Diff of the two buildlogs:

--
--- b1/build.log	2025-03-16 06:07:23.657504572 +0000
+++ b2/build.log	2025-03-16 06:08:49.265645641 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Apr 18 00:29:53 -12 2026
-I: pbuilder-time-stamp: 1776515393
+I: Current time: Sun Mar 16 20:07:26 +14 2025
+I: pbuilder-time-stamp: 1742105246
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -24,52 +24,84 @@
 dpkg-source: info: applying 0001-fix-test-path.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2236858/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1050279/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 16 06:07 /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/1050279/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1050279/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='4237e7668ffc43f39c87aed1f77421c4'
-  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='2236858'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=6c3fc58df8dc436e85a5c69182554a8a
+  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=1050279
   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.Z7XCHz5n/pbuilderrc_YhnT --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.Z7XCHz5n/b1 --logfile b1/build.log go-mode.el_1.6.0+git20250311.0ed3c52-1.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.Z7XCHz5n/pbuilderrc_afRe --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.Z7XCHz5n/b2 --logfile b2/build.log go-mode.el_1.6.0+git20250311.0ed3c52-1.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/2236858/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1050279/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -203,7 +235,7 @@
 Get: 94 http://deb.debian.org/debian trixie/main arm64 libtext-glob-perl all 0.11-3 [7676 B]
 Get: 95 http://deb.debian.org/debian trixie/main arm64 libfile-find-rule-perl all 0.34-3 [26.6 kB]
 Get: 96 http://deb.debian.org/debian trixie/main arm64 dh-elpa all 2.1.9 [30.5 kB]
-Fetched 78.1 MB in 0s (253 MB/s)
+Fetched 78.1 MB in 1s (155 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package netbase.
 (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 ... 19917 files and directories currently installed.)
@@ -620,7 +652,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/go-mode.el-1.6.0+git20250311.0ed3c52/ && 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  > ../go-mode.el_1.6.0+git20250311.0ed3c52-1_source.changes
+I: user script /srv/workspace/pbuilder/1050279/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1050279/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/go-mode.el-1.6.0+git20250311.0ed3c52/ && 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  > ../go-mode.el_1.6.0+git20250311.0ed3c52-1_source.changes
 dpkg-buildpackage: info: source package go-mode.el
 dpkg-buildpackage: info: source version 3:1.6.0+git20250311.0ed3c52-1
 dpkg-buildpackage: info: source distribution unstable
@@ -636,40 +672,40 @@
    dh_autoreconf
    dh_elpa_test
 	emacs -batch -Q -l package --eval "(add-to-list 'package-directory-list \"/usr/share/emacs/site-lisp/elpa\")" --eval "(add-to-list 'package-directory-list \"/usr/share/emacs/site-lisp/elpa-src\")" --eval "(setq ert-batch-backtrace-right-margin nil)" -f package-initialize -L . -L test -l test/go-indentation-test.el -l test/go-font-lock-test.el -l test/go-fill-paragraph-test.el -l test/go-comment-test.el -f ert-run-tests-batch-and-exit
-Running 31 tests (2026-04-18 12:30:18+0000, selector `t')
-   passed   1/31  go--comment-region (0.002030 sec)
-   passed   2/31  go--fill-paragraph-block (0.000323 sec)
-   passed   3/31  go--fill-paragraph-block-empty-first (0.000280 sec)
-   passed   4/31  go--fill-paragraph-block-empty-first-region (0.000239 sec)
-   passed   5/31  go--fill-paragraph-block-offset (0.000289 sec)
-   passed   6/31  go--fill-paragraph-block-region-1 (0.000193 sec)
-   passed   7/31  go--fill-paragraph-block-region-2 (0.000178 sec)
-   passed   8/31  go--fill-paragraph-bob (0.000346 sec)
-   passed   9/31  go--fill-paragraph-code-region (0.000194 sec)
-   passed  10/31  go--fill-paragraph-single (0.000206 sec)
-   passed  11/31  go--fill-paragraph-single-artful (0.000186 sec)
-   passed  12/31  go--fill-paragraph-single-artful-region (0.000230 sec)
-   passed  13/31  go--fill-paragraph-single-region (0.000180 sec)
-   passed  14/31  go--fontify-assign (0.002320 sec)
-   passed  15/31  go--fontify-composite-literal (0.003120 sec)
-   passed  16/31  go--fontify-const-decl (0.001746 sec)
-   passed  17/31  go--fontify-go-dot-mod (0.000931 sec)
-   passed  18/31  go--fontify-index-multiply (0.000845 sec)
-   passed  19/31  go--fontify-interface (0.002032 sec)
-   passed  20/31  go--fontify-labels (0.000679 sec)
-   passed  21/31  go--fontify-negation (0.001514 sec)
-   passed  22/31  go--fontify-signature (0.009928 sec)
-   passed  23/31  go--fontify-slices-arrays-maps (0.004742 sec)
-   passed  24/31  go--fontify-struct (0.001489 sec)
-   passed  25/31  go--fontify-type-decl (0.003231 sec)
-   passed  26/31  go--fontify-type-switch (0.002846 sec)
-   passed  27/31  go--fontify-var-decl (0.004020 sec)
-   passed  28/31  go--indent-line (0.177091 sec)
-   passed  29/31  go--indent-multiline-comment (0.001035 sec)
-   passed  30/31  go--indent-top-level (0.000386 sec)
-   passed  31/31  go-dot-mod--indent-line (0.001119 sec)
+Running 31 tests (2025-03-16 06:08:42+0000, selector `t')
+   passed   1/31  go--comment-region (0.002132 sec)
+   passed   2/31  go--fill-paragraph-block (0.000591 sec)
+   passed   3/31  go--fill-paragraph-block-empty-first (0.000395 sec)
+   passed   4/31  go--fill-paragraph-block-empty-first-region (0.000315 sec)
+   passed   5/31  go--fill-paragraph-block-offset (0.000357 sec)
+   passed   6/31  go--fill-paragraph-block-region-1 (0.000251 sec)
+   passed   7/31  go--fill-paragraph-block-region-2 (0.000265 sec)
+   passed   8/31  go--fill-paragraph-bob (0.000454 sec)
+   passed   9/31  go--fill-paragraph-code-region (0.000261 sec)
+   passed  10/31  go--fill-paragraph-single (0.000294 sec)
+   passed  11/31  go--fill-paragraph-single-artful (0.000288 sec)
+   passed  12/31  go--fill-paragraph-single-artful-region (0.000303 sec)
+   passed  13/31  go--fill-paragraph-single-region (0.000483 sec)
+   passed  14/31  go--fontify-assign (0.002539 sec)
+   passed  15/31  go--fontify-composite-literal (0.003375 sec)
+   passed  16/31  go--fontify-const-decl (0.002161 sec)
+   passed  17/31  go--fontify-go-dot-mod (0.001172 sec)
+   passed  18/31  go--fontify-index-multiply (0.001018 sec)
+   passed  19/31  go--fontify-interface (0.002264 sec)
+   passed  20/31  go--fontify-labels (0.001032 sec)
+   passed  21/31  go--fontify-negation (0.001765 sec)
+   passed  22/31  go--fontify-signature (0.018953 sec)
+   passed  23/31  go--fontify-slices-arrays-maps (0.013565 sec)
+   passed  24/31  go--fontify-struct (0.001668 sec)
+   passed  25/31  go--fontify-type-decl (0.003505 sec)
+   passed  26/31  go--fontify-type-switch (0.003274 sec)
+   passed  27/31  go--fontify-var-decl (0.004476 sec)
+   passed  28/31  go--indent-line (0.427220 sec)
+   passed  29/31  go--indent-multiline-comment (0.001363 sec)
+   passed  30/31  go--indent-top-level (0.000470 sec)
+   passed  31/31  go-dot-mod--indent-line (0.001232 sec)
 
-Ran 31 tests, 31 results as expected, 0 unexpected (2026-04-18 12:30:18+0000, 0.225926 sec)
+Ran 31 tests, 31 results as expected, 0 unexpected (2025-03-16 06:08:42+0000, 0.565054 sec)
 
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -696,12 +732,14 @@
 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/1050279/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1050279/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/2236858 and its subdirectories
-I: Current time: Sat Apr 18 00:30:22 -12 2026
-I: pbuilder-time-stamp: 1776515422
+I: removing directory /srv/workspace/pbuilder/1050279 and its subdirectories
+I: Current time: Sun Mar 16 20:08:48 +14 2025
+I: pbuilder-time-stamp: 1742105328