Diff of the two buildlogs: -- --- b1/build.log 2025-09-11 07:25:01.978960185 +0000 +++ b2/build.log 2025-09-11 07:26:28.443090489 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Wed Oct 14 01:46:44 -12 2026 -I: pbuilder-time-stamp: 1791985604 +I: Current time: Thu Sep 11 21:25:04 +14 2025 +I: pbuilder-time-stamp: 1757575504 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/forky-reproducible-base.tgz] I: copying local configuration @@ -24,53 +24,85 @@ dpkg-source: info: applying 01-Revert-using-lossyconn-as-sophisticated-link-test.patch I: Not using root during the build. I: Installing the build-deps -I: user script /srv/workspace/pbuilder/3808687/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/3525932/tmp/hooks/D01_modify_environment starting +debug: Running on codethink04-arm64. +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 Sep 11 07:25 /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/3525932/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/3525932/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='arm64' - 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]="3" [2]="3" [3]="1" [4]="release" [5]="aarch64-unknown-linux-gnu") + BASH_VERSION='5.3.3(1)-release' + BUILDDIR=/build/reproducible-path + BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other' + BUILDUSERNAME=pbuilder2 + BUILD_ARCH=arm64 + DEBIAN_FRONTEND=noninteractive DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 ' - DISTRIBUTION='forky' - HOME='/root' - HOST_ARCH='arm64' + DIRSTACK=() + DISTRIBUTION=forky + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=aarch64 + HOST_ARCH=arm64 IFS=' ' - INVOCATION_ID='a832cda6fdc14becb6d30e3734ea7729' - 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='3808687' - PS1='# ' - PS2='> ' + INVOCATION_ID=8fcb34bb11794b8082e8cb573d4f2668 + LANG=C + LANGUAGE=nl_BE:nl + LC_ALL=C + MACHTYPE=aarch64-unknown-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=3525932 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.NXlNri97/pbuilderrc_EqqF --distribution forky --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/forky-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.NXlNri97/b1 --logfile b1/build.log golang-github-xtaci-kcp_5.6.1-2.dsc' - SUDO_GID='109' - SUDO_HOME='/var/lib/jenkins' - SUDO_UID='104' - SUDO_USER='jenkins' - TERM='unknown' - TZ='/usr/share/zoneinfo/Etc/GMT+12' - USER='root' - _='/usr/bin/systemd-run' - http_proxy='http://192.168.101.4:3128' + 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.NXlNri97/pbuilderrc_b3iN --distribution forky --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/forky-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.NXlNri97/b2 --logfile b2/build.log golang-github-xtaci-kcp_5.6.1-2.dsc' + SUDO_GID=109 + SUDO_HOME=/var/lib/jenkins + SUDO_UID=104 + SUDO_USER=jenkins + TERM=unknown + TZ=/usr/share/zoneinfo/Etc/GMT-14 + UID=0 + USER=root + _='I: set' + http_proxy=http://192.168.101.4:3128 I: uname -a - Linux codethink03-arm64 6.12.43+deb13-cloud-arm64 #1 SMP Debian 6.12.43-1 (2025-08-27) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.12.43+deb13-cloud-arm64 #1 SMP Debian 6.12.43-1 (2025-08-27) aarch64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 Aug 10 2025 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/3808687/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Aug 10 12:30 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/3525932/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -177,7 +209,7 @@ Get: 51 http://deb.debian.org/debian forky/main arm64 golang-golang-x-crypto-dev all 1:0.25.0-1 [1682 kB] Get: 52 http://deb.debian.org/debian forky/main arm64 golang-github-tjfoc-gmsm-dev all 1.3.0+ds-4 [56.1 kB] Get: 53 http://deb.debian.org/debian forky/main arm64 golang-golang-x-net-dev all 1:0.27.0-2 [904 kB] -Fetched 67.2 MB in 0s (247 MB/s) +Fetched 67.2 MB in 0s (190 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 ... 21045 files and directories currently installed.) @@ -404,7 +436,11 @@ Building tag database... -> Finished parsing the build-deps I: Building the package -I: Running cd /build/reproducible-path/golang-github-xtaci-kcp-5.6.1/ && 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 > ../golang-github-xtaci-kcp_5.6.1-2_source.changes +I: user script /srv/workspace/pbuilder/3525932/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for forky +I: user script /srv/workspace/pbuilder/3525932/tmp/hooks/A99_set_merged_usr finished +hostname: Name or service not known +I: Running cd /build/reproducible-path/golang-github-xtaci-kcp-5.6.1/ && 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 > ../golang-github-xtaci-kcp_5.6.1-2_source.changes dpkg-buildpackage: info: source package golang-github-xtaci-kcp dpkg-buildpackage: info: source version 5.6.1-2 dpkg-buildpackage: info: source distribution unstable @@ -423,159 +459,159 @@ dh_auto_configure -O--buildsystem=golang dh_auto_build -O--buildsystem=golang cd obj-aarch64-linux-gnu && go install -trimpath -v -p 12 github.com/xtaci/kcp-go -internal/profilerecord +internal/unsafeheader internal/goarch -internal/msan -internal/goos +internal/godebugs internal/coverage/rtcov -internal/asan +internal/goos internal/byteorder +internal/asan internal/goexperiment -internal/runtime/math -math/bits -internal/unsafeheader +internal/profilerecord +internal/msan +internal/runtime/syscall internal/cpu -internal/godebugs +math/bits cmp -internal/abi -internal/runtime/syscall sync/atomic unicode/utf8 -unicode crypto/internal/fips140/alias -internal/itoa -internal/chacha8rand +unicode crypto/internal/fips140deps/byteorder -crypto/internal/boring/sig +internal/abi +internal/chacha8rand +internal/runtime/math +internal/itoa crypto/internal/fips140/subtle +crypto/internal/boring/sig encoding github.com/templexxx/cpu unicode/utf16 -math vendor/golang.org/x/crypto/cryptobyte/asn1 +math internal/nettrace -internal/runtime/atomic +golang.org/x/crypto/internal/alias internal/bytealg +golang.org/x/crypto/salsa20/salsa +internal/runtime/atomic internal/runtime/sys crypto/internal/fips140deps/cpu -golang.org/x/crypto/internal/alias -golang.org/x/crypto/salsa20/salsa golang.org/x/net/internal/iana golang.org/x/crypto/salsa20 -internal/runtime/exithook internal/stringslite +internal/runtime/exithook internal/race -internal/runtime/maps internal/sync +internal/runtime/maps runtime internal/reflectlite iter -sync -weak -github.com/templexxx/xorsimd crypto/subtle -maps +github.com/templexxx/xorsimd +weak +sync slices -errors +maps sort +errors +internal/bisect +internal/singleflight +unique +internal/testlog +runtime/cgo internal/oserror -path -math/rand/v2 vendor/golang.org/x/net/dns/dnsmessage +io +path golang.org/x/crypto/cast5 +math/rand/v2 strconv -io -internal/bisect -internal/singleflight -internal/testlog -unique syscall -runtime/cgo +container/heap +internal/godebug +golang.org/x/crypto/blowfish +net/netip +crypto/internal/randutil hash bytes strings -crypto/internal/randutil -internal/godebug -hash/crc32 -container/heap -crypto/internal/impl -math/rand -crypto -crypto/internal/fips140deps/godebug reflect -golang.org/x/crypto/xtea -golang.org/x/crypto/blowfish golang.org/x/crypto/twofish -net/netip +crypto +golang.org/x/crypto/xtea +hash/crc32 +crypto/internal/fips140deps/godebug +math/rand +crypto/internal/impl crypto/internal/fips140 crypto/internal/fips140/sha256 crypto/internal/fips140/sha3 crypto/internal/fips140/sha512 -crypto/sha3 crypto/internal/fips140/hmac -crypto/internal/fips140hash +crypto/sha3 +internal/syscall/execenv +time +internal/syscall/unix crypto/internal/fips140/check -crypto/internal/fips140/nistec/fiat -crypto/internal/fips140/bigmod crypto/internal/fips140/edwards25519/field -internal/syscall/unix -internal/syscall/execenv +crypto/internal/fips140/bigmod crypto/internal/fips140/aes -time +crypto/internal/fips140hash +crypto/internal/fips140/nistec/fiat crypto/internal/fips140/edwards25519 +context io/fs internal/poll -context -crypto/internal/fips140/nistec internal/filepathlite +crypto/internal/fips140/nistec os -encoding/binary internal/fmtsort +encoding/binary encoding/base64 golang.org/x/sys/unix +encoding/pem crypto/internal/sysrand -fmt io/ioutil +fmt path/filepath net -encoding/pem crypto/internal/entropy crypto/internal/fips140/drbg crypto/internal/fips140only -crypto/internal/fips140/ecdh -crypto/internal/fips140/ecdsa crypto/internal/fips140/ed25519 -crypto/internal/fips140/rsa crypto/internal/fips140/aes/gcm +crypto/internal/fips140/rsa +crypto/internal/fips140/ecdh +crypto/internal/fips140/ecdsa crypto/md5 crypto/cipher -math/big +crypto/internal/boring +crypto/des +golang.org/x/crypto/tea flag -github.com/pkg/errors encoding/hex +github.com/pkg/errors net/url golang.org/x/net/bpf -crypto/des -golang.org/x/crypto/tea -crypto/internal/boring +math/big crypto/aes -crypto/sha512 crypto/sha1 crypto/ecdh +crypto/sha512 crypto/sha256 crypto/hmac golang.org/x/crypto/pbkdf2 github.com/klauspost/cpuid/v2 github.com/klauspost/reedsolomon -crypto/rand crypto/dsa -crypto/elliptic crypto/internal/boring/bbig +crypto/elliptic encoding/asn1 -crypto/rsa +crypto/rand crypto/ed25519 -vendor/golang.org/x/crypto/cryptobyte +crypto/rsa crypto/x509/pkix +vendor/golang.org/x/crypto/cryptobyte crypto/ecdsa crypto/x509 golang.org/x/net/internal/socket @@ -587,7 +623,7 @@ make[1]: Entering directory '/build/reproducible-path/golang-github-xtaci-kcp-5.6.1' ulimit -n 2048 && dh_auto_test cd obj-aarch64-linux-gnu && go test -vet=off -v -p 12 github.com/xtaci/kcp-go -2026/10/14 13:47:29 beginning tests, encryption:salsa20, fec:10/3 +2025/09/11 07:25:54 beginning tests, encryption:salsa20, fec:10/3 === RUN TestAutoTune --- PASS: TestAutoTune (0.00s) === RUN TestSM4 @@ -613,29 +649,29 @@ === RUN TestSalsa20 --- PASS: TestSalsa20 (0.00s) === RUN TestNetwork -default mode result (3287ms): -avgrtt=880 maxrtt=1267 -normal mode result (2104ms): -avgrtt=135 maxrtt=352 -fast mode result (2108ms): -avgrtt=137 maxrtt=311 ---- PASS: TestNetwork (7.50s) +default mode result (3186ms): +avgrtt=991 maxrtt=1219 +normal mode result (2112ms): +avgrtt=132 maxrtt=281 +fast mode result (2096ms): +avgrtt=168 maxrtt=429 +--- PASS: TestNetwork (7.39s) === RUN TestTimeout --- PASS: TestTimeout (2.00s) === RUN TestSendRecv ---- PASS: TestSendRecv (1.03s) +--- PASS: TestSendRecv (1.09s) === RUN TestSendVector ---- PASS: TestSendVector (0.01s) +--- PASS: TestSendVector (0.02s) === RUN TestTinyBufferReceiver ---- PASS: TestTinyBufferReceiver (0.21s) +--- PASS: TestTinyBufferReceiver (0.22s) === RUN TestClose --- PASS: TestClose (2.00s) === RUN TestParallel1024CLIENT_64BMSG_64CNT ---- PASS: TestParallel1024CLIENT_64BMSG_64CNT (13.76s) +--- PASS: TestParallel1024CLIENT_64BMSG_64CNT (13.21s) === RUN TestSNMP - sess_test.go:535: &{8394296 8394296 1775 1030 1028 1028 0 0 1038 230246 240818 274631 279918 18791524 24590430 10163 0 17 10146 3768 4330 1414 28222 166} + sess_test.go:535: &{8394296 8394296 1984 1030 1028 1028 0 0 2586 236499 263820 282466 305887 19227165 27166373 28398 3 11 28384 11129 5157 3239 25723 484} sess_test.go:536: [BytesSent BytesReceived MaxConn ActiveOpens PassiveOpens CurrEstab InErrs InCsumErrors KCPInErrors InPkts OutPkts InSegs OutSegs InBytes OutBytes RetransSegs FastRetransSegs EarlyRetransSegs LostSegs RepeatSegs FECParityShards FECErrs FECRecovered FECShortShards] - sess_test.go:537: [8394296 8394296 1775 1030 1028 1028 0 0 1038 230246 240818 274631 279918 18791524 24590430 10163 0 17 10146 3768 28222 1414 4330 166] + sess_test.go:537: [8394296 8394296 1984 1030 1028 1028 0 0 2586 236499 263820 282466 305887 19227165 27166373 28398 3 11 28384 11129 25723 3239 5157 484] sess_test.go:539: [0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] --- PASS: TestSNMP (0.00s) === RUN TestListenerClose @@ -649,7 +685,7 @@ === RUN TestUDPSessionNonOwnedPacketConn --- PASS: TestUDPSessionNonOwnedPacketConn (0.00s) PASS -ok github.com/xtaci/kcp-go 28.541s +ok github.com/xtaci/kcp-go 27.959s make[1]: Leaving directory '/build/reproducible-path/golang-github-xtaci-kcp-5.6.1' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=golang @@ -678,12 +714,14 @@ 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/3525932/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/3525932/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/3808687 and its subdirectories -I: Current time: Wed Oct 14 01:48:01 -12 2026 -I: pbuilder-time-stamp: 1791985681 +I: removing directory /srv/workspace/pbuilder/3525932 and its subdirectories +I: Current time: Thu Sep 11 21:26:27 +14 2025 +I: pbuilder-time-stamp: 1757575587