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:debian-13-4.14_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41eOpam 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@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e# debian-13-4.14_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:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e-debian-13-4.14_opam-2.5-fa30f036ab67ee4b487207bc0d6e12de"2026-04-03 11:35.30: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)(comment debian-13-4.14_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 11:41.12: Waiting for worker…2026-04-03 11:43.22: Got resource from pool OClusterBuilding on doris.caelum.ci.devAll commits already cachedHEAD is now at 459b76d sets over a given universe(from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e' locallydocker.io/ocaml/opam@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e: Pulling from ocaml/opam866771c43bf5: Already exists1e49bea09367: Already existse793768537e6: Already existsed323d3d481a: Already exists7df34a5cd5f1: Already existsfd712d3eb935: Already exists4b9fb8c99118: Already exists9d9a01948b94: Already exists0f1514f90b32: Already existse1ec5a753447: Already exists03cc323e2f71: Already existsc09c08ea9749: Already existsb36b619f8e6b: Already exists195344ca5274: Already exists228ee78582a6: Already exists504bde1c25b3: Already exists9d8b1356c89f: Already exists9d8b1356c89f: Already exists568fb6dda155: Already existsc499c9198aea: Already exists048e5e358118: Already exists871ca48eb45d: Already exists4f4fb700ef54: Already existsa5a2568b9df9: Already exists068cf3106ac8: Already exists559f54ec9b29: Already exists798ffd96fde5: Already existse9a891bf80d7: Already existsd720cfe12674: Already existsc81c932f4a91: Already exists79f24fa3bb11: Already exists8c1debcd8c20: Already exists1bb2cfea7250: Already exists2b3d3ca75e4c: Already exists557cacaf263c: Already existsd10483022eef: Already exists7b62a90d8223: Already exists28ce8ea66e72: Already existsd975909ea717: Already exists5c215c69c247: Already existse7c082452a54: Already existsd1a4c61b613c: Pulling fs layer0195a6679dc6: Pulling fs layer410dfa46d7be: Pulling fs layerb7b221f39cbe: Pulling fs layerd1a4c61b613c: Waitingb7b221f39cbe: Waiting0195a6679dc6: Waiting410dfa46d7be: Waitingd1a4c61b613c: Verifying Checksumd1a4c61b613c: Download complete0195a6679dc6: Verifying Checksum0195a6679dc6: Download complete410dfa46d7be: Verifying Checksum410dfa46d7be: Download completeb7b221f39cbe: Download completed1a4c61b613c: Pull complete0195a6679dc6: Pull complete410dfa46d7be: Pull completeb7b221f39cbe: Pull completeDigest: sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41eStatus: Downloaded newer image for ocaml/opam@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e2026-04-03 11:43.45 ---> saved as "32cd5b5baf995c02200cf270da597dbb25becd220af2c200c00b8b241a742195"/: (comment debian-13-4.14_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 11:43.45 ---> saved as "4f6fce958d04f3556d9966164b27c526850b5628d97aa27e8227ff9981dadf3b"/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] Initialised2026-04-03 11:44.09 ---> saved as "b3d41437327cedff938f58dd906824b8c1107d34bcf5f841f652391a9fbc2673"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-106-genericThe OCaml toplevel, version 4.14.22.5.02026-04-03 11:44.10 ---> saved as "942017a51cbbb8dadbbb849e2bf72676b33a1a2fd2e059ea93f69cbfbbf3917c"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 11:44.10 ---> saved as "f93f55042adcd01845938c5eedad49ad8e941dac727eab4e47b378c7bcaa3d06"/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_HEADffb54b9bdd..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 11:44.28 ---> saved as "b74d0f9a72405e05c132978bf06c5ab87007d519f733b75938a555e773971995"/src: (copy (src bitv.opam) (dst ./))2026-04-03 11:44.28 ---> saved as "3408adfe3e36654df8ff007bcc4ebfa7720e7b763b88b819ce852a53736fc5e2"/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 11:44.30 ---> saved as "efcb9c6dacd2eac43ec9ff6a2614fda63ce8c70e86549d2ee8e993f3391c1315"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 11:44.30 ---> saved as "3d585ed39106fc00a10248fee7d6dae2a7ac41d89e156754f74be73522c15901"/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 "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 [9671 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [119 kB]- Fetched 10.0 MB in 28s (356 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 4.14.2).[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 11:45.07 ---> saved as "302a049750305858f1933a70ab2b4c00b84fc9b5ff39597104546cfcdf6da745"/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 11:45.37 ---> saved as "5202b08ce228a1a20c5b12f98f517306412b47e19ea6e1c18ed21b6a3208b364"/src: (copy (src .) (dst /src))2026-04-03 11:45.38 ---> saved as "a64526fe70d0039a7ded978d5f89d78b47b59e0e6f0932fb5c1522f494f45a34"/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 11:45.39: Job failed: Failed: Build failed