Diff of the two buildlogs:

--
--- b1/build.log	2024-12-22 09:26:11.911466373 +0000
+++ b2/build.log	2024-12-22 09:29:09.023439265 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Dec 21 21:21:48 -12 2024
-I: pbuilder-time-stamp: 1734859308
+I: Current time: Sun Dec 22 23:26:20 +14 2024
+I: pbuilder-time-stamp: 1734859580
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -26,52 +26,84 @@
 dpkg-source: info: unpacking dap-mode_0.8-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/15274/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/9523/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 22 09:26 /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/9523/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/9523/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='unstable'
-  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=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='f2bcdaf85849456089970da54401913d'
-  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='15274'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=01e1fdc638ec434cbb8abe0c8dc8d1ee
+  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=9523
   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.GCSBBHiG/pbuilderrc_64LZ --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.GCSBBHiG/b1 --logfile b1/build.log dap-mode_0.8-2.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.GCSBBHiG/pbuilderrc_aLBR --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.GCSBBHiG/b2 --logfile b2/build.log dap-mode_0.8-2.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 ff4a 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) 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/15274/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/9523/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -235,7 +267,7 @@
 Get: 108 http://deb.debian.org/debian unstable/main armhf elpa-pfuture all 1.9-3 [8640 B]
 Get: 109 http://deb.debian.org/debian unstable/main armhf elpa-treemacs all 3.1-2 [4343 kB]
 Get: 110 http://deb.debian.org/debian unstable/main armhf elpa-lsp-treemacs all 0.5-1 [16.5 kB]
-Fetched 88.5 MB in 6s (15.3 MB/s)
+Fetched 88.5 MB in 8s (11.5 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 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 ... 19681 files and directories currently installed.)
@@ -713,33 +745,33 @@
 update-alternatives: using /usr/bin/emacsclient.emacs to provide /usr/bin/emacsclient (emacsclient) in auto mode
 Install emacsen-common for emacs
 emacsen-common: Handling install of emacsen flavor emacs
-Install elpa-markdown-mode for emacs
-install/markdown-mode-2.6: Handling install of emacsen flavor emacs
-install/markdown-mode-2.6: byte-compiling for emacs
+Install elpa-pfuture for emacs
+install/pfuture-1.9: Handling install of emacsen flavor emacs
+install/pfuture-1.9: byte-compiling for emacs
+Install elpa-yaml for emacs
+install/yaml-0.5.5: Handling install of emacsen flavor emacs
+install/yaml-0.5.5: byte-compiling for emacs
+Install elpa-spinner for emacs
+install/spinner-1.7.4: Handling install of emacsen flavor emacs
+install/spinner-1.7.4: byte-compiling for emacs
 Install elpa-avy for emacs
 install/avy-0.5.0: Handling install of emacsen flavor emacs
 install/avy-0.5.0: byte-compiling for emacs
+Install elpa-posframe for emacs
+install/posframe-1.4.4: Handling install of emacsen flavor emacs
+install/posframe-1.4.4: byte-compiling for emacs
 Install elpa-lv for emacs
 install/lv-0.15.0: Handling install of emacsen flavor emacs
 install/lv-0.15.0: byte-compiling for emacs
-Install elpa-spinner for emacs
-install/spinner-1.7.4: Handling install of emacsen flavor emacs
-install/spinner-1.7.4: byte-compiling for emacs
 Install elpa-dash for emacs
 install/dash-2.19.1: Handling install of emacsen flavor emacs
 install/dash-2.19.1: byte-compiling for emacs
-Install elpa-pfuture for emacs
-install/pfuture-1.9: Handling install of emacsen flavor emacs
-install/pfuture-1.9: byte-compiling for emacs
-Install elpa-posframe for emacs
-install/posframe-1.4.4: Handling install of emacsen flavor emacs
-install/posframe-1.4.4: byte-compiling for emacs
-Install elpa-yaml for emacs
-install/yaml-0.5.5: Handling install of emacsen flavor emacs
-install/yaml-0.5.5: byte-compiling for emacs
 Install elpa-s for emacs
 install/s-1.13.0: Handling install of emacsen flavor emacs
 install/s-1.13.0: byte-compiling for emacs
+Install elpa-markdown-mode for emacs
+install/markdown-mode-2.6: Handling install of emacsen flavor emacs
+install/markdown-mode-2.6: byte-compiling for emacs
 Install elpa-ace-window for emacs
 install/ace-window-0.10.0: Handling install of emacsen flavor emacs
 install/ace-window-0.10.0: byte-compiling for emacs
@@ -786,7 +818,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/dap-mode-0.8/ && 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  > ../dap-mode_0.8-2_source.changes
+I: user script /srv/workspace/pbuilder/9523/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/9523/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/dap-mode-0.8/ && 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  > ../dap-mode_0.8-2_source.changes
 dpkg-buildpackage: info: source package dap-mode
 dpkg-buildpackage: info: source version 0.8-2
 dpkg-buildpackage: info: source distribution unstable
@@ -811,28 +847,28 @@
 make[1]: Leaving directory '/build/reproducible-path/dap-mode-0.8'
    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/dap-test.el --eval \(ert-run-tests-batch-and-exit\)
-Running 19 tests (2024-12-22 09:25:56+0000, selector `t')
-   passed   1/19  dap--parser-read--multiple-chunks (0.012215 sec)
-   passed   2/19  dap--parser-read--multiple-multibyte-chunks (0.000710 sec)
-   passed   3/19  dap--python-test-class-method (0.000321 sec)
-   passed   4/19  dap--python-test-free-function (0.000324 sec)
-   passed   5/19  dap-launch-test--comma-in-string (0.000231 sec)
-   passed   6/19  dap-launch-test--comment-in-string (0.000179 sec)
-   passed   7/19  dap-launch-test--comment-star (0.000206 sec)
-   passed   8/19  dap-launch-test--delete-commas (0.000267 sec)
-   passed   9/19  dap-launch-test--delete-commas-before-comments (0.000255 sec)
-   passed  10/19  dap-launch-test--delete-comments (0.000220 sec)
-   passed  11/19  dap-mode--parser-read--multiple-messages (0.000620 sec)
-   passed  12/19  dap-variables-test-conspair (0.000538 sec)
-   passed  13/19  dap-variables-test-function-untouched (0.000230 sec)
-   passed  14/19  dap-variables-test-lambda-stays-lambda (0.000301 sec)
-   passed  15/19  dap-variables-test-lambda-untouched (0.000241 sec)
-   passed  16/19  dap-variables-test-quoted-var (0.000323 sec)
-   passed  17/19  dap-variables-test-single-el-list (0.000481 sec)
-   passed  18/19  dap-variables-test-vec-yields-vec (0.000599 sec)
-   passed  19/19  dap-variables-unknown-variable (0.000472 sec)
+Running 19 tests (2024-12-22 09:28:57+0000, selector `t')
+   passed   1/19  dap--parser-read--multiple-chunks (0.008874 sec)
+   passed   2/19  dap--parser-read--multiple-multibyte-chunks (0.000478 sec)
+   passed   3/19  dap--python-test-class-method (0.000240 sec)
+   passed   4/19  dap--python-test-free-function (0.000237 sec)
+   passed   5/19  dap-launch-test--comma-in-string (0.000164 sec)
+   passed   6/19  dap-launch-test--comment-in-string (0.000115 sec)
+   passed   7/19  dap-launch-test--comment-star (0.000162 sec)
+   passed   8/19  dap-launch-test--delete-commas (0.000196 sec)
+   passed   9/19  dap-launch-test--delete-commas-before-comments (0.000187 sec)
+   passed  10/19  dap-launch-test--delete-comments (0.000196 sec)
+   passed  11/19  dap-mode--parser-read--multiple-messages (0.000411 sec)
+   passed  12/19  dap-variables-test-conspair (0.000414 sec)
+   passed  13/19  dap-variables-test-function-untouched (0.000153 sec)
+   passed  14/19  dap-variables-test-lambda-stays-lambda (0.000212 sec)
+   passed  15/19  dap-variables-test-lambda-untouched (0.000171 sec)
+   passed  16/19  dap-variables-test-quoted-var (0.000227 sec)
+   passed  17/19  dap-variables-test-single-el-list (0.000328 sec)
+   passed  18/19  dap-variables-test-vec-yields-vec (0.000421 sec)
+   passed  19/19  dap-variables-unknown-variable (0.000327 sec)
 
-Ran 19 tests, 19 results as expected, 0 unexpected (2024-12-22 09:25:56+0000, 0.022812 sec)
+Ran 19 tests, 19 results as expected, 0 unexpected (2024-12-22 09:28:57+0000, 0.015927 sec)
 
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -862,12 +898,14 @@
 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/9523/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/9523/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/15274 and its subdirectories
-I: Current time: Sat Dec 21 21:26:08 -12 2024
-I: pbuilder-time-stamp: 1734859568
+I: removing directory /srv/workspace/pbuilder/9523 and its subdirectories
+I: Current time: Sun Dec 22 23:29:05 +14 2024
+I: pbuilder-time-stamp: 1734859745