Diff of the two buildlogs:

--
--- b1/build.log	2025-02-25 08:42:30.114655610 +0000
+++ b2/build.log	2025-02-25 08:45:01.915824194 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Mon Mar 30 03:03:47 -12 2026
-I: pbuilder-time-stamp: 1774883027
+I: Current time: Tue Feb 25 22:42:32 +14 2025
+I: pbuilder-time-stamp: 1740472952
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -25,52 +25,84 @@
 dpkg-source: info: applying libsofthsm2.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2056898/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/966618/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos11-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 Feb 25 08:42 /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/966618/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/966618/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'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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=20 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='5d214479a46c493a910101ff34464b5f'
-  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='2056898'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=e9711227bfc74516b2c2619a35638e1e
+  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=966618
   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.Luq6JYz1/pbuilderrc_AVpA --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.Luq6JYz1/b1 --logfile b1/build.log golang-github-miekg-pkcs11_1.0.3+dfsg1-3.dsc'
-  SUDO_GID='110'
-  SUDO_UID='105'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  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.Luq6JYz1/pbuilderrc_I0Pm --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.Luq6JYz1/b2 --logfile b2/build.log golang-github-miekg-pkcs11_1.0.3+dfsg1-3.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos5-amd64 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2056898/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/966618/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -172,7 +204,7 @@
 Get: 50 http://deb.debian.org/debian trixie/main amd64 pkgconf-bin amd64 1.8.1-4 [30.2 kB]
 Get: 51 http://deb.debian.org/debian trixie/main amd64 pkgconf amd64 1.8.1-4 [26.2 kB]
 Get: 52 http://deb.debian.org/debian trixie/main amd64 softhsm2 amd64 2.6.1-2.2+b1 [169 kB]
-Fetched 73.7 MB in 1s (71.1 MB/s)
+Fetched 73.7 MB in 3s (29.0 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libproc2-0:amd64.
 (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 ... 19802 files and directories currently installed.)
@@ -397,7 +429,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/golang-github-miekg-pkcs11-1.0.3+dfsg1/ && 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-miekg-pkcs11_1.0.3+dfsg1-3_source.changes
+I: user script /srv/workspace/pbuilder/966618/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/966618/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/golang-github-miekg-pkcs11-1.0.3+dfsg1/ && 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-miekg-pkcs11_1.0.3+dfsg1-3_source.changes
 dpkg-buildpackage: info: source package golang-github-miekg-pkcs11
 dpkg-buildpackage: info: source version 1.0.3+dfsg1-3
 dpkg-buildpackage: info: source distribution unstable
@@ -419,30 +455,30 @@
    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 42 github.com/miekg/pkcs11 github.com/miekg/pkcs11/p11
-unicode/utf8
-internal/msan
-internal/itoa
-internal/godebugs
+	cd _build && go install -trimpath -v -p 20 github.com/miekg/pkcs11 github.com/miekg/pkcs11/p11
+internal/profilerecord
+internal/unsafeheader
+internal/coverage/rtcov
+internal/goarch
+cmp
 internal/asan
+internal/itoa
+internal/msan
 math/bits
-internal/byteorder
+unicode/utf8
+internal/cpu
+internal/goexperiment
 unicode
-internal/runtime/atomic
-cmp
-internal/coverage/rtcov
-internal/profilerecord
 sync/atomic
-internal/goarch
-internal/runtime/syscall
-internal/unsafeheader
+internal/byteorder
+internal/godebugs
 internal/goos
-internal/cpu
-internal/goexperiment
-internal/abi
+internal/runtime/syscall
+internal/runtime/atomic
 internal/runtime/math
-internal/chacha8rand
+internal/abi
 internal/runtime/sys
+internal/chacha8rand
 internal/bytealg
 math
 internal/runtime/exithook
@@ -451,28 +487,28 @@
 internal/sync
 internal/runtime/maps
 runtime
-internal/reflectlite
 iter
+internal/reflectlite
 sync
 slices
+errors
 internal/bisect
 internal/testlog
 runtime/cgo
-internal/godebug
-errors
-internal/oserror
 io
+internal/oserror
 strconv
 path
 strings
-reflect
+internal/godebug
 syscall
-internal/syscall/unix
+reflect
 internal/syscall/execenv
+internal/syscall/unix
 time
-internal/fmtsort
 io/fs
 internal/poll
+internal/fmtsort
 internal/filepathlite
 os
 fmt
@@ -485,18 +521,18 @@
 echo "log.level = INFO" >> debian/softhsm2.conf
 mkdir -p debian/tmp
 softhsm2-util --init-token --slot 0  --label test --pin 1234 --so-pin 1234
-The token has been initialized and is reassigned to slot 1201464706
+The token has been initialized and is reassigned to slot 1935495583
 dh_auto_test
-	cd _build && go test -vet=off -v -p 42 github.com/miekg/pkcs11 github.com/miekg/pkcs11/p11
+	cd _build && go test -vet=off -v -p 20 github.com/miekg/pkcs11 github.com/miekg/pkcs11/p11
 === RUN   TestPSSParams
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestPSSParams (0.07s)
+--- PASS: TestPSSParams (0.26s)
 === RUN   TestOAEPParams
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestOAEPParams (0.25s)
+--- PASS: TestOAEPParams (0.11s)
 === RUN   TestGCMParams
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestGCMParams (0.06s)
+--- PASS: TestGCMParams (0.01s)
 === RUN   TestSetenv
 --- PASS: TestSetenv (0.00s)
 === RUN   TestInitialize
@@ -507,23 +543,23 @@
 === RUN   TestGetInfo
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
     pkcs11_test.go:107: {CryptokiVersion:{Major:2 Minor:40} ManufacturerID:SoftHSM Flags:0 LibraryDescription:Implementation of PKCS11 LibraryVersion:{Major:2 Minor:6}}
---- PASS: TestGetInfo (0.12s)
+--- PASS: TestGetInfo (0.01s)
 === RUN   TestFindObject
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestFindObject (0.23s)
+--- PASS: TestFindObject (0.20s)
 === RUN   TestGetAttributeValue
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
     pkcs11_test.go:154: attr 0, type 290, valuelen 3
     pkcs11_test.go:154: attr 1, type 289, valuelen 8
     pkcs11_test.go:154: attr 2, type 288, valuelen 256
-    pkcs11_test.go:158: modulus 26986236804091737508857517631164857035565417585658178553664042683237893537173850976846078269426416781532237970280263718023710559205826724258972516552401947441274397883117352468569288014526334700374087203501393146336480225548589376597604768691244849860071018739677260545395816749475416071109201003733523318793259489503402740895123364072020347973196900920696890278434260045957135821161130240217076649167856509605157337221113926858724425067566482588912628014228173565209991666208289444890575081612619504578745101741576925364381811657235299619685201693266276151810956387423615850069884515220826917955593174690423952406597
+    pkcs11_test.go:158: modulus 24767674292117555977536368934396395063433406890205443389352651007516571340859089348504176218677174035237958501209897733935399524284071647304775392451101165672024642448002764088987226536199377542201344228145908149584183392081269249350598069116694616698044121744417786141604039420399579088665435101906439399626775476648018492007106976265539088175881213545448469587505980194557664851567487068650968013894687819967052830609305041517553875521404868936308903705481198350184652562155326902847558085341343380702809143153776732803811721341180498805412477473737295799459080588711548788884335330520904642129405882229965874500111
     pkcs11_test.go:154: attr 3, type 3, valuelen 17
---- PASS: TestGetAttributeValue (0.16s)
+--- PASS: TestGetAttributeValue (0.05s)
 === RUN   TestDigest
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
 === RUN   TestDigest/Simple
 === RUN   TestDigest/Empty
---- PASS: TestDigest (0.03s)
+--- PASS: TestDigest (0.00s)
     --- PASS: TestDigest/Simple (0.00s)
     --- PASS: TestDigest/Empty (0.00s)
 === RUN   TestDigestUpdate
@@ -535,13 +571,13 @@
     --- PASS: TestDigestUpdate/Empty (0.00s)
 === RUN   TestGenerateKeyPair
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestGenerateKeyPair (0.17s)
+--- PASS: TestGenerateKeyPair (0.44s)
 === RUN   TestSign
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestSign (0.14s)
+--- PASS: TestSign (0.32s)
 === RUN   TestDestroyObject
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
---- PASS: TestDestroyObject (6.80s)
+--- PASS: TestDestroyObject (0.19s)
 === RUN   TestSymmetricEncryption
     pkcs11_test.go:32: loading /usr/lib/softhsm/libsofthsm2.so
 === RUN   TestSymmetricEncryption/Encrypt
@@ -552,7 +588,7 @@
 === RUN   TestSymmetricEncryption/EncryptUpdate/ECB
 === RUN   TestSymmetricEncryption/EncryptUpdate/CBC
 === RUN   TestSymmetricEncryption/EncryptUpdate/CBC-PAD
---- PASS: TestSymmetricEncryption (0.13s)
+--- PASS: TestSymmetricEncryption (0.01s)
     --- PASS: TestSymmetricEncryption/Encrypt (0.00s)
         --- PASS: TestSymmetricEncryption/Encrypt/ECB (0.00s)
         --- PASS: TestSymmetricEncryption/Encrypt/CBC (0.00s)
@@ -562,9 +598,9 @@
         --- PASS: TestSymmetricEncryption/EncryptUpdate/CBC (0.00s)
         --- PASS: TestSymmetricEncryption/EncryptUpdate/CBC-PAD (0.00s)
 === RUN   ExampleCtx_Sign
---- PASS: ExampleCtx_Sign (0.17s)
+--- PASS: ExampleCtx_Sign (0.11s)
 PASS
-ok  	github.com/miekg/pkcs11	8.347s
+ok  	github.com/miekg/pkcs11	1.732s
 ?   	github.com/miekg/pkcs11/p11	[no test files]
 rm -rf debian/tmp
 make[1]: Leaving directory '/build/reproducible-path/golang-github-miekg-pkcs11-1.0.3+dfsg1'
@@ -600,12 +636,14 @@
 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/966618/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/966618/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/2056898 and its subdirectories
-I: Current time: Mon Mar 30 03:05:29 -12 2026
-I: pbuilder-time-stamp: 1774883129
+I: removing directory /srv/workspace/pbuilder/966618 and its subdirectories
+I: Current time: Tue Feb 25 22:45:01 +14 2025
+I: pbuilder-time-stamp: 1740473101