Diff of the two buildlogs:

--
--- b1/build.log	2025-02-21 05:41:33.204065425 +0000
+++ b2/build.log	2025-02-21 05:42:20.477915118 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Thu Feb 20 17:37:34 -12 2025
-I: pbuilder-time-stamp: 1740116254
+I: Current time: Fri Mar 27 02:04:35 +14 2026
+I: pbuilder-time-stamp: 1774526675
 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 ruby-equalizer_0.0.11-3.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/3866073/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/431577/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 26 12:04 /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/431577/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/431577/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='a3fb730edf284055a907050de6f64153'
-  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='3866073'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=e634a4ba8dd94aa59d96a16d8bc3c335
+  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=431577
   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.43P92WDC/pbuilderrc_aFfJ --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.43P92WDC/b1 --logfile b1/build.log ruby-equalizer_0.0.11-3.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.43P92WDC/pbuilderrc_lM9L --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.43P92WDC/b2 --logfile b2/build.log ruby-equalizer_0.0.11-3.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 ionos11-amd64 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 6.12.9+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/3866073/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/431577/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -246,7 +278,7 @@
 Get: 135 http://deb.debian.org/debian trixie/main amd64 ruby-rspec-expectations all 3.13.0c0e0m0s1-2 [90.2 kB]
 Get: 136 http://deb.debian.org/debian trixie/main amd64 ruby-rspec-mocks all 3.13.0c0e0m0s1-2 [81.3 kB]
 Get: 137 http://deb.debian.org/debian trixie/main amd64 ruby-rspec all 3.13.0c0e0m0s1-2 [5184 B]
-Fetched 48.7 MB in 2s (30.6 MB/s)
+Fetched 48.7 MB in 2s (24.5 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libpython3.13-minimal:amd64.
 (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 ... 19809 files and directories currently installed.)
@@ -702,8 +734,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Fri Feb 21 05:39:54 UTC 2025.
-Universal Time is now:  Fri Feb 21 05:39:54 UTC 2025.
+Local time is now:      Thu Mar 26 12:05:06 UTC 2026.
+Universal Time is now:  Thu Mar 26 12:05:06 UTC 2026.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up ruby-minitest (5.25.4-2) ...
@@ -829,7 +861,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/ruby-equalizer-0.0.11/ && 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  > ../ruby-equalizer_0.0.11-3_source.changes
+I: user script /srv/workspace/pbuilder/431577/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/431577/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/ruby-equalizer-0.0.11/ && 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  > ../ruby-equalizer_0.0.11-3_source.changes
 dpkg-buildpackage: info: source package ruby-equalizer
 dpkg-buildpackage: info: source version 0.0.11-3
 dpkg-buildpackage: info: source distribution unstable
@@ -862,7 +898,7 @@
 │ ruby-equalizer: Installing files and building extensions for ruby3.3         │
 └──────────────────────────────────────────────────────────────────────────────┘
 
-/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20250220-3874642-ooopxh/gemspec
+/usr/bin/ruby3.3 -S gem build --config-file /dev/null --verbose /tmp/d20260327-438167-ksnqe8/gemspec
 WARNING:  expected RubyGems version 3.6.3, was 2.4.5
 WARNING:  description and summary are identical
 WARNING:  See https://guides.rubygems.org/specification-reference/ for help
@@ -870,7 +906,7 @@
   Name: equalizer
   Version: 0.0.11
   File: equalizer-0.0.11.gem
-/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-equalizer/usr/share/rubygems-integration/all /tmp/d20250220-3874642-ooopxh/equalizer-0.0.11.gem
+/usr/bin/ruby3.3 -S gem install --config-file /dev/null --verbose --local --verbose --no-document --ignore-dependencies --install-dir debian/ruby-equalizer/usr/share/rubygems-integration/all /tmp/d20260327-438167-ksnqe8/equalizer-0.0.11.gem
 /build/reproducible-path/ruby-equalizer-0.0.11/debian/ruby-equalizer/usr/share/rubygems-integration/all/gems/equalizer-0.0.11/config/devtools.yml
 /build/reproducible-path/ruby-equalizer-0.0.11/debian/ruby-equalizer/usr/share/rubygems-integration/all/gems/equalizer-0.0.11/config/flay.yml
 /build/reproducible-path/ruby-equalizer-0.0.11/debian/ruby-equalizer/usr/share/rubygems-integration/all/gems/equalizer-0.0.11/config/flog.yml
@@ -910,84 +946,39 @@
 RUBYLIB=. GEM_PATH=/build/reproducible-path/ruby-equalizer-0.0.11/debian/ruby-equalizer/usr/share/rubygems-integration/all:/build/reproducible-path/ruby-equalizer-0.0.11/debian/.debhelper/generated/_source/home/.local/share/gem/ruby/3.3.0:/var/lib/gems/3.3.0:/usr/local/lib/ruby/gems/3.3.0:/usr/lib/ruby/gems/3.3.0:/usr/lib/x86_64-linux-gnu/ruby/gems/3.3.0:/usr/share/rubygems-integration/3.3.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/3.3.0 ruby3.3 -S rake --rakelibdir /gem2deb-nonexistent -f debian/ruby-tests.rake
 /usr/bin/ruby3.3 -I/usr/share/rubygems-integration/all/gems/rspec-support-3.13.1/lib:/usr/share/rubygems-integration/all/gems/rspec-core-3.13.0/lib /usr/share/rubygems-integration/all/gems/rspec-core-3.13.0/exe/rspec --pattern ./spec/\*\*/\*_spec.rb --format documentation
 
-Randomized with seed 54034
+Randomized with seed 63596
 
 Equalizer#included
   includes methods into the descendant
   delegates to the superclass #included method
 
-Equalizer.new
-  with keys
-    is expected to be frozen
-    is expected to be an instance of Equalizer
-    defines #hash and #inspect methods dynamically
-    #inspect
-      returns the expected string
-    #hash
-      returns the expected hash
-    #==
-      when the objects are different type
-        is expected to equal false
-      when the objects are similar
-        is expected to equal true
-      when the objects are from different type
-        is expected to equal false
-    #eql?
-      when the objects are similar
-        is expected to equal true
-      when the objects are different
-        is expected to equal false
-  with no keys
-    is expected to be frozen
-    is expected to be an instance of Equalizer
-    defines #hash and #inspect methods dynamically
-    #eql?
-      when the objects are different
-        is expected to equal false
-      when the objects are similar
-        is expected to equal true
-    #==
-      when the objects are different
-        is expected to equal false
-      when the objects are similar
-        is expected to equal true
-    #hash
-      has the expected arity
-      is expected to eql -1286277641511528922
-    #inspect
-      is expected to eql "#<User>"
-      has the expected arity
-
 Equalizer::Methods#==
-  with the same object
-    is symmetric
-    is expected to equal true
-  with an equivalent object
-    is expected to equal true
+  with a different object after coercion
+    is expected to equal false
     is symmetric
   with a subclass instance having equivalent obervable state
-    is expected to equal true
     is not symmetric
+    is expected to equal true
+  with a different object
+    is expected to equal false
+    is symmetric
   with an equivalent object after coercion
     is expected to equal true
     is not symmetric
   with a superclass instance having equivalent observable state
     is not symmetric
     is expected to equal false
-  with a different object
-    is symmetric
-    is expected to equal false
   with an object of another class
     is expected to equal false
     is symmetric
-  with a different object after coercion
+  with an equivalent object
     is symmetric
-    is expected to equal false
-
-Equalizer::Methods#eql?
+    is expected to equal true
   with the same object
     is expected to equal true
     is symmetric
+
+Equalizer::Methods#eql?
   with an equivalent object of a subclass
     is symmetric
     is expected to equal false
@@ -997,43 +988,88 @@
   with a different object
     is symmetric
     is expected to equal false
+  with the same object
+    is expected to equal true
+    is symmetric
+
+Equalizer.new
+  with no keys
+    is expected to be an instance of Equalizer
+    is expected to be frozen
+    defines #hash and #inspect methods dynamically
+    #hash
+      has the expected arity
+      is expected to eql -1021893625830283403
+    #eql?
+      when the objects are different
+        is expected to equal false
+      when the objects are similar
+        is expected to equal true
+    #==
+      when the objects are similar
+        is expected to equal true
+      when the objects are different
+        is expected to equal false
+    #inspect
+      is expected to eql "#<User>"
+      has the expected arity
+  with keys
+    defines #hash and #inspect methods dynamically
+    is expected to be an instance of Equalizer
+    is expected to be frozen
+    #eql?
+      when the objects are different
+        is expected to equal false
+      when the objects are similar
+        is expected to equal true
+    #==
+      when the objects are from different type
+        is expected to equal false
+      when the objects are similar
+        is expected to equal true
+      when the objects are different type
+        is expected to equal false
+    #hash
+      returns the expected hash
+    #inspect
+      returns the expected string
 
-Top 10 slowest examples (0.05174 seconds, 46.7% of total time):
+Top 10 slowest examples (0.01668 seconds, 42.6% of total time):
   Equalizer#included includes methods into the descendant
-    0.02655 seconds ./spec/unit/equalizer/included_spec.rb:46
+    0.00908 seconds ./spec/unit/equalizer/included_spec.rb:46
   Equalizer#included delegates to the superclass #included method
-    0.0083 seconds ./spec/unit/equalizer/included_spec.rb:27
-  Equalizer.new with keys is expected to be frozen
-    0.00777 seconds ./spec/unit/equalizer/universal_spec.rb:102
-  Equalizer.new with keys #== when the objects are different type is expected to equal false
-    0.00217 seconds ./spec/unit/equalizer/universal_spec.rb:133
+    0.00188 seconds ./spec/unit/equalizer/included_spec.rb:27
+  Equalizer.new with no keys is expected to be frozen
+    0.00182 seconds ./spec/unit/equalizer/universal_spec.rb:23
   Equalizer.new with keys defines #hash and #inspect methods dynamically
-    0.00156 seconds ./spec/unit/equalizer/universal_spec.rb:104
-  Equalizer.new with keys is expected to be an instance of Equalizer
-    0.00154 seconds ./spec/unit/equalizer/universal_spec.rb:100
-  Equalizer.new with no keys #eql? when the objects are different is expected to equal false
-    0.00105 seconds ./spec/unit/equalizer/universal_spec.rb:40
-  Equalizer.new with no keys #== when the objects are similar is expected to equal true
-    0.00103 seconds ./spec/unit/equalizer/universal_spec.rb:48
-  Equalizer.new with keys #== when the objects are from different type is expected to equal false
-    0.00091 seconds ./spec/unit/equalizer/universal_spec.rb:139
-  Equalizer.new with no keys #== when the objects are different is expected to equal false
-    0.00088 seconds ./spec/unit/equalizer/universal_spec.rb:54
+    0.00084 seconds ./spec/unit/equalizer/universal_spec.rb:104
+  Equalizer::Methods#== with a different object after coercion is expected to equal false
+    0.00067 seconds ./spec/unit/equalizer/methods/equality_operator_spec.rb:112
+  Equalizer.new with no keys is expected to be an instance of Equalizer
+    0.00063 seconds ./spec/unit/equalizer/universal_spec.rb:21
+  Equalizer::Methods#== with a different object after coercion is symmetric
+    0.00059 seconds ./spec/unit/equalizer/methods/equality_operator_spec.rb:114
+  Equalizer.new with keys #eql? when the objects are different is expected to equal false
+    0.00041 seconds ./spec/unit/equalizer/universal_spec.rb:119
+  Equalizer.new with keys #inspect returns the expected string
+    0.00039 seconds ./spec/unit/equalizer/universal_spec.rb:151
+  Equalizer.new with no keys #eql? when the objects are similar is expected to equal true
+    0.00037 seconds ./spec/unit/equalizer/universal_spec.rb:34
 
 Top 4 slowest example groups:
   Equalizer#included
-    0.01815 seconds average (0.03631 seconds / 2 examples) ./spec/unit/equalizer/included_spec.rb:5
+    0.0057 seconds average (0.0114 seconds / 2 examples) ./spec/unit/equalizer/included_spec.rb:5
   Equalizer.new
-    0.00204 seconds average (0.04274 seconds / 21 examples) ./spec/unit/equalizer/universal_spec.rb:5
+    0.00071 seconds average (0.01486 seconds / 21 examples) ./spec/unit/equalizer/universal_spec.rb:5
   Equalizer::Methods#==
-    0.00092 seconds average (0.01474 seconds / 16 examples) ./spec/unit/equalizer/methods/equality_operator_spec.rb:5
+    0.00045 seconds average (0.00722 seconds / 16 examples) ./spec/unit/equalizer/methods/equality_operator_spec.rb:5
   Equalizer::Methods#eql?
-    0.00091 seconds average (0.00724 seconds / 8 examples) ./spec/unit/equalizer/methods/eql_predicate_spec.rb:5
+    0.00039 seconds average (0.00309 seconds / 8 examples) ./spec/unit/equalizer/methods/eql_predicate_spec.rb:5
 
-Finished in 0.1109 seconds (files took 0.36713 seconds to load)
+Finished in 0.03921 seconds (files took 0.11432 seconds to load)
 47 examples, 0 failures
 
-Randomized with seed 54034
+Randomized with seed 63596
 
 
 ┌──────────────────────────────────────────────────────────────────────────────┐
@@ -1064,12 +1100,14 @@
 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/431577/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/431577/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/3866073 and its subdirectories
-I: Current time: Thu Feb 20 17:41:32 -12 2025
-I: pbuilder-time-stamp: 1740116492
+I: removing directory /srv/workspace/pbuilder/431577 and its subdirectories
+I: Current time: Fri Mar 27 02:05:19 +14 2026
+I: pbuilder-time-stamp: 1774526719