Diff of the two buildlogs:

--
--- b1/build.log	2024-12-14 01:22:06.600810399 +0000
+++ b2/build.log	2024-12-14 01:23:23.817293354 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Dec 13 13:16:03 -12 2024
-I: pbuilder-time-stamp: 1734138963
+I: Current time: Sat Dec 14 15:22:15 +14 2024
+I: pbuilder-time-stamp: 1734139335
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,52 +27,84 @@
 dpkg-source: info: applying fakepq.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3039/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/29627/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 Dec 14 01:22 /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/29627/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/29627/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='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='29e9a2dbbd6a410aa4d457119338303d'
-  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='3039'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=06921aa7b30c468ca9115d8901002f17
+  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=29627
   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.uvXG5id4/pbuilderrc_J2sL --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.uvXG5id4/b1 --logfile b1/build.log tdbcpostgres_1.1.10-1.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  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.uvXG5id4/pbuilderrc_RxSk --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.uvXG5id4/b2 --logfile b2/build.log tdbcpostgres_1.1.10-1.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 cbxi4a 6.1.0-23-armmp #1 SMP Debian 6.1.99-1 (2024-07-15) 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/3039/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/29627/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -167,7 +199,7 @@
 Get: 51 http://deb.debian.org/debian trixie/main armhf zlib1g-dev armhf 1:1.3.dfsg+really1.3.1-1+b1 [905 kB]
 Get: 52 http://deb.debian.org/debian trixie/main armhf tcl8.6-dev armhf 8.6.15+dfsg-2 [947 kB]
 Get: 53 http://deb.debian.org/debian trixie/main armhf tcl8.6-tdbc armhf 1.1.9-1 [41.5 kB]
-Fetched 25.6 MB in 2s (11.5 MB/s)
+Fetched 25.6 MB in 0s (92.0 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 ... 19680 files and directories currently installed.)
@@ -352,8 +384,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sat Dec 14 01:17:52 UTC 2024.
-Universal Time is now:  Sat Dec 14 01:17:52 UTC 2024.
+Local time is now:      Sat Dec 14 01:22:46 UTC 2024.
+Universal Time is now:  Sat Dec 14 01:22:46 UTC 2024.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -410,7 +442,11 @@
 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/29627/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/29627/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
@@ -440,7 +476,7 @@
 	./configure --build=arm-linux-gnueabihf --prefix=/usr --includedir=\${prefix}/include --mandir=\${prefix}/share/man --infodir=\${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --disable-option-checking --disable-silent-rules --libdir=\${prefix}/lib/arm-linux-gnueabihf --runstatedir=/run --disable-maintainer-mode --disable-dependency-tracking --with-tcl=/usr/lib/tcl8.6/ --prefix=/usr --includedir=/usr/include --mandir=/usr/share/man --infodir=/usr/share/info --sysconfdir=/etc --localstatedir=/var --libdir=/usr/lib/tcltk/ --libexecdir=/usr/lib/tcltk --with-tdbc=/usr/lib/tcltk/tdbc1.1.9
 checking TEA configuration... ok (TEA 3.13)
 configure: configuring tdbcpostgres 1.1.10
-checking system version... Linux-6.1.0-23-armmp
+checking system version... Linux-6.1.0-28-arm64
 checking for Tcl configuration... found /usr/lib/tcl8.6/tclConfig.sh
 checking for gcc... gcc
 checking whether the C compiler works... yes
@@ -489,7 +525,7 @@
 checking if 64bit Sparc VIS support is requested... no
 checking if compiler supports visibility "hidden"... yes
 checking if rpath support is requested... yes
-checking system version... (cached) Linux-6.1.0-23-armmp
+checking system version... (cached) Linux-6.1.0-28-arm64
 checking for ar... ar
 checking for cast to union support... yes
 checking for stdbool.h... yes
@@ -513,7 +549,7 @@
 config.status: creating pkgIndex.tcl
 make[1]: Leaving directory '/build/reproducible-path/tdbcpostgres-1.1.10'
    dh_auto_build
-	make -j3
+	make -j4
 make[1]: Entering directory '/build/reproducible-path/tdbcpostgres-1.1.10'
 echo "#define TDBC_POSTGRES_VERSION_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 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -c `echo ./generic/pqStubInit.c` -o pqStubInit.o
@@ -525,9 +561,9 @@
 : libtdbcpostgres1.1.10.so
 make[1]: Leaving directory '/build/reproducible-path/tdbcpostgres-1.1.10'
    dh_auto_test
-	make -j3 test "TESTSUITEFLAGS=-j3 --verbose" VERBOSE=1
+	make -j4 test "TESTSUITEFLAGS=-j4 --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:" 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:" 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
@@ -538,11 +574,11 @@
 Running tests that match:  *
 Skipping test files that match:  l.*.test
 Only running test files that match:  *.test
-Tests began at Fri Dec 13 13:20:14 -1200 2024
+Tests began at Sat Dec 14 15:23:08 +1400 2024
 tdbcpostgres.test
 tests requiring a db connection skipped.
 
-Tests ended at Fri Dec 13 13:20:14 -1200 2024
+Tests ended at Sat Dec 14 15:23:08 +1400 2024
 all.tcl:	Total	9	Passed	8	Skipped	1	Failed	0
 Sourced 1 Test Files.
 Number of tests skipped for each constraint:
@@ -557,15 +593,15 @@
 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 -j3 install DESTDIR=/build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres AM_UPDATE_INFO_DIR=no
+	make -j4 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
+ /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 header files in /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/include
-Installing ./generic/fakepq.h
- Install tdbcpostgres.tcl /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/lib/tcltk/tdbcpostgres1.1.10/tdbcpostgres.tcl
-Installing ./generic/pqStubs.h
 Installing documentation in /build/reproducible-path/tdbcpostgres-1.1.10/debian/tcl8.6-tdbc-postgres/usr/share/man
+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
 make[2]: Leaving directory '/build/reproducible-path/tdbcpostgres-1.1.10'
 # Fix up the manpages.
@@ -626,12 +662,14 @@
 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/29627/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/29627/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/3039 and its subdirectories
-I: Current time: Fri Dec 13 13:22:02 -12 2024
-I: pbuilder-time-stamp: 1734139322
+I: removing directory /srv/workspace/pbuilder/29627 and its subdirectories
+I: Current time: Sat Dec 14 15:23:19 +14 2024
+I: pbuilder-time-stamp: 1734139399