Diff of the two buildlogs:

--
--- b1/build.log	2025-03-23 00:36:22.174338998 +0000
+++ b2/build.log	2025-03-23 00:46:42.038459362 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Mar 22 12:31:16 -12 2025
-I: pbuilder-time-stamp: 1742689876
+I: Current time: Sat Apr 25 20:59:24 +14 2026
+I: pbuilder-time-stamp: 1777100364
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -24,52 +24,84 @@
 dpkg-source: info: applying 0001-Workaround-shellescape-package-name-change.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2920935/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1159627/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos5-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 Apr 25 06:59 /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/1159627/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1159627/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=20 '
-  DISTRIBUTION='unstable'
-  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=42 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='ddef77b022e34e39a4f5a251196b02d1'
-  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='2920935'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=7e8e4f40cc974921b8ef89810511e8f4
+  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=1159627
   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.tMaJrvtg/pbuilderrc_VfpE --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.tMaJrvtg/b1 --logfile b1/build.log debos_1.1.5-1.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  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.tMaJrvtg/pbuilderrc_nG2b --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.tMaJrvtg/b2 --logfile b2/build.log debos_1.1.5-1.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://213.165.73.152:3128
 I: uname -a
-  Linux ionos11-amd64 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 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) 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/2920935/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1159627/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -287,7 +319,7 @@
 Get: 154 http://deb.debian.org/debian unstable/main amd64 libyaml-0-2 amd64 0.2.5-2 [52.5 kB]
 Get: 155 http://deb.debian.org/debian unstable/main amd64 pandoc-data all 3.1.11.1-3 [459 kB]
 Get: 156 http://deb.debian.org/debian unstable/main amd64 pandoc amd64 3.1.11.1+ds-2 [26.4 MB]
-Fetched 164 MB in 4s (46.5 MB/s)
+Fetched 164 MB in 9s (17.5 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:amd64.
 (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 ... 19807 files and directories currently installed.)
@@ -806,8 +838,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Mar 23 00:34:15 UTC 2025.
-Universal Time is now:  Sun Mar 23 00:34:15 UTC 2025.
+Local time is now:      Sat Apr 25 07:02:24 UTC 2026.
+Universal Time is now:  Sat Apr 25 07:02:24 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up golang-github-cespare-xxhash-dev (2.3.0-1) ...
@@ -939,7 +971,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/debos-1.1.5/ && 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  > ../debos_1.1.5-1_source.changes
+I: user script /srv/workspace/pbuilder/1159627/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1159627/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/debos-1.1.5/ && 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  > ../debos_1.1.5-1_source.changes
 dpkg-buildpackage: info: source package debos
 dpkg-buildpackage: info: source version 1.1.5-1
 dpkg-buildpackage: info: source distribution unstable
@@ -963,210 +999,210 @@
    debian/rules override_dh_auto_build
 make[1]: Entering directory '/build/reproducible-path/debos-1.1.5'
 dh_auto_build
-	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 20 github.com/go-debos/debos github.com/go-debos/debos/actions github.com/go-debos/debos/cmd/debos
-math/bits
-internal/unsafeheader
+	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 42 github.com/go-debos/debos github.com/go-debos/debos/actions github.com/go-debos/debos/cmd/debos
+container/list
 internal/profilerecord
-internal/msan
-cmp
+vendor/golang.org/x/crypto/cryptobyte/asn1
+github.com/klauspost/compress/internal/le
+vendor/golang.org/x/crypto/internal/alias
+encoding
+internal/asan
+internal/coverage/rtcov
+unicode/utf16
 internal/itoa
-internal/goos
-internal/cpu
-internal/goarch
-sync/atomic
+log/internal
+cmp
 crypto/internal/fips140/alias
-internal/coverage/rtcov
-internal/runtime/atomic
-crypto/internal/boring/sig
-internal/goexperiment
-internal/godebugs
+github.com/ulikunitz/xz/internal/hash
 unicode/utf8
-github.com/klauspost/compress/internal/cpuinfo
-github.com/klauspost/compress/internal/le
+internal/goarch
 internal/byteorder
-log/internal
-internal/runtime/syscall
-internal/asan
-github.com/ulikunitz/xz/internal/hash
-internal/runtime/math
+internal/nettrace
+internal/goos
+internal/godebugs
+math/bits
+internal/msan
+internal/unsafeheader
+internal/goexperiment
 unicode
-internal/abi
+internal/runtime/math
+internal/cpu
+crypto/internal/boring/sig
 internal/runtime/sys
-container/list
+internal/runtime/atomic
+internal/runtime/syscall
+sync/atomic
+github.com/klauspost/compress/internal/cpuinfo
+internal/abi
 crypto/internal/fips140/subtle
-unicode/utf16
-vendor/golang.org/x/crypto/cryptobyte/asn1
-internal/nettrace
-vendor/golang.org/x/crypto/internal/alias
-internal/chacha8rand
 crypto/internal/fips140deps/byteorder
-encoding
+internal/chacha8rand
 crypto/internal/fips140deps/cpu
 internal/bytealg
-math
 internal/runtime/exithook
-internal/race
+math
 internal/stringslite
-internal/runtime/maps
+internal/race
 internal/sync
+internal/runtime/maps
 github.com/klauspost/compress
 runtime
+iter
 crypto/subtle
-weak
 internal/reflectlite
-iter
+weak
 sync
 maps
 slices
-errors
-sort
-internal/bisect
 internal/singleflight
 internal/testlog
 unique
+internal/bisect
+sort
+errors
 runtime/cgo
-io
 internal/oserror
 path
 math/rand/v2
 vendor/golang.org/x/net/dns/dnsmessage
+io
 strconv
-syscall
 internal/godebug
-crypto/internal/randutil
+syscall
+crypto/internal/fips140deps/godebug
 hash
-strings
 bytes
-hash/crc64
-hash/adler32
-hash/crc32
-crypto
-net/netip
 encoding/base32
-reflect
-crypto/internal/fips140deps/godebug
+strings
+crypto/internal/randutil
+net/netip
 math/rand
+reflect
+crypto
+hash/crc64
+hash/crc32
+hash/adler32
 crypto/internal/impl
-bufio
-vendor/golang.org/x/text/transform
 net/http/internal/ascii
-regexp/syntax
-html
 crypto/internal/fips140
+html
+regexp/syntax
+internal/syscall/execenv
+internal/syscall/unix
+time
+bufio
+vendor/golang.org/x/text/transform
 crypto/internal/fips140/sha256
-crypto/internal/fips140/sha3
 crypto/tls/internal/fips140tls
 crypto/internal/fips140/sha512
-internal/syscall/unix
-time
-internal/syscall/execenv
+crypto/internal/fips140/sha3
 crypto/internal/fips140/hmac
 crypto/sha3
 crypto/internal/fips140/check
 crypto/internal/fips140hash
-regexp
-crypto/internal/fips140/aes
-crypto/internal/fips140/edwards25519/field
-crypto/internal/fips140/bigmod
 crypto/internal/fips140/hkdf
+crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/tls12
+crypto/internal/fips140/aes
+crypto/internal/fips140/bigmod
 crypto/internal/fips140/nistec/fiat
 crypto/internal/fips140/tls13
 crypto/internal/fips140/edwards25519
-github.com/alessio/shellescape
-context
 io/fs
+context
 internal/poll
+regexp
 internal/filepathlite
-crypto/internal/fips140/nistec
 os
+github.com/alessio/shellescape
+crypto/internal/fips140/nistec
 internal/fmtsort
 encoding/binary
-github.com/cespare/xxhash
-github.com/klauspost/compress/internal/snapref
-vendor/golang.org/x/crypto/internal/poly1305
-encoding/base64
-golang.org/x/sys/unix
-encoding/pem
 crypto/internal/sysrand
 io/ioutil
-fmt
 path/filepath
 vendor/golang.org/x/sys/cpu
+fmt
 net
 crypto/internal/entropy
 crypto/internal/fips140/drbg
-crypto/internal/fips140/aes/gcm
-crypto/internal/fips140only
-crypto/internal/fips140/ecdh
 crypto/internal/fips140/ed25519
-crypto/internal/fips140/mlkem
-crypto/internal/fips140/ecdsa
 crypto/internal/fips140/rsa
+crypto/internal/fips140only
+crypto/internal/fips140/aes/gcm
+crypto/internal/fips140/mlkem
 os/exec
-crypto/md5
 crypto/rc4
+crypto/md5
+github.com/cespare/xxhash
+encoding/base64
+github.com/klauspost/compress/internal/snapref
+vendor/golang.org/x/crypto/internal/poly1305
+golang.org/x/sys/unix
+crypto/internal/fips140/ecdsa
+crypto/internal/fips140/ecdh
 crypto/cipher
-github.com/surma/gocpio
+encoding/pem
 encoding/hex
-compress/flate
-math/big
+github.com/surma/gocpio
+crypto/internal/boring
 log
-github.com/klauspost/compress/fse
 github.com/ulikunitz/xz/internal/xlog
+mime/quotedprintable
 net/url
+github.com/klauspost/compress/fse
 runtime/debug
-text/template/parse
-vendor/golang.org/x/net/http2/hpack
-mime/quotedprintable
-net/http/internal
+crypto/des
 mime
+net/http/internal
 github.com/docker/go-units
-vendor/golang.org/x/text/unicode/norm
-crypto/internal/boring
-crypto/des
 vendor/golang.org/x/crypto/chacha20
-github.com/go-debos/fakemachine/cpio
-encoding/json
-database/sql/driver
 github.com/sjoerdsimons/ostree-go/pkg/glibobject
+database/sql/driver
+text/template/parse
+compress/flate
+vendor/golang.org/x/net/http2/hpack
+encoding/json
+github.com/jessevdk/go-flags
+math/big
+vendor/golang.org/x/text/unicode/norm
+gopkg.in/yaml.v2
 crypto/sha256
+github.com/go-debos/fakemachine/cpio
 crypto/aes
-crypto/ecdh
 crypto/sha512
-github.com/ulikunitz/xz/lzma
+crypto/ecdh
 crypto/hmac
 crypto/sha1
-vendor/golang.org/x/text/unicode/bidi
-gopkg.in/yaml.v2
 vendor/golang.org/x/crypto/chacha20poly1305
-github.com/jessevdk/go-flags
+vendor/golang.org/x/text/unicode/bidi
 github.com/klauspost/compress/huff0
-compress/gzip
+github.com/ulikunitz/xz/lzma
 vendor/golang.org/x/text/secure/bidirule
-text/template
+compress/gzip
 vendor/golang.org/x/net/idna
 github.com/ulikunitz/xz
+text/template
+github.com/freddierice/go-losetup
 crypto/rand
-crypto/elliptic
 crypto/internal/boring/bbig
 crypto/dsa
+crypto/elliptic
 encoding/asn1
 crypto/ed25519
 crypto/internal/hpke
 crypto/rsa
 github.com/klauspost/compress/zstd
-github.com/freddierice/go-losetup
 crypto/x509/pkix
-vendor/golang.org/x/crypto/cryptobyte
 html/template
+vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
 github.com/go-debos/fakemachine
-net/textproto
 vendor/golang.org/x/net/http/httpproxy
-crypto/x509
+net/textproto
 github.com/go-task/slim-sprig
 github.com/google/uuid
+crypto/x509
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
 crypto/tls
@@ -1224,12 +1260,14 @@
 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/1159627/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1159627/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/2920935 and its subdirectories
-I: Current time: Sat Mar 22 12:36:21 -12 2025
-I: pbuilder-time-stamp: 1742690181
+I: removing directory /srv/workspace/pbuilder/1159627 and its subdirectories
+I: Current time: Sat Apr 25 21:09:40 +14 2026
+I: pbuilder-time-stamp: 1777100980