Diff of the two buildlogs:

--
--- b1/build.log	2025-03-05 19:06:02.073614692 +0000
+++ b2/build.log	2025-03-05 19:29:32.017868621 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Apr  7 13:01:53 -12 2026
-I: pbuilder-time-stamp: 1775610113
+I: Current time: Thu Mar  6 09:06:40 +14 2025
+I: pbuilder-time-stamp: 1741201600
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -25,52 +25,84 @@
 dpkg-source: info: applying 80_security_tools.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3623624/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1377667/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 Mar  5 19:06 /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/1377667/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1377667/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='unstable'
-  HOME='/root'
-  HOST_ARCH='arm64'
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=aarch64
+  HOST_ARCH=arm64
   IFS=' 	
   '
-  INVOCATION_ID='50452aba25b6404c9f7b1aef77d2a03f'
-  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='3623624'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=8443abf93a524ce284a7f113d814f414
+  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=1377667
   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.P5mDYiWs/pbuilderrc_zZMY --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.P5mDYiWs/b1 --logfile b1/build.log nss_3.109-1.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.P5mDYiWs/pbuilderrc_ixCL --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.P5mDYiWs/b2 --logfile b2/build.log nss_3.109-1.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 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-cloud-arm64 #1 SMP Debian 6.1.128-1 (2025-02-07) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/3623624/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1377667/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -146,7 +178,7 @@
 Get: 32 http://deb.debian.org/debian unstable/main arm64 libnspr4-dev arm64 2:4.36-1 [203 kB]
 Get: 33 http://deb.debian.org/debian unstable/main arm64 libsqlite3-dev arm64 3.46.1-1 [1058 kB]
 Get: 34 http://deb.debian.org/debian unstable/main arm64 zlib1g-dev arm64 1:1.3.dfsg+really1.3.1-1+b1 [917 kB]
-Fetched 22.4 MB in 0s (90.4 MB/s)
+Fetched 22.4 MB in 0s (102 MB/s)
 Preconfiguring packages ...
 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 ... 19897 files and directories currently installed.)
@@ -297,7 +329,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/nss-3.109/ && 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  > ../nss_3.109-1_source.changes
+I: user script /srv/workspace/pbuilder/1377667/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1377667/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/nss-3.109/ && 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  > ../nss_3.109-1_source.changes
 dpkg-buildpackage: info: source package nss
 dpkg-buildpackage: info: source version 2:3.109-1
 dpkg-buildpackage: info: source distribution unstable
@@ -3289,15 +3325,15 @@
 Check File: debian/libnss3/usr/lib/aarch64-linux-gnu/libsoftokn3.chk
 Library File Size: 398760 bytes
   key: 32 bytes
-    bc 24 05 98 82 fa b9 fe a9 cd
-    93 b5 da 5d 5f fb 0a 10 85 b8
-    f0 8e 9d 52 18 7e 4f ad 89 e1
-    e1 86
+    c8 28 b8 e9 69 36 58 f9 89 2e
+    85 b5 09 e1 df d0 4b 30 29 5a
+    f5 fe c0 7d f1 a8 07 dd 9f 45
+    a0 9a
   signature: 32 bytes
-    d7 06 55 16 bb 61 e9 bb 9f 7d
-    3c fb 74 f6 cc 63 61 8f e4 88
-    2c 06 0f c8 73 f5 bf 96 f0 76
-    53 c7
+    cb 74 9e 17 79 bd ed 5d 34 bd
+    3c 9f da 74 48 ca d7 14 3f 62
+    83 c5 8a 87 ac e5 03 1a e8 17
+    c6 f5
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/aarch64-linux-gnu debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/aarch64-linux-gnu/libfreebl3.so
@@ -3305,15 +3341,15 @@
 Check File: debian/libnss3/usr/lib/aarch64-linux-gnu/libfreebl3.chk
 Library File Size: 67672 bytes
   key: 32 bytes
-    ab d1 ad b3 f2 58 e5 a6 19 87
-    c0 2f 84 76 ed 7d 09 78 d2 c1
-    43 77 9b 2b 21 09 53 a5 9b e8
-    b4 a2
+    89 9a 66 31 50 cc fc a4 fa de
+    88 75 fc 4e 8c 47 3c 3e b9 63
+    d7 19 0d b8 75 80 f8 01 98 a3
+    60 74
   signature: 32 bytes
-    55 78 80 0c 63 fb 6c 6b 16 4b
-    47 eb 59 77 f0 2c 26 20 a2 f1
-    c1 34 de d7 99 e1 bc 14 70 de
-    96 a1
+    70 e3 11 9c 10 72 76 b3 d8 e9
+    2c 6c 87 b4 08 8a 63 5e 83 c1
+    06 c7 cd d6 89 ac 3a 85 a8 43
+    41 33
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/aarch64-linux-gnu debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/aarch64-linux-gnu/libfreeblpriv3.so
@@ -3321,15 +3357,15 @@
 Check File: debian/libnss3/usr/lib/aarch64-linux-gnu/libfreeblpriv3.chk
 Library File Size: 788656 bytes
   key: 32 bytes
-    cc 0c ee b7 57 ec 5a f5 56 46
-    2e 4e b4 3c 5c cc 9d 44 fe fc
-    00 45 ef c8 cf c7 24 3f 57 2e
-    6c 80
+    34 56 ed 4e 28 2c 81 f3 64 7c
+    41 74 0a 04 fc 2b b8 cb c6 c9
+    3a 97 85 3c 3c 91 d4 4d 7b 8a
+    40 e4
   signature: 32 bytes
-    fd 05 8f 34 85 ff f1 52 3a c8
-    43 e2 47 a2 9d ce 9b ba d1 94
-    a9 1a 2d 01 78 e8 d7 4e 33 7d
-    b2 3f
+    a0 31 64 16 22 ca f9 76 2f e6
+    37 07 4d 0f 54 ff e4 fb 3b a1
+    70 3b c3 6c 03 dd 66 cb 05 9d
+    ca f5
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/aarch64-linux-gnu debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/aarch64-linux-gnu/libnssdbm3.so
@@ -3337,15 +3373,15 @@
 Check File: debian/libnss3/usr/lib/aarch64-linux-gnu/libnssdbm3.chk
 Library File Size: 264368 bytes
   key: 32 bytes
-    d2 49 a4 fc 89 32 bf aa a6 88
-    52 70 46 8e cb fc e2 26 e8 45
-    26 a8 80 b2 7f 44 69 22 13 f2
-    30 33
+    c0 58 4a 26 39 c0 00 61 9b b3
+    0b c9 a6 7c 10 06 98 34 69 1c
+    37 e4 28 e1 2c 62 68 b9 de de
+    4b 1a
   signature: 32 bytes
-    b0 58 92 8c 70 45 94 0d 3b 0f
-    fa 8d 20 46 3d e4 28 11 9a 47
-    eb 62 b1 91 4d 6e 0c 48 ff 7d
-    ec ad
+    49 a5 cd 8c 87 6e b0 43 f7 26
+    ef 81 9d ad 1f 78 36 3b 87 f4
+    e9 ce 14 8c a3 32 e1 63 81 b0
+    89 71
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 # Check FIPS mode correctly works
@@ -3381,10 +3417,10 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'libnss3-dbgsym' in '../libnss3-dbgsym_3.109-1_arm64.deb'.
-dpkg-deb: building package 'libnss3-tools-dbgsym' in '../libnss3-tools-dbgsym_3.109-1_arm64.deb'.
 dpkg-deb: building package 'libnss3' in '../libnss3_3.109-1_arm64.deb'.
+dpkg-deb: building package 'libnss3-dbgsym' in '../libnss3-dbgsym_3.109-1_arm64.deb'.
 dpkg-deb: building package 'libnss3-tools' in '../libnss3-tools_3.109-1_arm64.deb'.
+dpkg-deb: building package 'libnss3-tools-dbgsym' in '../libnss3-tools-dbgsym_3.109-1_arm64.deb'.
 dpkg-deb: building package 'libnss3-dev' in '../libnss3-dev_3.109-1_arm64.deb'.
  dpkg-genbuildinfo --build=binary -O../nss_3.109-1_arm64.buildinfo
  dpkg-genchanges --build=binary -O../nss_3.109-1_arm64.changes
@@ -3393,12 +3429,14 @@
 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/1377667/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1377667/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/3623624 and its subdirectories
-I: Current time: Tue Apr  7 13:29:00 -12 2026
-I: pbuilder-time-stamp: 1775611740
+I: removing directory /srv/workspace/pbuilder/1377667 and its subdirectories
+I: Current time: Thu Mar  6 09:29:30 +14 2025
+I: pbuilder-time-stamp: 1741202970