Diff of the two buildlogs:

--
--- b1/build.log	2025-01-05 22:09:22.037629823 +0000
+++ b2/build.log	2025-01-05 22:12:03.758265232 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Jan  5 10:06:04 -12 2025
-I: pbuilder-time-stamp: 1736114764
+I: Current time: Mon Jan  6 12:09:35 +14 2025
+I: pbuilder-time-stamp: 1736114975
 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-goji_2.0.2-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/19929/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/28301/tmp/hooks/D01_modify_environment starting
+debug: Running on virt32c.
+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 Jan  5 22:09 /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/28301/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/28301/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='142a5aca35be41dda5683617d089ace8'
-  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='19929'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=446c5f0380ee4278b361024c0c72300b
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=28301
   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.KZQashE6/pbuilderrc_db3W --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.KZQashE6/b1 --logfile b1/build.log golang-goji_2.0.2-2.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.KZQashE6/pbuilderrc_Z0G0 --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.KZQashE6/b2 --logfile b2/build.log golang-goji_2.0.2-2.dsc'
+  SUDO_GID=113
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt64c 6.1.0-28-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/19929/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/28301/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -146,7 +178,7 @@
 Get: 33 http://deb.debian.org/debian trixie/main armhf golang-src all 2:1.23~2 [5088 B]
 Get: 34 http://deb.debian.org/debian trixie/main armhf golang-go armhf 2:1.23~2 [44.3 kB]
 Get: 35 http://deb.debian.org/debian trixie/main armhf golang-any armhf 2:1.23~2 [5172 B]
-Fetched 62.0 MB in 1s (45.7 MB/s)
+Fetched 62.0 MB in 2s (36.0 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 ... 19679 files and directories currently installed.)
@@ -301,7 +333,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-goji-2.0.2/ && 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-goji_2.0.2-2_source.changes
+I: user script /srv/workspace/pbuilder/28301/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/28301/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-goji-2.0.2/ && 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-goji_2.0.2-2_source.changes
 dpkg-buildpackage: info: source package golang-goji
 dpkg-buildpackage: info: source version 2.0.2-2
 dpkg-buildpackage: info: source distribution unstable
@@ -319,40 +355,40 @@
    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 3 goji.io goji.io/internal goji.io/middleware goji.io/pat goji.io/pattern
+	cd _build && go install -trimpath -v -p 4 goji.io goji.io/internal goji.io/middleware goji.io/pat goji.io/pattern
 internal/unsafeheader
 internal/goarch
-internal/cpu
 internal/byteorder
-internal/abi
-internal/chacha8rand
-internal/bytealg
 internal/coverage/rtcov
+internal/cpu
+internal/abi
 internal/godebugs
+internal/chacha8rand
 internal/goexperiment
 internal/goos
+internal/bytealg
 internal/profilerecord
 internal/runtime/atomic
 internal/runtime/syscall
-internal/stringslite
 runtime/internal/math
-internal/runtime/exithook
+internal/stringslite
 runtime/internal/sys
 internal/race
 sync/atomic
+internal/runtime/exithook
 internal/asan
 internal/itoa
 internal/msan
 goji.io/internal
 unicode
 unicode/utf8
-runtime
 cmp
 math/bits
-math
 container/list
 crypto/internal/alias
+math
 crypto/internal/boring/sig
+runtime
 unicode/utf16
 vendor/golang.org/x/crypto/cryptobyte/asn1
 vendor/golang.org/x/crypto/internal/alias
@@ -360,19 +396,21 @@
 log/internal
 internal/reflectlite
 sync
+crypto/subtle
 iter
 slices
-crypto/subtle
 internal/weak
 maps
 internal/testlog
 internal/bisect
+internal/singleflight
 errors
 sort
+runtime/cgo
 internal/oserror
-syscall
 internal/godebug
 io
+syscall
 strconv
 bytes
 strings
@@ -389,42 +427,52 @@
 crypto/internal/boring
 crypto/internal/randutil
 math/rand
+crypto/aes
 context
 io/fs
 internal/poll
-internal/filepathlite
-crypto/aes
 crypto/des
+internal/filepathlite
 crypto/internal/edwards25519/field
-os
-internal/fmtsort
-encoding/binary
 crypto/internal/nistec/fiat
 crypto/sha512
+internal/fmtsort
+os
+encoding/binary
 crypto/internal/edwards25519
-fmt
 crypto/hmac
 vendor/golang.org/x/crypto/chacha20
 vendor/golang.org/x/crypto/internal/poly1305
-vendor/golang.org/x/crypto/chacha20poly1305
 vendor/golang.org/x/crypto/hkdf
-vendor/golang.org/x/sys/cpu
-vendor/golang.org/x/crypto/sha3
-compress/flate
-math/big
-compress/gzip
-crypto/internal/nistec
+vendor/golang.org/x/crypto/chacha20poly1305
 crypto/md5
 crypto/rc4
 crypto/sha1
 crypto/sha256
-encoding/hex
 encoding/base64
-crypto/ecdh
-encoding/pem
 vendor/golang.org/x/net/dns/dnsmessage
-internal/singleflight
+fmt
+vendor/golang.org/x/sys/cpu
+vendor/golang.org/x/crypto/sha3
+encoding/pem
 math/rand/v2
+path/filepath
+internal/concurrent
+unique
+vendor/golang.org/x/text/transform
+compress/flate
+encoding/hex
+math/big
+crypto/internal/nistec
+net/netip
+compress/gzip
+net/url
+crypto/ecdh
+log
+net
+vendor/golang.org/x/text/unicode/norm
+vendor/golang.org/x/text/unicode/bidi
+vendor/golang.org/x/text/secure/bidirule
 crypto/rand
 crypto/elliptic
 crypto/internal/bigmod
@@ -435,35 +483,23 @@
 crypto/internal/mlkem768
 crypto/rsa
 crypto/dsa
-internal/concurrent
-runtime/cgo
-unique
+vendor/golang.org/x/net/idna
+vendor/golang.org/x/net/http2/hpack
 vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
-net/netip
-crypto/ecdsa
-net/url
-path/filepath
-vendor/golang.org/x/text/transform
-log
-vendor/golang.org/x/text/unicode/norm
-vendor/golang.org/x/text/unicode/bidi
-vendor/golang.org/x/text/secure/bidirule
-vendor/golang.org/x/net/http2/hpack
-net
-vendor/golang.org/x/net/idna
 mime
+crypto/ecdsa
 mime/quotedprintable
 net/http/internal
-net/http/internal/ascii
 goji.io/pattern
+net/http/internal/ascii
 regexp/syntax
 regexp
 vendor/golang.org/x/net/http/httpproxy
 net/textproto
 crypto/x509
-vendor/golang.org/x/net/http/httpguts
 mime/multipart
+vendor/golang.org/x/net/http/httpguts
 crypto/tls
 net/http/httptrace
 net/http
@@ -471,7 +507,7 @@
 goji.io
 goji.io/middleware
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 3 goji.io goji.io/internal goji.io/middleware goji.io/pat goji.io/pattern
+	cd _build && go test -vet=off -v -p 4 goji.io goji.io/internal goji.io/middleware goji.io/pat goji.io/pattern
 ?   	goji.io/internal	[no test files]
 === RUN   TestDispatch
 === PAUSE TestDispatch
@@ -510,7 +546,7 @@
 === CONT  TestHandle
 --- PASS: TestHandle (0.00s)
 PASS
-ok  	goji.io	0.026s
+ok  	goji.io	0.017s
 === RUN   TestPattern
 === PAUSE TestPattern
 === RUN   TestHandler
@@ -520,7 +556,7 @@
 === CONT  TestHandler
 --- PASS: TestHandler (0.00s)
 PASS
-ok  	goji.io/middleware	0.027s
+ok  	goji.io/middleware	0.022s
 === RUN   TestExistingContext
 === PAUSE TestExistingContext
 === RUN   TestNewWithMethods
@@ -559,40 +595,40 @@
 --- PASS: TestUnescape (0.00s)
 === CONT  TestHex
 --- PASS: TestHex (0.00s)
-=== CONT  TestPost
---- PASS: TestPost (0.00s)
+=== CONT  TestParam
+--- PASS: TestParam (0.00s)
+=== CONT  TestHTTPMethods
+--- PASS: TestHTTPMethods (0.00s)
+=== CONT  TestPathPrefix
+--- PASS: TestPathPrefix (0.00s)
 === CONT  TestBadPathEncoding
 --- PASS: TestBadPathEncoding (0.00s)
 === CONT  TestPat
+=== CONT  TestOptions
 --- PASS: TestPat (0.00s)
-=== CONT  TestPut
---- PASS: TestPut (0.00s)
 === CONT  TestHead
---- PASS: TestHead (0.00s)
-=== CONT  TestPatch
---- PASS: TestPatch (0.00s)
-=== CONT  TestOptions
 --- PASS: TestOptions (0.00s)
-=== CONT  TestDelete
---- PASS: TestDelete (0.00s)
+--- PASS: TestHead (0.00s)
+=== CONT  TestPut
 === CONT  TestGet
+--- PASS: TestPut (0.00s)
 --- PASS: TestGet (0.00s)
+=== CONT  TestPost
+=== CONT  TestDelete
+--- PASS: TestPost (0.00s)
 === CONT  TestNewWithMethods
+--- PASS: TestDelete (0.00s)
+=== CONT  TestPatch
 --- PASS: TestNewWithMethods (0.00s)
-=== CONT  TestParam
---- PASS: TestParam (0.00s)
-=== CONT  TestHTTPMethods
---- PASS: TestHTTPMethods (0.00s)
-=== CONT  TestPathPrefix
---- PASS: TestPathPrefix (0.00s)
+--- PASS: TestPatch (0.00s)
 PASS
-ok  	goji.io/pat	0.036s
+ok  	goji.io/pat	0.020s
 === RUN   TestPathRoundTrip
 === PAUSE TestPathRoundTrip
 === CONT  TestPathRoundTrip
 --- PASS: TestPathRoundTrip (0.00s)
 PASS
-ok  	goji.io/pattern	0.039s
+ok  	goji.io/pattern	0.013s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -619,12 +655,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: not including original source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/28301/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/28301/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/19929 and its subdirectories
-I: Current time: Sun Jan  5 10:09:17 -12 2025
-I: pbuilder-time-stamp: 1736114957
+I: removing directory /srv/workspace/pbuilder/28301 and its subdirectories
+I: Current time: Mon Jan  6 12:12:00 +14 2025
+I: pbuilder-time-stamp: 1736115120