Diff of the two buildlogs:

--
--- b1/build.log	2025-01-29 13:57:44.757880644 +0000
+++ b2/build.log	2025-01-29 14:08:29.817084496 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Mar  3 08:19:51 -12 2026
-I: pbuilder-time-stamp: 1772569191
+I: Current time: Thu Jan 30 03:57:48 +14 2025
+I: pbuilder-time-stamp: 1738159068
 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 replace-gpgme-getdir-info.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1989093/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3957200/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos1-amd64.
+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 29 13:58 /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/3957200/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3957200/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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]="x86_64-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=amd64
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=20 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='f9e346262af646faaea5db2b18b29a2c'
-  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='1989093'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=0483e88b92b94b5c810494b0d1cf443d
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-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=3957200
   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.epi1uUFy/pbuilderrc_8ow7 --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.epi1uUFy/b1 --logfile b1/build.log yubikey-touch-detector_1.12.5-1.dsc'
-  SUDO_GID='110'
-  SUDO_UID='105'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  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.epi1uUFy/pbuilderrc_BEch --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.epi1uUFy/b2 --logfile b2/build.log yubikey-touch-detector_1.12.5-1.dsc'
+  SUDO_GID=110
+  SUDO_UID=105
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos5-amd64 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1989093/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3957200/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -210,7 +242,7 @@
 Get: 80 http://deb.debian.org/debian trixie/main amd64 libpkgconf3 amd64 1.8.1-4 [36.4 kB]
 Get: 81 http://deb.debian.org/debian trixie/main amd64 pkgconf-bin amd64 1.8.1-4 [30.2 kB]
 Get: 82 http://deb.debian.org/debian trixie/main amd64 pkgconf amd64 1.8.1-4 [26.2 kB]
-Fetched 77.2 MB in 5s (15.4 MB/s)
+Fetched 77.2 MB in 10s (7984 kB/s)
 Preconfiguring packages ...
 Selecting previously unselected package golang-golang-x-sys-dev.
 (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 ... 19855 files and directories currently installed.)
@@ -557,7 +589,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/yubikey-touch-detector-1.12.5/ && 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  > ../yubikey-touch-detector_1.12.5-1_source.changes
+I: user script /srv/workspace/pbuilder/3957200/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3957200/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/yubikey-touch-detector-1.12.5/ && 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  > ../yubikey-touch-detector_1.12.5-1_source.changes
 dpkg-buildpackage: info: source package yubikey-touch-detector
 dpkg-buildpackage: info: source version 1.12.5-1
 dpkg-buildpackage: info: source distribution unstable
@@ -575,146 +611,146 @@
    dh_autoreconf -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_configure -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go install -trimpath -v -p 42 github.com/maximbaz/yubikey-touch-detector github.com/maximbaz/yubikey-touch-detector/detector github.com/maximbaz/yubikey-touch-detector/notifier
-internal/asan
+	cd _build && go install -trimpath -v -p 20 github.com/maximbaz/yubikey-touch-detector github.com/maximbaz/yubikey-touch-detector/detector github.com/maximbaz/yubikey-touch-detector/notifier
+encoding
 internal/race
-internal/goarch
-internal/goos
-internal/msan
-internal/profilerecord
-internal/godebugs
 unicode/utf8
-unicode/utf16
-container/list
-internal/goexperiment
 math/bits
-internal/nettrace
-internal/coverage/rtcov
-internal/byteorder
-crypto/subtle
-vendor/golang.org/x/crypto/cryptobyte/asn1
-internal/runtime/atomic
-crypto/internal/alias
-image/color
+internal/asan
 internal/itoa
-vendor/golang.org/x/crypto/internal/alias
+internal/goarch
+internal/unsafeheader
+internal/coverage/rtcov
 internal/runtime/syscall
 cmp
-log/internal
-internal/unsafeheader
-internal/cpu
-crypto/internal/boring/sig
 sync/atomic
-encoding
+internal/msan
 unicode
+internal/goos
+internal/byteorder
+internal/godebugs
+unicode/utf16
+internal/cpu
+internal/goexperiment
+internal/abi
 runtime/internal/math
+internal/profilerecord
+container/list
 runtime/internal/sys
-internal/abi
+internal/runtime/atomic
+crypto/internal/alias
+crypto/subtle
+crypto/internal/boring/sig
+vendor/golang.org/x/crypto/cryptobyte/asn1
+vendor/golang.org/x/crypto/internal/alias
+internal/nettrace
+log/internal
+image/color
 internal/chacha8rand
-internal/runtime/exithook
 internal/bytealg
 math
+internal/runtime/exithook
 internal/stringslite
 runtime
-iter
-internal/weak
 internal/reflectlite
+iter
 sync
+internal/weak
 slices
+internal/bisect
 internal/singleflight
 internal/testlog
-internal/bisect
 runtime/cgo
+internal/godebug
 errors
+math/rand
+io
 sort
+strconv
 internal/oserror
 path
-io
-internal/godebug
 crypto/internal/edwards25519/field
-strconv
+vendor/golang.org/x/net/dns/dnsmessage
 crypto/internal/nistec/fiat
 math/rand/v2
-vendor/golang.org/x/net/dns/dnsmessage
 syscall
+crypto/internal/edwards25519
 bytes
-math/rand
-strings
 hash
 crypto/internal/randutil
-crypto/internal/edwards25519
+strings
 internal/concurrent
 unique
-crypto/rc4
 crypto
+crypto/rc4
 reflect
-crypto/cipher
+net/netip
 crypto/md5
+crypto/cipher
 bufio
-net/netip
-crypto/des
+image
 crypto/internal/boring
+crypto/des
+crypto/aes
+crypto/sha512
 crypto/hmac
 crypto/sha1
-crypto/sha512
 crypto/sha256
-crypto/aes
-image
 vendor/golang.org/x/crypto/hkdf
+time
+internal/syscall/unix
 internal/syscall/execenv
 github.com/vtolstov/go-ioctl
-internal/syscall/unix
-time
 context
-io/fs
 internal/poll
-embed
+io/fs
 internal/filepathlite
+embed
 crypto/internal/nistec
+os
 internal/fmtsort
 encoding/binary
-os
+crypto/ecdh
 encoding/base64
-vendor/golang.org/x/crypto/internal/poly1305
 vendor/golang.org/x/crypto/chacha20
+vendor/golang.org/x/crypto/internal/poly1305
 golang.org/x/sys/unix
 encoding/pem
-crypto/ecdh
-io/ioutil
-fmt
-os/signal
 vendor/golang.org/x/sys/cpu
 path/filepath
+os/signal
+io/ioutil
+fmt
 net
-vendor/golang.org/x/crypto/sha3
 vendor/golang.org/x/crypto/chacha20poly1305
+vendor/golang.org/x/crypto/sha3
 os/exec
 flag
+encoding/json
 encoding/hex
-log
 net/url
-github.com/proglottis/gpgme
+log
 os/user
-encoding/json
+github.com/proglottis/gpgme
 math/big
-github.com/rjeczalik/notify
 github.com/deckarep/golang-set
 github.com/sirupsen/logrus
-crypto/internal/boring/bbig
-crypto/internal/bigmod
+github.com/rjeczalik/notify
 crypto/elliptic
-crypto/dsa
-crypto/rand
+crypto/internal/bigmod
+crypto/internal/boring/bbig
 encoding/asn1
-crypto/internal/hpke
+crypto/rand
+crypto/dsa
 crypto/ed25519
+crypto/internal/hpke
 crypto/internal/mlkem768
 crypto/rsa
-crypto/x509/pkix
 vendor/golang.org/x/crypto/cryptobyte
+crypto/x509/pkix
 crypto/ecdsa
-crypto/x509
 github.com/godbus/dbus
+crypto/x509
 crypto/tls
 github.com/esiqveland/notify
 github.com/coreos/go-systemd/activation
@@ -722,7 +758,7 @@
 github.com/maximbaz/yubikey-touch-detector/detector
 github.com/maximbaz/yubikey-touch-detector
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 42 github.com/maximbaz/yubikey-touch-detector github.com/maximbaz/yubikey-touch-detector/detector github.com/maximbaz/yubikey-touch-detector/notifier
+	cd _build && go test -vet=off -v -p 20 github.com/maximbaz/yubikey-touch-detector github.com/maximbaz/yubikey-touch-detector/detector github.com/maximbaz/yubikey-touch-detector/notifier
 ?   	github.com/maximbaz/yubikey-touch-detector	[no test files]
 ?   	github.com/maximbaz/yubikey-touch-detector/detector	[no test files]
 ?   	github.com/maximbaz/yubikey-touch-detector/notifier	[no test files]
@@ -756,8 +792,8 @@
 dpkg-gencontrol: warning: package yubikey-touch-detector: substitution variable ${misc:Static-Built-Using} unused, but is defined
    dh_md5sums -O--builddirectory=_build -O--buildsystem=golang
    dh_builddeb -O--builddirectory=_build -O--buildsystem=golang
-dpkg-deb: building package 'yubikey-touch-detector' in '../yubikey-touch-detector_1.12.5-1_amd64.deb'.
 dpkg-deb: building package 'yubikey-touch-detector-dbgsym' in '../yubikey-touch-detector-dbgsym_1.12.5-1_amd64.deb'.
+dpkg-deb: building package 'yubikey-touch-detector' in '../yubikey-touch-detector_1.12.5-1_amd64.deb'.
  dpkg-genbuildinfo --build=binary -O../yubikey-touch-detector_1.12.5-1_amd64.buildinfo
  dpkg-genchanges --build=binary -O../yubikey-touch-detector_1.12.5-1_amd64.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -765,12 +801,14 @@
 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/3957200/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3957200/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/1989093 and its subdirectories
-I: Current time: Tue Mar  3 08:20:43 -12 2026
-I: pbuilder-time-stamp: 1772569243
+I: removing directory /srv/workspace/pbuilder/3957200 and its subdirectories
+I: Current time: Thu Jan 30 04:08:28 +14 2025
+I: pbuilder-time-stamp: 1738159708