2026-01-16 13:59.46: New job: test mirage/prometheus https://github.com/mirage/prometheus.git#refs/pull/51/head (abbb7fe253141a0eb9f85a45cdc224de411ffc9e) (linux-x86_64:ubuntu-25.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/prometheus.git" && cd "prometheus" && git fetch origin "refs/pull/51/head" && git reset --hard abbb7fe2 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e # ubuntu-25.04-5.4_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 prometheus.opam prometheus-app.opam ./ RUN opam pin add -yn prometheus.dev './' && \ opam pin add -yn prometheus-app.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="alcotest.1.9.1 alcotest-lwt.1.9.1 angstrom.0.16.1 asetmap.0.8.1 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.3.21.0 dune-configurator.3.21.0 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 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 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 prometheus.dev prometheus-app.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 2026-01-16 13:59.46: Using cache hint "mirage/prometheus-ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e-ubuntu-25.04-5.4_opam-2.5-2c68810a3d6581f18addd58ac2c76a74" 2026-01-16 13:59.46: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e) (comment ubuntu-25.04-5.4_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src prometheus.opam prometheus-app.opam) (dst ./)) (run (network host) (shell "opam pin add -yn prometheus.dev './' && \ \nopam pin add -yn prometheus-app.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 asetmap.0.8.1 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.3.21.0 dune-configurator.3.21.0 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 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 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 prometheus.dev prometheus-app.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")) ) 2026-01-16 13:59.46: Waiting for resource in pool OCluster 2026-01-16 18:49.21: Waiting for worker… 2026-01-16 18:52.48: Got resource from pool OCluster Building on toxis.caelum.ci.dev All commits already cached HEAD is now at abbb7fe Add option to allow specifying address to bind to (from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e) Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e' locally docker.io/ocaml/opam@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e: Pulling from ocaml/opam c62190a9ab61: Already exists 40711a051401: Already exists c085f5ff2319: Already exists 412ed4068436: Already exists 2f55881e7c17: Already exists 208628d88256: Already exists 15e39b9245ec: Already exists dd37ca65b191: Already exists 6eed2619f1f0: Already exists 220a6634738b: Already exists 5ae888d7638a: Already exists 99610966bbbb: Already exists 98b09a045b22: Already exists 2c04c9e7274a: Already exists 839afca287cc: Already exists ccf7dd9d1cbf: Already exists b6ea8c876c09: Already exists b6ea8c876c09: Already exists 15f333aabb94: Already exists 477b7eb2609b: Already exists 3326c27d9244: Already exists b8cb47717717: Already exists 4f4fb700ef54: Already exists 2e070f5cd521: Already exists 94b1b55e95dc: Already exists 07aa22141608: Already exists d7bb015da553: Already exists 9d41ae5c57e0: Already exists 85a0ef716932: Already exists ca92d3abca91: Already exists e8a350942cff: Already exists a308a5ee6283: Already exists 902174a11eba: Already exists 2f1e88d133e2: Already exists e5494899f718: Already exists caabb7f758c8: Already exists 9fd1a2a689c5: Already exists 7225c58bd868: Already exists 375136ad4a52: Already exists d8ed724e7e78: Already exists fa6cb0010cc2: Already exists 7a4ac6136774: Pulling fs layer 68dac621d855: Pulling fs layer c4c945b7952a: Pulling fs layer 82508e166aa6: Pulling fs layer b3d9e5e5650d: Pulling fs layer effaa85b6e23: Pulling fs layer a78f9876cc47: Pulling fs layer 82508e166aa6: Waiting effaa85b6e23: Waiting b3d9e5e5650d: Waiting 7a4ac6136774: Verifying Checksum 7a4ac6136774: Download complete 7a4ac6136774: Pull complete c4c945b7952a: Verifying Checksum c4c945b7952a: Download complete 68dac621d855: Verifying Checksum 68dac621d855: Download complete 68dac621d855: Pull complete b3d9e5e5650d: Verifying Checksum b3d9e5e5650d: Download complete c4c945b7952a: Pull complete a78f9876cc47: Verifying Checksum a78f9876cc47: Download complete effaa85b6e23: Verifying Checksum effaa85b6e23: Download complete 82508e166aa6: Verifying Checksum 82508e166aa6: Download complete 82508e166aa6: Pull complete b3d9e5e5650d: Pull complete effaa85b6e23: Pull complete a78f9876cc47: Pull complete Digest: sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e Status: Downloaded newer image for ocaml/opam@sha256:d19a4c57d61eb7a51c0effd94fb44b0b4e30ba81785e39e73214dda1dd5e943e 2026-01-16 18:52.49 ---> using "81b1d3789e01a6df8461f44a41719d2300e9038bbcb2d3d1a116ff5a644387d7" from cache /: (comment ubuntu-25.04-5.4_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")) 2026-01-16 18:52.49 ---> using "984a4f282acc7834ac25f8d4da56f347795e1ee5c79e8b79da47f62146554b07" 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. [NOTE] The 'jobs' option was reset, its value was 255 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=255 --global <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-16 18:52.49 ---> using "fe9ce9f59e2b3ce907b2ca5cd45930388ccdfae57a8e6bdc6bdb669325624e64" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-134-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-01-16 18:52.49 ---> using "b38e44cb6a376a1d9533ab4151a1effa3b36cf4a05ba200cc11bf6e210609486" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-16 18:52.49 ---> using "7dd1213b025f2d5f808fa5486984ca599ac62c0916bb84ee15193cfd57842439" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD a6b2f19780..92679ed614 master -> origin/master 873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-16 18:52.49 ---> using "f886557d72898adee995a25b2811683be1d6786312a8484058cb85e90d53ed14" from cache /src: (copy (src prometheus.opam prometheus-app.opam) (dst ./)) 2026-01-16 18:52.49 ---> using "552a64cb4ad65bd5133b1ea12d08c8cb03c0ba4132c92698e568bee5731c89f8" from cache /src: (run (network host) (shell "opam pin add -yn prometheus.dev './' && \ \nopam pin add -yn prometheus-app.dev './'")) [prometheus.dev] synchronised (file:///src) prometheus is now pinned to file:///src (version dev) [prometheus-app.dev] synchronised (file:///src) prometheus-app is now pinned to file:///src (version dev) 2026-01-16 18:52.49 ---> using "62c796d2e1d8bc3d4bb261614d60a61860a4bfe4ff9f7b051a8c5f0263826aba" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-16 18:52.49 ---> using "feb6ee1eb0eeb848d0866fe93ce29f1740741e8cd2f786d97640a3af015f5698" from cache /src: (env DEPS "alcotest.1.9.1 alcotest-lwt.1.9.1 angstrom.0.16.1 asetmap.0.8.1 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.3.21.0 dune-configurator.3.21.0 duration.0.2.1 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 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 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 prometheus.dev prometheus-app.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease - Get:2 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB] - Get:3 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [471 kB] - Get:5 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB] - Get:6 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [329 kB] - Get:7 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [368 kB] - Get:8 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [247 kB] - Get:9 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [337 kB] - Fetched 2130 kB in 1s (2553 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [prometheus.dev] synchronised (file:///src) [prometheus-app.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:amd64. - (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 ... 16533 files and directories currently installed.) - Preparing to unpack .../0-libgmpxx4ldbl_2%3a6.3.0+dfsg-3ubuntu1_amd64.deb ... - Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3ubuntu1) ... - Selecting previously unselected package libgmp-dev:amd64. - Preparing to unpack .../1-libgmp-dev_2%3a6.3.0+dfsg-3ubuntu1_amd64.deb ... - Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-3ubuntu1) ... - Selecting previously unselected package libpkgconf3:amd64. - Preparing to unpack .../2-libpkgconf3_1.8.1-4_amd64.deb ... - Unpacking libpkgconf3:amd64 (1.8.1-4) ... - Selecting previously unselected package pkgconf-bin. - Preparing to unpack .../3-pkgconf-bin_1.8.1-4_amd64.deb ... - Unpacking pkgconf-bin (1.8.1-4) ... - Selecting previously unselected package pkgconf:amd64. - Preparing to unpack .../4-pkgconf_1.8.1-4_amd64.deb ... - Unpacking pkgconf:amd64 (1.8.1-4) ... - Selecting previously unselected package pkg-config:amd64. - Preparing to unpack .../5-pkg-config_1.8.1-4_amd64.deb ... - Unpacking pkg-config:amd64 (1.8.1-4) ... - Setting up libpkgconf3:amd64 (1.8.1-4) ... - Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3ubuntu1) ... - Setting up pkgconf-bin (1.8.1-4) ... - Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-3ubuntu1) ... - Setting up pkgconf:amd64 (1.8.1-4) ... - Setting up pkg-config:amd64 (1.8.1-4) ... - Processing triggers for libc-bin (2.41-6ubuntu1.2) ... # To update the current shell environment, run: eval $(opam env) 2026-01-16 18:53.16 ---> saved as "01b30b634830f4bbd19e51d2454c4e9b428ce8f19baced7fa77ae02042507ad4" /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 68 packages - install alcotest 1.9.1 - install alcotest-lwt 1.9.1 - install angstrom 0.16.1 - install asetmap 0.8.1 - 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 3.21.0 - install dune-configurator 3.21.0 - 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 5.6.1 - install ipaddr-sexp 5.6.1 - install kdf 1.0.0 - install logs 0.10.0 - install lwt 6.0.0 - install macaddr 5.6.1 - install magic-mime 1.3.1 - install mirage-crypto 2.0.2 - install mirage-crypto-ec 2.0.2 - install mirage-crypto-pk 2.0.2 - install mirage-crypto-rng 2.0.2 - 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 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 asetmap.0.8.1 (cached) -> retrieved asn1-combinators.0.3.2 (cached) -> retrieved base64.3.5.2 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved base.v0.17.3 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved bos.0.2.1 (cached) -> retrieved ca-certs.1.0.1 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved conf-gmp.5 (cached) -> retrieved conf-gmp-powm-sec.4 (cached) -> retrieved cohttp.6.2.1, cohttp-lwt.6.2.1, cohttp-lwt-unix.6.2.1, http.6.2.1 (cached) -> retrieved conduit.8.0.0, conduit-lwt.8.0.0, conduit-lwt-unix.8.0.0 (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.5.6.1, ipaddr-sexp.5.6.1, macaddr.5.6.1 (cached) -> retrieved kdf.1.0.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved lwt.6.0.0 (cached) -> retrieved magic-mime.1.3.1 (cached) -> retrieved digestif.1.3.0 (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) -> 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 dune.3.21.0, dune-configurator.3.21.0 (cached) -> retrieved mirage-crypto.2.0.2, mirage-crypto-ec.2.0.2, mirage-crypto-pk.2.0.2, mirage-crypto-rng.2.0.2 (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) -> installed cmdliner.2.1.0 -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved stringext.1.6.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved zarith.1.14 (cached) -> retrieved uri.4.4.0, uri-sexp.4.4.0 (cached) -> retrieved x509.1.0.6 (cached) -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed zarith.1.14 -> installed topkg.1.1.1 -> installed asetmap.0.8.1 -> installed rresult.0.7.0 -> installed uutf.1.0.4 -> installed fmt.0.11.0 -> installed ptime.1.2.0 -> installed astring.0.8.5 -> installed fpath.0.7.3 -> installed dune.3.21.0 -> installed gmap.0.3.0 -> installed duration.0.2.1 -> installed base64.3.5.2 -> installed csexp.1.5.2 -> installed asn1-combinators.0.3.2 -> installed domain-name.0.5.0 -> installed eqaf.0.10 -> installed http.6.2.1 -> installed macaddr.5.6.1 -> installed magic-mime.1.3.1 -> installed ocaml-compiler-libs.v0.17.0 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed ohex.0.2.0 -> installed ppx_derivers.1.2.1 -> installed sexplib0.v0.17.0 -> installed re.1.14.0 -> installed cppo.1.8.0 -> installed stdlib-shims.0.3.0 -> installed stringext.1.6.0 -> installed ocplib-endian.1.2 -> installed ipaddr.5.6.1 -> installed digestif.1.3.0 -> installed alcotest.1.9.1 -> installed dune-configurator.3.21.0 -> installed bigstringaf.0.10.0 -> installed angstrom.0.16.1 -> installed uri.4.4.0 -> installed mirage-crypto.2.0.2 -> installed kdf.1.0.0 -> installed lwt.6.0.0 -> installed logs.0.10.0 -> installed alcotest-lwt.1.9.1 -> installed mirage-crypto-rng.2.0.2 -> installed mirage-crypto-pk.2.0.2 -> installed base.v0.17.3 -> installed bos.0.2.1 -> installed mirage-crypto-ec.2.0.2 -> installed x509.1.0.6 -> installed ca-certs.1.0.1 -> installed ppxlib.0.37.0 -> installed ppxlib_jane.v0.17.4 -> installed ppx_sexp_conv.v0.17.1 -> installed uri-sexp.4.4.0 -> installed ipaddr-sexp.5.6.1 -> 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) 2026-01-16 18:57.34 ---> saved as "b52ae3bedbc360f573da8dbf74e2e0c6cb6e12430f5a3e667f1691e41c55e572" /src: (copy (src .) (dst /src)) 2026-01-16 18:57.34 ---> saved as "df600861a4523f4782b40cc7bf3c43a2077e774ea1e22028ae08befb0ae0f596" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/tests && ./test.exe) Testing `prometheus'. This run has ID `J7BDKI4D'. [OK] main 0 Metrics. [OK] main 1 Lwt collectors. [OK] main 2 Histogram. [OK] valid_labels 0 _. [OK] valid_labels 1 a. [OK] valid_labels 2 aA0b1B9c8C7z6Z5y4Y3x2X1. [OK] valid_labels 3 _______. [OK] invalid_labels 0 [OK] invalid_labels 1 1. [OK] invalid_labels 2 a bad label. [OK] valid_metrics 0 _. [OK] valid_metrics 1 :. [OK] valid_metrics 2 aA0b1B9c8C7z6Z5y4Y3x:2X1. [OK] valid_metrics 3 :::::::. [OK] invalid_metrics 0 [OK] invalid_metrics 1 1. [OK] invalid_metrics 2 a bad metric. Full test results in `/src/_build/default/tests/_build/_tests/prometheus'. Test Successful in 0.002s. 17 tests run. 2026-01-16 18:57.38 ---> saved as "3399613402a18df81a3bb8c402cd1f868ca0b68b14e8cc032c4ad952ea11f5f9" Job succeeded 2026-01-16 18:57.38: Job succeeded