Diff of the two buildlogs:

--
--- b1/build.log	2024-10-21 12:29:51.746328774 +0000
+++ b2/build.log	2024-10-21 12:44:59.726014268 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Oct 21 00:19:19 -12 2024
-I: pbuilder-time-stamp: 1729513159
+I: Current time: Tue Oct 22 02:30:02 +14 2024
+I: pbuilder-time-stamp: 1729513802
 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 newer-deps
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/6406/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/19490/tmp/hooks/D01_modify_environment starting
+debug: Running on virt32z.
+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 Oct 21 12:30 /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/19490/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/19490/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='1ac897cbc4824216b9265e41018b2c51'
-  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='6406'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=a3d2ce00fd0e43efaab923481c8402a6
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=19490
   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.CTWJW2eA/pbuilderrc_kb7n --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.CTWJW2eA/b1 --logfile b1/build.log haskell-edit-distance_0.2.2.1-14.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.CTWJW2eA/pbuilderrc_LD5f --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.CTWJW2eA/b2 --logfile b2/build.log haskell-edit-distance_0.2.2.1-14.dsc'
+  SUDO_GID=110
+  SUDO_UID=103
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt64b 6.1.0-26-arm64 #1 SMP Debian 6.1.112-1 (2024-09-30) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-26-armmp-lpae #1 SMP Debian 6.1.112-1 (2024-09-30) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Aug  4 21:30 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/6406/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/19490/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -267,7 +299,7 @@
 Get: 132 http://deb.debian.org/debian unstable/main armhf libghc-xml-dev armhf 1.3.14-13 [224 kB]
 Get: 133 http://deb.debian.org/debian unstable/main armhf libghc-test-framework-dev armhf 0.8.2.0-10 [233 kB]
 Get: 134 http://deb.debian.org/debian unstable/main armhf libghc-test-framework-quickcheck2-dev armhf 0.3.0.5-7 [30.6 kB]
-Fetched 303 MB in 7s (41.0 MB/s)
+Fetched 303 MB in 9s (34.4 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libedit2:armhf.
 (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 ... 19665 files and directories currently installed.)
@@ -715,8 +747,8 @@
 Setting up tzdata (2024b-3) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Oct 21 12:21:41 UTC 2024.
-Universal Time is now:  Mon Oct 21 12:21:41 UTC 2024.
+Local time is now:      Mon Oct 21 12:34:54 UTC 2024.
+Universal Time is now:  Mon Oct 21 12:34:54 UTC 2024.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -835,7 +867,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/haskell-edit-distance-0.2.2.1/ && 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  > ../haskell-edit-distance_0.2.2.1-14_source.changes
+I: user script /srv/workspace/pbuilder/19490/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/19490/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/haskell-edit-distance-0.2.2.1/ && 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  > ../haskell-edit-distance_0.2.2.1-14_source.changes
 dpkg-buildpackage: info: source package haskell-edit-distance
 dpkg-buildpackage: info: source version 0.2.2.1-14
 dpkg-buildpackage: info: source distribution unstable
@@ -876,7 +912,7 @@
 [2 of 2] Linking debian/hlibrary.setup
 perl -d:Confess -MDebian::Debhelper::Buildsystem::Haskell::Recipes=/.*/ \
 	-E 'configure_recipe'
-Running find . ! -newer /tmp/5jovObybwk -exec touch -d 1998-01-01 UTC {} ;
+Running find . ! -newer /tmp/bBMJvmHYCm -exec touch -d 1998-01-01 UTC {} ;
 Running dh_listpackages
 libghc-edit-distance-dev
 libghc-edit-distance-prof
@@ -1111,7 +1147,7 @@
   Pure deletion has the right cost: [OK, passed 1000 tests]
   Pure insertion has the right cost: [OK, passed 1000 tests]
   Single operations have the right cost: [OK, passed 1000 tests]
-  Cost bound is respected: [Arguments exhausted after 210 tests]
+  Cost bound is respected: [Arguments exhausted after 196 tests]
 Levenshtein Distance (STUArray):
   Self distance is zero: [OK, passed 1000 tests]
   Pure deletion has the right cost: [OK, passed 1000 tests]
@@ -1123,7 +1159,7 @@
   Pure deletion has the right cost: [OK, passed 1000 tests]
   Pure insertion has the right cost: [OK, passed 1000 tests]
   Single operations have the right cost: [OK, passed 1000 tests]
-  Cost bound is respected: [Arguments exhausted after 184 tests]
+  Cost bound is respected: [Arguments exhausted after 191 tests]
 Levenshtein Distance (Bits):
   Self distance is zero: [OK, passed 1000 tests]
   Pure deletion has the right cost: [OK, passed 1000 tests]
@@ -1135,7 +1171,7 @@
   Pure deletion has the right cost: [OK, passed 1000 tests]
   Pure insertion has the right cost: [OK, passed 1000 tests]
   Single operations have the right cost: [OK, passed 1000 tests]
-  Cost bound is respected: [Arguments exhausted after 178 tests]
+  Cost bound is respected: [Arguments exhausted after 188 tests]
 Levenshtein Distance Crosschecks:
   SquareSTUArray vs. STUArray: [OK, passed 1000 tests]
   SquareSTUArray vs. Bits: [OK, passed 1000 tests]
@@ -1177,7 +1213,7 @@
 creating dist-ghc/doc
 creating dist-ghc/doc/html
 creating dist-ghc/doc/html/edit-distance
-Running: /usr/bin/haddock '@dist-ghc/doc/html/edit-distance/haddock-response15305-1.txt' '--mathjax=file:///usr/share/javascript/mathjax/MathJax.js'
+Running: /usr/bin/haddock '@dist-ghc/doc/html/edit-distance/haddock-response28490-1.txt' '--mathjax=file:///usr/share/javascript/mathjax/MathJax.js'
   50% (  3 /  6) in 'Text.EditDistance'
   Missing documentation for:
     Costs (Text/EditDistance/EditCosts.hs:9)
@@ -1540,19 +1576,19 @@
 dh_installdeb -plibghc-edit-distance-dev 
 dh_perl -plibghc-edit-distance-dev 
 dh_shlibdeps -plibghc-edit-distance-dev -- --ignore-missing-info
-dpkg-shlibdeps: warning: debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so contains an unresolvable reference to symbol stg_ap_0_fast: it's probably a plugin
+dpkg-shlibdeps: warning: debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so contains an unresolvable reference to symbol stg_bh_upd_frame_info: it's probably a plugin
 dpkg-shlibdeps: warning: 19 other similar warnings have been skipped (use -v to see them all)
 dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSbytestring-0.11.5.3-ghc9.6.6.so (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSrandom-1.2.1.2-9nSipNyPzIK3OtGny4BWjI-ghc9.6.6.so (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libm.so.6 (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSmtl-2.3.1-ghc9.6.6.so (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libgmp.so.10 (it uses none of the library's symbols)
 dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSpretty-1.1.3.6-ghc9.6.6.so (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSghc-boot-th-9.6.6-ghc9.6.6.so (it uses none of the library's symbols)
 dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSsplitmix-0.1.0.5-1g4Y67JB8lK4ODDsw0vzN6-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libgmp.so.10 (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHStransformers-0.6.1.0-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSmtl-2.3.1-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHStemplate-haskell-2.20.0.0-ghc9.6.6.so (it uses none of the library's symbols)
 dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSdeepseq-1.4.8.1-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSrandom-1.2.1.2-9nSipNyPzIK3OtGny4BWjI-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHSghc-boot-th-9.6.6-ghc9.6.6.so (it uses none of the library's symbols)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libm.so.6 (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHStemplate-haskell-2.20.0.0-ghc9.6.6.so (it uses none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/libghc-edit-distance-dev/usr/lib/haskell-packages/ghc/lib/arm-linux-ghc-9.6.6/libHSedit-distance-0.2.2.1-KGzp3jr9B0kHb53JfBuMzf-ghc9.6.6.so was not linked against libHStransformers-0.6.1.0-ghc9.6.6.so (it uses none of the library's symbols)
 dh_installdeb -plibghc-edit-distance-prof 
 dh_perl -plibghc-edit-distance-prof 
 dh_shlibdeps -plibghc-edit-distance-prof -- --ignore-missing-info
@@ -1585,12 +1621,14 @@
 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/19490/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/19490/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/6406 and its subdirectories
-I: Current time: Mon Oct 21 00:29:47 -12 2024
-I: pbuilder-time-stamp: 1729513787
+I: removing directory /srv/workspace/pbuilder/19490 and its subdirectories
+I: Current time: Tue Oct 22 02:44:55 +14 2024
+I: pbuilder-time-stamp: 1729514695