Diff of the two buildlogs:

--
--- b1/build.log	2025-02-06 10:30:23.424673303 +0000
+++ b2/build.log	2025-02-06 10:39:39.511504016 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Feb  5 22:17:32 -12 2025
-I: pbuilder-time-stamp: 1738837052
+I: Current time: Fri Feb  7 00:30:38 +14 2025
+I: pbuilder-time-stamp: 1738837838
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,52 +25,84 @@
 dpkg-source: info: applying downgrade-sequoia-openpgp
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/10306/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/13600/tmp/hooks/D01_modify_environment starting
+debug: Running on virt64z.
+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  6 10:30 /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/13600/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/13600/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='trixie'
-  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]="37" [3]="1" [4]="release" [5]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='d8c17ed25ee54b578fae56ff9051789a'
-  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='10306'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=654a0aee03554804a73bed1a5094c477
+  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=13600
   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.Zs45MsFQ/pbuilderrc_YaZS --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.Zs45MsFQ/b1 --logfile b1/build.log pysequoia_0.1.25-2.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.Zs45MsFQ/pbuilderrc_S8Ve --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.Zs45MsFQ/b2 --logfile b2/build.log pysequoia_0.1.25-2.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 virt32a 6.1.0-30-armmp-lpae #1 SMP Debian 6.1.124-1 (2025-01-12) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/10306/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/13600/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -778,7 +810,7 @@
 Get: 648 http://deb.debian.org/debian trixie/main armhf python3-maturin armhf 1.7.4-2 [2767 kB]
 Get: 649 http://deb.debian.org/debian trixie/main armhf python3-semantic-version all 2.10.0-3 [17.7 kB]
 Get: 650 http://deb.debian.org/debian trixie/main armhf python3-setuptools-rust all 1.9.0+dfsg-3 [27.0 kB]
-Fetched 259 MB in 4s (64.0 MB/s)
+Fetched 259 MB in 23s (11.4 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal: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 ... 19568 files and directories currently installed.)
@@ -2817,8 +2849,8 @@
 Setting up tzdata (2024b-6) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Feb  6 10:20:01 UTC 2025.
-Universal Time is now:  Thu Feb  6 10:20:01 UTC 2025.
+Local time is now:      Thu Feb  6 10:32:46 UTC 2025.
+Universal Time is now:  Thu Feb  6 10:32:46 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up librust-unicode-segmentation-dev:armhf (1.12.0-1) ...
@@ -3407,7 +3439,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/pysequoia-0.1.25/ && 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  > ../pysequoia_0.1.25-2_source.changes
+I: user script /srv/workspace/pbuilder/13600/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/13600/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pysequoia-0.1.25/ && 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  > ../pysequoia_0.1.25-2_source.changes
 dpkg-buildpackage: info: source package pysequoia
 dpkg-buildpackage: info: source version 0.1.25-2
 dpkg-buildpackage: info: source distribution unstable
@@ -3453,68 +3489,68 @@
    Compiling syn v2.0.96
    Compiling cc v1.1.14
    Compiling regex-automata v0.4.9
-   Compiling either v1.13.0
    Compiling glob v0.3.2
+   Compiling either v1.13.0
    Compiling pkg-config v0.3.31
    Compiling clang-sys v1.8.1
    Compiling itertools v0.13.0
    Compiling regex v1.11.1
    Compiling lock_api v0.4.12
-   Compiling memchr v2.7.4
+   Compiling parking_lot_core v0.9.10
    Compiling minimal-lexical v0.2.1
+   Compiling memchr v2.7.4
    Compiling rustix v0.38.37
-   Compiling parking_lot_core v0.9.10
    Compiling bitflags v2.6.0
    Compiling nom v7.1.3
    Compiling dirs-sys-next v0.1.1
    Compiling libloading v0.8.5
-   Compiling linux-raw-sys v0.4.14
+   Compiling bindgen v0.70.1
    Compiling crunchy v0.2.2
    Compiling smallvec v1.13.2
-   Compiling cfg-if v0.1.10
    Compiling scopeguard v1.2.0
-   Compiling bindgen v0.70.1
+   Compiling linux-raw-sys v0.4.14
+   Compiling cfg-if v0.1.10
    Compiling dirs-next v2.0.0
    Compiling cexpr v0.6.0
    Compiling getrandom v0.2.15
+   Compiling tiny-keccak v2.0.2
    Compiling fastrand v2.1.1
    Compiling siphasher v1.0.1
-   Compiling equivalent v1.0.1
-   Compiling rustc-hash v1.1.0
    Compiling typenum v1.17.0
-   Compiling tiny-keccak v2.0.2
+   Compiling rustc-hash v1.1.0
+   Compiling equivalent v1.0.1
    Compiling hashbrown v0.14.5
    Compiling tempfile v3.15.0
    Compiling phf_shared v0.11.2
+   Compiling indexmap v2.7.0
    Compiling parking_lot v0.12.3
    Compiling term v0.7.0
-   Compiling indexmap v2.7.0
    Compiling bzip2-sys v0.1.11+1.0.8
    Compiling new_debug_unreachable v1.0.4
-   Compiling bit-vec v0.8.0
-   Compiling fixedbitset v0.4.2
-   Compiling precomputed-hash v0.1.1
-   Compiling log v0.4.22
    Compiling version_check v0.9.5
    Compiling same-file v1.0.6
-   Compiling walkdir v2.5.0
-   Compiling generic-array v0.14.7
-   Compiling ena v0.14.0
+   Compiling fixedbitset v0.4.2
+   Compiling bit-vec v0.8.0
+   Compiling log v0.4.22
+   Compiling precomputed-hash v0.1.1
    Compiling string_cache v0.8.7
+   Compiling ena v0.14.0
    Compiling bit-set v0.8.0
    Compiling petgraph v0.6.4
+   Compiling generic-array v0.14.7
+   Compiling walkdir v2.5.0
    Compiling ascii-canvas v3.0.0
-   Compiling pyo3-macros-backend v0.22.6
    Compiling pyo3-ffi v0.22.6
+   Compiling pyo3-macros-backend v0.22.6
    Compiling num-traits v0.2.19
-   Compiling lalrpop-util v0.20.0
    Compiling adler v1.0.2
-   Compiling anyhow v1.0.86
    Compiling unicode-xid v0.2.4
+   Compiling lalrpop-util v0.20.0
    Compiling thiserror v1.0.69
+   Compiling anyhow v1.0.86
    Compiling lalrpop v0.20.2
-   Compiling miniz_oxide v0.7.1
    Compiling aho-corasick v1.1.3
+   Compiling miniz_oxide v0.7.1
    Compiling thiserror-impl v1.0.69
    Compiling crc32fast v1.4.2
    Compiling memoffset v0.8.0
@@ -3525,25 +3561,25 @@
    Compiling flate2 v1.0.34
    Compiling bzip2 v0.4.4
    Compiling pyo3 v0.22.6
-   Compiling iana-time-zone v0.1.60
-   Compiling unicode-bidi v0.3.17
    Compiling lazy_static v1.5.0
-   Compiling buffered-reader v1.3.1
+   Compiling unicode-bidi v0.3.17
+   Compiling iana-time-zone v0.1.60
    Compiling idna v0.4.0
    Compiling chrono v0.4.39
    Compiling sequoia-openpgp v1.21.2
+   Compiling buffered-reader v1.3.1
    Compiling nettle v7.3.0
    Compiling pyo3-macros v0.22.6
-   Compiling memsec v0.7.0
-   Compiling unindent v0.2.3
-   Compiling xxhash-rust v0.8.6
    Compiling base64 v0.22.1
+   Compiling xxhash-rust v0.8.6
+   Compiling memsec v0.7.0
    Compiling dyn-clone v1.0.16
    Compiling indoc v2.0.5
-   Compiling testresult v0.4.1
+   Compiling unindent v0.2.3
    Compiling hex v0.4.3
+   Compiling testresult v0.4.1
    Compiling pysequoia v0.1.25 (/build/reproducible-path/pysequoia-0.1.25)
-    Finished `release` profile [optimized] target(s) in 6m 46s
+    Finished `release` profile [optimized] target(s) in 4m 47s
 📦 Built wheel for CPython 3.12 to /build/reproducible-path/pysequoia-0.1.25/target/wheels/pysequoia-0.1.25-cp312-cp312-linux_armv7l.whl
 /build/reproducible-path/pysequoia-0.1.25/target/wheels/pysequoia-0.1.25-cp312-cp312-linux_armv7l.whl
 Successfully built pysequoia-0.1.25-cp312-cp312-linux_armv7l.whl
@@ -3555,12 +3591,12 @@
 🔗 Found pyo3 bindings
 🐍 Found CPython 3.13 at /usr/bin/python3.13
    Compiling pyo3-build-config v0.22.6
-   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 pysequoia v0.1.25 (/build/reproducible-path/pysequoia-0.1.25)
-    Finished `release` profile [optimized] target(s) in 1m 42s
+    Finished `release` profile [optimized] target(s) in 53.27s
 📦 Built wheel for CPython 3.13 to /build/reproducible-path/pysequoia-0.1.25/target/wheels/pysequoia-0.1.25-cp313-cp313-linux_armv7l.whl
 /build/reproducible-path/pysequoia-0.1.25/target/wheels/pysequoia-0.1.25-cp313-cp313-linux_armv7l.whl
 Successfully built pysequoia-0.1.25-cp313-cp313-linux_armv7l.whl
@@ -3609,17 +3645,17 @@
  diversion by libc6 from: /lib/ld-linux-armhf.so.3
 dpkg-shlibdeps: warning: diversions involved - output may be incorrect
  diversion by libc6 to: /lib/ld-linux-armhf.so.3.usr-is-merged
-dpkg-shlibdeps: warning: debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-312-arm-linux-gnueabihf.so contains an unresolvable reference to symbol PyErr_GetRaisedException: it's probably a plugin
+dpkg-shlibdeps: warning: debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-313-arm-linux-gnueabihf.so contains an unresolvable reference to symbol PyErr_Print: it's probably a plugin
 dpkg-shlibdeps: warning: 85 other similar warnings have been skipped (use -v to see them all)
-dpkg-shlibdeps: warning: debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-313-arm-linux-gnueabihf.so contains an unresolvable reference to symbol PyErr_GetRaisedException: it's probably a plugin
+dpkg-shlibdeps: warning: debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-312-arm-linux-gnueabihf.so contains an unresolvable reference to symbol PyErr_NewExceptionWithDoc: it's probably a plugin
 dpkg-shlibdeps: warning: 85 other similar warnings have been skipped (use -v to see them all)
-dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-312-arm-linux-gnueabihf.so debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-313-arm-linux-gnueabihf.so were not linked against libm.so.6 (they use none of the library's symbols)
+dpkg-shlibdeps: warning: package could avoid a useless dependency if debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-313-arm-linux-gnueabihf.so debian/python3-pysequoia/usr/lib/python3/dist-packages/pysequoia/pysequoia.cpython-312-arm-linux-gnueabihf.so were not linked against libm.so.6 (they use none of the library's symbols)
    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-pysequoia-dbgsym' in '../python3-pysequoia-dbgsym_0.1.25-2_armhf.deb'.
 dpkg-deb: building package 'python3-pysequoia' in '../python3-pysequoia_0.1.25-2_armhf.deb'.
+dpkg-deb: building package 'python3-pysequoia-dbgsym' in '../python3-pysequoia-dbgsym_0.1.25-2_armhf.deb'.
  dpkg-genbuildinfo --build=binary -O../pysequoia_0.1.25-2_armhf.buildinfo
  dpkg-genchanges --build=binary -O../pysequoia_0.1.25-2_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -3627,12 +3663,14 @@
 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/13600/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/13600/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/10306 and its subdirectories
-I: Current time: Wed Feb  5 22:30:18 -12 2025
-I: pbuilder-time-stamp: 1738837818
+I: removing directory /srv/workspace/pbuilder/13600 and its subdirectories
+I: Current time: Fri Feb  7 00:39:35 +14 2025
+I: pbuilder-time-stamp: 1738838375