Diff of the two buildlogs:

--
--- b1/build.log	2025-01-21 23:28:33.367893848 +0000
+++ b2/build.log	2025-01-21 23:43:47.402937338 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Jan 21 11:22:52 -12 2025
-I: pbuilder-time-stamp: 1737501772
+I: Current time: Wed Jan 22 13:28:57 +14 2025
+I: pbuilder-time-stamp: 1737502137
 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 gosop_1.1.0-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/7391/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/18516/tmp/hooks/D01_modify_environment starting
+debug: Running on ff64a.
+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 21 23:29 /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/18516/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/18516/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=6 '
+  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='3801bef3d07a4cac9446e24a28344a97'
-  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='7391'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=cdddeca62b6146838480df2357bc56a0
+  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=18516
   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.qSpPTDV0/pbuilderrc_qIf3 --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.qSpPTDV0/b1 --logfile b1/build.log gosop_1.1.0-2.dsc'
-  SUDO_GID='110'
-  SUDO_UID='103'
-  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.qSpPTDV0/pbuilderrc_MYIS --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.qSpPTDV0/b2 --logfile b2/build.log gosop_1.1.0-2.dsc'
+  SUDO_GID=114
+  SUDO_UID=109
+  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 virt32z 6.1.0-30-armmp-lpae #1 SMP Debian 6.1.124-1 (2025-01-12) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/7391/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/18516/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -223,7 +255,7 @@
 Get: 106 http://deb.debian.org/debian trixie/main armhf ruby-nokogiri armhf 1.16.4+dfsg-1+b1 [266 kB]
 Get: 107 http://deb.debian.org/debian trixie/main armhf ruby-ronn all 0.10.1-2 [28.0 kB]
 Get: 108 http://deb.debian.org/debian trixie/main armhf ronn all 0.10.1-2 [8708 B]
-Fetched 113 MB in 27s (4158 kB/s)
+Fetched 113 MB in 7s (15.5 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 ... 19569 files and directories currently installed.)
@@ -679,7 +711,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/gosop-1.1.0/ && 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  > ../gosop_1.1.0-2_source.changes
+I: user script /srv/workspace/pbuilder/18516/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/18516/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/gosop-1.1.0/ && 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  > ../gosop_1.1.0-2_source.changes
 dpkg-buildpackage: info: source package gosop
 dpkg-buildpackage: info: source version 1.1.0-2
 dpkg-buildpackage: info: source distribution unstable
@@ -699,37 +735,35 @@
    debian/rules override_dh_auto_build
 make[1]: Entering directory '/build/reproducible-path/gosop-1.1.0'
 dh_auto_build -O --buildsystem=golang -- -buildmode=pie -ldflags="-extldflags -Wl,-z,now,-z,relro"
-	cd _build && go install -trimpath -v -p 3 -buildmode=pie "-ldflags=-extldflags -Wl,-z,now,-z,relro" github.com/ProtonMail/gosop github.com/ProtonMail/gosop/cmd github.com/ProtonMail/gosop/utils
-internal/unsafeheader
-internal/goarch
-internal/byteorder
-internal/cpu
-internal/abi
-internal/chacha8rand
-internal/bytealg
+	cd _build && go install -trimpath -v -p 6 -buildmode=pie "-ldflags=-extldflags -Wl,-z,now,-z,relro" github.com/ProtonMail/gosop github.com/ProtonMail/gosop/cmd github.com/ProtonMail/gosop/utils
 internal/coverage/rtcov
 internal/godebugs
+internal/byteorder
+internal/goarch
+internal/unsafeheader
+internal/cpu
 internal/goexperiment
 internal/goos
 internal/profilerecord
-internal/runtime/atomic
 internal/runtime/syscall
-internal/stringslite
+internal/abi
 runtime/internal/math
 runtime/internal/sys
-internal/runtime/exithook
+internal/chacha8rand
 internal/race
 sync/atomic
 unicode
-runtime
+internal/bytealg
+internal/runtime/atomic
 unicode/utf8
 cmp
+internal/stringslite
 internal/itoa
 math/bits
-math
 internal/asan
 internal/msan
 crypto/internal/alias
+internal/runtime/exithook
 crypto/internal/boring/sig
 unicode/utf16
 github.com/ProtonMail/go-crypto/internal/byteutil
@@ -737,146 +771,148 @@
 encoding
 image/color
 github.com/ProtonMail/gopenpgp/v3/constants
+math
 internal/nettrace
 log/internal
-internal/reflectlite
-sync
+runtime
 iter
-slices
 crypto/subtle
+internal/reflectlite
+sync
 internal/weak
+slices
 internal/bisect
 internal/testlog
 internal/singleflight
-internal/godebug
 runtime/cgo
+sort
 errors
 io
-strconv
-bytes
-reflect
 internal/oserror
+strconv
+internal/godebug
 path
-syscall
-time
-internal/syscall/unix
-internal/syscall/execenv
-internal/fmtsort
+bytes
 strings
-io/fs
-internal/poll
-internal/filepathlite
-bufio
-sort
-os
-compress/bzip2
-encoding/binary
+syscall
 hash
 hash/adler32
-crypto
-crypto/cipher
 crypto/internal/randutil
 math/rand
+crypto/cipher
+reflect
+crypto
+bufio
+crypto/des
 crypto/internal/boring
 crypto/sha1
 crypto/sha256
 crypto/sha512
-fmt
 crypto/aes
-crypto/des
-github.com/ProtonMail/go-crypto/openpgp/aes/keywrap
+compress/bzip2
 github.com/ProtonMail/go-crypto/eax
 golang.org/x/crypto/cast5
 crypto/internal/edwards25519/field
 crypto/internal/nistec/fiat
 github.com/ProtonMail/go-crypto/openpgp/errors
+github.com/cloudflare/circl/sign
+crypto/internal/edwards25519
+crypto/hmac
+golang.org/x/crypto/hkdf
+image
+time
+internal/syscall/unix
+internal/syscall/execenv
+image/internal/imageutil
+vendor/golang.org/x/net/dns/dnsmessage
+math/rand/v2
+image/jpeg
+internal/concurrent
+unique
+regexp/syntax
+net/netip
+html
+internal/fmtsort
+encoding/binary
+io/fs
+internal/poll
+context
+internal/filepathlite
+github.com/ProtonMail/go-crypto/openpgp/aes/keywrap
+github.com/cloudflare/circl/internal/sha3
+golang.org/x/crypto/blake2b
+encoding/base64
+os
+regexp
+golang.org/x/crypto/argon2
+github.com/ProtonMail/go-crypto/openpgp/armor
+crypto/internal/nistec
+io/ioutil
+fmt
+path/filepath
+golang.org/x/sys/cpu
+crypto/ecdh
+net
+golang.org/x/crypto/sha3
 encoding/hex
+github.com/pkg/errors
+encoding/json
 compress/flate
 math/big
-compress/zlib
 github.com/ProtonMail/go-crypto/ocb
+github.com/ProtonMail/gopenpgp/v3/internal
 github.com/ProtonMail/go-crypto/openpgp/internal/algorithm
-crypto/internal/edwards25519
-github.com/cloudflare/circl/sign
-github.com/cloudflare/circl/internal/sha3
-crypto/dsa
+github.com/ProtonMail/gopenpgp/v3/armor
+github.com/ProtonMail/go-crypto/openpgp/s2k
+flag
+github.com/russross/blackfriday/v2
+compress/zlib
+github.com/xrash/smetrics
+text/tabwriter
+net/url
+text/template/parse
+runtime/debug
+log
 crypto/rand
+crypto/dsa
 crypto/internal/bigmod
 crypto/internal/boring/bbig
 encoding/asn1
-crypto/internal/nistec
-crypto/rsa
+crypto/elliptic
 github.com/ProtonMail/go-crypto/openpgp/internal/encoding
+crypto/rsa
 github.com/cloudflare/circl/internal/conv
-vendor/golang.org/x/crypto/cryptobyte
+crypto/ed25519
 github.com/cloudflare/circl/math/fp25519
-crypto/ecdh
-crypto/elliptic
-github.com/cloudflare/circl/dh/x25519
 github.com/cloudflare/circl/math/fp448
-crypto/ed25519
-github.com/cloudflare/circl/math
-crypto/ecdsa
-github.com/ProtonMail/go-crypto/bitcurves
 github.com/ProtonMail/go-crypto/brainpool
-github.com/cloudflare/circl/dh/x448
-github.com/cloudflare/circl/sign/ed25519
+github.com/ProtonMail/go-crypto/bitcurves
+github.com/cloudflare/circl/dh/x25519
+github.com/cloudflare/circl/math
 github.com/cloudflare/circl/math/mlsbset
 github.com/ProtonMail/go-crypto/openpgp/elgamal
+github.com/cpuguy83/go-md2man/v2/md2man
+text/template
+github.com/cloudflare/circl/dh/x448
 github.com/cloudflare/circl/ecc/goldilocks
-golang.org/x/crypto/blake2b
-github.com/ProtonMail/go-crypto/openpgp/ed25519
-crypto/hmac
-golang.org/x/crypto/hkdf
-golang.org/x/crypto/argon2
 github.com/ProtonMail/go-crypto/openpgp/x25519
-github.com/ProtonMail/go-crypto/openpgp/x448
+vendor/golang.org/x/crypto/cryptobyte
+github.com/cloudflare/circl/sign/ed25519
 github.com/cloudflare/circl/sign/ed448
-github.com/ProtonMail/go-crypto/openpgp/s2k
-image
-github.com/ProtonMail/go-crypto/openpgp/internal/ecc
+crypto/ecdsa
+github.com/ProtonMail/go-crypto/openpgp/ed25519
+github.com/ProtonMail/go-crypto/openpgp/x448
 github.com/ProtonMail/go-crypto/openpgp/ed448
-encoding/base64
-github.com/ProtonMail/go-crypto/openpgp/armor
+github.com/ProtonMail/go-crypto/openpgp/internal/ecc
+github.com/urfave/cli/v2
 github.com/ProtonMail/go-crypto/openpgp/ecdh
 github.com/ProtonMail/go-crypto/openpgp/ecdsa
 github.com/ProtonMail/go-crypto/openpgp/eddsa
-image/internal/imageutil
-golang.org/x/sys/cpu
-io/ioutil
-image/jpeg
-golang.org/x/crypto/sha3
-github.com/pkg/errors
-github.com/ProtonMail/gopenpgp/v3/internal
-encoding/json
 github.com/ProtonMail/go-crypto/openpgp/packet
-github.com/ProtonMail/gopenpgp/v3/armor
-context
-vendor/golang.org/x/net/dns/dnsmessage
-math/rand/v2
-regexp/syntax
-internal/concurrent
-unique
-net/netip
-regexp
-github.com/ProtonMail/go-crypto/openpgp/v2
-github.com/ProtonMail/go-crypto/openpgp
-net
-github.com/ProtonMail/gopenpgp/v3/profile
-flag
-html
-github.com/xrash/smetrics
-path/filepath
-github.com/russross/blackfriday/v2
-text/tabwriter
-net/url
-text/template/parse
-github.com/cpuguy83/go-md2man/v2/md2man
-runtime/debug
-text/template
-log
-github.com/urfave/cli/v2
 net/textproto
+github.com/ProtonMail/gopenpgp/v3/profile
+github.com/ProtonMail/go-crypto/openpgp
+github.com/ProtonMail/go-crypto/openpgp/v2
 github.com/ProtonMail/go-crypto/openpgp/clearsign
 github.com/ProtonMail/gopenpgp/v3/crypto
 github.com/ProtonMail/gosop/utils
@@ -889,7 +925,7 @@
      roff: man/gosop.1                                
 make[1]: Leaving directory '/build/reproducible-path/gosop-1.1.0'
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
-	cd _build && go test -vet=off -v -p 3 github.com/ProtonMail/gosop github.com/ProtonMail/gosop/cmd github.com/ProtonMail/gosop/utils
+	cd _build && go test -vet=off -v -p 6 github.com/ProtonMail/gosop github.com/ProtonMail/gosop/cmd github.com/ProtonMail/gosop/utils
 ?   	github.com/ProtonMail/gosop	[no test files]
 ?   	github.com/ProtonMail/gosop/cmd	[no test files]
 ?   	github.com/ProtonMail/gosop/utils	[no test files]
@@ -932,12 +968,14 @@
 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/18516/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/18516/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/7391 and its subdirectories
-I: Current time: Tue Jan 21 11:28:29 -12 2025
-I: pbuilder-time-stamp: 1737502109
+I: removing directory /srv/workspace/pbuilder/18516 and its subdirectories
+I: Current time: Wed Jan 22 13:43:43 +14 2025
+I: pbuilder-time-stamp: 1737503023