Diff of the two buildlogs:

--
--- b1/build.log	2025-01-01 02:42:14.028544279 +0000
+++ b2/build.log	2025-01-01 02:43:18.133621299 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Feb  2 21:04:26 -12 2026
-I: pbuilder-time-stamp: 1770109466
+I: Current time: Wed Jan  1 16:42:17 +14 2025
+I: pbuilder-time-stamp: 1735699337
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -26,52 +26,84 @@
 dpkg-source: info: applying disable-tests.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1005177/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/4151143/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink02-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 Jan  1 02:42 /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/4151143/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/4151143/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='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='f3f69ab1d0a84a97922a1168d8e030ab'
-  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='1005177'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=53196793a1e24d87b347138321a42f9c
+  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=4151143
   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.reW2WDPY/pbuilderrc_OteW --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.reW2WDPY/b1 --logfile b1/build.log rust-lzma-rs_0.3.0-3.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.reW2WDPY/pbuilderrc_SCLU --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.reW2WDPY/b2 --logfile b2/build.log rust-lzma-rs_0.3.0-3.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 codethink01-arm64 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1005177/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/4151143/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -199,7 +231,7 @@
 Get: 80 http://deb.debian.org/debian unstable/main arm64 librust-byteorder-dev arm64 1.5.0-1+b1 [24.0 kB]
 Get: 81 http://deb.debian.org/debian unstable/main arm64 librust-crc-catalog-dev arm64 2.4.0-1 [11.3 kB]
 Get: 82 http://deb.debian.org/debian unstable/main arm64 librust-crc-dev arm64 3.2.1-1 [16.0 kB]
-Fetched 125 MB in 1s (173 MB/s)
+Fetched 125 MB in 1s (159 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.12-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 ... 19975 files and directories currently installed.)
@@ -484,8 +516,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Tue Feb  3 09:04:59 UTC 2026.
-Universal Time is now:  Tue Feb  3 09:04:59 UTC 2026.
+Local time is now:      Wed Jan  1 02:42:48 UTC 2025.
+Universal Time is now:  Wed Jan  1 02:42:48 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -556,7 +588,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/rust-lzma-rs-0.3.0/ && 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-lzma-rs_0.3.0-3_source.changes
+I: user script /srv/workspace/pbuilder/4151143/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/4151143/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/rust-lzma-rs-0.3.0/ && 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-lzma-rs_0.3.0-3_source.changes
 dpkg-buildpackage: info: source package rust-lzma-rs
 dpkg-buildpackage: info: source version 0.3.0-3
 dpkg-buildpackage: info: source distribution unstable
@@ -615,43 +651,43 @@
 
 warning: `lzma-rs` (lib) generated 1 warning
 warning: `lzma-rs` (lib test) generated 1 warning (1 duplicate)
-    Finished `test` profile [unoptimized + debuginfo] target(s) in 2.74s
+    Finished `test` profile [unoptimized + debuginfo] target(s) in 7.94s
      Running `CARGO=/usr/bin/cargo CARGO_MANIFEST_DIR=/build/reproducible-path/rust-lzma-rs-0.3.0 CARGO_MANIFEST_PATH=/build/reproducible-path/rust-lzma-rs-0.3.0/Cargo.toml CARGO_PKG_AUTHORS='Guillaume Endignoux <ggendx@gmail.com>' CARGO_PKG_DESCRIPTION='A codec for LZMA, LZMA2 and XZ written in pure Rust' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE=MIT CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=lzma-rs CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/gendx/lzma-rs' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=0.3.0 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=3 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH='/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps:/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug:/usr/lib/rustlib/aarch64-unknown-linux-gnu/lib' /build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps/lzma_rs-962607a9c0a71993`
 
 running 31 tests
+test encode::rangecoder::test::test_encode_decode_ones ... ok
+test error::test::test_display ... ok
 test decode::options::test::test_options ... ok
 test util::vec2d::test::fill ... ok
-test encode::rangecoder::test::test_encode_decode_ones ... ok
+test encode::rangecoder::test::test_encode_decode_length_all ... ok
 test encode::rangecoder::test::test_encode_decode_zeros ... ok
-test error::test::test_display ... ok
 test util::vec2d::test::index ... ok
-test encode::rangecoder::test::test_encode_decode_length_all ... ok
-test encode::rangecoder::test::test_encode_decode_length_zeros ... ok
+test util::vec2d::test::index_add_overflow - should panic ... ok
+test util::vec2d::test::index_column_out_of_bounds - should panic ... ok
+test util::vec2d::test::index_out_of_bounds_vec_edge - should panic ... ok
+test util::vec2d::test::index_out_of_bounds - should panic ... ok
 test util::vec2d::test::index_mul_overflow - should panic ... ok
-test util::vec2d::test::indexmut ... ok
+test util::vec2d::test::index_row_out_of_bounds - should panic ... ok
 test util::vec2d::test::indexmut_add_overflow - should panic ... ok
+test util::vec2d::test::indexmut ... ok
 test util::vec2d::test::indexmut_column_out_of_bounds - should panic ... ok
+test util::vec2d::test::init ... ok
 test util::vec2d::test::indexmut_mul_overflow - should panic ... ok
-test util::vec2d::test::indexmut_out_of_bounds - should panic ... ok
-test util::vec2d::test::indexmut_out_of_bounds_vec_edge - should panic ... ok
 test util::vec2d::test::indexmut_row_out_of_bounds - should panic ... ok
-test util::vec2d::test::init ... ok
-test util::vec2d::test::init_overflow - should panic ... ok
+test util::vec2d::test::indexmut_out_of_bounds - should panic ... ok
 test xz::test::test_checkmethod_roundtrip ... ok
+test util::vec2d::test::indexmut_out_of_bounds_vec_edge - should panic ... ok
+test encode::rangecoder::test::test_encode_decode_reverse_bittree_ones ... ok
 test xz::test::test_streamflags_roundtrip ... ok
-test util::vec2d::test::index_add_overflow - should panic ... ok
-test util::vec2d::test::index_out_of_bounds - should panic ... ok
-test util::vec2d::test::index_column_out_of_bounds - should panic ... ok
-test util::vec2d::test::index_out_of_bounds_vec_edge - should panic ... ok
-test util::vec2d::test::index_row_out_of_bounds - should panic ... ok
+test encode::rangecoder::test::test_encode_decode_reverse_bittree_zeros ... ok
+test util::vec2d::test::init_overflow - should panic ... ok
 test encode::rangecoder::test::test_encode_decode_bittree_all ... ok
+test encode::rangecoder::test::test_encode_decode_length_zeros ... ok
 test encode::rangecoder::test::test_encode_decode_bittree_ones ... ok
-test encode::rangecoder::test::test_encode_decode_bittree_zeros ... ok
 test encode::rangecoder::test::test_encode_decode_reverse_bittree_all ... ok
-test encode::rangecoder::test::test_encode_decode_reverse_bittree_ones ... ok
-test encode::rangecoder::test::test_encode_decode_reverse_bittree_zeros ... ok
+test encode::rangecoder::test::test_encode_decode_bittree_zeros ... ok
 
-test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
+test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
 
    Doc-tests lzma_rs
      Running `CARGO=/usr/bin/cargo CARGO_CRATE_NAME=lzma_rs CARGO_MANIFEST_DIR=/build/reproducible-path/rust-lzma-rs-0.3.0 CARGO_MANIFEST_PATH=/build/reproducible-path/rust-lzma-rs-0.3.0/Cargo.toml CARGO_PKG_AUTHORS='Guillaume Endignoux <ggendx@gmail.com>' CARGO_PKG_DESCRIPTION='A codec for LZMA, LZMA2 and XZ written in pure Rust' CARGO_PKG_HOMEPAGE='' CARGO_PKG_LICENSE=MIT CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=lzma-rs CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/gendx/lzma-rs' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=0.3.0 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=3 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH=/build/reproducible-path/rust-lzma-rs-0.3.0/target/debug/deps rustdoc --edition=2018 --crate-type lib --color auto --crate-name lzma_rs --test src/lib.rs --test-run-directory /build/reproducible-path/rust-lzma-rs-0.3.0 --target aarch64-unknown-linux-gnu -L dependency=/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/reproducible-path/rust-lzma-rs-0.3.0/target/debug/deps --extern byteorder=/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps/libbyteorder-7c13b2e41693d0f2.rlib --extern crc=/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps/libcrc-4e9208c687b72695.rlib --extern lzma_rs=/build/reproducible-path/rust-lzma-rs-0.3.0/target/aarch64-unknown-linux-gnu/debug/deps/liblzma_rs-6709015a60ef8044.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("enable_logging", "env_logger", "log", "raw_decoder", "stream"))' --error-format human`
@@ -694,12 +730,14 @@
 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/4151143/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/4151143/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/1005177 and its subdirectories
-I: Current time: Mon Feb  2 21:05:12 -12 2026
-I: pbuilder-time-stamp: 1770109512
+I: removing directory /srv/workspace/pbuilder/4151143 and its subdirectories
+I: Current time: Wed Jan  1 16:43:17 +14 2025
+I: pbuilder-time-stamp: 1735699397