Diff of the two buildlogs:

--
--- b1/build.log	2024-12-26 16:05:05.410984651 +0000
+++ b2/build.log	2024-12-26 16:08:27.877771979 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Dec 26 04:01:33 -12 2024
-I: pbuilder-time-stamp: 1735228893
+I: Current time: Thu Jan 29 12:28:10 +14 2026
+I: pbuilder-time-stamp: 1769639290
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,54 +27,86 @@
 dpkg-source: info: unpacking rpds-py_0.21.0-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/62814/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/120490/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 28 22:28 /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/120490/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/120490/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='24efa13a08444082971a2ac2a048f946'
-  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='62814'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=1ecfabd318cf4dc0be3c5db055be580a
+  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=120490
   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.hcGLCcJC/pbuilderrc_Pia0 --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.hcGLCcJC/b1 --logfile b1/build.log rpds-py_0.21.0-2.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.hcGLCcJC/pbuilderrc_IzX1 --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.hcGLCcJC/b2 --logfile b2/build.log rpds-py_0.21.0-2.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/62814/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/120490/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -645,7 +677,7 @@
 Get: 509 http://deb.debian.org/debian trixie/main i386 python3-maturin i386 1.7.4-2 [3569 kB]
 Get: 510 http://deb.debian.org/debian trixie/main i386 python3-pytest all 8.3.3-1 [249 kB]
 Get: 511 http://deb.debian.org/debian trixie/main i386 python3-traitlets all 5.14.3+really5.14.3-1 [70.9 kB]
-Fetched 221 MB in 6s (39.0 MB/s)
+Fetched 221 MB in 4s (54.1 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libpython3.12-minimal:i386.
 (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.)
@@ -2256,8 +2288,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Dec 26 16:02:56 UTC 2024.
-Universal Time is now:  Thu Dec 26 16:02:56 UTC 2024.
+Local time is now:      Wed Jan 28 22:29:08 UTC 2026.
+Universal Time is now:  Wed Jan 28 22:29:08 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up librust-unicode-segmentation-dev:i386 (1.11.0-1) ...
@@ -2718,7 +2750,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/rpds-py-0.21.0/ && 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  > ../rpds-py_0.21.0-2_source.changes
+I: user script /srv/workspace/pbuilder/120490/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/120490/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/rpds-py-0.21.0/ && 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  > ../rpds-py_0.21.0-2_source.changes
 dpkg-buildpackage: info: source package rpds-py
 dpkg-buildpackage: info: source version 0.21.0-2
 dpkg-buildpackage: info: source distribution unstable
@@ -2755,25 +2791,25 @@
    Compiling once_cell v1.20.2
    Compiling proc-macro2 v1.0.86
    Compiling unicode-ident v1.0.13
-   Compiling autocfg v1.1.0
    Compiling libc v0.2.168
+   Compiling autocfg v1.1.0
    Compiling heck v0.4.1
    Compiling triomphe v0.1.14
-   Compiling cfg-if v1.0.0
-   Compiling indoc v2.0.5
    Compiling unindent v0.2.3
+   Compiling indoc v2.0.5
+   Compiling cfg-if v1.0.0
    Compiling archery v1.2.1
    Compiling memoffset v0.8.0
    Compiling rpds v1.1.0
    Compiling pyo3-build-config v0.22.6
    Compiling quote v1.0.37
    Compiling syn v2.0.85
-   Compiling pyo3-macros-backend v0.22.6
    Compiling pyo3-ffi v0.22.6
+   Compiling pyo3-macros-backend v0.22.6
    Compiling pyo3 v0.22.6
    Compiling pyo3-macros v0.22.6
    Compiling rpds-py v0.21.0 (/build/reproducible-path/rpds-py-0.21.0)
-    Finished `release` profile [optimized] target(s) in 41.54s
+    Finished `release` profile [optimized] target(s) in 28.95s
 📖 Found type stub file at rpds.pyi
 📦 Built wheel for CPython 3.13 to /build/reproducible-path/rpds-py-0.21.0/target/wheels/rpds_py-0.21.0-cp313-cp313-linux_i686.whl
 /build/reproducible-path/rpds-py-0.21.0/target/wheels/rpds_py-0.21.0-cp313-cp313-linux_i686.whl
@@ -2793,7 +2829,7 @@
    Compiling pyo3 v0.22.6
    Compiling pyo3-macros v0.22.6
    Compiling rpds-py v0.21.0 (/build/reproducible-path/rpds-py-0.21.0)
-    Finished `release` profile [optimized] target(s) in 38.18s
+    Finished `release` profile [optimized] target(s) in 21.91s
 📖 Found type stub file at rpds.pyi
 📦 Built wheel for CPython 3.12 to /build/reproducible-path/rpds-py-0.21.0/target/wheels/rpds_py-0.21.0-cp312-cp312-linux_i686.whl
 /build/reproducible-path/rpds-py-0.21.0/target/wheels/rpds_py-0.21.0-cp312-cp312-linux_i686.whl
@@ -2814,7 +2850,7 @@
 tests/test_list.py ...................                                   [ 85%]
 tests/test_queue.py .................                                    [100%]
 
-============================= 116 passed in 0.74s ==============================
+============================= 116 passed in 0.40s ==============================
 I: pybuild base:311: cd /build/reproducible-path/rpds-py-0.21.0/.pybuild/cpython3_3.12_rpds-py/build; python3.12 -m pytest tests
 ============================= test session starts ==============================
 platform linux -- Python 3.12.8, pytest-8.3.3, pluggy-1.5.0
@@ -2829,7 +2865,7 @@
 tests/test_list.py ...................                                   [ 85%]
 tests/test_queue.py .................                                    [100%]
 
-============================= 116 passed in 0.83s ==============================
+============================= 116 passed in 0.43s ==============================
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=pybuild
    dh_prep -O--buildsystem=pybuild
@@ -2860,16 +2896,16 @@
  diversion by libc6 from: /lib/ld-linux.so.2
 dpkg-shlibdeps: warning: diversions involved - output may be incorrect
  diversion by libc6 to: /lib/ld-linux.so.2.usr-is-merged
-dpkg-shlibdeps: warning: debian/python3-rpds-py/usr/lib/python3/dist-packages/rpds/rpds.cpython-312-i386-linux-gnu.so contains an unresolvable reference to symbol PyBytes_Size: it's probably a plugin
-dpkg-shlibdeps: warning: 82 other similar warnings have been skipped (use -v to see them all)
-dpkg-shlibdeps: warning: debian/python3-rpds-py/usr/lib/python3/dist-packages/rpds/rpds.cpython-313-i386-linux-gnu.so contains an unresolvable reference to symbol PyObject_GenericGetDict: it's probably a plugin
+dpkg-shlibdeps: warning: debian/python3-rpds-py/usr/lib/python3/dist-packages/rpds/rpds.cpython-313-i386-linux-gnu.so contains an unresolvable reference to symbol PyExc_OverflowError: it's probably a plugin
 dpkg-shlibdeps: warning: 84 other similar warnings have been skipped (use -v to see them all)
+dpkg-shlibdeps: warning: debian/python3-rpds-py/usr/lib/python3/dist-packages/rpds/rpds.cpython-312-i386-linux-gnu.so contains an unresolvable reference to symbol PyErr_SetString: it's probably a plugin
+dpkg-shlibdeps: warning: 82 other similar warnings have been skipped (use -v to see them all)
    dh_installdeb -O--buildsystem=pybuild
    dh_gencontrol -O--buildsystem=pybuild
    dh_md5sums -O--buildsystem=pybuild
    dh_builddeb -O--buildsystem=pybuild
-dpkg-deb: building package 'python3-rpds-py' in '../python3-rpds-py_0.21.0-2_i386.deb'.
 dpkg-deb: building package 'python3-rpds-py-dbgsym' in '../python3-rpds-py-dbgsym_0.21.0-2_i386.deb'.
+dpkg-deb: building package 'python3-rpds-py' in '../python3-rpds-py_0.21.0-2_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../rpds-py_0.21.0-2_i386.buildinfo
  dpkg-genchanges --build=binary -O../rpds-py_0.21.0-2_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -2878,12 +2914,14 @@
 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/120490/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/120490/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/62814 and its subdirectories
-I: Current time: Thu Dec 26 04:05:04 -12 2024
-I: pbuilder-time-stamp: 1735229104
+I: removing directory /srv/workspace/pbuilder/120490 and its subdirectories
+I: Current time: Thu Jan 29 12:31:25 +14 2026
+I: pbuilder-time-stamp: 1769639485