2026-01-24 22:45.52: New job: test mirage/ocaml-tar https://github.com/mirage/ocaml-tar.git#refs/heads/main (bbb19985822cae634319f9eb1ff16f236e97d206) (linux-x86_64:(lower-bound))Base: ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500Opam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/ocaml-tar.git" -b "main" && cd "ocaml-tar" && git reset --hard bbb19985cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500# debian-13-4.08_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 tar.opam tar-eio.opam ./RUN opam pin add -yn tar.dev './' && \opam pin add -yn tar-eio.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 checkseum.0.3.1 cmdliner.1.3.0 conf-m4.1 conf-pkg-config.1.0 decompress.1.5.1 dune.2.9.3 dune-configurator.2.5.1 dune-private-libs.2.5.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlfind.1.8.0 optint.0.3.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y tar.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-24 22:45.52: Using cache hint "mirage/ocaml-tar-ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500-debian-13-4.08_opam-2.5-ed3eda9faa1598602577cd2581ea6050"2026-01-24 22:45.52: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500)(comment debian-13-4.08_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src tar.opam tar-eio.opam) (dst ./))(run (network host)(shell "opam pin add -yn tar.dev './' && \\nopam pin add -yn tar-eio.dev './'"))(run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 checkseum.0.3.1 cmdliner.1.3.0 conf-m4.1 conf-pkg-config.1.0 decompress.1.5.1 dune.2.9.3 dune-configurator.2.5.1 dune-private-libs.2.5.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlfind.1.8.0 optint.0.3.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y tar.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _build")))2026-01-24 22:45.52: Waiting for resource in pool OCluster2026-01-24 22:45.52: Waiting for worker…2026-01-24 22:45.54: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at bbb1998 Apply formatting and sync changes(from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500)2026-01-24 22:45.55 ---> using "4c1f60dc0cc5644c6a4c05cf3315bdbf9cc478b70e443b212a1220385bab8bba" from cache/: (comment debian-13-4.08_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-01-24 22:45.55 ---> using "92dd4fc960da195cf8060e96ee0990af7318cc2673fac9df60b7fa438452988b" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[NOTE] The 'jobs' option was reset, its value was 71 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=71 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-24 22:45.55 ---> using "aabd502144a2d34da48b540ca016cfc216bbcccbb82cd54dc1dbcd4eab0c47c4" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 4.08.12.5.02026-01-24 22:45.55 ---> using "2f5f566f7e806252bb5a6fcdcbd8b7bc314413458c854c3595c5ff2a71173bde" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-24 22:45.55 ---> using "b86df431ec01f8f97d0c50a8e2cdd966fd4d0009325244e611106efcf1f13127" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u"))c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-01-24 22:45.55 ---> using "2f4d00c82716dc08ebb0f469cea9af6fac04b5a1e7f12f6dabdb0b3e2e8d14a6" from cache/src: (copy (src tar.opam tar-eio.opam) (dst ./))2026-01-24 22:45.56 ---> saved as "d814e8718e7a1ecf22780119e32fffc981a11b3fd7cddf54af1a7181d20841f1"/src: (run (network host)(shell "opam pin add -yn tar.dev './' && \\nopam pin add -yn tar-eio.dev './'"))[tar.dev] synchronised (file:///src)tar is now pinned to file:///src (version dev)[tar-eio.dev] synchronised (file:///src)tar-eio is now pinned to file:///src (version dev)2026-01-24 22:45.58 ---> saved as "05c8df54aba58447b1677a1404319f41cc0e66977af6eeea9b1eabb83de186c0"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-24 22:45.58 ---> saved as "0a21ba6a33e209a564654fe0c7ca759c3cb7d4a6aaa673c740df031a248f1f4f"/src: (env DEPS "base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 checkseum.0.3.1 cmdliner.1.3.0 conf-m4.1 conf-pkg-config.1.0 decompress.1.5.1 dune.2.9.3 dune-configurator.2.5.1 dune-private-libs.2.5.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlfind.1.8.0 optint.0.3.0")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y tar.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9670 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [97.9 kB]- Fetched 9999 kB in 2s (4423 kB/s)- Reading package lists...<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[tar.dev] synchronised (file:///src)[NOTE] Package ocaml-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).[NOTE] Package ocaml is already installed (current version is 4.08.1).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following system packages will first need to be installed:m4 pkg-config<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4" "pkg-config"- Selecting previously unselected package libpkgconf3:amd64.- (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 ... 20622 files and directories currently installed.)- Preparing to unpack .../libpkgconf3_1.8.1-4_amd64.deb ...- Unpacking libpkgconf3:amd64 (1.8.1-4) ...- Selecting previously unselected package m4.- Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ...- Unpacking m4 (1.4.19-8) ...- Selecting previously unselected package pkgconf-bin.- Preparing to unpack .../pkgconf-bin_1.8.1-4_amd64.deb ...- Unpacking pkgconf-bin (1.8.1-4) ...- Selecting previously unselected package pkgconf:amd64.- Preparing to unpack .../pkgconf_1.8.1-4_amd64.deb ...- Unpacking pkgconf:amd64 (1.8.1-4) ...- Selecting previously unselected package pkg-config:amd64.- Preparing to unpack .../pkg-config_1.8.1-4_amd64.deb ...- Unpacking pkg-config:amd64 (1.8.1-4) ...- Setting up m4 (1.4.19-8) ...- Setting up libpkgconf3:amd64 (1.8.1-4) ...- Setting up pkgconf-bin (1.8.1-4) ...- Setting up pkgconf:amd64 (1.8.1-4) ...- Setting up pkg-config:amd64 (1.8.1-4) ...- Processing triggers for libc-bin (2.41-12) ...# To update the current shell environment, run: eval $(opam env)2026-01-24 22:46.09 ---> saved as "381a0975e8c95152ed2ff1a9d2c3b300710c63cb6c8684e17ef85c89aaea4897"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).[NOTE] Package ocaml is already installed (current version is 4.08.1).[NOTE] Package base-unix is already installed (current version is base).[NOTE] Package base-threads is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).The following actions will be performed:=== install 12 packages- install base-bytes base- install bigarray-compat 1.0.0- install checkseum 0.3.1- install cmdliner 1.3.0- install conf-m4 1- install conf-pkg-config 1.0- install decompress 1.5.1- install dune 2.9.3- install dune-configurator 2.5.1- install dune-private-libs 2.5.1- install ocamlfind 1.8.0- install optint 0.3.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved bigarray-compat.1.0.0 (cached)-> retrieved checkseum.0.3.1 (cached)-> retrieved cmdliner.1.3.0 (cached)-> installed conf-m4.1-> installed conf-pkg-config.1.0-> retrieved decompress.1.5.1 (cached)-> retrieved ocamlfind.1.8.0 (cached)-> retrieved optint.0.3.0 (cached)-> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1 (cached)-> retrieved dune.2.9.3 (cached)-> installed cmdliner.1.3.0-> installed ocamlfind.1.8.0-> installed base-bytes.base-> installed dune.2.9.3-> installed bigarray-compat.1.0.0-> installed optint.0.3.0-> installed dune-private-libs.2.5.1-> installed dune-configurator.2.5.1-> installed checkseum.0.3.1-> installed decompress.1.5.1Done.# To update the current shell environment, run: eval $(opam env)2026-01-24 22:46.32 ---> saved as "383b6719eb927fb9d9695beb0fb56eef66ff3c3ad7b46535fc46bf8670903d92"/src: (copy (src .) (dst /src))2026-01-24 22:46.33 ---> saved as "1ac4d5a5753b3f2f3c69eb6c4f8372a37af150dd0301593a7ddb8f2d61a7bf02"/src: (run (shell "opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _build"))ocamlc lib/.tar.objs/byte/tar.{cmo,cmt} (exit 2)(cd _build/default && /home/opam/.opam/4.08/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I lib/.tar.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o lib/.tar.objs/byte/tar.cmo -c -impl lib/tar.ml)File "lib/tar.ml", line 30, characters 5-18:30 | open Result.Syntax^^^^^^^^^^^^^Error: Unbound module Result.Syntaxocamlopt lib/.tar.objs/native/tar.{cmx,o} (exit 2)(cd _build/default && /home/opam/.opam/4.08/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I lib/.tar.objs/byte -I lib/.tar.objs/native -intf-suffix .ml -no-alias-deps -opaque -o lib/.tar.objs/native/tar.cmx -c -impl lib/tar.ml)File "lib/tar.ml", line 30, characters 5-18:30 | open Result.Syntax^^^^^^^^^^^^^Error: Unbound module Result.Syntax"/usr/bin/env" "bash" "-c" "opam exec -- dune build --only-packages=tar @install @check @runtest && rm -rf _build" failed with exit status 12026-01-24 22:46.33: Job failed: Failed: Build failed