Diff of the two buildlogs:

--
--- b1/build.log	2023-05-05 00:05:19.255430811 +0000
+++ b2/build.log	2023-05-05 00:13:21.790261230 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu May  4 11:55:10 -12 2023
-I: pbuilder-time-stamp: 1683244510
+I: Current time: Fri May  5 14:05:31 +14 2023
+I: pbuilder-time-stamp: 1683245131
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/bookworm-reproducible-base.tgz]
 I: copying local configuration
@@ -16,7 +16,7 @@
 I: copying [./cppnumericalsolvers_1.0.0.orig.tar.gz]
 I: copying [./cppnumericalsolvers_1.0.0-2.debian.tar.xz]
 I: Extracting source
-gpgv: Signature made Thu Oct 14 01:25:50 2021 -12
+gpgv: Signature made Fri Oct 15 03:25:50 2021 +14
 gpgv:                using RSA key 3E99A526F5DCC0CBBF1CEEA600BAE74B343369F1
 gpgv:                issuer "nilesh@debian.org"
 gpgv: Can't check signature: No public key
@@ -26,135 +26,167 @@
 dpkg-source: info: unpacking cppnumericalsolvers_1.0.0-2.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2320/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/14373/tmp/hooks/D01_modify_environment starting
+debug: Running on virt64c.
+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 May  5 14:05 /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/14373/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/14373/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build'
-  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='bookworm'
-  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]="15" [3]="1" [4]="release" [5]="arm-unknown-linux-gnueabihf")
+  BASH_VERSION='5.2.15(1)-release'
+  BUILDDIR=/build
+  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=bookworm
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=arm
+  HOST_ARCH=armhf
   IFS=' 	
   '
-  INVOCATION_ID='fb59af916d6243a4b04e23dc9aba3b4a'
-  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='2320'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=a198960e378e4247a8ca831123b7fe59
+  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=14373
   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.lcvk8g1s/pbuilderrc_dDip --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.lcvk8g1s/b1 --logfile b1/build.log cppnumericalsolvers_1.0.0-2.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.lcvk8g1s/pbuilderrc_Xqr3 --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.lcvk8g1s/b2 --logfile b2/build.log --extrapackages usrmerge cppnumericalsolvers_1.0.0-2.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 ff4a 5.10.0-22-armmp-lpae #1 SMP Debian 5.10.178-3 (2023-04-22) armv7l GNU/Linux
+  Linux i-capture-the-hostname 5.10.0-22-arm64 #1 SMP Debian 5.10.178-3 (2023-04-22) aarch64 GNU/Linux
 I: ls -l /bin
   total 5072
-  -rwxr-xr-x 1 root root 838488 Apr 23 09:24 bash
-  -rwxr-xr-x 3 root root  67144 Sep 18  2022 bunzip2
-  -rwxr-xr-x 3 root root  67144 Sep 18  2022 bzcat
-  lrwxrwxrwx 1 root root      6 Sep 18  2022 bzcmp -> bzdiff
-  -rwxr-xr-x 1 root root   2225 Sep 18  2022 bzdiff
-  lrwxrwxrwx 1 root root      6 Sep 18  2022 bzegrep -> bzgrep
-  -rwxr-xr-x 1 root root   4893 Nov 27  2021 bzexe
-  lrwxrwxrwx 1 root root      6 Sep 18  2022 bzfgrep -> bzgrep
-  -rwxr-xr-x 1 root root   3775 Sep 18  2022 bzgrep
-  -rwxr-xr-x 3 root root  67144 Sep 18  2022 bzip2
-  -rwxr-xr-x 1 root root  67112 Sep 18  2022 bzip2recover
-  lrwxrwxrwx 1 root root      6 Sep 18  2022 bzless -> bzmore
-  -rwxr-xr-x 1 root root   1297 Sep 18  2022 bzmore
-  -rwxr-xr-x 1 root root  67632 Sep 20  2022 cat
-  -rwxr-xr-x 1 root root  67676 Sep 20  2022 chgrp
-  -rwxr-xr-x 1 root root  67644 Sep 20  2022 chmod
-  -rwxr-xr-x 1 root root  67684 Sep 20  2022 chown
-  -rwxr-xr-x 1 root root 133532 Sep 20  2022 cp
-  -rwxr-xr-x 1 root root 132868 Jan  5 01:20 dash
-  -rwxr-xr-x 1 root root 133220 Sep 20  2022 date
-  -rwxr-xr-x 1 root root  67732 Sep 20  2022 dd
-  -rwxr-xr-x 1 root root  68104 Sep 20  2022 df
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 dir
-  -rwxr-xr-x 1 root root  59128 Mar 22 21:02 dmesg
-  lrwxrwxrwx 1 root root      8 Dec 19 01:33 dnsdomainname -> hostname
-  lrwxrwxrwx 1 root root      8 Dec 19 01:33 domainname -> hostname
-  -rwxr-xr-x 1 root root  67560 Sep 20  2022 echo
-  -rwxr-xr-x 1 root root     41 Jan 24 02:43 egrep
-  -rwxr-xr-x 1 root root  67548 Sep 20  2022 false
-  -rwxr-xr-x 1 root root     41 Jan 24 02:43 fgrep
-  -rwxr-xr-x 1 root root  55748 Mar 22 21:02 findmnt
-  -rwsr-xr-x 1 root root  26208 Mar 22 20:15 fusermount
-  -rwxr-xr-x 1 root root 128608 Jan 24 02:43 grep
-  -rwxr-xr-x 2 root root   2346 Apr  9  2022 gunzip
-  -rwxr-xr-x 1 root root   6447 Apr  9  2022 gzexe
-  -rwxr-xr-x 1 root root  64220 Apr  9  2022 gzip
-  -rwxr-xr-x 1 root root  67032 Dec 19 01:33 hostname
-  -rwxr-xr-x 1 root root  67720 Sep 20  2022 ln
-  -rwxr-xr-x 1 root root  35132 Mar 22 21:51 login
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 ls
-  -rwxr-xr-x 1 root root 136808 Mar 22 21:02 lsblk
-  -rwxr-xr-x 1 root root  67800 Sep 20  2022 mkdir
-  -rwxr-xr-x 1 root root  67764 Sep 20  2022 mknod
-  -rwxr-xr-x 1 root root  67596 Sep 20  2022 mktemp
-  -rwxr-xr-x 1 root root  38504 Mar 22 21:02 more
-  -rwsr-xr-x 1 root root  38496 Mar 22 21:02 mount
-  -rwxr-xr-x 1 root root   9824 Mar 22 21:02 mountpoint
-  -rwxr-xr-x 1 root root 133532 Sep 20  2022 mv
-  lrwxrwxrwx 1 root root      8 Dec 19 01:33 nisdomainname -> hostname
-  lrwxrwxrwx 1 root root     14 Apr  2 18:25 pidof -> /sbin/killall5
-  -rwxr-xr-x 1 root root  67608 Sep 20  2022 pwd
-  lrwxrwxrwx 1 root root      4 Apr 23 09:24 rbash -> bash
-  -rwxr-xr-x 1 root root  67600 Sep 20  2022 readlink
-  -rwxr-xr-x 1 root root  67672 Sep 20  2022 rm
-  -rwxr-xr-x 1 root root  67600 Sep 20  2022 rmdir
-  -rwxr-xr-x 1 root root  67400 Nov  2  2022 run-parts
-  -rwxr-xr-x 1 root root 133372 Jan  5 07:55 sed
-  lrwxrwxrwx 1 root root      4 Jan  5 01:20 sh -> dash
-  -rwxr-xr-x 1 root root  67584 Sep 20  2022 sleep
-  -rwxr-xr-x 1 root root  67644 Sep 20  2022 stty
-  -rwsr-xr-x 1 root root  50800 Mar 22 21:02 su
-  -rwxr-xr-x 1 root root  67584 Sep 20  2022 sync
-  -rwxr-xr-x 1 root root 336764 Apr  6 02:25 tar
-  -rwxr-xr-x 1 root root  67144 Nov  2  2022 tempfile
-  -rwxr-xr-x 1 root root 133224 Sep 20  2022 touch
-  -rwxr-xr-x 1 root root  67548 Sep 20  2022 true
-  -rwxr-xr-x 1 root root   9768 Mar 22 20:15 ulockmgr_server
-  -rwsr-xr-x 1 root root  22108 Mar 22 21:02 umount
-  -rwxr-xr-x 1 root root  67572 Sep 20  2022 uname
-  -rwxr-xr-x 2 root root   2346 Apr  9  2022 uncompress
-  -rwxr-xr-x 1 root root 133632 Sep 20  2022 vdir
-  -rwxr-xr-x 1 root root  42608 Mar 22 21:02 wdctl
-  lrwxrwxrwx 1 root root      8 Dec 19 01:33 ypdomainname -> hostname
-  -rwxr-xr-x 1 root root   1984 Apr  9  2022 zcat
-  -rwxr-xr-x 1 root root   1678 Apr  9  2022 zcmp
-  -rwxr-xr-x 1 root root   6460 Apr  9  2022 zdiff
-  -rwxr-xr-x 1 root root     29 Apr  9  2022 zegrep
-  -rwxr-xr-x 1 root root     29 Apr  9  2022 zfgrep
-  -rwxr-xr-x 1 root root   2081 Apr  9  2022 zforce
-  -rwxr-xr-x 1 root root   8103 Apr  9  2022 zgrep
-  -rwxr-xr-x 1 root root   2206 Apr  9  2022 zless
-  -rwxr-xr-x 1 root root   1842 Apr  9  2022 zmore
-  -rwxr-xr-x 1 root root   4577 Apr  9  2022 znew
-I: user script /srv/workspace/pbuilder/2320/tmp/hooks/D02_print_environment finished
+  -rwxr-xr-x 1 root root 838488 Apr 24 11:24 bash
+  -rwxr-xr-x 3 root root  67144 Sep 19  2022 bunzip2
+  -rwxr-xr-x 3 root root  67144 Sep 19  2022 bzcat
+  lrwxrwxrwx 1 root root      6 Sep 19  2022 bzcmp -> bzdiff
+  -rwxr-xr-x 1 root root   2225 Sep 19  2022 bzdiff
+  lrwxrwxrwx 1 root root      6 Sep 19  2022 bzegrep -> bzgrep
+  -rwxr-xr-x 1 root root   4893 Nov 28  2021 bzexe
+  lrwxrwxrwx 1 root root      6 Sep 19  2022 bzfgrep -> bzgrep
+  -rwxr-xr-x 1 root root   3775 Sep 19  2022 bzgrep
+  -rwxr-xr-x 3 root root  67144 Sep 19  2022 bzip2
+  -rwxr-xr-x 1 root root  67112 Sep 19  2022 bzip2recover
+  lrwxrwxrwx 1 root root      6 Sep 19  2022 bzless -> bzmore
+  -rwxr-xr-x 1 root root   1297 Sep 19  2022 bzmore
+  -rwxr-xr-x 1 root root  67632 Sep 21  2022 cat
+  -rwxr-xr-x 1 root root  67676 Sep 21  2022 chgrp
+  -rwxr-xr-x 1 root root  67644 Sep 21  2022 chmod
+  -rwxr-xr-x 1 root root  67684 Sep 21  2022 chown
+  -rwxr-xr-x 1 root root 133532 Sep 21  2022 cp
+  -rwxr-xr-x 1 root root 132868 Jan  6 03:20 dash
+  -rwxr-xr-x 1 root root 133220 Sep 21  2022 date
+  -rwxr-xr-x 1 root root  67732 Sep 21  2022 dd
+  -rwxr-xr-x 1 root root  68104 Sep 21  2022 df
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 dir
+  -rwxr-xr-x 1 root root  59128 Mar 23 23:02 dmesg
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 dnsdomainname -> hostname
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 domainname -> hostname
+  -rwxr-xr-x 1 root root  67560 Sep 21  2022 echo
+  -rwxr-xr-x 1 root root     41 Jan 25 04:43 egrep
+  -rwxr-xr-x 1 root root  67548 Sep 21  2022 false
+  -rwxr-xr-x 1 root root     41 Jan 25 04:43 fgrep
+  -rwxr-xr-x 1 root root  55748 Mar 23 23:02 findmnt
+  -rwsr-xr-x 1 root root  26208 Mar 23 22:15 fusermount
+  -rwxr-xr-x 1 root root 128608 Jan 25 04:43 grep
+  -rwxr-xr-x 2 root root   2346 Apr 10  2022 gunzip
+  -rwxr-xr-x 1 root root   6447 Apr 10  2022 gzexe
+  -rwxr-xr-x 1 root root  64220 Apr 10  2022 gzip
+  -rwxr-xr-x 1 root root  67032 Dec 20 03:33 hostname
+  -rwxr-xr-x 1 root root  67720 Sep 21  2022 ln
+  -rwxr-xr-x 1 root root  35132 Mar 23 23:51 login
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 ls
+  -rwxr-xr-x 1 root root 136808 Mar 23 23:02 lsblk
+  -rwxr-xr-x 1 root root  67800 Sep 21  2022 mkdir
+  -rwxr-xr-x 1 root root  67764 Sep 21  2022 mknod
+  -rwxr-xr-x 1 root root  67596 Sep 21  2022 mktemp
+  -rwxr-xr-x 1 root root  38504 Mar 23 23:02 more
+  -rwsr-xr-x 1 root root  38496 Mar 23 23:02 mount
+  -rwxr-xr-x 1 root root   9824 Mar 23 23:02 mountpoint
+  -rwxr-xr-x 1 root root 133532 Sep 21  2022 mv
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 nisdomainname -> hostname
+  lrwxrwxrwx 1 root root     14 Apr  3 20:25 pidof -> /sbin/killall5
+  -rwxr-xr-x 1 root root  67608 Sep 21  2022 pwd
+  lrwxrwxrwx 1 root root      4 Apr 24 11:24 rbash -> bash
+  -rwxr-xr-x 1 root root  67600 Sep 21  2022 readlink
+  -rwxr-xr-x 1 root root  67672 Sep 21  2022 rm
+  -rwxr-xr-x 1 root root  67600 Sep 21  2022 rmdir
+  -rwxr-xr-x 1 root root  67400 Nov  3  2022 run-parts
+  -rwxr-xr-x 1 root root 133372 Jan  6 09:55 sed
+  lrwxrwxrwx 1 root root      9 May  5 14:05 sh -> /bin/bash
+  -rwxr-xr-x 1 root root  67584 Sep 21  2022 sleep
+  -rwxr-xr-x 1 root root  67644 Sep 21  2022 stty
+  -rwsr-xr-x 1 root root  50800 Mar 23 23:02 su
+  -rwxr-xr-x 1 root root  67584 Sep 21  2022 sync
+  -rwxr-xr-x 1 root root 336764 Apr  7 04:25 tar
+  -rwxr-xr-x 1 root root  67144 Nov  3  2022 tempfile
+  -rwxr-xr-x 1 root root 133224 Sep 21  2022 touch
+  -rwxr-xr-x 1 root root  67548 Sep 21  2022 true
+  -rwxr-xr-x 1 root root   9768 Mar 23 22:15 ulockmgr_server
+  -rwsr-xr-x 1 root root  22108 Mar 23 23:02 umount
+  -rwxr-xr-x 1 root root  67572 Sep 21  2022 uname
+  -rwxr-xr-x 2 root root   2346 Apr 10  2022 uncompress
+  -rwxr-xr-x 1 root root 133632 Sep 21  2022 vdir
+  -rwxr-xr-x 1 root root  42608 Mar 23 23:02 wdctl
+  lrwxrwxrwx 1 root root      8 Dec 20 03:33 ypdomainname -> hostname
+  -rwxr-xr-x 1 root root   1984 Apr 10  2022 zcat
+  -rwxr-xr-x 1 root root   1678 Apr 10  2022 zcmp
+  -rwxr-xr-x 1 root root   6460 Apr 10  2022 zdiff
+  -rwxr-xr-x 1 root root     29 Apr 10  2022 zegrep
+  -rwxr-xr-x 1 root root     29 Apr 10  2022 zfgrep
+  -rwxr-xr-x 1 root root   2081 Apr 10  2022 zforce
+  -rwxr-xr-x 1 root root   8103 Apr 10  2022 zgrep
+  -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/14373/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -231,7 +263,7 @@
 Get: 35 http://deb.debian.org/debian bookworm/main armhf pkg-config armhf 1.8.1-1 [13.7 kB]
 Get: 36 http://deb.debian.org/debian bookworm/main armhf libeigen3-dev all 3.4.0-4 [1041 kB]
 Get: 37 http://deb.debian.org/debian bookworm/main armhf libgtest-dev armhf 1.12.1-0.2 [232 kB]
-Fetched 19.9 MB in 2s (11.0 MB/s)
+Fetched 19.9 MB in 0s (42.4 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 ... 19329 files and directories currently installed.)
@@ -393,8 +425,19 @@
 Writing extended state information...
 Building tag database...
  -> Finished parsing the build-deps
+Reading package lists...
+Building dependency tree...
+Reading state information...
+usrmerge is already the newest version (35).
+0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/cppnumericalsolvers-1.0.0/ && 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  > ../cppnumericalsolvers_1.0.0-2_source.changes
+I: user script /srv/workspace/pbuilder/14373/tmp/hooks/A99_set_merged_usr starting
+Re-configuring usrmerge...
+removed '/etc/unsupported-skip-usrmerge-conversion'
+The system has been successfully converted.
+I: user script /srv/workspace/pbuilder/14373/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/cppnumericalsolvers-1.0.0/ && 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  > ../cppnumericalsolvers_1.0.0-2_source.changes
 dpkg-buildpackage: info: source package cppnumericalsolvers
 dpkg-buildpackage: info: source version 1.0.0-2
 dpkg-buildpackage: info: source distribution unstable
@@ -409,7 +452,7 @@
    dh_update_autotools_config
    dh_autoreconf
    debian/rules override_dh_auto_test
-make[1]: Entering directory '/build/cppnumericalsolvers-1.0.0'
+make[1]: ingresso nella directory «/build/cppnumericalsolvers-1.0.0»
 g++ -g -O2 -ffile-prefix-map=/build/cppnumericalsolvers-1.0.0=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 src/test/verify.cpp -o verify -I. -I/usr/include/eigen3 -lgtest -lpthread -Wl,-z,relro
 In file included from /usr/include/c++/12/vector:70,
                  from /usr/include/c++/12/functional:62,
@@ -427,10 +470,10 @@
 [----------] Global test environment set-up.
 [----------] 2 tests from GradientDescentTest
 [ RUN      ] GradientDescentTest.RosenbrockFarValue
-[       OK ] GradientDescentTest.RosenbrockFarValue (12 ms)
+[       OK ] GradientDescentTest.RosenbrockFarValue (11 ms)
 [ RUN      ] GradientDescentTest.RosenbrockNearValue
 [       OK ] GradientDescentTest.RosenbrockNearValue (0 ms)
-[----------] 2 tests from GradientDescentTest (12 ms total)
+[----------] 2 tests from GradientDescentTest (11 ms total)
 
 [----------] 3 tests from ConjugatedGradientDescentTest
 [ RUN      ] ConjugatedGradientDescentTest.RosenbrockFarValue
@@ -438,8 +481,8 @@
 [ RUN      ] ConjugatedGradientDescentTest.RosenbrockNearValue
 [       OK ] ConjugatedGradientDescentTest.RosenbrockNearValue (0 ms)
 [ RUN      ] ConjugatedGradientDescentTest.RosenbrockMixValue
-[       OK ] ConjugatedGradientDescentTest.RosenbrockMixValue (3 ms)
-[----------] 3 tests from ConjugatedGradientDescentTest (3 ms total)
+[       OK ] ConjugatedGradientDescentTest.RosenbrockMixValue (2 ms)
+[----------] 3 tests from ConjugatedGradientDescentTest (2 ms total)
 
 [----------] 3 tests from BfgsTest
 [ RUN      ] BfgsTest.RosenbrockFarValue
@@ -461,19 +504,19 @@
 
 [----------] 4 tests from LbfgsbTest
 [ RUN      ] LbfgsbTest.RosenbrockFarValue
-[       OK ] LbfgsbTest.RosenbrockFarValue (1 ms)
+[       OK ] LbfgsbTest.RosenbrockFarValue (0 ms)
 [ RUN      ] LbfgsbTest.RosenbrockNearValue
 [       OK ] LbfgsbTest.RosenbrockNearValue (0 ms)
 [ RUN      ] LbfgsbTest.RosenbrockMixValue
-[       OK ] LbfgsbTest.RosenbrockMixValue (2 ms)
+[       OK ] LbfgsbTest.RosenbrockMixValue (1 ms)
 [ RUN      ] LbfgsbTest.RosenbrockMixFull
 [       OK ] LbfgsbTest.RosenbrockMixFull (1 ms)
-[----------] 4 tests from LbfgsbTest (5 ms total)
+[----------] 4 tests from LbfgsbTest (4 ms total)
 
 [----------] 1 test from CMAesTest
 [ RUN      ] CMAesTest.RosenbrockNearValue
-[       OK ] CMAesTest.RosenbrockNearValue (14 ms)
-[----------] 1 test from CMAesTest (14 ms total)
+[       OK ] CMAesTest.RosenbrockNearValue (8 ms)
+[----------] 1 test from CMAesTest (8 ms total)
 
 [----------] 3 tests from NelderMeadTest/0, where TypeParam = float
 [ RUN      ] NelderMeadTest/0.RosenbrockFarValue
@@ -495,14 +538,14 @@
 
 [----------] 2 tests from GradientDescentTest/0, where TypeParam = float
 [ RUN      ] GradientDescentTest/0.RosenbrockFarGradient
-[       OK ] GradientDescentTest/0.RosenbrockFarGradient (3 ms)
+[       OK ] GradientDescentTest/0.RosenbrockFarGradient (4 ms)
 [ RUN      ] GradientDescentTest/0.RosenbrockNearGradient
 [       OK ] GradientDescentTest/0.RosenbrockNearGradient (0 ms)
-[----------] 2 tests from GradientDescentTest/0 (3 ms total)
+[----------] 2 tests from GradientDescentTest/0 (4 ms total)
 
 [----------] 2 tests from GradientDescentTest/1, where TypeParam = double
 [ RUN      ] GradientDescentTest/1.RosenbrockFarGradient
-[       OK ] GradientDescentTest/1.RosenbrockFarGradient (4 ms)
+[       OK ] GradientDescentTest/1.RosenbrockFarGradient (5 ms)
 [ RUN      ] GradientDescentTest/1.RosenbrockNearGradient
 [       OK ] GradientDescentTest/1.RosenbrockNearGradient (0 ms)
 [----------] 2 tests from GradientDescentTest/1 (5 ms total)
@@ -513,7 +556,7 @@
 [ RUN      ] ConjugatedGradientDescentTest/0.RosenbrockNearGradient
 [       OK ] ConjugatedGradientDescentTest/0.RosenbrockNearGradient (0 ms)
 [ RUN      ] ConjugatedGradientDescentTest/0.RosenbrockMixGradient
-[       OK ] ConjugatedGradientDescentTest/0.RosenbrockMixGradient (2 ms)
+[       OK ] ConjugatedGradientDescentTest/0.RosenbrockMixGradient (1 ms)
 [----------] 3 tests from ConjugatedGradientDescentTest/0 (2 ms total)
 
 [----------] 3 tests from ConjugatedGradientDescentTest/1, where TypeParam = double
@@ -523,7 +566,7 @@
 [       OK ] ConjugatedGradientDescentTest/1.RosenbrockNearGradient (0 ms)
 [ RUN      ] ConjugatedGradientDescentTest/1.RosenbrockMixGradient
 [       OK ] ConjugatedGradientDescentTest/1.RosenbrockMixGradient (1 ms)
-[----------] 3 tests from ConjugatedGradientDescentTest/1 (2 ms total)
+[----------] 3 tests from ConjugatedGradientDescentTest/1 (1 ms total)
 
 [----------] 3 tests from NewtonDescentTest/0, where TypeParam = float
 [ RUN      ] NewtonDescentTest/0.RosenbrockFarFull
@@ -595,23 +638,23 @@
 
 [----------] 1 test from CMAesTest/0, where TypeParam = float
 [ RUN      ] CMAesTest/0.RosenbrockNearFull
-[       OK ] CMAesTest/0.RosenbrockNearFull (1 ms)
-[----------] 1 test from CMAesTest/0 (1 ms total)
+[       OK ] CMAesTest/0.RosenbrockNearFull (2 ms)
+[----------] 1 test from CMAesTest/0 (2 ms total)
 
 [----------] 1 test from CMAesTest/1, where TypeParam = double
 [ RUN      ] CMAesTest/1.RosenbrockNearFull
-[       OK ] CMAesTest/1.RosenbrockNearFull (12 ms)
-[----------] 1 test from CMAesTest/1 (12 ms total)
+[       OK ] CMAesTest/1.RosenbrockNearFull (7 ms)
+[----------] 1 test from CMAesTest/1 (7 ms total)
 
 [----------] 1 test from CMAesBTest/0, where TypeParam = float
 [ RUN      ] CMAesBTest/0.RosenbrockNearFull
-[       OK ] CMAesBTest/0.RosenbrockNearFull (4 ms)
-[----------] 1 test from CMAesBTest/0 (4 ms total)
+[       OK ] CMAesBTest/0.RosenbrockNearFull (11 ms)
+[----------] 1 test from CMAesBTest/0 (11 ms total)
 
 [----------] 1 test from CMAesBTest/1, where TypeParam = double
 [ RUN      ] CMAesBTest/1.RosenbrockNearFull
-[       OK ] CMAesBTest/1.RosenbrockNearFull (1 ms)
-[----------] 1 test from CMAesBTest/1 (2 ms total)
+[       OK ] CMAesBTest/1.RosenbrockNearFull (6 ms)
+[----------] 1 test from CMAesBTest/1 (6 ms total)
 
 [----------] 2 tests from CentralDifference/0, where TypeParam = float
 [ RUN      ] CentralDifference/0.Gradient
@@ -628,10 +671,10 @@
 [----------] 2 tests from CentralDifference/1 (0 ms total)
 
 [----------] Global test environment tear-down
-[==========] 62 tests from 26 test suites ran. (83 ms total)
+[==========] 62 tests from 26 test suites ran. (75 ms total)
 [  PASSED  ] 62 tests.
 rm -f ./verify
-make[1]: Leaving directory '/build/cppnumericalsolvers-1.0.0'
+make[1]: uscita dalla directory «/build/cppnumericalsolvers-1.0.0»
    create-stamp debian/debhelper-build-stamp
    dh_prep
    dh_auto_install --destdir=debian/libcppnumericalsolvers-dev/
@@ -649,7 +692,7 @@
 dpkg-gencontrol: warning: Depends field of package libcppnumericalsolvers-dev: substitution variable ${shlibs:Depends} used, but is not defined
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'libcppnumericalsolvers-dev' in '../libcppnumericalsolvers-dev_1.0.0-2_all.deb'.
+dpkg-deb: generazione del pacchetto "libcppnumericalsolvers-dev" in "../libcppnumericalsolvers-dev_1.0.0-2_all.deb".
  dpkg-genbuildinfo --build=binary -O../cppnumericalsolvers_1.0.0-2_armhf.buildinfo
  dpkg-genchanges --build=binary -O../cppnumericalsolvers_1.0.0-2_armhf.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -657,12 +700,14 @@
 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/14373/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/14373/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/2320 and its subdirectories
-I: Current time: Thu May  4 12:05:10 -12 2023
-I: pbuilder-time-stamp: 1683245110
+I: removing directory /srv/workspace/pbuilder/14373 and its subdirectories
+I: Current time: Fri May  5 14:13:18 +14 2023
+I: pbuilder-time-stamp: 1683245598