the end of the destination [-Wformat-overflow=]
   280 |     sprintf (outfilename, "%s/%s", b->outdir, filename);
@@ -445,10 +479,13 @@
       |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    32 |                                   __va_arg_pack ());
       |                                   ~~~~~~~~~~~~~~~~~
+gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_c.o generate_code_c.c
+gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_java.o generate_code_java.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_cpp.o generate_code_cpp.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_ada.o generate_code_ada.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_sql.o generate_code_sql.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_python.o generate_code_python.c
+gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_php.o generate_code_php.c
 generate_code_ada.c: In function 'gen_class':
 generate_code_ada.c:284:33: warning: '.Object' directive writing 7 bytes into a region of size between 1 and 80 [-Wformat-overflow=]
   284 |         sprintf (parentname, "%s.Object", parent->key->name);
@@ -466,7 +503,6 @@
       |                                   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    32 |                                   __va_arg_pack ());
       |                                   ~~~~~~~~~~~~~~~~~
-gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_php.o generate_code_php.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_shp.o generate_code_shp.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_idl.o generate_code_idl.c
 gcc -DHAVE_CONFIG_H -I. -I.. -I/usr/include/libxml2   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -DDSO  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/dia2code-0.8.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o generate_code_csharp.o generate_code_csharp.c
@@ -486,7 +522,7 @@
 make[2]: Leaving directory '/build/reproducible-path/dia2code-0.8.3'
 make[1]: Leaving directory '/build/reproducible-path/dia2code-0.8.3'
    dh_auto_test
-	make -j5 check "TESTSUITEFLAGS=-j5 --verbose" VERBOSE=1
+	make -j4 check "TESTSUITEFLAGS=-j4 --verbose" VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/dia2code-0.8.3'
 Making check in dia2code
 make[2]: Entering directory '/build/reproducible-path/dia2code-0.8.3/dia2code'
@@ -510,7 +546,7 @@
    create-stamp debian/debhelper-build-stamp
    dh_prep
    dh_auto_install --destdir=debian/dia2code/
-	make -j5 install DESTDIR=/build/reproducible-path/dia2code-0.8.3/debian/dia2code AM_UPDATE_INFO_DIR=no
+	make -j4 install DESTDIR=/build/reproducible-path/dia2code-0.8.3/debian/dia2code AM_UPDATE_INFO_DIR=no
 make[1]: Entering directory '/build/reproducible-path/dia2code-0.8.3'
 Making install in dia2code
 make[2]: Entering directory '/build/reproducible-path/dia2code-0.8.3/dia2code'
@@ -566,8 +602,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'dia2code' in '../dia2code_0.8.3-4.3_armhf.deb'.
 dpkg-deb: building package 'dia2code-dbgsym' in '../dia2code-dbgsym_0.8.3-4.3_armhf.deb'.
+dpkg-deb: building package 'dia2code' in '../dia2code_0.8.3-4.3_armhf.deb'.
  dpkg-genbuildinfo --build=binary -O../dia2code_0.8.3-4.3_armhf.buildinfo
  dpkg-genchanges --build=binary -O../dia2code_0.8.3-4.3_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -575,12 +611,14 @@
 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/20258/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/20258/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/26984 and its subdirectories
-I: Current time: Sun Jan 12 05:37:58 -12 2025
-I: pbuilder-time-stamp: 1736703478
+I: removing directory /srv/workspace/pbuilder/20258 and its subdirectories
+I: Current time: Mon Jan 13 07:40:08 +14 2025
+I: pbuilder-time-stamp: 1736703608