Diff of the two buildlogs:

--
--- b1/build.log	2024-12-19 20:17:27.077645706 +0000
+++ b2/build.log	2024-12-19 20:19:01.329390076 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Dec 19 08:14:20 -12 2024
-I: pbuilder-time-stamp: 1734639260
+I: Current time: Fri Dec 20 10:17:37 +14 2024
+I: pbuilder-time-stamp: 1734639457
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -31,52 +31,84 @@
 dpkg-source: info: applying 0004-Fix-segfault-if-no-argument-given-for-a-or-m.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/6722/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/6226/tmp/hooks/D01_modify_environment starting
+debug: Running on virt32z.
+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 Dec 19 20:17 /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/6226/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/6226/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='044b8e53866144fcbb8173dd3777adaa'
-  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='6722'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=d7504c2f0e2b4cf59eb666430136e0b6
+  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=6226
   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.ZXqH2RY4/pbuilderrc_h6QT --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.ZXqH2RY4/b1 --logfile b1/build.log concalc_0.9.3-1.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.ZXqH2RY4/pbuilderrc_fH4X --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.ZXqH2RY4/b2 --logfile b2/build.log concalc_0.9.3-1.dsc'
+  SUDO_GID=110
+  SUDO_UID=103
+  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 virt64b 6.1.0-28-arm64 #1 SMP Debian 6.1.119-1 (2024-11-22) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-28-armmp-lpae #1 SMP Debian 6.1.119-1 (2024-11-22) armv7l GNU/Linux
 I: ls -l /bin
   lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/6722/tmp/hooks/D02_print_environment finished
+I: user script /srv/workspace/pbuilder/6226/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -167,7 +199,7 @@
 Get: 51 http://deb.debian.org/debian trixie/main armhf intltool-debian all 0.35.0+20060710.6 [22.9 kB]
 Get: 52 http://deb.debian.org/debian trixie/main armhf po-debconf all 1.0.21+nmu1 [248 kB]
 Get: 53 http://deb.debian.org/debian trixie/main armhf debhelper all 13.20 [915 kB]
-Fetched 30.1 MB in 2s (18.8 MB/s)
+Fetched 30.1 MB in 3s (11.4 MB/s)
 debconf: delaying package configuration, since apt-utils is not installed
 Selecting previously unselected package libproc2-0:armhf.
 (Reading database ... 
(Reading database ... 5%
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(Reading database ... 45%
(Reading database ... 50%
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(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 ... 19674 files and directories currently installed.)
@@ -394,7 +426,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/concalc-0.9.3/ && 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  > ../concalc_0.9.3-1_source.changes
+I: user script /srv/workspace/pbuilder/6226/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/6226/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/concalc-0.9.3/ && 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  > ../concalc_0.9.3-1_source.changes
 dpkg-buildpackage: info: source package concalc
 dpkg-buildpackage: info: source version 0.9.3-1
 dpkg-buildpackage: info: source distribution unstable
@@ -442,7 +478,7 @@
   the cmake_policy command to set the policy and suppress this warning.
 This warning is for project developers.  Use -Wno-dev to suppress it.
 
--- Configuring done (3.4s)
+-- Configuring done (1.6s)
 -- Generating done (0.0s)
 CMake Warning:
   Manually-specified variables were not used by the project:
@@ -459,7 +495,7 @@
 
 -- Build files have been written to: /build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf
    dh_auto_build
-	cd obj-arm-linux-gnueabihf && make -j3 "INSTALL=install --strip-program=true" VERBOSE=1
+	cd obj-arm-linux-gnueabihf && make -j4 "INSTALL=install --strip-program=true" VERBOSE=1
 make[1]: Entering directory '/build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf'
 /usr/bin/cmake -S/build/reproducible-path/concalc-0.9.3 -B/build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf --check-build-system CMakeFiles/Makefile.cmake 0
 /usr/bin/cmake -E cmake_progress_start /build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf/CMakeFiles /build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf//CMakeFiles/progress.marks
@@ -472,8 +508,8 @@
 make  -f CMakeFiles/concalc.dir/build.make CMakeFiles/concalc.dir/build
 make[3]: Entering directory '/build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf'
 [ 33%] Building CXX object CMakeFiles/concalc.dir/src/concalc.o
-/usr/bin/c++  -I/build/reproducible-path/concalc-0.9.3/src -I/build/reproducible-path/concalc-0.9.3/. -g -O2 -ffile-prefix-map=/build/reproducible-path/concalc-0.9.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -O3 -DNDEBUG   -DINSTALLDIR="\"/usr/local/share/extcalc\"" -MD -MT CMakeFiles/concalc.dir/src/concalc.o -MF CMakeFiles/concalc.dir/src/concalc.o.d -o CMakeFiles/concalc.dir/src/concalc.o -c /build/reproducible-path/concalc-0.9.3/src/concalc.cpp
 [ 66%] Building CXX object CMakeFiles/concalc.dir/src/global.o
+/usr/bin/c++  -I/build/reproducible-path/concalc-0.9.3/src -I/build/reproducible-path/concalc-0.9.3/. -g -O2 -ffile-prefix-map=/build/reproducible-path/concalc-0.9.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -O3 -DNDEBUG   -DINSTALLDIR="\"/usr/local/share/extcalc\"" -MD -MT CMakeFiles/concalc.dir/src/concalc.o -MF CMakeFiles/concalc.dir/src/concalc.o.d -o CMakeFiles/concalc.dir/src/concalc.o -c /build/reproducible-path/concalc-0.9.3/src/concalc.cpp
 /usr/bin/c++  -I/build/reproducible-path/concalc-0.9.3/src -I/build/reproducible-path/concalc-0.9.3/. -g -O2 -ffile-prefix-map=/build/reproducible-path/concalc-0.9.3=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -O3 -DNDEBUG   -DINSTALLDIR="\"/usr/local/share/extcalc\"" -MD -MT CMakeFiles/concalc.dir/src/global.o -MF CMakeFiles/concalc.dir/src/global.o.d -o CMakeFiles/concalc.dir/src/global.o -c /build/reproducible-path/concalc-0.9.3/src/global.cpp
 /build/reproducible-path/concalc-0.9.3/src/global.cpp: In function 'char* cleanString(char*, Preferences*)':
 /build/reproducible-path/concalc-0.9.3/src/global.cpp:938:50: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
@@ -854,6 +890,10 @@
 /build/reproducible-path/concalc-0.9.3/src/global.cpp:3742:46: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  3742 |                 if((pos1=bracketFindRev(line,"[",end-1,start))>start+1)
       |                                              ^~~
+/build/reproducible-path/concalc-0.9.3/src/concalc.cpp: In function 'void searchScripts(char*, Preferences*, Variable*, ThreadSync*)':
+/build/reproducible-path/concalc-0.9.3/src/concalc.cpp:510:47: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
+  510 |                         pos2=bracketFind(code,")",pos+4);
+      |                                               ^~~
 /build/reproducible-path/concalc-0.9.3/src/global.cpp: In member function 'virtual Number Script::exec()':
 /build/reproducible-path/concalc-0.9.3/src/global.cpp:5106:70: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  5106 |                                                 strcopy(eventContent,"true",4);
@@ -864,10 +904,6 @@
 /build/reproducible-path/concalc-0.9.3/src/global.cpp:5169:62: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  5169 |                                         strcopy(eventContent,"none",4);
       |                                                              ^~~~~~
-/build/reproducible-path/concalc-0.9.3/src/concalc.cpp: In function 'void searchScripts(char*, Preferences*, Variable*, ThreadSync*)':
-/build/reproducible-path/concalc-0.9.3/src/concalc.cpp:510:47: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
-  510 |                         pos2=bracketFind(code,")",pos+4);
-      |                                               ^~~
 /build/reproducible-path/concalc-0.9.3/src/global.cpp:6584:46: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  6584 |                                         fread(fileData,fileStat.st_size,1,f);
       |                                         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -888,7 +924,7 @@
    debian/rules override_dh_auto_install
 make[1]: Entering directory '/build/reproducible-path/concalc-0.9.3'
 dh_auto_install
-	cd obj-arm-linux-gnueabihf && make -j3 install DESTDIR=/build/reproducible-path/concalc-0.9.3/debian/concalc AM_UPDATE_INFO_DIR=no "INSTALL=install --strip-program=true"
+	cd obj-arm-linux-gnueabihf && make -j4 install DESTDIR=/build/reproducible-path/concalc-0.9.3/debian/concalc AM_UPDATE_INFO_DIR=no "INSTALL=install --strip-program=true"
 make[2]: Entering directory '/build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf'
 /usr/bin/cmake -S/build/reproducible-path/concalc-0.9.3 -B/build/reproducible-path/concalc-0.9.3/obj-arm-linux-gnueabihf --check-build-system CMakeFiles/Makefile.cmake 0
 make  -f CMakeFiles/Makefile2 preinstall
@@ -935,8 +971,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'concalc' in '../concalc_0.9.3-1_armhf.deb'.
 dpkg-deb: building package 'concalc-dbgsym' in '../concalc-dbgsym_0.9.3-1_armhf.deb'.
+dpkg-deb: building package 'concalc' in '../concalc_0.9.3-1_armhf.deb'.
  dpkg-genbuildinfo --build=binary -O../concalc_0.9.3-1_armhf.buildinfo
  dpkg-genchanges --build=binary -O../concalc_0.9.3-1_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -944,12 +980,14 @@
 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/6226/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/6226/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/6722 and its subdirectories
-I: Current time: Thu Dec 19 08:17:22 -12 2024
-I: pbuilder-time-stamp: 1734639442
+I: removing directory /srv/workspace/pbuilder/6226 and its subdirectories
+I: Current time: Fri Dec 20 10:18:57 +14 2024
+I: pbuilder-time-stamp: 1734639537