2026-02-20 10:08.37: New job: test hyper-systems/ocaml-mqtt https://github.com/hyper-systems/ocaml-mqtt.git#refs/heads/master (ee6f43c284b35e7d5f83012fd97daffa99302581) (linux-s390x:debian-13-5.4_s390x_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff Opam project build To reproduce locally: git clone --recursive "https://github.com/hyper-systems/ocaml-mqtt.git" -b "master" && cd "ocaml-mqtt" && git reset --hard ee6f43c2 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff # debian-13-5.4_s390x_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /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 d18d14011e4188f5c398421e2e99b297dd8150fb || git fetch origin master) && git reset -q --hard d18d14011e4188f5c398421e2e99b297dd8150fb && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 mqtt.opam ./ RUN opam pin add -yn mqtt.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="alcotest.1.9.1 alcotest-lwt.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-name.0.5.0 dune.3.21.1 dune-configurator.3.21.1 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.2 ipaddr-sexp.5.6.2 kdf.1.0.0 logs.0.10.0 lwt.6.1.0 lwt_ppx.6.1.0 macaddr.5.6.2 magic-mime.1.3.1 mirage-crypto.2.0.3 mirage-crypto-ec.2.0.3 mirage-crypto-pk.2.0.3 mirage-crypto-rng.2.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 tls.2.0.3 tls-lwt.2.0.3 topkg.1.1.1 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 zarith.1.14" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mqtt.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-02-20 10:08.37: Using cache hint "hyper-systems/ocaml-mqtt-ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff-debian-13-5.4_s390x_opam-2.5-b1e25618ab55d6e6929d300f57e6326f" 2026-02-20 10:08.37: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff) (comment debian-13-5.4_s390x_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 d18d14011e4188f5c398421e2e99b297dd8150fb || git fetch origin master) && git reset -q --hard d18d14011e4188f5c398421e2e99b297dd8150fb && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src mqtt.opam) (dst ./)) (run (network host) (shell "opam pin add -yn mqtt.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "alcotest.1.9.1 alcotest-lwt.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-name.0.5.0 dune.3.21.1 dune-configurator.3.21.1 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.2 ipaddr-sexp.5.6.2 kdf.1.0.0 logs.0.10.0 lwt.6.1.0 lwt_ppx.6.1.0 macaddr.5.6.2 magic-mime.1.3.1 mirage-crypto.2.0.3 mirage-crypto-ec.2.0.3 mirage-crypto-pk.2.0.3 mirage-crypto-rng.2.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 tls.2.0.3 tls-lwt.2.0.3 topkg.1.1.1 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 zarith.1.14") (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 mqtt.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")) ) 2026-02-20 10:08.37: Waiting for resource in pool OCluster 2026-02-20 10:08.37: Waiting for worker… 2026-02-20 17:11.04: Got resource from pool OCluster Building on s390x-worker-01.marist.ci.dev All commits already cached HEAD is now at ee6f43c Merge pull request #20 from hyper-systems/rizo-opam-install (from ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff' locally docker.io/ocaml/opam@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff: Pulling from ocaml/opam Digest: sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff Status: Downloaded newer image for ocaml/opam@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff 2026-02-20 17:11.04 ---> using "f46092bc7b56a9f31907b011f3c0d41957ea0f32efdd7a78133da055f1da0eb1" from cache /: (comment debian-13-5.4_s390x_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")) 2026-02-20 17:11.04 ---> using "796333135c40977069543e99abb85c29e800da596929f223ef5a1172905ad9e3" 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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-02-20 17:11.04 ---> using "9740694339c4e30b7294aaae86f1fc1a5e16059525aa76017d6e84fdd5b42fcf" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-71-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-02-20 17:11.04 ---> using "6db426180fe5022ed54c9185f1b76dfa29c93d967854f1d8920d7cc6bbb46406" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-02-20 17:11.04 ---> using "1e075cff059ed7cbd40486a3a499a2497d882d8aaa72bce4e66670a863185008" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e d18d14011e4188f5c398421e2e99b297dd8150fb || git fetch origin master) && git reset -q --hard d18d14011e4188f5c398421e2e99b297dd8150fb && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 340ee6fd1f..d18d14011e master -> origin/master d18d14011e Merge pull request #29430 from hannesm/release-ipaddr-v5.6.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.1"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-02-20 17:11.04 ---> using "d4456a8c4a62178214ab4bc5679087ec4ce897db23720ed44bf909d2beb41fdf" from cache /src: (copy (src mqtt.opam) (dst ./)) 2026-02-20 17:11.12 ---> saved as "a7e5ad3b31e11d514182e6ec0c3d456f39d5f868683e6e21ed69cf4814e43603" /src: (run (network host) (shell "opam pin add -yn mqtt.dev './'")) [mqtt.dev] synchronised (file:///src) mqtt is now pinned to file:///src (version dev) 2026-02-20 17:11.18 ---> saved as "0ab3db24e596d101724b18f99f436a762f023c2143e3d1811250f8ca9279d396" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-02-20 17:11.19 ---> saved as "77b714a09e8c0a6c295a2e3e9ce3e65ac16c2c855e1004c2699953752ab13e89" /src: (env DEPS "alcotest.1.9.1 alcotest-lwt.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-name.0.5.0 dune.3.21.1 dune-configurator.3.21.1 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.2 ipaddr-sexp.5.6.2 kdf.1.0.0 logs.0.10.0 lwt.6.1.0 lwt_ppx.6.1.0 macaddr.5.6.2 magic-mime.1.3.1 mirage-crypto.2.0.3 mirage-crypto-ec.2.0.3 mirage-crypto-pk.2.0.3 mirage-crypto-rng.2.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 tls.2.0.3 tls-lwt.2.0.3 topkg.1.1.1 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 zarith.1.14") /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 mqtt.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 s390x Packages [102 kB] - Fetched 192 kB in 0s (1123 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [mqtt.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 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 system packages will first need to be installed: libgmp-dev pkg-config <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libgmp-dev" "pkg-config" - Selecting previously unselected package libgmpxx4ldbl:s390x. - (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% - (Reading database ... 100% (Reading database ... 20413 files and directories currently installed.) - Preparing to unpack .../0-libgmpxx4ldbl_2%3a6.3.0+dfsg-3_s390x.deb ... - Unpacking libgmpxx4ldbl:s390x (2:6.3.0+dfsg-3) ... - Selecting previously unselected package libgmp-dev:s390x. - Preparing to unpack .../1-libgmp-dev_2%3a6.3.0+dfsg-3_s390x.deb ... - Unpacking libgmp-dev:s390x (2:6.3.0+dfsg-3) ... - Selecting previously unselected package libpkgconf3:s390x. - Preparing to unpack .../2-libpkgconf3_1.8.1-4_s390x.deb ... - Unpacking libpkgconf3:s390x (1.8.1-4) ... - Selecting previously unselected package pkgconf-bin. - Preparing to unpack .../3-pkgconf-bin_1.8.1-4_s390x.deb ... - Unpacking pkgconf-bin (1.8.1-4) ... - Selecting previously unselected package pkgconf:s390x. - Preparing to unpack .../4-pkgconf_1.8.1-4_s390x.deb ... - Unpacking pkgconf:s390x (1.8.1-4) ... - Selecting previously unselected package pkg-config:s390x. - Preparing to unpack .../5-pkg-config_1.8.1-4_s390x.deb ... - Unpacking pkg-config:s390x (1.8.1-4) ... - Setting up libpkgconf3:s390x (1.8.1-4) ... - Setting up libgmpxx4ldbl:s390x (2:6.3.0+dfsg-3) ... - Setting up pkgconf-bin (1.8.1-4) ... - Setting up libgmp-dev:s390x (2:6.3.0+dfsg-3) ... - Setting up pkgconf:s390x (1.8.1-4) ... - Setting up pkg-config:s390x (1.8.1-4) ... - Processing triggers for libc-bin (2.41-12+deb13u1) ... # To update the current shell environment, run: eval $(opam env) 2026-02-20 17:11.36 ---> saved as "81e721a515d0e1ea49462147d4ddf76f6129ffa77eeb0a5b4bda96611cd1b1e6" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (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 70 packages - install alcotest 1.9.1 - install alcotest-lwt 1.9.1 - install angstrom 0.16.1 - install asn1-combinators 0.3.2 - install astring 0.8.5 - install base v0.17.3 - install base-bytes base - install base64 3.5.2 - install bigstringaf 0.10.0 - install bos 0.2.1 - install ca-certs 1.0.1 - install cmdliner 2.1.0 - install cohttp 6.2.1 - install cohttp-lwt 6.2.1 - install cohttp-lwt-unix 6.2.1 - install conduit 8.0.0 - install conduit-lwt 8.0.0 - install conduit-lwt-unix 8.0.0 - install conf-gmp 5 - install conf-gmp-powm-sec 4 - install conf-pkg-config 4 - install cppo 1.8.0 - install csexp 1.5.2 - install digestif 1.3.0 - install domain-name 0.5.0 - install dune 3.21.1 - install dune-configurator 3.21.1 - install duration 0.2.1 - install eqaf 0.10 - install fmt 0.11.0 - install fpath 0.7.3 - install gmap 0.3.0 - install http 6.2.1 - install ipaddr 5.6.2 - install ipaddr-sexp 5.6.2 - install kdf 1.0.0 - install logs 0.10.0 - install lwt 6.1.0 - install lwt_ppx 6.1.0 - install macaddr 5.6.2 - install magic-mime 1.3.1 - install mirage-crypto 2.0.3 - install mirage-crypto-ec 2.0.3 - install mirage-crypto-pk 2.0.3 - install mirage-crypto-rng 2.0.3 - install ocaml-compiler-libs v0.17.0 - install ocaml-syntax-shims 1.0.0 - install ocaml_intrinsics_kernel v0.17.1 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install ohex 0.2.0 - install ppx_derivers 1.2.1 - install ppx_sexp_conv v0.17.1 - install ppxlib 0.37.0 - install ppxlib_jane v0.17.4 - install ptime 1.2.0 - install re 1.14.0 - install rresult 0.7.0 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install stringext 1.6.0 - install tls 2.0.3 - install tls-lwt 2.0.3 - install topkg 1.1.1 - install uri 4.4.0 - install uri-sexp 4.4.0 - install uutf 1.0.4 - install x509 1.0.6 - install zarith 1.14 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved alcotest.1.9.1, alcotest-lwt.1.9.1 (cached) -> retrieved angstrom.0.16.1 (cached) -> retrieved asn1-combinators.0.3.2 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved base.v0.17.3 (cached) -> retrieved base64.3.5.2 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved bos.0.2.1 (cached) -> retrieved ca-certs.1.0.1 (cached) -> retrieved conduit.8.0.0, conduit-lwt.8.0.0, conduit-lwt-unix.8.0.0 (cached) -> retrieved conf-gmp.5 (cached) -> retrieved conf-gmp-powm-sec.4 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved cohttp.6.2.1, cohttp-lwt.6.2.1, cohttp-lwt-unix.6.2.1, http.6.2.1 (cached) -> retrieved cppo.1.8.0 (cached) -> installed conf-gmp.5 -> installed conf-pkg-config.4 -> retrieved csexp.1.5.2 (cached) -> retrieved domain-name.0.5.0 (cached) -> installed conf-gmp-powm-sec.4 -> retrieved duration.0.2.1 (cached) -> retrieved eqaf.0.10 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved gmap.0.3.0 (cached) -> retrieved ipaddr.5.6.2, ipaddr-sexp.5.6.2, macaddr.5.6.2 (cached) -> retrieved digestif.1.3.0 (cached) -> retrieved kdf.1.0.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved magic-mime.1.3.1 (cached) -> retrieved lwt.6.1.0, lwt_ppx.6.1.0 (cached) -> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached) -> retrieved mirage-crypto.2.0.3, mirage-crypto-ec.2.0.3, mirage-crypto-pk.2.0.3, mirage-crypto-rng.2.0.3 (cached) -> retrieved ocaml-compiler-libs.v0.17.0 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml_intrinsics_kernel.v0.17.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> installed cmdliner.2.1.0 -> retrieved ocplib-endian.1.2 (cached) -> retrieved ohex.0.2.0 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved ppx_sexp_conv.v0.17.1 (cached) -> retrieved ppxlib.0.37.0 (cached) -> retrieved ppxlib_jane.v0.17.4 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved re.1.14.0 (cached) -> retrieved rresult.0.7.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stringext.1.6.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uri.4.4.0, uri-sexp.4.4.0 (cached) -> retrieved tls.2.0.3, tls-lwt.2.0.3 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved x509.1.0.6 (cached) -> retrieved zarith.1.14 (cached) -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed ocamlbuild.0.16.1 -> installed zarith.1.14 -> installed topkg.1.1.1 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed rresult.0.7.0 -> installed ptime.1.2.0 -> installed fpath.0.7.3 -> installed uutf.1.0.4 -> installed dune.3.21.1 -> installed base64.3.5.2 -> installed csexp.1.5.2 -> installed asn1-combinators.0.3.2 -> installed cppo.1.8.0 -> installed domain-name.0.5.0 -> installed duration.0.2.1 -> installed gmap.0.3.0 -> installed eqaf.0.10 -> installed macaddr.5.6.2 -> installed http.6.2.1 -> installed dune-configurator.3.21.1 -> installed ipaddr.5.6.2 -> installed bigstringaf.0.10.0 -> installed magic-mime.1.3.1 -> installed ocaml-compiler-libs.v0.17.0 -> installed digestif.1.3.0 -> installed mirage-crypto.2.0.3 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed ocaml-syntax-shims.1.0.0 -> installed ocplib-endian.1.2 -> installed kdf.1.0.0 -> installed ohex.0.2.0 -> installed ppx_derivers.1.2.1 -> installed angstrom.0.16.1 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed re.1.14.0 -> installed lwt.6.1.0 -> installed alcotest.1.9.1 -> installed logs.0.10.0 -> installed stringext.1.6.0 -> installed alcotest-lwt.1.9.1 -> installed bos.0.2.1 -> installed base.v0.17.3 -> installed mirage-crypto-rng.2.0.3 -> installed uri.4.4.0 -> installed mirage-crypto-pk.2.0.3 -> installed mirage-crypto-ec.2.0.3 -> installed ppxlib.0.37.0 -> installed x509.1.0.6 -> installed ppxlib_jane.v0.17.4 -> installed ca-certs.1.0.1 -> installed lwt_ppx.6.1.0 -> installed tls.2.0.3 -> installed tls-lwt.2.0.3 -> installed ppx_sexp_conv.v0.17.1 -> installed uri-sexp.4.4.0 -> installed ipaddr-sexp.5.6.2 -> installed conduit.8.0.0 -> installed cohttp.6.2.1 -> installed conduit-lwt.8.0.0 -> installed cohttp-lwt.6.2.1 -> installed conduit-lwt-unix.8.0.0 -> installed cohttp-lwt-unix.6.2.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-02-20 17:14.47 ---> saved as "9b0d0d849a06444adbbe594ba5d64e12e607252897fe4e1890c8a85e51a985f9" /src: (copy (src .) (dst /src)) 2026-02-20 17:14.49 ---> saved as "59690c0a5b4bc6dbd781aefd5c4d11cc89c44359532227cc6addd136f8a9afd0" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/5.4/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 lib/mqtt_client/.mqtt_client.objs/byte -I lib/mqtt_client/.mqtt_client.objs/native -I /home/opam/.opam/5.4/lib/asn1-combinators -I /home/opam/.opam/5.4/lib/base64 -I /home/opam/.opam/5.4/lib/bytes -I /home/opam/.opam/5.4/lib/digestif -I /home/opam/.opam/5.4/lib/domain-name -I /home/opam/.opam/5.4/lib/eqaf -I /home/opam/.opam/5.4/lib/fmt -I /home/opam/.opam/5.4/lib/gmap -I /home/opam/.opam/5.4/lib/ipaddr -I /home/opam/.opam/5.4/lib/kdf/hkdf -I /home/opam/.opam/5.4/lib/kdf/pbkdf -I /home/opam/.opam/5.4/lib/logs -I /home/opam/.opam/5.4/lib/logs/lwt -I /home/opam/.opam/5.4/lib/lwt -I /home/opam/.opam/5.4/lib/lwt/unix -I /home/opam/.opam/5.4/lib/macaddr -I /home/opam/.opam/5.4/lib/mirage-crypto -I /home/opam/.opam/5.4/lib/mirage-crypto-ec -I /home/opam/.opam/5.4/lib/mirage-crypto-pk -I /home/opam/.opam/5.4/lib/mirage-crypto-rng -I /home/opam/.opam/5.4/lib/mirage-crypto-rng/unix -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/ocplib-endian -I /home/opam/.opam/5.4/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.4/lib/ohex -I /home/opam/.opam/5.4/lib/ptime -I /home/opam/.opam/5.4/lib/ptime/clock -I /home/opam/.opam/5.4/lib/tls -I /home/opam/.opam/5.4/lib/tls-lwt -I /home/opam/.opam/5.4/lib/x509 -I /home/opam/.opam/5.4/lib/zarith -cmi-file lib/mqtt_client/.mqtt_client.objs/byte/mqtt_client.cmi -no-alias-deps -opaque -open Mqtt_client__ -o lib/mqtt_client/.mqtt_client.objs/native/mqtt_client.cmx -c -impl lib/mqtt_client/Mqtt_client.pp.ml) File "lib/mqtt_client/Mqtt_client.ml", line 200, characters 18-58: 200 | | None -> open_tcp_connection ~client_id host port ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error: This expression has type (Lwt_io.input_channel * Lwt_io.output_channel) Lwt.t but an expression was expected of type (Lwt_io.input_channel * Lwt_io.output_channel, [> `Msg of string ]) result Lwt.t Type Lwt_io.input_channel * Lwt_io.output_channel is not compatible with type (Lwt_io.input_channel * Lwt_io.output_channel, [> `Msg of string ]) result (cd _build/default && /home/opam/.opam/5.4/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 -bin-annot-occurrences -I lib/mqtt_client/.mqtt_client.objs/byte -I /home/opam/.opam/5.4/lib/asn1-combinators -I /home/opam/.opam/5.4/lib/base64 -I /home/opam/.opam/5.4/lib/bytes -I /home/opam/.opam/5.4/lib/digestif -I /home/opam/.opam/5.4/lib/domain-name -I /home/opam/.opam/5.4/lib/eqaf -I /home/opam/.opam/5.4/lib/fmt -I /home/opam/.opam/5.4/lib/gmap -I /home/opam/.opam/5.4/lib/ipaddr -I /home/opam/.opam/5.4/lib/kdf/hkdf -I /home/opam/.opam/5.4/lib/kdf/pbkdf -I /home/opam/.opam/5.4/lib/logs -I /home/opam/.opam/5.4/lib/logs/lwt -I /home/opam/.opam/5.4/lib/lwt -I /home/opam/.opam/5.4/lib/lwt/unix -I /home/opam/.opam/5.4/lib/macaddr -I /home/opam/.opam/5.4/lib/mirage-crypto -I /home/opam/.opam/5.4/lib/mirage-crypto-ec -I /home/opam/.opam/5.4/lib/mirage-crypto-pk -I /home/opam/.opam/5.4/lib/mirage-crypto-rng -I /home/opam/.opam/5.4/lib/mirage-crypto-rng/unix -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/ocplib-endian -I /home/opam/.opam/5.4/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.4/lib/ohex -I /home/opam/.opam/5.4/lib/ptime -I /home/opam/.opam/5.4/lib/ptime/clock -I /home/opam/.opam/5.4/lib/tls -I /home/opam/.opam/5.4/lib/tls-lwt -I /home/opam/.opam/5.4/lib/x509 -I /home/opam/.opam/5.4/lib/zarith -cmi-file lib/mqtt_client/.mqtt_client.objs/byte/mqtt_client.cmi -no-alias-deps -opaque -open Mqtt_client__ -o lib/mqtt_client/.mqtt_client.objs/byte/mqtt_client.cmo -c -impl lib/mqtt_client/Mqtt_client.pp.ml) File "lib/mqtt_client/Mqtt_client.ml", line 200, characters 18-58: 200 | | None -> open_tcp_connection ~client_id host port ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error: This expression has type (Lwt_io.input_channel * Lwt_io.output_channel) Lwt.t but an expression was expected of type (Lwt_io.input_channel * Lwt_io.output_channel, [> `Msg of string ]) result Lwt.t Type Lwt_io.input_channel * Lwt_io.output_channel is not compatible with type (Lwt_io.input_channel * Lwt_io.output_channel, [> `Msg of string ]) result "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-02-20 17:15.03: Job failed: Failed: Build failed