Diff of the two buildlogs:

--
--- b1/build.log	2025-02-24 05:13:16.200033427 +0000
+++ b2/build.log	2025-02-24 05:18:55.796646944 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sat Mar 28 23:34:11 -12 2026
-I: pbuilder-time-stamp: 1774784051
+I: Current time: Mon Feb 24 19:13:19 +14 2025
+I: pbuilder-time-stamp: 1740373999
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -22,52 +22,84 @@
 dpkg-source: info: unpacking trilead-ssh2_6401+svn158-2.debian.tar.xz
 I: using fakeroot in build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/220325/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/3203917/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos11-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 Feb 24 05:13 /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/3203917/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/3203917/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=42 '
-  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=20 '
+  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='54d9a48f3e774f3eb768d735d3c36f1b'
-  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='220325'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=4dbe67953dfc4deea7da84bf4a15049a
+  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=3203917
   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.Vfu297Tb/pbuilderrc_rUnn --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.Vfu297Tb/b1 --logfile b1/build.log trilead-ssh2_6401+svn158-2.dsc'
-  SUDO_GID='111'
-  SUDO_UID='106'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  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.Vfu297Tb/pbuilderrc_uaW5 --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.Vfu297Tb/b2 --logfile b2/build.log trilead-ssh2_6401+svn158-2.dsc'
+  SUDO_GID=111
+  SUDO_UID=106
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos15-amd64 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) 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  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/220325/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/3203917/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -80,7 +112,7 @@
 Depends: debhelper-compat (= 13), javahelper, maven-repo-helper, default-jdk-headless
 dpkg-deb: building package 'pbuilder-satisfydepends-dummy' in '/tmp/satisfydepends-aptitude/pbuilder-satisfydepends-dummy.deb'.
 Selecting previously unselected package pbuilder-satisfydepends-dummy.
-(Reading database ... 19852 files and directories currently installed.)
+(Reading database ... 19802 files and directories currently installed.)
 Preparing to unpack .../pbuilder-satisfydepends-dummy.deb ...
 Unpacking pbuilder-satisfydepends-dummy (0.invalid.0) ...
 dpkg: pbuilder-satisfydepends-dummy: dependency problems, but configuring anyway as you requested:
@@ -236,10 +268,10 @@
 Get: 125 http://deb.debian.org/debian trixie/main amd64 jarwrapper all 0.80 [9692 B]
 Get: 126 http://deb.debian.org/debian trixie/main amd64 javahelper all 0.80 [80.4 kB]
 Get: 127 http://deb.debian.org/debian trixie/main amd64 maven-repo-helper all 1.11 [142 kB]
-Fetched 165 MB in 16s (10.5 MB/s)
+Fetched 165 MB in 15s (11.4 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpipeline1:amd64.
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+(Reading database ... 
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 Preparing to unpack .../libpipeline1_1.5.8-1_amd64.deb ...
 Unpacking libpipeline1:amd64 (1.5.8-1) ...
 Selecting previously unselected package binfmt-support.
@@ -258,7 +290,7 @@
 Setting up libexpat1:amd64 (2.6.4-1) ...
 Setting up python3.13-minimal (3.13.2-1) ...
 Selecting previously unselected package python3-minimal.
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+(Reading database ... 
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 Preparing to unpack .../0-python3-minimal_3.13.1-2_amd64.deb ...
 Unpacking python3-minimal (3.13.1-2) ...
 Selecting previously unselected package media-types.
@@ -294,7 +326,7 @@
 Unpacking libpython3-stdlib:amd64 (3.13.1-2) ...
 Setting up python3-minimal (3.13.1-2) ...
 Selecting previously unselected package python3.
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+(Reading database ... 
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 Preparing to unpack .../000-python3_3.13.1-2_amd64.deb ...
 Unpacking python3 (3.13.1-2) ...
 Selecting previously unselected package sensible-utils.
@@ -663,8 +695,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Mar 29 11:35:29 UTC 2026.
-Universal Time is now:  Sun Mar 29 11:35:29 UTC 2026.
+Local time is now:      Mon Feb 24 05:16:10 UTC 2025.
+Universal Time is now:  Mon Feb 24 05:16:10 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up autotools-dev (20220109.1) ...
@@ -972,7 +1004,11 @@
 fakeroot is already the newest version (1.37-1).
 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
 I: Building the package
-I: Running cd /build/reproducible-path/trilead-ssh2-6401+svn158/ && 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  > ../trilead-ssh2_6401+svn158-2_source.changes
+I: user script /srv/workspace/pbuilder/3203917/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/3203917/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/trilead-ssh2-6401+svn158/ && 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  > ../trilead-ssh2_6401+svn158-2_source.changes
 dpkg-buildpackage: info: source package trilead-ssh2
 dpkg-buildpackage: info: source version 6401+svn158-2
 dpkg-buildpackage: info: source distribution unstable
@@ -1000,6 +1036,18 @@
 warning: [options] source value 8 is obsolete and will be removed in a future release
 warning: [options] target value 8 is obsolete and will be removed in a future release
 warning: [options] To suppress warnings about obsolete options, use -Xlint:-options.
+./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:459: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
+			Integer key = new Integer(bindPort);
+			              ^
+./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:503: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
+			rfd = (RemoteForwardingData) remoteForwardings.get(new Integer(bindPort));
+			                                                   ^
+./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:1216: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
+				rfd = (RemoteForwardingData) remoteForwardings.get(new Integer(remoteConnectedPort));
+				                                                   ^
+./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:1299: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
+				c.exit_status = new Integer(exit_status);
+				                ^
 ./src/main/java/com/trilead/ssh2/SFTPv3Client.java:300: warning: [removal] Long(long) in Long has been deprecated and marked for removal
 			fa.size = new Long(tr.readUINT64());
 			          ^
@@ -1018,18 +1066,6 @@
 ./src/main/java/com/trilead/ssh2/SFTPv3Client.java:323: warning: [removal] Long(long) in Long has been deprecated and marked for removal
 			fa.mtime = new Long(((long)tr.readUINT32()) & 0xffffffffl);
 			           ^
-./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:459: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
-			Integer key = new Integer(bindPort);
-			              ^
-./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:503: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
-			rfd = (RemoteForwardingData) remoteForwardings.get(new Integer(bindPort));
-			                                                   ^
-./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:1216: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
-				rfd = (RemoteForwardingData) remoteForwardings.get(new Integer(remoteConnectedPort));
-				                                                   ^
-./src/main/java/com/trilead/ssh2/channel/ChannelManager.java:1299: warning: [removal] Integer(int) in Integer has been deprecated and marked for removal
-				c.exit_status = new Integer(exit_status);
-				                ^
 Note: ./src/main/java/com/trilead/ssh2/crypto/cipher/BlockCipherFactory.java uses or overrides a deprecated API.
 Note: Recompile with -Xlint:deprecation for details.
 Note: Some input files use unchecked or unsafe operations.
@@ -1088,12 +1124,14 @@
 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/3203917/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/3203917/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/220325 and its subdirectories
-I: Current time: Sat Mar 28 23:36:15 -12 2026
-I: pbuilder-time-stamp: 1774784175
+I: removing directory /srv/workspace/pbuilder/3203917 and its subdirectories
+I: Current time: Mon Feb 24 19:18:54 +14 2025
+I: pbuilder-time-stamp: 1740374334