Diff of the two buildlogs:

--
--- b1/build.log	2025-01-02 11:31:23.562265609 +0000
+++ b2/build.log	2025-01-02 11:32:38.958834236 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Jan  1 23:29:37 -12 2025
-I: pbuilder-time-stamp: 1735817377
+I: Current time: Thu Feb  5 07:54:27 +14 2026
+I: pbuilder-time-stamp: 1770227667
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -26,54 +26,86 @@
 dpkg-source: info: applying websocket.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/43879/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/8954/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 Feb  4 17:54 /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/8954/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/8954/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='a97baead5fe24374833b3b1cddc66932'
-  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='43879'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=20639bab67ba4b98a9b5b493a4b7a520
+  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=8954
   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.S44spu7t/pbuilderrc_vLbK --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.S44spu7t/b1 --logfile b1/build.log cam2ip_1.6-4.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.S44spu7t/pbuilderrc_LAr7 --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.S44spu7t/b2 --logfile b2/build.log cam2ip_1.6-4.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 ionos12-i386 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/43879/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/8954/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -220,7 +252,7 @@
 Get: 91 http://deb.debian.org/debian unstable/main i386 golang-github-gin-contrib-sse-dev all 0.1.0-2 [6872 B]
 Get: 92 http://deb.debian.org/debian unstable/main i386 golang-github-gin-gonic-gin-dev all 1.8.1-2 [107 kB]
 Get: 93 http://deb.debian.org/debian unstable/main i386 golang-nhooyr-websocket-dev all 1.8.12-4 [42.4 kB]
-Fetched 115 MB in 2s (76.6 MB/s)
+Fetched 115 MB in 2s (66.3 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package tzdata.
 (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 ... 19840 files and directories currently installed.)
@@ -532,8 +564,8 @@
 Setting up tzdata (2024b-4) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Jan  2 11:30:26 UTC 2025.
-Universal Time is now:  Thu Jan  2 11:30:26 UTC 2025.
+Local time is now:      Wed Feb  4 17:55:05 UTC 2026.
+Universal Time is now:  Wed Feb  4 17:55:05 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up golang-github-cespare-xxhash-dev (2.3.0-1) ...
@@ -613,7 +645,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/cam2ip-1.6/ && 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  > ../cam2ip_1.6-4_source.changes
+I: user script /srv/workspace/pbuilder/8954/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/8954/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/cam2ip-1.6/ && 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  > ../cam2ip_1.6-4_source.changes
 dpkg-buildpackage: info: source package cam2ip
 dpkg-buildpackage: info: source version 1.6-4
 dpkg-buildpackage: info: source distribution unstable
@@ -631,126 +667,126 @@
    dh_autoreconf -O--buildsystem=golang -O--builddirectory=_build
    dh_auto_configure -O--buildsystem=golang -O--builddirectory=_build
    dh_auto_build -O--buildsystem=golang -O--builddirectory=_build
-	cd _build && go install -trimpath -v -p 11 github.com/gen2brain/cam2ip/cmd/cam2ip
+	cd _build && go install -trimpath -v -p 21 github.com/gen2brain/cam2ip/cmd/cam2ip
+internal/asan
+math/bits
+internal/itoa
+internal/race
+internal/msan
+internal/coverage/rtcov
+internal/runtime/syscall
 encoding
+cmp
 internal/goarch
+unicode/utf8
 internal/unsafeheader
-internal/coverage/rtcov
-internal/goos
 internal/byteorder
-internal/godebugs
-cmp
+unicode
+internal/goos
 internal/profilerecord
-runtime/internal/math
-internal/goexperiment
-internal/cpu
-runtime/internal/sys
-internal/runtime/syscall
 internal/runtime/atomic
-internal/itoa
-internal/abi
-internal/race
-math/bits
-unicode/utf8
-internal/chacha8rand
+internal/godebugs
+internal/goexperiment
 sync/atomic
-unicode
-internal/asan
-internal/msan
+internal/cpu
 image/color
 github.com/korandiz/v4l/fmt/mjpeg
 crypto/internal/alias
+container/list
 crypto/internal/boring/sig
 unicode/utf16
-container/list
-math
+internal/abi
+runtime/internal/math
 vendor/golang.org/x/crypto/cryptobyte/asn1
 vendor/golang.org/x/crypto/internal/alias
-image/color/palette
-internal/runtime/exithook
-internal/bytealg
 internal/nettrace
+runtime/internal/sys
 log/internal
 github.com/coder/websocket/internal/util
+internal/chacha8rand
+math
+image/color/palette
+internal/bytealg
+internal/runtime/exithook
 internal/stringslite
 runtime
 iter
 internal/reflectlite
-crypto/subtle
 internal/weak
+crypto/subtle
 sync
 maps
 slices
-internal/bisect
-internal/singleflight
 internal/testlog
+internal/singleflight
+internal/bisect
 runtime/cgo
-internal/godebug
 errors
 sort
+internal/godebug
 internal/oserror
-io
 path
+io
+crypto/internal/edwards25519/field
 vendor/golang.org/x/net/dns/dnsmessage
-math/rand
 math/rand/v2
 strconv
-crypto/internal/edwards25519/field
 crypto/internal/nistec/fiat
 syscall
-crypto/internal/edwards25519
-internal/concurrent
+crypto/internal/randutil
 hash
-strings
+math/rand
 bytes
-crypto/internal/randutil
-hash/adler32
-hash/crc32
-unique
+strings
+crypto/internal/edwards25519
+crypto
 github.com/pbnjay/pixfont
-crypto/cipher
+internal/concurrent
+crypto/rc4
+hash/adler32
+golang.org/x/crypto/blowfish
 vendor/golang.org/x/text/transform
-bufio
-net/http/internal/ascii
-crypto
+crypto/cipher
+hash/crc32
 reflect
-golang.org/x/crypto/blowfish
-crypto/rc4
-net/netip
-crypto/md5
+net/http/internal/ascii
+bufio
 regexp/syntax
+crypto/md5
+unique
 crypto/internal/boring
 crypto/des
-image
 crypto/sha1
-crypto/aes
-crypto/sha512
 crypto/hmac
-vendor/golang.org/x/crypto/hkdf
+crypto/sha512
+crypto/aes
 crypto/sha256
-image/internal/imageutil
-github.com/gen2brain/cam2ip/reader
-image/draw
-image/jpeg
-internal/syscall/unix
+net/netip
+image
+vendor/golang.org/x/crypto/hkdf
 internal/syscall/execenv
+internal/syscall/unix
 time
 regexp
+github.com/gen2brain/cam2ip/reader
+image/internal/imageutil
+image/draw
+image/jpeg
 crypto/internal/nistec
-io/fs
 context
+io/fs
 internal/poll
 crypto/ecdh
-internal/fmtsort
-encoding/binary
 golang.org/x/net/context
 internal/filepathlite
+internal/fmtsort
+encoding/binary
 os
 golang.org/x/image/bmp
+vendor/golang.org/x/crypto/internal/poly1305
 encoding/base64
 vendor/golang.org/x/crypto/chacha20
 golang.org/x/image/ccitt
-vendor/golang.org/x/crypto/internal/poly1305
 vendor/golang.org/x/crypto/chacha20poly1305
 encoding/pem
 io/ioutil
@@ -761,40 +797,40 @@
 vendor/golang.org/x/crypto/sha3
 github.com/korandiz/v4l
 golang.org/x/image/tiff/lzw
-encoding/hex
-flag
+encoding/csv
+github.com/coder/websocket/internal/errd
 compress/lzw
+flag
+mime
+encoding/hex
+net/url
+mime/quotedprintable
+net/http/internal
 log
 github.com/antonini/golibjpegturbo
-net/url
+vendor/golang.org/x/net/http2/hpack
 compress/flate
-encoding/csv
+runtime/debug
+text/template/parse
 math/big
 vendor/golang.org/x/text/unicode/norm
-vendor/golang.org/x/net/http2/hpack
-mime
 image/gif
 vendor/golang.org/x/text/unicode/bidi
-mime/quotedprintable
-net/http/internal
+github.com/coder/websocket/internal/xsync
 compress/zlib
 compress/gzip
-github.com/coder/websocket/internal/errd
-runtime/debug
-text/template/parse
 golang.org/x/image/tiff
 image/png
+text/template
 vendor/golang.org/x/text/secure/bidirule
-github.com/coder/websocket/internal/xsync
 github.com/disintegration/imaging
 vendor/golang.org/x/net/idna
-text/template
+crypto/internal/boring/bbig
 crypto/rand
 crypto/elliptic
 crypto/internal/bigmod
-crypto/internal/boring/bbig
-crypto/dsa
 encoding/asn1
+crypto/dsa
 golang.org/x/crypto/bcrypt
 crypto/internal/hpke
 crypto/ed25519
@@ -805,10 +841,10 @@
 crypto/ecdsa
 github.com/gen2brain/cam2ip/image
 github.com/gen2brain/cam2ip/camera
-net/textproto
 vendor/golang.org/x/net/http/httpproxy
-crypto/x509
+net/textproto
 github.com/spf13/pflag
+crypto/x509
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
 crypto/tls
@@ -822,7 +858,7 @@
 github.com/gen2brain/cam2ip/server
 github.com/gen2brain/cam2ip/cmd/cam2ip
    dh_auto_test -O--buildsystem=golang -O--builddirectory=_build
-	cd _build && go test -vet=off -v -p 11 github.com/gen2brain/cam2ip/cmd/cam2ip
+	cd _build && go test -vet=off -v -p 21 github.com/gen2brain/cam2ip/cmd/cam2ip
 ?   	github.com/gen2brain/cam2ip/cmd/cam2ip	[no test files]
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang -O--builddirectory=_build
@@ -850,8 +886,8 @@
 dpkg-gencontrol: warning: package cam2ip: substitution variable ${misc:Static-Built-Using} unused, but is defined
    dh_md5sums -O--buildsystem=golang -O--builddirectory=_build
    dh_builddeb -O--buildsystem=golang -O--builddirectory=_build
-dpkg-deb: building package 'cam2ip-dbgsym' in '../cam2ip-dbgsym_1.6-4_i386.deb'.
 dpkg-deb: building package 'cam2ip' in '../cam2ip_1.6-4_i386.deb'.
+dpkg-deb: building package 'cam2ip-dbgsym' in '../cam2ip-dbgsym_1.6-4_i386.deb'.
  dpkg-genbuildinfo --build=binary -O../cam2ip_1.6-4_i386.buildinfo
  dpkg-genchanges --build=binary -O../cam2ip_1.6-4_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -859,12 +895,14 @@
 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/8954/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/8954/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/43879 and its subdirectories
-I: Current time: Wed Jan  1 23:31:22 -12 2025
-I: pbuilder-time-stamp: 1735817482
+I: removing directory /srv/workspace/pbuilder/8954 and its subdirectories
+I: Current time: Thu Feb  5 07:55:37 +14 2026
+I: pbuilder-time-stamp: 1770227737