2026-06-25 14:39.17: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:ubuntu-26.04-5.5_opam-2.5)Base: ocaml/opam:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053aOpam 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:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a# ubuntu-26.04-5.5_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 14:39.17: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a-ubuntu-26.04-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.17: Using OBuilder spec:((from ocaml/opam:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a)(comment ubuntu-26.04-5.5_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 14:39.17: Waiting for resource in pool OCluster2026-06-25 15:11.10: Waiting for worker…2026-06-25 15:15.31: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a)Unable to find image 'ocaml/opam:ubuntu-26.04-ocaml-5.5@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a' locallydocker.io/ocaml/opam@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a: Pulling from ocaml/opam81e2f2053c8f: Already existsd1f56e4c7f2f: Already exists282509c34d7f: Already existsce63e4a28b1f: Already exists136942ba042f: Already exists94399a9a0f52: Already existsf9b48df52c25: Already exists39656ff64d99: Already existse97072a30bd9: Already exists6effe1cfbd12: Already existsc19808e5b86a: Already existsb82037575329: Already exists8c2e22546b8a: Already existsbac337ce9750: Already exists2e0aaacb64c5: Already exists871cfae2286f: Already exists14ddbd61ee22: Already exists10bb981238c8: Already exists10bb981238c8: Already exists44e23de7792e: Already exists8c40a7b57a1c: Already exists2d14f876777b: Already existse961482c5df3: Already exists4f4fb700ef54: Already existsd76cc0c2cb5e: Already exists9604e924c748: Already existscb00225ff30d: Already exists3d43358473d9: Already existsd7fa3a83b5f5: Already exists50df2d9378e6: Already existsa46be5cbc100: Already exists9b073973cefe: Already exists0385b2629f1d: Already existsedd8da0e4030: Already exists6a8847baf81b: Already exists46b228ec6281: Already existscb274edb6a87: Already existsa8ac79cc3ca7: Already existsbf788870e28b: Already exists9680cfe74017: Already exists4f4fb700ef54: Already exists46c86403b374: Already exists4f4fb700ef54: Pulling fs layer4f4fb700ef54: Waiting40592aa60fa4: Pulling fs layer40592aa60fa4: Waitingd99eeff4c95f: Pulling fs layer9e932e5d805e: Pulling fs layerd99eeff4c95f: Waiting0da6c0e459da: Pulling fs layerc685e2a4c04c: Pulling fs layer0da6c0e459da: Waiting9e932e5d805e: Waitingc685e2a4c04c: Waiting4f4fb700ef54: Download complete4f4fb700ef54: Pull complete40592aa60fa4: Download complete40592aa60fa4: Pull complete9e932e5d805e: Download complete0da6c0e459da: Verifying Checksum0da6c0e459da: Download completec685e2a4c04c: Download completed99eeff4c95f: Verifying Checksumd99eeff4c95f: Download completed99eeff4c95f: Pull complete9e932e5d805e: Pull complete0da6c0e459da: Pull completec685e2a4c04c: Pull completeDigest: sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053aStatus: Downloaded newer image for ocaml/opam@sha256:92b192ec4933c318aeb38ded7d8e08d62077ef9eba2d941400f7c13c0c59053a2026-06-25 15:15.31 ---> using "b01ac08d9ec526f4000e955ff9d533642877783a58a159720d90d66d2ebde320" from cache/: (comment ubuntu-26.04-5.5_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 15:15.31 ---> using "9dd286db5831ebbbded994eac86aa29a608951cf79d06a40eb3ae3dcf2c2428d" 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 15:15.31 ---> using "5d62afc48d08b2ed6c2791915d4de6ceea48aa33ebb09b6deb555ec6c60ddd75" 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 15:15.31 ---> using "9b6c726f8d0ffd6e2300e8f2b604a20d057d8d0c9a5a14f4a88723f8a8995a22" 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 15:15.31 ---> using "388516677fb902f528908fcafaeba0f7e33a0c849016d694ed4ad6197c21e10a" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:15.31 ---> using "028a01c429c31196641f961e1d15a58d70fc7b77d31b204c72e2a167d1533b60" 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 15:15.31 ---> using "ed8bcd610831db970fb28c9488d7b3d2d168be5c44fb6127b17ae7c2653c68a1" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:15.31 ---> using "b7f0b120d60fbcdb61142acc02b62d70c2259a2168364c05ca1cad9775ab6760" 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 15:15.31 ---> using "f9def39df4effd1f039bf7e2d11e5fb7b607655b6d563ead70514ad73ddf4c9d" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:15.31 ---> using "d9e6d437c4eb205201f3f34e9bb064d87fa282a4c1d20a23a91c89588878bc45" 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://archive.ubuntu.com/ubuntu resolute InRelease- Get:2 http://security.ubuntu.com/ubuntu resolute-security InRelease [137 kB]- Get:3 http://security.ubuntu.com/ubuntu resolute-security/restricted amd64 Packages [258 kB]- Get:4 http://archive.ubuntu.com/ubuntu resolute-updates InRelease [137 kB]- Get:5 http://security.ubuntu.com/ubuntu resolute-security/universe amd64 Packages [154 kB]- Get:6 http://security.ubuntu.com/ubuntu resolute-security/main amd64 Packages [286 kB]- Hit:7 http://archive.ubuntu.com/ubuntu resolute-backports InRelease- Get:8 http://archive.ubuntu.com/ubuntu resolute-updates/main amd64 Packages [330 kB]- Get:9 http://archive.ubuntu.com/ubuntu resolute-updates/universe amd64 Packages [195 kB]- Fetched 1497 kB in 0s (3594 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 15:15.31 ---> using "f1169d9502b040f01d86c83ba7c59a9e8e9676582e408ee9d16fa40dc34bb9a2" 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 15:15.31 ---> using "0f25bc90591a2b040ace4e4caae7ea4b8bb1d9a3a1faad55d00b9cedc2e77d34" from cache/src: (copy (src .) (dst /src))2026-06-25 15:15.32 ---> saved as "cbd4ef8048db743940c58e15c22e084968c29287cb4f6f4d1bb47b847e8e78ec"/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 15:15.33: Job failed: Failed: Build failed