Diff of the two buildlogs:

--
--- b1/build.log	2025-03-06 12:09:19.503306145 +0000
+++ b2/build.log	2025-03-06 12:14:28.137449850 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Apr  8 06:30:46 -12 2026
-I: pbuilder-time-stamp: 1775673046
+I: Current time: Fri Mar  7 02:09:22 +14 2025
+I: pbuilder-time-stamp: 1741262962
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -22,52 +22,84 @@
 dpkg-source: info: unpacking python-rtree_1.4.0-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1574942/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3106150/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos1-amd64.
+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  6 12:09 /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/3106150/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3106150/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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]="x86_64-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=amd64
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=20 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='af97eff51adc42f69ddab07a35af1fe2'
-  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='1574942'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=56e55507583a45eaadae7e28b3a8cb1f
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-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=3106150
   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.Px64eyc8/pbuilderrc_x5av --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.Px64eyc8/b1 --logfile b1/build.log python-rtree_1.4.0-1.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  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.Px64eyc8/pbuilderrc_BM92 --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.Px64eyc8/b2 --logfile b2/build.log python-rtree_1.4.0-1.dsc'
+  SUDO_GID=110
+  SUDO_UID=105
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos15-amd64 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1574942/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3106150/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -231,7 +263,7 @@
 Get: 102 http://deb.debian.org/debian unstable/main amd64 sphinx-common all 8.1.3-5 [617 kB]
 Get: 103 http://deb.debian.org/debian unstable/main amd64 python3-sphinx all 8.1.3-5 [468 kB]
 Get: 104 http://deb.debian.org/debian unstable/main amd64 python3-sphinx-issues all 5.0.0-1 [10.0 kB]
-Fetched 49.5 MB in 8s (6564 kB/s)
+Fetched 49.5 MB in 2s (23.1 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:amd64.
 (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 ... 19783 files and directories currently installed.)
@@ -572,8 +604,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Wed Apr  8 18:31:44 UTC 2026.
-Universal Time is now:  Wed Apr  8 18:31:44 UTC 2026.
+Local time is now:      Thu Mar  6 12:11:40 UTC 2025.
+Universal Time is now:  Thu Mar  6 12:11:40 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libspatialindex8:amd64 (2.1.0-1) ...
@@ -686,7 +718,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/python-rtree-1.4.0/ && 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  > ../python-rtree_1.4.0-1_source.changes
+I: user script /srv/workspace/pbuilder/3106150/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/3106150/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/python-rtree-1.4.0/ && 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  > ../python-rtree_1.4.0-1_source.changes
 dpkg-buildpackage: info: source package python-rtree
 dpkg-buildpackage: info: source version 1.4.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -718,11 +754,11 @@
 running build
 running build_py
 creating build/lib.linux-x86_64-cpython-313/rtree
+copying rtree/finder.py -> build/lib.linux-x86_64-cpython-313/rtree
 copying rtree/index.py -> build/lib.linux-x86_64-cpython-313/rtree
 copying rtree/core.py -> build/lib.linux-x86_64-cpython-313/rtree
-copying rtree/finder.py -> build/lib.linux-x86_64-cpython-313/rtree
-copying rtree/__init__.py -> build/lib.linux-x86_64-cpython-313/rtree
 copying rtree/exceptions.py -> build/lib.linux-x86_64-cpython-313/rtree
+copying rtree/__init__.py -> build/lib.linux-x86_64-cpython-313/rtree
 copying rtree/py.typed -> build/lib.linux-x86_64-cpython-313/rtree
 running build_ext
 installing to build/bdist.linux-x86_64/wheel
@@ -730,12 +766,12 @@
 running install_lib
 creating build/bdist.linux-x86_64/wheel
 creating build/bdist.linux-x86_64/wheel/rtree
+copying build/lib.linux-x86_64-cpython-313/rtree/finder.py -> build/bdist.linux-x86_64/wheel/./rtree
 copying build/lib.linux-x86_64-cpython-313/rtree/index.py -> build/bdist.linux-x86_64/wheel/./rtree
 copying build/lib.linux-x86_64-cpython-313/rtree/core.py -> build/bdist.linux-x86_64/wheel/./rtree
-copying build/lib.linux-x86_64-cpython-313/rtree/py.typed -> build/bdist.linux-x86_64/wheel/./rtree
-copying build/lib.linux-x86_64-cpython-313/rtree/finder.py -> build/bdist.linux-x86_64/wheel/./rtree
-copying build/lib.linux-x86_64-cpython-313/rtree/__init__.py -> build/bdist.linux-x86_64/wheel/./rtree
 copying build/lib.linux-x86_64-cpython-313/rtree/exceptions.py -> build/bdist.linux-x86_64/wheel/./rtree
+copying build/lib.linux-x86_64-cpython-313/rtree/__init__.py -> build/bdist.linux-x86_64/wheel/./rtree
+copying build/lib.linux-x86_64-cpython-313/rtree/py.typed -> build/bdist.linux-x86_64/wheel/./rtree
 running install_egg_info
 running egg_info
 creating rtree.egg-info
@@ -750,7 +786,7 @@
 Copying rtree.egg-info to build/bdist.linux-x86_64/wheel/./rtree-1.4.0.egg-info
 running install_scripts
 creating build/bdist.linux-x86_64/wheel/rtree-1.4.0.dist-info/WHEEL
-creating '/build/reproducible-path/python-rtree-1.4.0/.pybuild/cpython3_3.13_rtree/.tmp-psdyunhi/rtree-1.4.0-cp313-cp313-linux_x86_64.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
+creating '/build/reproducible-path/python-rtree-1.4.0/.pybuild/cpython3_3.13_rtree/.tmp-vuk0hn8i/rtree-1.4.0-cp313-cp313-linux_x86_64.whl' and adding 'build/bdist.linux-x86_64/wheel' to it
 adding 'rtree/__init__.py'
 adding 'rtree/core.py'
 adding 'rtree/exceptions.py'
@@ -775,7 +811,7 @@
 making output directory... done
 loading intersphinx inventory 'python' from https://docs.python.org/3/objects.inv ...
 WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'https://docs.python.org/3/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7f3fdef474d0>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
+intersphinx inventory 'https://docs.python.org/3/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by NameResolutionError("<urllib3.connection.HTTPSConnection object at 0x7feffea4b4d0>: Failed to resolve 'docs.python.org' ([Errno -3] Temporary failure in name resolution)"))
 building [mo]: targets for 0 po files that are out of date
 writing output... 
 building [html]: targets for 8 source files that are out of date
@@ -795,9 +831,9 @@
 preparing documents... done
 copying assets... 
 copying static files... 
-Writing evaluated template result to /build/reproducible-path/python-rtree-1.4.0/docs/build/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/python-rtree-1.4.0/docs/build/html/_static/language_data.js
 Writing evaluated template result to /build/reproducible-path/python-rtree-1.4.0/docs/build/html/_static/basic.css
+Writing evaluated template result to /build/reproducible-path/python-rtree-1.4.0/docs/build/html/_static/documentation_options.js
 Writing evaluated template result to /build/reproducible-path/python-rtree-1.4.0/docs/build/html/_static/nature.css
 copying static files: done
 copying extra files... 
@@ -838,7 +874,7 @@
 tests/test_index.py .......x............................                 [ 97%]
 tests/test_tpr.py .                                                      [100%]
 
-======================== 38 passed, 1 xfailed in 0.28s =========================
+======================== 38 passed, 1 xfailed in 1.51s =========================
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=pybuild
    dh_prep -O--buildsystem=pybuild
@@ -872,12 +908,14 @@
 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/3106150/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3106150/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/1574942 and its subdirectories
-I: Current time: Wed Apr  8 06:32:18 -12 2026
-I: pbuilder-time-stamp: 1775673138
+I: removing directory /srv/workspace/pbuilder/3106150 and its subdirectories
+I: Current time: Fri Mar  7 02:14:27 +14 2025
+I: pbuilder-time-stamp: 1741263267