Diff of the two buildlogs:

--
--- b1/build.log	2025-03-03 13:52:44.761501028 +0000
+++ b2/build.log	2025-03-03 14:03:40.487811048 +0000
@@ -1,7 +1,6 @@
-W: cgroups are not available on the host, not using them.
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr  5 08:13:40 -12 2026
-I: pbuilder-time-stamp: 1775420020
+I: Current time: Tue Mar  4 03:52:48 +14 2025
+I: pbuilder-time-stamp: 1741009968
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,51 +24,84 @@
 dpkg-source: info: applying privacy-breaches.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2792218/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1638008/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 Mar  3 13:53 /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/1638008/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1638008/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=' 	
   '
-  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='2792218'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=12b4c5ae8b924b668777e966f2d9ad16
+  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=1638008
   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.P73KqO1w/pbuilderrc_mrLQ --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.P73KqO1w/b1 --logfile b1/build.log adapterremoval_2.3.4-1.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/sbin/chroot'
-  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.P73KqO1w/pbuilderrc_99bq --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.P73KqO1w/b2 --logfile b2/build.log adapterremoval_2.3.4-1.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 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2792218/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1638008/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -149,7 +181,7 @@
 Get: 34 http://deb.debian.org/debian trixie/main arm64 libbz2-dev arm64 1.0.8-6 [31.9 kB]
 Get: 35 http://deb.debian.org/debian trixie/main arm64 libgtest-dev arm64 1.16.0-1 [246 kB]
 Get: 36 http://deb.debian.org/debian trixie/main arm64 zlib1g-dev arm64 1:1.3.dfsg+really1.3.1-1+b1 [917 kB]
-Fetched 21.9 MB in 0s (154 MB/s)
+Fetched 21.9 MB in 1s (42.6 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sensible-utils.
 (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 ... 19916 files and directories currently installed.)
@@ -308,7 +340,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/adapterremoval-2.3.4/ && 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  > ../adapterremoval_2.3.4-1_source.changes
+I: user script /srv/workspace/pbuilder/1638008/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1638008/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/adapterremoval-2.3.4/ && 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  > ../adapterremoval_2.3.4-1_source.changes
 dpkg-buildpackage: info: source package adapterremoval
 dpkg-buildpackage: info: source version 2.3.4-1
 dpkg-buildpackage: info: source distribution unstable
@@ -322,9 +358,9 @@
 make[1]: Entering directory '/build/reproducible-path/adapterremoval-2.3.4'
 Building AdapterRemoval with coverage instrumentation: no
 Building AdapterRemoval with debug information: no
-Cleaning tests ...
-Cleaning documentation ...
-Cleaning ...
+\033[0;32mCleaning tests ...\033[0m
+\033[0;32mCleaning documentation ...\033[0m
+\033[0;32mCleaning ...\033[0m
 make[2]: Entering directory '/build/reproducible-path/adapterremoval-2.3.4/examples'
 rm -f output_*
 make[2]: Leaving directory '/build/reproducible-path/adapterremoval-2.3.4/examples'
@@ -342,33 +378,33 @@
 make[2]: Entering directory '/build/reproducible-path/adapterremoval-2.3.4'
 Building AdapterRemoval with coverage instrumentation: no
 Building AdapterRemoval with debug information: no
-Building build/main/adapterset.o from src/adapterset.cpp
-Building build/main/alignment.o from src/alignment.cpp
-Building build/main/alignment_tables.o from src/alignment_tables.cpp
-Building build/main/argparse.o from src/argparse.cpp
-Building build/main/barcode_table.o from src/barcode_table.cpp
-Building build/main/debug.o from src/debug.cpp
-Building build/main/demultiplex.o from src/demultiplex.cpp
+\033[0;36mBuilding build/main/adapterset.o from src/adapterset.cpp\033[0m
+\033[0;36mBuilding build/main/alignment.o from src/alignment.cpp\033[0m
+\033[0;36mBuilding build/main/alignment_tables.o from src/alignment_tables.cpp\033[0m
+\033[0;36mBuilding build/main/argparse.o from src/argparse.cpp\033[0m
+\033[0;36mBuilding build/main/barcode_table.o from src/barcode_table.cpp\033[0m
+\033[0;36mBuilding build/main/debug.o from src/debug.cpp\033[0m
+\033[0;36mBuilding build/main/demultiplex.o from src/demultiplex.cpp\033[0m
+\033[0;36mBuilding build/main/fastq.o from src/fastq.cpp\033[0m
+\033[0;36mBuilding build/main/fastq_enc.o from src/fastq_enc.cpp\033[0m
+\033[0;36mBuilding build/main/fastq_io.o from src/fastq_io.cpp\033[0m
+\033[0;36mBuilding build/main/linereader.o from src/linereader.cpp\033[0m
+\033[0;36mBuilding build/main/linereader_joined.o from src/linereader_joined.cpp\033[0m
 src/alignment.cpp:66:2: warning: #warning SEE optimizations disabled! [-Wcpp]
    66 | #warning SEE optimizations disabled!
       |  ^~~~~~~
-Building build/main/fastq.o from src/fastq.cpp
-Building build/main/fastq_enc.o from src/fastq_enc.cpp
-Building build/main/fastq_io.o from src/fastq_io.cpp
-Building build/main/linereader.o from src/linereader.cpp
-Building build/main/linereader_joined.o from src/linereader_joined.cpp
-Building build/main/main_adapter_id.o from src/main_adapter_id.cpp
-Building build/main/main_adapter_rm.o from src/main_adapter_rm.cpp
-Building build/main/main_demultiplex.o from src/main_demultiplex.cpp
-Building build/main/managed_writer.o from src/managed_writer.cpp
-Building build/main/scheduler.o from src/scheduler.cpp
-Building build/main/strutils.o from src/strutils.cpp
-Building build/main/threads.o from src/threads.cpp
-Building build/main/timer.o from src/timer.cpp
-Building build/main/trimmed_reads.o from src/trimmed_reads.cpp
-Building build/main/userconfig.o from src/userconfig.cpp
-Building build/main/main.o from src/main.cpp
-Linking executable build/AdapterRemoval
+\033[0;36mBuilding build/main/main_adapter_id.o from src/main_adapter_id.cpp\033[0m
+\033[0;36mBuilding build/main/main_adapter_rm.o from src/main_adapter_rm.cpp\033[0m
+\033[0;36mBuilding build/main/main_demultiplex.o from src/main_demultiplex.cpp\033[0m
+\033[0;36mBuilding build/main/managed_writer.o from src/managed_writer.cpp\033[0m
+\033[0;36mBuilding build/main/scheduler.o from src/scheduler.cpp\033[0m
+\033[0;36mBuilding build/main/strutils.o from src/strutils.cpp\033[0m
+\033[0;36mBuilding build/main/threads.o from src/threads.cpp\033[0m
+\033[0;36mBuilding build/main/timer.o from src/timer.cpp\033[0m
+\033[0;36mBuilding build/main/trimmed_reads.o from src/trimmed_reads.cpp\033[0m
+\033[0;36mBuilding build/main/userconfig.o from src/userconfig.cpp\033[0m
+\033[0;36mBuilding build/main/main.o from src/main.cpp\033[0m
+\033[0;32mLinking executable build/AdapterRemoval\033[0m
 make[2]: Leaving directory '/build/reproducible-path/adapterremoval-2.3.4'
 markdown README.md > README.html
 make[1]: Leaving directory '/build/reproducible-path/adapterremoval-2.3.4'
@@ -379,26 +415,26 @@
 make[2]: Entering directory '/build/reproducible-path/adapterremoval-2.3.4'
 Building AdapterRemoval with coverage instrumentation: no
 Building AdapterRemoval with debug information: no
-Building build/tests/main_test.o from tests/unit/main_test.cpp
-Building build/tests/debug.o from src/debug.cpp
-Building build/tests/alignment.o from src/alignment.cpp
+\033[0;36mBuilding build/tests/main_test.o from tests/unit/main_test.cpp\033[0m
+\033[0;36mBuilding build/tests/debug.o from src/debug.cpp\033[0m
+\033[0;36mBuilding build/tests/alignment.o from src/alignment.cpp\033[0m
 src/alignment.cpp:66:2: warning: #warning SEE optimizations disabled! [-Wcpp]
    66 | #warning SEE optimizations disabled!
       |  ^~~~~~~
-Building build/tests/alignment_tables.o from src/alignment_tables.cpp
-Building build/tests/alignment_test.o from tests/unit/alignment_test.cpp
-Building build/tests/argparse.o from src/argparse.cpp
-Building build/tests/argparse_test.o from tests/unit/argparse_test.cpp
-Building build/tests/barcodes_test.o from tests/unit/barcodes_test.cpp
-Building build/tests/barcode_table.o from src/barcode_table.cpp
-Building build/tests/fastq.o from src/fastq.cpp
-Building build/tests/fastq_test.o from tests/unit/fastq_test.cpp
-Building build/tests/fastq_enc.o from src/fastq_enc.cpp
-Building build/tests/fastq_enc_test.o from tests/unit/fastq_enc_test.cpp
-Building build/tests/strutils.o from src/strutils.cpp
-Building build/tests/strutils_test.o from tests/unit/strutils_test.cpp
-Linking executable build/tests/main
-Running unit tests
+\033[0;36mBuilding build/tests/alignment_tables.o from src/alignment_tables.cpp\033[0m
+\033[0;36mBuilding build/tests/alignment_test.o from tests/unit/alignment_test.cpp\033[0m
+\033[0;36mBuilding build/tests/argparse.o from src/argparse.cpp\033[0m
+\033[0;36mBuilding build/tests/argparse_test.o from tests/unit/argparse_test.cpp\033[0m
+\033[0;36mBuilding build/tests/barcodes_test.o from tests/unit/barcodes_test.cpp\033[0m
+\033[0;36mBuilding build/tests/barcode_table.o from src/barcode_table.cpp\033[0m
+\033[0;36mBuilding build/tests/fastq.o from src/fastq.cpp\033[0m
+\033[0;36mBuilding build/tests/fastq_test.o from tests/unit/fastq_test.cpp\033[0m
+\033[0;36mBuilding build/tests/fastq_enc.o from src/fastq_enc.cpp\033[0m
+\033[0;36mBuilding build/tests/fastq_enc_test.o from tests/unit/fastq_enc_test.cpp\033[0m
+\033[0;36mBuilding build/tests/strutils.o from src/strutils.cpp\033[0m
+\033[0;36mBuilding build/tests/strutils_test.o from tests/unit/strutils_test.cpp\033[0m
+\033[0;32mLinking executable build/tests/main\033[0m
+\033[0;32mRunning unit tests\033[0m
 ===============================================================================
 All tests passed (827 assertions in 268 test cases)
 
@@ -407,7 +443,7 @@
 make[2]: Entering directory '/build/reproducible-path/adapterremoval-2.3.4'
 Building AdapterRemoval with coverage instrumentation: no
 Building AdapterRemoval with debug information: no
-Cleaning tests ...
+\033[0;32mCleaning tests ...\033[0m
 removed 'build/tests/main'
 removed 'build/tests/strutils_test.deps'
 removed 'build/tests/strutils_test.o'
@@ -483,8 +519,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'adapterremoval' in '../adapterremoval_2.3.4-1_arm64.deb'.
 dpkg-deb: building package 'adapterremoval-dbgsym' in '../adapterremoval-dbgsym_2.3.4-1_arm64.deb'.
+dpkg-deb: building package 'adapterremoval' in '../adapterremoval_2.3.4-1_arm64.deb'.
 dpkg-deb: building package 'adapterremoval-examples' in '../adapterremoval-examples_2.3.4-1_all.deb'.
  dpkg-genbuildinfo --build=binary -O../adapterremoval_2.3.4-1_arm64.buildinfo
  dpkg-genchanges --build=binary -O../adapterremoval_2.3.4-1_arm64.changes
@@ -493,12 +529,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/1638008/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1638008/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/2792218 and its subdirectories
-I: Current time: Sun Apr  5 08:15:43 -12 2026
-I: pbuilder-time-stamp: 1775420143
+I: removing directory /srv/workspace/pbuilder/1638008 and its subdirectories
+I: Current time: Tue Mar  4 04:03:38 +14 2025
+I: pbuilder-time-stamp: 1741010618