Diff of the two buildlogs:

--
--- b1/build.log	2023-04-22 10:30:00.188440239 +0000
+++ b2/build.log	2023-04-22 10:31:36.728160907 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Apr 21 22:26:56 -12 2023
-I: pbuilder-time-stamp: 1682159216
+I: Current time: Sat May 25 06:53:02 +14 2024
+I: pbuilder-time-stamp: 1716569582
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./golang-github-schollz-progressbar_3.8.2.orig.tar.gz]
 I: copying [./golang-github-schollz-progressbar_3.8.2-1.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Tue Aug 10 07:25:51 2021 -12
+gpgv: Signature made Wed Aug 11 09:25:51 2021 +14
 gpgv:                using RSA key 3E99A526F5DCC0CBBF1CEEA600BAE74B343369F1
 gpgv:                issuer "npatra974@gmail.com"
 gpgv: Can't check signature: No public key
@@ -29,52 +29,84 @@
 dpkg-source: info: applying fix-non-amd64.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/12731/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/4659/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink9-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 25 06:53 /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/4659/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/4659/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  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
+  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=8'
-  DISTRIBUTION='bookworm'
-  HOME='/var/lib/jenkins'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/var/lib/jenkins
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  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='12731'
-  PS1='# '
-  PS2='> '
+  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=4659
   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.abzomsag/pbuilderrc_xFe1 --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.abzomsag/b1 --logfile b1/build.log golang-github-schollz-progressbar_3.8.2-1.dsc'
-  SUDO_GID='117'
-  SUDO_UID='110'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  USERNAME='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://192.168.101.16:3128'
+  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.abzomsag/pbuilderrc_t3mq --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.abzomsag/b2 --logfile b2/build.log --extrapackages usrmerge golang-github-schollz-progressbar_3.8.2-1.dsc'
+  SUDO_GID=117
+  SUDO_UID=110
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  USERNAME=root
+  _='I: set'
+  http_proxy=http://192.168.101.16:3128
 I: uname -a
-  Linux codethink16-arm64 4.15.0-209-generic #220-Ubuntu SMP Tue Mar 21 19:52:44 UTC 2023 aarch64 GNU/Linux
+  Linux i-capture-the-hostname 4.15.0-209-generic #220-Ubuntu SMP Tue Mar 21 19:52:44 UTC 2023 aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Apr 19 22:25 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/12731/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 May 24 06:48 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/4659/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -388,8 +420,17 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/golang-github-schollz-progressbar-3.8.2/ && 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-schollz-progressbar_3.8.2-1_source.changes
+I: user script /srv/workspace/pbuilder/4659/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+I: user script /srv/workspace/pbuilder/4659/tmp/hooks/A99_set_merged_usr finished
+hostname: Temporary failure in name resolution
+I: Running cd /build/golang-github-schollz-progressbar-3.8.2/ && 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-schollz-progressbar_3.8.2-1_source.changes
 dpkg-buildpackage: info: source package golang-github-schollz-progressbar
 dpkg-buildpackage: info: source version 3.8.2-1
 dpkg-buildpackage: info: source distribution unstable
@@ -408,98 +449,98 @@
    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 8 github.com/schollz/progressbar github.com/schollz/progressbar/examples/basic github.com/schollz/progressbar/examples/customization github.com/schollz/progressbar/examples/download github.com/schollz/progressbar/examples/download-unknown
-internal/goarch
-internal/goexperiment
 internal/goos
+internal/unsafeheader
 math/bits
+internal/goarch
 internal/itoa
-internal/unsafeheader
+internal/goexperiment
 runtime/internal/syscall
 internal/cpu
+unicode/utf8
+internal/race
 internal/abi
 runtime/internal/math
 runtime/internal/sys
-unicode/utf8
-internal/race
 sync/atomic
-unicode
 container/list
+unicode
 math
 crypto/internal/subtle
 crypto/subtle
-crypto/internal/boring/sig
-runtime/internal/atomic
 internal/bytealg
+github.com/rivo/uniseg
+runtime/internal/atomic
+crypto/internal/boring/sig
 unicode/utf16
 vendor/golang.org/x/crypto/cryptobyte/asn1
-github.com/rivo/uniseg
 internal/nettrace
 vendor/golang.org/x/crypto/internal/subtle
 runtime
 internal/reflectlite
 sync
-internal/singleflight
 internal/testlog
+internal/singleflight
 math/rand
 runtime/cgo
-sort
 errors
-io
-internal/oserror
+sort
 internal/safefilepath
+internal/oserror
+io
 path
 strconv
 crypto/internal/nistec/fiat
-syscall
 vendor/golang.org/x/net/dns/dnsmessage
-bytes
-strings
+syscall
 hash
+strings
+bytes
 hash/crc32
 crypto/internal/randutil
-net/http/internal/ascii
-bufio
 vendor/golang.org/x/text/transform
-regexp/syntax
-reflect
 crypto
+reflect
+regexp/syntax
+bufio
 crypto/rc4
+net/http/internal/ascii
 internal/syscall/unix
-time
 internal/syscall/execenv
+time
 regexp
-internal/poll
-io/fs
 context
+io/fs
+internal/poll
 embed
+os
 internal/fmtsort
 encoding/binary
-os
-vendor/golang.org/x/crypto/internal/poly1305
-crypto/md5
 crypto/internal/edwards25519/field
-encoding/base64
 crypto/cipher
+crypto/md5
+vendor/golang.org/x/crypto/internal/poly1305
+encoding/base64
 crypto/internal/nistec
 golang.org/x/sys/unix
-vendor/golang.org/x/crypto/curve25519/internal/field
-encoding/pem
 fmt
 github.com/mattn/go-runewidth
 io/ioutil
+crypto/internal/edwards25519
+encoding/pem
 crypto/internal/boring
 crypto/des
-crypto/internal/edwards25519
-internal/godebug
 crypto/aes
 crypto/sha512
 crypto/hmac
 crypto/sha1
 crypto/sha256
-internal/intern
+internal/godebug
 path/filepath
-net/netip
+internal/intern
 vendor/golang.org/x/crypto/chacha20
+vendor/golang.org/x/crypto/curve25519/internal/field
+net/netip
 vendor/golang.org/x/crypto/hkdf
 vendor/golang.org/x/crypto/chacha20poly1305
 github.com/mitchellh/colorstring
@@ -513,27 +554,27 @@
 vendor/golang.org/x/text/unicode/norm
 vendor/golang.org/x/net/http2/hpack
 net
-mime
 vendor/golang.org/x/text/unicode/bidi
+mime
+compress/gzip
 mime/quotedprintable
 net/http/internal
-compress/gzip
-vendor/golang.org/x/text/secure/bidirule
 golang.org/x/term
-vendor/golang.org/x/net/idna
+vendor/golang.org/x/text/secure/bidirule
 golang.org/x/crypto/ssh/terminal
 github.com/schollz/progressbar
+vendor/golang.org/x/net/idna
 crypto/rand
 crypto/elliptic
 crypto/internal/boring/bbig
 encoding/asn1
 crypto/dsa
-crypto/ed25519
-crypto/rsa
 github.com/schollz/progressbar/examples/basic
 github.com/schollz/progressbar/examples/customization
-vendor/golang.org/x/crypto/cryptobyte
+crypto/ed25519
+crypto/rsa
 crypto/x509/pkix
+vendor/golang.org/x/crypto/cryptobyte
 crypto/ecdsa
 vendor/golang.org/x/net/http/httpproxy
 net/textproto
@@ -543,8 +584,8 @@
 crypto/tls
 net/http/httptrace
 net/http
-github.com/schollz/progressbar/examples/download-unknown
 github.com/schollz/progressbar/examples/download
+github.com/schollz/progressbar/examples/download-unknown
    dh_auto_test -O--builddirectory=_build -O--buildsystem=golang
 	cd _build && go test -vet=off -v -p 8 github.com/schollz/progressbar github.com/schollz/progressbar/examples/basic github.com/schollz/progressbar/examples/customization github.com/schollz/progressbar/examples/download github.com/schollz/progressbar/examples/download-unknown
 === RUN   TestSpinnerType
@@ -574,7 +615,7 @@
 === RUN   TestReaderToFileUnknownLength
 --- PASS: TestReaderToFileUnknownLength (0.00s)
 === RUN   TestConcurrency
---- PASS: TestConcurrency (0.02s)
+--- PASS: TestConcurrency (0.01s)
 === RUN   TestIterationNames
 --- PASS: TestIterationNames (0.00s)
 === RUN   ExampleProgressBar
@@ -602,7 +643,7 @@
 === RUN   ExampleOptionSetPredictTime
 --- PASS: ExampleOptionSetPredictTime (0.00s)
 === RUN   ExampleDefault
-


   8% |███                                          | (8/100, 112 it/s) [0s:0s]
                                                                               

  15% |██████                                      | (15/100, 104 it/s) [0s:0s]
                                                                               

  22% |█████████                                   | (22/100, 102 it/s) [0s:0s]
                                                                               

  28% |████████████                                | (29/100, 100 it/s) [0s:0s]
                                                                               

  35% |███████████████                              | (35/100, 96 it/s) [0s:0s]
                                                                               

  42% |██████████████████                           | (42/100, 97 it/s) [0s:0s]
                                                                               

  49% |██████████████████████                       | (49/100, 97 it/s) [0s:0s]--- PASS: ExampleDefault (0.53s)
+


   8% |███                                          | (8/100, 112 it/s) [0s:0s]
                                                                               

  15% |██████                                      | (15/100, 105 it/s) [0s:0s]
                                                                               

  22% |█████████                                   | (22/100, 103 it/s) [0s:0s]
                                                                               

  28% |████████████                                | (29/100, 102 it/s) [0s:0s]
                                                                               

  36% |███████████████                             | (36/100, 101 it/s) [0s:0s]
                                                                               

  43% |██████████████████                          | (43/100, 101 it/s) [0s:0s]
                                                                               

  50% |██████████████████████                      | (50/100, 100 it/s) [0s:0s]--- PASS: ExampleDefault (0.51s)
 === RUN   ExampleOptionChangeMax
 --- PASS: ExampleOptionChangeMax (0.00s)
 === RUN   ExampleIgnoreLength_WithIteration
@@ -614,7 +655,7 @@
 === RUN   ExampleProgressBar_Describe
 --- PASS: ExampleProgressBar_Describe (1.00s)
 PASS
-ok  	github.com/schollz/progressbar	14.983s
+ok  	github.com/schollz/progressbar	14.935s
 ?   	github.com/schollz/progressbar/examples/basic	[no test files]
 ?   	github.com/schollz/progressbar/examples/customization	[no test files]
 ?   	github.com/schollz/progressbar/examples/download	[no test files]
@@ -651,12 +692,14 @@
 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/4659/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/4659/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/12731 and its subdirectories
-I: Current time: Fri Apr 21 22:29:59 -12 2023
-I: pbuilder-time-stamp: 1682159399
+I: removing directory /srv/workspace/pbuilder/4659 and its subdirectories
+I: Current time: Sat May 25 06:54:35 +14 2024
+I: pbuilder-time-stamp: 1716569675