Diff of the two buildlogs:

--
--- b1/build.log	2024-01-07 03:34:53.936088884 +0000
+++ b2/build.log	2024-01-07 03:36:01.113130225 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Feb  7 21:55:57 -12 2025
-I: pbuilder-time-stamp: 1739008557
+I: Current time: Sun Jan  7 17:34:57 +14 2024
+I: pbuilder-time-stamp: 1704598497
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -29,49 +29,81 @@
 dpkg-source: info: applying 0002-GNUMakefile-Comment-out-golangci-lint.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2643645/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1346256/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink02-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  7 03:35 /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/1346256/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1346256/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]="15" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu")
+  BASH_VERSION='5.2.15(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='bookworm'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='240091d03e5244fda117e9e4e7a01d2f'
-  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='2643645'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=62c0b6312a964b54883bb0d3ea213946
+  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=1346256
   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.AQcXDlWJ/pbuilderrc_pDM5 --distribution bookworm --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.AQcXDlWJ/b1 --logfile b1/build.log direnv_2.32.1-2.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://192.168.101.104:3128'
+  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.AQcXDlWJ/pbuilderrc_Lep0 --distribution bookworm --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/bookworm-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.AQcXDlWJ/b2 --logfile b2/build.log direnv_2.32.1-2.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://192.168.101.104:3128
 I: uname -a
-  Linux codethink01-arm64 6.1.0-17-cloud-arm64 #1 SMP Debian 6.1.69-1 (2023-12-30) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-17-cloud-arm64 #1 SMP Debian 6.1.69-1 (2023-12-30) aarch64 GNU/Linux
 I: ls -l /bin
   total 7104
   -rwxr-xr-x 1 root root 1346480 Apr 23  2023 bash
@@ -129,15 +161,15 @@
   -rwxr-xr-x 1 root root   68456 Sep 20  2022 readlink
   -rwxr-xr-x 1 root root   68592 Sep 20  2022 rm
   -rwxr-xr-x 1 root root   68480 Sep 20  2022 rmdir
-  -rwxr-xr-x 1 root root   68392 Jul 28  2023 run-parts
+  -rwxr-xr-x 1 root root   68392 Jul 28 23:46 run-parts
   -rwxr-xr-x 1 root root  134536 Jan  5  2023 sed
-  lrwxrwxrwx 1 root root       4 Jan  5  2023 sh -> dash
+  lrwxrwxrwx 1 root root       9 Jan  7 03:35 sh -> /bin/bash
   -rwxr-xr-x 1 root root   68432 Sep 20  2022 sleep
   -rwxr-xr-x 1 root root  134088 Sep 20  2022 stty
   -rwsr-xr-x 1 root root  133312 Mar 23  2023 su
   -rwxr-xr-x 1 root root   68448 Sep 20  2022 sync
   -rwxr-xr-x 1 root root  539896 Apr  6  2023 tar
-  -rwxr-xr-x 1 root root   67904 Jul 28  2023 tempfile
+  -rwxr-xr-x 1 root root   67904 Jul 28 23:46 tempfile
   -rwxr-xr-x 1 root root  134160 Sep 20  2022 touch
   -rwxr-xr-x 1 root root   68384 Sep 20  2022 true
   -rwxr-xr-x 1 root root   67664 Mar 23  2023 ulockmgr_server
@@ -157,7 +189,7 @@
   -rwxr-xr-x 1 root root    2206 Apr 10  2022 zless
   -rwxr-xr-x 1 root root    1842 Apr 10  2022 zmore
   -rwxr-xr-x 1 root root    4577 Apr 10  2022 znew
-I: user script /srv/workspace/pbuilder/2643645/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/1346256/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -295,7 +327,7 @@
 Get: 76 http://deb.debian.org/debian bookworm/main arm64 tcsh arm64 6.24.07-1 [432 kB]
 Get: 77 http://deb.debian.org/debian bookworm/main arm64 zsh-common all 5.9-4 [4147 kB]
 Get: 78 http://deb.debian.org/debian bookworm/main arm64 zsh arm64 5.9-4+b2 [834 kB]
-Fetched 125 MB in 1s (115 MB/s)
+Fetched 125 MB in 1s (227 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libpython3.11-minimal:arm64.
 (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 ... 18171 files and directories currently installed.)
@@ -633,7 +665,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/direnv-2.32.1/ && 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  > ../direnv_2.32.1-2_source.changes
+I: user script /srv/workspace/pbuilder/1346256/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for bookworm
+I: user script /srv/workspace/pbuilder/1346256/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/direnv-2.32.1/ && 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  > ../direnv_2.32.1-2_source.changes
 dpkg-buildpackage: info: source package direnv
 dpkg-buildpackage: info: source version 2.32.1-2
 dpkg-buildpackage: info: source distribution unstable
@@ -769,30 +805,30 @@
 CGO_FFLAGS="-g -O2 -ffile-prefix-map=/build/reproducible-path/direnv-2.32.1=."
 CGO_LDFLAGS="-Wl,-z,relro"
 PKG_CONFIG="pkg-config"
-GOGCCFLAGS="-fPIC -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build3270638272=/tmp/go-build -gno-record-gcc-switches"
+GOGCCFLAGS="-fPIC -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build3417801466=/tmp/go-build -gno-record-gcc-switches"
 	cd _build && go install -trimpath -v -p 12 github.com/direnv/direnv github.com/direnv/direnv/gzenv github.com/direnv/direnv/internal/cmd github.com/direnv/direnv/pkg/dotenv github.com/direnv/direnv/pkg/sri github.com/direnv/direnv/xdg
-internal/goarch
-internal/unsafeheader
-unicode
+internal/race
 internal/goexperiment
 internal/goos
-internal/race
-unicode/utf8
+internal/goarch
+internal/unsafeheader
 math/bits
-internal/itoa
 internal/cpu
-internal/abi
+unicode/utf8
+internal/itoa
 runtime/internal/syscall
-runtime/internal/math
-sync/atomic
-runtime/internal/sys
 crypto/internal/subtle
 crypto/subtle
-math
 crypto/internal/boring/sig
-encoding
+sync/atomic
+internal/abi
+runtime/internal/math
+runtime/internal/sys
+unicode
 unicode/utf16
+encoding
 container/list
+math
 vendor/golang.org/x/crypto/cryptobyte/asn1
 internal/nettrace
 vendor/golang.org/x/crypto/internal/subtle
@@ -807,84 +843,84 @@
 runtime/cgo
 errors
 sort
-io
 internal/oserror
-path
+vendor/golang.org/x/net/dns/dnsmessage
 strconv
 internal/safefilepath
 crypto/internal/nistec/fiat
-vendor/golang.org/x/net/dns/dnsmessage
+io
+path
 syscall
 golang.org/x/mod/semver
-bytes
 strings
 hash
+bytes
 crypto/internal/randutil
 hash/adler32
 hash/crc32
+vendor/golang.org/x/text/transform
 crypto
 reflect
 crypto/rc4
-vendor/golang.org/x/text/transform
 bufio
 regexp/syntax
 net/http/internal/ascii
+internal/syscall/execenv
 time
 internal/syscall/unix
-internal/syscall/execenv
 regexp
 io/fs
 github.com/BurntSushi/toml/internal
 context
 internal/poll
-encoding/binary
-internal/fmtsort
 embed
 os
-crypto/cipher
+encoding/binary
+internal/fmtsort
 encoding/base64
-crypto/md5
+crypto/internal/nistec
 crypto/internal/edwards25519/field
+crypto/md5
 vendor/golang.org/x/crypto/internal/poly1305
 golang.org/x/sys/unix
-crypto/internal/nistec
+crypto/cipher
 vendor/golang.org/x/crypto/curve25519/internal/field
 encoding/pem
-crypto/internal/boring
-crypto/des
-vendor/golang.org/x/crypto/chacha20
+crypto/internal/edwards25519
 fmt
 io/ioutil
-path/filepath
-os/signal
 internal/godebug
+os/signal
+path/filepath
+crypto/internal/boring
+crypto/des
+vendor/golang.org/x/crypto/chacha20
+internal/intern
 crypto/sha256
 crypto/sha512
 crypto/aes
-crypto/internal/edwards25519
 crypto/hmac
 crypto/sha1
-internal/intern
 github.com/direnv/direnv/xdg
-vendor/golang.org/x/crypto/chacha20poly1305
 net/netip
-vendor/golang.org/x/crypto/hkdf
 os/exec
+vendor/golang.org/x/crypto/hkdf
+vendor/golang.org/x/crypto/chacha20poly1305
 encoding/json
 compress/flate
 github.com/direnv/direnv/pkg/dotenv
 encoding/hex
 log
 net/url
-vendor/golang.org/x/crypto/curve25519
 math/big
+vendor/golang.org/x/crypto/curve25519
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/net/http2/hpack
-net
 mime
 mime/quotedprintable
 github.com/direnv/direnv/pkg/sri
 vendor/golang.org/x/text/unicode/bidi
+net
 net/http/internal
 text/template/parse
 compress/zlib
@@ -898,16 +934,16 @@
 crypto/rand
 crypto/elliptic
 crypto/internal/boring/bbig
-encoding/asn1
 crypto/dsa
+encoding/asn1
 crypto/ed25519
 crypto/rsa
-vendor/golang.org/x/crypto/cryptobyte
 crypto/x509/pkix
+vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
-crypto/x509
-net/textproto
 vendor/golang.org/x/net/http/httpproxy
+net/textproto
+crypto/x509
 vendor/golang.org/x/net/http/httpguts
 mime/multipart
 crypto/tls
@@ -952,7 +988,7 @@
 === RUN   TestShellDetection
 --- PASS: TestShellDetection (0.00s)
 PASS
-ok  	github.com/direnv/direnv/internal/cmd	0.046s
+ok  	github.com/direnv/direnv/internal/cmd	0.016s
 === RUN   TestDotEnvExported
 --- PASS: TestDotEnvExported (0.00s)
 === RUN   TestDotEnvPlain
@@ -972,15 +1008,15 @@
 === RUN   TestVariableExpansionWithDefaults
 --- PASS: TestVariableExpansionWithDefaults (0.00s)
 PASS
-ok  	github.com/direnv/direnv/pkg/dotenv	0.038s
+ok  	github.com/direnv/direnv/pkg/dotenv	0.004s
 === RUN   TestWriter
 --- PASS: TestWriter (0.00s)
 === RUN   TestParser
 --- PASS: TestParser (0.00s)
 PASS
-ok  	github.com/direnv/direnv/pkg/sri	0.011s
+ok  	github.com/direnv/direnv/pkg/sri	0.004s
 ?   	github.com/direnv/direnv/xdg	[no test files]
-	rm -fr -- /tmp/dh-xdg-rundir-hqHsWY2C
+	rm -fr -- /tmp/dh-xdg-rundir-JBW0jSCV
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -1018,18 +1054,18 @@
 	install -p -m0644 ./man/direnv-stdlib.1 debian/direnv/usr/share/man/man1/direnv-stdlib.1
 	install -m0755 -d debian/direnv/usr/share/man/man1/
 	install -p -m0644 ./man/direnv.toml.1 debian/direnv/usr/share/man/man1/direnv.toml.1
+	man-recode --to-code UTF-8 --suffix .dh-new debian/direnv/usr/share/man/man1/direnv-fetchurl.1
 	man-recode --to-code UTF-8 --suffix .dh-new debian/direnv/usr/share/man/man1/direnv-stdlib.1
 	man-recode --to-code UTF-8 --suffix .dh-new debian/direnv/usr/share/man/man1/direnv.1
-	man-recode --to-code UTF-8 --suffix .dh-new debian/direnv/usr/share/man/man1/direnv-fetchurl.1
 	man-recode --to-code UTF-8 --suffix .dh-new debian/direnv/usr/share/man/man1/direnv.toml.1
 	mv debian/direnv/usr/share/man/man1/direnv-fetchurl.1.dh-new debian/direnv/usr/share/man/man1/direnv-fetchurl.1
 	chmod 0644 -- debian/direnv/usr/share/man/man1/direnv-fetchurl.1
+	mv debian/direnv/usr/share/man/man1/direnv.1.dh-new debian/direnv/usr/share/man/man1/direnv.1
+	chmod 0644 -- debian/direnv/usr/share/man/man1/direnv.1
 	mv debian/direnv/usr/share/man/man1/direnv.toml.1.dh-new debian/direnv/usr/share/man/man1/direnv.toml.1
 	chmod 0644 -- debian/direnv/usr/share/man/man1/direnv.toml.1
 	mv debian/direnv/usr/share/man/man1/direnv-stdlib.1.dh-new debian/direnv/usr/share/man/man1/direnv-stdlib.1
 	chmod 0644 -- debian/direnv/usr/share/man/man1/direnv-stdlib.1
-	mv debian/direnv/usr/share/man/man1/direnv.1.dh-new debian/direnv/usr/share/man/man1/direnv.1
-	chmod 0644 -- debian/direnv/usr/share/man/man1/direnv.1
    dh_installsystemduser -O--builddirectory=_build -O--buildsystem=golang
    dh_perl -O--builddirectory=_build -O--buildsystem=golang
    dh_link -O--builddirectory=_build -O--buildsystem=golang
@@ -1104,12 +1140,14 @@
 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/1346256/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1346256/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/2643645 and its subdirectories
-I: Current time: Fri Feb  7 21:57:52 -12 2025
-I: pbuilder-time-stamp: 1739008672
+I: removing directory /srv/workspace/pbuilder/1346256 and its subdirectories
+I: Current time: Sun Jan  7 17:36:00 +14 2024
+I: pbuilder-time-stamp: 1704598560