Diff of the two buildlogs:

--
--- b1/build.log	2024-12-13 06:47:21.748633492 +0000
+++ b2/build.log	2024-12-13 06:47:57.487006289 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Dec 12 18:45:42 -12 2024
-I: pbuilder-time-stamp: 1734072342
+I: Current time: Fri Jan 16 03:10:23 +14 2026
+I: pbuilder-time-stamp: 1768482623
 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 fakepq.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/33507/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/76163/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 Jan 15 13:10 /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/76163/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/76163/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='7e7ae4708ff9428f86f0204623baf457'
-  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='33507'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=792af2eb8f014e75b806f075474ec81f
+  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=76163
   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.bo3AMYUF/pbuilderrc_mBSN --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.bo3AMYUF/b1 --logfile b1/build.log tdbcpostgres_1.1.10-1.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.bo3AMYUF/pbuilderrc_bgXZ --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.bo3AMYUF/b2 --logfile b2/build.log tdbcpostgres_1.1.10-1.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 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) 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/33507/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/76163/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -170,7 +202,7 @@
 Get: 51 http://deb.debian.org/debian trixie/main i386 zlib1g-dev i386 1:1.3.dfsg+really1.3.1-1+b1 [916 kB]
 Get: 52 http://deb.debian.org/debian trixie/main i386 tcl8.6-dev i386 8.6.15+dfsg-2 [1119 kB]
 Get: 53 http://deb.debian.org/debian trixie/main i386 tcl8.6-tdbc i386 1.1.9-1 [42.1 kB]
-Fetched 27.3 MB in 1s (29.2 MB/s)
+Fetched 27.3 MB in 0s (89.9 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package tzdata.
 (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 ... 19952 files and directories currently installed.)
@@ -355,8 +387,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Fri Dec 13 06:46:21 UTC 2024.
-Universal Time is now:  Fri Dec 13 06:46:21 UTC 2024.
+Local time is now:      Thu Jan 15 13:10:41 UTC 2026.
+Universal Time is now:  Thu Jan 15 13:10:41 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -413,7 +445,11 @@
 fakeroot is already the newest version (1.36-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/tdbcpostgres-1.1.10/ && 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  > ../tdbcpostgres_1.1.10-1_source.changes
+I: user script /srv/workspace/pbuilder/76163/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/76163/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/tdbcpostgres-1.1.10/ && 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  > ../tdbcpostgres_1.1.10-1_source.changes
 dpkg-buildpackage: info: source package tdbcpostgres
 dpkg-buildpackage: info: source version 1.1.10-1
 dpkg-buildpackage: info: source distribution unstable
@@ -516,11 +552,11 @@
 config.status: creating pkgIndex.tcl
 make[1]: Leaving directory '/build/reproducible-path/tdbcpostgres-1.1.10'
    dh_auto_build
-	make -j11
+	make -j21
 make[1]: Entering directory '/build/reproducible-path/tdbcpostgres-1.1.10'
 echo "#define TDBC_POSTGRES_VERSION_UUID \\" >tdbcPostgresUuid.h
-cat ./manifest.uuid >>tdbcPostgresUuid.h
 gcc -DPACKAGE_NAME=\"tdbcpostgres\" -DPACKAGE_TARNAME=\"tdbcpostgres\" -DPACKAGE_VERSION=\"1.1.10\" -DPACKAGE_STRING=\"tdbcpostgres\ 1.1.10\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DBUILD_tdbcpostgres=/\*\*/ -DHAVE_STDIO_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_STRINGS_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_UNISTD_H=1 -DSTDC_HEADERS=1 -DTcl_Size=int -DHAVE_LONG_LONG=1 -DSIZEOF_LONG_LONG=8 -DSIZEOF_LONG=4 -DUSE_THREAD_ALLOC=1 -D_REENTRANT=1 -D_THREAD_SAFE=1 -DTCL_THREADS=1 -DUSE_TCL_STUBS=1 -DUSE_TCLOO_STUBS=1 -DMODULE_SCOPE=extern\ __attribute__\(\(__visibility__\(\"hidden\"\)\)\) -DHAVE_HIDDEN=1 -DHAVE_CAST_TO_UNION=1 -DHAVE_STDBOOL_H=1 -DTCL_WIDE_INT_TYPE=long\ long -DHAVE_OPEN64=1 -DHAVE_LSEEK64=1 -DTCL_CFG_OPTIMIZED=1 -DHAVE_INTPTR_T=1 -DHAVE_UINTPTR_T=1 -DTCL_MAJOR_VERSION=8  -I/usr/include -I"/usr/include/tcl8.6" -I.    -O2 -fomit-frame-pointer -DNDEBUG -Wall -fPIC -I/usr/include/tcl8.6 -pipe -O2 -fomit-frame-pointer -DNDEBUG -Wall -fPIC -Wdate-time -D_FORTIFY_SOURCE=2 -c `echo ./generic/pqStubInit.c` -o pqStubInit.o
+cat ./manifest.uuid >>tdbcPostgresUuid.h
 echo "" >>tdbcPostgresUuid.h
 gcc -DPACKAGE_NAME=\"tdbcpostgres\" -DPACKAGE_TARNAME=\"tdbcpostgres\" -DPACKAGE_VERSION=\"1.1.10\" -DPACKAGE_STRING=\"tdbcpostgres\ 1.1.10\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DBUILD_tdbcpostgres=/\*\*/ -DHAVE_STDIO_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_STRINGS_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_UNISTD_H=1 -DSTDC_HEADERS=1 -DTcl_Size=int -DHAVE_LONG_LONG=1 -DSIZEOF_LONG_LONG=8 -DSIZEOF_LONG=4 -DUSE_THREAD_ALLOC=1 -D_REENTRANT=1 -D_THREAD_SAFE=1 -DTCL_THREADS=1 -DUSE_TCL_STUBS=1 -DUSE_TCLOO_STUBS=1 -DMODULE_SCOPE=extern\ __attribute__\(\(__visibility__\(\"hidden\"\)\)\) -DHAVE_HIDDEN=1 -DHAVE_CAST_TO_UNION=1 -DHAVE_STDBOOL_H=1 -DTCL_WIDE_INT_TYPE=long\ long -DHAVE_OPEN64=1 -DHAVE_LSEEK64=1 -DTCL_CFG_OPTIMIZED=1 -DHAVE_INTPTR_T=1 -DHAVE_UINTPTR_T=1 -DTCL_MAJOR_VERSION=8  -I/usr/include -I"/usr/include/tcl8.6" -I.    -O2 -fomit-frame-pointer -DNDEBUG -Wall -fPIC -I/usr/include/tcl8.6 -pipe -O2 -fomit-frame-pointer -DNDEBUG -Wall -fPIC -Wdate-time -D_FORTIFY_SOURCE=2 -c `echo ./generic/tdbcpostgres.c` -o tdbcpostgres.o
 rm -f libtdbcpostgres1.1.10.so
@@ -528,9 +564,9 @@
 : libtdbcpostgres1.1.10.so
 make[1]: Leaving directory '/build/reproducible-path/tdbcpostgres-1.1.10'
    dh_auto_test
-	make -j11 test "TESTSUITEFLAGS=-j11 --verbose" VERBOSE=1
+	make -j21 test "TESTSUITEFLAGS=-j21 --verbose" VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/tdbcpostgres-1.1.10'
-TCL_LIBRARY=`echo /usr/include/tcl8.6/tcl-private/library` LD_LIBRARY_PATH="/build/reproducible-path/tdbcpostgres-1.1.10:/usr/lib/tcl8.6:/usr/lib/libeatmydata" PATH="/build/reproducible-path/tdbcpostgres-1.1.10:/usr/lib/tcl8.6:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" TDBCPOSTGRES_LIBRARY=`echo ./library` TDBC_LIBRARY=`echo /usr/lib/tcltk/tdbc1.1.9` TCLLIBPATH="/build/reproducible-path/tdbcpostgres-1.1.10 /usr/lib/tcltk/tdbc1.1.9" /usr/bin/tclsh8.6 -encoding utf-8 `echo ./tests/all.tcl`  \
+TCL_LIBRARY=`echo /usr/include/tcl8.6/tcl-private/library` LD_LIBRARY_PATH="/build/reproducible-path/tdbcpostgres-1.1.10:/usr/lib/tcl8.6:/usr/lib/libeatmydata" PATH="/build/reproducible-path/tdbcpostgres-1.1.10:/usr/lib/tcl8.6:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" TDBCPOSTGRES_LIBRARY=`echo ./library` TDBC_LIBRARY=`echo /usr/lib/tcltk/tdbc1.1.9` TCLLIBPATH="/build/reproducible-path/tdbcpostgres-1.1.10 /usr/lib/tcltk/tdbc1.1.9" /usr/bin/tclsh8.6 -encoding utf-8 `echo ./tests/all.tcl`  \
 	-load "package ifneeded tdbc::postgres 1.1.10 \
 		[list source -encoding utf-8 `echo ./library/tdbcpostgres.tcl`]\;[list load `echo libtdbcpostgres1.1.10.so` [string totitle tdbcpostgres]]"
 Tests running in interp:  /usr/bin/tclsh8.6
@@ -541,11 +577,11 @@
 Running tests that match:  *
 Skipping test files that match:  l.*.test
 Only running test files that match:  *.test
-Tests began at Thu Dec 12 18:47:03 -1200 2024
+Tests began at Fri Jan 16 03:10:51 +1400 2026
 tdbcpostgres.test
 tests requiring a db connection skipped.
 
-Tests ended at Thu Dec 12 18:47:03 -1200 2024
+Tests ended at Fri Jan 16 03:10:51 +1400 2026
 all.tcl:	Total	9	Passed	8	Skipped	1	Failed	0
 Sourced 1 Test Files.
 Number of tests skipped for each constraint:
@@ -560,13 +596,13 @@
 make[1]: Entering directory '/build/reproducible-path/tdbcpostgres-1.1.10'
 dh_auto_install ; \
 mkdir /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/share/man/man3
-	make -j11 install DESTDIR=/build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres AM_UPDATE_INFO_DIR=no
+	make -j21 install DESTDIR=/build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres AM_UPDATE_INFO_DIR=no
 make[2]: Entering directory '/build/reproducible-path/tdbcpostgres-1.1.10'
- /bin/bash ./tclconfig/install-sh -c  -m 644 libtdbcpostgres1.1.10.so /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/lib/tcltk/tdbcpostgres1.1.10/libtdbcpostgres1.1.10.so
-Installing documentation in /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/share/man
-Installing ./doc/tdbc_postgres.n
 Installing header files in /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/include
+Installing documentation in /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/share/man
+ /bin/sh ./tclconfig/install-sh -c  -m 644 libtdbcpostgres1.1.10.so /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/lib/tcltk/tdbcpostgres1.1.10/libtdbcpostgres1.1.10.so
 Installing ./generic/fakepq.h
+Installing ./doc/tdbc_postgres.n
 Installing ./generic/pqStubs.h
  Install tdbcpostgres.tcl /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/lib/tcltk/tdbcpostgres1.1.10/tdbcpostgres.tcl
  Install pkgIndex.tcl /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/lib/tcltk/tdbcpostgres1.1.10
@@ -625,12 +661,14 @@
 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/76163/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/76163/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/33507 and its subdirectories
-I: Current time: Thu Dec 12 18:47:20 -12 2024
-I: pbuilder-time-stamp: 1734072440
+I: removing directory /srv/workspace/pbuilder/76163 and its subdirectories
+I: Current time: Fri Jan 16 03:10:56 +14 2026
+I: pbuilder-time-stamp: 1768482656