Diff of the two buildlogs:

--
--- b1/build.log	2025-01-29 15:37:31.704644621 +0000
+++ b2/build.log	2025-01-29 15:49:28.672388014 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Jan 29 03:33:16 -12 2025
-I: pbuilder-time-stamp: 1738164796
+I: Current time: Thu Jan 30 05:37:46 +14 2025
+I: pbuilder-time-stamp: 1738165066
 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-google-go-tpm_0.9.3-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/745/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/14611/tmp/hooks/D01_modify_environment starting
+debug: Running on wbq0.
+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 29 15:38 /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/14611/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/14611/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='80df8047f8b34b78ae44c744d695a250'
-  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='745'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=27a0473d6a46438a9caa191d0632f4cc
+  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=14611
   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.IjcFh6LU/pbuilderrc_f6cQ --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.IjcFh6LU/b1 --logfile b1/build.log golang-github-google-go-tpm_0.9.3-1.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.IjcFh6LU/pbuilderrc_fKxG --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.IjcFh6LU/b2 --logfile b2/build.log golang-github-google-go-tpm_0.9.3-1.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 6.1.0-30-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-armmp #1 SMP Debian 6.1.124-1 (2025-01-12) 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/745/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/14611/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -149,7 +181,7 @@
 Get: 36 http://deb.debian.org/debian trixie/main armhf golang-any armhf 2:1.23~2 [5172 B]
 Get: 37 http://deb.debian.org/debian trixie/main armhf golang-github-google-go-cmp-dev all 0.6.0-1 [86.6 kB]
 Get: 38 http://deb.debian.org/debian trixie/main armhf golang-golang-x-sys-dev all 0.22.0-1 [431 kB]
-Fetched 63.1 MB in 2s (40.4 MB/s)
+Fetched 63.1 MB in 8s (7564 kB/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 ... 19575 files and directories currently installed.)
@@ -316,7 +348,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-google-go-tpm-0.9.3/ && 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-google-go-tpm_0.9.3-1_source.changes
+I: user script /srv/workspace/pbuilder/14611/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/14611/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-google-go-tpm-0.9.3/ && 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-google-go-tpm_0.9.3-1_source.changes
 dpkg-buildpackage: info: source package golang-github-google-go-tpm
 dpkg-buildpackage: info: source version 0.9.3-1
 dpkg-buildpackage: info: source distribution unstable
@@ -336,35 +372,34 @@
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
 dh_auto_build: warning: github.com/google/go-tpm/legacy/tpm2/test contains no non-test Go files, removing it from build
 dh_auto_build: warning: github.com/google/go-tpm/tpm2/test contains no non-test Go files, removing it from build
-	cd _build && go install -trimpath -v -p 3 github.com/google/go-tpm/legacy/tpm2 github.com/google/go-tpm/legacy/tpm2/credactivation github.com/google/go-tpm/tpm github.com/google/go-tpm/tpm2 github.com/google/go-tpm/tpm2/transport github.com/google/go-tpm/tpm2/transport/linuxtpm github.com/google/go-tpm/tpm2/transport/linuxudstpm github.com/google/go-tpm/tpm2/transport/test github.com/google/go-tpm/tpmutil github.com/google/go-tpm/tpmutil/mssim
+	cd _build && go install -trimpath -v -p 4 github.com/google/go-tpm/legacy/tpm2 github.com/google/go-tpm/legacy/tpm2/credactivation github.com/google/go-tpm/tpm github.com/google/go-tpm/tpm2 github.com/google/go-tpm/tpm2/transport github.com/google/go-tpm/tpm2/transport/linuxtpm github.com/google/go-tpm/tpm2/transport/linuxudstpm github.com/google/go-tpm/tpm2/transport/test github.com/google/go-tpm/tpmutil github.com/google/go-tpm/tpmutil/mssim
 internal/goarch
+internal/byteorder
 internal/unsafeheader
+internal/coverage/rtcov
 internal/cpu
-internal/byteorder
 internal/abi
-internal/chacha8rand
-internal/bytealg
-internal/coverage/rtcov
 internal/godebugs
+internal/chacha8rand
 internal/goexperiment
+internal/bytealg
 internal/goos
 internal/profilerecord
 internal/runtime/atomic
 internal/runtime/syscall
 internal/stringslite
 runtime/internal/math
-internal/runtime/exithook
 runtime/internal/sys
 internal/race
 sync/atomic
 unicode
+internal/runtime/exithook
 unicode/utf8
-runtime
 math/bits
-math
 crypto/internal/alias
 crypto/internal/boring/sig
 cmp
+math
 internal/itoa
 internal/asan
 internal/msan
@@ -372,25 +407,27 @@
 vendor/golang.org/x/crypto/cryptobyte/asn1
 internal/nettrace
 encoding
+runtime
 internal/reflectlite
+iter
 crypto/subtle
 sync
-iter
 slices
 internal/weak
-internal/bisect
 internal/testlog
 internal/singleflight
+internal/bisect
 errors
 sort
+runtime/cgo
 io
 strconv
 bytes
 hash
 crypto/internal/edwards25519/field
+crypto
 crypto/internal/nistec/fiat
 crypto/cipher
-crypto
 crypto/internal/randutil
 reflect
 crypto/internal/boring
@@ -399,58 +436,57 @@
 path
 internal/godebug
 syscall
-time
+math/rand
+strings
 crypto/internal/nistec
+time
 internal/fmtsort
 internal/syscall/unix
 internal/syscall/execenv
-math/rand
-crypto/ecdh
-io/fs
-internal/poll
-strings
-internal/filepathlite
 crypto/sha512
 crypto/hmac
 crypto/sha1
-os
+crypto/ecdh
 crypto/sha256
 encoding/binary
-context
 vendor/golang.org/x/net/dns/dnsmessage
-golang.org/x/sys/unix
-fmt
 math/rand/v2
 internal/concurrent
+bufio
 unique
 net/netip
-math/big
-runtime/cgo
+io/fs
+internal/poll
+golang.org/x/sys/unix
+internal/filepathlite
+context
+os
+internal/sysinfo
+fmt
+net
+path/filepath
 flag
-crypto/elliptic
+math/big
+runtime/debug
+runtime/trace
+testing
 crypto/internal/bigmod
+crypto/elliptic
 crypto/internal/boring/bbig
 encoding/asn1
 crypto/rand
 crypto/rsa
-bufio
 vendor/golang.org/x/crypto/cryptobyte
-internal/sysinfo
-path/filepath
-net
-runtime/debug
 crypto/ecdsa
-runtime/trace
-testing
-github.com/google/go-tpm/tpmutil
 github.com/google/go-tpm/tpmutil/mssim
+github.com/google/go-tpm/tpmutil
 github.com/google/go-tpm/tpm
 github.com/google/go-tpm/legacy/tpm2
 github.com/google/go-tpm/legacy/tpm2/credactivation
 github.com/google/go-tpm/tpm2/transport
+github.com/google/go-tpm/tpm2/transport/linuxudstpm
 github.com/google/go-tpm/tpm2/transport/linuxtpm
 github.com/google/go-tpm/tpm2
-github.com/google/go-tpm/tpm2/transport/linuxudstpm
 github.com/google/go-tpm/tpm2/transport/test
    debian/rules execute_before_dh_auto_test
 make[1]: Entering directory '/build/reproducible-path/golang-github-google-go-tpm-0.9.3'
@@ -461,7 +497,7 @@
 make[1]: Entering directory '/build/reproducible-path/golang-github-google-go-tpm-0.9.3'
 DH_GOLANG_EXCLUDES="examples tpm2/transport/simulator tpm2/test" \
 	dh_auto_test 
-	cd _build && go test -vet=off -v -p 3 github.com/google/go-tpm/legacy/tpm2 github.com/google/go-tpm/legacy/tpm2/credactivation github.com/google/go-tpm/tpm github.com/google/go-tpm/tpm2 github.com/google/go-tpm/tpm2/transport github.com/google/go-tpm/tpm2/transport/linuxtpm github.com/google/go-tpm/tpm2/transport/linuxudstpm github.com/google/go-tpm/tpm2/transport/test github.com/google/go-tpm/tpmutil github.com/google/go-tpm/tpmutil/mssim
+	cd _build && go test -vet=off -v -p 4 github.com/google/go-tpm/legacy/tpm2 github.com/google/go-tpm/legacy/tpm2/credactivation github.com/google/go-tpm/tpm github.com/google/go-tpm/tpm2 github.com/google/go-tpm/tpm2/transport github.com/google/go-tpm/tpm2/transport/linuxtpm github.com/google/go-tpm/tpm2/transport/linuxudstpm github.com/google/go-tpm/tpm2/transport/test github.com/google/go-tpm/tpmutil github.com/google/go-tpm/tpmutil/mssim
 === RUN   TestEncodeDecodeCreationData
 --- PASS: TestEncodeDecodeCreationData (0.00s)
 === RUN   TestDecodeReadPCRs
@@ -507,7 +543,7 @@
 === RUN   TestEncodeTPMLPCRSelection
 --- PASS: TestEncodeTPMLPCRSelection (0.00s)
 === RUN   TestECCParamsEncodeDecode
---- PASS: TestECCParamsEncodeDecode (0.03s)
+--- PASS: TestECCParamsEncodeDecode (0.07s)
 === RUN   TestSignEncode
 === RUN   TestSignEncode/AlgNull
 === RUN   TestSignEncode/AlgSHA256
@@ -523,11 +559,11 @@
 === RUN   TestRunCommandErr
 --- PASS: TestRunCommandErr (0.00s)
 PASS
-ok  	github.com/google/go-tpm/legacy/tpm2	0.076s
+ok  	github.com/google/go-tpm/legacy/tpm2	0.123s
 === RUN   TestCredentialActivation
---- PASS: TestCredentialActivation (0.04s)
+--- PASS: TestCredentialActivation (0.07s)
 PASS
-ok  	github.com/google/go-tpm/legacy/tpm2/credactivation	0.072s
+ok  	github.com/google/go-tpm/legacy/tpm2/credactivation	0.147s
 === RUN   TestPCRMask
 --- PASS: TestPCRMask (0.00s)
 === RUN   TestNewPCRSelection
@@ -538,7 +574,7 @@
 --- PASS: TestWrongCreatePCRInfoLong (0.00s)
 === RUN   TestWrongNewPCRInfoLong
     tpm_other_test.go:34: Skipping test, since we can't open /dev/tpm0 for read/write: stat /dev/tpm0: no such file or directory
---- SKIP: TestWrongNewPCRInfoLong (0.00s)
+--- SKIP: TestWrongNewPCRInfoLong (0.01s)
 === RUN   TestNewPCRInfoLongWithHashes
 --- PASS: TestNewPCRInfoLongWithHashes (0.00s)
 === RUN   TestGetKeys
@@ -581,7 +617,7 @@
     tpm_other_test.go:34: Skipping test, since we can't open /dev/tpm0 for read/write: stat /dev/tpm0: no such file or directory
 --- SKIP: TestOSAP (0.00s)
 === RUN   TestResizeableSlice
---- PASS: TestResizeableSlice (0.00s)
+--- PASS: TestResizeableSlice (0.01s)
 === RUN   TestSeal
     tpm_other_test.go:34: Skipping test, since we can't open /dev/tpm0 for read/write: stat /dev/tpm0: no such file or directory
 --- SKIP: TestSeal (0.00s)
@@ -602,7 +638,7 @@
 --- SKIP: TestQuote (0.00s)
 === RUN   TestUnmarshalRSAPublicKey
     tpm_test.go:497: No aikblob file; skipping test
---- SKIP: TestUnmarshalRSAPublicKey (0.00s)
+--- SKIP: TestUnmarshalRSAPublicKey (0.01s)
 === RUN   TestMakeIdentity
     tpm_other_test.go:34: Skipping test, since we can't open /dev/tpm0 for read/write: stat /dev/tpm0: no such file or directory
 --- SKIP: TestMakeIdentity (0.00s)
@@ -634,7 +670,7 @@
     tpm_other_test.go:34: Skipping test, since we can't open /dev/tpm0 for read/write: stat /dev/tpm0: no such file or directory
 --- SKIP: TestKeyMigration (0.00s)
 PASS
-ok  	github.com/google/go-tpm/tpm	0.028s
+ok  	github.com/google/go-tpm/tpm	0.125s
 ?   	github.com/google/go-tpm/tpm2/transport	[no test files]
 === RUN   TestMarshal2B
     marshalling_test.go:43: &{<nil> [0 8 0 11 0 0 4 82 0 0 0 16 0 0]}
@@ -647,7 +683,7 @@
     marshalling_test.go:132: Unique: 00000000
 --- PASS: TestMarshalT (0.01s)
 PASS
-ok  	github.com/google/go-tpm/tpm2	0.046s
+ok  	github.com/google/go-tpm/tpm2	0.085s
 === RUN   TestLocalTPM
     helper.go:19: stat /dev/tpm0: no such file or directory
 --- SKIP: TestLocalTPM (0.00s)
@@ -655,14 +691,14 @@
     helper.go:19: stat /dev/tpmrm0: no such file or directory
 --- SKIP: TestLocalResourceManagedTPM (0.00s)
 PASS
-ok  	github.com/google/go-tpm/tpm2/transport/linuxtpm	0.033s
+ok  	github.com/google/go-tpm/tpm2/transport/linuxtpm	0.081s
 ?   	github.com/google/go-tpm/tpm2/transport/test	[no test files]
+?   	github.com/google/go-tpm/tpmutil/mssim	[no test files]
 === RUN   TestLocalUDSTPM
     helper.go:19: stat /dev/tpm0: no such file or directory
 --- SKIP: TestLocalUDSTPM (0.00s)
 PASS
-ok  	github.com/google/go-tpm/tpm2/transport/linuxudstpm	0.022s
-?   	github.com/google/go-tpm/tpmutil/mssim	[no test files]
+ok  	github.com/google/go-tpm/tpm2/transport/linuxudstpm	0.037s
 === RUN   TestEmulatorReadWriteCloserMultipleReads
 --- PASS: TestEmulatorReadWriteCloserMultipleReads (0.00s)
 === RUN   TestEmulatorReadWriteCloserClose
@@ -706,7 +742,7 @@
 === RUN   TestPoll
 --- PASS: TestPoll (0.00s)
 PASS
-ok  	github.com/google/go-tpm/tpmutil	0.038s
+ok  	github.com/google/go-tpm/tpmutil	0.134s
 make[1]: Leaving directory '/build/reproducible-path/golang-github-google-go-tpm-0.9.3'
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
@@ -734,12 +770,14 @@
 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/14611/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/14611/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/745 and its subdirectories
-I: Current time: Wed Jan 29 03:37:27 -12 2025
-I: pbuilder-time-stamp: 1738165047
+I: removing directory /srv/workspace/pbuilder/14611 and its subdirectories
+I: Current time: Thu Jan 30 05:49:24 +14 2025
+I: pbuilder-time-stamp: 1738165764