2026-04-28 18:46.24: New job: test mirage/mirage-skeleton https://github.com/mirage/mirage-skeleton.git#refs/pull/420/head (01b3663b17dd8a979b9d53c150d6207f38621f47) (linux-x86_64:ubuntu-26.04-5.4_opam-2.5)Base: ocaml/opam:ubuntu-26.04-ocaml-5.4@sha256:23f9b6595fd2952b198a6391d29b6f92c0edcf528ec4c73ef7766b7810f23b93Opam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/mirage-skeleton.git" && cd "mirage-skeleton" && git fetch origin "refs/pull/420/head" && git reset --hard 01b3663bcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-26.04-ocaml-5.4@sha256:23f9b6595fd2952b198a6391d29b6f92c0edcf528ec4c73ef7766b7810f23b93# ubuntu-26.04-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 499ef09e251055ba35c2e994b86c609886b37a53 || git fetch origin master) && git reset -q --hard 499ef09e251055ba35c2e994b86c609886b37a53 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 mirage-skeleton.opam ./RUN opam pin add -yn mirage-skeleton.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="angstrom.0.16.1 astring.0.8.5 base-bigarray.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.0.3.0 cmdliner.2.1.1 conf-pkg-config.4 csexp.1.5.2 domain-name.0.5.0 dune.3.22.2 dune-configurator.3.22.2 emile.1.1 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 macaddr.5.6.2 mirage.4.10.6 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 opam-monorepo.0.4.3 pecu.0.7 rresult.0.7.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 uutf.1.0.4"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-skeleton.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-28 18:46.24: Using cache hint "mirage/mirage-skeleton-ocaml/opam:ubuntu-26.04-ocaml-5.4@sha256:23f9b6595fd2952b198a6391d29b6f92c0edcf528ec4c73ef7766b7810f23b93-ubuntu-26.04-5.4_opam-2.5-74150c6b78a7af89b4bcf7092ce1d54c"2026-04-28 18:46.24: Using OBuilder spec:((from ocaml/opam:ubuntu-26.04-ocaml-5.4@sha256:23f9b6595fd2952b198a6391d29b6f92c0edcf528ec4c73ef7766b7810f23b93)(comment ubuntu-26.04-5.4_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 499ef09e251055ba35c2e994b86c609886b37a53 || git fetch origin master) && git reset -q --hard 499ef09e251055ba35c2e994b86c609886b37a53 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src mirage-skeleton.opam) (dst ./))(run (network host)(shell "opam pin add -yn mirage-skeleton.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "angstrom.0.16.1 astring.0.8.5 base-bigarray.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.0.3.0 cmdliner.2.1.1 conf-pkg-config.4 csexp.1.5.2 domain-name.0.5.0 dune.3.22.2 dune-configurator.3.22.2 emile.1.1 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 macaddr.5.6.2 mirage.4.10.6 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 opam-monorepo.0.4.3 pecu.0.7 rresult.0.7.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 uutf.1.0.4")(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 mirage-skeleton.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")))2026-04-28 18:46.24: Waiting for resource in pool OCluster2026-04-28 19:19.46: Waiting for worker…2026-04-28 19:23.09: Got resource from pool OClusterBuilding on bremusa.ocamllabs.ioAll commits already cachedHEAD is now at 01b3663 Bump ocamlformat version(from ocaml/opam:ubuntu-26.04-ocaml-5.4@sha256:23f9b6595fd2952b198a6391d29b6f92c0edcf528ec4c73ef7766b7810f23b93)2026-04-28 19:23.10 ---> using "adfe62a45dcf1f3d9a164e7f0368fcd193a49fd597399c1056161905cce9782f" from cache/: (comment ubuntu-26.04-5.4_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"))2026-04-28 19:23.10 ---> using "b9838b293e5f89d62a9632e502da1025454ab6b34001005252ead3cf4dde9f8d" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-28 19:23.10 ---> using "fc799b5b75670c49b5dcd664b948892af46813078beb8491ffa32208b628d37b" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 5.4.12.5.12026-04-28 19:23.10 ---> using "4c43701be6bba98acfc33570ce6b1e0d025c02dabce58a2d606d8dadaee56a1a" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-28 19:23.10 ---> using "964d8523f4b7cfafa163e75bd9a7a84f3117f3f0b733287929a5d7b9e61d5bb1" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 499ef09e251055ba35c2e994b86c609886b37a53 || git fetch origin master) && git reset -q --hard 499ef09e251055ba35c2e994b86c609886b37a53 && git log --no-decorate -n1 --oneline && opam update -u"))499ef09e25 Merge pull request #29791 from dbuenzli/b0-publish-bos.0.3.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleHowever, 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)2026-04-28 19:23.10 ---> using "bc38af7c10c640d76135490b4f6e2135ab9bbc98a6bdbf328fb60a543ca948bd" from cache/src: (copy (src mirage-skeleton.opam) (dst ./))2026-04-28 19:23.10 ---> using "64dda65616c87c4ff87e72950d05c1d22ef7913c50eae0bcbcc03f3b902a0dd5" from cache/src: (run (network host)(shell "opam pin add -yn mirage-skeleton.dev './'"))[NOTE] Package mirage-skeleton does not exist in opam repositories registered in the current switch.[mirage-skeleton.dev] synchronised (file:///src)[WARNING] Failed checks on mirage-skeleton package definition from source at file:///src:warning 68: Missing field 'license'mirage-skeleton is now pinned to file:///src (version dev)2026-04-28 19:23.10 ---> using "e8ed85a659ac97813c0677cf258904eeb2316016b7737fb5b65887fca9b3a26a" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-28 19:23.10 ---> using "43af1d2543ba1bdd9ecfd126b5462eac3e587e406a05cd852a6f22cc26faf4e3" from cache/src: (env DEPS "angstrom.0.16.1 astring.0.8.5 base-bigarray.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.0.3.0 cmdliner.2.1.1 conf-pkg-config.4 csexp.1.5.2 domain-name.0.5.0 dune.3.22.2 dune-configurator.3.22.2 emile.1.1 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 macaddr.5.6.2 mirage.4.10.6 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 opam-monorepo.0.4.3 pecu.0.7 rresult.0.7.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 uutf.1.0.4")/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 mirage-skeleton.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://archive.ubuntu.com/ubuntu resolute InRelease- Get:2 http://archive.ubuntu.com/ubuntu resolute-updates InRelease [136 kB]- Get:3 http://security.ubuntu.com/ubuntu resolute-security InRelease [136 kB]- Hit:4 http://archive.ubuntu.com/ubuntu resolute-backports InRelease- Get:5 http://security.ubuntu.com/ubuntu resolute-security/main amd64 Packages [14.1 kB]- Get:6 http://security.ubuntu.com/ubuntu resolute-security/universe amd64 Packages [6843 B]- Get:7 http://archive.ubuntu.com/ubuntu resolute-updates/universe amd64 Packages [6843 B]- Get:8 http://archive.ubuntu.com/ubuntu resolute-updates/main amd64 Packages [14.1 kB]- Fetched 313 kB in 0s (2672 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mirage-skeleton.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 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-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:pkg-config<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "pkg-config"- Selecting previously unselected package libpkgconf7: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 ... 22821 files and directories currently installed.)- Preparing to unpack .../libpkgconf7_2.5.1-4_amd64.deb ...- Unpacking libpkgconf7:amd64 (2.5.1-4) ...- Selecting previously unselected package pkgconf-bin.- Preparing to unpack .../pkgconf-bin_2.5.1-4_amd64.deb ...- Unpacking pkgconf-bin (2.5.1-4) ...- Selecting previously unselected package pkgconf:amd64.- Preparing to unpack .../pkgconf_2.5.1-4_amd64.deb ...- Unpacking pkgconf:amd64 (2.5.1-4) ...- Selecting previously unselected package pkg-config:amd64.- Preparing to unpack .../pkg-config_2.5.1-4_amd64.deb ...- Unpacking pkg-config:amd64 (2.5.1-4) ...- Setting up libpkgconf7:amd64 (2.5.1-4) ...- Setting up pkgconf-bin (2.5.1-4) ...- Setting up pkgconf:amd64 (2.5.1-4) ...- Setting up pkg-config:amd64 (2.5.1-4) ...- Processing triggers for libc-bin (2.43-2ubuntu2) ...# To update the current shell environment, run: eval $(opam env)2026-04-28 19:23.10 ---> using "eb4f9c4550d870b5b5ba5b071ec099af88aeef3d7587c9ccbb4d7c0c805b7d61" from cache/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 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-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 28 packages- install angstrom 0.16.1- install astring 0.8.5- install base64 3.5.2- install bigstringaf 0.10.0- install bos 0.3.0- install cmdliner 2.1.1- install conf-pkg-config 4- install csexp 1.5.2- install domain-name 0.5.0- install dune 3.22.2- install dune-configurator 3.22.2- install emile 1.1- install fmt 0.11.0- install fpath 0.7.3- install ipaddr 5.6.2- install logs 0.10.0- install macaddr 5.6.2- install mirage 4.10.6- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install opam-monorepo 0.4.3- install pecu 0.7- install rresult 0.7.0- install stringext 1.6.0- install topkg 1.1.1- install uri 4.4.0- install uutf 1.0.4<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved angstrom.0.16.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved base64.3.5.2 (cached)-> retrieved bigstringaf.0.10.0 (cached)-> installed conf-pkg-config.4-> retrieved bos.0.3.0 (cached)-> retrieved cmdliner.2.1.1 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved domain-name.0.5.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved emile.1.1 (cached)-> retrieved fpath.0.7.3 (cached)-> retrieved ipaddr.5.6.2, macaddr.5.6.2 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved mirage.4.10.6 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved pecu.0.7 (cached)-> retrieved rresult.0.7.0 (cached)-> retrieved stringext.1.6.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved uri.4.4.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved dune.3.22.2, dune-configurator.3.22.2 (cached)-> retrieved opam-monorepo.0.4.3 (cached)-> installed cmdliner.2.1.1-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed topkg.1.1.1-> installed rresult.0.7.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed logs.0.10.0-> installed fpath.0.7.3-> installed bos.0.3.0-> installed dune.3.22.2-> installed base64.3.5.2-> installed csexp.1.5.2-> installed domain-name.0.5.0-> installed macaddr.5.6.2-> installed ocaml-syntax-shims.1.0.0-> installed pecu.0.7-> installed stringext.1.6.0-> installed ipaddr.5.6.2-> installed dune-configurator.3.22.2-> installed bigstringaf.0.10.0-> installed angstrom.0.16.1-> installed emile.1.1-> installed uri.4.4.0-> installed opam-monorepo.0.4.3-> installed mirage.4.10.6Done.# To update the current shell environment, run: eval $(opam env)2026-04-28 19:24.32 ---> saved as "4915c51add5e4b3625e3e2f9aa2214f700603fe97e228ae7256fd0d7362a0ef7"/src: (copy (src .) (dst /src))2026-04-28 19:24.32 ---> saved as "3a7d3ee5a6f682254eb1116fe0accacd63889b0c0d26d20fa775f003dccab7f3"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))2026-04-28 19:24.32 ---> saved as "1e1abe9f56de70ef7903c0c60a7054a81635c4cef3e683b02ac4ec1ebcbab894"Job succeeded2026-04-28 19:24.32: Job succeeded