Diff of the two buildlogs:

--
--- b1/build.log	2024-12-04 19:36:14.096838697 +0000
+++ b2/build.log	2024-12-04 19:40:02.906466225 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Jan  6 13:57:11 -12 2026
-I: pbuilder-time-stamp: 1767751031
+I: Current time: Wed Jan  7 15:59:17 +14 2026
+I: pbuilder-time-stamp: 1767751157
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -36,52 +36,84 @@
 dpkg-source: info: applying 0003-Use-modern-mkdirp-for-fs-mkdirp-stream.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/881706/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/540939/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  7 01:59 /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/540939/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/540939/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]="32" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.32(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='c9bdd9dcc08341b19df8f7fd82777312'
-  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='881706'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=577a11e83a1a44cf85ac26c9083a3c33
+  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=540939
   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.rEbS3Bfe/pbuilderrc_V3qD --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.rEbS3Bfe/b1 --logfile b1/build.log node-mkdirp_2.1.6+~cs5.2.1-2.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.rEbS3Bfe/pbuilderrc_mGHO --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.rEbS3Bfe/b2 --logfile b2/build.log node-mkdirp_2.1.6+~cs5.2.1-2.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/881706/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/540939/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -586,7 +618,7 @@
 Get: 445 http://deb.debian.org/debian trixie/main arm64 node-typescript all 4.9.5+ds1-2 [7345 kB]
 Get: 446 http://deb.debian.org/debian trixie/main arm64 node-yn all 4.0.0-3 [4936 B]
 Get: 447 http://deb.debian.org/debian trixie/main arm64 ts-node all 10.9.2+~cs64.13.20-1 [173 kB]
-Fetched 59.7 MB in 0s (137 MB/s)
+Fetched 59.7 MB in 1s (60.1 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 ... 20086 files and directories currently installed.)
@@ -2403,7 +2435,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/node-mkdirp-2.1.6+~cs5.2.1/ && 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-mkdirp_2.1.6+~cs5.2.1-2_source.changes
+I: user script /srv/workspace/pbuilder/540939/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/540939/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/node-mkdirp-2.1.6+~cs5.2.1/ && 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-mkdirp_2.1.6+~cs5.2.1-2_source.changes
 dpkg-buildpackage: info: source package node-mkdirp
 dpkg-buildpackage: info: source version 2.1.6+~cs5.2.1-2
 dpkg-buildpackage: info: source distribution unstable
@@ -2480,7 +2516,7 @@
     undefined bubbles mkdir errors
 
 
-  14 passing (434ms)
+  14 passing (695ms)
 
 	cd ./mkdirp-then && sh -ex ../debian/nodejs/mkdirp-then/test
 + mocha
@@ -2492,67 +2528,68 @@
     undefined should use "mode"
 
 
-  3 passing (113ms)
+  3 passing (78ms)
 
 	/bin/sh -ex debian/tests/pkg-js/test
-+ TAP_SNAPSHOT=1 tap --no-cov --no-timeout -R tap test
++ TAP_SNAPSHOT=1
++ tap --no-cov --no-timeout -R tap test
 TAP version 13
 # Subtest: test/cmd.ts
     # Subtest: -h --help prints usage
         ok 1 - same for -h and --help
         ok 2 - --help output
         1..2
-    ok 1 - -h --help prints usage # time=5641.401ms
+    ok 1 - -h --help prints usage # time=6033.547ms
     
     # Subtest: no dirs -> stderr usage
         ok 1 - expect resolving Promise
         1..1
-    ok 2 - no dirs -> stderr usage # time=4237.196ms
+    ok 2 - no dirs -> stderr usage # time=4869.422ms
     
     # Subtest: -v --version prints version
         ok 1 - same for -v and --version
         ok 2 - --version output
         1..2
-    ok 3 - -v --version prints version # time=3946.335ms
+    ok 3 - -v --version prints version # time=5036.274ms
     
     # Subtest: making dirs
         ok 1 - expect resolving Promise
         1..1
-    ok 4 - making dirs # time=4915.24ms
+    ok 4 - making dirs # time=5267.845ms
     
     # Subtest: noisily
         ok 1 - expect resolving Promise
         1..1
-    ok 5 - noisily # time=4491.779ms
+    ok 5 - noisily # time=4615.561ms
     
     # Subtest: manual
         ok 1 - expect resolving Promise
         1..1
-    ok 6 - manual # time=4490.261ms
+    ok 6 - manual # time=4140.695ms
     
     # Subtest: print modes
         ok 1 - expect resolving Promise
         1..1
-    ok 7 - print modes # time=3894.876ms
+    ok 7 - print modes # time=6667.914ms
     
     # Subtest: invalid mode
         ok 1 - expect resolving Promise
         1..1
-    ok 8 - invalid mode # time=4283.787ms
+    ok 8 - invalid mode # time=5543.239ms
     
     # Subtest: make dir named --help
         ok 1 - expect resolving Promise
         1..1
-    ok 9 - make dir named --help # time=3950.44ms
+    ok 9 - make dir named --help # time=4946.709ms
     
     # Subtest: failures
         ok 1 - expect resolving Promise
         1..1
-    ok 10 - failures # time=4432.733ms
+    ok 10 - failures # time=6445.232ms
     
     1..10
-    # time=44311.106ms
-ok 1 - test/cmd.ts # time=44311.106ms
+    # time=53597.323ms
+ok 1 - test/cmd.ts # time=53597.323ms
 
 # Subtest: test/find-made.ts
     # Subtest: find what dir will be made
@@ -2564,11 +2601,11 @@
         ok 6 - should be equal
         ok 7 - should be equivalent strictly
         1..7
-    ok 1 - find what dir will be made # time=76.413ms
+    ok 1 - find what dir will be made # time=162.379ms
     
     1..1
-    # time=174.736ms
-ok 2 - test/find-made.ts # time=174.736ms
+    # time=344.591ms
+ok 2 - test/find-made.ts # time=344.591ms
 
 # Subtest: test/index.ts
     # Subtest: module shape
@@ -2579,7 +2616,7 @@
         ok 5 - type is Function
         ok 6 - type is Function
         1..6
-    ok 1 - module shape # time=16.583ms
+    ok 1 - module shape # time=28.402ms
     
     # Subtest: basic making of dirs should work
         ok 1 - should be equal
@@ -2601,11 +2638,11 @@
         ok 17 - expect truthy value
         ok 18 - should be equivalent strictly
         1..18
-    ok 2 - basic making of dirs should work # time=77.576ms
+    ok 2 - basic making of dirs should work # time=255.384ms
     
     1..2
-    # time=162.772ms
-ok 3 - test/index.ts # time=162.772ms
+    # time=424.686ms
+ok 3 - test/index.ts # time=424.686ms
 
 # Subtest: test/mkdirp-manual.ts
     # Subtest: mkdirpManual / just calls implementation
@@ -2615,7 +2652,7 @@
             ok 3 - should be equal
             ok 4 - should be equal
             1..4
-        ok 1 - success is fine, of course # time=66.859ms
+        ok 1 - success is fine, of course # time=76.463ms
         
         # Subtest: EISDIR is expected and ignored
             ok 1 - should be equal
@@ -2623,22 +2660,22 @@
             ok 3 - should be equal
             ok 4 - should be equal
             1..4
-        ok 2 - EISDIR is expected and ignored # time=12.648ms
+        ok 2 - EISDIR is expected and ignored # time=16.657ms
         
         # Subtest: other failures are failures
             ok 1 - expected to throw
             ok 2 - expect rejected Promise
             1..2
-        ok 3 - other failures are failures # time=17.072ms
+        ok 3 - other failures are failures # time=15.521ms
         
         1..3
-    ok 1 - mkdirpManual / just calls implementation # time=117.801ms
+    ok 1 - mkdirpManual / just calls implementation # time=133.471ms
     
     # Subtest: read-only file system, still succeed if dir exists
         ok 1 - should be equal
         ok 2 - should be equal
         1..2
-    ok 2 - read-only file system, still succeed if dir exists # time=24.283ms
+    ok 2 - read-only file system, still succeed if dir exists # time=29.106ms
     
     # Subtest: recurse and return first dir made
         ok 1 - should be equal
@@ -2647,29 +2684,29 @@
         ok 4 - should be equal
         ok 5 - should be equal
         1..5
-    ok 3 - recurse and return first dir made # time=44.509ms
+    ok 3 - recurse and return first dir made # time=80.402ms
     
     # Subtest: unknown failure types are failures
         ok 1 - expected to throw
         ok 2 - expect rejected Promise
         1..2
-    ok 4 - unknown failure types are failures # time=2.711ms
+    ok 4 - unknown failure types are failures # time=2.724ms
     
     # Subtest: cannot make dir over a file
         ok 1 - expected to throw
         ok 2 - expect rejected Promise
         1..2
-    ok 5 - cannot make dir over a file # time=17.247ms
+    ok 5 - cannot make dir over a file # time=20.124ms
     
     # Subtest: try to overwrite a file, then fail to stat it
         ok 1 - expected to throw
         ok 2 - expect rejected Promise
         1..2
-    ok 6 - try to overwrite a file, then fail to stat it # time=6.13ms
+    ok 6 - try to overwrite a file, then fail to stat it # time=16.142ms
     
     1..6
-    # time=434.814ms
-ok 4 - test/mkdirp-manual.ts # time=434.814ms
+    # time=556.383ms
+ok 4 - test/mkdirp-manual.ts # time=556.383ms
 
 # Subtest: test/mkdirp-native.ts
     # Subtest: mkdirpNative / just calls implementation
@@ -2678,29 +2715,29 @@
         ok 3 - should be equal
         ok 4 - should be equal
         1..4
-    ok 1 - mkdirpNative / just calls implementation # time=37.853ms
+    ok 1 - mkdirpNative / just calls implementation # time=20.724ms
     
     # Subtest: mkdirpNative calls impl and returns findMade
         ok 1 - should be equal
         ok 2 - should be equal
         1..2
-    ok 2 - mkdirpNative calls impl and returns findMade # time=50.65ms
+    ok 2 - mkdirpNative calls impl and returns findMade # time=37.342ms
     
     # Subtest: ENOENT error falls back to manual
         ok 1 - should be equal
         ok 2 - should be equal
         1..2
-    ok 3 - ENOENT error falls back to manual # time=38.109ms
+    ok 3 - ENOENT error falls back to manual # time=41.694ms
     
     # Subtest: other errors are raised to caller
         ok 1 - expected to throw
         ok 2 - expect rejected Promise
         1..2
-    ok 4 - other errors are raised to caller # time=13.816ms
+    ok 4 - other errors are raised to caller # time=29.766ms
     
     1..4
-    # time=191.717ms
-ok 5 - test/mkdirp-native.ts # time=191.717ms
+    # time=219.186ms
+ok 5 - test/mkdirp-native.ts # time=219.186ms
 
 # Subtest: test/opts-arg.ts
     ok 1 - null
@@ -2714,8 +2751,8 @@
     ok 9 - custom fs with stat/statSync
     ok 10 - expected to throw: TypeError invalid options argument
     1..10
-    # time=33.922ms
-ok 6 - test/opts-arg.ts # time=33.922ms
+    # time=48.313ms
+ok 6 - test/opts-arg.ts # time=48.313ms
 
 # Subtest: test/path-arg.ts
     # Subtest: node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/path-arg.ts
@@ -2729,14 +2766,14 @@
         ok 8 - expected to throw: Error Illegal characters in path
         ok 9 - expected to throw: Error Illegal characters in path
         1..9
-        # time=68.56ms
-    ok 1 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/path-arg.ts # time=68.56ms
+        # time=30.752ms
+    ok 1 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/path-arg.ts # time=30.752ms
     
     ok 2 - should be equal
     ok 3 - expected to throw: Error path must be a string without null bytes
     1..3
-    # time=5136.359ms
-ok 7 - test/path-arg.ts # time=5136.359ms
+    # time=5728.153ms
+ok 7 - test/path-arg.ts # time=5728.153ms
 
 # Subtest: test/use-native.ts
     # Subtest: node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts
@@ -2745,8 +2782,8 @@
         ok 3 - should be equal
         ok 4 - should be equal
         1..4
-        # time=16.393ms
-    ok 1 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts # time=16.393ms
+        # time=8.558ms
+    ok 1 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts # time=8.558ms
     
     # Subtest: node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts
         ok 1 - should be equal
@@ -2754,19 +2791,19 @@
         ok 3 - should be equal
         ok 4 - should be equal
         1..4
-        # time=9.181ms
-    ok 2 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts # time=9.181ms
+        # time=7.966ms
+    ok 2 - node --experimental-modules -r /usr/share/nodejs/ts-node/register/index.js --no-warnings ./test/use-native.ts # time=7.966ms
     
     ok 3 - should be equal
     ok 4 - should be equal
     ok 5 - should be equal
     ok 6 - should be equal
     1..6
-    # time=9478.148ms
-ok 8 - test/use-native.ts # time=9478.148ms
+    # time=9821.001ms
+ok 8 - test/use-native.ts # time=9821.001ms
 
 1..8
-# time=50989.704ms
+# time=61974.392ms
 Removing node_modules/mkdirp
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -2918,12 +2955,14 @@
 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/540939/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/540939/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/881706 and its subdirectories
-I: Current time: Tue Jan  6 13:59:13 -12 2026
-I: pbuilder-time-stamp: 1767751153
+I: removing directory /srv/workspace/pbuilder/540939 and its subdirectories
+I: Current time: Wed Jan  7 16:03:01 +14 2026
+I: pbuilder-time-stamp: 1767751381