2026-01-09 21:45.08: New job: test ocaml-multicore/picos https://github.com/ocaml-multicore/picos.git#refs/heads/adaptive-bo-mpmcq (2e611b92c3c903fd74123bb2b0c94026b6ffe9aa) (linux-x86_64:(lint-fmt))Base: ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44ocamlformat version: version 0.28.1 (from opam)To reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/picos.git" -b "adaptive-bo-mpmcq" && cd "picos" && git reset --hard 2e611b92cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44USER 1000:1000RUN cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -uRUN opam depext -i duneWORKDIR /srcRUN opam depext -i ocamlformat=0.28.1COPY --chown=1000:1000 . /src/RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)END-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-09 21:45.08: Using cache hint "ocaml-multicore/picos-ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44-debian-13-4.08_opam-2.5-ocamlformat-c65fcb116531ae66ad3316b265e233443ef25044"2026-01-09 21:45.08: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44)(user (uid 1000) (gid 1000))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam depext -i dune"))(workdir /src)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam depext -i ocamlformat=0.28.1"))(copy (src .) (dst /src/))(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)")))2026-01-09 21:45.08: Waiting for resource in pool OCluster2026-01-10 00:02.25: Waiting for worker…2026-01-10 00:04.52: Got resource from pool OClusterBuilding on cleteAll commits already cachedHEAD is now at 2e611b9 Use adaptive backoff in mpmcq(from ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44)2026-01-10 00:04.52 ---> using "c557567380599a9d74e9cba757661af503505628fe0a86c2e1639761275a17b1" from cache/: (user (uid 1000) (gid 1000))/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADee48e882f0..a6b2f19780 master -> origin/masterc65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] Initialiseddefault (at git+file:///home/opam/opam-repository):[INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)The following actions will be performed:- recompile ocaml-base-compiler 4.08.1* [upstream changes]- recompile ocaml-config 1 [uses ocaml-base-compiler]- recompile ocaml 4.08.1 [uses ocaml-base-compiler]- recompile opam-depext 1.2.3 [uses ocaml]===== 4 to recompile =====<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>[ocaml-base-compiler.4.08.1] found in cache[ocaml-config.1/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache[opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache[ocaml-config.1/ocaml-config.install] downloaded from https://opam.ocaml.org/cache[ocaml-base-compiler.4.08.1/alt-signal-stack.patch] downloaded from https://opam.ocaml.org/cache[ocaml-base-compiler.4.08.1/fix-gcc10.patch] downloaded from https://opam.ocaml.org/cache[ocaml-base-compiler.4.08.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> removed opam-depext.1.2.3-> removed ocaml.4.08.1-> removed ocaml-config.1-> removed ocaml-base-compiler.4.08.1-> installed ocaml-base-compiler.4.08.1-> installed ocaml-config.1-> installed ocaml.4.08.1-> installed opam-depext.1.2.3Done.# Run eval $(opam env) to update the current shell environment2026-01-10 00:06.39 ---> saved as "16899c2fef5c54ba2a6b59b7d620ad4b67d2e0172975d17db354d347759a1972"/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam depext -i dune"))# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian# No extra OS packages requirements found.# All required OS packages found.# Now letting opam install the packagesThe following actions will be performed:- install dune 3.20.2<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>[dune.3.20.2] found in cache<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> installed dune.3.20.2Done.# Run eval $(opam env) to update the current shell environment2026-01-10 00:07.24 ---> saved as "1468b5f7ce404b9299ebedec1ed552a4ca6fc39928d39e9b418130c05e92a7fc"/: (workdir /src)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam depext -i ocamlformat=0.28.1"))# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian# No extra OS packages requirements found.# All required OS packages found.# Now letting opam install the packagesThe following actions will be performed:- install sexplib0 v0.14.0 [required by base]- install ocamlbuild 0.16.1 [required by fpath, astring, uuseg]- install either 1.0.0 [required by ocamlformat-lib]- install menhirLib 20250912 [required by ocamlformat-lib]- install cmdliner 2.1.0 [required by ocamlformat]- install csexp 1.5.2 [required by ocamlformat]- install camlp-streams 5.0.1 [required by ocamlformat-lib]- install seq base [required by re]- install menhirSdk 20250912 [required by ocamlformat-lib]- install fix 20250919 [required by ocamlformat-lib]- install menhirCST 20250912 [required by menhir]- install ocamlfind 1.9.8 [required by ocp-indent, astring, fpath, uuseg]- install dune-build-info 3.20.2 [required by ocamlformat-lib]- install ocaml-version 4.0.3 [required by ocamlformat-lib]- install dune-configurator 3.20.2 [required by base]- install re 1.11.0 [required by ocamlformat]- install menhir 20250912 [required by ocamlformat-lib]- install topkg 1.1.1 [required by fpath, astring, uuseg]- install ocp-indent 1.9.0 [required by ocamlformat-lib]- install base v0.14.3 [required by ocamlformat-lib]- install uutf 1.0.4 [required by ocamlformat-lib]- install astring 0.8.5 [required by ocamlformat-lib]- install stdio v0.14.0 [required by ocamlformat-lib]- install uucp 15.0.0 [required by uuseg]- install fpath 0.7.3 [required by ocamlformat-lib]- install uuseg 15.0.0 [required by ocamlformat-lib]- install ocamlformat-lib 0.28.1 [required by ocamlformat]- install ocamlformat 0.28.1===== 28 to install =====<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>[astring.0.8.5] found in cache[base.v0.14.3] found in cache[camlp-streams.5.0.1] found in cache[cmdliner.2.1.0] found in cache[csexp.1.5.2] found in cache[dune-build-info.3.20.2] found in cache[dune-configurator.3.20.2] found in cache[either.1.0.0] found in cache[fix.20250919] found in cache[fpath.0.7.3] found in cache[menhir.20250912] found in cache[menhirCST.20250912] found in cache[menhirLib.20250912] found in cache[menhirSdk.20250912] found in cache[ocaml-version.4.0.3] found in cache[ocamlbuild.0.16.1] found in cache[ocamlfind.1.9.8] found in cache[ocamlformat.0.28.1] found in cache[ocamlformat-lib.0.28.1] found in cache[ocp-indent.1.9.0] found in cache[re.1.11.0] found in cache[sexplib0.v0.14.0] found in cache[stdio.v0.14.0] found in cache[topkg.1.1.1] found in cache[uucp.15.0.0] found in cache[uuseg.15.0.0] found in cache[uutf.1.0.4] found in cache<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> installed seq.base-> installed camlp-streams.5.0.1-> installed csexp.1.5.2-> installed either.1.0.0-> installed fix.20250919-> installed menhirCST.20250912-> installed menhirLib.20250912-> installed menhirSdk.20250912-> installed ocaml-version.4.0.3-> installed sexplib0.v0.14.0-> installed re.1.11.0-> installed cmdliner.2.1.0-> installed dune-build-info.3.20.2-> installed dune-configurator.3.20.2-> installed ocamlfind.1.9.8-> installed ocp-indent.1.9.0-> installed ocamlbuild.0.16.1-> installed base.v0.14.3-> installed topkg.1.1.1-> installed stdio.v0.14.0-> installed uutf.1.0.4-> installed astring.0.8.5-> installed fpath.0.7.3-> installed menhir.20250912-> installed uucp.15.0.0-> installed uuseg.15.0.0-> installed ocamlformat-lib.0.28.1-> installed ocamlformat.0.28.1Done.<><> ocp-indent.1.9.0 installed successfully ><><><><><><><><><><><><><><><><><>=> This package requires additional configuration for use in editors. Install package 'user-setup', or manually:* for Emacs, add these lines to ~/.emacs:(add-to-list 'load-path "/home/opam/.opam/4.08/share/emacs/site-lisp")(require 'ocp-indent)* for Vim, add this line to ~/.vimrc:set rtp^="/home/opam/.opam/4.08/share/ocp-indent/vim"# Run eval $(opam env) to update the current shell environment2026-01-10 00:08.51 ---> saved as "67ee4bd39bcc00fddad12fdceec092ff69a0ab03cc07acefc813f4637cfd01d9"/src: (copy (src .) (dst /src/))2026-01-10 00:08.53 ---> saved as "632d88d5d39f21956fa381eb06966487e427bf2ef4139f257d1d612ffc4159b7"/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))2026-01-10 00:08.56 ---> saved as "d3466696df8892c2a6bc263332edf610073560260f9a2379f0bac917d9b7c39b"Job succeeded2026-01-10 00:08.57: Job succeeded