2026-04-13 10:22.21: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/persistent-bit-vectors (459b76d4286b3fd31297aa41766da2762554a426) (linux-x86_64:debian-13-4.14_x86_32_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9 Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" -b "persistent-bit-vectors" && cd "bitv" && git reset --hard 459b76d4 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9 # debian-13-4.14_x86_32_opam-2.5 USER 1000:1000 SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ] ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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 --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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-13 10:22.21: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9-debian-13-4.14_x86_32_opam-2.5-1aa9b83d821bd66ff831e523a4626b65" 2026-04-13 10:22.21: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9) (comment debian-13-4.14_x86_32_opam-2.5) (user (uid 1000) (gid 1000)) (shell /usr/bin/linux32 /bin/sh -c) (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 10:22.21: Waiting for resource in pool OCluster 2026-04-13 11:49.27: Waiting for worker… 2026-04-13 11:53.12: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at 459b76d sets over a given universe (from ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9) Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9' locally docker.io/ocaml/opam@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9: Pulling from ocaml/opam a59dab062b6e: Already exists 4c235f9505d7: Pulling fs layer 2fd1e3aa020e: Pulling fs layer 4c235f9505d7: Waiting a3ffcc28d7c3: Pulling fs layer 2fd1e3aa020e: Waiting 061b92ac769b: Pulling fs layer a3ffcc28d7c3: Waiting b76f3d7c2af7: Pulling fs layer 66cd1ae705c1: Pulling fs layer 061b92ac769b: Waiting b76f3d7c2af7: Waiting 9ac7fe9595c0: Pulling fs layer 66cd1ae705c1: Waiting a1013b12591b: Pulling fs layer c0856ae5c8d4: Pulling fs layer 9ac7fe9595c0: Waiting a1013b12591b: Waiting 2764f83aed88: Pulling fs layer c0856ae5c8d4: Waiting 893b77e8a916: Pulling fs layer 3d20196a830c: Pulling fs layer 893b77e8a916: Waiting 2764f83aed88: Waiting ca6160c3741c: Pulling fs layer c9a674e94918: Pulling fs layer 238881b0392b: Pulling fs layer ca6160c3741c: Waiting c9a674e94918: Waiting 3e665f7165f7: Pulling fs layer 238881b0392b: Waiting 3e665f7165f7: Waiting 5f40d4708a45: Pulling fs layer 2947e4d19816: Pulling fs layer 5f40d4708a45: Waiting 3a8fb23bb980: Pulling fs layer 2947e4d19816: Waiting 92669fcd8348: Pulling fs layer 4f4fb700ef54: Pulling fs layer 3a8fb23bb980: Waiting 0a31b13e66a5: Pulling fs layer 92669fcd8348: Waiting 4f4fb700ef54: Waiting 694767fb237d: Pulling fs layer 0d2988982386: Pulling fs layer ed5e56d1e3fa: Pulling fs layer 694767fb237d: Waiting 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2947e4d19816: Pull complete 3a8fb23bb980: Pull complete 92669fcd8348: Pull complete 4f4fb700ef54: Pull complete 0a31b13e66a5: Pull complete 694767fb237d: Pull complete 0d2988982386: Pull complete ed5e56d1e3fa: Pull complete 82f429e96ca4: Pull complete d87cbffcc7bd: Pull complete de8b16f76673: Pull complete 5806d8c9d3b4: Pull complete d989ea0e37d7: Pull complete 644b8f5f3fcb: Pull complete 95f25e02036b: Pull complete 0c0ebd0d8440: Pull complete a1ee4cc749f0: Pull complete 9053ed7febc6: Pull complete b5713a5a315b: Pull complete 2abf82d9c339: Pull complete d114ea9e0492: Pull complete 2fd9c0ba772e: Pull complete 2d11e77b9623: Pull complete 70eb3e9f1a70: Pull complete da16f412d833: Pull complete 04cee66bc9f8: Pull complete Digest: sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9 Status: Downloaded newer image for ocaml/opam@sha256:af2a591d3a50b01d6f006a51ecfd41be9e5b14154edb55c465d23a277db8b3a9 2026-04-13 11:54.59 ---> saved as "61d5d79f3da8f7f26fc645675b726d202a6c1b0341910bde2599c5557cb0805e" /: (comment debian-13-4.14_x86_32_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (shell /usr/bin/linux32 /bin/sh -c) /: (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 11:55.00 ---> saved as "bad6ca1bff1ea57691fe8234a75bef82158bb4dc23afc51b214d8276a971126f" /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 Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-13 11:55.41 ---> saved as "21678adc8d7e61ef8f9bbe74390717781bc5fd7a179467a17fd01f60bac4b595" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-107-generic The OCaml toplevel, version 4.14.3 2.5.0 2026-04-13 11:55.42 ---> saved as "9e8a79a144381b977f34ac02a0913d739705acc7eed84262d916f73fed9f40d1" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-13 11:55.42 ---> saved as "37421162f28b0e8320ff6a8bdb9f10385f96048dc473f0572049401a0b08c00d" /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-repository Everything 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 11:55.59 ---> saved as "868f13ddaba2dfb17ce616db8d2a39ddf39ef739d5097f5fbd2e6ae1bee93d34" /src: (copy (src bitv.opam) (dst ./)) 2026-04-13 11:55.59 ---> saved as "2f55879a1660414e2c397fca804f79ade44f08e28fd919faf947a34e175d07ac" /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 11:56.01 ---> saved as "83c24e0acdf0b251e676f251c46de6883baec0081e21d4c4c174775edd42017c" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-13 11:56.01 ---> saved as "ff098099562c8565eb84af39356b7d5e81dfa539cebf2926f297d430296d1943" /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 i386 Packages [115 kB] - Fetched 206 kB in 0s (1247 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 11:56.14 ---> saved as "5982338a1074a97ef79e84e73e16a529afa39dbd603bc621d9717ea51671059a" /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.3.22.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-13 11:56.53 ---> saved as "9359bf044fd3c4952d22d74db595da403f5fe36f74fb2a240325c2860bb77813" /src: (copy (src .) (dst /src)) 2026-04-13 11:56.53 ---> saved as "c426072683105a693e0df35efb3f5b8e3d68204f0f6c2626f980a3505485b3b6" /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(struct 150 | include String 151 | let print = Format.pp_print_string 152 | end) Error: Modules do not match: sig type t = string val make : int -> char -> t val init : int -> (int -> char) -> t val empty : t val of_bytes : bytes -> t val to_bytes : t -> bytes external length : t -> int = "%string_length" external get : t -> int -> char = "%string_safe_get" val concat : t -> t list -> t val cat : t -> t -> t val equal : t -> t -> bool val compare : t -> t -> int val starts_with : prefix:t -> t -> bool val ends_with : suffix:t -> t -> bool val contains_from : t -> int -> char -> bool val rcontains_from : t -> int -> char -> bool val contains : t -> char -> bool val sub : t -> int -> int -> t val split_on_char : char -> t -> t list val map : (char -> char) -> t -> t val mapi : (int -> char -> char) -> t -> t val fold_left : ('a -> char -> 'a) -> 'a -> t -> 'a val fold_right : (char -> 'a -> 'a) -> t -> 'a -> 'a val for_all : (char -> bool) -> t -> bool val exists : (char -> bool) -> t -> bool val trim : t -> t val escaped : t -> t val uppercase_ascii : t -> t val lowercase_ascii : t -> t val capitalize_ascii : t -> t val uncapitalize_ascii : t -> t val iter : (char -> unit) -> t -> unit val iteri : (int -> char -> unit) -> t -> unit val index_from : t -> int -> char -> int val index_from_opt : t -> int -> char -> int option val rindex_from : t -> int -> char -> int val rindex_from_opt : t -> int -> char -> int option val index : t -> char -> int val index_opt : t -> char -> int option val rindex : t -> char -> int val rindex_opt : t -> char -> int option val to_seq : t -> char Seq.t val to_seqi : t -> (int * char) Seq.t val of_seq : char Seq.t -> t val get_utf_8_uchar : t -> int -> Uchar.utf_decode val is_valid_utf_8 : t -> bool val get_utf_16be_uchar : t -> int -> Uchar.utf_decode val is_valid_utf_16be : t -> bool val get_utf_16le_uchar : t -> int -> Uchar.utf_decode val is_valid_utf_16le : t -> bool external create : int -> bytes = "caml_create_string" external set : bytes -> int -> char -> unit = "%string_safe_set" val blit : t -> int -> bytes -> int -> int -> unit val copy : t -> t val fill : bytes -> int -> int -> char -> unit val uppercase : t -> t val lowercase : t -> t val capitalize : t -> t val uncapitalize : t -> t val get_uint8 : t -> int -> int val get_int8 : t -> int -> int val get_uint16_ne : t -> int -> int val get_uint16_be : t -> int -> int val get_uint16_le : t -> int -> int val get_int16_ne : t -> int -> int val get_int16_be : t -> int -> int val get_int16_le : t -> int -> int val get_int32_ne : t -> int -> int32 val get_int32_be : t -> int -> int32 val get_int32_le : t -> int -> int32 val get_int64_ne : t -> int -> int64 val get_int64_be : t -> int -> int64 val get_int64_le : t -> int -> int64 external 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 -> unit end is not included in Bitv__Pbv.UNIVERSE The value `hash' is required but not provided File "pbv.mli", line 141, characters 2-20: Expected declaration (cd _build/default && /home/opam/.opam/4.14/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 -w -32 -g -I .bitv.objs/byte -I .bitv.objs/native -intf-suffix .ml -no-alias-deps -opaque -open Bitv__ -o .bitv.objs/native/bitv__Pbv.cmx -c -impl pbv.ml) File "pbv.ml", line 508, characters 22-33: 508 | let bits x = x land 0xFFFF_FFFF ^^^^^^^^^^^ Error: Integer literal exceeds the range of representable integers of type int (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 .bitv.objs/byte -intf-suffix .ml -no-alias-deps -opaque -open Bitv__ -o .bitv.objs/byte/bitv__Pbv.cmo -c -impl pbv.ml) File "pbv.ml", line 508, characters 22-33: 508 | let bits x = x land 0xFFFF_FFFF ^^^^^^^^^^^ Error: Integer literal exceeds the range of representable integers of type int "/usr/bin/linux32" "/bin/sh" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-04-13 11:56.54: Job failed: Failed: Build failed