Diff of the two buildlogs:

--
--- b1/build.log	2025-03-07 01:25:08.760940465 +0000
+++ b2/build.log	2025-03-07 01:27:07.191581536 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Wed Apr  8 19:47:43 -12 2026
-I: pbuilder-time-stamp: 1775720863
+I: Current time: Fri Mar  7 15:25:12 +14 2025
+I: pbuilder-time-stamp: 1741310712
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/trixie-reproducible-base.tgz]
 I: copying local configuration
@@ -24,52 +24,84 @@
 dpkg-source: info: applying 0001-Tweak-makefile.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2905993/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/1693366/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 Mar  7 01:25 /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/1693366/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/1693366/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='3a1cb4e1375741b19b5934ba7d462a76'
-  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='2905993'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=33ed6a51b461440485cedecf7ed05d2f
+  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=1693366
   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.XcLJnRbl/pbuilderrc_uzr4 --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.XcLJnRbl/b1 --logfile b1/build.log asmc-linux_0.0~git20250222.986c68a+ds-2.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://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.XcLJnRbl/pbuilderrc_85Ct --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.XcLJnRbl/b2 --logfile b2/build.log asmc-linux_0.0~git20250222.986c68a+ds-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 ionos5-amd64 6.12.12+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.12-1~bpo12+1 (2025-02-23) 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/2905993/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/1693366/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -135,7 +167,7 @@
 Get: 28 http://deb.debian.org/debian trixie/main amd64 intltool-debian all 0.35.0+20060710.6 [22.9 kB]
 Get: 29 http://deb.debian.org/debian trixie/main amd64 po-debconf all 1.0.21+nmu1 [248 kB]
 Get: 30 http://deb.debian.org/debian trixie/main amd64 debhelper all 13.24.1 [920 kB]
-Fetched 20.6 MB in 2s (10.1 MB/s)
+Fetched 20.6 MB in 1s (17.7 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package sensible-utils.
 (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 ... 19800 files and directories currently installed.)
@@ -270,7 +302,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds/ && 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  > ../asmc-linux_0.0~git20250222.986c68a+ds-2_source.changes
+I: user script /srv/workspace/pbuilder/1693366/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for trixie
+I: user script /srv/workspace/pbuilder/1693366/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds/ && 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  > ../asmc-linux_0.0~git20250222.986c68a+ds-2_source.changes
 dpkg-buildpackage: info: source package asmc-linux
 dpkg-buildpackage: info: source version 0.0~git20250222.986c68a+ds-2
 dpkg-buildpackage: info: source distribution unstable
@@ -280,7 +316,7 @@
  debian/rules clean
 dh clean
    dh_auto_clean
-	make -j42 distclean
+	make -j20 distclean
 make[1]: Entering directory '/build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds'
 rm -f src/asmc.o src/asmerr.o src/assemble.o src/assert.o src/assume.o src/backptch.o src/bin.o src/branch.o src/class.o src/cmdline.o src/codegen.o src/coff.o src/com.o src/condasm.o src/context.o src/cpumodel.o src/data.o src/dbgcv.o src/directiv.o src/elf.o src/end.o src/enum.o src/equate.o src/expans.o src/expreval.o src/extern.o src/fastpass.o src/fixup.o src/for.o src/fpfixup.o src/hll.o src/indirection.o src/input.o src/invoke.o src/label.o src/ldr.o src/linnum.o src/listing.o src/logo.o src/loop.o src/lqueue.o src/ltype.o src/macro.o src/mangle.o src/mem2mem.o src/memalloc.o src/namespace.o src/new.o src/omf.o src/omffixup.o src/omfint.o src/operator.o src/option.o src/parser.o src/posndir.o src/pragma.o src/preproc.o src/proc.o src/qfloat.o src/reswords.o src/return.o src/safeseh.o src/segment.o src/simsegm.o src/string.o src/switch.o src/symbols.o src/tokenize.o src/typeid.o src/types.o src/undef.o
 rm -f asmc
@@ -292,7 +328,7 @@
    dh_autoreconf
    dh_auto_configure
    dh_auto_build
-	make -j42 "INSTALL=install --strip-program=true"
+	make -j20 "INSTALL=install --strip-program=true"
 make[1]: Entering directory '/build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds'
 cc -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection  -c -o src/asmc.o src/asmc.s
 cc -Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/build/reproducible-path/asmc-linux-0.0~git20250222.986c68a+ds=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -fcf-protection  -c -o src/asmerr.o src/asmerr.s
@@ -399,12 +435,14 @@
 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/1693366/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/1693366/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/2905993 and its subdirectories
-I: Current time: Wed Apr  8 19:48:07 -12 2026
-I: pbuilder-time-stamp: 1775720887
+I: removing directory /srv/workspace/pbuilder/1693366 and its subdirectories
+I: Current time: Fri Mar  7 15:27:06 +14 2025
+I: pbuilder-time-stamp: 1741310826