Diff of the two buildlogs: -- --- b1/build.log 2025-07-31 07:36:13.714161517 +0000 +++ b2/build.log 2025-07-31 07:37:45.222278113 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Wed Jul 30 19:34:35 -12 2025 -I: pbuilder-time-stamp: 1753947275 +I: Current time: Thu Sep 3 03:59:16 +14 2026 +I: pbuilder-time-stamp: 1788357556 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-Do-not-run-tests-that-are-too-heavy-for-buildds.patch I: Not using root during the build. I: Installing the build-deps -I: user script /srv/workspace/pbuilder/3502994/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/1876157/tmp/hooks/D01_modify_environment starting +debug: Running on codethink03-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 2 13:59 /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/1876157/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/1876157/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]="2" [2]="37" [3]="1" [4]="release" [5]="aarch64-unknown-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=arm64 + DEBIAN_FRONTEND=noninteractive DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=12 ' - DISTRIBUTION='trixie' - HOME='/root' - HOST_ARCH='arm64' + DIRSTACK=() + DISTRIBUTION=trixie + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=aarch64 + HOST_ARCH=arm64 IFS=' ' - INVOCATION_ID='ddc7d798d67f4ccfbd2b94abd2b779f9' - 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='3502994' - PS1='# ' - PS2='> ' + INVOCATION_ID=5f4fb6106d624808849e276294f02f95 + 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=1876157 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.kC8GP7Av/pbuilderrc_2CXm --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.kC8GP7Av/b1 --logfile b1/build.log parmap_1.2.5-3.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' - 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.kC8GP7Av/pbuilderrc_quq5 --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.kC8GP7Av/b2 --logfile b2/build.log parmap_1.2.5-3.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' + http_proxy=http://192.168.101.4:3128 I: uname -a - Linux codethink04-arm64 6.1.0-37-cloud-arm64 #1 SMP Debian 6.1.140-1 (2025-05-22) aarch64 GNU/Linux + Linux i-capture-the-hostname 6.1.0-37-cloud-arm64 #1 SMP Debian 6.1.140-1 (2025-05-22) aarch64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 May 12 19:25 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/3502994/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 May 12 2025 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/1876157/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -155,7 +187,7 @@ Get: 40 http://deb.debian.org/debian trixie/main arm64 ocaml arm64 5.3.0-3 [20.7 MB] Get: 41 http://deb.debian.org/debian trixie/main arm64 libdune-ocaml-dev arm64 3.17.2-1+b1 [6456 kB] Get: 42 http://deb.debian.org/debian trixie/main arm64 ocaml-dune arm64 3.17.2-1+b1 [5585 kB] -Fetched 108 MB in 1s (147 MB/s) +Fetched 108 MB in 0s (224 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 ... 19964 files and directories currently installed.) @@ -338,7 +370,11 @@ Building tag database... -> Finished parsing the build-deps I: Building the package -I: Running cd /build/reproducible-path/parmap-1.2.5/ && 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 > ../parmap_1.2.5-3_source.changes +I: user script /srv/workspace/pbuilder/1876157/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for trixie +I: user script /srv/workspace/pbuilder/1876157/tmp/hooks/A99_set_merged_usr finished +hostname: Name or service not known +I: Running cd /build/reproducible-path/parmap-1.2.5/ && 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 > ../parmap_1.2.5-3_source.changes dpkg-buildpackage: info: source package parmap dpkg-buildpackage: info: source version 1.2.5-3 dpkg-buildpackage: info: source distribution unstable @@ -364,60 +400,60 @@ make[1]: Entering directory '/build/reproducible-path/parmap-1.2.5' nData=1000 dh_auto_test dune runtest -j 12 -p parmap -(cd _build/default/tests && ./floatscale.exe) -Test: normal parmap -Test: specialised array parmap -Test: specialised float array parmap -Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000126 seconds -Speedup with 8 cores (average on 1 iterations): 0.004378 (tseq=0.000126, tpar=0.028806) -Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000037 seconds -Speedup with 8 cores (average on 1 iterations): 0.001334 (tseq=0.000037, tpar=0.027872) -Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000038 seconds -Speedup with 8 cores (average on 1 iterations): 0.001370 (tseq=0.000038, tpar=0.027853) (cd _build/default/tests && ./testexceptions.exe) Exceptions are properly catched, no SIGSEVTesting capture of exception: this code should exit normally, without segfault. [Parmap]: mapper on 5 elements, on 5 cores [Parmap]: simplemapper on 5 elements, on 5 cores, chunksize = 1 +[Parmap]: error at index j=0 in (1,1), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 1 + [Parmap]: error at index j=0 in (0,0), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 0 [Parmap]: error at index j=0 in (2,2), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 2 -[Parmap]: error at index j=0 in (1,1), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 1 +[Parmap]: error at index j=0 in (4,4), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 4 [Parmap]: error at index j=0 in (3,3), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 3 -[Parmap]: error at index j=0 in (4,4), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 4 - +(cd _build/default/tests && ./floatscale.exe) +Test: normal parmap +Test: specialised array parmap +Test: specialised float array parmap +Testing scalability with 1 iterations on 8 to 8 cores, step 1 +Sequential execution takes 0.000153 seconds +Speedup with 8 cores (average on 1 iterations): 0.006163 (tseq=0.000153, tpar=0.024836) +Testing scalability with 1 iterations on 8 to 8 cores, step 1 +Sequential execution takes 0.000036 seconds +Speedup with 8 cores (average on 1 iterations): 0.001512 (tseq=0.000036, tpar=0.023816) +Testing scalability with 1 iterations on 8 to 8 cores, step 1 +Sequential execution takes 0.000046 seconds +Speedup with 8 cores (average on 1 iterations): 0.002296 (tseq=0.000046, tpar=0.020044) (cd _build/default/tests && ./simplescalefold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores The fold operation in this example is too simple to scale: this is just a test for the code. -Sequential execution takes 0.000914 seconds -Speedup with 2 cores (average on 2 iterations): 0.309443 (tseq=0.000914, tpar=0.002954) -Speedup with 4 cores (average on 2 iterations): 0.053737 (tseq=0.000914, tpar=0.017011) -Speedup with 6 cores (average on 2 iterations): 0.045716 (tseq=0.000914, tpar=0.019995) -Speedup with 8 cores (average on 2 iterations): 0.034450 (tseq=0.000914, tpar=0.026534) -Speedup with 10 cores (average on 2 iterations): 0.039454 (tseq=0.000914, tpar=0.023168) -Speedup with 12 cores (average on 2 iterations): 0.045012 (tseq=0.000914, tpar=0.020308) -Speedup with 14 cores (average on 2 iterations): 0.041472 (tseq=0.000914, tpar=0.022041) -Speedup with 16 cores (average on 2 iterations): 0.018300 (tseq=0.000914, tpar=0.049951) -Speedup with 18 cores (average on 2 iterations): 0.030454 (tseq=0.000914, tpar=0.030016) -Speedup with 20 cores (average on 2 iterations): 0.032649 (tseq=0.000914, tpar=0.027997) +Sequential execution takes 0.000880 seconds +Speedup with 2 cores (average on 2 iterations): 0.048908 (tseq=0.000880, tpar=0.017993) +Speedup with 4 cores (average on 2 iterations): 0.061610 (tseq=0.000880, tpar=0.014284) +Speedup with 6 cores (average on 2 iterations): 0.056051 (tseq=0.000880, tpar=0.015700) +Speedup with 8 cores (average on 2 iterations): 0.043932 (tseq=0.000880, tpar=0.020031) +Speedup with 10 cores (average on 2 iterations): 0.040055 (tseq=0.000880, tpar=0.021970) +Speedup with 12 cores (average on 2 iterations): 0.040000 (tseq=0.000880, tpar=0.022000) +Speedup with 14 cores (average on 2 iterations): 0.044009 (tseq=0.000880, tpar=0.019996) +Speedup with 16 cores (average on 2 iterations): 0.039990 (tseq=0.000880, tpar=0.022006) +Speedup with 18 cores (average on 2 iterations): 0.033861 (tseq=0.000880, tpar=0.025989) +Speedup with 20 cores (average on 2 iterations): 0.048975 (tseq=0.000880, tpar=0.017968) (cd _build/default/tests && ./simplescalemapfold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores -Sequential execution takes 8.926221 seconds -Speedup with 2 cores (average on 2 iterations): 2.016388 (tseq=8.926221, tpar=4.426838) -Speedup with 4 cores (average on 2 iterations): 3.796629 (tseq=8.926221, tpar=2.351091) -Speedup with 6 cores (average on 2 iterations): 4.853043 (tseq=8.926221, tpar=1.839304) -Speedup with 8 cores (average on 2 iterations): 6.772581 (tseq=8.926221, tpar=1.317994) -Speedup with 10 cores (average on 2 iterations): 7.413811 (tseq=8.926221, tpar=1.203999) -Speedup with 12 cores (average on 2 iterations): 8.342274 (tseq=8.926221, tpar=1.069999) -Speedup with 14 cores (average on 2 iterations): 9.127043 (tseq=8.926221, tpar=0.977997) -Speedup with 16 cores (average on 2 iterations): 9.918232 (tseq=8.926221, tpar=0.899981) -Speedup with 18 cores (average on 2 iterations): 10.626263 (tseq=8.926221, tpar=0.840015) -Speedup with 20 cores (average on 2 iterations): 9.496151 (tseq=8.926221, tpar=0.939983) +Sequential execution takes 6.394369 seconds +Speedup with 2 cores (average on 2 iterations): 1.964973 (tseq=6.394369, tpar=3.254177) +Speedup with 4 cores (average on 2 iterations): 3.276825 (tseq=6.394369, tpar=1.951391) +Speedup with 6 cores (average on 2 iterations): 4.867815 (tseq=6.394369, tpar=1.313601) +Speedup with 8 cores (average on 2 iterations): 6.396029 (tseq=6.394369, tpar=0.999740) +Speedup with 10 cores (average on 2 iterations): 7.009406 (tseq=6.394369, tpar=0.912256) +Speedup with 12 cores (average on 2 iterations): 7.855524 (tseq=6.394369, tpar=0.813997) +Speedup with 14 cores (average on 2 iterations): 8.413743 (tseq=6.394369, tpar=0.759991) +Speedup with 16 cores (average on 2 iterations): 8.675360 (tseq=6.394369, tpar=0.737072) +Speedup with 18 cores (average on 2 iterations): 9.060684 (tseq=6.394369, tpar=0.705727) +Speedup with 20 cores (average on 2 iterations): 9.305142 (tseq=6.394369, tpar=0.687187) make[1]: Leaving directory '/build/reproducible-path/parmap-1.2.5' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune @@ -445,9 +481,9 @@ dpkg-gencontrol: warning: Depends field of package libparmap-ocaml-dev: substitution variable ${shlibs:Depends} used, but is not defined dh_md5sums -O--buildsystem=ocaml_dune dh_builddeb -O--buildsystem=ocaml_dune -dpkg-deb: building package 'libparmap-ocaml-dev' in '../libparmap-ocaml-dev_1.2.5-3_arm64.deb'. dpkg-deb: building package 'libparmap-ocaml' in '../libparmap-ocaml_1.2.5-3_arm64.deb'. dpkg-deb: building package 'libparmap-ocaml-dbgsym' in '../libparmap-ocaml-dbgsym_1.2.5-3_arm64.deb'. +dpkg-deb: building package 'libparmap-ocaml-dev' in '../libparmap-ocaml-dev_1.2.5-3_arm64.deb'. dpkg-genbuildinfo --build=binary -O../parmap_1.2.5-3_arm64.buildinfo dpkg-genchanges --build=binary -O../parmap_1.2.5-3_arm64.changes dpkg-genchanges: info: binary-only upload (no source code included) @@ -455,12 +491,14 @@ 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/1876157/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/1876157/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/3502994 and its subdirectories -I: Current time: Wed Jul 30 19:36:12 -12 2025 -I: pbuilder-time-stamp: 1753947372 +I: removing directory /srv/workspace/pbuilder/1876157 and its subdirectories +I: Current time: Thu Sep 3 04:00:44 +14 2026 +I: pbuilder-time-stamp: 1788357644