Diff of the two buildlogs:

--
--- b1/build.log	2025-03-06 14:25:42.722575116 +0000
+++ b2/build.log	2025-03-06 14:26:33.660278310 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Mar  6 02:24:30 -12 2025
-I: pbuilder-time-stamp: 1741271070
+I: Current time: Thu Apr  9 10:48:50 +14 2026
+I: pbuilder-time-stamp: 1775681330
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,54 +25,86 @@
 dpkg-source: info: applying pkg-config-libmd-libbsd.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/14963/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/28387/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-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 Apr  8 20:49 /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/28387/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/28387/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=11 '
-  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=21 '
+  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='4eefe34de3f24c4b8e229a82f1384f88'
-  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='14963'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=b29b5513da8d44d9bb76a02290a9e721
+  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=28387
   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.46p4JT6a/pbuilderrc_BTYk --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.46p4JT6a/b1 --logfile b1/build.log lowdown_2.0.2-2.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://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.46p4JT6a/pbuilderrc_zuci --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.46p4JT6a/b2 --logfile b2/build.log lowdown_2.0.2-2.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://213.165.73.152:3128
 I: uname -a
-  Linux ionos2-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 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/14963/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/28387/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -152,7 +184,7 @@
 Get: 34 http://deb.debian.org/debian trixie/main i386 libpkgconf3 i386 1.8.1-4 [38.4 kB]
 Get: 35 http://deb.debian.org/debian trixie/main i386 pkgconf-bin i386 1.8.1-4 [30.6 kB]
 Get: 36 http://deb.debian.org/debian trixie/main i386 pkgconf i386 1.8.1-4 [26.2 kB]
-Fetched 21.6 MB in 0s (65.9 MB/s)
+Fetched 21.6 MB in 0s (88.3 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 ... 19787 files and directories currently installed.)
@@ -311,7 +343,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/lowdown-2.0.2/ && 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  > ../lowdown_2.0.2-2_source.changes
+I: user script /srv/workspace/pbuilder/28387/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/28387/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/lowdown-2.0.2/ && 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  > ../lowdown_2.0.2-2_source.changes
 dpkg-buildpackage: info: source package lowdown
 dpkg-buildpackage: info: source version 2.0.2-2
 dpkg-buildpackage: info: source distribution unstable
@@ -324,7 +360,7 @@
 make[1]: Entering directory '/build/reproducible-path/lowdown-2.0.2'
 echo > Makefile.configure
 dh_auto_clean
-	/usr/bin/bmake -j11 distclean
+	/usr/bin/bmake -j21 distclean
 --- clean ---
 rm -f autolink.o  buffer.o  diff.o  document.o  entity.o  gemini.o  gemini_escape.o  html.o  html_escape.o  latex.o  latex_escape.o  library.o  libdiff.o  nroff.o  nroff_escape.o  odt.o  smartypants.o  template.o  term.o  tree.o  util.o compats.o main.o
 rm -f lowdown lowdown-diff liblowdown.a liblowdown.so liblowdown.so.2 lowdown.pc
@@ -409,7 +445,7 @@
 Makefile.configure: written
 make[1]: Leaving directory '/build/reproducible-path/lowdown-2.0.2'
    dh_auto_build -O--buildsystem=makefile
-	/usr/bin/bmake -j11 "INSTALL=install --strip-program=true"
+	/usr/bin/bmake -j21 "INSTALL=install --strip-program=true"
 --- autolink.o ---
 --- buffer.o ---
 --- diff.o ---
@@ -421,6 +457,16 @@
 --- html_escape.o ---
 --- latex.o ---
 --- latex_escape.o ---
+--- library.o ---
+--- libdiff.o ---
+--- nroff.o ---
+--- nroff_escape.o ---
+--- odt.o ---
+--- smartypants.o ---
+--- template.o ---
+--- term.o ---
+--- tree.o ---
+--- util.o ---
 --- autolink.o ---
 i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c autolink.c
 --- buffer.o ---
@@ -460,31 +506,22 @@
 --- term.o ---
 i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c term.c
 --- tree.o ---
---- util.o ---
---- tree.o ---
 i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c tree.c
 --- util.o ---
 i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c util.c
 --- compats.o ---
-i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c compats.c
+--- main.o ---
+--- lowdown.pc ---
 --- main.o ---
 i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c main.c
---- template.o ---
-In function 'op_eval_initial',
-    inlined from 'op_eval' at template.c:1051:3:
-template.c:925:22: warning: 'args' may be used uninitialized [-Wmaybe-uninitialized]
-  925 |                 if (!op_argq_new(&argq, args, argsz))
-      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-template.c: In function 'op_eval':
-template.c:1009:40: note: 'args' was declared here
- 1009 |         const char      *next = NULL, *args;
-      |                                        ^~~~
+--- compats.o ---
+i686-linux-gnu-gcc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/lowdown-2.0.2=. -fstack-protector-strong -Wformat -Werror=format-security -isystem /usr/include/i386-linux-gnu/bsd -DLIBBSD_OVERLAY -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -DVERSION=\"2.0.2\" -fPIC -fvisibility=hidden -Wdate-time -D_FORTIFY_SOURCE=2 -c compats.c
+--- lowdown.pc ---
+sed -e "s!@PREFIX@!/usr!g"  -e "s!@LIBDIR@!/usr/lib/i386-linux-gnu!g"  -e "s!@INCLUDEDIR@!/usr/include!g"  -e "s!@VERSION@!2.0.2!g" lowdown.in.pc >lowdown.pc
 --- main.o ---
 main.c:170:3: warning: #warning Compiling without sandbox support. [-Wcpp]
   170 | # warning Compiling without sandbox support.
       |   ^~~~~~~
---- lowdown.pc ---
-sed -e "s!@PREFIX@!/usr!g"  -e "s!@LIBDIR@!/usr/lib/i386-linux-gnu!g"  -e "s!@INCLUDEDIR@!/usr/include!g"  -e "s!@VERSION@!2.0.2!g" lowdown.in.pc >lowdown.pc
 --- compats.o ---
 compats.c: In function 'fmt_scaled':
 compats.c:2698:61: warning: '%lld' directive output may be truncated writing between 1 and 17 bytes into a region of size 7 [-Wformat-truncation=]
@@ -505,6 +542,16 @@
       |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    70 |                                    __va_arg_pack ());
       |                                    ~~~~~~~~~~~~~~~~~
+--- template.o ---
+In function 'op_eval_initial',
+    inlined from 'op_eval' at template.c:1051:3:
+template.c:925:22: warning: 'args' may be used uninitialized [-Wmaybe-uninitialized]
+  925 |                 if (!op_argq_new(&argq, args, argsz))
+      |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+template.c: In function 'op_eval':
+template.c:1009:40: note: 'args' was declared here
+ 1009 |         const char      *next = NULL, *args;
+      |                                        ^~~~
 --- liblowdown.a ---
 --- liblowdown.so ---
 --- liblowdown.a ---
@@ -893,8 +940,8 @@
 dpkg-deb: building package 'lowdown' in '../lowdown_2.0.2-2_i386.deb'.
 dpkg-deb: building package 'lowdown-dbgsym' in '../lowdown-dbgsym_2.0.2-2_i386.deb'.
 dpkg-deb: building package 'liblowdown-dev' in '../liblowdown-dev_2.0.2-2_i386.deb'.
-dpkg-deb: building package 'liblowdown2-dbgsym' in '../liblowdown2-dbgsym_2.0.2-2_i386.deb'.
 dpkg-deb: building package 'liblowdown2' in '../liblowdown2_2.0.2-2_i386.deb'.
+dpkg-deb: building package 'liblowdown2-dbgsym' in '../liblowdown2-dbgsym_2.0.2-2_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../lowdown_2.0.2-2_i386.buildinfo
  dpkg-genchanges --build=binary -O../lowdown_2.0.2-2_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -902,12 +949,14 @@
 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/28387/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/28387/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/14963 and its subdirectories
-I: Current time: Thu Mar  6 02:25:41 -12 2025
-I: pbuilder-time-stamp: 1741271141
+I: removing directory /srv/workspace/pbuilder/28387 and its subdirectories
+I: Current time: Thu Apr  9 10:49:32 +14 2026
+I: pbuilder-time-stamp: 1775681372