2026-04-03 11:36.10: New job: test ocaml-multicore/reagents https://github.com/ocaml-multicore/reagents.git#refs/heads/main (5a385fde1e8b22950ce0afc41a104811d6615a3a) (linux-x86_64:debian-13-5.4+flambda_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1dOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/reagents.git" -b "main" && cd "reagents" && git reset --hard 5a385fdecat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d# debian-13-5.4+flambda_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 reagents.opam ./RUN opam pin add -yn reagents.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.1 fmt.0.11.0 kcas.0.7.0 kcas_data.0.7.0 lockfree.0.3.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 re.1.14.0 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y reagents.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-03 11:36.10: Using cache hint "ocaml-multicore/reagents-ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d-debian-13-5.4+flambda_opam-2.5-1d614b9a15e846c85f5d01be68cef838"2026-04-03 11:36.10: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d)(comment debian-13-5.4+flambda_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 (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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src reagents.opam) (dst ./))(run (network host)(shell "opam pin add -yn reagents.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.1 fmt.0.11.0 kcas.0.7.0 kcas_data.0.7.0 lockfree.0.3.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 re.1.14.0 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0")(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 reagents.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")))2026-04-03 11:36.10: Waiting for resource in pool OCluster2026-04-03 13:51.15: Waiting for worker…2026-04-03 13:54.04: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at 5a385fd add warning to readme, describe situation with kcas(from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:7c0891fd8beae10290a2658a0474b5895aff790d4909224a497eb8e69cd96c1d)2026-04-03 13:54.05 ---> using "b55e6c75cd3e8053866e4459977add5a75875074668e87228d5137df1d1d0c8a" from cache/: (comment debian-13-5.4+flambda_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"))2026-04-03 13:54.05 ---> using "d4c2c0c8461e9c3383d6285052d701a8ab317fe832e447cd3dd38626dcc154c7" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-03 13:54.05 ---> using "113b7a0e8fbdf6ff2f463b8b2751bb4deb393bbe44ccb78164b217477640f8d9" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-173-genericThe OCaml toplevel, version 5.4.02.5.02026-04-03 13:54.05 ---> using "2af332d58f4ecb4fc68528d5f48a466b8d805917068b0e2ad5cfdaa7cad2dff5" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 13:54.05 ---> using "ca628454b2b87260f34828cc9b7f413c5d250a6fc95415f734a90060ce2d5bbe" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4f056bfedf..d06cfb1853 master -> origin/masterd06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, 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)2026-04-03 13:54.05 ---> using "bfc5917f25d3cf949371d78f8002460d670c28a642c3e7b4f8532bf9c6aa3075" from cache/src: (copy (src reagents.opam) (dst ./))2026-04-03 13:54.05 ---> saved as "78bf0edf342dd2315eafc2a79276dc92302ff0c7ea7fb32aa3b4ffa648fe5e24"/src: (run (network host)(shell "opam pin add -yn reagents.dev './'"))[NOTE] Package reagents does not exist in opam repositories registered in the current switch.[reagents.dev] synchronised (file:///src)reagents is now pinned to file:///src (version dev)2026-04-03 13:54.09 ---> saved as "8598526f1efd7e7a7c8e7b6d7c1ed219e190335af65997bd355b02acbad8676b"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 13:54.09 ---> saved as "45e7834d26a6d92b1e3a71aa702e9f7410606dad69f825a165721b00109c9150"/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.1 fmt.0.11.0 kcas.0.7.0 kcas_data.0.7.0 lockfree.0.3.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 re.1.14.0 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0")/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 reagents.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://deb.debian.org/debian trixie InRelease- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [119 kB]- Fetched 210 kB in 0s (775 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[reagents.dev] synchronised (file:///src)[NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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)2026-04-03 13:54.31 ---> saved as "426a5b26f53190c2c65890e63d6a6c1b3f4338a47a59cc42d2e9892c7d50a1ae"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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 25 packages- install alcotest 1.9.1- install astring 0.8.5- install backoff 0.1.1- install cmdliner 2.1.0- install domain-local-await 1.0.1- install domain-local-timeout 1.0.1- install domain_shims 0.1.0- install dune 3.22.1- install fmt 0.11.0- install kcas 0.7.0- install kcas_data 0.7.0- install lockfree 0.3.1- install mtime 2.1.0- install multicore-magic 2.3.2- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install psq 0.2.1- install re 1.14.0- install seq base- install stdlib-shims 0.3.0- install thread-table 1.0.0- install topkg 1.1.1- install uutf 1.0.4- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved backoff.0.1.1 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved domain-local-await.1.0.1 (cached)-> retrieved domain-local-timeout.1.0.1 (cached)-> retrieved domain_shims.0.1.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved kcas.0.7.0, kcas_data.0.7.0 (cached)-> retrieved lockfree.0.3.1 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved multicore-magic.2.3.2 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved re.1.14.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved thread-table.1.0.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved dune.3.22.1 (cached)-> installed ocamlfind.1.9.8-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed topkg.1.1.1-> installed mtime.2.1.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.22.1-> installed domain_shims.0.1.0-> installed backoff.0.1.1-> installed stdlib-shims.0.3.0-> installed multicore-magic.2.3.2-> installed psq.0.2.1-> installed thread-table.1.0.0-> installed domain-local-timeout.1.0.1-> installed domain-local-await.1.0.1-> installed kcas.0.7.0-> installed ocaml-syntax-shims.1.0.0-> installed re.1.14.0-> installed kcas_data.0.7.0-> installed yojson.3.0.0-> installed alcotest.1.9.1-> installed lockfree.0.3.1Done.# To update the current shell environment, run: eval $(opam env)2026-04-03 13:57.12 ---> saved as "a016f6f637739d55ca9f25965a7ca168ff0fb316ad9feecae8573437157c437e"/src: (copy (src .) (dst /src))2026-04-03 13:57.12 ---> saved as "610e15e462586d70155e7bef7f8a85d39cec2bbb51d604ca64ed3c0abec44fda"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/5.4/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I lib/.reagents.objs/byte -I /home/opam/.opam/5.4/lib/backoff -I /home/opam/.opam/5.4/lib/domain-local-await -I /home/opam/.opam/5.4/lib/domain-local-timeout -I /home/opam/.opam/5.4/lib/domain_shims -I /home/opam/.opam/5.4/lib/kcas -I /home/opam/.opam/5.4/lib/lockfree -I /home/opam/.opam/5.4/lib/mtime -I /home/opam/.opam/5.4/lib/mtime/clock -I /home/opam/.opam/5.4/lib/multicore-magic -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /home/opam/.opam/5.4/lib/ocaml/threads -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/psq -I /home/opam/.opam/5.4/lib/seq -I /home/opam/.opam/5.4/lib/thread-table -cmi-file lib/.reagents.objs/byte/reagents__PostCommitCas.cmi -no-alias-deps -opaque -open Reagents__ -o lib/.reagents.objs/byte/reagents__PostCommitCas.cmo -c -impl lib/postCommitCas.ml)File "lib/postCommitCas.ml", line 18, characters 12-19:18 | module Op = Kcas.Op^^^^^^^Error: Unbound module Kcas.Op(cd _build/default && /home/opam/.opam/5.4/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I lib/.reagents.objs/byte -I /home/opam/.opam/5.4/lib/backoff -I /home/opam/.opam/5.4/lib/domain-local-await -I /home/opam/.opam/5.4/lib/domain-local-timeout -I /home/opam/.opam/5.4/lib/domain_shims -I /home/opam/.opam/5.4/lib/kcas -I /home/opam/.opam/5.4/lib/lockfree -I /home/opam/.opam/5.4/lib/mtime -I /home/opam/.opam/5.4/lib/mtime/clock -I /home/opam/.opam/5.4/lib/multicore-magic -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /home/opam/.opam/5.4/lib/ocaml/threads -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/psq -I /home/opam/.opam/5.4/lib/seq -I /home/opam/.opam/5.4/lib/thread-table -cmi-file lib/.reagents.objs/byte/reagents__Ref.cmi -no-alias-deps -opaque -open Reagents__ -o lib/.reagents.objs/byte/reagents__Ref.cmo -c -impl lib/ref.ml)File "lib/ref.ml", line 23, characters 14-21:23 | module Op = Kcas.Op^^^^^^^Error: Unbound module Kcas.Op(cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I lib/.reagents.objs/byte -I lib/.reagents.objs/native -I /home/opam/.opam/5.4/lib/backoff -I /home/opam/.opam/5.4/lib/domain-local-await -I /home/opam/.opam/5.4/lib/domain-local-timeout -I /home/opam/.opam/5.4/lib/domain_shims -I /home/opam/.opam/5.4/lib/kcas -I /home/opam/.opam/5.4/lib/lockfree -I /home/opam/.opam/5.4/lib/mtime -I /home/opam/.opam/5.4/lib/mtime/clock -I /home/opam/.opam/5.4/lib/multicore-magic -I /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /home/opam/.opam/5.4/lib/ocaml/threads -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/psq -I /home/opam/.opam/5.4/lib/seq -I /home/opam/.opam/5.4/lib/thread-table -cmi-file lib/.reagents.objs/byte/reagents__PostCommitCas.cmi -no-alias-deps -opaque -open Reagents__ -o lib/.reagents.objs/native/reagents__PostCommitCas.cmx -c -impl lib/postCommitCas.ml)File "lib/postCommitCas.ml", line 18, characters 12-19:18 | module Op = Kcas.Op^^^^^^^Error: Unbound module Kcas.Op(cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I lib/.reagents.objs/byte -I lib/.reagents.objs/native -I /home/opam/.opam/5.4/lib/backoff -I /home/opam/.opam/5.4/lib/domain-local-await -I /home/opam/.opam/5.4/lib/domain-local-timeout -I /home/opam/.opam/5.4/lib/domain_shims -I /home/opam/.opam/5.4/lib/kcas -I /home/opam/.opam/5.4/lib/lockfree -I /home/opam/.opam/5.4/lib/mtime -I /home/opam/.opam/5.4/lib/mtime/clock -I /home/opam/.opam/5.4/lib/multicore-magic -I /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /home/opam/.opam/5.4/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /home/opam/.opam/5.4/lib/ocaml/threads -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/psq -I /home/opam/.opam/5.4/lib/seq -I /home/opam/.opam/5.4/lib/thread-table -cmi-file lib/.reagents.objs/byte/reagents__Ref.cmi -no-alias-deps -opaque -open Reagents__ -o lib/.reagents.objs/native/reagents__Ref.cmx -c -impl lib/ref.ml)File "lib/ref.ml", line 23, characters 14-21:23 | module Op = Kcas.Op^^^^^^^Error: Unbound module Kcas.Op"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-03 13:57.14: Job failed: Failed: Build failed