Diff of the two buildlogs:

--
--- b1/build.log	2025-03-17 07:19:11.935466769 +0000
+++ b2/build.log	2025-03-17 07:20:39.939509745 +0000
@@ -1,7 +1,6 @@
-W: cgroups are not available on the host, not using them.
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr 19 01:41:24 -12 2026
-I: pbuilder-time-stamp: 1776606084
+I: Current time: Mon Mar 17 21:19:14 +14 2025
+I: pbuilder-time-stamp: 1742195954
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -27,51 +26,84 @@
 dpkg-source: info: applying arrayvec-0.7.diff
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3896384/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3261118/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink04-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 Mar 17 07:19 /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/3261118/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3261118/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='trixie'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  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='3896384'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=49258e7560604104beb2fe05acedcec8
+  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=3261118
   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.NOmJsGxA/pbuilderrc_E8pl --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.NOmJsGxA/b1 --logfile b1/build.log rust-chardetng_0.1.17-3.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/sbin/chroot'
-  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.NOmJsGxA/pbuilderrc_dcYm --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.NOmJsGxA/b2 --logfile b2/build.log rust-chardetng_0.1.17-3.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 codethink03-arm64 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3896384/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3261118/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -254,7 +286,7 @@
 Get: 133 http://deb.debian.org/debian trixie/main arm64 librust-value-bag-sval2-dev arm64 1.9.0-1 [7732 B]
 Get: 134 http://deb.debian.org/debian trixie/main arm64 librust-value-bag-dev arm64 1.9.0-1 [37.0 kB]
 Get: 135 http://deb.debian.org/debian trixie/main arm64 librust-log-dev arm64 0.4.26-1 [49.0 kB]
-Fetched 129 MB in 1s (234 MB/s)
+Fetched 129 MB in 1s (144 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-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 ... 19917 files and directories currently installed.)
@@ -698,8 +730,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Apr 19 13:41:57 UTC 2026.
-Universal Time is now:  Sun Apr 19 13:41:57 UTC 2026.
+Local time is now:      Mon Mar 17 07:20:13 UTC 2025.
+Universal Time is now:  Mon Mar 17 07:20:13 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up librust-compiler-builtins-dev:arm64 (0.1.139-1) ...
@@ -821,7 +853,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/rust-chardetng-0.1.17/ && 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-chardetng_0.1.17-3_source.changes
+I: user script /srv/workspace/pbuilder/3261118/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3261118/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/rust-chardetng-0.1.17/ && 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-chardetng_0.1.17-3_source.changes
 dpkg-buildpackage: info: source package rust-chardetng
 dpkg-buildpackage: info: source version 0.1.17-3
 dpkg-buildpackage: info: source distribution unstable
@@ -851,11 +887,11 @@
 debian cargo wrapper: rust_type = aarch64-unknown-linux-gnu, gnu_type = aarch64-linux-gnu
 debian cargo wrapper: running subprocess (['env', 'RUST_BACKTRACE=1', '/usr/bin/cargo', '-Zavoid-dev-deps', 'build', '--verbose', '--verbose', '-j12', '--target', 'aarch64-unknown-linux-gnu'],) {}
    Compiling cfg-if v1.0.0
-   Compiling memchr v2.7.4
      Running `CARGO=/usr/bin/cargo CARGO_CRATE_NAME=cfg_if CARGO_MANIFEST_DIR=/build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/cfg-if-1.0.0 CARGO_MANIFEST_PATH=/build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/cfg-if-1.0.0/Cargo.toml CARGO_PKG_AUTHORS='Alex Crichton <alex@alexcrichton.com>' CARGO_PKG_DESCRIPTION='A macro to ergonomically define an item depending on a large number of #[cfg]
 parameters. Structured like an if-else chain, the first matching branch is the
 item that gets emitted.
 ' CARGO_PKG_HOMEPAGE='https://github.com/alexcrichton/cfg-if' CARGO_PKG_LICENSE=MIT/Apache-2.0 CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=cfg-if CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/alexcrichton/cfg-if' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=1.0.0 CARGO_PKG_VERSION_MAJOR=1 CARGO_PKG_VERSION_MINOR=0 CARGO_PKG_VERSION_PATCH=0 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps rustc --crate-name cfg_if --edition=2018 /build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/cfg-if-1.0.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("core"))' -C metadata=ade799ff0cd789d3 -C extra-filename=-549db5f097250236 --out-dir /build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps --target aarch64-unknown-linux-gnu -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps --cap-lints warn -C debuginfo=2 -C strip=none --cap-lints warn -C linker=aarch64-linux-gnu-gcc -C link-arg=-Wl,-z,relro --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17=/usr/share/cargo/registry/chardetng-0.1.17 --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry=/usr/share/cargo/registry`
+   Compiling memchr v2.7.4
      Running `CARGO=/usr/bin/cargo CARGO_CRATE_NAME=memchr CARGO_MANIFEST_DIR=/build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/memchr-2.7.4 CARGO_MANIFEST_PATH=/build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/memchr-2.7.4/Cargo.toml CARGO_PKG_AUTHORS='Andrew Gallant <jamslam@gmail.com>:bluss' CARGO_PKG_DESCRIPTION='Provides extremely fast (uses SIMD on x86_64, aarch64 and wasm32) routines for
 1, 2 or 3 byte search and single substring search.
 ' CARGO_PKG_HOMEPAGE='https://github.com/BurntSushi/memchr' CARGO_PKG_LICENSE='Unlicense OR MIT' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=memchr CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/BurntSushi/memchr' CARGO_PKG_RUST_VERSION=1.61 CARGO_PKG_VERSION=2.7.4 CARGO_PKG_VERSION_MAJOR=2 CARGO_PKG_VERSION_MINOR=7 CARGO_PKG_VERSION_PATCH=4 CARGO_PKG_VERSION_PRE='' LD_LIBRARY_PATH=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps rustc --crate-name memchr --edition=2021 /build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry/memchr-2.7.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "compiler_builtins", "core", "default", "libc", "logging", "rustc-dep-of-std", "std", "use_std"))' -C metadata=5b945d8dcd67a82a -C extra-filename=-cebc69f450d4f634 --out-dir /build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps --target aarch64-unknown-linux-gnu -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps --cap-lints warn -C debuginfo=2 -C strip=none --cap-lints warn -C linker=aarch64-linux-gnu-gcc -C link-arg=-Wl,-z,relro --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17=/usr/share/cargo/registry/chardetng-0.1.17 --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry=/usr/share/cargo/registry`
@@ -1462,7 +1498,7 @@
    Compiling chardetng v0.1.17 (/build/reproducible-path/rust-chardetng-0.1.17)
      Running `CARGO=/usr/bin/cargo CARGO_CRATE_NAME=chardetng CARGO_MANIFEST_DIR=/build/reproducible-path/rust-chardetng-0.1.17 CARGO_MANIFEST_PATH=/build/reproducible-path/rust-chardetng-0.1.17/Cargo.toml CARGO_PKG_AUTHORS='Henri Sivonen <hsivonen@hsivonen.fi>' CARGO_PKG_DESCRIPTION='A character encoding detector for legacy Web content' CARGO_PKG_HOMEPAGE='https://docs.rs/chardetng/' CARGO_PKG_LICENSE='Apache-2.0 OR MIT' CARGO_PKG_LICENSE_FILE='' CARGO_PKG_NAME=chardetng CARGO_PKG_README=README.md CARGO_PKG_REPOSITORY='https://github.com/hsivonen/chardetng' CARGO_PKG_RUST_VERSION='' CARGO_PKG_VERSION=0.1.17 CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=1 CARGO_PKG_VERSION_PATCH=17 CARGO_PKG_VERSION_PRE='' CARGO_PRIMARY_PACKAGE=1 LD_LIBRARY_PATH=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps rustc --crate-name chardetng --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arrayvec", "multithreading", "rayon", "testing-only-no-semver-guarantees-do-not-use"))' -C metadata=0819527e21ca851f -C extra-filename=-c9c0f0b3b3d63e39 --out-dir /build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps --target aarch64-unknown-linux-gnu -C incremental=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/incremental -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps -L dependency=/build/reproducible-path/rust-chardetng-0.1.17/target/debug/deps --extern cfg_if=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps/libcfg_if-549db5f097250236.rmeta --extern encoding_rs=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps/libencoding_rs-bd5e25a7d3bd4dd6.rmeta --extern memchr=/build/reproducible-path/rust-chardetng-0.1.17/target/aarch64-unknown-linux-gnu/debug/deps/libmemchr-cebc69f450d4f634.rmeta -C debuginfo=2 -C strip=none --cap-lints warn -C linker=aarch64-linux-gnu-gcc -C link-arg=-Wl,-z,relro --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17=/usr/share/cargo/registry/chardetng-0.1.17 --remap-path-prefix /build/reproducible-path/rust-chardetng-0.1.17/debian/cargo_registry=/usr/share/cargo/registry`
 warning: `encoding_rs` (lib) generated 54 warnings (2 duplicates)
-    Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.09s
+    Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
 librust-cfg-if-dev:arm64 1.0.0-1+b2 0
 librust-encoding-rs-dev:arm64 0.8.35-1 0
 librust-memchr-dev:arm64 2.7.4-1 0
@@ -1496,12 +1532,14 @@
 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/3261118/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3261118/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/3896384 and its subdirectories
-I: Current time: Sun Apr 19 01:42:09 -12 2026
-I: pbuilder-time-stamp: 1776606129
+I: removing directory /srv/workspace/pbuilder/3261118 and its subdirectories
+I: Current time: Mon Mar 17 21:20:38 +14 2025
+I: pbuilder-time-stamp: 1742196038