Diff of the two buildlogs:

--
--- b1/build.log	2025-02-25 08:29:19.570222976 +0000
+++ b2/build.log	2025-02-25 08:37:35.515911731 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 30 02:49:03 -12 2026
-I: pbuilder-time-stamp: 1774882143
+I: Current time: Tue Feb 25 22:29:22 +14 2025
+I: pbuilder-time-stamp: 1740472163
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 dpkg-source: info: applying 0005-Workaround-for-doc-build-issue.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/794633/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/4042615/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 Feb 25 08:29 /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/4042615/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/4042615/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=' 	
   '
-  INVOCATION_ID='81fc9e81ccf044d1a8495d01a66435ec'
-  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='794633'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=33b3a85962304c94a1dd605229e566d6
+  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=4042615
   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.WX58GBjA/pbuilderrc_cBEn --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.WX58GBjA/b1 --logfile b1/build.log pystac_1.12.2-1.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.WX58GBjA/pbuilderrc_GpEF --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.WX58GBjA/b2 --logfile b2/build.log pystac_1.12.2-1.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/794633/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/4042615/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -468,7 +500,7 @@
 Get: 305 http://deb.debian.org/debian trixie/main arm64 python3-websockets arm64 14.1-1 [89.4 kB]
 Get: 306 http://deb.debian.org/debian trixie/main arm64 python3-sphinx-autobuild all 2024.10.03-1 [12.9 kB]
 Get: 307 http://deb.debian.org/debian trixie/main arm64 python3-sphinx-design all 0.6.1-1 [883 kB]
-Fetched 156 MB in 1s (201 MB/s)
+Fetched 156 MB in 2s (66.0 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:arm64.
 (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.)
@@ -1452,8 +1484,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Mar 30 14:49:41 UTC 2026.
-Universal Time is now:  Mon Mar 30 14:49:41 UTC 2026.
+Local time is now:      Tue Feb 25 08:31:14 UTC 2025.
+Universal Time is now:  Tue Feb 25 08:31:14 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up mariadb-common (1:11.4.5-1) ...
@@ -1739,7 +1771,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/pystac-1.12.2/ && 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  > ../pystac_1.12.2-1_source.changes
+I: user script /srv/workspace/pbuilder/4042615/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/4042615/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pystac-1.12.2/ && 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  > ../pystac_1.12.2-1_source.changes
 dpkg-buildpackage: info: source package pystac
 dpkg-buildpackage: info: source version 1.12.2-1
 dpkg-buildpackage: info: source distribution unstable
@@ -1951,7 +1987,7 @@
 Copying pystac.egg-info to build/bdist.linux-aarch64/wheel/./pystac-1.12.2.egg-info
 running install_scripts
 creating build/bdist.linux-aarch64/wheel/pystac-1.12.2.dist-info/WHEEL
-creating '/build/reproducible-path/pystac-1.12.2/.pybuild/cpython3_3.12_pystac/.tmp-rd25h3m0/pystac-1.12.2-py3-none-any.whl' and adding 'build/bdist.linux-aarch64/wheel' to it
+creating '/build/reproducible-path/pystac-1.12.2/.pybuild/cpython3_3.12_pystac/.tmp-9zcfr46_/pystac-1.12.2-py3-none-any.whl' and adding 'build/bdist.linux-aarch64/wheel' to it
 adding 'pystac/__init__.py'
 adding 'pystac/asset.py'
 adding 'pystac/cache.py'
@@ -2143,7 +2179,7 @@
 Copying pystac.egg-info to build/bdist.linux-aarch64/wheel/./pystac-1.12.2.egg-info
 running install_scripts
 creating build/bdist.linux-aarch64/wheel/pystac-1.12.2.dist-info/WHEEL
-creating '/build/reproducible-path/pystac-1.12.2/.pybuild/cpython3_3.13_pystac/.tmp-2wwak17s/pystac-1.12.2-py3-none-any.whl' and adding 'build/bdist.linux-aarch64/wheel' to it
+creating '/build/reproducible-path/pystac-1.12.2/.pybuild/cpython3_3.13_pystac/.tmp-l88v8owm/pystac-1.12.2-py3-none-any.whl' and adding 'build/bdist.linux-aarch64/wheel' to it
 adding 'pystac/__init__.py'
 adding 'pystac/asset.py'
 adding 'pystac/cache.py'
@@ -2237,14 +2273,14 @@
 Converting `source_suffix = '.rst'` to `source_suffix = {'.rst': 'restructuredtext'}`.
 [autosummary] generating autosummary for: api.rst, api/asset.rst, api/cache.rst, api/catalog.rst, api/collection.rst, api/common_metadata.rst, api/errors.rst, api/extensions.rst, api/extensions/base.rst, api/extensions/classification.rst, ..., index.rst, installation.rst, quickstart.ipynb, tutorials.rst, tutorials/adding-new-and-custom-extensions.ipynb, tutorials/creating-a-landsat-stac.ipynb, tutorials/how-to-create-stac-catalogs.ipynb, tutorials/how-to-read-data-from-stac.ipynb, tutorials/pystac-introduction.ipynb, tutorials/pystac-spacenet-tutorial.ipynb
 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.ProxyError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffabaca7b0>: Failed to establish a new connection: [Errno 111] Connection refused')))
 loading intersphinx inventory 'dateutil' from https://dateutil.readthedocs.io/en/stable/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.ProxyError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffb119a7b0>: Failed to establish a new connection: [Errno 111] Connection refused')))
+intersphinx inventory 'https://dateutil.readthedocs.io/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPSConnectionPool(host='dateutil.readthedocs.io', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffab9adf90>: Failed to establish a new connection: [Errno 111] Connection refused')))
 loading intersphinx inventory 'urllib3' from https://urllib3.readthedocs.io/en/stable/objects.inv ...
 WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'https://urllib3.readthedocs.io/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPSConnectionPool(host='urllib3.readthedocs.io', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffb1086710>: Failed to establish a new connection: [Errno 111] Connection refused')))
-WARNING: failed to reach any of the inventories with the following issues:
-intersphinx inventory 'https://dateutil.readthedocs.io/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPSConnectionPool(host='dateutil.readthedocs.io', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffb1086d50>: Failed to establish a new connection: [Errno 111] Connection refused')))
+intersphinx inventory 'https://urllib3.readthedocs.io/en/stable/objects.inv' not fetchable due to <class 'requests.exceptions.ProxyError'>: HTTPSConnectionPool(host='urllib3.readthedocs.io', port=443): Max retries exceeded with url: /en/stable/objects.inv (Caused by ProxyError('Unable to connect to proxy', NewConnectionError('<urllib3.connection.HTTPSConnection object at 0xffffab9aec10>: Failed to establish a new connection: [Errno 111] Connection refused')))
 Writing evaluated template result to /build/reproducible-path/pystac-1.12.2/.pybuild/docs/html/_static/nbsphinx-code-cells.css
 building [mo]: targets for 0 po files that are out of date
 writing output... 
@@ -2526,7 +2562,7 @@
 ../../../tests/test_version.py ..                                        [ 99%]
 ../../../tests/validation/test_schema_uri_map.py .                       [100%]
 
-=============== 1082 passed, 6 skipped, 358 deselected in 6.67s ================
+=============== 1082 passed, 6 skipped, 358 deselected in 12.06s ===============
 I: pybuild base:311: cd /build/reproducible-path/pystac-1.12.2/.pybuild/cpython3_3.13_pystac/build; python3.13 -m pytest -k "not test_read_remote and not test_validate and not test_null_geometry and not test_non_hierarchical_relative_link and not test_apply_bitfields and not test_set_variables and not test_set_dimensions and not test_asset_bands and not test_bands and not test_cloud_cover and not test_set_field and not test_attributes and not test_modify and not test_collection_validate and not test_item_validate and not test_all and not test_required and not test_assets and not test_migrate_from_v2_0_0 and not test_migrate_from_v1_0_0 and not test_add_version and not test_version_in_properties and not test_add_not_deprecated_version and not test_add_deprecated_version and not test_latest and not test_predecessor and not test_successor and not test_collection_add_version and not test_catalog_add_version and not test_catalog_validate_all and not test_optional_version and not PointcloudTest and not SatTest and not ItemScientificExtensionTest and not CollectionScientificExtensionTest and not AssetStorageExtensionTest and not TimestampsTest and not ViewTest and not ProjectionTest and not test_get_schema_uri and not test_testcases and not test_apply_classes" /build/reproducible-path/pystac-1.12.2/tests
 ============================= test session starts ==============================
 platform linux -- Python 3.13.2, pytest-8.3.4, pluggy-1.5.0
@@ -2588,7 +2624,7 @@
 ../../../tests/test_version.py ..                                        [ 99%]
 ../../../tests/validation/test_schema_uri_map.py .                       [100%]
 
-=============== 1082 passed, 6 skipped, 358 deselected in 6.02s ================
+=============== 1082 passed, 6 skipped, 358 deselected in 11.02s ===============
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=pybuild
    dh_prep -O--buildsystem=pybuild
@@ -2598,8 +2634,8 @@
    dh_installdocs -O--buildsystem=pybuild
 dh_installdocs: warning: Cannot auto-detect main package for python-pystac-doc.  If the default is wrong, please use --doc-main-package
    dh_sphinxdoc -O--buildsystem=pybuild
-dh_sphinxdoc: warning: ignoring unknown JavaScript code: debian/python-pystac-doc/usr/share/doc/python-pystac-doc/html/_static/design-tabs.js
 dh_sphinxdoc: warning: ignoring unknown JavaScript code: debian/python-pystac-doc/usr/share/doc/python-pystac-doc/html/_static/scripts/fontawesome.js
+dh_sphinxdoc: warning: ignoring unknown JavaScript code: debian/python-pystac-doc/usr/share/doc/python-pystac-doc/html/_static/design-tabs.js
    dh_installchangelogs -O--buildsystem=pybuild
    dh_python3 -O--buildsystem=pybuild
    dh_installsystemduser -O--buildsystem=pybuild
@@ -2624,12 +2660,14 @@
 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/4042615/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/4042615/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/794633 and its subdirectories
-I: Current time: Mon Mar 30 02:52:18 -12 2026
-I: pbuilder-time-stamp: 1774882338
+I: removing directory /srv/workspace/pbuilder/4042615 and its subdirectories
+I: Current time: Tue Feb 25 22:37:34 +14 2025
+I: pbuilder-time-stamp: 1740472654