Diff of the two buildlogs:

--
--- b1/build.log	2025-03-22 00:15:12.005478443 +0000
+++ b2/build.log	2025-03-22 00:16:53.396933820 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Fri Mar 21 12:11:33 -12 2025
-I: pbuilder-time-stamp: 1742602293
+I: Current time: Fri Apr 24 20:38:13 +14 2026
+I: pbuilder-time-stamp: 1777012693
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -26,52 +26,84 @@
 dpkg-source: info: applying CVE-2020-36843.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2133167/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/376510/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos15-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 Apr 24 06:38 /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/376510/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/376510/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='unstable'
-  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=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=x86_64
+  HOST_ARCH=amd64
   IFS=' 	
   '
-  INVOCATION_ID='57a0ec2918c74f56a4c71d129b786a03'
-  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='2133167'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=a699ec7d4789401b90cdeae760b56d74
+  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=376510
   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.fQn9pyku/pbuilderrc_u7Zy --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.fQn9pyku/b1 --logfile b1/build.log libeddsa-java_0.3.0-2.1.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://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.fQn9pyku/pbuilderrc_q3OP --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.fQn9pyku/b2 --logfile b2/build.log libeddsa-java_0.3.0-2.1.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://213.165.73.152:3128
 I: uname -a
-  Linux ionos11-amd64 6.1.0-32-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.129-1 (2025-03-06) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Mar  4 11:20 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/2133167/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Mar  4  2025 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/376510/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -267,7 +299,7 @@
 Get: 150 http://deb.debian.org/debian unstable/main amd64 maven-repo-helper all 1.11 [142 kB]
 Get: 151 http://deb.debian.org/debian unstable/main amd64 unzip amd64 6.0-29 [173 kB]
 Get: 152 http://deb.debian.org/debian unstable/main amd64 maven-debian-helper all 2.6.7 [108 kB]
-Fetched 180 MB in 13s (14.3 MB/s)
+Fetched 180 MB in 2s (78.6 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sgml-base.
 (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 ... 19807 files and directories currently installed.)
@@ -1085,7 +1117,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/libeddsa-java-0.3.0/ && 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  > ../libeddsa-java_0.3.0-2.1_source.changes
+I: user script /srv/workspace/pbuilder/376510/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/376510/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/libeddsa-java-0.3.0/ && 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  > ../libeddsa-java_0.3.0-2.1_source.changes
 dpkg-buildpackage: info: source package libeddsa-java
 dpkg-buildpackage: info: source version 0.3.0-2.1
 dpkg-buildpackage: info: source distribution unstable
@@ -1162,8 +1198,8 @@
 [INFO] ------------------------------------------------------------------------
 [INFO] BUILD SUCCESS
 [INFO] ------------------------------------------------------------------------
-[INFO] Total time:  6.547 s
-[INFO] Finished at: 2025-03-22T00:13:35Z
+[INFO] Total time:  2.632 s
+[INFO] Finished at: 2026-04-24T06:39:07Z
 [INFO] ------------------------------------------------------------------------
    dh_auto_test
 	/usr/lib/jvm/default-java/bin/java -noverify -cp /usr/share/maven/boot/plexus-classworlds-2.x.jar -Dmaven.home=/usr/share/maven -Dmaven.multiModuleProjectDirectory=/build/reproducible-path/libeddsa-java-0.3.0 -Dclassworlds.conf=/etc/maven/m2-debian.conf org.codehaus.plexus.classworlds.launcher.Launcher -s/etc/maven/settings-debian.xml -Ddebian.dir=/build/reproducible-path/libeddsa-java-0.3.0/debian -Dmaven.repo.local=/build/reproducible-path/libeddsa-java-0.3.0/debian/maven-repo --batch-mode test
@@ -1193,34 +1229,34 @@
 [INFO] -------------------------------------------------------
 [INFO]  T E S T S
 [INFO] -------------------------------------------------------
-[INFO] Running net.i2p.crypto.eddsa.EdDSASecurityProviderTest
-[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.445 s - in net.i2p.crypto.eddsa.EdDSASecurityProviderTest
 [INFO] Running net.i2p.crypto.eddsa.EdDSAEngineTest
-[INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.522 s - in net.i2p.crypto.eddsa.EdDSAEngineTest
+[INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.658 s - in net.i2p.crypto.eddsa.EdDSAEngineTest
 [INFO] Running net.i2p.crypto.eddsa.spec.EdDSANamedCurveTableTest
-[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.spec.EdDSANamedCurveTableTest
+[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in net.i2p.crypto.eddsa.spec.EdDSANamedCurveTableTest
 [INFO] Running net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpecTest
 [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpecTest
-[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519LittleEndianEncodingTest
-[INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.195 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519LittleEndianEncodingTest
-[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519ScalarOpsTest
-[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.148 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519ScalarOpsTest
-[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519FieldElementTest
-[INFO] Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.358 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519FieldElementTest
+[INFO] Running net.i2p.crypto.eddsa.UtilsTest
+[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.UtilsTest
+[INFO] Running net.i2p.crypto.eddsa.EdDSAPrivateKeyTest
+[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.EdDSAPrivateKeyTest
+[INFO] Running net.i2p.crypto.eddsa.math.bigint.BigIntegerFieldElementTest
+[INFO] Tests run: 16, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.254 s - in net.i2p.crypto.eddsa.math.bigint.BigIntegerFieldElementTest
+[INFO] Running net.i2p.crypto.eddsa.math.bigint.BigIntegerScalarOpsTest
+[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.math.bigint.BigIntegerScalarOpsTest
 [INFO] Running net.i2p.crypto.eddsa.math.ConstantsTest
 [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 s - in net.i2p.crypto.eddsa.math.ConstantsTest
+[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519FieldElementTest
+[INFO] Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.37 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519FieldElementTest
+[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519LittleEndianEncodingTest
+[INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.951 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519LittleEndianEncodingTest
+[INFO] Running net.i2p.crypto.eddsa.math.ed25519.Ed25519ScalarOpsTest
+[INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.041 s - in net.i2p.crypto.eddsa.math.ed25519.Ed25519ScalarOpsTest
 [INFO] Running net.i2p.crypto.eddsa.math.GroupElementTest
-[INFO] Tests run: 53, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.745 s - in net.i2p.crypto.eddsa.math.GroupElementTest
-[INFO] Running net.i2p.crypto.eddsa.math.bigint.BigIntegerFieldElementTest
-[INFO] Tests run: 16, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.236 s - in net.i2p.crypto.eddsa.math.bigint.BigIntegerFieldElementTest
-[INFO] Running net.i2p.crypto.eddsa.math.bigint.BigIntegerScalarOpsTest
-[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 s - in net.i2p.crypto.eddsa.math.bigint.BigIntegerScalarOpsTest
+[INFO] Tests run: 53, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.463 s - in net.i2p.crypto.eddsa.math.GroupElementTest
+[INFO] Running net.i2p.crypto.eddsa.EdDSASecurityProviderTest
+[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 s - in net.i2p.crypto.eddsa.EdDSASecurityProviderTest
 [INFO] Running net.i2p.crypto.eddsa.EdDSAPublicKeyTest
-[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 s - in net.i2p.crypto.eddsa.EdDSAPublicKeyTest
-[INFO] Running net.i2p.crypto.eddsa.EdDSAPrivateKeyTest
-[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.EdDSAPrivateKeyTest
-[INFO] Running net.i2p.crypto.eddsa.UtilsTest
-[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.UtilsTest
+[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 s - in net.i2p.crypto.eddsa.EdDSAPublicKeyTest
 [INFO] 
 [INFO] Results:
 [INFO] 
@@ -1229,8 +1265,8 @@
 [INFO] ------------------------------------------------------------------------
 [INFO] BUILD SUCCESS
 [INFO] ------------------------------------------------------------------------
-[INFO] Total time:  54.227 s
-[INFO] Finished at: 2025-03-22T00:14:36Z
+[INFO] Total time:  37.172 s
+[INFO] Finished at: 2026-04-24T06:39:46Z
 [INFO] ------------------------------------------------------------------------
    create-stamp debian/debhelper-build-stamp
    dh_prep
@@ -1254,8 +1290,8 @@
 [INFO] ------------------------------------------------------------------------
 [INFO] BUILD SUCCESS
 [INFO] ------------------------------------------------------------------------
-[INFO] Total time:  2.358 s
-[INFO] Finished at: 2025-03-22T00:14:56Z
+[INFO] Total time:  0.438 s
+[INFO] Finished at: 2026-04-24T06:39:47Z
 [INFO] ------------------------------------------------------------------------
 	mh_resolve_dependencies --non-interactive --offline --build -plibeddsa-java --base-directory=/build/reproducible-path/libeddsa-java-0.3.0 --non-explore
 Analysing pom.xml...
@@ -1281,12 +1317,14 @@
 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/376510/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/376510/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/2133167 and its subdirectories
-I: Current time: Fri Mar 21 12:15:11 -12 2025
-I: pbuilder-time-stamp: 1742602511
+I: removing directory /srv/workspace/pbuilder/376510 and its subdirectories
+I: Current time: Fri Apr 24 20:39:52 +14 2026
+I: pbuilder-time-stamp: 1777012792