Diff of the two buildlogs:

--
--- b1/build.log	2025-01-18 02:33:33.509897768 +0000
+++ b2/build.log	2025-01-18 02:34:05.472457845 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Jan 17 14:31:04 -12 2025
-I: pbuilder-time-stamp: 1737167464
+I: Current time: Fri Feb 20 22:56:35 +14 2026
+I: pbuilder-time-stamp: 1771577795
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -28,54 +28,86 @@
 dpkg-source: info: applying fix_ftbfs_epoll.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/34711/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/64044/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 Feb 20 08:56 /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/64044/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/64044/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='4929ce693b6a4e8fbe18c4acf9e0ace4'
-  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='34711'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=35f5c583d4224b389ac4cf678576713f
+  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=64044
   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.4B2mUdXK/pbuilderrc_ws5V --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.4B2mUdXK/b1 --logfile b1/build.log fbterm_1.7-5.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.4B2mUdXK/pbuilderrc_z7ku --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.4B2mUdXK/b2 --logfile b2/build.log fbterm_1.7-5.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 ionos12-i386 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) 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/34711/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/64044/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -175,7 +207,7 @@
 Get: 52 http://deb.debian.org/debian trixie/main i386 libgpm-dev i386 1.20.7-11+b2 [18.1 kB]
 Get: 53 http://deb.debian.org/debian trixie/main i386 libx86-1 i386 1.1+ds1-13 [72.1 kB]
 Get: 54 http://deb.debian.org/debian trixie/main i386 libx86-dev i386 1.1+ds1-13 [80.5 kB]
-Fetched 27.3 MB in 1s (41.3 MB/s)
+Fetched 27.3 MB in 0s (99.8 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 ... 19839 files and directories currently installed.)
@@ -411,7 +443,11 @@
 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/fbterm-1.7/ && 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  > ../fbterm_1.7-5_source.changes
+I: user script /srv/workspace/pbuilder/64044/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/64044/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/fbterm-1.7/ && 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  > ../fbterm_1.7-5_source.changes
 dpkg-buildpackage: info: source package fbterm
 dpkg-buildpackage: info: source version 1.7-5
 dpkg-buildpackage: info: source distribution unstable
@@ -564,7 +600,7 @@
 config.status: linking src/immessage.h to im/immessage.h
 config.status: executing depfiles commands
    dh_auto_build
-	make -j11
+	make -j21
 make[1]: Entering directory '/build/reproducible-path/fbterm-1.7'
 make  all-recursive
 make[2]: Entering directory '/build/reproducible-path/fbterm-1.7'
@@ -596,6 +632,8 @@
 g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-screen.o `test -f 'screen.cpp' || echo './'`screen.cpp
 g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-improxy.o `test -f 'improxy.cpp' || echo './'`improxy.cpp
 g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-screen_render.o `test -f 'screen_render.cpp' || echo './'`screen_render.cpp
+g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-fbdev.o `test -f 'fbdev.cpp' || echo './'`fbdev.cpp
+g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-vesadev.o `test -f 'vesadev.cpp' || echo './'`vesadev.cpp
 fbterm.cpp: In member function 'void FbTerm::initChildProcess()':
 fbterm.cpp:282:15: warning: ignoring return value of 'int setuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
   282 |         setuid(getuid());
@@ -604,22 +642,6 @@
 fbterm.cpp:293:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
   293 |         seteuid(getuid());
       |         ~~~~~~~^~~~~~~~~~
-g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-fbdev.o `test -f 'fbdev.cpp' || echo './'`fbdev.cpp
-input.cpp: In member function 'void TtyInput::setupSysKey(bool)':
-input.cpp:142:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
-  142 |         seteuid(0);
-      |         ~~~~~~~^~~
-input.cpp:168:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
-  168 |         seteuid(getuid());
-      |         ~~~~~~~^~~~~~~~~~
-g++ -DHAVE_CONFIG_H -I. -I..   -Wdate-time -D_FORTIFY_SOURCE=2 -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security -c -o fbterm-vesadev.o `test -f 'vesadev.cpp' || echo './'`vesadev.cpp
-fbshell.cpp: In member function 'void FbShell::switchVt(bool, FbShell*)':
-fbshell.cpp:557:24: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
-  557 |                 seteuid(0);
-      |                 ~~~~~~~^~~
-fbshell.cpp:564:24: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
-  564 |                 seteuid(getuid());
-      |                 ~~~~~~~^~~~~~~~~~
 vesadev.cpp: In function 's16 get_mode(s16, bool)':
 vesadev.cpp:128:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
   128 |         seteuid(0);
@@ -634,6 +656,20 @@
 vesadev.cpp:287:32: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
   287 |                         seteuid(getuid());
       |                         ~~~~~~~^~~~~~~~~~
+fbshell.cpp: In member function 'void FbShell::switchVt(bool, FbShell*)':
+fbshell.cpp:557:24: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
+  557 |                 seteuid(0);
+      |                 ~~~~~~~^~~
+fbshell.cpp:564:24: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
+  564 |                 seteuid(getuid());
+      |                 ~~~~~~~^~~~~~~~~~
+input.cpp: In member function 'void TtyInput::setupSysKey(bool)':
+input.cpp:142:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
+  142 |         seteuid(0);
+      |         ~~~~~~~^~~
+input.cpp:168:16: warning: ignoring return value of 'int seteuid(__uid_t)' declared with attribute 'warn_unused_result' [-Wunused-result]
+  168 |         seteuid(getuid());
+      |         ~~~~~~~^~~~~~~~~~
 g++ -fno-exceptions -fno-rtti -Ilib -I/usr/include/freetype2 -I/usr/include/libpng16  -I/usr/include/freetype2 -I/usr/include/libpng16  -g -O2 -ffile-prefix-map=/build/reproducible-path/fbterm-1.7=. -fstack-protector-strong -Wformat -Werror=format-security  -Wl,-z,relro -o fbterm fbterm-fbconfig.o fbterm-fbio.o fbterm-fbshell.o fbterm-fbshellman.o fbterm-fbterm.o fbterm-font.o fbterm-input.o fbterm-mouse.o fbterm-screen.o fbterm-improxy.o fbterm-screen_render.o fbterm-fbdev.o fbterm-vesadev.o lib/libshell.a -lfreetype  -lfontconfig -lfreetype  -lx86 -lutil -lutil 
 make[4]: Leaving directory '/build/reproducible-path/fbterm-1.7/src'
 make[3]: Leaving directory '/build/reproducible-path/fbterm-1.7/src'
@@ -654,7 +690,7 @@
 make[2]: Leaving directory '/build/reproducible-path/fbterm-1.7'
 make[1]: Leaving directory '/build/reproducible-path/fbterm-1.7'
    dh_auto_test
-	make -j11 check "TESTSUITEFLAGS=-j11 --verbose" VERBOSE=1
+	make -j21 check "TESTSUITEFLAGS=-j21 --verbose" VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/fbterm-1.7'
 Making check in src
 make[2]: Entering directory '/build/reproducible-path/fbterm-1.7/src'
@@ -694,7 +730,7 @@
    dh_prep
    dh_installdirs
    dh_auto_install --destdir=debian/fbterm/
-	make -j11 install DESTDIR=/build/reproducible-path/fbterm-1.7/debian/fbterm AM_UPDATE_INFO_DIR=no
+	make -j21 install DESTDIR=/build/reproducible-path/fbterm-1.7/debian/fbterm AM_UPDATE_INFO_DIR=no
 make[1]: Entering directory '/build/reproducible-path/fbterm-1.7'
 Making install in src
 make[2]: Entering directory '/build/reproducible-path/fbterm-1.7/src'
@@ -759,8 +795,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'fbterm' in '../fbterm_1.7-5_i386.deb'.
 dpkg-deb: building package 'fbterm-dbgsym' in '../fbterm-dbgsym_1.7-5_i386.deb'.
+dpkg-deb: building package 'fbterm' in '../fbterm_1.7-5_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../fbterm_1.7-5_i386.buildinfo
  dpkg-genchanges --build=binary -O../fbterm_1.7-5_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -768,12 +804,14 @@
 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/64044/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/64044/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/34711 and its subdirectories
-I: Current time: Fri Jan 17 14:33:32 -12 2025
-I: pbuilder-time-stamp: 1737167612
+I: removing directory /srv/workspace/pbuilder/64044 and its subdirectories
+I: Current time: Fri Feb 20 22:57:04 +14 2026
+I: pbuilder-time-stamp: 1771577824