(for PR #29110)

2025-12-30 15:25.36: New job: build llvm.21-shared, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29110/head (a16fbbbc4ad239dba151649395b1e98d3d337d30)
                              on ubuntu-24.04-ocaml-4.14/riscv64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29110/head" && git reset --hard a16fbbbc
git fetch origin master
git merge --no-edit f2d102f951a5dc2af6db218c6aef53c80186295a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn llvm.21-shared 21-shared
RUN opam reinstall llvm.21-shared; \
    res=$?; \
    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 "\"ubuntu-24.04\""; 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 .

2025-12-30 15:25.36: Using cache hint "ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4-llvm.21-shared-a16fbbbc4ad239dba151649395b1e98d3d337d30"
2025-12-30 15:25.36: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4)
 (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 \"\\\"ubuntu-24.04\\\"\"; 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"))
)

2025-12-30 15:25.36: Waiting for resource in pool OCluster
2025-12-30 15:25.37: Waiting for worker…
2025-12-30 15:30.38: Got resource from pool OCluster
Building on riscv-bm-04.sw.ci.dev
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HEAD is now at f2d102f951 Merge pull request #29150 from raphael-proust/llvm-20-21-only-cosmetics
Merge made by the 'ort' strategy.
 packages/conf-llvm-shared/conf-llvm-shared.20/opam | 34 +++++++++++
 packages/conf-llvm-shared/conf-llvm-shared.21/opam | 34 +++++++++++
 packages/conf-llvm-static/conf-llvm-static.20/opam | 34 +++++++++++
 packages/conf-llvm-static/conf-llvm-static.21/opam | 34 +++++++++++
 packages/llvm/llvm.20-shared/opam                  | 67 ++++++++++++++++++++++
 packages/llvm/llvm.20-static/opam                  | 67 ++++++++++++++++++++++
 packages/llvm/llvm.21-shared/opam                  | 67 ++++++++++++++++++++++
 packages/llvm/llvm.21-static/opam                  | 67 ++++++++++++++++++++++
 8 files changed, 404 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:ubuntu-24.04-ocaml-4.14@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4)
Unable to find image 'ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4' locally
docker.io/ocaml/opam@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4: Pulling from ocaml/opam
4f36e1b0a2cc: Already exists
0c935b9c683c: Already exists
017f18f352fe: Already exists
f978f6b3932a: Already exists
89e2d126182a: Already exists
34544737d27b: Already exists
0d1d4df4d42a: Already exists
b362026811ef: Already exists
d5b1b45f3787: Already exists
c6acd23758e6: Already exists
a1dadd9b4824: Already exists
a53579595dae: Already exists
ff6fdf3de570: Already exists
5177a4e08837: Already exists
a484cf266a78: Already exists
555dc3669c6c: Already exists
84d1c5730b64: Already exists
84d1c5730b64: Already exists
ffae22b8efe2: Already exists
8e4d27279184: Already exists
bed3f713a624: Already exists
9bdcda63ea67: Already exists
4f4fb700ef54: Already exists
4de3076a1644: Already exists
b24be418d86f: Already exists
fd259f899874: Already exists
5c8673430b57: Already exists
80aed0f40581: Already exists
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e23b61c36abf: Already exists
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a8a417695a9a: Already exists
e9b9f8b2a37b: Already exists
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bd4d0ae2f36b: Already exists
c6f148f8ffc0: Already exists
828cca44001b: Already exists
c48b0ad0142e: Already exists
981a16b58005: Already exists
584473f44228: Already exists
9a0839bb2175: Pulling fs layer
c9e4df52182b: Pulling fs layer
c9ed130b18ad: Pulling fs layer
da8b7c1995c3: Pulling fs layer
da8b7c1995c3: Waiting
c9e4df52182b: Verifying Checksum
c9e4df52182b: Download complete
da8b7c1995c3: Verifying Checksum
da8b7c1995c3: Download complete
c9ed130b18ad: Verifying Checksum
c9ed130b18ad: Download complete
9a0839bb2175: Verifying Checksum
9a0839bb2175: Download complete
9a0839bb2175: Pull complete
c9e4df52182b: Pull complete
c9ed130b18ad: Pull complete
da8b7c1995c3: Pull complete
Digest: sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4
Status: Downloaded newer image for ocaml/opam@sha256:b0081b65ef88a6c5e5e23fb044c0e339b615410f481bd39a36a42ee7e1b824c4
2025-12-30 15:30.51 ---> using "0c4dc8b5df5d578fea3adea0871b1c7cc3e70e86561ab02c523af10aba7989e9" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-30 15:30.51 ---> using "ac0fcb3fe1fd212726d346da14784d1ed083121e129b6328b5cf1667b615e43f" 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.

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
2025-12-30 15:30.51 ---> using "82cc7aba71daef367a0a6d5093acf8202f3817baab22d40e0de482513615f8dd" 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=riscv64 os=linux os-distribution=ubuntu os-version=24.04
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 3
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.2"}]
# compiler-packages    ocaml-base-compiler.4.14.2, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.14/lib/ocaml/stublibs:/home/opam/.opam/4.14/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.14.2
2025-12-30 15:30.51 ---> using "dc0be32c83fc911f25bd7819025fa134761f5955ba7fe572d220c3ae6bbd5916" 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/"))
2025-12-30 15:30.51 ---> using "09539193005ebe1e8245b56c492ce4ee089a1a7065f31140937800555118ff2a" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-30 15:30.57 ---> using "35300e72bd435fe00cb434a731cc8cea44bb256871e4385f48bbfe2093ab44fc" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-30 15:30.57 ---> using "9add71878d368e8e34e907760a7c45e0fddaff3c6243d63421dc0e85491a7b42" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://ports.ubuntu.com/ubuntu-ports noble InRelease
- Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates InRelease [126 kB]
- Get:3 http://ports.ubuntu.com/ubuntu-ports noble-backports InRelease [126 kB]
- Get:4 http://ports.ubuntu.com/ubuntu-ports noble-security InRelease [126 kB]
- Fetched 378 kB in 1s (270 kB/s)
- Reading package lists...
- 
2025-12-30 15:30.57 ---> using "112291a1b69bc0816be622442c2f49af8a1f8fcca24fb73fab99b96ea03d1ab6" from cache

/home/opam: (run (shell "opam pin add -k version -yn llvm.21-shared 21-shared"))
llvm is now pinned to version 21-shared
2025-12-30 15:31.00 ---> saved as "23887dd235ec8bb41c924fc8c4a76f1f00016f7ef0fcede15e8f99d8c56438b0"

/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 \"\\\"ubuntu-24.04\\\"\"; 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 "\"ubuntu-24.04\""; 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
2025-12-30 15:32.11: Job failed: Failed: Build failed
2025-12-30 15:32.11: Log analysis:
2025-12-30 15:32.11: >>> 
No solution found, exiting
 (score = 100)
2025-12-30 15:32.11: [SKIP] Package not available