2026-04-03 11:35.30: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/persistent-bit-vectors (459b76d4286b3fd31297aa41766da2762554a426) (linux-x86_64:opensuse-16.0-4.14_opam-2.5)Base: ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324Opam 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:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324# opensuse-16.0-4.14_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.4.14.2 ocaml-base-compiler.4.14.2 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-BLOCK2026-04-03 11:35.30: Using cache hint "backtracking/bitv-ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324-opensuse-16.0-4.14_opam-2.5-fa30f036ab67ee4b487207bc0d6e12de"2026-04-03 11:35.30: Using OBuilder spec:((from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324)(comment opensuse-16.0-4.14_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-2.5 /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.4.14.2 ocaml-base-compiler.4.14.2 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")))2026-04-03 11:35.30: Waiting for resource in pool OCluster2026-04-03 11:41.01: Waiting for worker…2026-04-03 11:43.11: Got resource from pool OClusterBuilding on eumache.caelum.ci.devAll commits already cachedHEAD is now at 459b76d sets over a given universe(from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324)Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324' locallydocker.io/ocaml/opam@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324: Pulling from ocaml/opam64cfa2a65095: Already exists7b581e71db22: Already exists0d9a5a107b9b: Already exists357b95083b04: Already exists3658f63fcffa: Already exists5f00ec28670a: Already existsd5429ba7ea96: Already exists1e2abec3e48a: Already existsa459d1a5da3b: Already exists2168339905af: Already exists165752543076: Already exists72d1a62a8420: Already exists7a8e0b1e89ad: Already existsf363e37deee9: Already existsaa8207662583: Already exists7993a7002f90: Already existsb555b5cbc6e7: Already exists00bcd96691ba: Already existse7d8a4a03644: Already exists4f4fb700ef54: Already existsb84d3b76e0e8: Already exists32f29cbbfa56: Already existsd591940d5bfc: Already existsa9c4ab92f613: Already existsc84b77db6559: Already exists4a817e492857: Already exists8989192c74fe: Already exists0c77f911b4ac: Already exists127679045d22: Already exists703641514dec: Already exists355713e56611: Already existsb077b32f3467: Already exists5fac5a53a6e0: Already exists135be594b6b0: Already exists8c4f627de9a8: Already existsddcab00bd8b5: Already exists8cc53bc399b9: Already existscc314699ebb3: Already exists21f9192bbdbc: Already existsc253b21f5645: Already exists7897251b4390: Already exists6541215dbcde: Already existsDigest: sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff7324Status: Downloaded newer image for ocaml/opam@sha256:92c28e22e95b118557cf2fee7cdb3bd1df67691136ca51918b0bed6ab9ff73242026-04-03 11:43.12 ---> using "176b78d4712c07b55d53abc789f23e917c1c9b9dc68c6cb518e960b046403981" from cache/: (comment opensuse-16.0-4.14_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-2.5 /usr/bin/opam"))2026-04-03 11:43.12 ---> using "b6f6a6f00cb1450f9e7123a84f7e80afdd7481c9032730bab3f3e337082bf8b0" 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.[NOTE] The 'jobs' option was reset, its value was 255 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=255 --globalContinue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-03 11:43.12 ---> using "fe38bb56cfbd97c95b1f00743ad5c5b765e061706cd3b49f6178cc785154d43e" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-173-genericThe OCaml toplevel, version 4.14.22.5.02026-04-03 11:43.12 ---> using "b85b52fbc79e3a4889afee6ac2ee7195a84ea3a71c372685a17d14d4dc1eb92b" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 11:43.12 ---> using "01d7fc4bde2dfa7c72b3c493fcb7a20001c59e42b025f59474209a807df21aaa" 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"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4f056bfedf..2a4b439041 master -> origin/masterd06cfb1853 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)2026-04-03 11:43.12 ---> using "78ebf502f08347208a4d276042d6e718603a291160f79b224f64a43abe953941" from cache/src: (copy (src bitv.opam) (dst ./))2026-04-03 11:43.13 ---> saved as "4cc478b048245013ab1c5545165ac9a160f7df1e3c233758fc54235e2206315d"/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)2026-04-03 11:43.14 ---> saved as "7c3bc3b001213c47f5fa59e25938fe4da0062bc8900ce6bf767a4067b25249f9"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 11:43.14 ---> saved as "e8ff01e3ca27b4e29ae415abbe1463432b5dada28be345f4d7f4bab70d435f77"/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 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 "zypper" "--non-interactive" "refresh"- Repository 'repo-openh264 (16.0)' is up to date.- Retrieving repository 'repo-oss (16.0)' metadata [..- Looking for gpg keys in repository repo-oss (16.0).- gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key- .- .-- Note: Received 1 new package signing key from repository "repo-oss (16.0)":-- Those additional keys are usually used to sign packages shipped by the repository. In order to- validate those packages upon download and installation the new keys will be imported into the rpm- database.-- New:- Key Fingerprint: F044 C2C5 07A1 262B 538A AADD 8A49 EB03 25DB 7AE0- Key Name: openSUSE:Backports OBS Project <openSUSE:Backports@build.opensuse.org>- Key Algorithm: RSA 4096- Key Created: Wed May 10 14:46:12 2023- Key Expires: Sun May 9 14:46:12 2027- Rpm Name: gpg-pubkey-25db7ae0-645bae34-- The repository metadata introducing the new keys have been signed and validated by the trusted- key:-- Repository: repo-oss (16.0)- Key Fingerprint: AD48 5664 E901 B867 051A B15F 35A2 F86E 29B7 00A4- Key Name: openSUSE Project Signing Key <opensuse@opensuse.org>- Key Algorithm: RSA 4096- Key Created: Mon Jun 20 14:03:14 2022- Key Expires: Fri Jun 19 14:03:14 2026 (expires in 77 days)- Rpm Name: gpg-pubkey-29b700a4-62b07e22-- ..- .......- .........- .........- .........- .........- .........- .........- ..........- ....done]- Building repository 'repo-oss (16.0)' cache [..- ..done]- All repositories have been refreshed.<><> 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 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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)2026-04-03 11:43.42 ---> saved as "19c605959a8c3b6df912a3035979e8cac5ba8f5a6d5f19e0b9bc93dc28faf511"/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 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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)2026-04-03 11:44.22 ---> saved as "65dcb365606e69201c2775d17d117ebcdeccf9869a10414345f62cf46adb4013"/src: (copy (src .) (dst /src))2026-04-03 11:44.23 ---> saved as "f24169960ec30b0b38e18256b4be668c87e43cf6730ab4d48df059c9cb7a6641"/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 12026-04-03 11:44.24: Job failed: Failed: Build failed