Diff of the two buildlogs:

--
--- b1/build.log	2025-03-19 04:42:07.530897396 +0000
+++ b2/build.log	2025-03-19 07:22:44.732301423 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Mar 18 14:56:30 -12 2025
-I: pbuilder-time-stamp: 1742352990
+I: Current time: Wed Mar 19 18:45:46 +14 2025
+I: pbuilder-time-stamp: 1742359546
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-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/17978/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/29560/tmp/hooks/D01_modify_environment starting
+debug: Running on cbxi4a.
+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 19 04:46 /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/29560/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/29560/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='armhf'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=3 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='armhf'
+  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]="arm-unknown-linux-gnueabihf")
+  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=armhf
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=4 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='a40f9a10b1a14911b7d0c405531703f2'
-  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='17978'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=6c100038dc034647b33f74d22c6c840c
+  LANG=C
+  LANGUAGE=it_CH:it
+  LC_ALL=C
+  MACHTYPE=arm-unknown-linux-gnueabihf
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnueabihf
+  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=29560
   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.p24SmR1g/pbuilderrc_gaLf --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.p24SmR1g/b1 --logfile b1/build.log nss_3.109-1.dsc'
-  SUDO_GID='113'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://10.0.0.15:3142/'
+  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.p24SmR1g/pbuilderrc_2BeB --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.p24SmR1g/b2 --logfile b2/build.log nss_3.109-1.dsc'
+  SUDO_GID=113
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://10.0.0.15:3142/
 I: uname -a
-  Linux virt64c 6.1.0-32-arm64 #1 SMP Debian 6.1.129-1 (2025-03-06) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-23-armmp #1 SMP Debian 6.1.99-1 (2024-07-15) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/17978/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/29560/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 trixie/main armhf libnspr4-dev armhf 2:4.36-1 [187 kB]
 Get: 33 http://deb.debian.org/debian trixie/main armhf libsqlite3-dev armhf 3.46.1-2 [1003 kB]
 Get: 34 http://deb.debian.org/debian trixie/main armhf zlib1g-dev armhf 1:1.3.dfsg+really1.3.1-1+b1 [905 kB]
-Fetched 22.0 MB in 1s (36.5 MB/s)
+Fetched 22.0 MB in 1s (18.2 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 ... 19510 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/29560/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/29560/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
@@ -3368,15 +3404,15 @@
 Check File: debian/libnss3/usr/lib/arm-linux-gnueabihf/libsoftokn3.chk
 Library File Size: 265440 bytes
   key: 32 bytes
-    ab ae 3a e9 bf 1a cf 9e 54 98
-    7c 3a c8 69 70 91 ed 79 dc 3e
-    15 67 e3 cc af 91 e3 f9 8c 34
-    a0 eb
+    87 0c 17 8b e5 a7 ff c4 67 53
+    13 29 e0 a6 f3 f6 b7 9d e0 2c
+    85 ac 7e 11 23 d2 46 83 3b a8
+    5c 1e
   signature: 32 bytes
-    c3 ad 53 9f 08 21 6a d1 a0 94
-    c2 3d 63 85 bf 25 a6 3d 75 06
-    81 fe c7 a6 34 5d c2 72 0c f3
-    a5 d6
+    54 26 f5 6e 44 48 79 46 1e 02
+    45 07 a1 8d 3d 74 d0 f3 fe e6
+    1a c6 49 a0 aa bb d5 c6 f3 9d
+    7f 86
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/arm-linux-gnueabihf debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/arm-linux-gnueabihf/libfreebl3.so
@@ -3384,15 +3420,15 @@
 Check File: debian/libnss3/usr/lib/arm-linux-gnueabihf/libfreebl3.chk
 Library File Size: 67008 bytes
   key: 32 bytes
-    76 a6 50 12 fa 12 e1 01 05 7d
-    90 c2 38 c9 43 79 30 c0 53 1d
-    56 3b 68 eb 18 73 2d 80 ee 1e
-    58 18
+    04 94 ab 1c e6 d8 2a 39 3e e7
+    fa 9a d2 16 e4 9e e2 eb c2 44
+    81 6f e2 fa 99 91 e9 fa d8 5e
+    d2 b2
   signature: 32 bytes
-    ff c6 15 c2 00 76 a4 2a 00 98
-    a5 3d 5f 47 a1 eb 8b b8 5b 36
-    25 20 46 b7 07 13 c7 19 23 42
-    f1 3e
+    95 82 3e f9 4a b5 b6 c1 cb 6a
+    34 08 72 b5 fb 0c d0 c3 ec 13
+    95 d1 fc 81 3f 1d d3 2c 8a f4
+    2a 02
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/arm-linux-gnueabihf debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/arm-linux-gnueabihf/libfreeblpriv3.so
@@ -3400,15 +3436,15 @@
 Check File: debian/libnss3/usr/lib/arm-linux-gnueabihf/libfreeblpriv3.chk
 Library File Size: 656956 bytes
   key: 32 bytes
-    81 7a 17 50 b9 ed e6 43 93 59
-    38 6b 7b 30 69 83 00 27 8a 3b
-    8b 86 b5 96 7e fe d5 37 5d a3
-    51 5f
+    58 f5 f4 7b 66 70 04 9b 4d bd
+    1f 0c 57 ba 12 18 95 ac 01 b1
+    4f e3 a1 a6 a7 94 f5 63 3a b3
+    4a 39
   signature: 32 bytes
-    cc a0 8f e5 a3 88 c1 87 c0 df
-    ce 58 5a a9 2f 31 e6 42 b6 c9
-    5e b0 0f c4 e5 40 01 33 14 25
-    cb 95
+    29 54 93 a2 69 73 55 e1 89 b1
+    22 bf 1d 35 9d c0 7f c6 e4 22
+    89 c5 6c 1c d0 92 06 d0 f9 7a
+    51 86
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 umask 022; LD_LIBRARY_PATH=debian/libnss3/usr/lib/arm-linux-gnueabihf debian/libnss3-tools/usr/bin/shlibsign -v -i debian/libnss3/usr/lib/arm-linux-gnueabihf/libnssdbm3.so
@@ -3416,15 +3452,15 @@
 Check File: debian/libnss3/usr/lib/arm-linux-gnueabihf/libnssdbm3.chk
 Library File Size: 132604 bytes
   key: 32 bytes
-    76 8a 44 c1 dd 46 33 6f 55 b3
-    62 66 27 96 3c b6 93 c1 67 36
-    c4 82 5c cd 6d 1c 83 21 98 df
-    9c 34
+    67 0c ee 63 3e 04 e8 7c 26 70
+    ea 81 cb 89 0b 06 ee 6f 9a 8f
+    a1 a2 ab 85 2b d2 68 43 97 4b
+    32 bb
   signature: 32 bytes
-    69 a8 80 4b 4b 58 01 ac 77 7a
-    fd e5 70 bf ac d2 db 35 6a 02
-    93 02 2a 99 02 8d f6 8f 2d ad
-    90 95
+    2c e9 3c 65 03 13 38 77 89 be
+    0b 5c 4c 2d c4 5a 28 ba 69 87
+    42 c5 ed 04 f7 12 29 a8 da ad
+    c6 fd
 moduleSpec configdir='' certPrefix='' keyPrefix='' secmod='' flags=noCertDB, noModDB
 Generate an HMAC key ... 
 # Check FIPS mode correctly works
@@ -3472,12 +3508,14 @@
 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/29560/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/29560/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/17978 and its subdirectories
-I: Current time: Tue Mar 18 16:42:02 -12 2025
-I: pbuilder-time-stamp: 1742359322
+I: removing directory /srv/workspace/pbuilder/29560 and its subdirectories
+I: Current time: Wed Mar 19 21:22:39 +14 2025
+I: pbuilder-time-stamp: 1742368959