Diff of the two buildlogs:

--
--- b1/build.log	2025-03-04 09:53:10.959749777 +0000
+++ b2/build.log	2025-03-04 09:55:58.272247042 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar  3 21:44:52 -12 2025
-I: pbuilder-time-stamp: 1741081492
+I: Current time: Tue Apr  7 06:16:13 +14 2026
+I: pbuilder-time-stamp: 1775492173
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -26,54 +26,86 @@
 dpkg-source: info: applying upgrade-smithay-client-toolkit-0.19.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/64275/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/32919/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-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 Apr  6 16:16 /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/32919/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/32919/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='unstable'
-  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=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='57dc4a076e9b403b9af9ea4a08f38204'
-  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='64275'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=09702709c98b447e968fb10e55f30505
+  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=32919
   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.vsy541vO/pbuilderrc_v8Ae --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.vsy541vO/b1 --logfile b1/build.log shotman_0.4.7-4.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.vsy541vO/pbuilderrc_hSw1 --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.vsy541vO/b2 --logfile b2/build.log shotman_0.4.7-4.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 ionos12-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) 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 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/64275/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/32919/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -473,7 +505,7 @@
 Get: 310 http://deb.debian.org/debian unstable/main i386 librust-thiserror-impl-dev i386 2.0.11-1 [21.6 kB]
 Get: 311 http://deb.debian.org/debian unstable/main i386 librust-thiserror-dev i386 2.0.11-1 [28.5 kB]
 Get: 312 http://deb.debian.org/debian unstable/main i386 scdoc i386 1.11.3-1 [15.0 kB]
-Fetched 152 MB in 3s (49.8 MB/s)
+Fetched 152 MB in 2s (77.0 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sensible-utils.
 (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 ... 19769 files and directories currently installed.)
@@ -1736,7 +1768,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/shotman-0.4.7/ && 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  > ../shotman_0.4.7-4_source.changes
+I: user script /srv/workspace/pbuilder/32919/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/32919/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/shotman-0.4.7/ && 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  > ../shotman_0.4.7-4_source.changes
 dpkg-buildpackage: info: source package shotman
 dpkg-buildpackage: info: source version 0.4.7-4
 dpkg-buildpackage: info: source distribution unstable
@@ -1777,83 +1813,83 @@
    Compiling shlex v1.3.0
    Compiling linux-raw-sys v0.4.14
    Compiling bitflags v2.8.0
-   Compiling smallvec v1.13.2
-   Compiling downcast-rs v1.2.0
    Compiling memchr v2.7.4
-   Compiling cfg-if v1.0.0
+   Compiling downcast-rs v1.2.0
+   Compiling smallvec v1.13.2
    Compiling wayland-client v0.31.8
-   Compiling libc v0.2.169
+   Compiling cfg-if v1.0.0
    Compiling autocfg v1.1.0
-   Compiling utf8parse v0.2.1
-   Compiling thiserror v1.0.69
-   Compiling cc v1.1.14
+   Compiling libc v0.2.169
    Compiling tracing-core v0.1.32
+   Compiling thiserror v1.0.69
+   Compiling utf8parse v0.2.1
    Compiling pin-project-lite v0.2.13
-   Compiling slab v0.4.9
-   Compiling anstyle-parse v0.2.1
-   Compiling quick-xml v0.36.1
-   Compiling minimal-lexical v0.2.1
-   Compiling log v0.4.24
    Compiling anstyle v1.0.8
-   Compiling anstyle-query v1.0.0
-   Compiling tracing v0.1.40
    Compiling colorchoice v1.0.0
-   Compiling anstream v0.6.15
-   Compiling clap_lex v0.7.4
-   Compiling wayland-sys v0.31.6
-   Compiling async-task v4.7.1
-   Compiling nom v7.1.3
-   Compiling heck v0.4.1
+   Compiling log v0.4.24
+   Compiling anstyle-query v1.0.0
+   Compiling minimal-lexical v0.2.1
+   Compiling anstyle-parse v0.2.1
    Compiling serde v1.0.217
    Compiling strsim v0.10.0
+   Compiling async-task v4.7.1
    Compiling adler v1.0.2
-   Compiling smithay-client-toolkit v0.19.2
+   Compiling clap_lex v0.7.4
+   Compiling heck v0.4.1
+   Compiling cc v1.1.14
+   Compiling miniz_oxide v0.7.1
    Compiling crc32fast v1.4.2
+   Compiling num-conv v0.1.0
    Compiling cursor-icon v1.1.0
-   Compiling miniz_oxide v0.7.1
-   Compiling clap_builder v4.5.23
-   Compiling lazy_static v1.5.0
+   Compiling itoa v1.0.14
+   Compiling anstream v0.6.15
    Compiling serde_json v1.0.139
+   Compiling time-core v0.1.2
    Compiling powerfmt v0.2.0
+   Compiling lazy_static v1.5.0
    Compiling thiserror v2.0.11
-   Compiling quote v1.0.37
    Compiling anyhow v1.0.95
-   Compiling num-conv v0.1.0
-   Compiling syn v2.0.96
-   Compiling itoa v1.0.14
-   Compiling time-core v0.1.2
-   Compiling flate2 v1.0.34
-   Compiling time-macros v0.2.19
-   Compiling deranged v0.3.11
-   Compiling wayland-scanner v0.31.6
-   Compiling memmap2 v0.9.5
    Compiling colored v2.1.0
-   Compiling futures-core v0.3.31
-   Compiling wayland-backend v0.3.8
-   Compiling bitflags v1.3.2
+   Compiling shotman v0.1.0 (/build/reproducible-path/shotman-0.4.7)
+   Compiling either v1.13.0
    Compiling num_threads v0.1.7
+   Compiling slab v0.4.9
+   Compiling bitflags v1.3.2
+   Compiling quick-xml v0.36.1
+   Compiling nom v7.1.3
+   Compiling tracing v0.1.40
+   Compiling deranged v0.3.11
+   Compiling time-macros v0.2.19
+   Compiling futures-core v0.3.31
+   Compiling clap_builder v4.5.23
    Compiling ryu v1.0.19
-   Compiling either v1.13.0
-   Compiling shotman v0.1.0 (/build/reproducible-path/shotman-0.4.7)
-   Compiling itertools v0.13.0
-   Compiling png v0.17.7
    Compiling simple_logger v5.0.0
+   Compiling itertools v0.13.0
    Compiling futures-channel v0.3.31
+   Compiling wayland-sys v0.31.6
+   Compiling smithay-client-toolkit v0.19.2
+   Compiling flate2 v1.0.34
+   Compiling quote v1.0.37
+   Compiling syn v2.0.96
+   Compiling png v0.17.7
+   Compiling wayland-scanner v0.31.6
+   Compiling wayland-backend v0.3.8
+   Compiling memmap2 v0.9.5
    Compiling time v0.3.37
    Compiling xcursor v0.3.4
-   Compiling bytemuck_derive v1.5.0
    Compiling thiserror-impl v1.0.69
-   Compiling serde_derive v1.0.217
+   Compiling bytemuck_derive v1.5.0
    Compiling clap_derive v4.5.18
+   Compiling serde_derive v1.0.217
    Compiling thiserror-impl v2.0.11
    Compiling bytemuck v1.21.0
-   Compiling polling v3.4.0
    Compiling xkeysym v0.2.1
-   Compiling calloop v0.13.0
-   Compiling wayland-csd-frame v0.3.0
    Compiling clap v4.5.23
-   Compiling xkbcommon v0.8.0
    Compiling clap_complete v4.5.40
+   Compiling xkbcommon v0.8.0
+   Compiling polling v3.4.0
+   Compiling calloop v0.13.0
+   Compiling wayland-csd-frame v0.3.0
    Compiling wayland-protocols v0.32.6
    Compiling wayland-cursor v0.31.3
    Compiling calloop-wayland-source v0.3.0
@@ -1911,7 +1947,7 @@
     |        ^^^^^^
 
 warning: `shotman` (bin "shotman") generated 4 warnings
-    Finished `release` profile [optimized] target(s) in 3m 59s
+    Finished `release` profile [optimized] target(s) in 1m 29s
 scdoc < shotman.1.scd > debian/shotman.1
 make[1]: Leaving directory '/build/reproducible-path/shotman-0.4.7'
    debian/rules override_dh_auto_test
@@ -1971,7 +2007,7 @@
     |        ^^^^^^
 
 warning: `shotman` (bin "shotman" test) generated 4 warnings
-    Finished `release` profile [optimized] target(s) in 1m 37s
+    Finished `release` profile [optimized] target(s) in 27.91s
      Running unittests src/lib.rs (target/i686-unknown-linux-gnu/release/deps/shotman-faf3102e2fbe5409)
 
 running 0 tests
@@ -1982,19 +2018,19 @@
 
 running 0 tests
 
-test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
 
      Running unittests src/main.rs (target/i686-unknown-linux-gnu/release/deps/shotman_completions-430121b6ebcdad4f)
 
 running 0 tests
 
-test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
 
    Doc-tests shotman
 
 running 0 tests
 
-test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
+test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
 
 make[1]: Leaving directory '/build/reproducible-path/shotman-0.4.7'
    create-stamp debian/debhelper-build-stamp
@@ -2005,9 +2041,9 @@
    dh_installchangelogs
    dh_installman
    dh_shell_completions
-	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions bash >debian/dh-shell-completions.gen.wF9D/shotman.bash`
-	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions fish >debian/dh-shell-completions.gen.wF9D/shotman.fish`
-	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions zsh >debian/dh-shell-completions.gen.wF9D/shotman.zsh`
+	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions bash >debian/dh-shell-completions.gen.EPg5/shotman.bash`
+	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions fish >debian/dh-shell-completions.gen.EPg5/shotman.fish`
+	mode=gen run: name=shotman command=`target/$DEB_HOST_RUST_TYPE/release/shotman_completions zsh >debian/dh-shell-completions.gen.EPg5/shotman.zsh`
    dh_perl
    dh_link
    dh_strip_nondeterminism
@@ -2031,12 +2067,14 @@
 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/32919/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/32919/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/64275 and its subdirectories
-I: Current time: Mon Mar  3 21:53:10 -12 2025
-I: pbuilder-time-stamp: 1741081990
+I: removing directory /srv/workspace/pbuilder/32919 and its subdirectories
+I: Current time: Tue Apr  7 06:18:56 +14 2026
+I: pbuilder-time-stamp: 1775492336