Diff of the two buildlogs:

--
--- b1/build.log	2024-12-21 22:26:47.443816116 +0000
+++ b2/build.log	2024-12-21 22:28:06.168248393 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Jan 23 16:48:36 -12 2026
-I: pbuilder-time-stamp: 1769230116
+I: Current time: Sat Jan 24 18:49:50 +14 2026
+I: pbuilder-time-stamp: 1769230190
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 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/2380086/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3067725/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink01-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 Jan 24 04:49 /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/3067725/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3067725/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]="37" [3]="1" [4]="release" [5]="aarch64-unknown-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=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='dbc3f3470f5945678427916967b3015f'
-  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='2380086'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=3370a2944c234abdb9a9baddd02c39c0
+  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=3067725
   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.stXOeTBr/pbuilderrc_KQaP --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.stXOeTBr/b1 --logfile b1/build.log prometheus-ipmi-exporter_1.9.0-1.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.stXOeTBr/pbuilderrc_PCVg --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.stXOeTBr/b2 --logfile b2/build.log prometheus-ipmi-exporter_1.9.0-1.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 codethink03-arm64 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-cloud-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2380086/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/3067725/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -525,7 +557,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/prometheus-ipmi-exporter-1.9.0/ && 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_1.9.0-1_source.changes
+I: user script /srv/workspace/pbuilder/3067725/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3067725/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/prometheus-ipmi-exporter-1.9.0/ && 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_1.9.0-1_source.changes
 dpkg-buildpackage: info: source package prometheus-ipmi-exporter
 dpkg-buildpackage: info: source version 1.9.0-1
 dpkg-buildpackage: info: source distribution unstable
@@ -546,30 +582,30 @@
 make[1]: Entering directory '/build/reproducible-path/prometheus-ipmi-exporter-1.9.0'
 dh_auto_build -- -ldflags " -X github.com/prometheus/common/version.Version=1.9.0 -X github.com/prometheus/common/version.Revision=1.9.0-1 -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=20241105-23:13:14 -X github.com/prometheus/common/version.GoVersion=go1.23.4"
 	cd _build && go install -trimpath -v -p 12 -ldflags " -X github.com/prometheus/common/version.Version=1.9.0 -X github.com/prometheus/common/version.Revision=1.9.0-1 -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=20241105-23:13:14 -X github.com/prometheus/common/version.GoVersion=go1.23.4" github.com/prometheus-community/ipmi_exporter github.com/prometheus-community/ipmi_exporter/freeipmi
-cmp
-internal/byteorder
 internal/godebugs
-internal/itoa
-internal/goos
-internal/profilerecord
 internal/coverage/rtcov
-internal/goexperiment
+cmp
 internal/goarch
+internal/goos
+internal/profilerecord
+internal/byteorder
 internal/unsafeheader
-internal/cpu
+internal/itoa
+internal/goexperiment
 internal/runtime/syscall
+internal/cpu
 internal/race
 math/bits
 unicode/utf8
 sync/atomic
-unicode
+runtime/internal/math
+internal/abi
+runtime/internal/sys
+internal/chacha8rand
 internal/asan
+unicode
 internal/msan
 encoding
-internal/chacha8rand
-runtime/internal/math
-runtime/internal/sys
-internal/abi
 unicode/utf16
 log/internal
 crypto/internal/alias
@@ -580,201 +616,201 @@
 math
 vendor/golang.org/x/crypto/internal/alias
 internal/nettrace
-google.golang.org/protobuf/internal/flags
 internal/bytealg
 internal/runtime/atomic
+google.golang.org/protobuf/internal/flags
 google.golang.org/protobuf/internal/set
 log/slog/internal
 internal/stringslite
 internal/runtime/exithook
-github.com/klauspost/compress
 runtime
+github.com/klauspost/compress
 internal/reflectlite
 iter
 internal/weak
 runtime/metrics
 sync
-maps
 slices
+maps
 internal/bisect
-internal/singleflight
 internal/testlog
 google.golang.org/protobuf/internal/pragma
+internal/singleflight
 log/slog/internal/buffer
 runtime/cgo
 errors
 sort
 internal/oserror
-path
 io
-strconv
+path
 internal/godebug
 crypto/internal/edwards25519/field
-bytes
-hash
-crypto/internal/randutil
-math/rand
-math/rand/v2
-strings
-crypto/internal/nistec/fiat
 vendor/golang.org/x/net/dns/dnsmessage
+crypto/internal/nistec/fiat
+strconv
+math/rand/v2
+bytes
 syscall
+strings
 reflect
-crypto
-hash/crc32
+crypto/internal/randutil
 crypto/rc4
+math/rand
+hash
 crypto/internal/edwards25519
 internal/concurrent
-crypto/md5
+github.com/beorn7/perks/quantile
+crypto
 crypto/cipher
-unique
-vendor/golang.org/x/text/transform
+hash/crc32
+crypto/md5
 bufio
 regexp/syntax
+unique
+vendor/golang.org/x/text/transform
+net/http/internal/ascii
 crypto/internal/boring
 crypto/des
-net/http/internal/ascii
-github.com/beorn7/perks/quantile
-net/netip
 hash/fnv
 github.com/munnerz/goautoneg
+net/netip
+html
+golang.org/x/text/transform
 crypto/aes
 crypto/sha512
 crypto/hmac
 crypto/sha1
 crypto/sha256
-html
-vendor/golang.org/x/crypto/hkdf
-golang.org/x/text/transform
 golang.org/x/crypto/blowfish
+vendor/golang.org/x/crypto/hkdf
 regexp
-internal/syscall/execenv
 time
+internal/syscall/execenv
 internal/syscall/unix
-github.com/jpillora/backoff
+internal/fmtsort
+encoding/binary
 context
+github.com/jpillora/backoff
 io/fs
 internal/poll
-internal/fmtsort
-encoding/binary
 internal/filepathlite
 embed
-google.golang.org/protobuf/internal/editiondefaults
-crypto/internal/nistec
-os
 encoding/base64
+vendor/golang.org/x/crypto/internal/poly1305
 vendor/golang.org/x/crypto/chacha20
 github.com/cespare/xxhash
-github.com/klauspost/compress/internal/snapref
-vendor/golang.org/x/crypto/internal/poly1305
 golang.org/x/sys/unix
+github.com/klauspost/compress/internal/snapref
+google.golang.org/protobuf/internal/editiondefaults
+crypto/internal/nistec
+os
 encoding/pem
 vendor/golang.org/x/crypto/chacha20poly1305
 crypto/ecdh
 fmt
+google.golang.org/protobuf/internal/detrand
+path/filepath
 io/ioutil
 internal/lazyregexp
 github.com/prometheus/procfs/internal/util
-google.golang.org/protobuf/internal/detrand
-vendor/golang.org/x/sys/cpu
 os/signal
-path/filepath
+vendor/golang.org/x/sys/cpu
 net
 vendor/golang.org/x/crypto/sha3
 os/exec
 encoding/hex
-encoding/csv
-github.com/go-logfmt/logfmt
 encoding/json
-net/url
 log
-vendor/golang.org/x/text/unicode/norm
-math/big
+net/url
 compress/flate
 vendor/golang.org/x/net/http2/hpack
+math/big
+encoding/csv
+vendor/golang.org/x/text/unicode/norm
+github.com/go-logfmt/logfmt
 mime
+vendor/golang.org/x/text/unicode/bidi
 mime/quotedprintable
 net/http/internal
-vendor/golang.org/x/text/unicode/bidi
 google.golang.org/protobuf/internal/errors
+google.golang.org/protobuf/encoding/protowire
 go/token
 google.golang.org/protobuf/internal/version
-google.golang.org/protobuf/encoding/protowire
+google.golang.org/protobuf/reflect/protoreflect
+compress/gzip
 github.com/prometheus/procfs/internal/fs
 runtime/debug
-compress/gzip
 github.com/klauspost/compress/fse
-go/scanner
 github.com/alecthomas/units
-google.golang.org/protobuf/reflect/protoreflect
+go/scanner
 go/doc/comment
 text/template/parse
-golang.org/x/net/bpf
-go/ast
 vendor/golang.org/x/text/secure/bidirule
+golang.org/x/net/bpf
 golang.org/x/sync/errgroup
-golang.org/x/net/internal/timeseries
 github.com/klauspost/compress/huff0
+go/ast
+golang.org/x/net/internal/timeseries
 text/tabwriter
-vendor/golang.org/x/net/idna
 github.com/mdlayher/socket
-github.com/go-kit/log
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
 golang.org/x/net/http2/hpack
+vendor/golang.org/x/net/idna
 google.golang.org/protobuf/internal/descfmt
-github.com/go-kit/log/level
+github.com/go-kit/log
 google.golang.org/protobuf/internal/descopts
 google.golang.org/protobuf/internal/strs
 google.golang.org/protobuf/internal/encoding/messageset
+google.golang.org/protobuf/internal/genid
+google.golang.org/protobuf/internal/order
+google.golang.org/protobuf/internal/encoding/text
+google.golang.org/protobuf/reflect/protoregistry
 crypto/rand
 crypto/elliptic
 crypto/internal/bigmod
 crypto/internal/boring/bbig
 encoding/asn1
-crypto/dsa
-google.golang.org/protobuf/internal/encoding/text
-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/prometheus-community/ipmi_exporter/freeipmi
 crypto/ed25519
 crypto/internal/hpke
 crypto/internal/mlkem768
+crypto/dsa
+google.golang.org/protobuf/runtime/protoiface
+github.com/go-kit/log/level
 github.com/klauspost/compress/zstd
 crypto/rsa
-github.com/prometheus/common/promlog
+google.golang.org/protobuf/internal/encoding/defval
 go/doc
 text/template
 google.golang.org/protobuf/proto
 golang.org/x/text/secure/bidirule
+github.com/prometheus-community/ipmi_exporter/freeipmi
+github.com/prometheus/common/promlog
 gopkg.in/yaml.v2
-google.golang.org/protobuf/internal/encoding/defval
 log/slog
-golang.org/x/crypto/bcrypt
 golang.org/x/net/idna
+golang.org/x/crypto/bcrypt
 vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
 google.golang.org/protobuf/internal/filedesc
 google.golang.org/protobuf/encoding/prototext
 google.golang.org/protobuf/encoding/protodelim
 crypto/ecdsa
+github.com/prometheus/common/promslog
 github.com/prometheus/common/version
 html/template
-github.com/prometheus/common/promslog
 google.golang.org/protobuf/internal/encoding/tag
 google.golang.org/protobuf/internal/impl
 vendor/golang.org/x/net/http/httpproxy
-golang.org/x/net/http/httpproxy
 net/textproto
-github.com/mdlayher/vsock
 gopkg.in/alecthomas/kingpin.v2
+github.com/mdlayher/vsock
 crypto/x509
 github.com/prometheus/procfs
+golang.org/x/net/http/httpproxy
 vendor/golang.org/x/net/http/httpguts
-golang.org/x/net/http/httpguts
 mime/multipart
+golang.org/x/net/http/httpguts
 google.golang.org/protobuf/internal/filetype
 google.golang.org/protobuf/runtime/protoimpl
 google.golang.org/protobuf/types/known/timestamppb
@@ -788,16 +824,16 @@
 net/http
 expvar
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil/header
-golang.org/x/net/trace
 golang.org/x/oauth2/internal
+golang.org/x/net/trace
 github.com/prometheus/common/expfmt
 golang.org/x/net/http2
 github.com/prometheus/client_golang/internal/github.com/golang/gddo/httputil
 golang.org/x/oauth2
 golang.org/x/oauth2/clientcredentials
 github.com/prometheus/client_golang/prometheus
-github.com/prometheus/client_golang/prometheus/promhttp
 github.com/mwitkow/go-conntrack
+github.com/prometheus/client_golang/prometheus/promhttp
 github.com/prometheus/common/config
 github.com/prometheus/exporter-toolkit/web
 github.com/prometheus/exporter-toolkit/web/kingpinflag
@@ -866,12 +902,14 @@
 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/3067725/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3067725/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/2380086 and its subdirectories
-I: Current time: Fri Jan 23 16:49:46 -12 2026
-I: pbuilder-time-stamp: 1769230186
+I: removing directory /srv/workspace/pbuilder/3067725 and its subdirectories
+I: Current time: Sat Jan 24 18:51:05 +14 2026
+I: pbuilder-time-stamp: 1769230265