Diff of the two buildlogs:

--
--- b1/build.log	2024-05-12 21:18:04.147926276 +0000
+++ b2/build.log	2024-05-12 21:19:33.508122645 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Jun 14 15:40:01 -12 2025
-I: pbuilder-time-stamp: 1749958801
+I: Current time: Mon May 13 11:18:09 +14 2024
+I: pbuilder-time-stamp: 1715548689
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -29,52 +29,84 @@
 dpkg-source: info: applying 0002-Revert-alecthomas-kingpin-import-path.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3818642/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2242903/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink04-arm64.
+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 May 12 21:18 /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/2242903/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2242903/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='arm64'
-  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]="21" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.21(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=arm64
+  DEBIAN_FRONTEND=noninteractive
   DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='081b88734d4445d682f57fe01d8f5c92'
-  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='3818642'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=2c53df131526493095c83316248a9727
+  LANG=C
+  LANGUAGE=nl_BE:nl
+  LC_ALL=C
+  MACHTYPE=aarch64-unknown-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=2242903
   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.j7TBdihg/pbuilderrc_9cki --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.j7TBdihg/b1 --logfile b1/build.log prometheus-ipmi-exporter_1.8.0-1.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'
-  http_proxy='http://192.168.101.4:3128'
+  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.j7TBdihg/pbuilderrc_LoiQ --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.j7TBdihg/b2 --logfile b2/build.log prometheus-ipmi-exporter_1.8.0-1.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'
+  http_proxy=http://192.168.101.4:3128
 I: uname -a
-  Linux codethink01-arm64 6.1.0-21-cloud-arm64 #1 SMP Debian 6.1.90-1 (2024-05-03) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-21-cloud-arm64 #1 SMP Debian 6.1.90-1 (2024-05-03) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Jun 13 17:47 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3818642/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 11 11:23 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2242903/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -199,7 +231,7 @@
 Get: 71 http://deb.debian.org/debian trixie/main arm64 golang-github-prometheus-client-golang-dev all 1.19.0-1 [179 kB]
 Get: 72 http://deb.debian.org/debian trixie/main arm64 golang-github-mwitkow-go-conntrack-dev all 0.0~git20190716.2f06839-3 [14.6 kB]
 Get: 73 http://deb.debian.org/debian trixie/main arm64 golang-github-prometheus-exporter-toolkit-dev all 0.11.0-2 [33.0 kB]
-Fetched 82.0 MB in 0s (234 MB/s)
+Fetched 82.0 MB in 0s (206 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 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 ... 19745 files and directories currently installed.)
@@ -506,7 +538,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/prometheus-ipmi-exporter-1.8.0/ && 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  > ../prometheus-ipmi-exporter_1.8.0-1_source.changes
+I: user script /srv/workspace/pbuilder/2242903/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/2242903/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/prometheus-ipmi-exporter-1.8.0/ && 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  > ../prometheus-ipmi-exporter_1.8.0-1_source.changes
 dpkg-buildpackage: info: source package prometheus-ipmi-exporter
 dpkg-buildpackage: info: source version 1.8.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -528,102 +564,102 @@
 dh_auto_build -- -ldflags " -X github.com/prometheus/common/version.Version=1.8.0 -X github.com/prometheus/common/version.Revision=1.8.0-1 -X github.com/prometheus/common/version.Branch=debian/sid -X github.com/prometheus/common/version.BuildUser=team+pkg-go@tracker.debian.org -X github.com/prometheus/common/version.BuildDate=20240124-00:45:44 -X github.com/prometheus/common/version.GoVersion=go1.22.3"
 	cd _build && go install -trimpath -v -p 12 -ldflags " -X github.com/prometheus/common/version.Version=1.8.0 -X github.com/prometheus/common/version.Revision=1.8.0-1 -X github.com/prometheus/common/version.Branch=debian/sid -X github.com/prometheus/common/version.BuildUser=team+pkg-go@tracker.debian.org -X github.com/prometheus/common/version.BuildDate=20240124-00:45:44 -X github.com/prometheus/common/version.GoVersion=go1.22.3" github.com/prometheus-community/ipmi_exporter github.com/prometheus-community/ipmi_exporter/freeipmi
 internal/goarch
-internal/coverage/rtcov
 internal/godebugs
-math/bits
-internal/goos
-internal/itoa
 internal/unsafeheader
-unicode/utf8
 internal/goexperiment
-runtime/internal/math
-runtime/internal/sys
-runtime/internal/syscall
-internal/race
 internal/cpu
-sync/atomic
+internal/goos
+internal/coverage/rtcov
+runtime/internal/syscall
 internal/abi
+internal/race
+internal/itoa
+unicode/utf8
+math/bits
 internal/chacha8rand
+runtime/internal/math
+sync/atomic
 cmp
-unicode/utf16
 unicode
 encoding
+runtime/internal/sys
+unicode/utf16
 log/internal
 crypto/internal/alias
 crypto/subtle
 crypto/internal/boring/sig
-slices
-math
 container/list
+math
+slices
 vendor/golang.org/x/crypto/cryptobyte/asn1
 internal/nettrace
 vendor/golang.org/x/crypto/internal/alias
 google.golang.org/protobuf/internal/flags
 google.golang.org/protobuf/internal/set
-runtime/internal/atomic
 internal/bytealg
+runtime/internal/atomic
 runtime
 internal/reflectlite
 sync
 runtime/metrics
+internal/testlog
 internal/bisect
 internal/singleflight
-internal/testlog
 google.golang.org/protobuf/internal/pragma
 runtime/cgo
+internal/godebug
 errors
+math/rand
 sort
-io
+internal/intern
+github.com/beorn7/perks/quantile
 internal/oserror
-internal/safefilepath
 path
-internal/godebug
 crypto/internal/nistec/fiat
-vendor/golang.org/x/net/dns/dnsmessage
 strconv
+io
+internal/safefilepath
+vendor/golang.org/x/net/dns/dnsmessage
 syscall
 bytes
-reflect
-crypto/internal/randutil
-internal/intern
 strings
-hash
-github.com/beorn7/perks/quantile
-math/rand
-crypto/rc4
-vendor/golang.org/x/text/transform
+crypto/internal/randutil
 text/tabwriter
-crypto
+hash
 hash/crc32
 hash/fnv
-golang.org/x/text/transform
+reflect
+crypto
+crypto/rc4
 net/netip
 golang.org/x/crypto/blowfish
+vendor/golang.org/x/text/transform
+golang.org/x/text/transform
 bufio
 regexp/syntax
+html
 net/http/internal/ascii
 github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg
-html
+regexp
 internal/syscall/unix
 time
 internal/syscall/execenv
-regexp
-context
-github.com/jpillora/backoff
-io/fs
-internal/poll
 internal/fmtsort
 encoding/binary
+internal/poll
+io/fs
+context
+github.com/jpillora/backoff
 embed
-google.golang.org/protobuf/internal/editiondefaults
 encoding/base64
 crypto/cipher
 crypto/internal/edwards25519/field
-crypto/internal/nistec
 crypto/md5
+vendor/golang.org/x/crypto/internal/poly1305
 github.com/cespare/xxhash
 golang.org/x/sys/unix
-vendor/golang.org/x/crypto/internal/poly1305
+crypto/internal/nistec
+google.golang.org/protobuf/internal/editiondefaults
 os
 encoding/pem
 crypto/internal/boring
@@ -635,116 +671,116 @@
 crypto/hmac
 crypto/sha1
 crypto/sha256
-vendor/golang.org/x/crypto/hkdf
 vendor/golang.org/x/crypto/chacha20poly1305
+vendor/golang.org/x/crypto/hkdf
 crypto/ecdh
-fmt
 google.golang.org/protobuf/internal/detrand
 path/filepath
+os/signal
+fmt
 io/ioutil
-github.com/prometheus/procfs/internal/util
 internal/lazyregexp
-os/signal
+github.com/prometheus/procfs/internal/util
 net
 os/exec
 encoding/json
 github.com/go-logfmt/logfmt
 log
+math/big
 encoding/csv
 encoding/hex
-net/url
 compress/flate
+net/url
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/net/http2/hpack
-math/big
 mime
 mime/quotedprintable
-vendor/golang.org/x/text/unicode/bidi
 net/http/internal
+vendor/golang.org/x/text/unicode/bidi
 google.golang.org/protobuf/internal/errors
 go/token
-google.golang.org/protobuf/encoding/protowire
 google.golang.org/protobuf/internal/version
 github.com/prometheus/procfs/internal/fs
+google.golang.org/protobuf/encoding/protowire
 runtime/debug
 github.com/alecthomas/units
-go/scanner
 go/doc/comment
-vendor/golang.org/x/text/secure/bidirule
-google.golang.org/protobuf/reflect/protoreflect
 text/template/parse
-go/ast
+google.golang.org/protobuf/reflect/protoreflect
+go/scanner
 golang.org/x/net/internal/timeseries
-golang.org/x/text/unicode/bidi
 compress/gzip
+golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
+go/ast
+vendor/golang.org/x/text/secure/bidirule
 golang.org/x/net/http2/hpack
 gopkg.in/yaml.v2
-vendor/golang.org/x/net/idna
 golang.org/x/sync/errgroup
 github.com/go-kit/log
-golang.org/x/text/secure/bidirule
+vendor/golang.org/x/net/idna
 google.golang.org/protobuf/internal/descfmt
 google.golang.org/protobuf/internal/descopts
 google.golang.org/protobuf/internal/strs
+github.com/go-kit/log/level
+crypto/rand
+crypto/elliptic
+crypto/internal/bigmod
+crypto/internal/boring/bbig
+encoding/asn1
+crypto/ed25519
+github.com/prometheus-community/ipmi_exporter/freeipmi
+crypto/dsa
+google.golang.org/protobuf/internal/encoding/text
 google.golang.org/protobuf/internal/encoding/messageset
 google.golang.org/protobuf/internal/genid
 google.golang.org/protobuf/internal/order
+google.golang.org/protobuf/reflect/protoregistry
 google.golang.org/protobuf/runtime/protoiface
-github.com/go-kit/log/level
-google.golang.org/protobuf/internal/encoding/text
+github.com/prometheus/common/promlog
 go/doc
-google.golang.org/protobuf/reflect/protoregistry
+crypto/rsa
 text/template
-github.com/prometheus/common/promlog
+golang.org/x/text/secure/bidirule
+golang.org/x/crypto/bcrypt
 golang.org/x/net/idna
+vendor/golang.org/x/crypto/cryptobyte
+crypto/x509/pkix
 google.golang.org/protobuf/internal/encoding/defval
 google.golang.org/protobuf/proto
-crypto/rand
-crypto/elliptic
-crypto/internal/bigmod
-crypto/internal/boring/bbig
-encoding/asn1
-crypto/dsa
-github.com/prometheus-community/ipmi_exporter/freeipmi
-crypto/ed25519
-golang.org/x/crypto/bcrypt
-crypto/rsa
+crypto/ecdsa
 google.golang.org/protobuf/internal/filedesc
 google.golang.org/protobuf/encoding/prototext
 google.golang.org/protobuf/encoding/protodelim
-vendor/golang.org/x/crypto/cryptobyte
-crypto/x509/pkix
 github.com/prometheus/common/version
 html/template
-crypto/ecdsa
 google.golang.org/protobuf/internal/encoding/tag
 google.golang.org/protobuf/internal/impl
-vendor/golang.org/x/net/http/httpproxy
-net/textproto
+google.golang.org/protobuf/internal/filetype
+google.golang.org/protobuf/runtime/protoimpl
 crypto/x509
 golang.org/x/net/http/httpproxy
-gopkg.in/alecthomas/kingpin.v2
+net/textproto
+vendor/golang.org/x/net/http/httpproxy
 github.com/prometheus/procfs
-vendor/golang.org/x/net/http/httpguts
-golang.org/x/net/http/httpguts
-mime/multipart
-google.golang.org/protobuf/internal/filetype
-google.golang.org/protobuf/runtime/protoimpl
-crypto/tls
+gopkg.in/alecthomas/kingpin.v2
 google.golang.org/protobuf/types/known/timestamppb
-github.com/prometheus/common/promlog/flag
 github.com/prometheus/client_model/go
+vendor/golang.org/x/net/http/httpguts
+mime/multipart
+golang.org/x/net/http/httpguts
 github.com/prometheus/common/model
 github.com/prometheus/client_golang/prometheus/internal
+crypto/tls
+github.com/prometheus/common/promlog/flag
 net/http/httptrace
 github.com/coreos/go-systemd/activation
 net/http
 expvar
-golang.org/x/net/trace
-golang.org/x/oauth2/internal
 github.com/prometheus/common/expfmt
+golang.org/x/net/trace
 golang.org/x/net/http2
+golang.org/x/oauth2/internal
 golang.org/x/oauth2
 golang.org/x/oauth2/clientcredentials
 github.com/prometheus/client_golang/prometheus
@@ -818,12 +854,14 @@
 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/2242903/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2242903/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/3818642 and its subdirectories
-I: Current time: Sat Jun 14 15:41:02 -12 2025
-I: pbuilder-time-stamp: 1749958862
+I: removing directory /srv/workspace/pbuilder/2242903 and its subdirectories
+I: Current time: Mon May 13 11:19:32 +14 2024
+I: pbuilder-time-stamp: 1715548772