Diff of the two buildlogs:

--
--- b1/build.log	2024-04-26 21:12:48.224997202 +0000
+++ b2/build.log	2024-04-26 21:13:52.394258658 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu May 29 15:33:54 -12 2025
-I: pbuilder-time-stamp: 1748576034
+I: Current time: Sat Apr 27 11:12:51 +14 2024
+I: pbuilder-time-stamp: 1714165971
 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 neotoma_1.7.4+dfsg-4.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3583476/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3871201/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 Apr 26 21:12 /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/3871201/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3871201/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]="21" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.21(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='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='5075713fa897470ebcd61328bcad6e72'
-  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='3583476'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=ceaa98af03a34b678f5d4321e621ee0e
+  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=3871201
   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.FR8AoB1U/pbuilderrc_yMbb --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.FR8AoB1U/b1 --logfile b1/build.log neotoma_1.7.4+dfsg-4.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.FR8AoB1U/pbuilderrc_3tX2 --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.FR8AoB1U/b2 --logfile b2/build.log neotoma_1.7.4+dfsg-4.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 codethink01-arm64 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-20-cloud-arm64 #1 SMP Debian 6.1.85-1 (2024-04-11) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 May 28 14:05 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3583476/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Apr 25 07:42 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3871201/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -407,7 +439,7 @@
 Get: 296 http://deb.debian.org/debian unstable/main arm64 erlang-snmp arm64 1:25.3.2.11+dfsg-1 [1830 kB]
 Get: 297 http://deb.debian.org/debian unstable/main arm64 rebar arm64 2.6.4-4 [204 kB]
 Get: 298 http://deb.debian.org/debian unstable/main arm64 dh-rebar all 0.0.6 [7820 B]
-Fetched 173 MB in 1s (172 MB/s)
+Fetched 173 MB in 1s (195 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libapparmor1:arm64.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
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(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
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(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19735 files and directories currently installed.)
@@ -1636,7 +1668,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/neotoma-1.7.4+dfsg/ && 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  > ../neotoma_1.7.4+dfsg-4_source.changes
+I: user script /srv/workspace/pbuilder/3871201/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/3871201/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/neotoma-1.7.4+dfsg/ && 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  > ../neotoma_1.7.4+dfsg-4_source.changes
 dpkg-buildpackage: info: source package neotoma
 dpkg-buildpackage: info: source version 1.7.4+dfsg-4
 dpkg-buildpackage: info: source distribution unstable
@@ -1786,10 +1822,10 @@
 Compiled test/neotoma_peg.erl
 Compiled test/test_memoization.erl
 Compiled test/test_parse.erl
-Compiled test/test_combinators.erl
-DEBUG: Worker exited cleanly
 Compiled test/test_suite.erl
 DEBUG: Worker exited cleanly
+Compiled test/test_combinators.erl
+DEBUG: Worker exited cleanly
 Compiled src/neotoma_parse.erl
 DEBUG: Worker exited cleanly
 ======================== EUnit ========================
@@ -1800,47 +1836,8 @@
   test_memoization: release_memo_test...ok
   test_memoization: step_memo_test...ok
   test_memoization: concurrent_memo_test...ok
-  [done in 0.016 s]
-test_parse: parser_test (module 'test_parse')...[0.049 s] ok
-module 'test_combinators'
-  test_combinators:9: -eof_test_/0-fun-3-...ok
-  test_combinators:10: -eof_test_/0-fun-1-...ok
-  test_combinators:15: -optional_test_/0-fun-3-...ok
-  test_combinators:16: -optional_test_/0-fun-1-...ok
-  test_combinators:21: -not_test_/0-fun-3-...ok
-  test_combinators:22: -not_test_/0-fun-1-...ok
-  test_combinators:27: -assert_test_/0-fun-3-...ok
-  test_combinators:28: -assert_test_/0-fun-1-...ok
-  test_combinators:33: -seq_test_/0-fun-3-...ok
-  test_combinators:34: -seq_test_/0-fun-1-...ok
-  test_combinators:39: -choose_test_/0-fun-7-...ok
-  test_combinators:40: -choose_test_/0-fun-5-...ok
-  test_combinators:41: -choose_test_/0-fun-3-...ok
-  test_combinators:42: -choose_test_/0-fun-1-...ok
-  test_combinators:47: -zero_or_more_test_/0-fun-7-...ok
-  test_combinators:48: -zero_or_more_test_/0-fun-5-...ok
-  test_combinators:49: -zero_or_more_test_/0-fun-3-...ok
-  test_combinators:50: -zero_or_more_test_/0-fun-1-...ok
-  test_combinators:55: -one_or_more_test_/0-fun-5-...ok
-  test_combinators:59: -one_or_more_test_/0-fun-3-...ok
-  test_combinators:60: -one_or_more_test_/0-fun-1-...ok
-  test_combinators:65: -label_test_/0-fun-3-...ok
-  test_combinators:66: -label_test_/0-fun-1-...ok
-  test_combinators:71: -string_test_/0-fun-3-...ok
-  test_combinators:72: -string_test_/0-fun-1-...ok
-  test_combinators:77: -anything_test_/0-fun-5-...ok
-  test_combinators:78: -anything_test_/0-fun-3-...ok
-  test_combinators:79: -anything_test_/0-fun-1-...ok
-  test_combinators:84: -charclass_test_/0-fun-3-...ok
-  test_combinators:85: -charclass_test_/0-fun-1-...ok
-  test_combinators:91: -regexp_test_/0-fun-5-...ok
-  test_combinators:92: -regexp_test_/0-fun-3-...ok
-  test_combinators:93: -regexp_test_/0-fun-1-...ok
-  test_combinators: line_test...ok
-  test_combinators: column_test...ok
-  test_combinators:104: -utf8_string_test_/0-fun-3-...ok
-  test_combinators:105: -utf8_string_test_/0-fun-1-...ok
-  [done in 0.150 s]
+  [done in 0.012 s]
+test_parse: parser_test (module 'test_parse')...[0.052 s] ok
 module 'test_suite'
   module 'test_combinators'
     test_combinators:9: -eof_test_/0-fun-3-...ok
@@ -1880,15 +1877,54 @@
     test_combinators: column_test...ok
     test_combinators:104: -utf8_string_test_/0-fun-3-...ok
     test_combinators:105: -utf8_string_test_/0-fun-1-...ok
-    [done in 0.150 s]
+    [done in 0.111 s]
   module 'test_memoization'
     test_memoization: setup_memo_test...ok
     test_memoization: release_memo_test...ok
     test_memoization: step_memo_test...ok
     test_memoization: concurrent_memo_test...ok
-    [done in 0.017 s]
-  test_parse: parser_test (module 'test_parse')...[0.035 s] ok
-  [done in 0.216 s]
+    [done in 0.012 s]
+  test_parse: parser_test (module 'test_parse')...[0.048 s] ok
+  [done in 0.188 s]
+module 'test_combinators'
+  test_combinators:9: -eof_test_/0-fun-3-...ok
+  test_combinators:10: -eof_test_/0-fun-1-...ok
+  test_combinators:15: -optional_test_/0-fun-3-...ok
+  test_combinators:16: -optional_test_/0-fun-1-...ok
+  test_combinators:21: -not_test_/0-fun-3-...ok
+  test_combinators:22: -not_test_/0-fun-1-...ok
+  test_combinators:27: -assert_test_/0-fun-3-...ok
+  test_combinators:28: -assert_test_/0-fun-1-...ok
+  test_combinators:33: -seq_test_/0-fun-3-...ok
+  test_combinators:34: -seq_test_/0-fun-1-...ok
+  test_combinators:39: -choose_test_/0-fun-7-...ok
+  test_combinators:40: -choose_test_/0-fun-5-...ok
+  test_combinators:41: -choose_test_/0-fun-3-...ok
+  test_combinators:42: -choose_test_/0-fun-1-...ok
+  test_combinators:47: -zero_or_more_test_/0-fun-7-...ok
+  test_combinators:48: -zero_or_more_test_/0-fun-5-...ok
+  test_combinators:49: -zero_or_more_test_/0-fun-3-...ok
+  test_combinators:50: -zero_or_more_test_/0-fun-1-...ok
+  test_combinators:55: -one_or_more_test_/0-fun-5-...ok
+  test_combinators:59: -one_or_more_test_/0-fun-3-...ok
+  test_combinators:60: -one_or_more_test_/0-fun-1-...ok
+  test_combinators:65: -label_test_/0-fun-3-...ok
+  test_combinators:66: -label_test_/0-fun-1-...ok
+  test_combinators:71: -string_test_/0-fun-3-...ok
+  test_combinators:72: -string_test_/0-fun-1-...ok
+  test_combinators:77: -anything_test_/0-fun-5-...ok
+  test_combinators:78: -anything_test_/0-fun-3-...ok
+  test_combinators:79: -anything_test_/0-fun-1-...ok
+  test_combinators:84: -charclass_test_/0-fun-3-...ok
+  test_combinators:85: -charclass_test_/0-fun-1-...ok
+  test_combinators:91: -regexp_test_/0-fun-5-...ok
+  test_combinators:92: -regexp_test_/0-fun-3-...ok
+  test_combinators:93: -regexp_test_/0-fun-1-...ok
+  test_combinators: line_test...ok
+  test_combinators: column_test...ok
+  test_combinators:104: -utf8_string_test_/0-fun-3-...ok
+  test_combinators:105: -utf8_string_test_/0-fun-1-...ok
+  [done in 0.111 s]
 module 'neotoma_parse'
 =======================================================
   All 84 tests passed.
@@ -1903,7 +1939,7 @@
                            {shell_docs_ansi,auto}]
 DEBUG: No processes to kill
 DEBUG: Postdirs: []
-	rm -fr -- /tmp/dh-xdg-rundir-idjepc_w
+	rm -fr -- /tmp/dh-xdg-rundir-kypqzIlR
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=rebar
    dh_prep -O--buildsystem=rebar
@@ -2022,12 +2058,14 @@
 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/3871201/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3871201/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/3583476 and its subdirectories
-I: Current time: Thu May 29 15:35:46 -12 2025
-I: pbuilder-time-stamp: 1748576146
+I: removing directory /srv/workspace/pbuilder/3871201 and its subdirectories
+I: Current time: Sat Apr 27 11:13:51 +14 2024
+I: pbuilder-time-stamp: 1714166031