(for PR #29110)

2026-01-31 15:31.28: New job: build llvm.21-shared, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29110/head (e3b282a9c0eb1ef824245e3ffb935dc8fcc9b1ea)
                              on debian-13-ocaml-5.4/ppc64le

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29110/head" && git reset --hard e3b282a9
git fetch origin master
git merge --no-edit 277244107784e7f5e6b57eaae2e769caae2a4906
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn llvm.21-shared 21-shared
RUN opam reinstall llvm.21-shared; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'llvm.21-shared' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2026-01-31 15:31.28: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4-llvm.21-shared-e3b282a9c0eb1ef824245e3ffb935dc8fcc9b1ea"
2026-01-31 15:31.28: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "opam option solver=builtin-0install && opam config report"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMPRECISETRACKING 1)
 (env CI true)
 (env OPAM_REPO_CI true)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn llvm.21-shared 21-shared"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall llvm.21-shared;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'llvm.21-shared' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-31 15:31.28: Waiting for resource in pool OCluster
2026-01-31 15:31.29: Waiting for worker…
2026-01-31 15:31.29: Got resource from pool OCluster
Building on orithia.caelum.ci.dev
HEAD is now at 61b2b52591 [new release] domainpc (0.2)
HEAD is now at 2772441077 Merge pull request #29314 from jmid/more-fstar-ocaml-upper-bounds
Merge made by the 'ort' strategy.
 packages/conf-llvm-shared/conf-llvm-shared.20/opam | 38 +++++++++++
 packages/conf-llvm-shared/conf-llvm-shared.21/opam | 38 +++++++++++
 packages/conf-llvm-static/conf-llvm-static.20/opam | 38 +++++++++++
 packages/conf-llvm-static/conf-llvm-static.21/opam | 38 +++++++++++
 packages/llvm/llvm.20-shared/opam                  | 77 ++++++++++++++++++++++
 packages/llvm/llvm.20-static/opam                  | 76 +++++++++++++++++++++
 packages/llvm/llvm.21-shared/opam                  | 77 ++++++++++++++++++++++
 packages/llvm/llvm.21-static/opam                  | 76 +++++++++++++++++++++
 8 files changed, 458 insertions(+)
 create mode 100644 packages/conf-llvm-shared/conf-llvm-shared.20/opam
 create mode 100644 packages/conf-llvm-shared/conf-llvm-shared.21/opam
 create mode 100644 packages/conf-llvm-static/conf-llvm-static.20/opam
 create mode 100644 packages/conf-llvm-static/conf-llvm-static.21/opam
 create mode 100644 packages/llvm/llvm.20-shared/opam
 create mode 100644 packages/llvm/llvm.20-static/opam
 create mode 100644 packages/llvm/llvm.21-shared/opam
 create mode 100644 packages/llvm/llvm.21-static/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4' locally
docker.io/ocaml/opam@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4: Pulling from ocaml/opam
Digest: sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4
Status: Downloaded newer image for ocaml/opam@sha256:a091b66944e225b8e36c8051bac292f61a7a5eeb310ea52d3bc44ba655a766f4
2026-01-31 15:31.32 ---> using "0b66973bb2b0531d58db4608ee6e1964549441920b5181950c8927d533377724" from cache

/: (user (uid 1000) (gid 1000))

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-31 15:31.32 ---> using "1e297aeb9ad689e5836551ba26506069abb4d3a200ccf9631d29afb5d6e88e0c" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally 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.

Continue? [Y/n] y
Format upgrade done.
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.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-01-31 15:31.32 ---> using "dd6e7d071a85239a4ce5e292023a230751184ea30f4adde27112b3d1776ae981" from cache

/home/opam: (run (shell "opam option solver=builtin-0install && opam config report"))
Set to 'builtin-0install' the field solver in global configuration
# opam config report
# opam-version         2.5.0
# self-upgrade         no
# system               arch=ppc64 os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 175
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2026-01-31 15:31.32 ---> using "e6c68e25aaeac8e8c9a42907173d2d7ae0f5a6609bbc7d1606f6be36fb436ea6" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (env CI true)

/home/opam: (env OPAM_REPO_CI true)

/home/opam: (run (shell "rm -rf opam-repository/"))
2026-01-31 15:31.32 ---> using "3dd88504351d9109c7d414f4f41502c3a5ff00a60860aae6898a42909e2c61f6" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-31 15:32.46 ---> saved as "37de288b5e88d6911c545bcdd50b5503812915499bd0aa379942160d1a3983c4"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-31 15:33.05 ---> saved as "5ad154361913815f84f3ebc87da45702408a0de4eeb2128f3837c95f95719dd6"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /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 ppc64el Packages [92.8 kB]
- Fetched 184 kB in 0s (1503 kB/s)
- Reading package lists...
2026-01-31 15:33.06 ---> saved as "b59ef95fbb3195c677dbfe1625fce236f6fcfeccae10df9a22289cc917aa0052"

/home/opam: (run (shell "opam pin add -k version -yn llvm.21-shared 21-shared"))
llvm is now pinned to version 21-shared
2026-01-31 15:33.07 ---> saved as "ad2a7350ba4f11b993e5975fbeae02a5545494505c72baae22efb95fd0b49b6a"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall llvm.21-shared;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'llvm.21-shared' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
llvm.21-shared is not installed. Install it? [Y/n] y
  * Missing dependency:
    - llvm = 21-shared -> conf-llvm-shared >= 21
    depends on the unavailable system package 'llvm-21-dev'. Use `--no-depexts' to attempt installation anyway, or it is possible that a depext package name in the opam file is incorrect.

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall llvm.21-shared;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        partial_fails="";
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'llvm.21-shared' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-01-31 15:33.23: Job failed: Failed: Build failed
2026-01-31 15:33.23: Log analysis:
2026-01-31 15:33.23: >>> 
No solution found, exiting
 (score = 100)
2026-01-31 15:33.23: [SKIP] Package not available