Diff of the two buildlogs:

--
--- b1/build.log	2024-12-18 05:16:09.409738449 +0000
+++ b2/build.log	2024-12-18 05:18:50.726393094 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Jan 19 23:35:09 -12 2026
-I: pbuilder-time-stamp: 1768908909
+I: Current time: Wed Jan 21 01:39:11 +14 2026
+I: pbuilder-time-stamp: 1768909151
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -46,52 +46,84 @@
 dpkg-source: info: applying typescript-5.0-compatibility.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1623775/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/714190/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 Jan 20 11:39 /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/714190/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/714190/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='a32703348b524945b8c4f2910c2c1133'
-  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='1623775'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=746594a5e07d4bbfa0ca065e90cf62dc
+  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=714190
   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.RpogIQWU/pbuilderrc_Fgbt --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.RpogIQWU/b1 --logfile b1/build.log ts-node_10.9.2+~cs64.13.20-2.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.RpogIQWU/pbuilderrc_4tIA --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.RpogIQWU/b2 --logfile b2/build.log ts-node_10.9.2+~cs64.13.20-2.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 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-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  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1623775/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/714190/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -634,7 +666,7 @@
 Get: 447 http://deb.debian.org/debian trixie/main arm64 node-typescript all 4.9.5+ds1-2 [7345 kB]
 Get: 448 http://deb.debian.org/debian trixie/main arm64 node-yn all 4.0.0-3 [4936 B]
 Get: 449 http://deb.debian.org/debian trixie/main arm64 terser all 5.31.3-1 [18.8 kB]
-Fetched 56.0 MB in 1s (52.4 MB/s)
+Fetched 56.0 MB in 1s (68.9 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 ... 20076 files and directories currently installed.)
@@ -2458,7 +2490,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ts-node-10.9.2+~cs64.13.20/ && 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  > ../ts-node_10.9.2+~cs64.13.20-2_source.changes
+I: user script /srv/workspace/pbuilder/714190/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/714190/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ts-node-10.9.2+~cs64.13.20/ && 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  > ../ts-node_10.9.2+~cs64.13.20-2_source.changes
 dpkg-buildpackage: info: source package ts-node
 dpkg-buildpackage: info: source version 10.9.2+~cs64.13.20-2
 dpkg-buildpackage: info: source distribution unstable
@@ -2545,16 +2581,16 @@
 make[1]: Entering directory '/build/reproducible-path/ts-node-10.9.2+~cs64.13.20'
 dh_auto_build --buildsystem=nodejs
 No build command found, searching known files
-Found debian/nodejs/cspotcode-source-map-support/build
-	cd ./cspotcode-source-map-support && sh -ex ../debian/nodejs/cspotcode-source-map-support/build
-+ node build.js
-browserify .temp.js
-terser .temp.js
 No build command found, searching known files
 No build command found, searching known files
 No build command found, searching known files
 No build command found, searching known files
 No build command found, searching known files
+Found debian/nodejs/cspotcode-source-map-support/build
+	cd ./cspotcode-source-map-support && sh -ex ../debian/nodejs/cspotcode-source-map-support/build
++ node build.js
+browserify .temp.js
+terser .temp.js
 tsc -b ./tsconfig.build-dist.json
 chmod +x dist/bin*.js
 ./debian/tests/test_modules/typescript-json-schema/bin/typescript-json-schema \
@@ -2778,27 +2814,27 @@
  + node-tsconfig-node16 (= 16.1.2)
  + node-tsconfig-node18 (= 18.2.3)
  + node-v8-compile-cache-lib (= 3.0.1)
-Add node-react (= 18.2.0+dfsg+~cs88.72.123-1) in ${nodejs:BuiltUsing}
-Add node-arg (= 5.0.2-2) in ${nodejs:BuiltUsing}
-Add node-make-error (= 1.3.7-3) in ${nodejs:BuiltUsing}
-Add node-proxyquire (= 2.1.3+~1.0.1+~1.0.2-12) in ${nodejs:BuiltUsing}
-Add node-istanbul (= 0.4.5+repack10+~cs98.25.59-3) in ${nodejs:BuiltUsing}
-Add babel-minify (= 0.5.2+dfsg+~cs5.2.9-9) in ${nodejs:BuiltUsing}
-Add mocha (= 10.7.2+ds1+~cs33.1.11-2) in ${nodejs:BuiltUsing}
+Add node-axios (= 1.7.7+dfsg-1) in ${nodejs:BuiltUsing}
 Add node-get-stream (= 8.0.1-11) in ${nodejs:BuiltUsing}
-Add node-rimraf (= 3.0.2-2) in ${nodejs:BuiltUsing}
-Add node-semver (= 7.6.1+~7.5.8-2) in ${nodejs:BuiltUsing}
 Add node-acorn (= 8.8.1+ds+~cs25.17.7-2) in ${nodejs:BuiltUsing}
-Add node-browserify (= 17.0.0+ds-5) in ${nodejs:BuiltUsing}
+Add node-diff (= 5.0.0~dfsg+~5.0.1-4) in ${nodejs:BuiltUsing}
+Add node-yn (= 4.0.0-3) in ${nodejs:BuiltUsing}
+Add node-semver (= 7.6.1+~7.5.8-2) in ${nodejs:BuiltUsing}
 Add node-lodash (= 4.17.21+dfsg+~cs8.31.198.20210220-9) in ${nodejs:BuiltUsing}
-Add node-axios (= 1.7.7+dfsg-1) in ${nodejs:BuiltUsing}
-Add node-create-require (= 1.1.1-4) in ${nodejs:BuiltUsing}
+Add node-react (= 18.2.0+dfsg+~cs88.72.123-1) in ${nodejs:BuiltUsing}
 Add nodejs (= 20.18.1+dfsg-1) in ${nodejs:BuiltUsing}
-Add node-yn (= 4.0.0-3) in ${nodejs:BuiltUsing}
+Add mocha (= 10.7.2+ds1+~cs33.1.11-2) in ${nodejs:BuiltUsing}
 Add node-typescript (= 4.9.5+ds1-2) in ${nodejs:BuiltUsing}
-Add node-diff (= 5.0.0~dfsg+~5.0.1-4) in ${nodejs:BuiltUsing}
-Add node-ampproject-remapping (= 2.2.0+~cs5.15.37-1) in ${nodejs:BuiltUsing}
+Add node-make-error (= 1.3.7-3) in ${nodejs:BuiltUsing}
+Add node-create-require (= 1.1.1-4) in ${nodejs:BuiltUsing}
 Add node-source-map (= 0.7.0++dfsg2+really.0.6.1-15) in ${nodejs:BuiltUsing}
+Add node-rimraf (= 3.0.2-2) in ${nodejs:BuiltUsing}
+Add node-ampproject-remapping (= 2.2.0+~cs5.15.37-1) in ${nodejs:BuiltUsing}
+Add babel-minify (= 0.5.2+dfsg+~cs5.2.9-9) in ${nodejs:BuiltUsing}
+Add node-browserify (= 17.0.0+ds-5) in ${nodejs:BuiltUsing}
+Add node-arg (= 5.0.2-2) in ${nodejs:BuiltUsing}
+Add node-proxyquire (= 2.1.3+~1.0.1+~1.0.2-12) in ${nodejs:BuiltUsing}
+Add node-istanbul (= 0.4.5+repack10+~cs98.25.59-3) in ${nodejs:BuiltUsing}
 Set ${nodejs:Version} to 20.18.1+dfsg
 Linking /usr/bin/ts-node-script to /usr/share/nodejs/ts-node/dist/bin-script.js
 Linking /usr/bin/ts-node-transpile-only to /usr/share/nodejs/ts-node/dist/bin-transpile.js
@@ -2833,12 +2869,14 @@
 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/714190/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/714190/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/1623775 and its subdirectories
-I: Current time: Mon Jan 19 23:39:07 -12 2026
-I: pbuilder-time-stamp: 1768909147
+I: removing directory /srv/workspace/pbuilder/714190 and its subdirectories
+I: Current time: Wed Jan 21 01:41:48 +14 2026
+I: pbuilder-time-stamp: 1768909308