Diff of the two buildlogs:

--
--- b1/build.log	2024-10-24 13:15:03.677971540 +0000
+++ b2/build.log	2024-10-24 13:16:57.597894578 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Oct 24 01:13:40 -12 2024
-I: pbuilder-time-stamp: 1729775620
+I: Current time: Thu Nov 27 09:38:04 +14 2025
+I: pbuilder-time-stamp: 1764185884
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -26,52 +26,84 @@
 dpkg-source: info: unpacking golang-github-antchfx-jsonquery_1.3.5-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/607745/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2233456/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 Nov 26 19:38 /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/2233456/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2233456/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='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]="32" [3]="1" [4]="release" [5]="x86_64-pc-linux-gnu")
+  BASH_VERSION='5.2.32(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=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='3a44f90fd1424f95b62fd4e659ce9cd2'
-  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='607745'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=7dab396e26cc4d568263e7275076d664
+  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=2233456
   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.Qu4HNx8Y/pbuilderrc_EL1G --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.Qu4HNx8Y/b1 --logfile b1/build.log golang-github-antchfx-jsonquery_1.3.5-1.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.Qu4HNx8Y/pbuilderrc_Dhw9 --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.Qu4HNx8Y/b2 --logfile b2/build.log golang-github-antchfx-jsonquery_1.3.5-1.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 6.1.0-26-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.112-1 (2024-09-30) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.10.11+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.10.11-1~bpo12+1 (2024-10-03) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Aug  4 21:30 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/607745/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Aug  4  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2233456/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -160,7 +192,7 @@
 Get: 41 http://deb.debian.org/debian trixie/main amd64 golang-github-stretchr-objx-dev all 0.5.2-1 [25.5 kB]
 Get: 42 http://deb.debian.org/debian trixie/main amd64 golang-gopkg-yaml.v3-dev all 3.0.1-3 [74.3 kB]
 Get: 43 http://deb.debian.org/debian trixie/main amd64 golang-github-stretchr-testify-dev all 1.9.0-1 [74.7 kB]
-Fetched 66.5 MB in 1s (77.2 MB/s)
+Fetched 66.5 MB in 5s (13.4 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package sensible-utils.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
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(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 21880 files and directories currently installed.)
@@ -347,7 +379,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-antchfx-jsonquery-1.3.5/ && 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  > ../golang-github-antchfx-jsonquery_1.3.5-1_source.changes
+I: user script /srv/workspace/pbuilder/2233456/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/2233456/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-antchfx-jsonquery-1.3.5/ && 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  > ../golang-github-antchfx-jsonquery_1.3.5-1_source.changes
 dpkg-buildpackage: info: source package golang-github-antchfx-jsonquery
 dpkg-buildpackage: info: source version 1.3.5-1
 dpkg-buildpackage: info: source distribution unstable
@@ -365,75 +401,75 @@
    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 20 github.com/antchfx/jsonquery
+	cd _build && go install -trimpath -v -p 42 github.com/antchfx/jsonquery
 internal/byteorder
-internal/unsafeheader
-internal/goarch
 internal/coverage/rtcov
-unicode/utf8
-internal/itoa
-internal/asan
 internal/godebugs
-internal/cpu
+log/internal
+container/list
+vendor/golang.org/x/crypto/cryptobyte/asn1
+internal/msan
+crypto/internal/alias
 internal/profilerecord
-internal/runtime/atomic
-math/bits
+unicode/utf8
+internal/nettrace
 internal/goexperiment
-unicode
-encoding
-sync/atomic
 internal/race
+internal/goos
 cmp
+internal/unsafeheader
+internal/itoa
+encoding
+internal/goarch
+unicode
+internal/asan
+crypto/subtle
+sync/atomic
+internal/runtime/atomic
+internal/cpu
 internal/runtime/syscall
-internal/goos
-internal/msan
 unicode/utf16
-runtime/internal/math
-container/list
-crypto/internal/alias
+vendor/golang.org/x/crypto/internal/alias
+math/bits
 crypto/internal/boring/sig
-vendor/golang.org/x/crypto/cryptobyte/asn1
+runtime/internal/math
+runtime/internal/sys
+internal/chacha8rand
 internal/abi
-crypto/subtle
+github.com/golang/groupcache/lru
 internal/bytealg
-internal/chacha8rand
-vendor/golang.org/x/crypto/internal/alias
-runtime/internal/sys
-internal/nettrace
-log/internal
 math
-github.com/golang/groupcache/lru
 internal/runtime/exithook
 internal/stringslite
 runtime
+internal/weak
 internal/reflectlite
 iter
 sync
-internal/weak
 maps
 slices
-internal/testlog
-internal/bisect
 internal/singleflight
+internal/bisect
+internal/testlog
 runtime/cgo
-sort
+internal/godebug
 errors
+sort
 internal/oserror
-io
 path
-internal/godebug
 crypto/internal/edwards25519/field
+math/rand
+io
 strconv
 crypto/internal/nistec/fiat
-math/rand
-math/rand/v2
 vendor/golang.org/x/net/dns/dnsmessage
+math/rand/v2
 syscall
-bytes
 hash
-strings
 crypto/internal/randutil
 internal/concurrent
+bytes
+strings
 crypto/internal/edwards25519
 hash/fnv
 hash/crc32
@@ -442,69 +478,69 @@
 crypto/rc4
 reflect
 crypto/md5
-crypto/cipher
-vendor/golang.org/x/text/transform
 net/netip
+vendor/golang.org/x/text/transform
+crypto/cipher
+net/http/internal/ascii
 bufio
 regexp/syntax
-net/http/internal/ascii
+internal/syscall/execenv
+internal/syscall/unix
+time
 crypto/internal/boring
 crypto/des
-crypto/sha512
-crypto/aes
 crypto/hmac
+crypto/sha512
 crypto/sha1
 crypto/sha256
+crypto/aes
 vendor/golang.org/x/crypto/hkdf
-internal/syscall/execenv
-internal/syscall/unix
-time
-regexp
-io/fs
-internal/poll
-context
-internal/filepathlite
-embed
-crypto/internal/nistec
 internal/fmtsort
 encoding/binary
-os
+regexp
 encoding/base64
 vendor/golang.org/x/crypto/chacha20
 vendor/golang.org/x/crypto/internal/poly1305
 encoding/pem
+context
+io/fs
+internal/poll
+embed
+internal/filepathlite
+crypto/internal/nistec
+os
 crypto/ecdh
 io/ioutil
 fmt
-vendor/golang.org/x/sys/cpu
 path/filepath
+vendor/golang.org/x/sys/cpu
 net
 vendor/golang.org/x/crypto/sha3
 vendor/golang.org/x/crypto/chacha20poly1305
 encoding/hex
 log
-compress/flate
-github.com/antchfx/xpath
-mime/quotedprintable
-vendor/golang.org/x/net/http2/hpack
-mime
 net/http/internal
+mime/quotedprintable
 net/url
+mime
+github.com/antchfx/xpath
+compress/flate
 encoding/json
+vendor/golang.org/x/net/http2/hpack
 math/big
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/text/unicode/bidi
 compress/gzip
 vendor/golang.org/x/text/secure/bidirule
 vendor/golang.org/x/net/idna
+crypto/internal/boring/bbig
 crypto/rand
+crypto/dsa
 crypto/elliptic
 crypto/internal/bigmod
 encoding/asn1
-crypto/dsa
-crypto/internal/boring/bbig
-crypto/ed25519
 crypto/internal/hpke
+crypto/ed25519
 crypto/internal/mlkem768
 crypto/rsa
 crypto/x509/pkix
@@ -520,7 +556,7 @@
 net/http
 github.com/antchfx/jsonquery
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 20 github.com/antchfx/jsonquery
+	cd _build && go test -vet=off -v -p 42 github.com/antchfx/jsonquery
 === RUN   TestParseJsonNumberArray
 --- PASS: TestParseJsonNumberArray (0.00s)
 === RUN   TestParseJsonObject
@@ -546,7 +582,7 @@
 === RUN   TestStringRepresentation
 --- PASS: TestStringRepresentation (0.00s)
 PASS
-ok  	github.com/antchfx/jsonquery	0.013s
+ok  	github.com/antchfx/jsonquery	0.005s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -573,12 +609,14 @@
 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/2233456/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2233456/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/607745 and its subdirectories
-I: Current time: Thu Oct 24 01:15:02 -12 2024
-I: pbuilder-time-stamp: 1729775702
+I: removing directory /srv/workspace/pbuilder/2233456 and its subdirectories
+I: Current time: Thu Nov 27 09:39:55 +14 2025
+I: pbuilder-time-stamp: 1764185995