Diff of the two buildlogs:

--
--- b1/build.log	2025-03-19 07:44:07.326455394 +0000
+++ b2/build.log	2025-03-19 07:46:37.179696602 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Mar 18 19:42:49 -12 2025
-I: pbuilder-time-stamp: 1742370169
+I: Current time: Wed Apr 22 04:07:09 +14 2026
+I: pbuilder-time-stamp: 1776780429
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -22,52 +22,84 @@
 dpkg-source: info: unpacking golang-github-go-openapi-swag_0.23.1-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1682983/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/825031/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink03-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
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Apr 21 14:07 /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/825031/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/825031/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='arm64'
-  DEBIAN_FRONTEND='noninteractive'
+  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]="aarch64-unknown-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=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='8f66e3d8dea04bdbbe7da13f359fc1fa'
-  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='1682983'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=39c38c51a9594e92a4c3d12e949bc296
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-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=825031
   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.ddwLlhEF/pbuilderrc_I6bG --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.ddwLlhEF/b1 --logfile b1/build.log golang-github-go-openapi-swag_0.23.1-1.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.4:3128'
+  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.ddwLlhEF/pbuilderrc_FsNn --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.ddwLlhEF/b2 --logfile b2/build.log golang-github-go-openapi-swag_0.23.1-1.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink04-arm64 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-32-cloud-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1682983/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/825031/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -158,7 +190,7 @@
 Get: 43 http://deb.debian.org/debian unstable/main arm64 golang-github-stretchr-objx-dev all 0.5.2-1 [25.5 kB]
 Get: 44 http://deb.debian.org/debian unstable/main arm64 golang-gopkg-yaml.v3-dev all 3.0.1-3 [74.3 kB]
 Get: 45 http://deb.debian.org/debian unstable/main arm64 golang-github-stretchr-testify-dev all 1.10.0-1 [78.4 kB]
-Fetched 68.5 MB in 1s (134 MB/s)
+Fetched 68.5 MB in 1s (54.0 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 ... 19898 files and directories currently installed.)
@@ -353,7 +385,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-go-openapi-swag-0.23.1/ && 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-go-openapi-swag_0.23.1-1_source.changes
+I: user script /srv/workspace/pbuilder/825031/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/825031/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-go-openapi-swag-0.23.1/ && 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-go-openapi-swag_0.23.1-1_source.changes
 dpkg-buildpackage: info: source package golang-github-go-openapi-swag
 dpkg-buildpackage: info: source version 1:0.23.1-1
 dpkg-buildpackage: info: source distribution unstable
@@ -372,43 +408,43 @@
    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 12 github.com/go-openapi/swag
-internal/byteorder
-internal/profilerecord
-internal/coverage/rtcov
-internal/godebugs
 internal/goarch
 internal/unsafeheader
+internal/byteorder
 internal/goexperiment
+internal/profilerecord
+internal/coverage/rtcov
 internal/asan
 internal/cpu
 internal/goos
-sync/atomic
 math/bits
-unicode/utf8
+internal/godebugs
+internal/runtime/syscall
+internal/msan
 unicode
+unicode/utf8
+sync/atomic
 cmp
-internal/msan
 encoding
-internal/itoa
-unicode/utf16
-internal/runtime/syscall
 internal/chacha8rand
+internal/runtime/math
 internal/abi
+internal/itoa
+unicode/utf16
 internal/nettrace
 log/internal
+math
 crypto/internal/fips140/alias
 crypto/internal/fips140deps/byteorder
-internal/runtime/math
 crypto/internal/boring/sig
-math
-crypto/internal/fips140/subtle
 container/list
 vendor/golang.org/x/crypto/cryptobyte/asn1
-vendor/golang.org/x/crypto/internal/alias
 internal/bytealg
 internal/runtime/atomic
 internal/runtime/sys
 crypto/internal/fips140deps/cpu
+vendor/golang.org/x/crypto/internal/alias
+crypto/internal/fips140/subtle
 internal/runtime/exithook
 internal/stringslite
 internal/race
@@ -422,61 +458,61 @@
 crypto/subtle
 slices
 maps
-errors
-sort
 internal/bisect
 internal/testlog
 github.com/josharian/intern
 internal/singleflight
 unique
 runtime/cgo
+internal/godebug
+errors
+sort
 io
-math/rand/v2
+strconv
 internal/oserror
 path
 vendor/golang.org/x/net/dns/dnsmessage
-strconv
+math/rand/v2
 syscall
-internal/godebug
 bytes
-reflect
 strings
-net/netip
 hash
-crypto
-crypto/internal/randutil
 crypto/internal/fips140deps/godebug
+reflect
+crypto/internal/randutil
+net/netip
+regexp/syntax
+crypto/internal/impl
+crypto
+crypto/internal/fips140
 math/rand
 hash/crc32
-vendor/golang.org/x/text/transform
-regexp/syntax
 bufio
-crypto/internal/fips140
-crypto/internal/impl
+vendor/golang.org/x/text/transform
 net/http/internal/ascii
 crypto/internal/fips140/sha256
 crypto/internal/fips140/sha3
 crypto/internal/fips140/sha512
 crypto/tls/internal/fips140tls
-time
-internal/syscall/unix
-internal/syscall/execenv
 crypto/sha3
 crypto/internal/fips140/hmac
 crypto/internal/fips140hash
+time
+internal/syscall/unix
+internal/syscall/execenv
 crypto/internal/fips140/check
 crypto/internal/fips140/aes
+crypto/internal/fips140/nistec/fiat
+crypto/internal/fips140/hkdf
 crypto/internal/fips140/edwards25519/field
 crypto/internal/fips140/bigmod
-crypto/internal/fips140/nistec/fiat
 crypto/internal/fips140/tls12
-crypto/internal/fips140/hkdf
 crypto/internal/fips140/tls13
 regexp
 crypto/internal/fips140/edwards25519
+io/fs
 internal/poll
 context
-io/fs
 crypto/internal/fips140/nistec
 internal/filepathlite
 os
@@ -484,10 +520,10 @@
 internal/fmtsort
 encoding/base64
 vendor/golang.org/x/crypto/internal/poly1305
-encoding/pem
-crypto/internal/sysrand
 fmt
+crypto/internal/sysrand
 path/filepath
+encoding/pem
 crypto/internal/entropy
 crypto/internal/fips140/drbg
 crypto/internal/fips140/aes/gcm
@@ -499,35 +535,35 @@
 crypto/internal/fips140/rsa
 crypto/md5
 crypto/rc4
-net
-crypto/cipher
 encoding/json
-gopkg.in/yaml.v3
 log
+math/big
+encoding/hex
+gopkg.in/yaml.v3
 mime
-compress/flate
 mime/quotedprintable
+compress/flate
+crypto/cipher
 net/url
-encoding/hex
 vendor/golang.org/x/text/unicode/norm
-math/big
+vendor/golang.org/x/net/http2/hpack
+vendor/golang.org/x/text/unicode/bidi
+net/http/internal
 crypto/internal/boring
 crypto/des
 vendor/golang.org/x/crypto/chacha20
 crypto/aes
 crypto/ecdh
 crypto/sha512
+net
 crypto/hmac
+compress/gzip
 crypto/sha1
 crypto/sha256
-vendor/golang.org/x/text/unicode/bidi
-vendor/golang.org/x/net/http2/hpack
-vendor/golang.org/x/crypto/chacha20poly1305
-compress/gzip
-net/http/internal
 vendor/golang.org/x/text/secure/bidirule
-github.com/mailru/easyjson/jlexer
+vendor/golang.org/x/crypto/chacha20poly1305
 vendor/golang.org/x/net/idna
+github.com/mailru/easyjson/jlexer
 crypto/rand
 crypto/elliptic
 crypto/internal/boring/bbig
@@ -541,8 +577,8 @@
 crypto/ecdsa
 github.com/mailru/easyjson/buffer
 net/textproto
-crypto/x509
 vendor/golang.org/x/net/http/httpproxy
+crypto/x509
 github.com/mailru/easyjson/jwriter
 mime/multipart
 vendor/golang.org/x/net/http/httpguts
@@ -591,7 +627,7 @@
 === RUN   TestBoolMap
 --- PASS: TestBoolMap (0.00s)
 === RUN   TestIntSlice
---- PASS: TestIntSlice (0.01s)
+--- PASS: TestIntSlice (0.00s)
 === RUN   TestIntValueSlice
 --- PASS: TestIntValueSlice (0.00s)
 === RUN   TestIntMap
@@ -633,7 +669,7 @@
 === RUN   TestFloat64Map
 --- PASS: TestFloat64Map (0.00s)
 === RUN   TestTimeSlice
---- PASS: TestTimeSlice (0.00s)
+--- PASS: TestTimeSlice (0.01s)
 === RUN   TestTimeValueSlice
 --- PASS: TestTimeValueSlice (0.00s)
 === RUN   TestTimeMap
@@ -683,11 +719,11 @@
 === RUN   TestIssue2350
 --- PASS: TestIssue2350 (0.00s)
 === RUN   TestLoadFromHTTP
---- PASS: TestLoadFromHTTP (0.00s)
+--- PASS: TestLoadFromHTTP (0.01s)
 === RUN   TestLoadHTTPBytes
 --- PASS: TestLoadHTTPBytes (0.00s)
 === RUN   TestLoadStrategy
---- PASS: TestLoadStrategy (0.01s)
+--- PASS: TestLoadStrategy (0.02s)
 === RUN   TestLoadStrategyFile
 === RUN   TestLoadStrategyFile/with_local_file_strategy
 === RUN   TestLoadStrategyFile/with_local_file_strategy/valid_fully_qualified_local_URI,_with_rooted_path
@@ -759,7 +795,7 @@
 === RUN   TestJoinByFormat
 --- PASS: TestJoinByFormat (0.00s)
 === RUN   TestToFileName
---- PASS: TestToFileName (0.00s)
+--- PASS: TestToFileName (0.01s)
 === RUN   TestToCommandName
 --- PASS: TestToCommandName (0.00s)
 === RUN   TestToHumanName
@@ -791,7 +827,7 @@
 === RUN   TestMapKeyTypes
 --- PASS: TestMapKeyTypes (0.00s)
 PASS
-ok  	github.com/go-openapi/swag	0.067s
+ok  	github.com/go-openapi/swag	0.136s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang -O--builddirectory=_build
    dh_prep -O--buildsystem=golang -O--builddirectory=_build
@@ -818,12 +854,14 @@
 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/825031/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/825031/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/1682983 and its subdirectories
-I: Current time: Tue Mar 18 19:44:06 -12 2025
-I: pbuilder-time-stamp: 1742370246
+I: removing directory /srv/workspace/pbuilder/825031 and its subdirectories
+I: Current time: Wed Apr 22 04:09:35 +14 2026
+I: pbuilder-time-stamp: 1776780575