Diff of the two buildlogs:

--
--- b1/build.log	2025-03-20 11:21:28.557207323 +0000
+++ b2/build.log	2025-03-20 11:24:39.672656831 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Mar 19 23:18:49 -12 2025
-I: pbuilder-time-stamp: 1742469529
+I: Current time: Thu Apr 23 07:44:53 +14 2026
+I: pbuilder-time-stamp: 1776879893
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -23,54 +23,86 @@
 dpkg-source: info: unpacking senpai_0.4.0-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/51505/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/92925/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos6-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 22 17:45 /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/92925/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/92925/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='81863f95d90745b7b3bfdfde94c13339'
-  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='51505'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=93c60d2dd8974fc7824a19629546731f
+  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=92925
   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.l8Sd0Yae/pbuilderrc_LdC9 --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.l8Sd0Yae/b1 --logfile b1/build.log senpai_0.4.0-1.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.l8Sd0Yae/pbuilderrc_8Iwq --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.l8Sd0Yae/b2 --logfile b2/build.log senpai_0.4.0-1.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 ionos2-i386 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/51505/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/92925/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -189,7 +221,7 @@
 Get: 57 http://deb.debian.org/debian unstable/main i386 golang-mvdan-xurls-dev all 2.5.0-1 [16.3 kB]
 Get: 58 http://deb.debian.org/debian unstable/main i386 golang-sourcehut-rockorager-vaxis-dev all 0.13.0-1 [86.3 kB]
 Get: 59 http://deb.debian.org/debian unstable/main i386 scdoc i386 1.11.3-1 [15.0 kB]
-Fetched 82.1 MB in 2s (49.4 MB/s)
+Fetched 82.1 MB in 2s (38.4 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 ... 19770 files and directories currently installed.)
@@ -440,7 +472,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/senpai-0.4.0/ && 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  > ../senpai_0.4.0-1_source.changes
+I: user script /srv/workspace/pbuilder/92925/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/92925/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/senpai-0.4.0/ && 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  > ../senpai_0.4.0-1_source.changes
 dpkg-buildpackage: info: source package senpai
 dpkg-buildpackage: info: source version 0.4.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -458,224 +494,224 @@
    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 11 git.sr.ht/\~delthas/senpai git.sr.ht/\~delthas/senpai/cmd/senpai git.sr.ht/\~delthas/senpai/events git.sr.ht/\~delthas/senpai/irc git.sr.ht/\~delthas/senpai/ui
-internal/goarch
+	cd _build && go install -trimpath -v -p 21 git.sr.ht/\~delthas/senpai git.sr.ht/\~delthas/senpai/cmd/senpai git.sr.ht/\~delthas/senpai/events git.sr.ht/\~delthas/senpai/irc git.sr.ht/\~delthas/senpai/ui
 internal/godebugs
+internal/goarch
+internal/unsafeheader
+encoding
 internal/coverage/rtcov
-internal/asan
+cmp
+container/list
+unicode/utf8
 internal/goos
-internal/unsafeheader
-internal/goexperiment
-internal/byteorder
 internal/profilerecord
-internal/runtime/atomic
-internal/cpu
+internal/byteorder
+internal/asan
 internal/msan
-internal/runtime/math
-internal/runtime/sys
-sync/atomic
-internal/runtime/syscall
-internal/abi
-math/bits
-unicode/utf8
-unicode
-internal/chacha8rand
-encoding
-cmp
 internal/itoa
-container/list
 crypto/internal/fips140/alias
-crypto/internal/fips140deps/byteorder
-crypto/internal/boring/sig
+unicode
+math/bits
+internal/goexperiment
+internal/runtime/math
 unicode/utf16
-math
-vendor/golang.org/x/crypto/internal/alias
 vendor/golang.org/x/crypto/cryptobyte/asn1
-internal/runtime/exithook
+crypto/internal/boring/sig
+vendor/golang.org/x/crypto/internal/alias
 internal/nettrace
-internal/bytealg
-crypto/internal/fips140deps/cpu
 log/internal
 image/color
 golang.org/x/image/math/f64
-github.com/rivo/uniseg
+internal/abi
+internal/runtime/syscall
+internal/runtime/atomic
+internal/runtime/sys
+internal/cpu
+sync/atomic
+internal/chacha8rand
+crypto/internal/fips140deps/byteorder
+math
 image/color/palette
+github.com/rivo/uniseg
+internal/runtime/exithook
+internal/bytealg
+crypto/internal/fips140deps/cpu
 internal/stringslite
 internal/race
 internal/sync
 internal/runtime/maps
 runtime
+weak
+crypto/internal/fips140/subtle
+iter
 internal/reflectlite
 sync
-iter
-crypto/internal/fips140/subtle
-weak
 maps
 slices
 crypto/subtle
-internal/bisect
+errors
 internal/testlog
 internal/singleflight
-errors
+internal/bisect
 unique
 sort
-runtime/cgo
-io
 internal/oserror
+io
 path
-strconv
-math/rand/v2
 vendor/golang.org/x/net/dns/dnsmessage
+math/rand/v2
+strconv
 syscall
+internal/godebug
+runtime/cgo
 bytes
 strings
-internal/godebug
 hash
 crypto/internal/randutil
 container/heap
 hash/adler32
-hash/crc32
 hash/fnv
-crypto
-reflect
-vendor/golang.org/x/text/transform
-net/netip
+hash/crc32
 crypto/internal/fips140deps/godebug
 math/rand
-crypto/internal/impl
+crypto
+net/netip
 bufio
+reflect
 crypto/internal/fips140
 net/http/internal/ascii
+vendor/golang.org/x/text/transform
+crypto/internal/impl
 regexp/syntax
 html
-crypto/internal/fips140/sha256
+crypto/tls/internal/fips140tls
 crypto/internal/fips140/sha512
+crypto/internal/fips140/sha256
 crypto/internal/fips140/sha3
-crypto/tls/internal/fips140tls
-image
-internal/syscall/execenv
 internal/syscall/unix
+internal/syscall/execenv
+image
 time
 crypto/sha3
 crypto/internal/fips140/hmac
 crypto/internal/fips140/check
 crypto/internal/fips140hash
-crypto/internal/fips140/edwards25519/field
+regexp
+crypto/internal/fips140/hkdf
+crypto/internal/fips140/tls12
 crypto/internal/fips140/bigmod
 crypto/internal/fips140/aes
+crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/nistec/fiat
-crypto/internal/fips140/hkdf
-crypto/internal/fips140/tls12
 crypto/internal/fips140/tls13
-crypto/internal/fips140/edwards25519
 git.sr.ht/~rockorager/vaxis/octreequant
 image/internal/imageutil
 github.com/soniakeys/quant/internal
 image/draw
 image/jpeg
-regexp
+crypto/internal/fips140/edwards25519
 github.com/soniakeys/quant
 golang.org/x/image/draw
-github.com/soniakeys/quant/median
+mvdan.cc/xurls
 context
 io/fs
 internal/poll
-mvdan.cc/xurls
+github.com/soniakeys/quant/median
+internal/fmtsort
+encoding/binary
 golang.org/x/net/context
 internal/filepathlite
 embed
-os
-github.com/delthas/go-localeinfo
-crypto/internal/fips140/nistec
-internal/fmtsort
-encoding/binary
-vendor/golang.org/x/crypto/internal/poly1305
 encoding/base64
+vendor/golang.org/x/crypto/internal/poly1305
 golang.org/x/image/bmp
 golang.org/x/image/ccitt
-golang.org/x/sys/unix
+os
 encoding/pem
-fmt
-crypto/internal/sysrand
-path/filepath
+golang.org/x/sys/unix
+github.com/delthas/go-localeinfo
+crypto/internal/fips140/nistec
 io/ioutil
+crypto/internal/sysrand
 github.com/mattn/go-runewidth
 os/signal
-net
+fmt
+path/filepath
 crypto/internal/entropy
 crypto/internal/fips140/drbg
-crypto/internal/fips140/aes/gcm
-crypto/internal/fips140only
-crypto/internal/fips140/ecdh
-crypto/internal/fips140/ecdsa
+net
+os/exec
 crypto/internal/fips140/ed25519
+crypto/internal/fips140only
 crypto/internal/fips140/mlkem
 crypto/internal/fips140/rsa
-crypto/md5
+crypto/internal/fips140/aes/gcm
 crypto/rc4
+crypto/md5
 crypto/cipher
-os/exec
-crypto/internal/boring
-crypto/des
-vendor/golang.org/x/crypto/chacha20
-encoding/hex
-net/url
 codeberg.org/emersion/go-scfg
-encoding/json
-math/big
-crypto/aes
-crypto/ecdh
-crypto/sha512
-crypto/hmac
-vendor/golang.org/x/crypto/chacha20poly1305
-crypto/sha1
-crypto/sha256
-git.sr.ht/~rockorager/vaxis/ansi
+net/url
 log
+encoding/hex
 git.sr.ht/~rockorager/vaxis/sixel
-compress/flate
-golang.org/x/time/rate
-git.sr.ht/~rockorager/vaxis/log
 golang.org/x/image/tiff/lzw
-os/user
+git.sr.ht/~rockorager/vaxis/ansi
+encoding/json
+compress/flate
 compress/lzw
+golang.org/x/time/rate
 mime
-vendor/golang.org/x/text/unicode/bidi
-vendor/golang.org/x/text/unicode/norm
+os/user
 vendor/golang.org/x/net/http2/hpack
-image/gif
+vendor/golang.org/x/text/unicode/norm
+math/big
 mime/quotedprintable
 net/http/internal
+crypto/internal/boring
+crypto/des
+git.sr.ht/~rockorager/vaxis/log
+vendor/golang.org/x/crypto/chacha20
+crypto/sha512
 runtime/debug
+crypto/aes
+crypto/hmac
+vendor/golang.org/x/text/unicode/bidi
+crypto/sha256
 flag
+image/gif
+crypto/sha1
+crypto/internal/fips140/ecdh
+crypto/internal/fips140/ecdsa
+vendor/golang.org/x/crypto/chacha20poly1305
+crypto/ecdh
 compress/zlib
+compress/gzip
 image/png
 golang.org/x/image/tiff
-compress/gzip
 vendor/golang.org/x/text/secure/bidirule
+github.com/containerd/console
 github.com/disintegration/imaging
-crypto/elliptic
+git.sr.ht/~rockorager/vaxis
 crypto/internal/boring/bbig
-encoding/asn1
-crypto/rand
 crypto/dsa
+crypto/rand
+encoding/asn1
+crypto/elliptic
 crypto/ed25519
-crypto/internal/hpke
 crypto/rsa
-github.com/containerd/console
+crypto/internal/hpke
 vendor/golang.org/x/net/idna
-git.sr.ht/~rockorager/vaxis
-vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
+vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
-git.sr.ht/~delthas/senpai/events
 git.sr.ht/~rockorager/vaxis/widgets/align
+git.sr.ht/~delthas/senpai/events
+vendor/golang.org/x/net/http/httpproxy
 golang.org/x/net/internal/socks
-github.com/godbus/dbus
 net/textproto
-vendor/golang.org/x/net/http/httpproxy
-git.sr.ht/~delthas/senpai/irc
 crypto/x509
+git.sr.ht/~delthas/senpai/irc
+github.com/godbus/dbus
 golang.org/x/net/proxy
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
@@ -687,7 +723,7 @@
 git.sr.ht/~delthas/senpai
 git.sr.ht/~delthas/senpai/cmd/senpai
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 11 git.sr.ht/\~delthas/senpai git.sr.ht/\~delthas/senpai/cmd/senpai git.sr.ht/\~delthas/senpai/events git.sr.ht/\~delthas/senpai/irc git.sr.ht/\~delthas/senpai/ui
+	cd _build && go test -vet=off -v -p 21 git.sr.ht/\~delthas/senpai git.sr.ht/\~delthas/senpai/cmd/senpai git.sr.ht/\~delthas/senpai/events git.sr.ht/\~delthas/senpai/irc git.sr.ht/\~delthas/senpai/ui
 ?   	git.sr.ht/~delthas/senpai	[no test files]
 ?   	git.sr.ht/~delthas/senpai/cmd/senpai	[no test files]
 ?   	git.sr.ht/~delthas/senpai/events	[no test files]
@@ -709,7 +745,7 @@
 === RUN   TestIRCString
 --- PASS: TestIRCString (0.00s)
 PASS
-ok  	git.sr.ht/~delthas/senpai/ui	0.026s
+ok  	git.sr.ht/~delthas/senpai/ui	0.038s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -744,8 +780,8 @@
    dh_gencontrol -O--builddirectory=_build -O--buildsystem=golang
    dh_md5sums -O--builddirectory=_build -O--buildsystem=golang
    dh_builddeb -O--builddirectory=_build -O--buildsystem=golang
-dpkg-deb: building package 'senpai' in '../senpai_0.4.0-1_i386.deb'.
 dpkg-deb: building package 'senpai-dbgsym' in '../senpai-dbgsym_0.4.0-1_i386.deb'.
+dpkg-deb: building package 'senpai' in '../senpai_0.4.0-1_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../senpai_0.4.0-1_i386.buildinfo
  dpkg-genchanges --build=binary -O../senpai_0.4.0-1_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -753,12 +789,14 @@
 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/92925/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/92925/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/51505 and its subdirectories
-I: Current time: Wed Mar 19 23:21:27 -12 2025
-I: pbuilder-time-stamp: 1742469687
+I: removing directory /srv/workspace/pbuilder/92925 and its subdirectories
+I: Current time: Thu Apr 23 07:47:34 +14 2026
+I: pbuilder-time-stamp: 1776880054