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-12-5.5_opam-2.5)Base: ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0Opam 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-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0# debian-12-5.5_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-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0-debian-12-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.18: Using OBuilder spec:((from ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0)(comment debian-12-5.5_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 15:11.17: Waiting for worker…2026-06-25 15:15.49: Got resource from pool OClusterBuilding on phoebe.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0)Unable to find image 'ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0' locallydocker.io/ocaml/opam@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0: Pulling from ocaml/opam01cedcff86f8: Already exists9bf581ba34fd: Already exists6c4bd78e0c43: Already exists799649323729: Already exists1ae4fb0c8a4a: Already existsb237ecdf51a3: Already existsb16ee2e05313: Already existsadb989234928: Already existse3a01a28a7ad: Already existsca0e54137564: Already existse88b1a083917: Already existsd10f17e04c11: Already existsd38ea67f8871: Already exists8153ec1c4f57: Already exists0546e39b6053: Already exists5ebdad05b03e: Already exists6435672f1863: Already exists5c5711f4465e: Already exists7264e6096409: Already exists2202cd0e879d: Already existsc31277fa0297: Already exists4f4fb700ef54: Already exists8e159597691d: Already existsc0ebccf77ab9: Already existsb7093a70d5d5: Already existsf2a57dfa5358: Already exists93b66eaa292a: Already exists0aba2ee32120: Already exists60033bb88c74: Already exists883b72a7df53: Already exists9aaba240d281: Already existsfd24333fa18a: Already existsab20f402dc6f: Already existsa3afc412b613: Already existsdd4125684748: Already existsceb2df76c559: Already existsf7ccc162a221: Already exists34ab2afe4a21: Already existsd633eb0495b6: Already exists725b8fe35ff0: Already exists389158e4fd73: Pulling fs layer7545a5a47fa3: Pulling fs layerd6fad63240c0: Pulling fs layer389158e4fd73: Waiting7545a5a47fa3: Waiting4f16cfd6b2e7: Pulling fs layereef18e33f558: Pulling fs layerd6fad63240c0: Waiting4f16cfd6b2e7: Waitinga4a234f26864: Pulling fs layer33af7e7ec4b5: Pulling fs layereef18e33f558: Waiting33af7e7ec4b5: Waitinga4a234f26864: Waiting389158e4fd73: Verifying Checksum389158e4fd73: Download complete389158e4fd73: Pull complete7545a5a47fa3: Download complete7545a5a47fa3: Pull completed6fad63240c0: Verifying Checksumd6fad63240c0: Download completed6fad63240c0: Pull completeeef18e33f558: Download completea4a234f26864: Verifying Checksuma4a234f26864: Download complete33af7e7ec4b5: Download complete4f16cfd6b2e7: Verifying Checksum4f16cfd6b2e7: Download complete4f16cfd6b2e7: Pull completeeef18e33f558: Pull completea4a234f26864: Pull complete33af7e7ec4b5: Pull completeDigest: sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0Status: Downloaded newer image for ocaml/opam@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a02026-06-25 15:15.49 ---> using "228ca740acddf2eea3670dcf0ce71e10e87bb0dbff5c47936f8a95dddd86b0ee" from cache/: (comment debian-12-5.5_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 15:15.49 ---> using "ae3c979b338c3812081555695794bf25cf14bac1a466b6f26a14e17275e2d977" 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 15:15.49 ---> using "8609ed1b5f82463ab25920811def91d5487b8dbd4aa4e25d6bd654dcf8ca7fe7" 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.Continue? [Y/n] yFormat upgrade done.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.[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 --global<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-25 15:15.49 ---> using "45cc4c043107076f2c6ae282cb4d91527b2d6db2e936a92f5b08d3889b05ba3b" 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 15:15.49 ---> using "3ae790830242167e1b8ce6ec640990beab10a5e51c3ba2a7160ae0c55766f475" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:15.49 ---> using "88a30cce3ce379d01bda8abebdfdb35d032c6417b4154c16fadc7b7e01f3ac35" 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 15:15.49 ---> using "ac9e687750b62d423a07d93b3047d7dee9f87899cc4b4b8358f43a511b49e7dc" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:15.49 ---> using "28cb559bc31cd0cf332bacdb07266576406b196dc87db6d38a0033b02890743c" 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 15:15.49 ---> using "8dc8475c2343ca19b81c35c5bed9d19cb0eeaaea1a9fa0c778304472e6edc8a0" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:15.49 ---> using "bc2eb4851dd75c41122cb15348a8787545cb16589f7c948b3a2cb3b13f238374" 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 bookworm InRelease- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [313 kB]- Fetched 416 kB in 1s (436 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 15:15.49 ---> using "08291a9f65feefe50374597d4d0dad0a145e8002c2d4c2d4446de1c3259c39a4" 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 15:16.54 ---> saved as "584d34cce169f44c630826b88281ecad046c07c763845a2657282d83ea11ea51"/src: (copy (src .) (dst /src))2026-06-25 15:16.54 ---> saved as "82a4a7adb0ec4c149c3e2cb77d5eee623e7227a8511ac9f8a2d9d335087486de"/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 15:16.55: Job failed: Failed: Build failed