2026-02-15 17:59.57: New job: test mirage/Zarith https://github.com/mirage/Zarith.git#refs/heads/zarith-1.14 (df8969d9bb95cffca13e31a615189ab27ada0684) (linux-x86_64:opensuse-15.6-5.4_opam-2.5)Base: ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:effc88b5c29636e2a2c6cb1098771062d091bda2846d151c20cf377b7e7f4041Opam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/Zarith.git" -b "zarith-1.14" && cd "Zarith" && git reset --hard df8969d9cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:effc88b5c29636e2a2c6cb1098771062d091bda2846d151c20cf377b7e7f4041# opensuse-15.6-5.4_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 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 zarith.opam ./RUN opam pin add -yn zarith.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-m4.1 dune.3.21.1 gmp.6.3.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y zarith.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-02-15 17:59.57: Using cache hint "mirage/Zarith-ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:effc88b5c29636e2a2c6cb1098771062d091bda2846d151c20cf377b7e7f4041-opensuse-15.6-5.4_opam-2.5-231a2acca41ff60652134bff55312487"2026-02-15 17:59.57: Using OBuilder spec:((from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:effc88b5c29636e2a2c6cb1098771062d091bda2846d151c20cf377b7e7f4041)(comment opensuse-15.6-5.4_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 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src zarith.opam) (dst ./))(run (network host)(shell "opam pin add -yn zarith.dev './'"))(run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-m4.1 dune.3.21.1 gmp.6.3.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.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=2.5 --depext-only -y zarith.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")))2026-02-15 17:59.57: Waiting for resource in pool OCluster2026-02-15 20:43.02: Waiting for worker…2026-02-15 20:46.10: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at df8969d Dunify and be compatible with MirageOS 4 (for 1.14)(from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:effc88b5c29636e2a2c6cb1098771062d091bda2846d151c20cf377b7e7f4041)2026-02-15 20:46.11 ---> using "ef7fcc773164a50ac7c6190f2fe405e5d17bf12eddb2fc6cbe71b9e48747f47a" from cache/: (comment opensuse-15.6-5.4_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"))2026-02-15 20:46.11 ---> using "de099de23ed215e5aa934a37013d9d90f80af6c95f1126a36c1dafd3f0c2771a" 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] Initialised2026-02-15 20:46.11 ---> using "e4567fea59e9f89f28721481af1347ec0e49e166b623b782f9469b741d323d8a" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 5.4.02.5.02026-02-15 20:46.11 ---> using "ca5e94ca25f331100bb4ff662a4a576c2a692e3deb6b97773656fd20c750ac37" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-02-15 20:46.11 ---> using "a18645d69895a2ac0663dd277250036df2b7d0221e78508f58b24710dd49f470" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-02-15 20:46.11 ---> using "748e442f8d388112949bfdb629a9b5b5d36c6206ec2bed974128b1cbc4fecb66" from cache/src: (copy (src zarith.opam) (dst ./))2026-02-15 20:46.12 ---> saved as "f1769c2fef5ab8231195c5e47aa05fe7ef30485e4a3af86e21310eaae4fd6bcc"/src: (run (network host)(shell "opam pin add -yn zarith.dev './'"))[zarith.dev] synchronised (file:///src)zarith is now pinned to file:///src (version dev)2026-02-15 20:46.12 ---> saved as "4000f8ff8f823a910332620b65013e3ff4c539e727285e14482a0394c6545213"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-02-15 20:46.13 ---> saved as "0ff30fee0b6ff5e76d2599eb63d0c87579ca398185a9c3fab05694c92018e264"/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-m4.1 dune.3.21.1 gmp.6.3.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.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=2.5 --depext-only -y zarith.dev $DEPS"))+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"- Repository 'Update repository of openSUSE Backports' is up to date.- Repository 'Update repository with updates from SUSE Linux Enterprise 15' is up to date.- Repository 'Main Update Repository' is up to date.- Repository 'Update Repository (Non-Oss)' is up to date.- Repository 'Non-OSS Repository' is up to date.- Repository 'Main Repository' is up to date.- All repositories have been refreshed.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[zarith.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).# To update the current shell environment, run: eval $(opam env)2026-02-15 20:46.24 ---> saved as "c5f931eedebc1dff301d624e5565f14b25396954547f82f7696f6044aaaa2c69"/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 3 packages- install conf-m4 1- install dune 3.21.1- install gmp 6.3.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved gmp.6.3.0 (cached)-> installed conf-m4.1-> retrieved dune.3.21.1 (cached)-> installed dune.3.21.1[ERROR] The compilation of gmp.6.3.0 failed at "dune build -p gmp -j 255".#=== ERROR while compiling gmp.6.3.0 ==========================================## context 2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | git+file:///home/opam/opam-repository# path ~/.opam/5.4/.opam-switch/build/gmp.6.3.0# command ~/.opam/5.4/bin/dune build -p gmp -j 255# exit-code 1# env-file ~/.opam/log/gmp-1-92e29d.env# output-file ~/.opam/log/gmp-1-92e29d.out### output #### File "src/dune", lines 14-23, characters 0-357:# 14 | (rule# 15 | (targets gmp.h libgmp.a dllgmp.so)# 16 | (deps gmp-6.3.0.tar.xz build.sh gcc.15.patch)# 17 | (action# 18 | (with-stdout-to# 19 | build.log# 20 | (run sh ./build.sh "%{ocaml-config:c_compiler}" "%{ocaml-config:host}"# 21 | "%{ocaml-config:target}" "%{ocaml-config:ocamlc_cflags}"# 22 | %{ocaml-config:supports_shared_libraries}# 23 | "%{ocaml-config:native_c_libraries}"))))# (cd _build/default/src && /usr/bin/sh ./build.sh gcc x86_64-pc-linux-gnu x86_64-pc-linux-gnu '-O2 -fno-strict-aliasing -fwrapv -fPIC -pthread' true '-lm -lpthread') > _build/default/src/build.log# configure: error: could not find a working compiler, see config.log for details<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>+- The following actions failed| - build gmp 6.3.0+-+- The following changes have been performed| - install conf-m4 1| - install dune 3.21.1+-# To update the current shell environment, run: eval $(opam env)The former state can be restored with:/usr/bin/opam switch import "/home/opam/.opam/5.4/.opam-switch/backup/state-20260215204625.export""/usr/bin/env" "bash" "-c" "opam install $DEPS" failed with exit status 312026-02-15 20:46.54: Job failed: Failed: Build failed