Diff of the two buildlogs:

--
--- b1/build.log	2023-04-09 15:41:59.384808213 +0000
+++ b2/build.log	2023-04-09 15:44:48.083183487 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Apr  9 03:39:25 -12 2023
-I: pbuilder-time-stamp: 1681054765
+I: Current time: Sun May 12 12:05:03 +14 2024
+I: pbuilder-time-stamp: 1715465103
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./golang-github-magiconair-properties_1.8.7.orig.tar.gz]
 I: copying [./golang-github-magiconair-properties_1.8.7-1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Tue Jan 17 21:43:25 2023 -12
+gpgv: Signature made Wed Jan 18 23:43:25 2023 +14
 gpgv:                using EDDSA key 9185D4F57767AEEE6C55D41E7F44FA25EA5514CB
 gpgv: Can't check signature: No public key
 dpkg-source: warning: cannot verify inline signature for ./golang-github-magiconair-properties_1.8.7-1.dsc: no acceptable signature found
@@ -25,11 +25,20 @@
 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/22000/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/19595/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink15-arm64.
+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
+lrwxrwxrwx 1 root root 4 Jan  6  2023 /bin/sh -> dash
+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/19595/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/19595/tmp/hooks/D02_print_environment starting
 I: set
   BUILDDIR='/build'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME='pbuilder2'
   BUILD_ARCH='arm64'
   DEBIAN_FRONTEND='noninteractive'
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=8'
@@ -39,38 +48,38 @@
   IFS=' 	
   '
   LANG='C'
-  LANGUAGE='en_US:en'
+  LANGUAGE='nl_BE:nl'
   LC_ALL='C'
   MAIL='/var/mail/root'
   OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
+  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'
-  PPID='22000'
+  PPID='19595'
   PS1='# '
   PS2='> '
   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.35FpNL0I/pbuilderrc_t0yM --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.35FpNL0I/b1 --logfile b1/build.log golang-github-magiconair-properties_1.8.7-1.dsc'
+  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.35FpNL0I/pbuilderrc_CBaZ --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.35FpNL0I/b2 --logfile b2/build.log --extrapackages usrmerge golang-github-magiconair-properties_1.8.7-1.dsc'
   SUDO_GID='117'
   SUDO_UID='110'
   SUDO_USER='jenkins'
   TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
+  TZ='/usr/share/zoneinfo/Etc/GMT-14'
   USER='root'
   USERNAME='root'
   _='/usr/bin/systemd-run'
   http_proxy='http://192.168.101.16:3128'
 I: uname -a
-  Linux codethink14-arm64 4.15.0-208-generic #220-Ubuntu SMP Mon Mar 20 14:28:12 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-208-generic #220-Ubuntu SMP Mon Mar 20 14:28:12 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Apr  6 22:26 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/22000/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 10 06:47 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/19595/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -146,7 +155,7 @@
 Get: 34 http://deb.debian.org/debian bookworm/main arm64 golang-src all 2:1.19~1 [5756 B]
 Get: 35 http://deb.debian.org/debian bookworm/main arm64 golang-go arm64 2:1.19~1 [45.0 kB]
 Get: 36 http://deb.debian.org/debian bookworm/main arm64 golang-any arm64 2:1.19~1 [5876 B]
-Fetched 93.3 MB in 2s (45.0 MB/s)
+Fetched 93.3 MB in 4s (24.8 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%
(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 ... 19616 files and directories currently installed.)
@@ -304,8 +313,17 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/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/19595/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/19595/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/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
@@ -324,26 +342,26 @@
    dh_auto_configure -O--buildsystem=golang
    dh_auto_build -O--buildsystem=golang
 	cd obj-aarch64-linux-gnu && go install -trimpath -v -p 8 github.com/magiconair/properties github.com/magiconair/properties/assert
+internal/goarch
 internal/unsafeheader
-internal/race
 internal/goexperiment
-internal/goarch
+internal/race
 internal/goos
-runtime/internal/syscall
 internal/cpu
 sync/atomic
-unicode
 unicode/utf8
+unicode
+runtime/internal/syscall
 internal/abi
 runtime/internal/math
 runtime/internal/sys
 encoding
-internal/itoa
 math/bits
-internal/bytealg
-runtime/internal/atomic
+internal/itoa
 container/list
 crypto/internal/subtle
+runtime/internal/atomic
+internal/bytealg
 crypto/subtle
 crypto/internal/boring/sig
 unicode/utf16
@@ -354,77 +372,77 @@
 runtime
 sync
 internal/reflectlite
-internal/singleflight
 math/rand
+internal/singleflight
+internal/sysinfo
 internal/testlog
 runtime/cgo
-internal/sysinfo
 errors
 sort
-io
 internal/oserror
 internal/safefilepath
 path
+io
 strconv
 crypto/internal/nistec/fiat
-vendor/golang.org/x/net/dns/dnsmessage
 syscall
-bytes
+vendor/golang.org/x/net/dns/dnsmessage
 strings
 hash
+bytes
 hash/crc32
 crypto/internal/randutil
 crypto
 reflect
 crypto/rc4
 vendor/golang.org/x/text/transform
-net/http/internal/ascii
 bufio
+net/http/internal/ascii
 regexp/syntax
 internal/syscall/unix
-time
 internal/syscall/execenv
+time
 regexp
-internal/poll
 io/fs
 context
+internal/poll
 embed
+os
 internal/fmtsort
 encoding/binary
-os
+fmt
+io/ioutil
+internal/godebug
+path/filepath
+internal/intern
+net/netip
 crypto/cipher
-crypto/internal/edwards25519/field
+crypto/internal/nistec
 crypto/md5
 encoding/base64
+crypto/internal/edwards25519/field
+encoding/pem
 vendor/golang.org/x/crypto/internal/poly1305
 vendor/golang.org/x/crypto/curve25519/internal/field
-crypto/internal/nistec
-encoding/pem
-crypto/internal/edwards25519
 crypto/internal/boring
 crypto/des
-vendor/golang.org/x/crypto/chacha20
-io/ioutil
-internal/godebug
-fmt
-internal/intern
+crypto/internal/edwards25519
 crypto/aes
 crypto/sha512
 crypto/hmac
 crypto/sha1
 crypto/sha256
-net/netip
-path/filepath
+vendor/golang.org/x/crypto/chacha20
+net
 vendor/golang.org/x/crypto/chacha20poly1305
 vendor/golang.org/x/crypto/hkdf
-net
+flag
 log
 compress/flate
 encoding/hex
+math/big
 net/url
 vendor/golang.org/x/crypto/curve25519
-flag
-math/big
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/net/http2/hpack
 vendor/golang.org/x/text/unicode/bidi
@@ -433,8 +451,8 @@
 net/http/internal
 runtime/debug
 runtime/trace
-testing
 compress/gzip
+testing
 vendor/golang.org/x/text/secure/bidirule
 vendor/golang.org/x/net/idna
 crypto/rand
@@ -442,9 +460,9 @@
 crypto/internal/boring/bbig
 encoding/asn1
 crypto/dsa
-github.com/magiconair/properties/assert
 crypto/ed25519
 crypto/rsa
+github.com/magiconair/properties/assert
 vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
 crypto/ecdsa
@@ -472,7 +490,7 @@
 === RUN   TestDecodeStruct
 --- PASS: TestDecodeStruct (0.00s)
 === RUN   TestDecodeMap
---- PASS: TestDecodeMap (0.00s)
+--- PASS: TestDecodeMap (0.01s)
 === RUN   TestFlag
 --- PASS: TestFlag (0.00s)
 === RUN   TestFlagOverride
@@ -484,7 +502,7 @@
 === RUN   TestLoadFilesFailsOnNotExistingFile
 --- PASS: TestLoadFilesFailsOnNotExistingFile (0.00s)
 === RUN   TestLoadFilesDoesNotFailOnNotExistingFileAndIgnoreMissing
-2023/04/09 03:41:46 properties: doesnotexist.properties not found. skipping
+2024/05/12 12:07:35 properties: doesnotexist.properties not found. skipping
 --- PASS: TestLoadFilesDoesNotFailOnNotExistingFileAndIgnoreMissing (0.00s)
 === RUN   TestLoadString
 --- PASS: TestLoadString (0.00s)
@@ -497,28 +515,28 @@
 === RUN   TestLoadExpandedFile
 --- PASS: TestLoadExpandedFile (0.00s)
 === RUN   TestLoadFilesAndIgnoreMissing
-2023/04/09 03:41:46 properties: /tmp/properties2981538248foo not found. skipping
-2023/04/09 03:41:46 properties: /tmp/properties4117028938foo not found. skipping
+2024/05/12 12:07:35 properties: /tmp/properties1343300915foo not found. skipping
+2024/05/12 12:07:35 properties: /tmp/properties912943930foo not found. skipping
 --- PASS: TestLoadFilesAndIgnoreMissing (0.00s)
 === RUN   TestLoadURL
---- PASS: TestLoadURL (0.01s)
+--- PASS: TestLoadURL (0.02s)
 === RUN   TestLoadURLs
 --- PASS: TestLoadURLs (0.00s)
 === RUN   TestLoadURLsAndFailMissing
 --- PASS: TestLoadURLsAndFailMissing (0.01s)
 === RUN   TestLoadURLsAndIgnoreMissing
-2023/04/09 03:41:46 properties: http://127.0.0.1:43305/c returned 404. skipping
+2024/05/12 12:07:35 properties: http://127.0.0.1:36521/c returned 404. skipping
 --- PASS: TestLoadURLsAndIgnoreMissing (0.00s)
 === RUN   TestLoadURLEncoding
 --- PASS: TestLoadURLEncoding (0.01s)
 === RUN   TestLoadURLFailInvalidEncoding
 --- PASS: TestLoadURLFailInvalidEncoding (0.00s)
 === RUN   TestLoadAll
---- PASS: TestLoadAll (0.01s)
+--- PASS: TestLoadAll (0.00s)
 === RUN   TestMustGetParsedDuration
 --- PASS: TestMustGetParsedDuration (0.00s)
 === RUN   TestBasic
---- PASS: TestBasic (0.03s)
+--- PASS: TestBasic (0.01s)
 === RUN   TestComplex
 --- PASS: TestComplex (0.00s)
 === RUN   TestErrors
@@ -616,7 +634,7 @@
 === RUN   ExampleProperties_MustFlag
 --- PASS: ExampleProperties_MustFlag (0.00s)
 PASS
-ok  	github.com/magiconair/properties	0.124s
+ok  	github.com/magiconair/properties	0.113s
 === RUN   TestEqualEquals
 --- PASS: TestEqualEquals (0.00s)
 === RUN   TestEqualFails
@@ -634,7 +652,7 @@
 === RUN   TestMatchesDoesNotMatch
 --- PASS: TestMatchesDoesNotMatch (0.00s)
 PASS
-ok  	github.com/magiconair/properties/assert	0.025s
+ok  	github.com/magiconair/properties/assert	0.020s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang
    dh_prep -O--buildsystem=golang
@@ -662,12 +680,14 @@
 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/19595/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/19595/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/22000 and its subdirectories
-I: Current time: Sun Apr  9 03:41:58 -12 2023
-I: pbuilder-time-stamp: 1681054918
+I: removing directory /srv/workspace/pbuilder/19595 and its subdirectories
+I: Current time: Sun May 12 12:07:47 +14 2024
+I: pbuilder-time-stamp: 1715465267