Diff of the two buildlogs:

--
--- b1/build.log	2025-02-06 02:51:31.391416526 +0000
+++ b2/build.log	2025-02-06 02:52:41.904215528 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Feb  5 14:45:20 -12 2025
-I: pbuilder-time-stamp: 1738809920
+I: Current time: Wed Mar 11 23:14:33 +14 2026
+I: pbuilder-time-stamp: 1773220473
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -33,52 +33,84 @@
 dpkg-source: info: applying incompatible-pointer-types.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/1786870/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/4184104/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos5-amd64.
+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 11 09:14 /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/4184104/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/4184104/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='amd64'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=20 '
-  DISTRIBUTION='trixie'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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]="x86_64-pc-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=amd64
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 '
+  DIRSTACK=()
+  DISTRIBUTION=trixie
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='3f06b652012849c780d4ed1d50134631'
-  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='1786870'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=dd8c0375b88b41b1b45af890ea64a813
+  LANG=C
+  LANGUAGE=et_EE:et
+  LC_ALL=C
+  MACHTYPE=x86_64-pc-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=4184104
   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.UEPIiT0E/pbuilderrc_cb4d --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.UEPIiT0E/b1 --logfile b1/build.log php-geos_1.0.0-8.dsc'
-  SUDO_GID='110'
-  SUDO_UID='105'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://46.16.76.132:3128'
+  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.UEPIiT0E/pbuilderrc_pBaP --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.UEPIiT0E/b2 --logfile b2/build.log php-geos_1.0.0-8.dsc'
+  SUDO_GID=110
+  SUDO_UID=105
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://213.165.73.152:3128
 I: uname -a
-  Linux ionos1-amd64 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/1786870/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/4184104/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -227,7 +259,7 @@
 Get: 103 http://deb.debian.org/debian trixie/main amd64 phpunit-object-enumerator all 6.0.1-3 [6656 B]
 Get: 104 http://deb.debian.org/debian trixie/main amd64 phpunit-type all 5.1.0-3 [12.3 kB]
 Get: 105 http://deb.debian.org/debian trixie/main amd64 phpunit all 11.5.5-1 [251 kB]
-Fetched 35.9 MB in 6s (6360 kB/s)
+Fetched 35.9 MB in 1s (63.4 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package tzdata.
 (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 ... 19843 files and directories currently installed.)
@@ -572,8 +604,8 @@
 Setting up tzdata (2024b-6) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Thu Feb  6 02:47:47 UTC 2025.
-Universal Time is now:  Thu Feb  6 02:47:47 UTC 2025.
+Local time is now:      Wed Mar 11 09:15:09 UTC 2026.
+Universal Time is now:  Wed Mar 11 09:15:09 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -704,7 +736,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/php-geos-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  > ../php-geos_1.0.0-8_source.changes
+I: user script /srv/workspace/pbuilder/4184104/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/4184104/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/php-geos-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  > ../php-geos_1.0.0-8_source.changes
 dpkg-buildpackage: info: source package php-geos
 dpkg-buildpackage: info: source version 1.0.0-8
 dpkg-buildpackage: info: source distribution unstable
@@ -877,17 +913,17 @@
 config.status: creating config.h
 config.status: executing libtool commands
    dh_auto_build
-	make -j20
+	make -j42
 make[1]: Entering directory '/build/reproducible-path/php-geos-1.0.0'
-/bin/bash /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=compile cc -I. -I/build/reproducible-path/php-geos-1.0.0 -I/usr/include/php/20240924 -I/usr/include/php/20240924/main -I/usr/include/php/20240924/TSRM -I/usr/include/php/20240924/Zend -I/usr/include/php/20240924/ext -I/usr/include/php/20240924/ext/date/lib  -Wdate-time -D_FORTIFY_SOURCE=2 -DHAVE_CONFIG_H  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -D_GNU_SOURCE    -DZEND_COMPILE_DL_EXT=1 -c /build/reproducible-path/php-geos-1.0.0/geos.c -o geos.lo  -MMD -MF geos.dep -MT geos.lo
+/bin/sh /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=compile cc -I. -I/build/reproducible-path/php-geos-1.0.0 -I/usr/include/php/20240924 -I/usr/include/php/20240924/main -I/usr/include/php/20240924/TSRM -I/usr/include/php/20240924/Zend -I/usr/include/php/20240924/ext -I/usr/include/php/20240924/ext/date/lib  -Wdate-time -D_FORTIFY_SOURCE=2 -DHAVE_CONFIG_H  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -D_GNU_SOURCE    -DZEND_COMPILE_DL_EXT=1 -c /build/reproducible-path/php-geos-1.0.0/geos.c -o geos.lo  -MMD -MF geos.dep -MT geos.lo
 libtool: compile:  cc -I. -I/build/reproducible-path/php-geos-1.0.0 -I/usr/include/php/20240924 -I/usr/include/php/20240924/main -I/usr/include/php/20240924/TSRM -I/usr/include/php/20240924/Zend -I/usr/include/php/20240924/ext -I/usr/include/php/20240924/ext/date/lib -Wdate-time -D_FORTIFY_SOURCE=2 -DHAVE_CONFIG_H -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -D_GNU_SOURCE -DZEND_COMPILE_DL_EXT=1 -c /build/reproducible-path/php-geos-1.0.0/geos.c -MMD -MF geos.dep -MT geos.lo  -fPIC -DPIC -o .libs/geos.o
-/bin/bash /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=link cc -shared -I/usr/include/php/20240924 -I/usr/include/php/20240924/main -I/usr/include/php/20240924/TSRM -I/usr/include/php/20240924/Zend -I/usr/include/php/20240924/ext -I/usr/include/php/20240924/ext/date/lib  -Wdate-time -D_FORTIFY_SOURCE=2 -DHAVE_CONFIG_H  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -D_GNU_SOURCE  -L/usr/lib/x86_64-linux-gnu -Wl,-z,relro -Wl,-z,now  -o geos.la -export-dynamic -avoid-version -prefer-pic -module -rpath /build/reproducible-path/php-geos-1.0.0/modules  geos.lo -lgeos_c
+/bin/sh /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=link cc -shared -I/usr/include/php/20240924 -I/usr/include/php/20240924/main -I/usr/include/php/20240924/TSRM -I/usr/include/php/20240924/Zend -I/usr/include/php/20240924/ext -I/usr/include/php/20240924/ext/date/lib  -Wdate-time -D_FORTIFY_SOURCE=2 -DHAVE_CONFIG_H  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection -D_GNU_SOURCE  -L/usr/lib/x86_64-linux-gnu -Wl,-z,relro -Wl,-z,now  -o geos.la -export-dynamic -avoid-version -prefer-pic -module -rpath /build/reproducible-path/php-geos-1.0.0/modules  geos.lo -lgeos_c
 libtool: link: cc -shared  -fPIC -DPIC  .libs/geos.o   -L/usr/lib/x86_64-linux-gnu -lgeos_c  -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/php-geos-1.0.0=. -fstack-protector-strong -Werror=format-security -Wl,-z -Wl,relro -Wl,-z -Wl,now   -Wl,-soname -Wl,geos.so -o .libs/geos.so
 libtool: link: ( cd ".libs" && rm -f "geos.la" && ln -s "../geos.la" "geos.la" )
-/bin/bash /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=install cp ./geos.la /build/reproducible-path/php-geos-1.0.0/modules
+/bin/sh /build/reproducible-path/php-geos-1.0.0/libtool --tag=CC --mode=install cp ./geos.la /build/reproducible-path/php-geos-1.0.0/modules
 libtool: install: cp ./.libs/geos.so /build/reproducible-path/php-geos-1.0.0/modules/geos.so
 libtool: install: cp ./.libs/geos.lai /build/reproducible-path/php-geos-1.0.0/modules/geos.la
-libtool: finish: PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/sbin" ldconfig -n /build/reproducible-path/php-geos-1.0.0/modules
+libtool: finish: PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path:/sbin" ldconfig -n /build/reproducible-path/php-geos-1.0.0/modules
 ----------------------------------------------------------------------
 Libraries have been installed in:
    /build/reproducible-path/php-geos-1.0.0/modules
@@ -914,7 +950,7 @@
    debian/rules override_dh_auto_test
 make[1]: Entering directory '/build/reproducible-path/php-geos-1.0.0'
 REPORT_EXIT_STATUS=1 NO_INTERACTION=1 TESTS="-q --show-diff" dh_auto_test || echo "Ignoring test failures"
-	make -j20 test "TESTSUITEFLAGS=-j20 --verbose" VERBOSE=1
+	make -j42 test "TESTSUITEFLAGS=-j42 --verbose" VERBOSE=1
 make[2]: Entering directory '/build/reproducible-path/php-geos-1.0.0'
 
 Build complete.
@@ -926,14 +962,14 @@
 PHP_SAPI    : cli
 PHP_VERSION : 8.4.3
 ZEND_VERSION: 4.4.3
-PHP_OS      : Linux - Linux ionos1-amd64 6.1.0-30-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.124-1 (2025-01-12) x86_64
+PHP_OS      : Linux - Linux i-capture-the-hostname 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) x86_64
 INI actual  : /build/reproducible-path/php-geos-1.0.0/tmp-php.ini
 More .INIs  :   
 CWD         : /build/reproducible-path/php-geos-1.0.0
 Extra dirs  : 
 VALGRIND    : Not used
 =====================================================================
-TIME START 2025-02-06 02:51:13
+TIME START 2026-03-11 09:15:37
 =====================================================================
 TEST 1/6 [tests/000_General.phpt]
PASS General tests [tests/000_General.phpt] 
 TEST 2/6 [tests/001_Geometry.phpt]
@@ -1069,7 +1105,7 @@
 ========DONE========
 FAIL WKBReader tests [tests/005_WKBReader.phpt] 
 =====================================================================
-TIME END 2025-02-06 02:51:13
+TIME END 2026-03-11 09:15:37
 
 =====================================================================
 TEST RESULT SUMMARY
@@ -1084,7 +1120,7 @@
 Tests failed    :     4 ( 66.7%) ( 66.7%)
 Tests passed    :     2 ( 33.3%) ( 33.3%)
 ---------------------------------------------------------------------
-Time taken      : 0.777 seconds
+Time taken      : 0.135 seconds
 =====================================================================
 
 =====================================================================
@@ -1097,7 +1133,7 @@
 =====================================================================
 make[2]: *** [Makefile:130: test] Error 1
 make[2]: Leaving directory '/build/reproducible-path/php-geos-1.0.0'
-dh_auto_test: error: make -j20 test "TESTSUITEFLAGS=-j20 --verbose" VERBOSE=1 returned exit code 2
+dh_auto_test: error: make -j42 test "TESTSUITEFLAGS=-j42 --verbose" VERBOSE=1 returned exit code 2
 Ignoring test failures
 make[1]: Leaving directory '/build/reproducible-path/php-geos-1.0.0'
    create-stamp debian/debhelper-build-stamp
@@ -1123,7 +1159,7 @@
    dh_strip -a
    dh_makeshlibs -a
    dh_shlibdeps -a
-dpkg-shlibdeps: warning: debian/php-geos/usr/lib/php/20240924/geos.so contains an unresolvable reference to symbol php_info_print_table_start: it's probably a plugin
+dpkg-shlibdeps: warning: debian/php-geos/usr/lib/php/20240924/geos.so contains an unresolvable reference to symbol zend_array_dup: it's probably a plugin
 dpkg-shlibdeps: warning: 32 other similar warnings have been skipped (use -v to see them all)
    dh_installdeb
    dh_gencontrol
@@ -1138,12 +1174,14 @@
 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/4184104/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/4184104/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/1786870 and its subdirectories
-I: Current time: Wed Feb  5 14:51:30 -12 2025
-I: pbuilder-time-stamp: 1738810290
+I: removing directory /srv/workspace/pbuilder/4184104 and its subdirectories
+I: Current time: Wed Mar 11 23:15:41 +14 2026
+I: pbuilder-time-stamp: 1773220541