Diff of the two buildlogs:

--
--- b1/build.log	2023-05-07 11:22:08.183651071 +0000
+++ b2/build.log	2023-05-07 11:23:24.256314695 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat May  6 23:20:43 -12 2023
-I: pbuilder-time-stamp: 1683458443
+I: Current time: Sun Jun  9 07:45:10 +14 2024
+I: pbuilder-time-stamp: 1717868710
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./rust-dirs-next_2.0.0.orig.tar.gz]
 I: copying [./rust-dirs-next_2.0.0-1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Thu Dec 10 21:18:53 2020 -12
+gpgv: Signature made Fri Dec 11 23:18:53 2020 +14
 gpgv:                using RSA key B60DB5994D39BEC4D1A95CCF7E6528DA752F1BE1
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./rust-dirs-next_2.0.0-1.dsc: no acceptable signature found
@@ -27,52 +27,84 @@
 dpkg-source: info: applying lower-cfg-if-dep.diff
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/30806/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/23007/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink9-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 Jun  9 07:45 /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/23007/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/23007/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  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]="15" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.15(1)-release'
+  BUILDDIR=/build
+  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=8'
-  DISTRIBUTION='bookworm'
-  HOME='/var/lib/jenkins'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/var/lib/jenkins
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  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='30806'
-  PS1='# '
-  PS2='> '
+  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=23007
   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.lnqEg3Dk/pbuilderrc_kQZL --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.lnqEg3Dk/b1 --logfile b1/build.log rust-dirs-next_2.0.0-1.dsc'
-  SUDO_GID='117'
-  SUDO_UID='110'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  USERNAME='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.16:3128'
+  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.lnqEg3Dk/pbuilderrc_8mvH --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.lnqEg3Dk/b2 --logfile b2/build.log --extrapackages usrmerge rust-dirs-next_2.0.0-1.dsc'
+  SUDO_GID=117
+  SUDO_UID=110
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  USERNAME=root
+  _='I: set'
+  http_proxy=http://192.168.101.16:3128
 I: uname -a
-  Linux codethink12-arm64 4.15.0-210-generic #221-Ubuntu SMP Tue Apr 18 08:32:48 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-210-generic #221-Ubuntu SMP Tue Apr 18 08:32:48 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 May  5 22:26 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/30806/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Jun  8 06:49 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/23007/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -188,7 +220,7 @@
 Get: 68 http://deb.debian.org/debian bookworm/main arm64 librust-winapi-x86-64-pc-windows-gnu-dev arm64 0.4.0-1+b1 [3908 B]
 Get: 69 http://deb.debian.org/debian bookworm/main arm64 librust-winapi-dev arm64 0.3.9-1+b1 [899 kB]
 Get: 70 http://deb.debian.org/debian bookworm/main arm64 librust-dirs-sys-next-dev arm64 0.1.1-1+b1 [13.0 kB]
-Fetched 108 MB in 4s (26.4 MB/s)
+Fetched 108 MB in 5s (23.6 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libpython3.11-minimal:arm64.
 (Reading database ... 
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(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19616 files and directories currently installed.)
@@ -484,8 +516,17 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/rust-dirs-next-2.0.0/ && 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  > ../rust-dirs-next_2.0.0-1_source.changes
+I: user script /srv/workspace/pbuilder/23007/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/23007/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/rust-dirs-next-2.0.0/ && 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  > ../rust-dirs-next_2.0.0-1_source.changes
 dpkg-buildpackage: info: source package rust-dirs-next
 dpkg-buildpackage: info: source version 2.0.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -555,14 +596,14 @@
 directory specifications on Linux, the Known Folder API on Windows,
 and the Standard Directory guidelines on macOS.
 ' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE='MIT OR Apache-2.0' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=dirs-next CARGO_PKG_REPOSITORY='https://github.com/xdg-rs/dirs' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=2.0.0 CARGO_PKG_VERSION_MAJOR=2 CARGO_PKG_VERSION_MINOR=0 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' CARGO_PRIMARY_PACKAGE=1 LD_LIBRARY_PATH='/build/rust-dirs-next-2.0.0/target/debug/deps:/usr/lib' rustc --crate-name dirs_next --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=952638b652e22cc6 -C extra-filename=-952638b652e22cc6 --out-dir /build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps --target aarch64-unknown-linux-gnu -C incremental=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/incremental -L dependency=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/rust-dirs-next-2.0.0/target/debug/deps --extern cfg_if=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/libcfg_if-1bdd99654d1712d0.rlib --extern dirs_sys_next=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/libdirs_sys_next-4880df457367236c.rlib -C debuginfo=2 --cap-lints warn -C linker=aarch64-linux-gnu-gcc -C link-arg=-Wl,-z,relro --remap-path-prefix /build/rust-dirs-next-2.0.0=/usr/share/cargo/registry/dirs-next-2.0.0 --remap-path-prefix /build/rust-dirs-next-2.0.0/debian/cargo_registry=/usr/share/cargo/registry`
-    Finished test [unoptimized + debuginfo] target(s) in 12.11s
+    Finished test [unoptimized + debuginfo] target(s) in 10.65s
      Running `/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/dirs_next-952638b652e22cc6`
 
 running 2 tests
 test lin::tests::test_file_user_dirs_exists ... ok
 test tests::test_dirs ... ok
 
-test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
+test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
 
    Doc-tests dirs-next
      Running `rustdoc --edition=2018 --crate-type lib --crate-name dirs_next --test /build/rust-dirs-next-2.0.0/src/lib.rs --target aarch64-unknown-linux-gnu -L dependency=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/rust-dirs-next-2.0.0/target/debug/deps --extern cfg_if=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/libcfg_if-1bdd99654d1712d0.rlib --extern dirs_next=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/libdirs_next-ec842f7054da1fc5.rlib --extern dirs_sys_next=/build/rust-dirs-next-2.0.0/target/aarch64-unknown-linux-gnu/debug/deps/libdirs_sys_next-4880df457367236c.rlib -C embed-bitcode=no --error-format human`
@@ -606,12 +647,14 @@
 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/23007/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/23007/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/30806 and its subdirectories
-I: Current time: Sat May  6 23:22:07 -12 2023
-I: pbuilder-time-stamp: 1683458527
+I: removing directory /srv/workspace/pbuilder/23007 and its subdirectories
+I: Current time: Sun Jun  9 07:46:23 +14 2024
+I: pbuilder-time-stamp: 1717868783