Diff of the two buildlogs:

--
--- b1/build.log	2024-01-07 18:46:46.167072797 +0000
+++ b2/build.log	2024-01-07 18:47:28.653409716 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Jan  7 06:45:54 -12 2024
-I: pbuilder-time-stamp: 1704653154
+I: Current time: Sun Feb  9 15:09:48 +14 2025
+I: pbuilder-time-stamp: 1739063388
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -25,49 +25,81 @@
 dpkg-source: info: unpacking libmethod-signatures-perl_20170211-3.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1315509/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2378201/tmp/hooks/D01_modify_environment starting
+debug: Running on codethink03-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 Feb  9 01:09 /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/2378201/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2378201/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='089e1d4016e44dd1aaa497ea674cb706'
-  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='1315509'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=f3f07e0d55c94e58861293d16fa60b78
+  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=2378201
   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.QMDPWQDv/pbuilderrc_HeHY --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.QMDPWQDv/b1 --logfile b1/build.log libmethod-signatures-perl_20170211-3.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.QMDPWQDv/pbuilderrc_TITQ --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.QMDPWQDv/b2 --logfile b2/build.log libmethod-signatures-perl_20170211-3.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 codethink04-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
@@ -125,15 +157,15 @@
   -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 23:46 run-parts
+  -rwxr-xr-x 1 root root   68392 Jul 28  2023 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 Feb  9 01:09 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 23:46 tempfile
+  -rwxr-xr-x 1 root root   67904 Jul 28  2023 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
@@ -153,7 +185,7 @@
   -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/1315509/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/2378201/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -286,7 +318,7 @@
 Get: 73 http://deb.debian.org/debian bookworm/main arm64 libsub-uplevel-perl all 0.2800-3 [14.0 kB]
 Get: 74 http://deb.debian.org/debian bookworm/main arm64 libtest-exception-perl all 0.43-3 [16.9 kB]
 Get: 75 http://deb.debian.org/debian bookworm/main arm64 libtest-warn-perl all 0.37-2 [14.5 kB]
-Fetched 20.6 MB in 0s (61.6 MB/s)
+Fetched 20.6 MB in 0s (114 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 ... 18171 files and directories currently installed.)
@@ -603,7 +635,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/libmethod-signatures-perl-20170211/ && 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  > ../libmethod-signatures-perl_20170211-3_source.changes
+I: user script /srv/workspace/pbuilder/2378201/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for bookworm
+I: user script /srv/workspace/pbuilder/2378201/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libmethod-signatures-perl-20170211/ && 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  > ../libmethod-signatures-perl_20170211-3_source.changes
 dpkg-buildpackage: info: source package libmethod-signatures-perl
 dpkg-buildpackage: info: source version 20170211-3
 dpkg-buildpackage: info: source distribution unstable
@@ -886,22 +922,22 @@
 ok
 Any::Moose is deprecated. Please use Moo instead at /build/reproducible-path/libmethod-signatures-perl-20170211/blib/lib/Method/Signatures.pm line 1293.
 t/error_reporting.t .............. 
-ok 1 - named param following optional positional reports correctly
-ok 2 - mispositioned slurpy param reports correctly
+ok 1 - named slurpy param reports correctly
+ok 2 - illegal param spec reports correctly
 ok 3 - positional param following named reports correctly
-ok 4 - multiple slurpy params reports correctly
-ok 5 - trailing code after param reports correctly
-ok 6 - illegal param spec reports correctly
-ok 7 - named slurpy param reports correctly
-ok 8 - required param after an optional param
-ok 9 - BadType loads correctly
-ok 10 - incorrect type reports correctly
-ok 11 - NoSuchNamed loads correctly
-ok 12 - no such named param reports correctly
-ok 13 - MissingRequired loads correctly
-ok 14 - missing required param reports correctly
-ok 15 - UnknownType loads correctly
-ok 16 - unrecognized type reports correctly
+ok 4 - named param following optional positional reports correctly
+ok 5 - required param after an optional param
+ok 6 - trailing code after param reports correctly
+ok 7 - multiple slurpy params reports correctly
+ok 8 - mispositioned slurpy param reports correctly
+ok 9 - MissingRequired loads correctly
+ok 10 - missing required param reports correctly
+ok 11 - UnknownType loads correctly
+ok 12 - unrecognized type reports correctly
+ok 13 - BadType loads correctly
+ok 14 - incorrect type reports correctly
+ok 15 - NoSuchNamed loads correctly
+ok 16 - no such named param reports correctly
 ok 17 # skip MooseX::Declare required for this test
 1..17
 ok
@@ -1049,25 +1085,25 @@
 1..1
 ok
 t/parameters.t ................... 
-ok 1 - parameters - @args = (1,2,3)
-ok 2 - parameters - :$foo, $bar?
-ok 3 - parameters - $sum = 2+2, $div = 2/2
-ok 4 - parameters - $foo
-ok 5 - parameters - $foo,    $, $bar, $ = $,, $
-ok 6 - parameters - $foo, @
-ok 7 - parameters - $foo = "Hello, world!"
-ok 8 - parameters - $code = sub { my $bar = 2+2; }, :$this
-ok 9 - parameters - $foo, %
-ok 10 - parameters - $foo, $bar
-ok 11 - parameters - $foo = [1,2,3], $bar = { this => 23, that => 42 }
-ok 12 - parameters - 
+ok 1 - parameters - 
 #         $num    = 42,
 #         $string = q[Hello, world!],
 #         $hash   = { this => 42, that => 23 },
 #         $code   = sub { $num + 4 },
 #         @nums   = (1,2,3)
 #     
-ok 13 - parameters - 
+ok 2 - parameters - $foo
+ok 3 - parameters - $sum = 2+2, $div = 2/2
+ok 4 - parameters - $foo, @
+ok 5 - parameters - $foo = [1,2,3], $bar = { this => 23, that => 42 }
+ok 6 - parameters - 
+ok 7 - parameters - $code = sub { my $bar = 2+2; }, :$this
+ok 8 - parameters - $foo, $bar
+ok 9 - parameters - :$foo, $bar?
+ok 10 - parameters - @args = (1,2,3)
+ok 11 - parameters - $foo,    $, $bar, $ = $,, $
+ok 12 - parameters - $foo = "Hello, world!"
+ok 13 - parameters - $foo, %
 ok 14 - parameters - Int $ where { $_ < 10 } = 4
 # line numbers
 ok 15
@@ -1252,37 +1288,37 @@
 ok 4 - no warnings from declaring bool param
 ok 5 - call with good value for bool passes (alternative 1)
 ok 6 - call with bad value for bool dies
-# name/type/goodval/badval aref/ArrayRef/ARRAY(0xaaaab626e258)/42
+# name/type/goodval/badval aref/ArrayRef/ARRAY(0xaaaadf09d178)/42
 ok 7 - no warnings from declaring aref param
 ok 8 - call with good value for aref passes (alternative 1)
 ok 9 - call with bad value for aref dies
-# name/type/goodval/badval class/Foo::Bar/Foo::Bar=HASH(0xaaaab6243518)/Foo::Baz=HASH(0xaaaab6243710)
+# name/type/goodval/badval class/Foo::Bar/Foo::Bar=HASH(0xaaaadf072518)/Foo::Baz=HASH(0xaaaadf072710)
 ok 10 - no warnings from declaring class param
 ok 11 - call with good value for class passes (alternative 1)
 ok 12 - call with bad value for class dies
-# name/type/goodval/badval maybe_int/Maybe[Int]/ARRAY(0xaaaab626ef00)/foo
+# name/type/goodval/badval maybe_int/Maybe[Int]/ARRAY(0xaaaadf09de20)/foo
 ok 13 - no warnings from declaring maybe_int param
 ok 14 - call with good value for maybe_int passes (alternative 1)
 ok 15 - call with good value for maybe_int passes (alternative 2)
 ok 16 - call with bad value for maybe_int dies
-# name/type/goodval/badval paramized_aref/ArrayRef[Num]/ARRAY(0xaaaab6e10ad0)/ARRAY(0xaaaab6e10e48)
+# name/type/goodval/badval paramized_aref/ArrayRef[Num]/ARRAY(0xaaaadfc3ef60)/ARRAY(0xaaaadfc3f2d8)
 ok 17 - no warnings from declaring paramized_aref param
 ok 18 - call with good value for paramized_aref passes (alternative 1)
 ok 19 - call with bad value for paramized_aref dies
-# name/type/goodval/badval paramized_href/HashRef[Num]/HASH(0xaaaab6e10f50)/HASH(0xaaaab6e43b58)
+# name/type/goodval/badval paramized_href/HashRef[Num]/HASH(0xaaaadfc3f3e0)/HASH(0xaaaadfc72748)
 ok 20 - no warnings from declaring paramized_href param
 ok 21 - call with good value for paramized_href passes (alternative 1)
 ok 22 - call with bad value for paramized_href dies
-# name/type/goodval/badval paramized_nested/HashRef[ArrayRef[Int]]/HASH(0xaaaab6e44140)/HASH(0xaaaab6e10d88)
+# name/type/goodval/badval paramized_nested/HashRef[ArrayRef[Int]]/HASH(0xaaaadfc72d30)/HASH(0xaaaadfc3f218)
 ok 23 - no warnings from declaring paramized_nested param
 ok 24 - call with good value for paramized_nested passes (alternative 1)
 ok 25 - call with bad value for paramized_nested dies
-# name/type/goodval/badval int_or_aref/Int|ArrayRef[Int]/ARRAY(0xaaaab6e10ab8)/foo
+# name/type/goodval/badval int_or_aref/Int|ArrayRef[Int]/ARRAY(0xaaaadfc3ef48)/foo
 ok 26 - no warnings from declaring int_or_aref param
 ok 27 - call with good value for int_or_aref passes (alternative 1)
 ok 28 - call with good value for int_or_aref passes (alternative 2)
 ok 29 - call with bad value for int_or_aref dies
-# name/type/goodval/badval int_or_aref_or_undef/Int|ArrayRef[Int]|Undef/ARRAY(0xaaaab6e10698)/foo
+# name/type/goodval/badval int_or_aref_or_undef/Int|ArrayRef[Int]|Undef/ARRAY(0xaaaadfc3eb28)/foo
 ok 30 - no warnings from declaring int_or_aref_or_undef param
 ok 31 - call with good value for int_or_aref_or_undef passes (alternative 1)
 ok 32 - call with good value for int_or_aref_or_undef passes (alternative 2)
@@ -1631,7 +1667,7 @@
   TODO passed:   1-2
 t/syntax_errors.t              (Wstat: 0 Tests: 3 Failed: 0)
   TODO passed:   2
-Files=68, Tests=446, 17 wallclock secs ( 0.19 usr  0.12 sys +  7.31 cusr  1.38 csys =  9.00 CPU)
+Files=68, Tests=446, 13 wallclock secs ( 0.30 usr  0.15 sys + 10.41 cusr  1.95 csys = 12.81 CPU)
 Result: PASS
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -1668,12 +1704,14 @@
 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/2378201/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2378201/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/1315509 and its subdirectories
-I: Current time: Sun Jan  7 06:46:45 -12 2024
-I: pbuilder-time-stamp: 1704653205
+I: removing directory /srv/workspace/pbuilder/2378201 and its subdirectories
+I: Current time: Sun Feb  9 15:10:26 +14 2025
+I: pbuilder-time-stamp: 1739063426