2026-01-05 07:30.30: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/prepare-lwt6-release (9cc057e438b77b060a2878fa8f7897c1ab57cfce) (linux-x86_64:debian-13-4.12_opam-2.4) Base: ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "prepare-lwt6-release" && cd "lwt" && git reset --hard 9cc057e4 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a # debian-13-4.12_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src 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 COPY --chown=1000:1000 lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam ./ RUN opam pin add -yn lwt_runtime_events.dev './' && \ opam pin add -yn lwt_retry.dev './' && \ opam pin add -yn lwt_react.dev './' && \ opam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \ opam pin add -yn lwt_ppx.dev './' && \ opam pin add -yn lwt_direct.dev './' && \ opam pin add -yn lwt.dev './' RUN echo '(lang dune 3.0)' > './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.3.20.2 dune-configurator.3.20.2 lwt.6.0.0~alpha00 ocaml.4.12.1 ocaml-base-compiler.4.12.1 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.0.37.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1" 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-05 07:30.30: Using cache hint "ocsigen/lwt-ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a-debian-13-4.12_opam-2.4-a4ddd42ba3528236238a15a60df80070" 2026-01-05 07:30.30: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a) (comment debian-13-4.12_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.4 /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 c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam) (dst ./)) (run (network host) (shell "opam pin add -yn lwt_runtime_events.dev './' && \ \nopam pin add -yn lwt_retry.dev './' && \ \nopam pin add -yn lwt_react.dev './' && \ \nopam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \ \nopam pin add -yn lwt_ppx.dev './' && \ \nopam pin add -yn lwt_direct.dev './' && \ \nopam pin add -yn lwt.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './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.3.20.2 dune-configurator.3.20.2 lwt.6.0.0~alpha00 ocaml.4.12.1 ocaml-base-compiler.4.12.1 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.0.37.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1") (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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.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 --only-packages=lwt_retry,lwt_react,lwt_ppx @install @check @runtest && rm -rf _build")) ) 2026-01-05 07:30.30: Waiting for resource in pool OCluster 2026-01-05 07:30.30: Waiting for worker… 2026-01-05 07:30.30: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at 9cc057e43 Merge branch 'master' into prepare-lwt6-release (from ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a) Unable to find image 'ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a' locally docker.io/ocaml/opam@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a: Pulling from ocaml/opam 2981f7e8980b: Already exists 9c63e1c4ba84: Already exists 02578b9c9f1b: Already exists 3801cb7ba5e6: Already exists 1c4cdedd39f1: Already exists 40f6006c5f5a: Already exists c451a17216ec: Already exists e4104b8f72ee: Already exists 7c7dbc5e7919: Already exists aa82be714e7c: Already exists 922520f12384: Already exists 9bfea042cef8: Already exists 1244979f7c21: Already exists 7583a0e34f94: Already exists 14bef3f2665a: Already exists 3a4b42ce6cb5: Already exists b0a08a900877: Already exists b0a08a900877: Already exists 16ac87e68d60: Already exists 74ac6e8c9b82: Already exists b41290a57dc5: Already exists 592e5bcb7159: Already exists 4f4fb700ef54: Already exists 1db0705661a3: Already exists 76bb8e35b9cc: Already exists 3bc9d98c3b49: Already exists 7096ef42e6c0: Already exists cd0e70de8125: Already exists 23ffab57f98e: Already exists b974353d8023: Already exists c74fba566723: Already exists 5ad399846f45: Already exists 3e7203fa3980: Already exists 0b8915d2a92b: Already exists e68c7a56c438: Already exists 9024d680a167: Already exists 3c7c73421b6e: Already exists 7134fa9b4278: Already exists 9d94fb523099: Already exists 20d06dbdae7e: Already exists b9a45e537661: Already exists 2ede2ddc2495: Pulling fs layer 2ede2ddc2495: Waiting 90618cb27e55: Pulling fs layer f8c1ae88daf6: Pulling fs layer 4afa8689ae83: Pulling fs layer 90618cb27e55: Waiting f8c1ae88daf6: Waiting 4afa8689ae83: Waiting 90618cb27e55: Verifying Checksum 90618cb27e55: Download complete f8c1ae88daf6: Verifying Checksum f8c1ae88daf6: Download complete 4afa8689ae83: Verifying Checksum 4afa8689ae83: Download complete 2ede2ddc2495: Verifying Checksum 2ede2ddc2495: Download complete 2ede2ddc2495: Pull complete 90618cb27e55: Pull complete f8c1ae88daf6: Pull complete 4afa8689ae83: Pull complete Digest: sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a Status: Downloaded newer image for ocaml/opam@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a 2026-01-05 07:31.43 ---> saved as "c6b8ba26269bede3ec915c3d1cb4e21bf07ca291d8c3b0f2ea655411615b77d4" /: (comment debian-13-4.12_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2026-01-05 07:31.43 ---> saved as "c0cd2fba0907a86cc9c71cce10bb7cc29b16f68887950186a401f764b04c8a9f" /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] y [NOTE] The 'jobs' option was reset, its value was 71 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=71 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-05 07:32.06 ---> saved as "590049f02a82e80407a427e2cfcf2e26906769ff1e957f1efdf5f3a9b2f7a5df" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-87-generic The OCaml toplevel, version 4.12.1 2.4.1 2026-01-05 07:32.06 ---> saved as "2af5ea08c29e1a57ede610a50d11b6b301633761e4da5911c50e04c9a1dda605" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-05 07:32.07 ---> saved as "d5191a541b526edc4ea871760fd03a8d0d9cfef81b82a0b7c87c4ded07af167f" /src: (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..71325ac6ed master -> origin/master c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything 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.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-05 07:32.26 ---> saved as "9db00525bcabe87bfc4498a0cb3e29fb161e22b719f6456ecac934721fd64dee" /src: (copy (src lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam) (dst ./)) 2026-01-05 07:32.26 ---> saved as "330ea06243c334b36bf0a759eeeaa814f1a6188eb85405a76441c93ac50d54e2" /src: (run (network host) (shell "opam pin add -yn lwt_runtime_events.dev './' && \ \nopam pin add -yn lwt_retry.dev './' && \ \nopam pin add -yn lwt_react.dev './' && \ \nopam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \ \nopam pin add -yn lwt_ppx.dev './' && \ \nopam pin add -yn lwt_direct.dev './' && \ \nopam pin add -yn lwt.dev './'")) [lwt_runtime_events.dev] synchronised (file:///src) lwt_runtime_events is now pinned to file:///src (version dev) [lwt_retry.dev] synchronised (file:///src) lwt_retry is now pinned to file:///src (version dev) [lwt_react.dev] synchronised (file:///src) lwt_react is now pinned to file:///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:///src) [WARNING] Failed checks on lwt_ppx__ppx_let_tests package definition from source at file:///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:///src (version dev) [lwt_ppx.dev] synchronised (file:///src) lwt_ppx is now pinned to file:///src (version dev) [lwt_direct.dev] synchronised (file:///src) lwt_direct is now pinned to file:///src (version dev) [lwt.dev] synchronised (file:///src) lwt is now pinned to file:///src (version dev) 2026-01-05 07:32.35 ---> saved as "0139040b7e72f209270fd1a24bd77d8474f6530de69724fe3312effb6a320205" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-05 07:32.35 ---> saved as "f305ff9837c8e5333df1d98532b75211950ed997351b39a4806e87d165cc2392" /src: (env DEPS "base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 lwt.6.0.0~alpha00 ocaml.4.12.1 ocaml-base-compiler.4.12.1 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.0.37.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1") /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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.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 [94.0 kB] - Fetched 185 kB in 0s (1363 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt.dev] synchronised (file:///src) [lwt_ppx.dev] synchronised (file:///src) [lwt_react.dev] synchronised (file:///src) [lwt_retry.dev] synchronised (file:///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 4.12.1). [NOTE] Package ocaml is already installed (current version is 4.12.1). [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). [ERROR] lwt = 6.0.0~alpha00: not available because the package is pinned to version dev "/usr/bin/env" "bash" "-c" "opam update --depexts && opam install --cli=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.dev $DEPS" failed with exit status 5 2026-01-05 07:32.38: Job failed: Failed: Build failed