Diff of the two buildlogs:

--
--- b1/build.log	2025-03-18 00:34:05.686688396 +0000
+++ b2/build.log	2025-03-18 00:35:49.925961896 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 17 12:32:48 -12 2025
-I: pbuilder-time-stamp: 1742257968
+I: Current time: Mon Apr 20 20:57:08 +14 2026
+I: pbuilder-time-stamp: 1776668228
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -22,51 +22,83 @@
 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/1325111/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/545008/tmp/hooks/D01_modify_environment starting
+debug: Running on infom02-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 20 06:57 /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/545008/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/545008/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'
+  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=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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='3222c93aa21241309b016fd0de279014'
-  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='1325111'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=c0fdf53f44954a1aab7191025eca5eaa
+  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=545008
   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.PNAvvZu1/pbuilderrc_VBet --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.PNAvvZu1/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'
+  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.PNAvvZu1/pbuilderrc_ybPQ --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.PNAvvZu1/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'
 I: uname -a
-  Linux infom01-amd64 6.1.0-32-cloud-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/1325111/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/545008/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -155,7 +187,7 @@
 Get: 41 http://deb.debian.org/debian unstable/main amd64 golang-github-stretchr-objx-dev all 0.5.2-1 [25.5 kB]
 Get: 42 http://deb.debian.org/debian unstable/main amd64 golang-gopkg-yaml.v3-dev all 3.0.1-3 [74.3 kB]
 Get: 43 http://deb.debian.org/debian unstable/main amd64 golang-github-stretchr-testify-dev all 1.10.0-1 [78.4 kB]
-Fetched 71.1 MB in 1s (135 MB/s)
+Fetched 71.1 MB in 1s (122 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 ... 19784 files and directories currently installed.)
@@ -342,7 +374,11 @@
 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/545008/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/545008/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
@@ -361,28 +397,28 @@
    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/goarch
 internal/godebugs
-internal/byteorder
-internal/goexperiment
+internal/profilerecord
 internal/coverage/rtcov
+internal/goos
+internal/byteorder
 internal/asan
-internal/msan
-internal/goarch
-internal/runtime/syscall
 internal/unsafeheader
+internal/msan
+internal/goexperiment
+internal/cpu
 internal/runtime/atomic
+internal/runtime/math
+internal/abi
+internal/runtime/syscall
+internal/runtime/sys
 sync/atomic
-internal/profilerecord
-internal/cpu
-internal/goos
 math/bits
-unicode
 unicode/utf8
+unicode
 cmp
-internal/abi
 internal/chacha8rand
-internal/runtime/math
-internal/runtime/sys
 encoding
 internal/itoa
 unicode/utf16
@@ -391,13 +427,13 @@
 crypto/internal/fips140/alias
 crypto/internal/fips140deps/byteorder
 crypto/internal/boring/sig
-internal/runtime/exithook
 container/list
+crypto/internal/fips140/subtle
 vendor/golang.org/x/crypto/cryptobyte/asn1
 vendor/golang.org/x/crypto/internal/alias
-crypto/internal/fips140/subtle
-internal/bytealg
+internal/runtime/exithook
 crypto/internal/fips140deps/cpu
+internal/bytealg
 math
 internal/stringslite
 internal/race
@@ -406,136 +442,136 @@
 runtime
 internal/reflectlite
 iter
-crypto/subtle
 weak
+crypto/subtle
 sync
-slices
 maps
-internal/bisect
-internal/testlog
-github.com/josharian/intern
-internal/singleflight
-unique
-runtime/cgo
+slices
 errors
 sort
-io
-strconv
 internal/oserror
 path
-internal/godebug
+vendor/golang.org/x/net/dns/dnsmessage
 math/rand/v2
+strconv
+io
+internal/bisect
+internal/testlog
+internal/singleflight
+unique
+github.com/josharian/intern
 syscall
-vendor/golang.org/x/net/dns/dnsmessage
+runtime/cgo
+internal/godebug
 bytes
-hash
 strings
-crypto/internal/fips140deps/godebug
-math/rand
-reflect
+hash
+crypto/internal/randutil
 net/netip
+reflect
+bufio
+math/rand
+crypto/internal/fips140deps/godebug
+regexp/syntax
+time
 crypto
-crypto/internal/randutil
+crypto/internal/impl
 hash/crc32
+internal/syscall/execenv
 vendor/golang.org/x/text/transform
-bufio
-net/http/internal/ascii
-regexp/syntax
 crypto/internal/fips140
-crypto/internal/impl
-crypto/internal/fips140/sha256
-crypto/internal/fips140/sha512
+internal/syscall/unix
+net/http/internal/ascii
 crypto/tls/internal/fips140tls
+crypto/internal/fips140/sha256
 crypto/internal/fips140/sha3
-crypto/internal/fips140/hmac
+crypto/internal/fips140/sha512
 crypto/sha3
-time
-internal/syscall/execenv
+regexp
+crypto/internal/fips140/hmac
 crypto/internal/fips140/check
-internal/syscall/unix
 crypto/internal/fips140hash
-regexp
 crypto/internal/fips140/aes
 crypto/internal/fips140/edwards25519/field
-crypto/internal/fips140/nistec/fiat
 crypto/internal/fips140/hkdf
-crypto/internal/fips140/bigmod
 crypto/internal/fips140/tls12
+crypto/internal/fips140/nistec/fiat
+crypto/internal/fips140/bigmod
 crypto/internal/fips140/tls13
-crypto/internal/fips140/edwards25519
 io/fs
-internal/poll
 context
-crypto/internal/fips140/nistec
+internal/poll
+crypto/internal/fips140/edwards25519
 internal/filepathlite
-encoding/binary
-internal/fmtsort
 os
-encoding/base64
-vendor/golang.org/x/crypto/internal/poly1305
-encoding/pem
+crypto/internal/fips140/nistec
+internal/fmtsort
+encoding/binary
 crypto/internal/sysrand
+vendor/golang.org/x/sys/cpu
 fmt
 path/filepath
-vendor/golang.org/x/sys/cpu
-net
 crypto/internal/entropy
 crypto/internal/fips140/drbg
-crypto/internal/fips140/aes/gcm
+encoding/base64
+vendor/golang.org/x/crypto/internal/poly1305
 crypto/internal/fips140only
-crypto/internal/fips140/ecdh
-crypto/internal/fips140/ecdsa
-crypto/internal/fips140/ed25519
+crypto/internal/fips140/aes/gcm
 crypto/internal/fips140/mlkem
 crypto/internal/fips140/rsa
+crypto/internal/fips140/ed25519
+encoding/pem
 crypto/md5
 crypto/rc4
+crypto/internal/fips140/ecdh
+crypto/internal/fips140/ecdsa
 crypto/cipher
-log
-encoding/json
-mime
 encoding/hex
 compress/flate
+log
+mime
 net/url
-gopkg.in/yaml.v3
 mime/quotedprintable
 math/big
+encoding/json
+gopkg.in/yaml.v3
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/net/http2/hpack
 crypto/internal/boring
 crypto/des
-vendor/golang.org/x/crypto/chacha20
 crypto/aes
 crypto/ecdh
 crypto/sha512
 crypto/hmac
-compress/gzip
-vendor/golang.org/x/crypto/chacha20poly1305
+vendor/golang.org/x/crypto/chacha20
 crypto/sha1
 crypto/sha256
+net
+compress/gzip
 vendor/golang.org/x/text/unicode/bidi
 net/http/internal
+vendor/golang.org/x/crypto/chacha20poly1305
 vendor/golang.org/x/text/secure/bidirule
 vendor/golang.org/x/net/idna
 github.com/mailru/easyjson/jlexer
 crypto/rand
 crypto/elliptic
-crypto/dsa
 crypto/internal/boring/bbig
 encoding/asn1
+crypto/dsa
 crypto/ed25519
 crypto/internal/hpke
 crypto/rsa
-vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
+vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
 github.com/mailru/easyjson/buffer
 net/textproto
 vendor/golang.org/x/net/http/httpproxy
 crypto/x509
 github.com/mailru/easyjson/jwriter
-mime/multipart
 vendor/golang.org/x/net/http/httpguts
+mime/multipart
 crypto/tls
 net/http/httptrace
 net/http
@@ -677,7 +713,7 @@
 === RUN   TestLoadHTTPBytes
 --- PASS: TestLoadHTTPBytes (0.00s)
 === RUN   TestLoadStrategy
---- PASS: TestLoadStrategy (0.00s)
+--- PASS: TestLoadStrategy (0.01s)
 === RUN   TestLoadStrategyFile
 === RUN   TestLoadStrategyFile/with_local_file_strategy
 === RUN   TestLoadStrategyFile/with_local_file_strategy/valid_fully_qualified_local_URI,_with_rooted_path
@@ -781,7 +817,7 @@
 === RUN   TestMapKeyTypes
 --- PASS: TestMapKeyTypes (0.00s)
 PASS
-ok  	github.com/go-openapi/swag	0.020s
+ok  	github.com/go-openapi/swag	0.031s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--buildsystem=golang -O--builddirectory=_build
    dh_prep -O--buildsystem=golang -O--builddirectory=_build
@@ -808,12 +844,14 @@
 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/545008/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/545008/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/1325111 and its subdirectories
-I: Current time: Mon Mar 17 12:34:04 -12 2025
-I: pbuilder-time-stamp: 1742258044
+I: removing directory /srv/workspace/pbuilder/545008 and its subdirectories
+I: Current time: Mon Apr 20 20:58:49 +14 2026
+I: pbuilder-time-stamp: 1776668329