Diff of the two buildlogs:

--
--- b1/build.log	2025-03-06 00:01:53.194234687 +0000
+++ b2/build.log	2025-03-06 00:03:14.438554999 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Tue Apr  7 18:23:05 -12 2026
-I: pbuilder-time-stamp: 1775629385
+I: Current time: Thu Mar  6 14:01:55 +14 2025
+I: pbuilder-time-stamp: 1741219315
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -22,51 +22,83 @@
 dpkg-source: info: unpacking fzf_0.60.3-1.debian.tar.xz
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/2122724/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/77574/tmp/hooks/D01_modify_environment starting
+debug: Running on infom01-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  6 00:02 /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/77574/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/77574/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'
+  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=12 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='amd64'
+  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='2ed0982ddb5948c88a5054acd74ea35c'
-  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='2122724'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=2b70391cb2e74ce4b912b6638422cf57
+  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=77574
   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.QC62dGNL/pbuilderrc_Fg0I --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.QC62dGNL/b1 --logfile b1/build.log fzf_0.60.3-1.dsc'
-  SUDO_GID='109'
-  SUDO_UID='104'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
+  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.QC62dGNL/pbuilderrc_bSZF --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.QC62dGNL/b2 --logfile b2/build.log fzf_0.60.3-1.dsc'
+  SUDO_GID=109
+  SUDO_UID=104
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
 I: uname -a
-  Linux infom02-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-cloud-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/2122724/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/77574/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -169,7 +201,7 @@
 Get: 45 http://deb.debian.org/debian unstable/main amd64 golang-github-mattn-go-isatty-dev all 0.0.20-1 [6080 B]
 Get: 46 http://deb.debian.org/debian unstable/main amd64 golang-src all 2:1.24~2 [5136 B]
 Get: 47 http://deb.debian.org/debian unstable/main amd64 golang-go amd64 2:1.24~2 [44.3 kB]
-Fetched 76.2 MB in 4s (19.8 MB/s)
+Fetched 76.2 MB in 1s (101 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 ... 19783 files and directories currently installed.)
@@ -372,7 +404,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/fzf-0.60.3/ && 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  > ../fzf_0.60.3-1_source.changes
+I: user script /srv/workspace/pbuilder/77574/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/77574/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/fzf-0.60.3/ && 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  > ../fzf_0.60.3-1_source.changes
 dpkg-buildpackage: info: source package fzf
 dpkg-buildpackage: info: source version 0.60.3-1
 dpkg-buildpackage: info: source distribution unstable
@@ -403,35 +439,35 @@
    dh_auto_configure -O--builddirectory=_build -O--buildsystem=golang
    dh_auto_build -O--builddirectory=_build -O--buildsystem=golang
 	cd _build && go install -trimpath -v -p 12 github.com/junegunn/fzf github.com/junegunn/fzf/src github.com/junegunn/fzf/src/algo github.com/junegunn/fzf/src/protector github.com/junegunn/fzf/src/tui github.com/junegunn/fzf/src/util
+internal/unsafeheader
 internal/goarch
+internal/godebugs
+internal/byteorder
+internal/profilerecord
 internal/coverage/rtcov
-internal/unsafeheader
 internal/asan
-internal/profilerecord
-internal/byteorder
-internal/godebugs
 internal/msan
-internal/cpu
-internal/goexperiment
 internal/goos
+internal/goexperiment
+internal/cpu
 internal/runtime/atomic
-internal/runtime/math
-internal/abi
-sync/atomic
 internal/runtime/syscall
+sync/atomic
 unicode/utf8
 cmp
-internal/runtime/sys
 math/bits
-internal/chacha8rand
 internal/itoa
-unicode
 crypto/internal/fips140/alias
+unicode
+internal/abi
+internal/chacha8rand
+internal/runtime/math
+internal/runtime/sys
+crypto/internal/fips140/subtle
 encoding
 unicode/utf16
 internal/nettrace
 github.com/rivo/uniseg
-crypto/internal/fips140/subtle
 internal/runtime/exithook
 github.com/junegunn/fzf/src/protector
 internal/bytealg
@@ -441,39 +477,39 @@
 internal/sync
 internal/runtime/maps
 runtime
-iter
 internal/reflectlite
 crypto/subtle
-weak
+iter
 sync
+weak
 slices
 errors
 sort
-internal/singleflight
-internal/testlog
 internal/bisect
+internal/testlog
+internal/singleflight
 unique
+runtime/cgo
+io
 internal/oserror
 path
 vendor/golang.org/x/net/dns/dnsmessage
 strconv
-io
-runtime/cgo
-syscall
 internal/godebug
-bytes
+syscall
 strings
-reflect
+bytes
 net/netip
+reflect
 regexp/syntax
 bufio
 time
 internal/syscall/unix
 internal/syscall/execenv
 regexp
-internal/poll
 context
 io/fs
+internal/poll
 embed
 internal/filepathlite
 github.com/charlievieth/fastwalk/internal/fmtdirent
@@ -482,17 +518,17 @@
 encoding/binary
 encoding/base64
 golang.org/x/sys/unix
-github.com/charlievieth/fastwalk/internal/dirent
-os/signal
-path/filepath
 fmt
+path/filepath
+os/signal
+github.com/charlievieth/fastwalk/internal/dirent
 net
-os/exec
 github.com/charlievieth/fastwalk
+os/exec
 github.com/junegunn/go-shellwords
 encoding/json
-golang.org/x/term
 github.com/mattn/go-isatty
+golang.org/x/term
 github.com/junegunn/fzf/src/util
 github.com/junegunn/fzf/src/algo
 github.com/junegunn/fzf/src/tui
@@ -535,7 +571,7 @@
 === RUN   TestChunkListTail
 --- PASS: TestChunkListTail (0.00s)
 === RUN   TestHistory
---- PASS: TestHistory (0.09s)
+--- PASS: TestHistory (0.08s)
 === RUN   TestStringPtr
 --- PASS: TestStringPtr (0.00s)
 === RUN   TestEmptyMerger
@@ -634,10 +670,10 @@
 --- PASS: TestTransformIndexOutOfBounds (0.00s)
 === CONT  TestNextAnsiEscapeSequence_Fuzz_Modified
 === CONT  TestNextAnsiEscapeSequence_Fuzz_Random
---- PASS: TestNextAnsiEscapeSequence_Fuzz_Modified (0.08s)
---- PASS: TestNextAnsiEscapeSequence_Fuzz_Random (0.39s)
+--- PASS: TestNextAnsiEscapeSequence_Fuzz_Modified (0.05s)
+--- PASS: TestNextAnsiEscapeSequence_Fuzz_Random (0.26s)
 PASS
-ok  	github.com/junegunn/fzf/src	0.562s
+ok  	github.com/junegunn/fzf/src	0.411s
 === RUN   TestFuzzyMatch
 --- PASS: TestFuzzyMatch (0.00s)
 === RUN   TestFuzzyMatchBackward
@@ -659,12 +695,12 @@
 === RUN   TestLongStringWithNormalize
 --- PASS: TestLongStringWithNormalize (0.00s)
 PASS
-ok  	github.com/junegunn/fzf/src/algo	0.010s
+ok  	github.com/junegunn/fzf/src/algo	0.003s
 ?   	github.com/junegunn/fzf/src/protector	[no test files]
 === RUN   TestHexToColor
 --- PASS: TestHexToColor (0.00s)
 PASS
-ok  	github.com/junegunn/fzf/src/tui	0.008s
+ok  	github.com/junegunn/fzf/src/tui	0.002s
 === RUN   TestAtExit
 --- PASS: TestAtExit (0.00s)
 === RUN   TestAtomicBool
@@ -725,7 +761,7 @@
 === RUN   TestCompareVersions
 --- PASS: TestCompareVersions (0.00s)
 PASS
-ok  	github.com/junegunn/fzf/src/util	0.009s
+ok  	github.com/junegunn/fzf/src/util	0.002s
    create-stamp debian/debhelper-build-stamp
    dh_testroot -O--builddirectory=_build -O--buildsystem=golang
    dh_prep -O--builddirectory=_build -O--buildsystem=golang
@@ -771,12 +807,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/77574/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/77574/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/2122724 and its subdirectories
-I: Current time: Tue Apr  7 18:24:52 -12 2026
-I: pbuilder-time-stamp: 1775629492
+I: removing directory /srv/workspace/pbuilder/77574 and its subdirectories
+I: Current time: Thu Mar  6 14:03:13 +14 2025
+I: pbuilder-time-stamp: 1741219393