2026-03-19 08:03.37: 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@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e 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@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e # debian-13-4.14_opam-2.5 USER 1000:1000 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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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.3.22.0 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 $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 2026-03-19 08:03.37: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e-debian-13-4.14_opam-2.5-7de46f6fb3fd4fabd93dc7ff70b32953" 2026-03-19 08:03.37: 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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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.3.22.0 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")) ) 2026-03-19 08:03.37: Waiting for resource in pool OCluster 2026-03-19 08:41.35: Waiting for worker… 2026-03-19 08:44.50: Got resource from pool OCluster Building on eumache All commits already cached HEAD 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' locally docker.io/ocaml/opam@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e: Pulling from ocaml/opam 866771c43bf5: Already exists 1e49bea09367: Already exists e793768537e6: Already exists ed323d3d481a: Already exists 7df34a5cd5f1: Already exists fd712d3eb935: Already exists 4b9fb8c99118: Already exists 9d9a01948b94: Already exists 0f1514f90b32: Already exists e1ec5a753447: Already exists 03cc323e2f71: Already exists c09c08ea9749: Already exists b36b619f8e6b: Already exists 195344ca5274: Already exists 228ee78582a6: Already exists 504bde1c25b3: Already exists 9d8b1356c89f: Already exists 9d8b1356c89f: Already exists 568fb6dda155: Already exists c499c9198aea: Already exists 048e5e358118: Already exists 871ca48eb45d: Already exists 4f4fb700ef54: Already exists a5a2568b9df9: Already exists 068cf3106ac8: Already exists 559f54ec9b29: Already exists 798ffd96fde5: Already exists e9a891bf80d7: Already exists d720cfe12674: Already exists c81c932f4a91: Already exists 79f24fa3bb11: Already exists 8c1debcd8c20: Already exists 1bb2cfea7250: Already exists 2b3d3ca75e4c: Already exists 557cacaf263c: Already exists d10483022eef: Already exists 7b62a90d8223: Already exists 28ce8ea66e72: Already exists d975909ea717: Already exists 5c215c69c247: Already exists e7c082452a54: Already exists d1a4c61b613c: Already exists 0195a6679dc6: Already exists 410dfa46d7be: Already exists b7b221f39cbe: Already exists Digest: sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e Status: Downloaded newer image for ocaml/opam@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e 2026-03-19 08:44.50 ---> using "32cd5b5baf995c02200cf270da597dbb25becd220af2c200c00b8b241a742195" from cache /: (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")) 2026-03-19 08:44.50 ---> using "4f6fce958d04f3556d9966164b27c526850b5628d97aa27e8227ff9981dadf3b" 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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-03-19 08:44.50 ---> using "b3d41437327cedff938f58dd906824b8c1107d34bcf5f841f652391a9fbc2673" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-03-19 08:44.50 ---> using "942017a51cbbb8dadbbb849e2bf72676b33a1a2fd2e059ea93f69cbfbbf3917c" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-03-19 08:44.50 ---> using "f93f55042adcd01845938c5eedad49ad8e941dac727eab4e47b378c7bcaa3d06" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..9f189ca4f9 master -> origin/master 9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0 <><> 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) 2026-03-19 08:44.50 ---> using "93d219c74de6587720ac8d32674eef8bc596a898447dd751c3ce6121f6771b4d" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-03-19 08:44.50 ---> using "f6bb26306d9bbce4b237c17d7487fda1759e237009ca15c9591840436fb76e14" 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) 2026-03-19 08:44.50 ---> using "d5dd324c433dfd43c29d47c60295fbfec003e50e81e546ad784a772cb31ada1b" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-19 08:44.50 ---> using "c4dea1c8456d119cdc588f2fee4bc7d70ca948b2de34841c189b21a38ec76d02" from cache /src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.0 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 [115 kB] - Fetched 10.0 MB in 2min 41s (62.3 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) 2026-03-19 08:44.50 ---> using "a5574375825a465047883dfe79598efe40e3c54884364830b24c3220dbb50807" 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 4.14.2). [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 3.22.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.22.0 (cached) -> installed dune.3.22.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-03-19 08:44.50 ---> using "4a2d6047b73c8241d4bcd174bdecae405e96e205946a595201af86a2fe9fe057" from cache /src: (copy (src .) (dst /src)) 2026-03-19 08:44.52 ---> saved as "435a5fd5e743bba8cae5ab0e32d8b788b17d44af6049f18a83bc0c0a59fb0ada" /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 "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-03-19 08:44.54: Job failed: Failed: Build failed