Diff of the two buildlogs:

--
--- b1/build.log	2024-04-28 20:26:19.647331604 +0000
+++ b2/build.log	2024-04-28 20:27:24.560562580 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr 28 08:25:23 -12 2024
-I: pbuilder-time-stamp: 1714335923
+I: Current time: Sun Jun  1 16:49:22 +14 2025
+I: pbuilder-time-stamp: 1748746162
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 dpkg-source: info: applying fix-for-recent-mocha.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3790967/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2160253/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink01-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 Jun  1 02:49 /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/2160253/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2160253/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='d4e016e408514b99912f0de408333012'
-  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='3790967'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=87cadd9d4c1c4aba815bf901a17a0b53
+  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=2160253
   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.hwEY5a3d/pbuilderrc_Mx6U --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.hwEY5a3d/b1 --logfile b1/build.log node-es-module-lexer_1.1.0+dfsg-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.hwEY5a3d/pbuilderrc_eGHc --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.hwEY5a3d/b2 --logfile b2/build.log node-es-module-lexer_1.1.0+dfsg-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 codethink02-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 Apr 27 07:42 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3790967/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 30 14:05 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2160253/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -477,7 +509,7 @@
 Get: 348 http://deb.debian.org/debian unstable/main arm64 node-typescript all 4.8.4+ds1-2 [7337 kB]
 Get: 349 http://deb.debian.org/debian unstable/main arm64 terser all 5.19.2-1 [17.5 kB]
 Get: 350 http://deb.debian.org/debian unstable/main arm64 wasi-libc all 0.0~git20230113.4362b18-3 [870 kB]
-Fetched 100 MB in 1s (122 MB/s)
+Fetched 100 MB in 1s (176 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%
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(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 ... 19735 files and directories currently installed.)
@@ -1905,7 +1937,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/node-es-module-lexer-1.1.0+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  > ../node-es-module-lexer_1.1.0+dfsg-3_source.changes
+I: user script /srv/workspace/pbuilder/2160253/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/2160253/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/node-es-module-lexer-1.1.0+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  > ../node-es-module-lexer_1.1.0+dfsg-3_source.changes
 dpkg-buildpackage: info: source package node-es-module-lexer
 dpkg-buildpackage: info: source version 1.1.0+dfsg-3
 dpkg-buildpackage: info: source distribution unstable
@@ -1958,7 +1994,8 @@
    dh_auto_test --buildsystem=nodejs
 	ln -s ../. node_modules/es-module-lexer
 	/bin/sh -ex debian/tests/pkg-js/test
-+ WASM=1 mocha test/_unit.cjs test/integration.cjs
++ WASM=1
++ mocha test/_unit.cjs test/integration.cjs
 
 
   Invalid syntax
@@ -2059,7 +2096,7 @@
     undefined test/samples/rollup.min.js
 
 
-  89 passing (97ms)
+  89 passing (104ms)
 
 Removing node_modules/es-module-lexer
    create-stamp debian/debhelper-build-stamp
@@ -2105,12 +2142,14 @@
 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/2160253/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2160253/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/3790967 and its subdirectories
-I: Current time: Sun Apr 28 08:26:18 -12 2024
-I: pbuilder-time-stamp: 1714335978
+I: removing directory /srv/workspace/pbuilder/2160253 and its subdirectories
+I: Current time: Sun Jun  1 16:50:23 +14 2025
+I: pbuilder-time-stamp: 1748746223