Diff of the two buildlogs:

--
--- b1/build.log	2025-03-20 15:08:46.708297915 +0000
+++ b2/build.log	2025-03-20 15:09:49.749449896 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Mar 20 03:04:05 -12 2025
-I: pbuilder-time-stamp: 1742483045
+I: Current time: Thu Apr 23 11:31:47 +14 2026
+I: pbuilder-time-stamp: 1776893507
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -22,52 +22,84 @@
 dpkg-source: info: unpacking golang-github-magiconair-properties_1.8.7-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3468864/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3832850/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos15-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 22 21:31 /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/3832850/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3832850/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]="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=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='d4acc8160bd94e5382315272f3d0087c'
-  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='3468864'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=d29ea72a1f064004b615dd3f9faf0b0c
+  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=3832850
   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.Cph2Xv8I/pbuilderrc_5Hbh --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.Cph2Xv8I/b1 --logfile b1/build.log golang-github-magiconair-properties_1.8.7-1.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.Cph2Xv8I/pbuilderrc_3KwR --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.Cph2Xv8I/b2 --logfile b2/build.log golang-github-magiconair-properties_1.8.7-1.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  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/3468864/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3832850/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -143,7 +175,7 @@
 Get: 34 http://deb.debian.org/debian trixie/main amd64 golang-src all 2:1.24~2 [5136 B]
 Get: 35 http://deb.debian.org/debian trixie/main amd64 golang-go amd64 2:1.24~2 [44.3 kB]
 Get: 36 http://deb.debian.org/debian trixie/main amd64 golang-any amd64 2:1.24~2 [5216 B]
-Fetched 70.5 MB in 8s (8307 kB/s)
+Fetched 70.5 MB in 1s (135 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 ... 19785 files and directories currently installed.)
@@ -302,7 +334,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-magiconair-properties-1.8.7/ && 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-magiconair-properties_1.8.7-1_source.changes
+I: user script /srv/workspace/pbuilder/3832850/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3832850/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-magiconair-properties-1.8.7/ && 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-magiconair-properties_1.8.7-1_source.changes
 dpkg-buildpackage: info: source package golang-github-magiconair-properties
 dpkg-buildpackage: info: source version 1.8.7-1
 dpkg-buildpackage: info: source distribution unstable
@@ -320,181 +356,181 @@
    dh_autoreconf -O--buildsystem=golang
    dh_auto_configure -O--buildsystem=golang
    dh_auto_build -O--buildsystem=golang
-	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 20 github.com/magiconair/properties github.com/magiconair/properties/assert
-internal/goarch
-math/bits
+	cd obj-x86_64-linux-gnu && go install -trimpath -v -p 42 github.com/magiconair/properties github.com/magiconair/properties/assert
+internal/profilerecord
+internal/asan
 internal/msan
+internal/godebugs
 internal/coverage/rtcov
-cmp
-encoding
-internal/unsafeheader
 internal/itoa
+internal/unsafeheader
+unicode
+unicode/utf16
+vendor/golang.org/x/crypto/cryptobyte/asn1
+crypto/internal/fips140/alias
 internal/byteorder
+encoding
+log/internal
 unicode/utf8
+cmp
+internal/goarch
+vendor/golang.org/x/crypto/internal/alias
+math/bits
+internal/nettrace
 internal/runtime/syscall
-unicode
-internal/godebugs
-internal/cpu
+crypto/internal/boring/sig
+container/list
 internal/goos
-internal/asan
 internal/goexperiment
-internal/profilerecord
 sync/atomic
 internal/runtime/atomic
-internal/abi
+internal/cpu
+crypto/internal/fips140/subtle
 internal/runtime/math
-log/internal
-container/list
-crypto/internal/fips140/alias
 internal/runtime/sys
-crypto/internal/boring/sig
-unicode/utf16
-vendor/golang.org/x/crypto/cryptobyte/asn1
-vendor/golang.org/x/crypto/internal/alias
-internal/nettrace
+internal/abi
 crypto/internal/fips140deps/byteorder
 internal/chacha8rand
-crypto/internal/fips140/subtle
 crypto/internal/fips140deps/cpu
 internal/bytealg
 math
 internal/runtime/exithook
-internal/race
 internal/stringslite
+internal/race
 internal/sync
 internal/runtime/maps
 runtime
 internal/reflectlite
 crypto/subtle
+iter
 weak
 sync
-iter
-slices
 maps
-errors
-sort
-internal/bisect
-internal/testlog
+slices
 internal/singleflight
+internal/testlog
+internal/bisect
 unique
 runtime/cgo
-strconv
+errors
+internal/godebug
 internal/oserror
-path
-math/rand/v2
 io
+sort
+strconv
+crypto/internal/fips140deps/godebug
+math/rand/v2
 vendor/golang.org/x/net/dns/dnsmessage
-internal/godebug
-net/netip
-bytes
+hash
+path
 strings
+bytes
 reflect
-hash
-crypto/internal/fips140deps/godebug
-crypto/internal/randutil
+net/netip
 math/rand
 syscall
-hash/crc32
 crypto
-crypto/internal/fips140
+hash/crc32
+crypto/internal/randutil
+vendor/golang.org/x/text/transform
 crypto/internal/impl
-bufio
 net/http/internal/ascii
-vendor/golang.org/x/text/transform
+bufio
+crypto/internal/fips140
 regexp/syntax
-crypto/internal/fips140/sha256
-crypto/internal/fips140/sha3
 crypto/tls/internal/fips140tls
+crypto/internal/fips140/sha256
 crypto/internal/fips140/sha512
-regexp
+crypto/internal/fips140/sha3
 crypto/internal/fips140/hmac
 crypto/sha3
 crypto/internal/fips140/check
 crypto/internal/fips140hash
-crypto/internal/fips140/aes
 crypto/internal/fips140/hkdf
-crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/tls12
 crypto/internal/fips140/bigmod
+crypto/internal/fips140/aes
+crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/nistec/fiat
-time
-internal/syscall/execenv
-internal/syscall/unix
 crypto/internal/fips140/tls13
+regexp
 crypto/internal/fips140/edwards25519
-internal/fmtsort
-encoding/binary
-io/fs
+internal/syscall/execenv
+time
+internal/syscall/unix
+crypto/internal/fips140/nistec
 context
+io/fs
 internal/poll
+internal/fmtsort
+encoding/binary
+internal/filepathlite
+os
 vendor/golang.org/x/crypto/internal/poly1305
 encoding/base64
-internal/filepathlite
 encoding/pem
-os
-crypto/internal/fips140/nistec
+crypto/internal/sysrand
 fmt
 internal/sysinfo
-io/ioutil
-path/filepath
-crypto/internal/sysrand
 vendor/golang.org/x/sys/cpu
+path/filepath
+io/ioutil
 net
 crypto/internal/entropy
 crypto/internal/fips140/drbg
 crypto/internal/fips140only
-crypto/internal/fips140/aes/gcm
 crypto/internal/fips140/ed25519
+crypto/internal/fips140/ecdh
 crypto/internal/fips140/mlkem
 crypto/internal/fips140/rsa
+crypto/internal/fips140/ecdsa
+crypto/internal/fips140/aes/gcm
 crypto/rc4
 crypto/md5
+crypto/cipher
 flag
 log
-compress/flate
-crypto/internal/fips140/ecdh
-crypto/internal/fips140/ecdsa
-math/big
 encoding/hex
 net/url
 mime/quotedprintable
-runtime/debug
-mime
 vendor/golang.org/x/net/http2/hpack
+runtime/debug
 net/http/internal
+mime
 runtime/trace
+compress/flate
 vendor/golang.org/x/text/unicode/norm
-vendor/golang.org/x/text/unicode/bidi
-crypto/cipher
-testing
-compress/gzip
+math/big
 crypto/internal/boring
 crypto/des
 vendor/golang.org/x/crypto/chacha20
 crypto/aes
-crypto/ecdh
 crypto/sha512
 crypto/hmac
+crypto/ecdh
 crypto/sha256
 crypto/sha1
 vendor/golang.org/x/crypto/chacha20poly1305
+vendor/golang.org/x/text/unicode/bidi
+testing
+compress/gzip
 vendor/golang.org/x/text/secure/bidirule
 vendor/golang.org/x/net/idna
-crypto/rand
-crypto/elliptic
-crypto/internal/boring/bbig
 crypto/dsa
+crypto/internal/boring/bbig
+crypto/elliptic
+crypto/rand
 encoding/asn1
-crypto/ed25519
 crypto/internal/hpke
+crypto/ed25519
 crypto/rsa
 github.com/magiconair/properties/assert
 crypto/x509/pkix
 vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
-crypto/x509
-net/textproto
 vendor/golang.org/x/net/http/httpproxy
+net/textproto
+crypto/x509
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
 crypto/tls
@@ -502,7 +538,7 @@
 net/http
 github.com/magiconair/properties
    dh_auto_test -O--buildsystem=golang
-	cd obj-x86_64-linux-gnu && go test -vet=off -v -p 20 github.com/magiconair/properties github.com/magiconair/properties/assert
+	cd obj-x86_64-linux-gnu && go test -vet=off -v -p 42 github.com/magiconair/properties github.com/magiconair/properties/assert
 === RUN   TestDecodeValues
 --- PASS: TestDecodeValues (0.00s)
 === RUN   TestDecodeValueDefaults
@@ -528,21 +564,21 @@
 === RUN   TestLoadFilesFailsOnNotExistingFile
 --- PASS: TestLoadFilesFailsOnNotExistingFile (0.00s)
 === RUN   TestLoadFilesDoesNotFailOnNotExistingFileAndIgnoreMissing
-2025/03/20 15:08:25 properties: doesnotexist.properties not found. skipping
+2026/04/22 21:32:44 properties: doesnotexist.properties not found. skipping
 --- PASS: TestLoadFilesDoesNotFailOnNotExistingFileAndIgnoreMissing (0.00s)
 === RUN   TestLoadString
 --- PASS: TestLoadString (0.00s)
 === RUN   TestLoadMap
 --- PASS: TestLoadMap (0.00s)
 === RUN   TestLoadFile
---- PASS: TestLoadFile (0.03s)
+--- PASS: TestLoadFile (0.00s)
 === RUN   TestLoadFiles
 --- PASS: TestLoadFiles (0.00s)
 === RUN   TestLoadExpandedFile
 --- PASS: TestLoadExpandedFile (0.00s)
 === RUN   TestLoadFilesAndIgnoreMissing
-2025/03/20 15:08:25 properties: /tmp/properties2984622267foo not found. skipping
-2025/03/20 15:08:25 properties: /tmp/properties1750699525foo not found. skipping
+2026/04/22 21:32:44 properties: /tmp/properties3650334208foo not found. skipping
+2026/04/22 21:32:44 properties: /tmp/properties4118194806foo not found. skipping
 --- PASS: TestLoadFilesAndIgnoreMissing (0.00s)
 === RUN   TestLoadURL
 --- PASS: TestLoadURL (0.00s)
@@ -551,22 +587,22 @@
 === RUN   TestLoadURLsAndFailMissing
 --- PASS: TestLoadURLsAndFailMissing (0.00s)
 === RUN   TestLoadURLsAndIgnoreMissing
-2025/03/20 15:08:25 properties: http://127.0.0.1:42051/c returned 404. skipping
+2026/04/22 21:32:44 properties: http://127.0.0.1:41049/c returned 404. skipping
 --- PASS: TestLoadURLsAndIgnoreMissing (0.00s)
 === RUN   TestLoadURLEncoding
 --- PASS: TestLoadURLEncoding (0.00s)
 === RUN   TestLoadURLFailInvalidEncoding
 --- PASS: TestLoadURLFailInvalidEncoding (0.00s)
 === RUN   TestLoadAll
---- PASS: TestLoadAll (0.12s)
+--- PASS: TestLoadAll (0.00s)
 === RUN   TestMustGetParsedDuration
 --- PASS: TestMustGetParsedDuration (0.00s)
 === RUN   TestBasic
---- PASS: TestBasic (0.03s)
+--- PASS: TestBasic (0.00s)
 === RUN   TestComplex
 --- PASS: TestComplex (0.00s)
 === RUN   TestErrors
---- PASS: TestErrors (0.01s)
+--- PASS: TestErrors (0.00s)
 === RUN   TestVeryDeep
 --- PASS: TestVeryDeep (0.00s)
 === RUN   TestDisableExpansion
@@ -660,7 +696,7 @@
 === RUN   ExampleProperties_MustFlag
 --- PASS: ExampleProperties_MustFlag (0.00s)
 PASS
-ok  	github.com/magiconair/properties	0.272s
+ok  	github.com/magiconair/properties	0.025s
 === RUN   TestEqualEquals
 --- PASS: TestEqualEquals (0.00s)
 === RUN   TestEqualFails
@@ -678,7 +714,7 @@
 === RUN   TestMatchesDoesNotMatch
 --- PASS: TestMatchesDoesNotMatch (0.00s)
 PASS
-ok  	github.com/magiconair/properties/assert	0.032s
+ok  	github.com/magiconair/properties/assert	0.003s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang
    dh_prep -O--buildsystem=golang
@@ -706,12 +742,14 @@
 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/3832850/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3832850/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/3468864 and its subdirectories
-I: Current time: Thu Mar 20 03:08:45 -12 2025
-I: pbuilder-time-stamp: 1742483325
+I: removing directory /srv/workspace/pbuilder/3832850 and its subdirectories
+I: Current time: Thu Apr 23 11:32:48 +14 2026
+I: pbuilder-time-stamp: 1776893568