Diff of the two buildlogs: -- --- b1/build.log 2025-09-20 11:21:12.274820699 +0000 +++ b2/build.log 2025-09-20 11:25:41.171170992 +0000 @@ -1,6 +1,6 @@ I: pbuilder: network access will be disabled during build -I: Current time: Fri Sep 19 23:19:44 -12 2025 -I: pbuilder-time-stamp: 1758367184 +I: Current time: Sat Oct 24 07:44:13 +14 2026 +I: pbuilder-time-stamp: 1792777453 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 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/4141233/tmp/hooks/D02_print_environment starting +I: user script /srv/workspace/pbuilder/388148/tmp/hooks/D01_modify_environment starting +debug: Running on ionos15-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 Oct 23 17:44 /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/388148/tmp/hooks/D01_modify_environment finished +I: user script /srv/workspace/pbuilder/388148/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=40 ' - DISTRIBUTION='forky' - 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]="3" [2]="3" [3]="1" [4]="release" [5]="x86_64-pc-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=amd64 + DEBIAN_FRONTEND=noninteractive + DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=42 ' + DIRSTACK=() + DISTRIBUTION=forky + EUID=0 + FUNCNAME=([0]="Echo" [1]="main") + GROUPS=() + HOME=/root + HOSTNAME=i-capture-the-hostname + HOSTTYPE=x86_64 + HOST_ARCH=amd64 IFS=' ' - INVOCATION_ID='0b1dac5713fe46348fa72335627f60e7' - 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='4141233' - PS1='# ' - PS2='> ' + INVOCATION_ID=35f592202f74408cb460c05843861b72 + 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=388148 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.pAY6YfxA/pbuilderrc_DXL2 --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.pAY6YfxA/b1 --logfile b1/build.log parmap_1.2.5-3.dsc' - SUDO_GID='111' - SUDO_HOME='/var/lib/jenkins' - SUDO_UID='106' - SUDO_USER='jenkins' - TERM='unknown' - TZ='/usr/share/zoneinfo/Etc/GMT+12' - USER='root' - _='/usr/bin/systemd-run' - http_proxy='http://46.16.76.132:3128' + 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.pAY6YfxA/pbuilderrc_Ozzk --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.pAY6YfxA/b2 --logfile b2/build.log parmap_1.2.5-3.dsc' + SUDO_GID=111 + SUDO_HOME=/var/lib/jenkins + SUDO_UID=106 + SUDO_USER=jenkins + TERM=unknown + TZ=/usr/share/zoneinfo/Etc/GMT-14 + UID=0 + USER=root + _='I: set' + http_proxy=http://213.165.73.152:3128 I: uname -a - Linux ionos11-amd64 6.12.43+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.43-1 (2025-08-27) x86_64 GNU/Linux + Linux i-capture-the-hostname 6.12.43+deb13-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.12.43-1 (2025-08-27) x86_64 GNU/Linux I: ls -l /bin - lrwxrwxrwx 1 root root 7 Aug 10 12:30 /bin -> usr/bin -I: user script /srv/workspace/pbuilder/4141233/tmp/hooks/D02_print_environment finished + lrwxrwxrwx 1 root root 7 Aug 10 2025 /bin -> usr/bin +I: user script /srv/workspace/pbuilder/388148/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: 40 http://deb.debian.org/debian forky/main amd64 ocaml amd64 5.3.0-3 [18.0 MB] Get: 41 http://deb.debian.org/debian forky/main amd64 libdune-ocaml-dev amd64 3.20.2-3 [6517 kB] Get: 42 http://deb.debian.org/debian forky/main amd64 ocaml-dune amd64 3.20.2-3 [4938 kB] -Fetched 106 MB in 4s (26.9 MB/s) +Fetched 106 MB in 12s (8901 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 ... 19917 files and directories currently installed.) @@ -339,7 +371,11 @@ 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/388148/tmp/hooks/A99_set_merged_usr starting +Not re-configuring usrmerge for forky +I: user script /srv/workspace/pbuilder/388148/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 @@ -360,11 +396,11 @@ dh_ocamlinit -O--buildsystem=ocaml_dune dh_auto_configure -O--buildsystem=ocaml_dune dh_auto_build -O--buildsystem=ocaml_dune - dune build -j 40 -p parmap + dune build -j 42 -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 40 -p parmap + dune runtest -j 42 -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 @@ -373,52 +409,52 @@ [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 (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 [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 0.000039 seconds -Speedup with 8 cores (average on 1 iterations): 0.012617 (tseq=0.000039, tpar=0.003099) +Sequential execution takes 0.000047 seconds +Speedup with 8 cores (average on 1 iterations): 0.006350 (tseq=0.000047, tpar=0.007397) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000061 seconds -Speedup with 8 cores (average on 1 iterations): 0.022105 (tseq=0.000061, tpar=0.002761) +Sequential execution takes 0.000080 seconds +Speedup with 8 cores (average on 1 iterations): 0.007023 (tseq=0.000080, tpar=0.011406) Testing scalability with 1 iterations on 8 to 8 cores, step 1 -Sequential execution takes 0.000030 seconds -Speedup with 8 cores (average on 1 iterations): 0.010295 (tseq=0.000030, tpar=0.002895) +Sequential execution takes 0.000045 seconds +Speedup with 8 cores (average on 1 iterations): 0.004014 (tseq=0.000045, tpar=0.011226) (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 0.000694 seconds -Speedup with 2 cores (average on 2 iterations): 0.242755 (tseq=0.000694, tpar=0.002859) -Speedup with 4 cores (average on 2 iterations): 0.231114 (tseq=0.000694, tpar=0.003003) -Speedup with 6 cores (average on 2 iterations): 0.202603 (tseq=0.000694, tpar=0.003426) -Speedup with 8 cores (average on 2 iterations): 0.177251 (tseq=0.000694, tpar=0.003916) -Speedup with 10 cores (average on 2 iterations): 0.154849 (tseq=0.000694, tpar=0.004482) -Speedup with 12 cores (average on 2 iterations): 0.137027 (tseq=0.000694, tpar=0.005065) -Speedup with 14 cores (average on 2 iterations): 0.125255 (tseq=0.000694, tpar=0.005541) -Speedup with 16 cores (average on 2 iterations): 0.114413 (tseq=0.000694, tpar=0.006066) -Speedup with 18 cores (average on 2 iterations): 0.104117 (tseq=0.000694, tpar=0.006666) -Speedup with 20 cores (average on 2 iterations): 0.098556 (tseq=0.000694, tpar=0.007042) +Sequential execution takes 0.007085 seconds +Speedup with 2 cores (average on 2 iterations): 0.667123 (tseq=0.007085, tpar=0.010620) +Speedup with 4 cores (average on 2 iterations): 0.683504 (tseq=0.007085, tpar=0.010365) +Speedup with 6 cores (average on 2 iterations): 0.443565 (tseq=0.007085, tpar=0.015972) +Speedup with 8 cores (average on 2 iterations): 0.517786 (tseq=0.007085, tpar=0.013683) +Speedup with 10 cores (average on 2 iterations): 0.103582 (tseq=0.007085, tpar=0.068398) +Speedup with 12 cores (average on 2 iterations): 0.402214 (tseq=0.007085, tpar=0.017615) +Speedup with 14 cores (average on 2 iterations): 0.346381 (tseq=0.007085, tpar=0.020454) +Speedup with 16 cores (average on 2 iterations): 0.323383 (tseq=0.007085, tpar=0.021909) +Speedup with 18 cores (average on 2 iterations): 0.062116 (tseq=0.007085, tpar=0.114059) +Speedup with 20 cores (average on 2 iterations): 0.044387 (tseq=0.007085, tpar=0.159615) (cd _build/default/tests && ./simplescalemapfold.exe) Testing scalability with 2 iterations on 1*2 to 10*2 cores -Sequential execution takes 2.569782 seconds -Speedup with 2 cores (average on 2 iterations): 0.919987 (tseq=2.569782, tpar=2.793282) -Speedup with 4 cores (average on 2 iterations): 1.832047 (tseq=2.569782, tpar=1.402683) -Speedup with 6 cores (average on 2 iterations): 2.741536 (tseq=2.569782, tpar=0.937351) -Speedup with 8 cores (average on 2 iterations): 3.456814 (tseq=2.569782, tpar=0.743396) -Speedup with 10 cores (average on 2 iterations): 4.560660 (tseq=2.569782, tpar=0.563467) -Speedup with 12 cores (average on 2 iterations): 5.299721 (tseq=2.569782, tpar=0.484890) -Speedup with 14 cores (average on 2 iterations): 6.079663 (tseq=2.569782, tpar=0.422685) -Speedup with 16 cores (average on 2 iterations): 6.980447 (tseq=2.569782, tpar=0.368140) -Speedup with 18 cores (average on 2 iterations): 7.900433 (tseq=2.569782, tpar=0.325271) -Speedup with 20 cores (average on 2 iterations): 8.919586 (tseq=2.569782, tpar=0.288105) +Sequential execution takes 4.630953 seconds +Speedup with 2 cores (average on 2 iterations): 1.275234 (tseq=4.630953, tpar=3.631453) +Speedup with 4 cores (average on 2 iterations): 2.188228 (tseq=4.630953, tpar=2.116303) +Speedup with 6 cores (average on 2 iterations): 3.472956 (tseq=4.630953, tpar=1.333433) +Speedup with 8 cores (average on 2 iterations): 3.755036 (tseq=4.630953, tpar=1.233265) +Speedup with 10 cores (average on 2 iterations): 4.717341 (tseq=4.630953, tpar=0.981687) +Speedup with 12 cores (average on 2 iterations): 5.597829 (tseq=4.630953, tpar=0.827277) +Speedup with 14 cores (average on 2 iterations): 6.125420 (tseq=4.630953, tpar=0.756022) +Speedup with 16 cores (average on 2 iterations): 6.484657 (tseq=4.630953, tpar=0.714140) +Speedup with 18 cores (average on 2 iterations): 7.115080 (tseq=4.630953, tpar=0.650864) +Speedup with 20 cores (average on 2 iterations): 4.995469 (tseq=4.630953, tpar=0.927031) make[1]: Leaving directory '/build/reproducible-path/parmap-1.2.5' create-stamp debian/debhelper-build-stamp dh_testroot -O--buildsystem=ocaml_dune @@ -446,9 +482,9 @@ 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_amd64.deb'. dpkg-deb: building package 'libparmap-ocaml-dbgsym' in '../libparmap-ocaml-dbgsym_1.2.5-3_amd64.deb'. dpkg-deb: building package 'libparmap-ocaml' in '../libparmap-ocaml_1.2.5-3_amd64.deb'. -dpkg-deb: building package 'libparmap-ocaml-dev' in '../libparmap-ocaml-dev_1.2.5-3_amd64.deb'. dpkg-genbuildinfo --build=binary -O../parmap_1.2.5-3_amd64.buildinfo dpkg-genchanges --build=binary -O../parmap_1.2.5-3_amd64.changes dpkg-genchanges: info: binary-only upload (no source code included) @@ -456,12 +492,14 @@ 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/388148/tmp/hooks/B01_cleanup starting +I: user script /srv/workspace/pbuilder/388148/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/4141233 and its subdirectories -I: Current time: Fri Sep 19 23:21:12 -12 2025 -I: pbuilder-time-stamp: 1758367272 +I: removing directory /srv/workspace/pbuilder/388148 and its subdirectories +I: Current time: Sat Oct 24 07:48:40 +14 2026 +I: pbuilder-time-stamp: 1792777720