Diff of the two buildlogs:

--
--- b1/build.log	2025-03-03 08:13:18.192147116 +0000
+++ b2/build.log	2025-03-03 08:14:14.637590874 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Mar  2 20:12:38 -12 2025
-I: pbuilder-time-stamp: 1740989558
+I: Current time: Mon Apr  6 04:36:25 +14 2026
+I: pbuilder-time-stamp: 1775399785
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -109,54 +109,86 @@
 dpkg-source: info: applying fixes/gcc-15-compiler.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/35432/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/93294/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos16-i386.
+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 Apr  5 14:36 /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/93294/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/93294/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='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=11 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='i386'
+  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]="i686-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=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=21 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='395b43ddc2d8450bb684bac0555b96f3'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  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='35432'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=14ccc0bc0a8f4950804ce60e2f87cf89
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-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=93294
   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.mjyifqMB/pbuilderrc_l0rM --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.mjyifqMB/b1 --logfile b1/build.log cron_3.0pl1-194.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  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.mjyifqMB/pbuilderrc_Qkmy --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.mjyifqMB/b2 --logfile b2/build.log cron_3.0pl1-194.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  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 ionos2-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) 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/35432/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/93294/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -263,7 +295,7 @@
 Get: 58 http://deb.debian.org/debian unstable/main i386 libselinux1-dev i386 3.8-4 [177 kB]
 Get: 59 http://deb.debian.org/debian unstable/main i386 libxslt1.1 i386 1.1.35-1.1+b1 [243 kB]
 Get: 60 http://deb.debian.org/debian unstable/main i386 xsltproc i386 1.1.35-1.1+b1 [115 kB]
-Fetched 32.2 MB in 0s (89.3 MB/s)
+Fetched 32.2 MB in 2s (18.9 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:i386.
 (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 ... 19764 files and directories currently installed.)
@@ -475,8 +507,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Mon Mar  3 08:13:03 UTC 2025.
-Universal Time is now:  Mon Mar  3 08:13:03 UTC 2025.
+Local time is now:      Sun Apr  5 14:36:54 UTC 2026.
+Universal Time is now:  Sun Apr  5 14:36:54 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -531,7 +563,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/cron-3.0pl1/ && 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  > ../cron_3.0pl1-194_source.changes
+I: user script /srv/workspace/pbuilder/93294/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/93294/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/cron-3.0pl1/ && 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  > ../cron_3.0pl1-194_source.changes
 dpkg-buildpackage: info: source package cron
 dpkg-buildpackage: info: source version 3.0pl1-194
 dpkg-buildpackage: info: source distribution unstable
@@ -543,7 +579,7 @@
    debian/rules override_dh_auto_clean
 make[1]: Entering directory '/build/reproducible-path/cron-3.0pl1'
 dh_auto_clean
-	make -j11 clean
+	make -j21 clean
 make[2]: Entering directory '/build/reproducible-path/cron-3.0pl1'
 rm -f *.o cron crontab a.out core tags *~ #*
 make[2]: Leaving directory '/build/reproducible-path/cron-3.0pl1'
@@ -557,7 +593,7 @@
    dh_autoreconf
    dh_auto_configure
    dh_auto_build
-	make -j11 "INSTALL=install --strip-program=true"
+	make -j21 "INSTALL=install --strip-program=true"
 make[1]: Entering directory '/build/reproducible-path/cron-3.0pl1'
 cc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cron-3.0pl1=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -Wno-unused -Wno-comment -I. -DPOSIX -DDEBUGGING=1 -DUSE_PAM -DWITH_SELINUX  -Wdate-time -D_FORTIFY_SOURCE=2  -c -o cron.o cron.c
 cc -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/cron-3.0pl1=. -fstack-protector-strong -Wformat -Werror=format-security -Wall -Wno-unused -Wno-comment -I. -DPOSIX -DDEBUGGING=1 -DUSE_PAM -DWITH_SELINUX  -Wdate-time -D_FORTIFY_SOURCE=2  -c -o database.o database.c
@@ -578,7 +614,33 @@
 cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
   208 |         security_context_t scontext;    /* SELinux security context */
       |         ^~~~~~~~~~~~~~~~~~
-In file included from entry.c:29:
+In file included from cron.c:26:
+cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
+  208 |         security_context_t scontext;    /* SELinux security context */
+      |         ^~~~~~~~~~~~~~~~~~
+In file included from compat.c:27:
+cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
+  208 |         security_context_t scontext;    /* SELinux security context */
+      |         ^~~~~~~~~~~~~~~~~~
+cron.c: In function 'main':
+cron.c:131:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
+  131 |               freopen("/dev/null", "r", stdin);
+      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+cron.c:132:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
+  132 |               freopen("/dev/null", "w", stdout);
+      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+cron.c:133:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
+  133 |               freopen("/dev/null", "w", stderr);
+      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+crontab.c: In function 'delete_cmd':
+crontab.c:392:32: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
+  392 |                         (void) fgets(q, sizeof q, stdin);
+      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
+crontab.c: In function 'edit_cmd':
+crontab.c:772:32: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
+  772 |                         (void) fgets(q, sizeof q, stdin);
+      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
+In file included from misc.c:27:
 cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
   208 |         security_context_t scontext;    /* SELinux security context */
       |         ^~~~~~~~~~~~~~~~~~
@@ -586,10 +648,22 @@
 cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
   208 |         security_context_t scontext;    /* SELinux security context */
       |         ^~~~~~~~~~~~~~~~~~
+In file included from env.c:23:
+cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
+  208 |         security_context_t scontext;    /* SELinux security context */
+      |         ^~~~~~~~~~~~~~~~~~
+In file included from popen.c:31:
+cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
+  208 |         security_context_t scontext;    /* SELinux security context */
+      |         ^~~~~~~~~~~~~~~~~~
 In file included from user.c:28:
 cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
   208 |         security_context_t scontext;    /* SELinux security context */
       |         ^~~~~~~~~~~~~~~~~~
+In file included from entry.c:29:
+cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
+  208 |         security_context_t scontext;    /* SELinux security context */
+      |         ^~~~~~~~~~~~~~~~~~
 In file included from do_command.c:23:
 cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
   208 |         security_context_t scontext;    /* SELinux security context */
@@ -607,55 +681,10 @@
 user.c:41:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
    41 |         security_context_t  file_context=NULL;
       |         ^~~~~~~~~~~~~~~~~~
-In file included from cron.c:26:
-cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
-  208 |         security_context_t scontext;    /* SELinux security context */
-      |         ^~~~~~~~~~~~~~~~~~
-In file included from misc.c:27:
-cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
-  208 |         security_context_t scontext;    /* SELinux security context */
-      |         ^~~~~~~~~~~~~~~~~~
-crontab.c: In function 'delete_cmd':
-In file included from popen.c:31:
-cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
-  208 |         security_context_t scontext;    /* SELinux security context */
-      |         ^~~~~~~~~~~~~~~~~~
-In file included from env.c:23:
-cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
-  208 |         security_context_t scontext;    /* SELinux security context */
-      |         ^~~~~~~~~~~~~~~~~~
-crontab.c:392:32: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
-  392 |                         (void) fgets(q, sizeof q, stdin);
-      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
-In file included from compat.c:27:
-cron.h:208:9: warning: 'security_context_t' is deprecated [-Wdeprecated-declarations]
-  208 |         security_context_t scontext;    /* SELinux security context */
-      |         ^~~~~~~~~~~~~~~~~~
-crontab.c: In function 'edit_cmd':
-crontab.c:772:32: warning: ignoring return value of 'fgets' declared with attribute 'warn_unused_result' [-Wunused-result]
-  772 |                         (void) fgets(q, sizeof q, stdin);
-      |                                ^~~~~~~~~~~~~~~~~~~~~~~~~
 popen.c: In function 'cron_popen':
 popen.c:148:17: warning: ignoring return value of 'chdir' declared with attribute 'warn_unused_result' [-Wunused-result]
   148 |                 chdir(env_get("HOME", e->envp));
       |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-cron.c: In function 'main':
-cron.c:131:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
-  131 |               freopen("/dev/null", "r", stdin);
-      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-cron.c:132:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
-  132 |               freopen("/dev/null", "w", stdout);
-      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-cron.c:133:15: warning: ignoring return value of 'freopen' declared with attribute 'warn_unused_result' [-Wunused-result]
-  133 |               freopen("/dev/null", "w", stderr);
-      |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-do_command.c: In function 'child_process':
-do_command.c:179:9: warning: ignoring return value of 'pipe' declared with attribute 'warn_unused_result' [-Wunused-result]
-  179 |         pipe(stdin_pipe);       /* child's stdin */
-      |         ^~~~~~~~~~~~~~~~
-do_command.c:324:17: warning: ignoring return value of 'chdir' declared with attribute 'warn_unused_result' [-Wunused-result]
-  324 |                 chdir(env_get("HOME", e->envp));
-      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 misc.c: In function 'acquire_daemonlock':
 misc.c:309:25: warning: ignoring return value of 'fscanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   309 |                         fscanf(fp, "%d", &otherpid);
@@ -663,6 +692,13 @@
 misc.c:324:16: warning: ignoring return value of 'ftruncate' declared with attribute 'warn_unused_result' [-Wunused-result]
   324 |         (void) ftruncate(fileno(fp), ftell(fp));
       |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+do_command.c: In function 'child_process':
+do_command.c:179:9: warning: ignoring return value of 'pipe' declared with attribute 'warn_unused_result' [-Wunused-result]
+  179 |         pipe(stdin_pipe);       /* child's stdin */
+      |         ^~~~~~~~~~~~~~~~
+do_command.c:324:17: warning: ignoring return value of 'chdir' declared with attribute 'warn_unused_result' [-Wunused-result]
+  324 |                 chdir(env_get("HOME", e->envp));
+      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 cron.c:108:17: warning: '__builtin_strncpy' specified bound 1000 equals destination size [-Wstringop-truncation]
   108 |                 strncpy(cron_default_mail_charset, cs, MAX_ENVSTR);
       |                 ^
@@ -753,8 +789,8 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
-dpkg-deb: building package 'cron-dbgsym' in '../cron-dbgsym_3.0pl1-194_i386.deb'.
 dpkg-deb: building package 'cron' in '../cron_3.0pl1-194_i386.deb'.
+dpkg-deb: building package 'cron-dbgsym' in '../cron-dbgsym_3.0pl1-194_i386.deb'.
 dpkg-deb: building package 'cron-daemon-common' in '../cron-daemon-common_3.0pl1-194_all.deb'.
  dpkg-genbuildinfo --build=binary -O../cron_3.0pl1-194_i386.buildinfo
  dpkg-genchanges --build=binary -O../cron_3.0pl1-194_i386.changes
@@ -763,12 +799,14 @@
 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/93294/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/93294/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/35432 and its subdirectories
-I: Current time: Sun Mar  2 20:13:17 -12 2025
-I: pbuilder-time-stamp: 1740989597
+I: removing directory /srv/workspace/pbuilder/93294 and its subdirectories
+I: Current time: Mon Apr  6 04:37:11 +14 2026
+I: pbuilder-time-stamp: 1775399831