Diff of the two buildlogs:

--
--- b1/build.log	2025-02-05 06:36:05.812777792 +0000
+++ b2/build.log	2025-02-05 06:37:13.665700211 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Mar 10 00:58:04 -12 2026
-I: pbuilder-time-stamp: 1773147484
+I: Current time: Wed Feb  5 20:36:08 +14 2025
+I: pbuilder-time-stamp: 1738737368
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -28,52 +28,84 @@
 dpkg-source: info: applying more-narrowing-conversions.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1946433/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/2090761/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 Feb  5 06:36 /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/2090761/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/2090761/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='25a1bdb1b7124fc1a0a0adb88829b86c'
-  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='1946433'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=47220af292044c1cb31f05d85304aa8d
+  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=2090761
   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.GoqmoOQO/pbuilderrc_8S8f --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.GoqmoOQO/b1 --logfile b1/build.log nautic_1.5-6.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.GoqmoOQO/pbuilderrc_OpwT --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.GoqmoOQO/b2 --logfile b2/build.log nautic_1.5-6.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 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-30-cloud-arm64 #1 SMP Debian 6.1.124-1 (2025-01-12) aarch64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1946433/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/2090761/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -300,7 +332,7 @@
 Get: 187 http://deb.debian.org/debian unstable/main arm64 wx-common arm64 3.2.6+dfsg-2 [115 kB]
 Get: 188 http://deb.debian.org/debian unstable/main arm64 wx3.2-headers all 3.2.6+dfsg-2 [1127 kB]
 Get: 189 http://deb.debian.org/debian unstable/main arm64 libwxgtk3.2-dev arm64 3.2.6+dfsg-2 [80.3 kB]
-Fetched 102 MB in 1s (176 MB/s)
+Fetched 102 MB in 0s (209 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libsystemd-shared:arm64.
 (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 ... 19920 files and directories currently installed.)
@@ -1092,7 +1124,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/nautic-1.5/ && 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  > ../nautic_1.5-6_source.changes
+I: user script /srv/workspace/pbuilder/2090761/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/2090761/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/nautic-1.5/ && 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  > ../nautic_1.5-6_source.changes
 dpkg-buildpackage: info: source package nautic
 dpkg-buildpackage: info: source version 1.5-6
 dpkg-buildpackage: info: source distribution unstable
@@ -1236,11 +1272,11 @@
       |                   ^~
       |                   --
 starpos.cpp:4145:19: note: or replace parentheses with braces to value-initialize a variable
+g++ -DHAVE_CONFIG_H -I. -I..  -I../gnulib/lib -I../gnulib/lib -Wdate-time -D_FORTIFY_SOURCE=2 -DNDEBUG -I/usr/lib/aarch64-linux-gnu/wx/include/gtk3-unicode-3.2 -I/usr/include/wx-3.2 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__  -g -O2 -ffile-prefix-map=/build/reproducible-path/nautic-1.5=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard  -c -o un_known_star.o un_known_star.cpp
 starpos.cpp: In member function 'int Starpos::mainPlanet(int, int, int, int, int, int)':
 starpos.cpp:4870:20: warning: control reaches end of non-void function [-Wreturn-type]
  4870 |                 JD += djd;
       |                 ~~~^~~~~~
-g++ -DHAVE_CONFIG_H -I. -I..  -I../gnulib/lib -I../gnulib/lib -Wdate-time -D_FORTIFY_SOURCE=2 -DNDEBUG -I/usr/lib/aarch64-linux-gnu/wx/include/gtk3-unicode-3.2 -I/usr/include/wx-3.2 -D_FILE_OFFSET_BITS=64 -DWXUSINGDLL -D__WXGTK__  -g -O2 -ffile-prefix-map=/build/reproducible-path/nautic-1.5=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -mbranch-protection=standard  -c -o un_known_star.o un_known_star.cpp
 Info_Dlg.cpp: In constructor 'Info_Dlg::Info_Dlg(wxWindow*, wxWindowID, const wxString&, const wxPoint&, const wxSize&, long int)':
 Info_Dlg.cpp:41:77: warning: 'wxFont::wxFont(int, int, int, int, bool, const wxString&, wxFontEncoding)' is deprecated: use wxFONT{FAMILY,STYLE,WEIGHT}_XXX constants [-Wdeprecated-declarations]
    41 |         m_staticText26->SetFont( wxFont( 10, 74, 90, 90, false, wxT("Sans") ) );
@@ -1452,6 +1488,37 @@
 /usr/include/wx-3.2/wx/gtk/font.h:91:5: note: declared here
    91 |     wxFont(int size,
       |     ^~~~~~
+main.cpp: In member function 'int MainDialog::GetMonthfromString(int)':
+main.cpp:1488:1: warning: no return statement in function returning non-void [-Wreturn-type]
+ 1488 | }
+      | ^
+Pos_dialog.cpp: In member function 'virtual void Pos_Dialog::OnPaint(wxPaintEvent&)':
+Pos_dialog.cpp:84:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
+   84 |         pen.SetStyle(wxLONG_DASH);
+      |         ~~~~~~~~~~~~^~~~~~~~~~~~~
+In file included from /usr/include/wx-3.2/wx/pen.h:108,
+                 from /usr/include/wx-3.2/wx/generic/statusbr.h:18,
+                 from /usr/include/wx-3.2/wx/statusbr.h:244,
+                 from /usr/include/wx-3.2/wx/frame.h:19,
+                 from /usr/include/wx-3.2/wx/wx.h:42,
+                 from ../Pos_dialog.h:26,
+                 from Pos_dialog.cpp:22:
+/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
+   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
+      |          ^~~~~~~~
+Pos_dialog.cpp:90:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
+   90 |         pen.SetStyle(wxSOLID);
+      |         ~~~~~~~~~~~~^~~~~~~~~
+/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
+   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
+      |          ^~~~~~~~
+Pos_dialog.cpp: In member function 'void Pos_Dialog::DrawPosLine(wxPaintDC*, double, double, double)':
+Pos_dialog.cpp:174:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
+  174 |         pen.SetStyle(wxSOLID);
+      |         ~~~~~~~~~~~~^~~~~~~~~
+/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
+   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
+      |          ^~~~~~~~
 plot_dialog.cpp: In member function 'virtual void Plot_dialog::OnPaint(wxPaintEvent&)':
 plot_dialog.cpp:150:40: warning: 'wxPen::wxPen(const wxColour&, int, int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
   150 |         wxPen pen(*wxBLUE,1,wxLONG_DASH);
@@ -1506,37 +1573,6 @@
 /usr/include/wx-3.2/wx/gtk/pen.h:53:5: note: declared here
    53 |     wxPen(const wxColour& col, int width, int style);
       |     ^~~~~
-main.cpp: In member function 'int MainDialog::GetMonthfromString(int)':
-main.cpp:1488:1: warning: no return statement in function returning non-void [-Wreturn-type]
- 1488 | }
-      | ^
-Pos_dialog.cpp: In member function 'virtual void Pos_Dialog::OnPaint(wxPaintEvent&)':
-Pos_dialog.cpp:84:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
-   84 |         pen.SetStyle(wxLONG_DASH);
-      |         ~~~~~~~~~~~~^~~~~~~~~~~~~
-In file included from /usr/include/wx-3.2/wx/pen.h:108,
-                 from /usr/include/wx-3.2/wx/generic/statusbr.h:18,
-                 from /usr/include/wx-3.2/wx/statusbr.h:244,
-                 from /usr/include/wx-3.2/wx/frame.h:19,
-                 from /usr/include/wx-3.2/wx/wx.h:42,
-                 from ../Pos_dialog.h:26,
-                 from Pos_dialog.cpp:22:
-/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
-   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
-      |          ^~~~~~~~
-Pos_dialog.cpp:90:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
-   90 |         pen.SetStyle(wxSOLID);
-      |         ~~~~~~~~~~~~^~~~~~~~~
-/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
-   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
-      |          ^~~~~~~~
-Pos_dialog.cpp: In member function 'void Pos_Dialog::DrawPosLine(wxPaintDC*, double, double, double)':
-Pos_dialog.cpp:174:21: warning: 'void wxPen::SetStyle(int)' is deprecated: use wxPENSTYLE_XXX constants [-Wdeprecated-declarations]
-  174 |         pen.SetStyle(wxSOLID);
-      |         ~~~~~~~~~~~~^~~~~~~~~
-/usr/include/wx-3.2/wx/gtk/pen.h:56:10: note: declared here
-   56 |     void SetStyle(int style) { SetStyle((wxPenStyle)style); }
-      |          ^~~~~~~~
 Sun.cpp: In member function 'double Sun::GHAAries(int, int, int, int, int, int)':
 Sun.cpp:541:1: warning: no return statement in function returning non-void [-Wreturn-type]
   541 | }
@@ -1672,12 +1708,14 @@
 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/2090761/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/2090761/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/1946433 and its subdirectories
-I: Current time: Tue Mar 10 00:59:03 -12 2026
-I: pbuilder-time-stamp: 1773147543
+I: removing directory /srv/workspace/pbuilder/2090761 and its subdirectories
+I: Current time: Wed Feb  5 20:37:12 +14 2025
+I: pbuilder-time-stamp: 1738737432