2025-08-22 08:07.33: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/support-ocaml-4-lwt-ppx (2963dbb888aa349516110710156274191fa46403) (macos-arm64:macos-homebrew-4.14_arm64_opam-2.4) Base: macos-homebrew-ocaml-4.14 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "support-ocaml-4-lwt-ppx" && cd "lwt" && git reset --hard 2963dbb8 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-4.14 # macos-homebrew-4.14_arm64_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.4 ~/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 f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam ./src/./ RUN opam pin add -yn lwt_retry.dev './src/./' && \ opam pin add -yn lwt_react.dev './src/./' && \ opam pin add -yn lwt_ppx__ppx_let_tests.dev './src/./' && \ opam pin add -yn lwt_ppx.dev './src/./' && \ opam pin add -yn lwt.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./dune-project' ENV DEPS="base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2025-08-22 08:07.33: Using cache hint "ocsigen/lwt-macos-homebrew-ocaml-4.14-macos-homebrew-4.14_arm64_opam-2.4-69e16b930473ab97ce2f2bbc9754e2c5" 2025-08-22 08:07.33: Using OBuilder spec: ((from macos-homebrew-ocaml-4.14) (comment macos-homebrew-4.14_arm64_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "ln -f ~/local/bin/opam-2.4 ~/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 f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn lwt_retry.dev './src/./' && \ \nopam pin add -yn lwt_react.dev './src/./' && \ \nopam pin add -yn lwt_ppx__ppx_let_tests.dev './src/./' && \ \nopam pin add -yn lwt_ppx.dev './src/./' && \ \nopam pin add -yn lwt.dev './src/./'")) (run (network host) (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) (env DEPS "base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0") (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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.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 --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")) ) 2025-08-22 08:07.33: Waiting for resource in pool OCluster 2025-08-22 08:07.34: Waiting for worker… 2025-08-22 08:07.34: Got resource from pool OCluster Building on m1-worker-04 HEAD is now at e746d4d3a restore lwt_ppx compatible with ocaml4 HEAD is now at 2963dbb88 fix unix compilation (from macos-homebrew-ocaml-4.14) 2025-08-22 08:07.35 ---> using "0c60f117aee57abea8364cb033d47bb1d63ff0f68e5ee97378e032498e8442af" from cache /: (comment macos-homebrew-4.14_arm64_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (run (shell "ln -f ~/local/bin/opam-2.4 ~/local/bin/opam")) 2025-08-22 08:07.35 ---> using "16fd332aba96a180769fbf49639a0f9a6aa6ed7d2edfa24c2b9bea4039176eb4" 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 2025-08-22 08:07.35 ---> using "441082522a992e4675bb61cf184ac4d487fcb27eccab875ab68ef480e42527a0" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 4.14.2 2.4.1 2025-08-22 08:07.35 ---> using "73a23ad864bce177bda3ef5ed15fdc258f712e067e25e839184501078d169a1f" 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 f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD f1d3c77350..0978bfceb7 master -> origin/master f9d23e5cb1 Merge pull request #28357 from maiste/release-dune-3.20.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.3.0 - ocaml-config.3 However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.3.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2025-08-22 08:07.36 ---> using "d722631e4b2f719a7ec3b970cb55275fa41e55b61e0972beca0ae16eb4b93b56" from cache /: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam) (dst ./src/./)) 2025-08-22 08:07.37 ---> saved as "5f78e933d3e6b4c08aaadace3b9340effc310d00c00c3bc8fb8708b834d34511" /: (run (network host) (shell "opam pin add -yn lwt_retry.dev './src/./' && \ \nopam pin add -yn lwt_react.dev './src/./' && \ \nopam pin add -yn lwt_ppx__ppx_let_tests.dev './src/./' && \ \nopam pin add -yn lwt_ppx.dev './src/./' && \ \nopam pin add -yn lwt.dev './src/./'")) [lwt_retry.dev] synchronised (file:///Users/mac1000/src) lwt_retry is now pinned to file:///Users/mac1000/src (version dev) [lwt_react.dev] synchronised (file:///Users/mac1000/src) lwt_react is now pinned to file:///Users/mac1000/src (version dev) [NOTE] Package lwt_ppx__ppx_let_tests does not exist in opam repositories registered in the current switch. [lwt_ppx__ppx_let_tests.dev] synchronised (file:///Users/mac1000/src) [WARNING] Failed checks on lwt_ppx__ppx_let_tests package definition from source at file:///Users/mac1000/src: warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "NOTFORRELEASE" lwt_ppx__ppx_let_tests is now pinned to file:///Users/mac1000/src (version dev) [lwt_ppx.dev] synchronised (file:///Users/mac1000/src) lwt_ppx is now pinned to file:///Users/mac1000/src (version dev) [lwt.dev] synchronised (file:///Users/mac1000/src) lwt is now pinned to file:///Users/mac1000/src (version dev) 2025-08-22 08:08.00 ---> saved as "58e31c7d91b1bb33afc9ad61bb632f0f83b9e025beda7d5d5206508ec7ababcb" /: (run (network host) (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2025-08-22 08:08.01 ---> saved as "c6b5c58cf133edf3679bf78813241dee5e419b8dedfbfe76bd3337dce293724a" /: (env DEPS "base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0") /: (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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.dev $DEPS")) + /opt/homebrew/bin/brew "update" - ==> Updating Homebrew... - ==> Homebrew collects anonymous analytics. - Read the analytics documentation (and how to opt-out) here: - https://docs.brew.sh/Analytics - No analytics have been recorded yet (nor will be during this `brew` run). - - ==> Homebrew is run entirely by unpaid volunteers. Please consider donating: - https://github.com/Homebrew/brew#donations - - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt_react.dev] synchronised (file:///Users/mac1000/src) [lwt_ppx.dev] synchronised (file:///Users/mac1000/src) [lwt.dev] synchronised (file:///Users/mac1000/src) [lwt_retry.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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-bigarray is already installed (current version is base). 2025-08-22 08:08.34 ---> saved as "c66071bbcf24112a36e43f3ecc2f99b2a7218f3db72091f265d1fcb832944384" /: (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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-bigarray is already installed (current version is base). The following actions will be performed: === install 15 packages - install base-bytes base - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.20.0 - install dune-configurator 3.20.0 - install ocaml-compiler-libs v0.12.4 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install ppx_derivers 1.2.1 - install ppxlib 0.36.0 - install react 1.2.2 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved csexp.1.5.2 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved ocaml-compiler-libs.v0.12.4 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved react.1.2.2 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.0 (cached) -> retrieved ppxlib.0.36.0 (cached) -> retrieved dune.3.20.0, dune-configurator.3.20.0 (cached) -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed topkg.1.1.0 -> installed react.1.2.2 -> installed dune.3.20.0 -> installed ppx_derivers.1.2.1 -> installed stdlib-shims.0.3.0 -> installed csexp.1.5.2 -> installed sexplib0.v0.17.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.20.0 -> installed ppxlib.0.36.0 Done. # To update the current shell environment, run: eval $(opam env) 2025-08-22 08:09.31 ---> saved as "5165b462551a05f5b27b177228d1c2b388423f1a1ead4a8de5e0d4537d438821" /: (copy (src .) (dst ./src)) 2025-08-22 08:09.33 ---> saved as "9b399e7400b9e96f3e345d1ab80ce98919b7a14c0ce1abcc3782b22c2eebae74" /: (run (shell "cd ./src && opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")) (cd _build/default && /Users/mac1000/.opam/4.14.2/bin/ocamlc.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I src/core/.lwt.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/byte/lwt_stream.cmo -c -impl src/core/lwt_stream.ml) File "src/core/lwt_stream.ml", line 46, characters 2-55: 46 | mutable push_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field push_external is never read. (However, this field is used to build or mutate values.) File "src/core/lwt_stream.ml", line 67, characters 2-56: 67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field pushb_external is never read. (However, this field is used to build or mutate values.) (cd _build/default && /Users/mac1000/.opam/4.14.2/bin/ocamlopt.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/native/lwt_stream.cmx -c -impl src/core/lwt_stream.ml) File "src/core/lwt_stream.ml", line 46, characters 2-55: 46 | mutable push_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field push_external is never read. (However, this field is used to build or mutate values.) File "src/core/lwt_stream.ml", line 67, characters 2-56: 67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field pushb_external is never read. (However, this field is used to build or mutate values.) (cd _build/default && /Users/mac1000/.opam/4.14.2/bin/ocamlc.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I src/unix/.lwt_unix.objs/byte -I /Users/mac1000/.opam/4.14.2/lib/bytes -I /Users/mac1000/.opam/4.14.2/lib/ocaml/threads -I /Users/mac1000/.opam/4.14.2/lib/ocplib-endian -I /Users/mac1000/.opam/4.14.2/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o src/unix/.lwt_unix.objs/byte/lwt_io.cmo -c -impl src/unix/lwt_io.ml) File "src/unix/lwt_io.ml", line 76, characters 2-45: 76 | mutable queued : unit Lwt.u Lwt_sequence.t; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): mutable record field queued is never mutated. (cd _build/default && /Users/mac1000/.opam/4.14.2/bin/ocamlopt.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -I src/unix/.lwt_unix.objs/byte -I src/unix/.lwt_unix.objs/native -I /Users/mac1000/.opam/4.14.2/lib/bytes -I /Users/mac1000/.opam/4.14.2/lib/ocaml/threads -I /Users/mac1000/.opam/4.14.2/lib/ocplib-endian -I /Users/mac1000/.opam/4.14.2/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -intf-suffix .ml -no-alias-deps -opaque -o src/unix/.lwt_unix.objs/native/lwt_io.cmx -c -impl src/unix/lwt_io.ml) File "src/unix/lwt_io.ml", line 76, characters 2-45: 76 | mutable queued : unit Lwt.u Lwt_sequence.t; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): mutable record field queued is never mutated. "/usr/bin/env" "bash" "-c" "cd ./src && opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build" failed with exit status 1 2025-08-22 08:09.43: Job failed: Failed: Build failed