2026-04-22 14:12.48: New job: test ocaml-multicore/reagents https://github.com/ocaml-multicore/reagents.git#refs/heads/main (5a385fde1e8b22950ce0afc41a104811d6615a3a) (macos-x86_64:macos-homebrew-5.4_opam-2.5) Base: macos-homebrew-ocaml-5.4 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/reagents.git" -b "main" && cd "reagents" && git reset --hard 5a385fde cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-5.4 # macos-homebrew-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 reagents.opam ./src/./ RUN opam pin add -yn reagents.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./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.2.1.1 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.2 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-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-22 14:12.48: Using cache hint "ocaml-multicore/reagents-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_opam-2.5-cd5b2c85fbb2a90e83ab30a7fc75147b" 2026-04-22 14:12.48: Using OBuilder spec: ((from macos-homebrew-ocaml-5.4) (comment macos-homebrew-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src reagents.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn reagents.dev './src/./'")) (run (shell "echo '(lang dune 3.0)' > './src/./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.2.1.1 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.2 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-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y reagents.dev $DEPS")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam install $DEPS")) (copy (src .) (dst ./src)) (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2026-04-22 14:12.48: Waiting for resource in pool OCluster 2026-04-22 16:04.23: Waiting for worker… 2026-04-22 21:10.15: Got resource from pool OCluster Building on i7-worker-04 Initialized empty Git repository in /private/var/lib/ocluster-worker/git/reagents.git-4d272bf067970dabb506b4efc09aeee9e5ec03de/.git/ HEAD is now at 5a385fd add warning to readme, describe situation with kcas (from macos-homebrew-ocaml-5.4) 2026-04-22 21:10.18 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache /: (comment macos-homebrew-5.4_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam")) 2026-04-22 21:10.19 ---> using "0e9d0f8ed44ab1f77ef30c8d8456629e6c63f869a24319cbb64657a84e315111" from cache /: (run (shell "opam init --reinit -ni")) No configuration file found, using 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 /Users/mac1000/.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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository 2026-04-22 21:10.19 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 5.4.0 2.5.0 2026-04-22 21:10.19 ---> using "78e99acc02a52806060d0075d40f6ea681e9ef77eb60ecbbaff6e5155272646b" from cache /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 95f7875db7..80ba534fc6 master -> origin/master 036883c540 Merge pull request #29788 from dbuenzli/b0-publish-cmdliner.2.1.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository default (at git+file:///Users/mac1000/opam-repository): [WARNING] opam is out-of-date. Please consider updating it (https://opam.ocaml.org/doc/Install.html) default (at git+file:///Users/mac1000/opam-repository): [INFO] opam 2.5.1 includes security fixes; please consider upgrading (https://opam.ocaml.org/doc/Install.html) Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1 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) 2026-04-22 21:10.20 ---> using "71cc5e00934cb201b0a7fe329a73e3354758237e0d32bb279642d981d93fb031" from cache /: (copy (src reagents.opam) (dst ./src/./)) 2026-04-22 21:10.22 ---> saved as "42155248c89e1a476e7fdcc121e34cdb6049446bec6253cfe8e78bce91932d62" /: (run (network host) (shell "opam pin add -yn reagents.dev './src/./'")) [NOTE] Package reagents does not exist in opam repositories registered in the current switch. [reagents.dev] synchronised (file:///Users/mac1000/src) reagents is now pinned to file:///Users/mac1000/src (version dev) 2026-04-22 21:10.44 ---> saved as "4b535180b7e171186f1679b34ad37924782071b29d33549ce5a272fedb1f3b00" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-04-22 21:10.45 ---> saved as "287f2f4fa85bf2be1b4795f7bde84a4b49ed3f3dcc12aff3d31a076bafa1747c" /: (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.2.1.1 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.22.2 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-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y reagents.dev $DEPS")) + /usr/local/bin/brew "update" - ==> Updating Homebrew... - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [reagents.dev] synchronised (file:///Users/mac1000/src) [NOTE] Package ocaml-options-vanilla is already installed (current version is 1). [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-base-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) 2026-04-22 21:11.23 ---> saved as "14bd775d122b9ea0f7c4426770faa930d5d9d1255ea319de60af8416b8674f88" /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-options-vanilla is already installed (current version is 1). [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-base-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 2.1.1 - install domain-local-await 1.0.1 - install domain-local-timeout 1.0.1 - install domain_shims 0.1.0 - install dune 3.22.2 - 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 backoff.0.1.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved domain_shims.0.1.0 (cached) -> retrieved domain-local-timeout.1.0.1 (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 ocamlfind.1.9.8 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved re.1.14.0 (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.3.22.2 (cached) -> installed cmdliner.2.1.1 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed uutf.1.0.4 -> installed mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed dune.3.22.2 -> installed domain_shims.0.1.0 -> installed stdlib-shims.0.3.0 -> installed backoff.0.1.1 -> installed psq.0.2.1 -> installed thread-table.1.0.0 -> installed multicore-magic.2.3.2 -> installed ocaml-syntax-shims.1.0.0 -> installed domain-local-timeout.1.0.1 -> installed domain-local-await.1.0.1 -> installed yojson.3.0.0 -> installed re.1.14.0 -> installed kcas.0.7.0 -> installed kcas_data.0.7.0 -> installed alcotest.1.9.1 -> installed lockfree.0.3.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-22 21:12.39 ---> saved as "482a91e239a6f73539e0026cc0a86b0fc979d46d28cd1adde8076ad8743130f5" /: (copy (src .) (dst ./src)) 2026-04-22 21:12.41 ---> saved as "5d56a3c9b005faa5a3ecd0c07e5011ae3a34e9f1371b3891b1618a4f51f0c75f" /: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /Users/mac1000/.opam/5.4.0/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 /Users/mac1000/.opam/5.4.0/lib/backoff -I /Users/mac1000/.opam/5.4.0/lib/domain-local-await -I /Users/mac1000/.opam/5.4.0/lib/domain-local-timeout -I /Users/mac1000/.opam/5.4.0/lib/domain_shims -I /Users/mac1000/.opam/5.4.0/lib/kcas -I /Users/mac1000/.opam/5.4.0/lib/lockfree -I /Users/mac1000/.opam/5.4.0/lib/mtime -I /Users/mac1000/.opam/5.4.0/lib/mtime/clock -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /Users/mac1000/.opam/5.4.0/lib/ocaml/threads -I /Users/mac1000/.opam/5.4.0/lib/ocaml/unix -I /Users/mac1000/.opam/5.4.0/lib/psq -I /Users/mac1000/.opam/5.4.0/lib/seq -I /Users/mac1000/.opam/5.4.0/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 && /Users/mac1000/.opam/5.4.0/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 /Users/mac1000/.opam/5.4.0/lib/backoff -I /Users/mac1000/.opam/5.4.0/lib/domain-local-await -I /Users/mac1000/.opam/5.4.0/lib/domain-local-timeout -I /Users/mac1000/.opam/5.4.0/lib/domain_shims -I /Users/mac1000/.opam/5.4.0/lib/kcas -I /Users/mac1000/.opam/5.4.0/lib/lockfree -I /Users/mac1000/.opam/5.4.0/lib/mtime -I /Users/mac1000/.opam/5.4.0/lib/mtime/clock -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /Users/mac1000/.opam/5.4.0/lib/ocaml/threads -I /Users/mac1000/.opam/5.4.0/lib/ocaml/unix -I /Users/mac1000/.opam/5.4.0/lib/psq -I /Users/mac1000/.opam/5.4.0/lib/seq -I /Users/mac1000/.opam/5.4.0/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 && /Users/mac1000/.opam/5.4.0/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 /Users/mac1000/.opam/5.4.0/lib/backoff -I /Users/mac1000/.opam/5.4.0/lib/domain-local-await -I /Users/mac1000/.opam/5.4.0/lib/domain-local-timeout -I /Users/mac1000/.opam/5.4.0/lib/domain_shims -I /Users/mac1000/.opam/5.4.0/lib/kcas -I /Users/mac1000/.opam/5.4.0/lib/lockfree -I /Users/mac1000/.opam/5.4.0/lib/mtime -I /Users/mac1000/.opam/5.4.0/lib/mtime/clock -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /Users/mac1000/.opam/5.4.0/lib/ocaml/threads -I /Users/mac1000/.opam/5.4.0/lib/ocaml/unix -I /Users/mac1000/.opam/5.4.0/lib/psq -I /Users/mac1000/.opam/5.4.0/lib/seq -I /Users/mac1000/.opam/5.4.0/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 && /Users/mac1000/.opam/5.4.0/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 /Users/mac1000/.opam/5.4.0/lib/backoff -I /Users/mac1000/.opam/5.4.0/lib/domain-local-await -I /Users/mac1000/.opam/5.4.0/lib/domain-local-timeout -I /Users/mac1000/.opam/5.4.0/lib/domain_shims -I /Users/mac1000/.opam/5.4.0/lib/kcas -I /Users/mac1000/.opam/5.4.0/lib/lockfree -I /Users/mac1000/.opam/5.4.0/lib/mtime -I /Users/mac1000/.opam/5.4.0/lib/mtime/clock -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic -I /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4 -H /Users/mac1000/.opam/5.4.0/lib/multicore-magic/__private__/multicore_magic_atomic_array_unboxed5_4/.public_cmi -I /Users/mac1000/.opam/5.4.0/lib/ocaml/threads -I /Users/mac1000/.opam/5.4.0/lib/ocaml/unix -I /Users/mac1000/.opam/5.4.0/lib/psq -I /Users/mac1000/.opam/5.4.0/lib/seq -I /Users/mac1000/.opam/5.4.0/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" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-04-22 21:12.48: Job failed: Failed: Build failed