Diff of the two buildlogs:

--
--- b1/build.log	2024-12-25 12:34:57.263074040 +0000
+++ b2/build.log	2024-12-25 13:02:19.116310143 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Dec 25 00:31:06 -12 2024
-I: pbuilder-time-stamp: 1735129866
+I: Current time: Wed Jan 28 08:58:50 +14 2026
+I: pbuilder-time-stamp: 1769540330
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -33,54 +33,86 @@
 dpkg-source: info: applying ld_as_needed
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/20103/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/90693/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos6-i386.
+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 27 19:02 /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/90693/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/90693/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='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=11 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='i386'
+  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]="i686-pc-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=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=21 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='2f3e6e0f57d44f60a8967ef6b1f471f8'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  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='20103'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=627db0dedf924b809f58d6ccd3eed96c
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-pc-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=90693
   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.W279HGSC/pbuilderrc_A3iL --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.W279HGSC/b1 --logfile b1/build.log reapr_1.0.18+dfsg-7.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  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.W279HGSC/pbuilderrc_zHPv --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.W279HGSC/b2 --logfile b2/build.log reapr_1.0.18+dfsg-7.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos2-i386 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/20103/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/90693/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -336,7 +368,7 @@
 Get: 194 http://deb.debian.org/debian trixie/main i386 smalt i386 0.7.6-13 [127 kB]
 Get: 195 http://deb.debian.org/debian trixie/main i386 snpomatic i386 1.0-7 [87.9 kB]
 Get: 196 http://deb.debian.org/debian trixie/main i386 tabix i386 1.20+ds-2 [536 kB]
-Fetched 116 MB in 3s (41.1 MB/s)
+Fetched 116 MB in 14s (8225 kB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package tzdata.
 (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 ... 19953 files and directories currently installed.)
@@ -981,8 +1013,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Wed Dec 25 12:31:45 UTC 2024.
-Universal Time is now:  Wed Dec 25 12:31:45 UTC 2024.
+Local time is now:      Tue Jan 27 19:07:11 UTC 2026.
+Universal Time is now:  Tue Jan 27 19:07:11 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up zip (3.0-14) ...
@@ -1164,7 +1196,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/reapr-1.0.18+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  > ../reapr_1.0.18+dfsg-7_source.changes
+I: user script /srv/workspace/pbuilder/90693/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/90693/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/reapr-1.0.18+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  > ../reapr_1.0.18+dfsg-7_source.changes
 dpkg-buildpackage: info: source package reapr
 dpkg-buildpackage: info: source version 1.0.18+dfsg-7
 dpkg-buildpackage: info: source distribution unstable
@@ -1272,7 +1308,7 @@
 make[1]: Entering directory '/build/reproducible-path/reapr-1.0.18+dfsg'
 mkdir /build/reproducible-path/reapr-1.0.18+dfsg/debian/test
 ln -s /build/reproducible-path/reapr-1.0.18+dfsg/src/reapr.pl /build/reproducible-path/reapr-1.0.18+dfsg/debian/test/reapr
-PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/build/reproducible-path/reapr-1.0.18+dfsg/src:/build/reproducible-path/reapr-1.0.18+dfsg/debian/test /build/reproducible-path/reapr-1.0.18+dfsg/debian/tests/test-example
+PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path:/build/reproducible-path/reapr-1.0.18+dfsg/src:/build/reproducible-path/reapr-1.0.18+dfsg/debian/test /build/reproducible-path/reapr-1.0.18+dfsg/debian/tests/test-example
 [wgsim] seed = 42
 [wgsim_core] calculating the total length of the reference sequence...
 [wgsim_core] 1 sequences, total length: 1000111
@@ -2253,8 +2289,8 @@
 foo	994610	C	Y	+
 foo	998107	-	T	+
 foo	999725	G	R	+
-[REAPR smaltmap] Running: smalt index -k 13 -s 2 out.bam.tmp.34069.smaltmap.smalt_index foo1.fasta
-# Command line:  smalt index -k 13 -s 2 out.bam.tmp.34069.smaltmap.smalt_index foo1.fasta
+[REAPR smaltmap] Running: smalt index -k 13 -s 2 out.bam.tmp.115750.smaltmap.smalt_index foo1.fasta
+# Command line:  smalt index -k 13 -s 2 out.bam.tmp.115750.smaltmap.smalt_index foo1.fasta
 # Reading sequences ...
 # Writing sequence set ...
 # Setting up hash index with collisions ...
@@ -2278,8 +2314,8 @@
 # =-=-= End of Hash Index Stats =-=-=
 # Writing table to file ... 
 # smalt: Total elapsed wall clock time: 1 seconds
-[REAPR smaltmap] Running: smalt sample -u 1000 -o out.bam.tmp.34069.smaltmap.smalt_sample out.bam.tmp.34069.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
-# Command line:  smalt sample -u 1000 -o out.bam.tmp.34069.smaltmap.smalt_sample out.bam.tmp.34069.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
+[REAPR smaltmap] Running: smalt sample -u 1000 -o out.bam.tmp.115750.smaltmap.smalt_sample out.bam.tmp.115750.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
+# Command line:  smalt sample -u 1000 -o out.bam.tmp.115750.smaltmap.smalt_sample out.bam.tmp.115750.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
 # Opening read files ...
 # Reading reference sequences ...
 # Reading hash table ...
@@ -2298,10 +2334,10 @@
 # Sampling insert size distribution ...
 # Processed 9999 read pairs.
 # smalt: Time spent setting up hash index:0 seconds
-# smalt: Time spent mapping reads:2 seconds
-# smalt: Total elapsed wall clock time: 2 seconds
-[REAPR smaltmap] Running: smalt map -r 0 -x -y 0.5   -g out.bam.tmp.34069.smaltmap.smalt_sample -f samsoft out.bam.tmp.34069.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq | awk '$1!~/^#/'   | samtools view -S -T foo1.fasta -b - > out.bam.tmp.34069.smaltmap.raw.bam
-# Command line:  smalt map -r 0 -x -y 0.5 -g out.bam.tmp.34069.smaltmap.smalt_sample -f samsoft out.bam.tmp.34069.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
+# smalt: Time spent mapping reads:8 seconds
+# smalt: Total elapsed wall clock time: 8 seconds
+[REAPR smaltmap] Running: smalt map -r 0 -x -y 0.5   -g out.bam.tmp.115750.smaltmap.smalt_sample -f samsoft out.bam.tmp.115750.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq | awk '$1!~/^#/'   | samtools view -S -T foo1.fasta -b - > out.bam.tmp.115750.smaltmap.raw.bam
+# Command line:  smalt map -r 0 -x -y 0.5 -g out.bam.tmp.115750.smaltmap.smalt_sample -f samsoft out.bam.tmp.115750.smaltmap.smalt_index foofq.1.fastq foofq.2.fastq
 # Reading distribution of insert sizes from file ...
 # Sampled histogram
 # Smoothed histogram
@@ -2320,18 +2356,18 @@
 # =-=-= End of Hash Index Stats =-=-=
 # Processing query reads ...
 # Processed 10000 read pairs.
-# smalt: Time spent setting up hash index:0 seconds
-# smalt: Time spent mapping reads:23 seconds
-# smalt: Total elapsed wall clock time: 23 seconds
-[REAPR smaltmap] Running: samtools sort out.bam.tmp.34069.smaltmap.raw.bam -O bam -o out.bam.tmp.34069.smaltmap.raw.bam.sort.bam
-[REAPR smaltmap] Running: samtools rmdup out.bam.tmp.34069.smaltmap.raw.bam.sort.bam out.bam.tmp.34069.smaltmap.rmdup.bam
+# smalt: Time spent setting up hash index:1 seconds
+# smalt: Time spent mapping reads:32 seconds
+# smalt: Total elapsed wall clock time: 33 seconds
+[REAPR smaltmap] Running: samtools sort out.bam.tmp.115750.smaltmap.raw.bam -O bam -o out.bam.tmp.115750.smaltmap.raw.bam.sort.bam
+[REAPR smaltmap] Running: samtools rmdup out.bam.tmp.115750.smaltmap.raw.bam.sort.bam out.bam.tmp.115750.smaltmap.rmdup.bam
 [bam_rmdup_core] processing reference foo...
 [bam_rmdup_core] 1 / 10000 = 0.0001 in library '	'
-[REAPR smaltmap] Running: echo "@HD VN:1.0 SO:coordinate" | awk '{OFS="\t"; $1=$1; print}' > out.bam.tmp.34069.smaltmap.header
-[REAPR smaltmap] Running: samtools view -H out.bam.tmp.34069.smaltmap.rmdup.bam >> out.bam.tmp.34069.smaltmap.header
-[REAPR smaltmap] Running: samtools reheader out.bam.tmp.34069.smaltmap.header out.bam.tmp.34069.smaltmap.rmdup.bam > out.bam
+[REAPR smaltmap] Running: echo "@HD VN:1.0 SO:coordinate" | awk '{OFS="\t"; $1=$1; print}' > out.bam.tmp.115750.smaltmap.header
+[REAPR smaltmap] Running: samtools view -H out.bam.tmp.115750.smaltmap.rmdup.bam >> out.bam.tmp.115750.smaltmap.header
+[REAPR smaltmap] Running: samtools reheader out.bam.tmp.115750.smaltmap.header out.bam.tmp.115750.smaltmap.rmdup.bam > out.bam
 [REAPR smaltmap] Running: samtools index out.bam
-[REAPR smaltmap] Running: rm out.bam.tmp.34069.smaltmap.*
+[REAPR smaltmap] Running: rm out.bam.tmp.115750.smaltmap.*
 Running reapr version 1.0.18 pipeline:
 reapr foo1.fasta out.bam result
 [REAPR pipeline] Running facheck
@@ -2390,8 +2426,8 @@
 dpkg-gencontrol: warning: package reapr: substitution variable ${perl:Depends} unused, but is defined
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'reapr-dbgsym' in '../reapr-dbgsym_1.0.18+dfsg-7_i386.deb'.
 dpkg-deb: building package 'reapr' in '../reapr_1.0.18+dfsg-7_i386.deb'.
+dpkg-deb: building package 'reapr-dbgsym' in '../reapr-dbgsym_1.0.18+dfsg-7_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../reapr_1.0.18+dfsg-7_i386.buildinfo
  dpkg-genchanges --build=binary -O../reapr_1.0.18+dfsg-7_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -2399,12 +2435,14 @@
 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/90693/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/90693/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/20103 and its subdirectories
-I: Current time: Wed Dec 25 00:34:56 -12 2024
-I: pbuilder-time-stamp: 1735130096
+I: removing directory /srv/workspace/pbuilder/90693 and its subdirectories
+I: Current time: Wed Jan 28 09:25:00 +14 2026
+I: pbuilder-time-stamp: 1769541900