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:debian-13-5.1_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.1@sha256:f294625544466e7500ffcfe7dbb6cbcbe07e8248a4c53d6af8e32d74a8b56b5bOpam 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-5.1@sha256:f294625544466e7500ffcfe7dbb6cbcbe07e8248a4c53d6af8e32d74a8b56b5b# debian-13-5.1_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && 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-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 cstruct.6.2.0 decompress.1.5.3 domain-local-await.1.0.1 dune.3.21.0 dune-configurator.3.21.0 eio.1.2 fmt.0.11.0 hmap.0.8.1 lwt-dllist.1.1.0 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 psq.0.2.1 seq.base thread-table.1.0.0 topkg.1.1.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y tar.dev tar-eio.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @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-5.1@sha256:f294625544466e7500ffcfe7dbb6cbcbe07e8248a4c53d6af8e32d74a8b56b5b-debian-13-5.1_opam-2.5-4c5bdf703a402d317af1aff31203d134"2026-01-24 22:45.52: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.1@sha256:f294625544466e7500ffcfe7dbb6cbcbe07e8248a4c53d6af8e32d74a8b56b5b)(comment debian-13-5.1_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && 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-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 cstruct.6.2.0 decompress.1.5.3 domain-local-await.1.0.1 dune.3.21.0 dune-configurator.3.21.0 eio.1.2 fmt.0.11.0 hmap.0.8.1 lwt-dllist.1.1.0 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 psq.0.2.1 seq.base thread-table.1.0.0 topkg.1.1.1")(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 tar-eio.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 @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 22:45.53: Got resource from pool OClusterBuilding on eumacheAll commits already cachedHEAD is now at bbb1998 Apply formatting and sync changes(from ocaml/opam:debian-13-ocaml-5.1@sha256:f294625544466e7500ffcfe7dbb6cbcbe07e8248a4c53d6af8e32d74a8b56b5b)2026-01-24 22:45.54 ---> using "deb7339621d5d29ffcbc6f18592db655941c3ffa61703058bdf27cb277812b74" from cache/: (comment debian-13-5.1_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 22:45.54 ---> using "b23b5557c99cbb7c32f65f4a288e99106ef52847244956a49cf26975845c64da" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-24 22:45.54 ---> using "d34fcb3eea0a84e661f425d214b6206b44f09f56849ec65e8f8452244051f38a" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-131-genericThe OCaml toplevel, version 5.1.12.5.02026-01-24 22:45.54 ---> using "feb8e42e7592aa0181a8cdb6582db607e462c431f749bcdcd12a11b490a8d153" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-24 22:45.54 ---> using "fe14a6a7754197c765a76d2404263b1e5acc1c70e93e3f63d17bc2e1fd0ef498" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD16d9c0eb87..8e1b9a49e8 master -> origin/master873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0<><> 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 22:45.54 ---> using "b20b8427924730175dce61d5ecc114ccdfb83ca0a1b6c44527dce2c0aa10de5b" from cache/src: (copy (src tar.opam tar-eio.opam) (dst ./))2026-01-24 22:45.54 ---> saved as "20b50ac46018f9f22406896a3377f69ea0f43886353e9e7d0ce0444bd89d7b57"/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 "5e913c21feb08ab69718aa899ede27cf743a51ce785c3778237912e411017d8d"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-24 22:45.58 ---> saved as "7e47fe378f39be0fb6504e71225ec388605c9b5fe0e0c5478b8ceb70e57b1d31"/src: (env DEPS "base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 checkseum.0.5.2 cmdliner.2.1.0 csexp.1.5.2 cstruct.6.2.0 decompress.1.5.3 domain-local-await.1.0.1 dune.3.21.0 dune-configurator.3.21.0 eio.1.2 fmt.0.11.0 hmap.0.8.1 lwt-dllist.1.1.0 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 psq.0.2.1 seq.base thread-table.1.0.0 topkg.1.1.1")/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 tar-eio.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 4s (2546 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[tar.dev] synchronised (file:///src)[tar-eio.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.1.1).[NOTE] Package ocaml is already installed (current version is 5.1.1).[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-nnp is already installed (current version is base).[NOTE] Package base-domains is already installed (current version is base).[NOTE] Package base-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-01-24 22:46.14 ---> saved as "a2ffa4e5c5c9feab9e265f6912485c8fcb62467c9f011193259b6f7b6f4b5c60"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.1.1).[NOTE] Package ocaml is already installed (current version is 5.1.1).[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-nnp is already installed (current version is base).[NOTE] Package base-domains 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 21 packages- install bigstringaf 0.10.0- install checkseum 0.5.2- install cmdliner 2.1.0- install csexp 1.5.2- install cstruct 6.2.0- install decompress 1.5.3- install domain-local-await 1.0.1- install dune 3.21.0- install dune-configurator 3.21.0- install eio 1.2- install fmt 0.11.0- install hmap 0.8.1- install lwt-dllist 1.1.0- install mtime 2.1.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install optint 0.3.0- install psq 0.2.1- install seq base- install thread-table 1.0.0- install topkg 1.1.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved bigstringaf.0.10.0 (cached)-> retrieved checkseum.0.5.2 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved domain-local-await.1.0.1 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved eio.1.2 (cached)-> retrieved decompress.1.5.3 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved hmap.0.8.1 (cached)-> retrieved lwt-dllist.1.1.0 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved optint.0.3.0 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved psq.0.2.1 (cached)-> retrieved thread-table.1.0.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed topkg.1.1.1-> installed hmap.0.8.1-> installed mtime.2.1.0-> installed fmt.0.11.0-> installed dune.3.21.0-> installed lwt-dllist.1.1.0-> installed thread-table.1.0.0-> installed csexp.1.5.2-> installed cstruct.6.2.0-> installed optint.0.3.0-> installed psq.0.2.1-> installed domain-local-await.1.0.1-> installed dune-configurator.3.21.0-> installed bigstringaf.0.10.0-> installed checkseum.0.5.2-> installed eio.1.2-> installed decompress.1.5.3Done.# To update the current shell environment, run: eval $(opam env)2026-01-24 22:47.12 ---> saved as "29de93aa4dd6b1786a76e278ef2a0f6c8a90839a5c5a35f3bd8a45c3258263ec"/src: (copy (src .) (dst /src))2026-01-24 22:47.12 ---> saved as "a58fd7608c27941ec7b9a317fa28d87261ae6edba6745d89c4e5f4898fdff43c"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/5.1/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 -cmi-file lib/.tar.objs/byte/tar.cmi -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.Syntax(cd _build/default && /home/opam/.opam/5.1/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 -cmi-file lib/.tar.objs/byte/tar.cmi -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 @install @check @runtest && rm -rf _build" failed with exit status 12026-01-24 22:47.13: Job failed: Failed: Build failed