2026-04-28 18:44.06: New job: test backtracking/ocaml-hashcons https://github.com/backtracking/ocaml-hashcons.git#refs/heads/master (9d6a7855e70ac59f8e434efdc301aa9c9bc81991) (linux-x86_64:(lint-doc))Base: ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9Opam project lint documentationTo reproduce locally:git clone --recursive "https://github.com/backtracking/ocaml-hashcons.git" -b "master" && cd "ocaml-hashcons" && git reset --hard 9d6a7855cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9# alpine-3.23-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.2 /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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 hashcons.opam ./RUN opam pin add -yn hashcons.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base-bigarray.base base-threads.base base-unix.base dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.2 --depext-only -y hashcons.dev $DEPSRUN opam install $DEPSRUN opam install --yes dune 'odoc>=1.5.0'COPY --chown=1000:1000 . /src/RUN ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo "dune build @doc failed"; exit 2)END-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-28 18:44.06: Using cache hint "backtracking/ocaml-hashcons-ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9-alpine-3.23-4.14_opam-2.5-a8a2af76b23da6707adcfaf8b19c747c"2026-04-28 18:44.06: Using OBuilder spec:((from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9)(comment alpine-3.23-4.14_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-2.2 /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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src hashcons.opam) (dst ./))(run (network host)(shell "opam pin add -yn hashcons.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.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=2.2 --depext-only -y hashcons.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install --yes dune 'odoc>=1.5.0'"))(copy (src .) (dst /src/))(run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")))2026-04-28 18:44.06: Waiting for resource in pool OCluster2026-04-28 19:33.49: Waiting for worker…2026-04-28 19:37.52: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at 9d6a785 fixes for ocaml-ci(from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9)2026-04-28 19:37.53 ---> using "8e65bc4d84a4bbc3f291f4c89c5f0411ea9740fc4228eddb2c11cbc44748b04d" from cache/: (comment alpine-3.23-4.14_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-2.2 /usr/bin/opam"))2026-04-28 19:37.53 ---> using "a94f933c2065f1331b71c9d3e0f08d7c877e02d1c25b554eec73dda9103c15f6" 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 development 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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "ocaml-patches-overlay": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocurrent/opam-repository/': Could not resolve host: github.com (Could not contact DNS servers)"[default] Initialised2026-04-28 19:37.53 ---> using "0678aa672a1705151eb4578727f122487bb660b3b643c09515818c4dbb12c0f6" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 4.14.32.2.12026-04-28 19:37.53 ---> using "df273397cca517dc161e28ee32665e29cb6793fc7fbc5bb6835668deef447115" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-28 19:37.53 ---> using "33d1cd6aa27bee3bb7c0c5fb0e101a64b7f01d9760d7894b48dbbb6936f5a184" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches[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, which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# Run eval $(opam env) to update the current shell environment2026-04-28 19:37.54 ---> using "209eefd6e2e21eff4278ece6f43d7fbf88d3fab62414f20a3bb232b05e5dfa12" from cache/src: (copy (src hashcons.opam) (dst ./))2026-04-28 19:37.55 ---> saved as "bfecc266a945028e5097479b12f3c73efce111719ff1454c4b99e4bbe6419e5d"/src: (run (network host)(shell "opam pin add -yn hashcons.dev './'"))[hashcons.dev] synchronised (file:///src)[WARNING] Failed checks on hashcons package definition from source at file:///src:warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "LGPL-2.1"hashcons is now pinned to file:///src (version dev)2026-04-28 19:37.56 ---> saved as "c66a8a41dd100b0dbd52cdb3cd2fc049882e2be37a7c753a51d136044bf296d5"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-28 19:37.57 ---> saved as "dc6511eec7afd2e190cd50b78927e6b009c34599dc9589656754a16aaaf3df3f"/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.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=2.2 --depext-only -y hashcons.dev $DEPS"))+ /usr/bin/sudo "apk" "update"- v3.23.4-87-g1a6cf4ecc50 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]- v3.23.4-87-g1a6cf4ecc50 [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]- v20260127-8614-g3dadfe355ed [https://dl-cdn.alpinelinux.org/alpine/edge/main]- v20260127-8630-g198de671ae5 [https://dl-cdn.alpinelinux.org/alpine/edge/community]- v20260127-8630-g198de671ae5 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]- OK: 62100 distinct packages available<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[hashcons.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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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).2026-04-28 19:38.07 ---> saved as "515e359fb43d733c24398426874ee8d2080214184efc04eaf0b53449a77167e0"/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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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 1 package- install dune 3.22.2<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.22.2 (cached)-> installed dune.3.22.2Done.# Run eval $(opam env) to update the current shell environment2026-04-28 19:38.35 ---> saved as "ba130f6d49996f696bc1d6d8aa0d0d6830d9aab35ab8faaa2935e32b12d81887"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install --yes dune 'odoc>=1.5.0'"))[NOTE] Package dune is already installed (current version is 3.22.2).The following actions will be performed:=== install 17 packages- install astring 0.8.5 [required by odoc]- install camlp-streams 5.0.1 [required by odoc-parser]- install cmdliner 2.1.0 [required by odoc]- install cppo 1.8.0 [required by odoc]- install crunch 4.0.0 [required by odoc]- install fmt 0.11.0 [required by odoc]- install fpath 0.7.3 [required by odoc]- install ocamlbuild 0.16.1 [required by fmt, astring, fpath]- install ocamlfind 1.9.8 [required by fmt, astring, fpath]- install odoc 3.1.0- install odoc-parser 3.1.0 [required by odoc]- install ptime 1.2.0 [required by crunch]- install re 1.14.0 [required by tyxml]- install seq base [required by tyxml]- install topkg 1.1.1 [required by fmt, astring, fpath]- install tyxml 4.6.0 [required by odoc]- install uutf 1.0.4 [required by tyxml]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved camlp-streams.5.0.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved crunch.4.0.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved fpath.0.7.3 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ptime.1.2.0 (cached)-> retrieved seq.base (cached)-> installed seq.base-> installed camlp-streams.5.0.1-> retrieved re.1.14.0 (cached)-> retrieved odoc.3.1.0, odoc-parser.3.1.0 (cached)-> installed cppo.1.8.0-> retrieved topkg.1.1.1 (cached)-> retrieved tyxml.4.6.0 (cached)-> installed re.1.14.0-> retrieved uutf.1.0.4 (cached)-> installed cmdliner.2.1.0-> installed ocamlfind.1.9.8-> installed ocamlbuild.0.16.1-> installed topkg.1.1.1-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed ptime.1.2.0-> installed astring.0.8.5-> installed crunch.4.0.0-> installed fpath.0.7.3-> installed odoc-parser.3.1.0-> installed tyxml.4.6.0-> installed odoc.3.1.0Done.# Run eval $(opam env) to update the current shell environment2026-04-28 19:39.00 ---> saved as "88382cf467901f5e288076f1507646be7608070aaac34fd59cdd5dadae05c71b"/src: (copy (src .) (dst /src/))2026-04-28 19:39.01 ---> saved as "76c090d5964ac4f7b54d2b510b8b2c89dfcb68a8a90a2035d79ecc44842f357e"/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))2026-04-28 19:39.01 ---> saved as "c5e8e5899a3885a4b297e75164f0a5af50f3eba617df743715ab1ff230c76756"Job succeeded2026-04-28 19:39.01: Job succeeded