Diff of the two buildlogs:

--
--- b1/build.log	2025-03-26 10:32:59.221989254 +0000
+++ b2/build.log	2025-03-26 10:38:16.723725491 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Apr 28 04:51:05 -12 2026
-I: pbuilder-time-stamp: 1777395065
+I: Current time: Thu Mar 27 00:33:02 +14 2025
+I: pbuilder-time-stamp: 1742985182
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -26,52 +26,84 @@
 dpkg-source: info: applying update-test-assertions.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3553335/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/848646/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink04-arm64.
+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 Mar 26 10:33 /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/848646/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/848646/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='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  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]="aarch64-unknown-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=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='948a50333f574399897fea742cd4d843'
-  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='3553335'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=23ae311c3029409ea7226e64ef2284d3
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-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=848646
   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.tnzWmBMp/pbuilderrc_oXgh --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.tnzWmBMp/b1 --logfile b1/build.log pgbouncer_1.24.0-3.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.4:3128'
+  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.tnzWmBMp/pbuilderrc_l642 --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.tnzWmBMp/b2 --logfile b2/build.log pgbouncer_1.24.0-3.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink03-arm64 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3553335/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/848646/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -261,9 +293,9 @@
 Get: 111 http://deb.debian.org/debian trixie/main arm64 python3-pytest-timeout all 2.3.1-1 [21.9 kB]
 Get: 112 http://deb.debian.org/debian trixie/main arm64 python3-pytest-xdist all 3.6.1-1 [44.4 kB]
 Get: 113 http://deb.debian.org/debian trixie/main arm64 tzdata-legacy all 2025b-1 [179 kB]
-Fetched 124 MB in 1s (205 MB/s)
+Fetched 124 MB in 1s (87.6 MB/s)
 Preconfiguring packages ...
-/var/cache/debconf/tmp.ci/postgresql.config.nGCOFO: 12: pg_lsclusters: not found
+/var/cache/debconf/tmp.ci/postgresql.config.r3JXGr: line 12: pg_lsclusters: command not found
 Selecting previously unselected package libjson-perl.
 (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 ... 19921 files and directories currently installed.)
 Preparing to unpack .../00-libjson-perl_4.10000-1_all.deb ...
@@ -645,8 +677,8 @@
 Setting up tzdata (2025b-1) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Tue Apr 28 16:51:54 UTC 2026.
-Universal Time is now:  Tue Apr 28 16:51:54 UTC 2026.
+Local time is now:      Wed Mar 26 10:33:58 UTC 2025.
+Universal Time is now:  Wed Mar 26 10:33:58 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -701,11 +733,6 @@
 152 added, 0 removed; done.
 Setting up pandoc (3.1.11.1+ds-2) ...
 Setting up ssl-cert (1.1.3) ...
-hostname: Name or service not known
-make-ssl-cert: Could not get FQDN, using 'codethink03-arm64'.
-make-ssl-cert: You may want to fix your /etc/hosts and/or DNS setup and run
-make-ssl-cert: 'make-ssl-cert generate-default-snakeoil --force-overwrite'
-make-ssl-cert: again.
 Setting up libgssapi-krb5-2:arm64 (1.21.3-5) ...
 Setting up ucf (3.0050) ...
 Setting up libevent-extra-2.1-7t64:arm64 (2.1.12-stable-10+b1) ...
@@ -759,7 +786,7 @@
 selecting dynamic shared memory implementation ... posix
 selecting default "max_connections" ... 100
 selecting default "shared_buffers" ... 128MB
-selecting default time zone ... /usr/share/zoneinfo/Etc/GMT+12
+selecting default time zone ... /usr/share/zoneinfo/Etc/GMT-14
 creating configuration files ... ok
 running bootstrap script ... ok
 performing post-bootstrap initialization ... ok
@@ -784,7 +811,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/pgbouncer-1.24.0/ && 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  > ../pgbouncer_1.24.0-3_source.changes
+I: user script /srv/workspace/pbuilder/848646/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/848646/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pgbouncer-1.24.0/ && 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  > ../pgbouncer_1.24.0-3_source.changes
 dpkg-buildpackage: info: source package pgbouncer
 dpkg-buildpackage: info: source version 1.24.0-3
 dpkg-buildpackage: info: source distribution unstable
@@ -1087,13 +1118,13 @@
 python3 filter.py frag-config-man.md config.md >pgbouncer_5.md
 pandoc -s -t man -o pgbouncer.1 pgbouncer_1.md
 pandoc -s -t man -o pgbouncer.5 pgbouncer_5.md
-make[2]: Leaving directory '/build/reproducible-path/pgbouncer-1.24.0/doc'
 gcc  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/pgbouncer-1.24.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wmissing-prototypes -Wpointer-arith -Wendif-labels -Wdeclaration-after-statement -Wold-style-definition -Wstrict-prototypes -Wundef -Wformat=2 -Wuninitialized -Wmissing-format-attribute  -g -Wl,-z,relro -Wl,--as-needed -o pgbouncer .objs/pgbouncer/src/admin.o .objs/pgbouncer/src/client.o .objs/pgbouncer/src/dnslookup.o .objs/pgbouncer/src/hba.o .objs/pgbouncer/src/janitor.o .objs/pgbouncer/src/loader.o .objs/pgbouncer/src/messages.o .objs/pgbouncer/src/main.o .objs/pgbouncer/src/objects.o .objs/pgbouncer/src/pam.o .objs/pgbouncer/src/pktbuf.o .objs/pgbouncer/src/pooler.o .objs/pgbouncer/src/proto.o .objs/pgbouncer/src/prepare.o .objs/pgbouncer/src/sbuf.o .objs/pgbouncer/src/scram.o .objs/pgbouncer/src/server.o .objs/pgbouncer/src/stats.o .objs/pgbouncer/src/system.o .objs/pgbouncer/src/takeover.o .objs/pgbouncer/src/util.o .objs/pgbouncer/src/varcache.o .objs/pgbouncer/src/common/base64.o .objs/pgbouncer/src/common/bool.o .objs/pgbouncer/src/common/pgstrcasecmp.o .objs/pgbouncer/src/common/saslprep.o .objs/pgbouncer/src/common/scram-common.o .objs/pgbouncer/src/common/unicode_norm.o .objs/pgbouncer/src/common/wchar.o .objs/pgbouncer/lib/usual/aatree.o .objs/pgbouncer/lib/usual/base.o .objs/pgbouncer/lib/usual/cbtree.o .objs/pgbouncer/lib/usual/cfparser.o .objs/pgbouncer/lib/usual/crypto/chacha.o .objs/pgbouncer/lib/usual/crypto/csrandom.o .objs/pgbouncer/lib/usual/crypto/digest.o .objs/pgbouncer/lib/usual/crypto/entropy.o .objs/pgbouncer/lib/usual/crypto/keccak.o .objs/pgbouncer/lib/usual/crypto/keccak_prng.o .objs/pgbouncer/lib/usual/crypto/md5.o .objs/pgbouncer/lib/usual/crypto/sha256.o .objs/pgbouncer/lib/usual/cxalloc.o .objs/pgbouncer/lib/usual/cxextra.o .objs/pgbouncer/lib/usual/err.o .objs/pgbouncer/lib/usual/fileutil.o .objs/pgbouncer/lib/usual/getopt.o .objs/pgbouncer/lib/usual/list.o .objs/pgbouncer/lib/usual/logging.o .objs/pgbouncer/lib/usual/mbuf.o .objs/pgbouncer/lib/usual/mempool.o .objs/pgbouncer/lib/usual/netdb.o .objs/pgbouncer/lib/usual/pgutil.o .objs/pgbouncer/lib/usual/regex.o .objs/pgbouncer/lib/usual/safeio.o .objs/pgbouncer/lib/usual/signal.o .objs/pgbouncer/lib/usual/slab.o .objs/pgbouncer/lib/usual/socket.o .objs/pgbouncer/lib/usual/socket_ntop.o .objs/pgbouncer/lib/usual/socket_pton.o .objs/pgbouncer/lib/usual/string.o .objs/pgbouncer/lib/usual/strpool.o .objs/pgbouncer/lib/usual/time.o .objs/pgbouncer/lib/usual/tls/tls.o .objs/pgbouncer/lib/usual/tls/tls_cert.o .objs/pgbouncer/lib/usual/tls/tls_client.o .objs/pgbouncer/lib/usual/tls/tls_compat.o .objs/pgbouncer/lib/usual/tls/tls_config.o .objs/pgbouncer/lib/usual/tls/tls_conninfo.o .objs/pgbouncer/lib/usual/tls/tls_ocsp.o .objs/pgbouncer/lib/usual/tls/tls_peer.o .objs/pgbouncer/lib/usual/tls/tls_server.o .objs/pgbouncer/lib/usual/tls/tls_util.o .objs/pgbouncer/lib/usual/tls/tls_verify.o -lcares -levent -lssl -lcrypto -lsystemd -lpam  
 make[2]: Leaving directory '/build/reproducible-path/pgbouncer-1.24.0/doc'
+make[2]: Leaving directory '/build/reproducible-path/pgbouncer-1.24.0/doc'
 make[1]: Leaving directory '/build/reproducible-path/pgbouncer-1.24.0'
    debian/rules override_dh_auto_test
 make[1]: Entering directory '/build/reproducible-path/pgbouncer-1.24.0'
-/usr/bin/make check PATH=/usr/lib/postgresql/17/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
+/usr/bin/make check PATH=/usr/lib/postgresql/17/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
 make[2]: Entering directory '/build/reproducible-path/pgbouncer-1.24.0'
 etc/optscan.sh
 if [ auto = 1 ]; then \
@@ -1166,9 +1197,9 @@
 12 workers [230 items]
 
 ........................................................................ [ 31%]
-............................s........................................... [ 62%]
-.............s..................................................s.....s. [ 93%]
-s.......s.....                                                           [100%]
+................................s....................................... [ 62%]
+............s....................................................s.s...s [ 93%]
+...s..........                                                           [100%]
 =============================== warnings summary ===============================
 test/conftest.py:175: 13 warnings
   /build/reproducible-path/pgbouncer-1.24.0/test/conftest.py:175: PytestRemovedIn9Warning: Marks applied to fixtures have no effect
@@ -1186,7 +1217,7 @@
     @pytest.mark.asyncio
 
 -- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
-=========== 224 passed, 6 skipped, 37 warnings in 104.01s (0:01:44) ============
+=========== 224 passed, 6 skipped, 37 warnings in 105.38s (0:01:45) ============
 /usr/bin/make -C test check
 make[3]: Entering directory '/build/reproducible-path/pgbouncer-1.24.0/test'
 gcc  -DHAVE_CONFIG_H -I../include -I../uthash/src -I../lib -Wdate-time -D_FORTIFY_SOURCE=2 -O0 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/pgbouncer-1.24.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wmissing-prototypes -Wpointer-arith -Wendif-labels -Wdeclaration-after-statement -Wold-style-definition -Wstrict-prototypes -Wundef -Wformat=2 -Wuninitialized -Wmissing-format-attribute -MD -MP -MT .objs/hba_test/hba_test.o -MF .objs/hba_test/hba_test.o.d -c -o .objs/hba_test/hba_test.o hba_test.c
@@ -1291,12 +1322,14 @@
 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/848646/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/848646/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/3553335 and its subdirectories
-I: Current time: Tue Apr 28 04:55:58 -12 2026
-I: pbuilder-time-stamp: 1777395358
+I: removing directory /srv/workspace/pbuilder/848646 and its subdirectories
+I: Current time: Thu Mar 27 00:38:15 +14 2025
+I: pbuilder-time-stamp: 1742985495