2026-06-25 14:39.18: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-13-5.5_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4Opam project buildTo reproduce locally:git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4# debian-13-5.5_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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-BLOCK2026-06-25 14:39.18: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4-debian-13-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.18: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4)(comment debian-13-5.5_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 (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --oneline"))(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 "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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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")))2026-06-25 14:39.18: Waiting for resource in pool OCluster2026-06-25 15:11.16: Waiting for worker…2026-06-25 15:17.05: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4)Unable to find image 'ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4' locallydocker.io/ocaml/opam@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4: Pulling from ocaml/opamef1b08ddd59d: Already exists4be7c24ca8ee: Already exists05da861ea237: Already exists8f1be68e1863: Already exists962a521ff79f: Already exists4355eac69067: Already existsf117722b2d11: Already existsa16e9bb77185: Already exists78d92c79e1de: Already existsb678657777d1: Already existsd8ffd0023eb2: Already exists3f61de3f7389: Already exists9eba3392dbeb: Already exists1f24a992a9f0: Already exists27510d0dd50a: Already exists2856754bb498: Already exists2856754bb498: Already exists79eebcca3782: Already exists4878ed0874c4: Already exists2a7a1359c1bd: Already existsa30084a3341d: Already exists4f4fb700ef54: Already existsf26b54c73d9e: Already existsf7b0fd900d70: Already exists83a223ff55a1: Already exists6fc3c60f5e79: Already exists9cea23387665: Already exists3c4d93aeba05: Already exists44348d840700: Already exists5893e1a583b2: Already exists694a9c1e510b: Already exists3faa91a6cf3d: Already exists5fec9cf7363e: Already existsfa0e0f649f8d: Already exists75da1c97479e: Already existsf37a56d09091: Already exists7c0b0eda3e68: Already exists3df7fcf27f23: Already exists1af977c4a535: Already exists87f0ca695158: Already existsb9baadac1984: Pulling fs layer6f49f59b0237: Pulling fs layerda300e2ae937: Pulling fs layerfdcf699d7b28: Pulling fs layer75786cdf6a69: Pulling fs layer53147f328c60: Pulling fs layeref963fae931b: Pulling fs layerb9baadac1984: Waiting75786cdf6a69: Waitingfdcf699d7b28: Waitingda300e2ae937: Waiting53147f328c60: Waiting6f49f59b0237: Waitingef963fae931b: Waitingb9baadac1984: Pull complete6f49f59b0237: Verifying Checksum6f49f59b0237: Download complete6f49f59b0237: Pull completeda300e2ae937: Verifying Checksumda300e2ae937: Download completeda300e2ae937: Pull complete75786cdf6a69: Verifying Checksum75786cdf6a69: Download complete53147f328c60: Verifying Checksum53147f328c60: Download completeef963fae931b: Download completefdcf699d7b28: Verifying Checksumfdcf699d7b28: Download completefdcf699d7b28: Pull complete75786cdf6a69: Pull complete53147f328c60: Pull completeef963fae931b: Pull completeDigest: sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4Status: Downloaded newer image for ocaml/opam@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e42026-06-25 15:17.09 ---> using "054811d928668669e2829137f96dd8c1e7659661f194e31cf4fc8afeb89b68ce" from cache/: (comment debian-13-5.5_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"))2026-06-25 15:17.10 ---> using "09c65482b1b12d0864db36c47f562c7773c815deeb1a50c13dcb414a866ca7e1" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADb85f65c75d..ceed23f9d3 master -> origin/master2569983dbf Merge pull request #30085 from Octachron/OCaml_5.5.0_fix_relocatable_build2026-06-25 15:17.10 ---> using "88a413791b944b7fe8bb9763556c35b7752448770cffc99980bacab35adc5b1b" 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 2.1 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 1 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=1 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-25 15:17.11 ---> using "74c57d263950dee3526c5fbeaa5ee5ef05e8fd94e959fccdfe3ea1eca7f758ca" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-25 15:17.12 ---> using "0de2395eddce1e2b4cd77938a705e7aa003b609ddb54173774677de95fc8c435" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:17.12 ---> using "1b4e8b2fe1e444e99b2e46742b0dfe92d117c7bd4c7275028a3aefcbf28c1ec9" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryThe following actions will be performed:=== recompile 7 packages- recompile base-domains base [uses ocaml]- recompile base-effects base [uses ocaml]- recompile base-nnp base [uses base-domains]- recompile ocaml 5.5.0 [uses ocaml-base-compiler]- recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler]- recompile ocaml-compiler 5.5.0 [upstream or system changes]- recompile opam-depext 1.2.3 [uses ocaml]=== install 1 package- install compiler-cloning enabled [required by ocaml-compiler]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved ocaml.5.5.0 (cached)-> removed base-effects.base-> removed base-nnp.base-> removed base-domains.base-> installed compiler-cloning.enabled-> retrieved ocaml-compiler.5.5.0 (cached)-> retrieved opam-depext.1.2.3 (cached)-> removed opam-depext.1.2.3-> removed ocaml.5.5.0-> removed ocaml-base-compiler.5.5.0-> removed ocaml-compiler.5.5.0-> installed ocaml-compiler.5.5.0-> installed ocaml-base-compiler.5.5.0-> installed ocaml.5.5.0-> installed base-domains.base-> installed base-effects.base-> installed base-nnp.base-> installed opam-depext.1.2.3Done.<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead<><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>=> This switch had to be compiled from sources, but future switches with the 🐌same compiler version and configuration should assemble instantly.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.14 ---> using "a90a97f5d5196fc677b9addee0992142b3fa792288ce166d17c9b2fc0c84ddb4" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:17.14 ---> using "1f6321f46cc23520d37df12be4d933f9682c1cfe6becf9ec3e0d440f783cf378" 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)2026-06-25 15:17.14 ---> using "240ab945b66381282d2b4923787beb43f26d4466ed6374c5a2776972e1dc173c" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:17.14 ---> using "704dc23cac19a62f46619d0b69810a4742f2d06fbfa5529dfeea71c4e8c86956" from cache/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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 amd64 Packages [222 kB]- Fetched 313 kB in 0s (2734 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-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains 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)2026-06-25 15:17.15 ---> using "2ecea7819f0f36add23ba03600fb60f7fca1585215e9cc8ff166d7cb8ea2a11d" 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-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains 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 3.23.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.23.1 (cached)-> installed dune.3.23.1Done.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.18 ---> saved as "4fce27817f0d0013919d5fc0932307f070db9c7ffaa3a31def715f6cebe4fccc"/src: (copy (src .) (dst /src))2026-06-25 15:17.41 ---> saved as "ac0ababa7f1d0d1ca1f9abed305967d0c12ec8d807431d881bfc536778b627ec"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))File "dune", line 14, characters 7-11:14 | (name test)^^^^(cd _build/default && ./test.exe)Fatal error: exception File "test.ml", line 85, characters 2-8: Assertion failed"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-06-25 15:17.56: Job failed: Failed: Build failed