Diff of the two buildlogs: -- --- b1/build.log 2025-03-02 20:01:15.502742744 +0000 +++ b2/build.log 2025-03-02 20:05:14.735919465 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Sat Apr 4 14:23:20 -12 2026 -I: pbuilder-time-stamp: 1775355800 +I: Current time: Mon Mar 3 10:01:18 +14 2025 +I: pbuilder-time-stamp: 1740945678 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/1677474/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/820509/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 2 20:01 /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/820509/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/820509/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='3bfb065c8630422f88de652f29f8101b' - 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='1677474' - PS1='# ' - PS2='> ' + INVOCATION_ID=97d65b9eba474c77ad63f7f48d067e7c + 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=820509 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.xHWK2vzc/pbuilderrc_9PD3 --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.xHWK2vzc/b1 --logfile b1/build.log parmap_1.2.5-3.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.xHWK2vzc/pbuilderrc_7SeY --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.xHWK2vzc/b2 --logfile b2/build.log parmap_1.2.5-3.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 6.12.9+bpo-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.9-1~bpo12+1 (2025-01-19) 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/1677474/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/820509/tmp/hooks/D02_print_environment finished -> Attempting to satisfy build-dependencies -> Creating pbuilder-satisfydepends-dummy package Package: pbuilder-satisfydepends-dummy @@ -156,7 +188,7 @@ Get: 41 http://deb.debian.org/debian trixie/main amd64 ocaml amd64 5.3.0-2 [18.0 MB] Get: 42 http://deb.debian.org/debian trixie/main amd64 libdune-ocaml-dev amd64 3.17.2-1 [6439 kB] Get: 43 http://deb.debian.org/debian trixie/main amd64 ocaml-dune amd64 3.17.2-1 [4834 kB] -Fetched 115 MB in 4s (31.8 MB/s) +Fetched 115 MB in 17s (6843 kB/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 ... 19802 files and directories currently installed.) @@ -343,7 +375,11 @@ 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/820509/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for trixie +I: user script /srv/workspace/pbuilder/820509/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 @@ -364,11 +400,11 @@ dh_ocamlinit -O--buildsystem=ocaml_dune dh_auto_configure -O--buildsystem=ocaml_dune dh_auto_build -O--buildsystem=ocaml_dune - dune build -j 42 -p parmap + dune build -j 20 -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 42 -p parmap + dune runtest -j 20 -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 @@ -377,52 +413,52 @@ [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 (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 (2,2), chunksize=1 of a total of 1 got exception Failure("should not crash") on core 2 + (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 0.000036 seconds -Speedup with 8 cores (average on 1 iterations): 0.010257 (tseq=0.000036, tpar=0.003510) +Sequential execution takes 0.000158 seconds +Speedup with 8 cores (average on 1 iterations): 0.004749 (tseq=0.000158, tpar=0.033284) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000063 seconds -Speedup with 8 cores (average on 1 iterations): 0.020134 (tseq=0.000063, tpar=0.003126) +Sequential execution takes 0.000086 seconds +Speedup with 8 cores (average on 1 iterations): 0.002156 (tseq=0.000086, tpar=0.039927) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000031 seconds -Speedup with 8 cores (average on 1 iterations): 0.010464 (tseq=0.000031, tpar=0.002962) +Sequential execution takes 0.000000 seconds +Speedup with 8 cores (average on 1 iterations): 0.000000 (tseq=0.000000, tpar=0.043417) (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 0.000785 seconds -Speedup with 2 cores (average on 2 iterations): 0.287022 (tseq=0.000785, tpar=0.002735) -Speedup with 4 cores (average on 2 iterations): 0.276792 (tseq=0.000785, tpar=0.002836) -Speedup with 6 cores (average on 2 iterations): 0.239796 (tseq=0.000785, tpar=0.003274) -Speedup with 8 cores (average on 2 iterations): 0.208920 (tseq=0.000785, tpar=0.003758) -Speedup with 10 cores (average on 2 iterations): 0.183204 (tseq=0.000785, tpar=0.004285) -Speedup with 12 cores (average on 2 iterations): 0.161362 (tseq=0.000785, tpar=0.004866) -Speedup with 14 cores (average on 2 iterations): 0.143714 (tseq=0.000785, tpar=0.005463) -Speedup with 16 cores (average on 2 iterations): 0.134334 (tseq=0.000785, tpar=0.005844) -Speedup with 18 cores (average on 2 iterations): 0.119854 (tseq=0.000785, tpar=0.006551) -Speedup with 20 cores (average on 2 iterations): 0.113095 (tseq=0.000785, tpar=0.006942) +Sequential execution takes 0.001480 seconds +Speedup with 2 cores (average on 2 iterations): 0.032900 (tseq=0.001480, tpar=0.044987) +Speedup with 4 cores (average on 2 iterations): 0.037416 (tseq=0.001480, tpar=0.039558) +Speedup with 6 cores (average on 2 iterations): 0.034825 (tseq=0.001480, tpar=0.042501) +Speedup with 8 cores (average on 2 iterations): 0.016444 (tseq=0.001480, tpar=0.090008) +Speedup with 10 cores (average on 2 iterations): 0.027346 (tseq=0.001480, tpar=0.054125) +Speedup with 12 cores (average on 2 iterations): 0.027182 (tseq=0.001480, tpar=0.054451) +Speedup with 14 cores (average on 2 iterations): 0.032545 (tseq=0.001480, tpar=0.045478) +Speedup with 16 cores (average on 2 iterations): 0.028030 (tseq=0.001480, tpar=0.052805) +Speedup with 18 cores (average on 2 iterations): 0.023449 (tseq=0.001480, tpar=0.063119) +Speedup with 20 cores (average on 2 iterations): 0.030859 (tseq=0.001480, tpar=0.047963) (cd _build/default/tests && ./simplescalemapfold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores -Sequential execution takes 2.568199 seconds -Speedup with 2 cores (average on 2 iterations): 0.922881 (tseq=2.568199, tpar=2.782805) -Speedup with 4 cores (average on 2 iterations): 1.843179 (tseq=2.568199, tpar=1.393353) -Speedup with 6 cores (average on 2 iterations): 2.732531 (tseq=2.568199, tpar=0.939861) -Speedup with 8 cores (average on 2 iterations): 3.668162 (tseq=2.568199, tpar=0.700132) -Speedup with 10 cores (average on 2 iterations): 4.582625 (tseq=2.568199, tpar=0.560421) -Speedup with 12 cores (average on 2 iterations): 5.362423 (tseq=2.568199, tpar=0.478925) -Speedup with 14 cores (average on 2 iterations): 6.074940 (tseq=2.568199, tpar=0.422753) -Speedup with 16 cores (average on 2 iterations): 6.987983 (tseq=2.568199, tpar=0.367517) -Speedup with 18 cores (average on 2 iterations): 7.886379 (tseq=2.568199, tpar=0.325650) -Speedup with 20 cores (average on 2 iterations): 8.922640 (tseq=2.568199, tpar=0.287830) +Sequential execution takes 6.801925 seconds +Speedup with 2 cores (average on 2 iterations): 1.749810 (tseq=6.801925, tpar=3.887236) +Speedup with 4 cores (average on 2 iterations): 2.813248 (tseq=6.801925, tpar=2.417819) +Speedup with 6 cores (average on 2 iterations): 3.570945 (tseq=6.801925, tpar=1.904797) +Speedup with 8 cores (average on 2 iterations): 3.900333 (tseq=6.801925, tpar=1.743935) +Speedup with 10 cores (average on 2 iterations): 4.696526 (tseq=6.801925, tpar=1.448289) +Speedup with 12 cores (average on 2 iterations): 5.792291 (tseq=6.801925, tpar=1.174307) +Speedup with 14 cores (average on 2 iterations): 6.519069 (tseq=6.801925, tpar=1.043389) +Speedup with 16 cores (average on 2 iterations): 6.404202 (tseq=6.801925, tpar=1.062104) +Speedup with 18 cores (average on 2 iterations): 6.871159 (tseq=6.801925, tpar=0.989924) +Speedup with 20 cores (average on 2 iterations): 8.349405 (tseq=6.801925, tpar=0.814660) make[1]: Leaving directory '/build/reproducible-path/parmap-1.2.5' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune @@ -460,12 +496,14 @@ 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/820509/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/820509/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/1677474 and its subdirectories -I: Current time: Sat Apr 4 14:24:14 -12 2026 -I: pbuilder-time-stamp: 1775355854 +I: removing directory /srv/workspace/pbuilder/820509 and its subdirectories +I: Current time: Mon Mar 3 10:05:13 +14 2025 +I: pbuilder-time-stamp: 1740945913