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@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44 ocamlformat 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 2e611b92 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.08@sha256:6fadef23b5069dc945f3a454c49421fd09e8c17aa57d3f9ad27d3879fce6aa44 USER 1000:1000 RUN 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 opam depext -i dune WORKDIR /src RUN opam depext -i ocamlformat=0.28.1 COPY --chown=1000:1000 . /src/ RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2) END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-09 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 OCluster 2026-01-10 00:02.25: Waiting for worker… 2026-01-10 00:04.52: Got resource from pool OCluster Building on clete All commits already cached HEAD 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_HEAD ee48e882f0..a6b2f19780 master -> origin/master c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised default (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.1.2.3 Done. # Run eval $(opam env) to update the current shell environment 2026-01-10 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 packages The following actions will be performed: - install dune 3.20.2 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><> [dune.3.20.2] found in cache <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed dune.3.20.2 Done. # Run eval $(opam env) to update the current shell environment 2026-01-10 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 packages The 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.0.28.1 Done. <><> 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 environment 2026-01-10 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 succeeded 2026-01-10 00:08.57: Job succeeded