Diff of the two buildlogs:

--
--- b1/build.log	2024-11-28 23:50:56.336125527 +0000
+++ b2/build.log	2024-11-28 23:52:24.444122270 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Nov 28 11:49:27 -12 2024
-I: pbuilder-time-stamp: 1732837767
+I: Current time: Fri Nov 29 13:51:05 +14 2024
+I: pbuilder-time-stamp: 1732837865
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -40,52 +40,84 @@
 dpkg-source: info: applying 0014-conf.c-Fix-broken-ifdef-elif-syntax.patch
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/18175/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1943/tmp/hooks/D01_modify_environment starting
+debug: Running on virt64b.
+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 Nov 28 23:51 /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/1943/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1943/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='unstable'
-  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]="32" [3]="1" [4]="release" [5]="arm-unknown-linux-gnueabihf")
+  BASH_VERSION='5.2.32(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=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='0ba5a25ce9b64d0aa5c3d62b25f033f9'
-  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='18175'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=3f44cb3e4bcb427fa0df448cf8c2558a
+  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=1943
   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.TyWhypU1/pbuilderrc_w9NU --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.TyWhypU1/b1 --logfile b1/build.log cdcd_0.6.6-13.2.dsc'
-  SUDO_GID='112'
-  SUDO_UID='106'
-  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.TyWhypU1/pbuilderrc_hLhn --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.TyWhypU1/b2 --logfile b2/build.log cdcd_0.6.6-13.2.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 virt32b 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/18175/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/1943/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -161,7 +193,7 @@
 Get: 34 http://deb.debian.org/debian unstable/main armhf libncurses-dev armhf 6.5-2+b1 [310 kB]
 Get: 35 http://deb.debian.org/debian unstable/main armhf libreadline8t64 armhf 8.2-5 [146 kB]
 Get: 36 http://deb.debian.org/debian unstable/main armhf libreadline-dev armhf 8.2-5 [138 kB]
-Fetched 19.9 MB in 1s (39.6 MB/s)
+Fetched 19.9 MB in 1s (39.2 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package readline-common.
 (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 ... 19684 files and directories currently installed.)
@@ -329,7 +361,11 @@
 fakeroot is already the newest version (1.36-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/cdcd-0.6.6/ && 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  > ../cdcd_0.6.6-13.2_source.changes
+I: user script /srv/workspace/pbuilder/1943/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/1943/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/cdcd-0.6.6/ && 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  > ../cdcd_0.6.6-13.2_source.changes
 dpkg-buildpackage: info: source package cdcd
 dpkg-buildpackage: info: source version 0.6.6-13.2
 dpkg-buildpackage: info: source distribution unstable
@@ -441,7 +477,7 @@
 config.status: creating config.h
 config.status: executing depfiles commands
    dh_auto_build
-	make -j3
+	make -j4
 make[1]: Entering directory '/build/reproducible-path/cdcd-0.6.6'
 make  all-recursive
 make[2]: Entering directory '/build/reproducible-path/cdcd-0.6.6'
@@ -453,6 +489,12 @@
 gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-cdcd.o `test -f 'cdcd.c' || echo './'`cdcd.c
 gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-str.o `test -f 'str.c' || echo './'`str.c
 gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-conf.o `test -f 'conf.c' || echo './'`conf.c
+gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-global.o `test -f 'global.c' || echo './'`global.c
+gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-interface.o `test -f 'interface.c' || echo './'`interface.c
+str.c: In function 'vpdprintf':
+str.c:236:3: warning: ignoring return value of 'vasprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
+  236 |   vasprintf (&s, fmt, v);
+      |   ^~~~~~~~~~~~~~~~~~~~~~
 conf.c: In function 'cdcdrc_read':
 conf.c:265:3: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
   265 |   fgets (inbuffer, 256, cdcdrcfile);
@@ -460,17 +502,11 @@
 conf.c:275:7: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
   275 |       fgets (inbuffer, 256, cdcdrcfile);
       |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-str.c: In function 'vpdprintf':
-str.c:236:3: warning: ignoring return value of 'vasprintf' declared with attribute 'warn_unused_result' [-Wunused-result]
-  236 |   vasprintf (&s, fmt, v);
-      |   ^~~~~~~~~~~~~~~~~~~~~~
-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-global.o `test -f 'global.c' || echo './'`global.c
-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-interface.o `test -f 'interface.c' || echo './'`interface.c
-gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-cmdline.o `test -f 'cmdline.c' || echo './'`cmdline.c
 interface.c: In function 'cddb_lookup':
 interface.c:364:15: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
   364 |               fgets (inbuffer, 256, stdin);
       |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
+gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-cmdline.o `test -f 'cmdline.c' || echo './'`cmdline.c
 gcc -DHAVE_CONFIG_H -I.   -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -D_REENTRANT -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cdcd-0.6.6=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -c -o cdcd-cmd_cdcd.o `test -f 'cmd_cdcd.c' || echo './'`cmd_cdcd.c
 cmd_cdcd.c: In function 'cmd_cdcd_mainloop':
 cmd_cdcd.c:1282:3: warning: 'CPPFunction' is deprecated [-Wdeprecated-declarations]
@@ -494,7 +530,7 @@
 make[2]: Leaving directory '/build/reproducible-path/cdcd-0.6.6'
 make[1]: Leaving directory '/build/reproducible-path/cdcd-0.6.6'
    dh_auto_test
-	make -j3 check "TESTSUITEFLAGS=-j3 --verbose" VERBOSE=1
+	make -j4 check "TESTSUITEFLAGS=-j4 --verbose" VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/cdcd-0.6.6'
 Making check in doc
 make[2]: Entering directory '/build/reproducible-path/cdcd-0.6.6/doc'
@@ -509,7 +545,7 @@
    dh_testroot
    dh_prep
    dh_auto_install --destdir=debian/cdcd/
-	make -j3 install DESTDIR=/build/reproducible-path/cdcd-0.6.6/debian/cdcd AM_UPDATE_INFO_DIR=no
+	make -j4 install DESTDIR=/build/reproducible-path/cdcd-0.6.6/debian/cdcd AM_UPDATE_INFO_DIR=no
 make[1]: Entering directory '/build/reproducible-path/cdcd-0.6.6'
 Making install in doc
 make[2]: Entering directory '/build/reproducible-path/cdcd-0.6.6/doc'
@@ -546,19 +582,19 @@
    dh_makeshlibs -a
    dh_shlibdeps -a
 dpkg-shlibdeps: warning: diversions involved - output may be incorrect
- diversion by libreadline8t64 from: /lib/arm-linux-gnueabihf/libreadline.so.8
-dpkg-shlibdeps: warning: diversions involved - output may be incorrect
- diversion by libreadline8t64 to: /lib/arm-linux-gnueabihf/libreadline.so.8.usr-is-merged
-dpkg-shlibdeps: warning: diversions involved - output may be incorrect
  diversion by libc6 from: /lib/ld-linux-armhf.so.3
 dpkg-shlibdeps: warning: diversions involved - output may be incorrect
  diversion by libc6 to: /lib/ld-linux-armhf.so.3.usr-is-merged
+dpkg-shlibdeps: warning: diversions involved - output may be incorrect
+ diversion by libreadline8t64 from: /lib/arm-linux-gnueabihf/libreadline.so.8
+dpkg-shlibdeps: warning: diversions involved - output may be incorrect
+ diversion by libreadline8t64 to: /lib/arm-linux-gnueabihf/libreadline.so.8.usr-is-merged
    dh_installdeb
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'cdcd-dbgsym' in '../cdcd-dbgsym_0.6.6-13.2_armhf.deb'.
 dpkg-deb: building package 'cdcd' in '../cdcd_0.6.6-13.2_armhf.deb'.
+dpkg-deb: building package 'cdcd-dbgsym' in '../cdcd-dbgsym_0.6.6-13.2_armhf.deb'.
  dpkg-genbuildinfo --build=binary -O../cdcd_0.6.6-13.2_armhf.buildinfo
  dpkg-genchanges --build=binary -O../cdcd_0.6.6-13.2_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -566,12 +602,14 @@
 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/1943/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1943/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/18175 and its subdirectories
-I: Current time: Thu Nov 28 11:50:52 -12 2024
-I: pbuilder-time-stamp: 1732837852
+I: removing directory /srv/workspace/pbuilder/1943 and its subdirectories
+I: Current time: Fri Nov 29 13:52:19 +14 2024
+I: pbuilder-time-stamp: 1732837939