(for PR #29110)

2025-12-30 15:25.22: New job: build llvm.20-shared, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29110/head (a16fbbbc4ad239dba151649395b1e98d3d337d30)
                              on debian-13-ocaml-5.2/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29110/head" && git reset --hard a16fbbbc
git fetch origin master
git merge --no-edit f2d102f951a5dc2af6db218c6aef53c80186295a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.2@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn llvm.20-shared 20-shared
RUN opam reinstall llvm.20-shared; \
    res=$?; \
    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 "$pkg" != 'llvm.20-shared' && partial_fails="$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 15:25.22: Using cache hint "ocaml/opam:debian-13-ocaml-5.2@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717-llvm.20-shared-a16fbbbc4ad239dba151649395b1e98d3d337d30"
2025-12-30 15:25.22: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.2@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717)
 (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.20-shared 20-shared"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall llvm.20-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 \"$pkg\" != 'llvm.20-shared' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-30 15:25.22: Waiting for resource in pool OCluster
2025-12-30 15:25.22: Waiting for worker…
2025-12-30 15:26.36: Got resource from pool OCluster
Building on eumache
All commits already cached
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:debian-13-ocaml-5.2@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.2@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717' locally
docker.io/ocaml/opam@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717: Pulling from ocaml/opam
2981f7e8980b: Already exists
38c43a523031: Already exists
86b171e1f8bb: Already exists
c62328d491a4: Already exists
eff4af1ec9f9: Already exists
a8fb3d73c22a: Already exists
75059ed2c06e: Already exists
c838c080301e: Already exists
dfb14fb41cef: Already exists
df6d00addf67: Already exists
4f718223933a: Already exists
ccc6aa3cc5f0: Already exists
23e68f1bebf2: Already exists
bc8ede90ef45: Already exists
80af37328cf0: Already exists
709d603477b6: Already exists
0ccf30b070a2: Already exists
35aa2e416863: Already exists
00036f610596: Already exists
566836f020cc: Already exists
71b9e3f831b5: Already exists
8a58bb81444d: Already exists
4f4fb700ef54: Already exists
c914f6b1f746: Already exists
63d935813e47: Already exists
8ac9b4b966c0: Already exists
8001b3a2b5ac: Already exists
ab8c1074cdd7: Already exists
552a5e6f461a: Already exists
096d8d04315b: Already exists
8c2c8a96d5dd: Already exists
5e0e78b37cf0: Already exists
47f8c84cafbb: Already exists
ad98837138f6: Already exists
5ed1b7a005db: Already exists
ec30d9664bee: Already exists
fc40ea176f89: Already exists
120854320efc: Already exists
bc1b0459d6ad: Already exists
ae7d42bb164e: Already exists
e62afff751db: Already exists
067ceb0770fc: Pulling fs layer
94d80e4709ec: Pulling fs layer
d6ba29f418c5: Pulling fs layer
170bba95c1b9: Pulling fs layer
067ceb0770fc: Waiting
1bf9b6c4eeeb: Pulling fs layer
94d80e4709ec: Waiting
d6ba29f418c5: Waiting
2dbf747b28f0: Pulling fs layer
170bba95c1b9: Waiting
1bf9b6c4eeeb: Waiting
3497a7065373: Pulling fs layer
2dbf747b28f0: Waiting
067ceb0770fc: Download complete
067ceb0770fc: Pull complete
94d80e4709ec: Verifying Checksum
94d80e4709ec: Download complete
94d80e4709ec: Pull complete
d6ba29f418c5: Verifying Checksum
d6ba29f418c5: Download complete
d6ba29f418c5: Pull complete
1bf9b6c4eeeb: Verifying Checksum
1bf9b6c4eeeb: Download complete
2dbf747b28f0: Verifying Checksum
2dbf747b28f0: Download complete
3497a7065373: Download complete
170bba95c1b9: Download complete
170bba95c1b9: Pull complete
1bf9b6c4eeeb: Pull complete
2dbf747b28f0: Pull complete
3497a7065373: Pull complete
Digest: sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717
Status: Downloaded newer image for ocaml/opam@sha256:c4962284557076afcfa08ac12cd071ee59df00bf5d265c231fc7ea4f52855717
2025-12-30 15:27.51 ---> saved as "f484fd64576a3bbe71f85861933c3b13fc8b09160d9253700d2547d30351a402"

/: (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 15:27.51 ---> saved as "b344e00872f71866eeff32d9d85b40b5c5082b01204ce7d6a2727e95db1cdc64"

/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 15:28.18 ---> saved as "54eb00af9753411ca3ebc9e369b3cb89b6f7edf24b4db22d81c47d5ad31f927f"

/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=x86_64 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                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.2
# invariant            ["ocaml-base-compiler" {= "5.2.1"}]
# compiler-packages    ocaml-base-compiler.5.2.1, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.2/lib/ocaml/stublibs:/home/opam/.opam/5.2/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.2.1
2025-12-30 15:28.19 ---> saved as "f66d1ad65a02695b02eefd53a4d2d4806370ec93695121dc7618fdfb52aae9ea"

/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 15:28.27 ---> saved as "9a72ec73aee900d156fda8b2056749500f9517243298aadfa87acf0b271bb313"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-30 15:28.45 ---> saved as "50a327f40c02d34929cb3937eb69e459f53cb282c7335186943cf58572ec372d"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-30 15:29.06 ---> saved as "7f7e41f9f4197df3467ca2ace1a3b11906f2f28b640ced9584c206ec4cddabb0"

/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]
- Fetched 90.7 kB in 0s (547 kB/s)
- Reading package lists...
- 
2025-12-30 15:29.07 ---> saved as "1d11177490548e5fc6eb7908a34bb6bef2ef595dba1c075bac92c68f34ce4311"

/home/opam: (run (shell "opam pin add -k version -yn llvm.20-shared 20-shared"))
llvm is now pinned to version 20-shared
2025-12-30 15:29.08 ---> saved as "120feca05ffff61b5505a9c54a0dcb63a51c758ed47ab29c444044aa2e202405"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall llvm.20-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 \"$pkg\" != 'llvm.20-shared' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
llvm.20-shared is not installed. Install it? [Y/n] y
  * Missing dependency:
    - llvm = 20-shared -> conf-llvm-shared = 20
    depends on the unavailable system package 'llvm-20-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.20-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 "$pkg" != 'llvm.20-shared' && partial_fails="$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 15:29.20: Job failed: Failed: Build failed
2025-12-30 15:29.20: Log analysis:
2025-12-30 15:29.20: >>> 
No solution found, exiting
 (score = 100)
2025-12-30 15:29.20: [SKIP] Package not available