2026-04-13 10:22.23: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/persistent-bit-vectors (459b76d4286b3fd31297aa41766da2762554a426) (linux-s390x:debian-13-4.14_s390x_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6bOpam project buildTo reproduce locally:git clone --recursive "https://github.com/backtracking/bitv.git" -b "persistent-bit-vectors" && cd "bitv" && git reset --hard 459b76d4cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b# debian-13-4.14_s390x_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 bitv.opam ./RUN opam pin add -yn bitv.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base-bigarray.base base-threads.base base-unix.base dune.3.22.1 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=2.5 --depext-only -y bitv.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-13 10:22.23: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b-debian-13-4.14_s390x_opam-2.5-1aa9b83d821bd66ff831e523a4626b65"2026-04-13 10:22.23: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b)(comment debian-13-4.14_s390x_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src bitv.opam) (dst ./))(run (network host)(shell "opam pin add -yn bitv.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.1 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=2.5 --depext-only -y bitv.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")))2026-04-13 10:22.23: Waiting for resource in pool OCluster2026-04-13 10:25.51: Waiting for worker…2026-04-13 10:36.58: Got resource from pool OClusterBuilding on s390x-worker-01.marist.ci.devAll commits already cachedHEAD is now at 459b76d sets over a given universe(from ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b)Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b' locallydocker.io/ocaml/opam@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b: Pulling from ocaml/opam7bc76783a615: Pulling fs layere5c029bbebea: Pulling fs layer2831c6fbf632: Pulling fs layer3ee23e5e99f4: Pulling fs layer3ee23e5e99f4: Waitingcfd1e5736b52: Pulling fs layerc42f7f6bf034: Pulling fs layercfd1e5736b52: Waiting6f4efda41913: Pulling fs layerc42f7f6bf034: 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Download complete09bd249f1a71: Verifying Checksum09bd249f1a71: Download completec27ee200f933: Download complete1839f6a949b5: Verifying Checksum1839f6a949b5: Download complete7bc76783a615: Pull completee5c029bbebea: Pull complete2831c6fbf632: Pull complete3ee23e5e99f4: Pull completecd1963a65068: Download completecfd1e5736b52: Pull completeb17b5957c7f2: Verifying Checksumb17b5957c7f2: Download complete506b38886d9b: Verifying Checksum506b38886d9b: Download complete3f7468707b82: Verifying Checksum3f7468707b82: Download completee50478fada21: Verifying Checksume50478fada21: Download complete924966b7a474: Verifying Checksum924966b7a474: Download completec42f7f6bf034: Pull complete6f4efda41913: Pull complete80fe60453bff: Pull completedf4a45a10d2e: Pull completeab850f8f052b: Pull complete7190eb8da37e: Pull completec9ba0635b9b8: Pull complete16636cf71a80: Pull completef2ecd3dfa44a: Pull completec3cfae2fe5aa: Pull complete2e8849b41258: Pull complete5c3534a012b5: Pull completedf5b694713fc: Pull complete4a5cd4bf1a5f: Pull complete62b3d7d93928: Pull complete97663d853f95: Pull complete4f4fb700ef54: Pull completec41e9c4e9804: Pull completee91d8c689be2: Pull completee75c0c9be254: Pull complete19060346f782: Pull complete1af391db4678: Pull complete542793b924cd: Pull complete0b624b36bd8a: Pull completec1a9f1d4af3b: Pull complete3d615b5c82ea: Pull completea359c96d19d0: Pull complete63b67ddb36f8: Pull complete708c6571ed7b: Pull complete924966b7a474: Pull complete07933439b512: Pull completecd1963a65068: Pull complete09bd249f1a71: Pull completec27ee200f933: Pull complete1839f6a949b5: Pull completee50478fada21: Pull completeb17b5957c7f2: Pull complete506b38886d9b: Pull complete3f7468707b82: Pull completeDigest: sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6bStatus: Downloaded newer image for ocaml/opam@sha256:93b97cbbf617c70103102d5b5b855706fc607c58f4be988647af96b1f50d7a6b2026-04-13 10:36.59 ---> using "085f133598c48984747c2b9c9a82fc3bcf302d7a3c9e2d0e9ddaf6d6aaa08c17" from cache/: (comment debian-13-4.14_s390x_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"))2026-04-13 10:36.59 ---> using "b2a56a4aa7808c48b2752c5bddb1ba6d70627617d9c2778664e5e1eb9cc81d63" 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] Initialised2026-04-13 10:36.59 ---> using "f2f0f4a7c7ceb0b1b57e9d6806470955555bde43372782d196487cacc1da3b45" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 4.14.32.5.02026-04-13 10:36.59 ---> using "20680a32b8609a3c3def2fe680a20e9095c47e6cd297b3cefe39ad9a9f35d1a5" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-13 10:37.00 ---> using "72ecde6990417bff5773dccff1fab235a08981facf4c042bba9b601f8028bba1" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> 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.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-04-13 10:37.00 ---> using "6f3bc734e7649753e7c7b18d8c75b6b2fd37f12acd9e52d534d766012e1fb69b" from cache/src: (copy (src bitv.opam) (dst ./))2026-04-13 10:37.00 ---> using "bd6aa027af25e6aa8f9d349e324abad274af2bd4ea2d2bbe5cd7b6e8335aaee0" from cache/src: (run (network host)(shell "opam pin add -yn bitv.dev './'"))[bitv.dev] synchronised (file:///src)bitv is now pinned to file:///src (version dev)2026-04-13 10:37.00 ---> using "981c961927fa51017cff677e8e6470b56e469fb756f91c1d2c9d696cc6dcacf1" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-13 10:37.00 ---> using "adcf100fcd333dc38ad536e9df0d094b9931e45f3c94ab97e2ce1c78277bd090" from cache/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.1 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=2.5 --depext-only -y bitv.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://deb.debian.org/debian trixie InRelease- 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-security trixie-security/main s390x Packages [115 kB]- Fetched 205 kB in 0s (653 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[bitv.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).# To update the current shell environment, run: eval $(opam env)2026-04-13 10:37.00 ---> using "1d83c35dc47ec335d39f8f8adb5503194eea4d8fad89eadecae9c1c1f03ee3a9" from cache/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 3.22.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.22.1 (cached)-> installed dune.3.22.1Done.# To update the current shell environment, run: eval $(opam env)2026-04-13 10:37.00 ---> using "aa77704dbe3db8a798744401351fde35849b7d6cf5b053197d9fc86772561782" from cache/src: (copy (src .) (dst /src))2026-04-13 10:37.02 ---> saved as "d4b05ac503b0b33e7ec71fb3485758f47192a3eb8b5cfb72d39058466cd7ac3c"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/4.14/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 -w -32 -g -bin-annot -I .test_pbv.eobjs/byte -I .bitv.objs/byte -no-alias-deps -opaque -o .test_pbv.eobjs/byte/dune__exe__Test_pbv.cmo -c -impl test_pbv.ml)File "test_pbv.ml", lines 149-152, characters 13-4:149 | .............Make(struct150 | include String151 | let print = Format.pp_print_string152 | end)Error: Modules do not match:sigtype t = stringval make : int -> char -> tval init : int -> (int -> char) -> tval empty : tval of_bytes : bytes -> tval to_bytes : t -> bytesexternal length : t -> int = "%string_length"external get : t -> int -> char = "%string_safe_get"val concat : t -> t list -> tval cat : t -> t -> tval equal : t -> t -> boolval compare : t -> t -> intval starts_with : prefix:t -> t -> boolval ends_with : suffix:t -> t -> boolval contains_from : t -> int -> char -> boolval rcontains_from : t -> int -> char -> boolval contains : t -> char -> boolval sub : t -> int -> int -> tval split_on_char : char -> t -> t listval map : (char -> char) -> t -> tval mapi : (int -> char -> char) -> t -> tval fold_left : ('a -> char -> 'a) -> 'a -> t -> 'aval fold_right : (char -> 'a -> 'a) -> t -> 'a -> 'aval for_all : (char -> bool) -> t -> boolval exists : (char -> bool) -> t -> boolval trim : t -> tval escaped : t -> tval uppercase_ascii : t -> tval lowercase_ascii : t -> tval capitalize_ascii : t -> tval uncapitalize_ascii : t -> tval iter : (char -> unit) -> t -> unitval iteri : (int -> char -> unit) -> t -> unitval index_from : t -> int -> char -> intval index_from_opt : t -> int -> char -> int optionval rindex_from : t -> int -> char -> intval rindex_from_opt : t -> int -> char -> int optionval index : t -> char -> intval index_opt : t -> char -> int optionval rindex : t -> char -> intval rindex_opt : t -> char -> int optionval to_seq : t -> char Seq.tval to_seqi : t -> (int * char) Seq.tval of_seq : char Seq.t -> tval get_utf_8_uchar : t -> int -> Uchar.utf_decodeval is_valid_utf_8 : t -> boolval get_utf_16be_uchar : t -> int -> Uchar.utf_decodeval is_valid_utf_16be : t -> boolval get_utf_16le_uchar : t -> int -> Uchar.utf_decodeval is_valid_utf_16le : t -> boolexternal create : int -> bytes = "caml_create_string"external set : bytes -> int -> char -> unit = "%string_safe_set"val blit : t -> int -> bytes -> int -> int -> unitval copy : t -> tval fill : bytes -> int -> int -> char -> unitval uppercase : t -> tval lowercase : t -> tval capitalize : t -> tval uncapitalize : t -> tval get_uint8 : t -> int -> intval get_int8 : t -> int -> intval get_uint16_ne : t -> int -> intval get_uint16_be : t -> int -> intval get_uint16_le : t -> int -> intval get_int16_ne : t -> int -> intval get_int16_be : t -> int -> intval get_int16_le : t -> int -> intval get_int32_ne : t -> int -> int32val get_int32_be : t -> int -> int32val get_int32_le : t -> int -> int32val get_int64_ne : t -> int -> int64val get_int64_be : t -> int -> int64val get_int64_le : t -> int -> int64external unsafe_get : t -> int -> char = "%string_unsafe_get"external unsafe_set : bytes -> int -> char -> unit= "%string_unsafe_set"external unsafe_blit : t -> int -> bytes -> int -> int -> unit= "caml_blit_string" [@@noalloc]external unsafe_fill : bytes -> int -> int -> char -> unit= "caml_fill_string" [@@noalloc]val print : Format.formatter -> t -> unitendis not included in Bitv__Pbv.UNIVERSEThe value `hash' is required but not providedFile "pbv.mli", line 141, characters 2-20: Expected declaration"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-13 10:37.12: Job failed: Failed: Build failed