2026-05-05 14:40.50: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:fedora-43-5.4_opam-2.5)Base: ocaml/opam:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353bOpam 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:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b# fedora-43-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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 a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && 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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 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-BLOCK2026-05-05 14:40.50: Using cache hint "backtracking/bitv-ocaml/opam:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b-fedora-43-5.4_opam-2.5-30931579a18167e7e10ec02cfb92df28"2026-05-05 14:40.50: Using OBuilder spec:((from ocaml/opam:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b)(comment fedora-43-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(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 a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && 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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 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")))2026-05-05 14:40.50: Waiting for resource in pool OCluster2026-05-05 17:21.43: Waiting for worker…2026-05-05 17:27.04: Got resource from pool OClusterBuilding on laodoke.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b)Unable to find image 'ocaml/opam:fedora-43-ocaml-5.4@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b' locallydocker.io/ocaml/opam@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b: Pulling from ocaml/opam5bc90b3315da: Already exists80d71788ea9e: Already existsad80df798a1c: Already existscd85517f6ae1: Already existsa927948f92fa: Already exists4433c52b5ab1: Already exists8aa93bc8ca93: Already exists7d31cd7e9a9b: Already exists959a5be6bfab: Already exists6569047248d7: Already existsa01a3ff02f3d: Already exists8b1106fd8e03: Already exists61c97bcc90cd: Already existsb9124a8b6c28: Already existsd2c94cd49c4c: Already exists0e63679d7dbc: Already exists0e63679d7dbc: Already exists6819a31cdb14: Already exists1d67c4c09922: Already exists3f456f1cc39a: Already exists6afff2ae07da: Already exists4f4fb700ef54: Already exists90c294795090: Already existsd7c6287626d1: Already exists0e6719fd9f6d: Already exists53830a3a67c9: Already existsb407be133f08: Already exists951a5932e150: Already existsdcc0f382cd80: Already existsd3cdec43bf88: Already existsd69ff9f37121: Already existscfcfca2848c7: Already exists08269f8e9f88: Already exists3e59769da2fa: Already existsa1004eb1842a: Already exists3a6ed7e0720e: Already exists5503bfbdb082: Already exists4685c134845d: Already exists67f122543075: Already existsd60a75d560f5: Already existsd1f1983b7a0a: Pulling fs layerd9c0eec06d5d: Pulling fs layer453380662f6c: Pulling fs layer4d090674c42b: Pulling fs layerbbd88afdcdf3: Pulling fs layer4d090674c42b: Waitingbbd88afdcdf3: Waiting453380662f6c: Verifying Checksum453380662f6c: Download complete4d090674c42b: Verifying Checksum4d090674c42b: Download completed1f1983b7a0a: Download completebbd88afdcdf3: Verifying Checksumbbd88afdcdf3: Download completed1f1983b7a0a: Pull completed9c0eec06d5d: Verifying Checksumd9c0eec06d5d: Download completed9c0eec06d5d: Pull complete453380662f6c: Pull complete4d090674c42b: Pull completebbd88afdcdf3: Pull completeDigest: sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353bStatus: Downloaded newer image for ocaml/opam@sha256:1e9dda7946898ac0fc2707683dc6e9df38da5cce0d82ff3862f12ad24cdd353b2026-05-05 17:27.07 ---> using "b4f58bf638be103d120971146d8fc126e9b3a8c46e3a4588789af4c5e1fccda0" from cache/: (comment fedora-43-5.4_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 43 - x86_64 100% | 34.2 KiB/s | 21.5 KiB | 00m01sFedora 43 openh264 (From Cisco) - x86_ 100% | 2.7 KiB/s | 986.0 B | 00m00sFedora 43 - x86_64 - Updates 100% | 27.1 KiB/s | 5.6 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-6.fc43.x86_64" is already installed.Nothing to do.2026-05-05 17:27.07 ---> using "524735b077c9512b6910eb61394d9eebef016b7d107d4d7b79adf23a8d11090c" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-05-05 17:27.07 ---> using "8cfb01e840492959ff95d3d5b6f59f80dfb7be314774547e49c6b970bb5e1d00" 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[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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-05-05 17:27.07 ---> using "62a4127ab24cb770a3f441b63fbbb50777e0a9c11a35360cd84ef49dd3bfeb23" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-110-genericThe OCaml toplevel, version 5.4.12.5.02026-05-05 17:27.07 ---> using "201ad514b21b8e45f6ee307ccc16011d93b1898dc3d1c414ee43a01f6017ca08" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-05 17:27.07 ---> using "0ea47d1513ca38b3e93e2d568380f3532c58d7ee39e5227e7b3a1d92427960eb" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD42844088d7..a70af20c71 master -> origin/mastera70af20c71 Merge pull request #29844 from shonfeder/release-dune-3.23.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositorydefault (at git+file:///home/opam/opam-repository):[WARNING] opam is out-of-date. Please consider updating it (https://opam.ocaml.org/doc/Install.html)default (at git+file:///home/opam/opam-repository):[INFO] opam 2.5.1 includes security fixes; please consider upgrading (https://opam.ocaml.org/doc/Install.html)Everything as up-to-date as possibleHowever, 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)2026-05-05 17:27.07 ---> using "4c885bc77544304a1cf34c879544136fca28c4d4f20ba68264a7f29287b57aa2" from cache/src: (copy (src bitv.opam) (dst ./))2026-05-05 17:27.07 ---> saved as "74f6d54cc902b6f0727b0fb06721982389ef6e07cd82955c2cc499566b3bf066"/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)2026-05-05 17:27.09 ---> saved as "4b993462f7c1c89f27924fc09692fa4c304e057f416ff14db0a62babb45bbe76"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-05 17:27.09 ---> saved as "4cbf382e99d02663d652efd5714699cde04c981af2331d1bb099beecb7fe8283"/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 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/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Repositories loaded.- Metadata cache created.<><> 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 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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)2026-05-05 17:27.19 ---> saved as "f71f40698c97d9be53f024357d6e076af7427d298d50b212c8a844501383ff57"/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 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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 3.23.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.23.0 (cached)-> installed dune.3.23.0Done.# To update the current shell environment, run: eval $(opam env)2026-05-05 17:28.08 ---> saved as "d744e57ba39d5f7b7722ce59ec3e020caa87c4d8669639519cb3b7990d826211"/src: (copy (src .) (dst /src))2026-05-05 17:28.08 ---> saved as "edd162727deaf09c9012ba0df8b23383031adee16373dc7d69471bd291ed8f05"/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 12026-05-05 17:28.09: Job failed: Failed: Build failed