Diff of the two buildlogs: -- --- b1/build.log 2025-03-07 07:49:00.229090933 +0000 +++ b2/build.log 2025-03-07 07:54:02.651448775 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Thu Apr 9 02:08:18 -12 2026 -I: pbuilder-time-stamp: 1775743698 +I: Current time: Fri Mar 7 21:49:07 +14 2025 +I: pbuilder-time-stamp: 1741333747 I: Building the build Environment I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz] I: copying local configuration @@ -25,54 +25,86 @@ 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/47406/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/16411/tmp/hooks/D01_modify_environment starting +debug: Running on ionos2-i386. +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 07:49 /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/16411/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/16411/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='i386' - DEBIAN_FRONTEND='noninteractive' - DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=22 ' - DISTRIBUTION='unstable' - HOME='/root' - HOST_ARCH='i386' + 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]="i686-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=i386 + DEBIAN_FRONTEND=noninteractive + DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=10 ' + DIRSTACK=() + DISTRIBUTION=unstable + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=i686 + HOST_ARCH=i386 IFS=' ' - INVOCATION_ID='bfdf603df79045d5ac73e07c8a34d206' - LANG='C' - LANGUAGE='en_US:en' - LC_ALL='C' - LD_LIBRARY_PATH='/usr/lib/libeatmydata' - LD_PRELOAD='libeatmydata.so' - 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='47406' - PS1='# ' - PS2='> ' + INVOCATION_ID=11dda8ed672843019327855b86935858 + LANG=C + LANGUAGE=de_CH:de + LC_ALL=C + LD_LIBRARY_PATH=/usr/lib/libeatmydata + LD_PRELOAD=libeatmydata.so + MACHTYPE=i686-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=16411 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.aS3yAKXA/pbuilderrc_7loY --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.aS3yAKXA/b1 --logfile b1/build.log parmap_1.2.5-3.dsc' - SUDO_GID='112' - SUDO_UID='107' - 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.aS3yAKXA/pbuilderrc_vnEs --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.aS3yAKXA/b2 --logfile b2/build.log parmap_1.2.5-3.dsc' + SUDO_GID=112 + SUDO_UID=107 + 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 ionos16-i386 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 6.1.0-31-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 Mar 4 2025 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/47406/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Mar 4 11:20 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/16411/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -184,7 +216,7 @@ Get: 41 http://deb.debian.org/debian unstable/main i386 ocaml i386 5.3.0-2 [1484 kB] Get: 42 http://deb.debian.org/debian unstable/main i386 libdune-ocaml-dev i386 3.17.2-1 [5673 kB] Get: 43 http://deb.debian.org/debian unstable/main i386 ocaml-dune i386 3.17.2-1 [1030 kB] -Fetched 78.3 MB in 2s (37.2 MB/s) +Fetched 78.3 MB in 1s (63.7 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 ... 19769 files and directories currently installed.) @@ -371,7 +403,11 @@ 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/16411/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for unstable +I: user script /srv/workspace/pbuilder/16411/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 @@ -392,11 +428,11 @@ dh_ocamlinit -O--buildsystem=ocaml_dune dh_auto_configure -O--buildsystem=ocaml_dune dh_auto_build -O--buildsystem=ocaml_dune - dune build -j 22 -p parmap + dune build -j 10 -p parmap debian/rules override_dh_auto_test make[1]: Entering directory '/build/reproducible-path/parmap-1.2.5' nData=1000 dh_auto_test - dune runtest -j 22 -p parmap + dune runtest -j 10 -p parmap (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 @@ -405,39 +441,39 @@ [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 (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 (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 (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 (4,4), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 4 (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 0.001390 seconds -Speedup with 2 cores (average on 2 iterations): 0.391656 (tseq=0.001390, tpar=0.003549) -Speedup with 4 cores (average on 2 iterations): 0.404300 (tseq=0.001390, tpar=0.003438) -Speedup with 6 cores (average on 2 iterations): 0.370948 (tseq=0.001390, tpar=0.003747) -Speedup with 8 cores (average on 2 iterations): 0.333734 (tseq=0.001390, tpar=0.004165) -Speedup with 10 cores (average on 2 iterations): 0.305292 (tseq=0.001390, tpar=0.004553) -Speedup with 12 cores (average on 2 iterations): 0.284689 (tseq=0.001390, tpar=0.004882) -Speedup with 14 cores (average on 2 iterations): 0.258187 (tseq=0.001390, tpar=0.005384) -Speedup with 16 cores (average on 2 iterations): 0.243902 (tseq=0.001390, tpar=0.005699) -Speedup with 18 cores (average on 2 iterations): 0.226566 (tseq=0.001390, tpar=0.006135) -Speedup with 20 cores (average on 2 iterations): 0.213139 (tseq=0.001390, tpar=0.006521) +Sequential execution takes 0.002581 seconds +Speedup with 2 cores (average on 2 iterations): 0.349475 (tseq=0.002581, tpar=0.007385) +Speedup with 4 cores (average on 2 iterations): 0.375542 (tseq=0.002581, tpar=0.006872) +Speedup with 6 cores (average on 2 iterations): 0.334896 (tseq=0.002581, tpar=0.007707) +Speedup with 8 cores (average on 2 iterations): 0.298872 (tseq=0.002581, tpar=0.008635) +Speedup with 10 cores (average on 2 iterations): 0.257545 (tseq=0.002581, tpar=0.010021) +Speedup with 12 cores (average on 2 iterations): 0.238386 (tseq=0.002581, tpar=0.010826) +Speedup with 14 cores (average on 2 iterations): 0.212059 (tseq=0.002581, tpar=0.012171) +Speedup with 16 cores (average on 2 iterations): 0.198991 (tseq=0.002581, tpar=0.012970) +Speedup with 18 cores (average on 2 iterations): 0.181638 (tseq=0.002581, tpar=0.014209) +Speedup with 20 cores (average on 2 iterations): 0.173546 (tseq=0.002581, tpar=0.014871) (cd _build/default/tests && ./simplescalemapfold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores -Sequential execution takes 30.620717 seconds -Speedup with 2 cores (average on 2 iterations): 1.196661 (tseq=30.620717, tpar=25.588457) -Speedup with 4 cores (average on 2 iterations): 2.392037 (tseq=30.620717, tpar=12.801106) -Speedup with 6 cores (average on 2 iterations): 3.552604 (tseq=30.620717, tpar=8.619231) -Speedup with 8 cores (average on 2 iterations): 4.755590 (tseq=30.620717, tpar=6.438889) -Speedup with 10 cores (average on 2 iterations): 5.930942 (tseq=30.620717, tpar=5.162876) -Speedup with 12 cores (average on 2 iterations): 7.030795 (tseq=30.620717, tpar=4.355228) -Speedup with 14 cores (average on 2 iterations): 8.190892 (tseq=30.620717, tpar=3.738386) -Speedup with 16 cores (average on 2 iterations): 9.337546 (tseq=30.620717, tpar=3.279311) -Speedup with 18 cores (average on 2 iterations): 10.316433 (tseq=30.620717, tpar=2.968150) -Speedup with 20 cores (average on 2 iterations): 11.847814 (tseq=30.620717, tpar=2.584503) +Sequential execution takes 46.220542 seconds +Speedup with 2 cores (average on 2 iterations): 1.636119 (tseq=46.220542, tpar=28.250111) +Speedup with 4 cores (average on 2 iterations): 3.330965 (tseq=46.220542, tpar=13.876022) +Speedup with 6 cores (average on 2 iterations): 4.858832 (tseq=46.220542, tpar=9.512686) +Speedup with 8 cores (average on 2 iterations): 6.210286 (tseq=46.220542, tpar=7.442578) +Speedup with 10 cores (average on 2 iterations): 7.302123 (tseq=46.220542, tpar=6.329741) +Speedup with 12 cores (average on 2 iterations): 8.760536 (tseq=46.220542, tpar=5.275995) +Speedup with 14 cores (average on 2 iterations): 8.772116 (tseq=46.220542, tpar=5.269030) +Speedup with 16 cores (average on 2 iterations): 8.488506 (tseq=46.220542, tpar=5.445074) +Speedup with 18 cores (average on 2 iterations): 8.675652 (tseq=46.220542, tpar=5.327616) +Speedup with 20 cores (average on 2 iterations): 8.499052 (tseq=46.220542, tpar=5.438317) make[1]: Leaving directory '/build/reproducible-path/parmap-1.2.5' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune @@ -475,12 +511,14 @@ 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/16411/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/16411/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/47406 and its subdirectories -I: Current time: Thu Apr 9 02:11:57 -12 2026 -I: pbuilder-time-stamp: 1775743917 +I: removing directory /srv/workspace/pbuilder/16411 and its subdirectories +I: Current time: Fri Mar 7 21:54:01 +14 2025 +I: pbuilder-time-stamp: 1741334041