(for PR #29110)

2026-01-31 15:31.26: New job: build conf-llvm-shared.20, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29110/head (e3b282a9c0eb1ef824245e3ffb935dc8fcc9b1ea)
                              on ubuntu-25.04-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29110/head" && git reset --hard e3b282a9
git fetch origin master
git merge --no-edit 277244107784e7f5e6b57eaae2e769caae2a4906
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:6ed0991220c796a4f8dfa77d2774124a5ebd7e8bb089bb5ab7d29dab05f7c084
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn conf-llvm-shared.20 20
RUN opam reinstall conf-llvm-shared.20; \
    res=$?; \
    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-25.04\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'conf-llvm-shared.20' && partial_fails="$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 15:31.26: Using cache hint "ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:6ed0991220c796a4f8dfa77d2774124a5ebd7e8bb089bb5ab7d29dab05f7c084-conf-llvm-shared.20-e3b282a9c0eb1ef824245e3ffb935dc8fcc9b1ea"
2026-01-31 15:31.26: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:6ed0991220c796a4f8dfa77d2774124a5ebd7e8bb089bb5ab7d29dab05f7c084)
 (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 conf-llvm-shared.20 20"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall conf-llvm-shared.20;\
             \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-25.04\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'conf-llvm-shared.20' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-31 15:31.26: Waiting for resource in pool OCluster
2026-01-31 15:31.29: Waiting for worker…
2026-01-31 15:32.45: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
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:ubuntu-25.04-ocaml-5.4@sha256:6ed0991220c796a4f8dfa77d2774124a5ebd7e8bb089bb5ab7d29dab05f7c084)
2026-01-31 15:34.10 ---> using "49f4fda761046095e14b869dd3e0df5878ffcbf2a535ba2d385d6594c3910bcf" 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 15:34.10 ---> using "48dfe214ae8a28454fc01a1aa838e63ff81a3fe1159e2e6ee0ac786fb0aba046" 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
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=255 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-01-31 15:34.10 ---> using "b0aab67a8d01f9b8840413700ad46f1befdb69f01a66da0ffd5e5c335c836652" 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=x86_64 os=linux os-distribution=ubuntu os-version=25.04
# 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       5.4
# 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 15:34.10 ---> using "ac7a977cbcd789e83c721ea54b576f2b7f9b718c8e3232d7ba25ab08a3e60494" 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 15:34.10 ---> using "d1f6cc963e43b19ef0995eb30b4e285625df2352dfa05d06870b7f08dc4d15af" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-31 15:34.11 ---> using "769037ed1f0b731677f2c9c8edd94b250170ba9192ba5da525526f99d4cf7971" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-31 15:34.25 ---> saved as "4e1ae3b1e3c1f8b4e9593d820190e036cbf4bfbb5cc94d57d978d41e61e40a3b"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease
- Hit:2 http://security.ubuntu.com/ubuntu plucky-security InRelease
- Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease
- Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease
- Reading package lists...
- 
2026-01-31 15:34.26 ---> saved as "4e6bda42cc409e9c747ba5315a5430262f021b2d800d73c96ac6a5b161876c74"

/home/opam: (run (shell "opam pin add -k version -yn conf-llvm-shared.20 20"))
conf-llvm-shared is now pinned to version 20
2026-01-31 15:34.27 ---> saved as "f84f1513d9aee090c9854ee2371cd964336f979e1a7af7f6aae0c3597180a92c"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall conf-llvm-shared.20;\
                        \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-25.04\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'conf-llvm-shared.20' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
conf-llvm-shared.20 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install conf-bash        1           [required by conf-llvm-shared]
  - install conf-llvm-shared 20 (pinned)

The following system packages will first need to be installed:
    llvm-20-dev zlib1g-dev

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "llvm-20-dev" "zlib1g-dev"
- Preconfiguring packages ...
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- Unpacking libpython3.13-minimal:amd64 (3.13.3-1ubuntu0.5) ...
- Selecting previously unselected package python3.13-minimal.
- Preparing to unpack .../python3.13-minimal_3.13.3-1ubuntu0.5_amd64.deb ...
- Unpacking python3.13-minimal (3.13.3-1ubuntu0.5) ...
- Setting up libpython3.13-minimal:amd64 (3.13.3-1ubuntu0.5) ...
- Setting up python3.13-minimal (3.13.3-1ubuntu0.5) ...
- Selecting previously unselected package python3-minimal.
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- Preparing to unpack .../0-python3-minimal_3.13.3-1_amd64.deb ...
- Unpacking python3-minimal (3.13.3-1) ...
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- Unpacking media-types (13.0.0) ...
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- Preparing to unpack .../3-libpython3.13-stdlib_3.13.3-1ubuntu0.5_amd64.deb ...
- Unpacking libpython3.13-stdlib:amd64 (3.13.3-1ubuntu0.5) ...
- Selecting previously unselected package python3.13.
- Preparing to unpack .../4-python3.13_3.13.3-1ubuntu0.5_amd64.deb ...
- Unpacking python3.13 (3.13.3-1ubuntu0.5) ...
- Selecting previously unselected package libpython3-stdlib:amd64.
- Preparing to unpack .../5-libpython3-stdlib_3.13.3-1_amd64.deb ...
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- Preparing to unpack .../00-python3_3.13.3-1_amd64.deb ...
- Unpacking python3 (3.13.3-1) ...
- Selecting previously unselected package libpipeline1:amd64.
- Preparing to unpack .../01-libpipeline1_1.5.8-1_amd64.deb ...
- Unpacking libpipeline1:amd64 (1.5.8-1) ...
- Selecting previously unselected package binfmt-support.
- Preparing to unpack .../02-binfmt-support_2.2.2-7_amd64.deb ...
- Unpacking binfmt-support (2.2.2-7) ...
- Selecting previously unselected package libxml2:amd64.
- Preparing to unpack .../03-libxml2_2.12.7+dfsg+really2.9.14-0.4ubuntu0.4_amd64.deb ...
- Unpacking libxml2:amd64 (2.12.7+dfsg+really2.9.14-0.4ubuntu0.4) ...
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- Preparing to unpack .../04-libyaml-0-2_0.2.5-2_amd64.deb ...
- Unpacking libyaml-0-2:amd64 (0.2.5-2) ...
- Selecting previously unselected package python3-pygments.
- Preparing to unpack .../05-python3-pygments_2.18.0+dfsg-2_all.deb ...
- Unpacking python3-pygments (2.18.0+dfsg-2) ...
- Selecting previously unselected package python3-yaml.
- Preparing to unpack .../06-python3-yaml_6.0.2-1build2_amd64.deb ...
- Unpacking python3-yaml (6.0.2-1build2) ...
- Selecting previously unselected package libgpm2:amd64.
- Preparing to unpack .../07-libgpm2_1.20.7-11_amd64.deb ...
- Unpacking libgpm2:amd64 (1.20.7-11) ...
- Selecting previously unselected package libncurses6:amd64.
- Preparing to unpack .../08-libncurses6_6.5+20250216-2_amd64.deb ...
- Unpacking libncurses6:amd64 (6.5+20250216-2) ...
- Selecting previously unselected package libllvm20:amd64.
- Preparing to unpack .../09-libllvm20_1%3a20.1.2-0ubuntu1_amd64.deb ...
- Unpacking libllvm20:amd64 (1:20.1.2-0ubuntu1) ...
- Selecting previously unselected package libclang-cpp20.
- Preparing to unpack .../10-libclang-cpp20_1%3a20.1.2-0ubuntu1_amd64.deb ...
- Unpacking libclang-cpp20 (1:20.1.2-0ubuntu1) ...
- Selecting previously unselected package libncurses-dev:amd64.
- Preparing to unpack .../11-libncurses-dev_6.5+20250216-2_amd64.deb ...
- Unpacking libncurses-dev:amd64 (6.5+20250216-2) ...
- Selecting previously unselected package libxml2-dev:amd64.
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- Unpacking libxml2-dev:amd64 (2.12.7+dfsg+really2.9.14-0.4ubuntu0.4) ...
- Selecting previously unselected package llvm-20-runtime.
- Preparing to unpack .../13-llvm-20-runtime_1%3a20.1.2-0ubuntu1_amd64.deb ...
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- Selecting previously unselected package llvm-20-linker-tools.
- Preparing to unpack .../14-llvm-20-linker-tools_1%3a20.1.2-0ubuntu1_amd64.deb ...
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- Preparing to unpack .../15-libpfm4_4.13.0+git83-g91970fe-1_amd64.deb ...
- Unpacking libpfm4:amd64 (4.13.0+git83-g91970fe-1) ...
- Selecting previously unselected package llvm-20.
- Preparing to unpack .../16-llvm-20_1%3a20.1.2-0ubuntu1_amd64.deb ...
- Unpacking llvm-20 (1:20.1.2-0ubuntu1) ...
- Selecting previously unselected package libffi-dev:amd64.
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- Preparing to unpack .../18-llvm-20-tools_1%3a20.1.2-0ubuntu1_amd64.deb ...
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- Selecting previously unselected package llvm-20-dev.
- Preparing to unpack .../19-llvm-20-dev_1%3a20.1.2-0ubuntu1_amd64.deb ...
- Unpacking llvm-20-dev (1:20.1.2-0ubuntu1) ...
- Selecting previously unselected package zlib1g-dev:amd64.
- Preparing to unpack .../20-zlib1g-dev_1%3a1.3.dfsg+really1.3.1-1ubuntu1_amd64.deb ...
- Unpacking zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Setting up media-types (13.0.0) ...
- Setting up libpipeline1:amd64 (1.5.8-1) ...
- Setting up libgpm2:amd64 (1.20.7-11) ...
- Setting up libyaml-0-2:amd64 (0.2.5-2) ...
- Setting up libffi-dev:amd64 (3.4.7-1) ...
- Setting up tzdata (2025b-1ubuntu1.1) ...
- 
- Current default time zone: 'Europe/London'
- Local time is now:      Sat Jan 31 15:34:42 GMT 2026.
- Universal Time is now:  Sat Jan 31 15:34:42 UTC 2026.
- Run 'dpkg-reconfigure tzdata' if you wish to change it.
- 
- Setting up libpfm4:amd64 (4.13.0+git83-g91970fe-1) ...
- Setting up libncurses6:amd64 (6.5+20250216-2) ...
- Setting up binfmt-support (2.2.2-7) ...
- invoke-rc.d: could not determine current runlevel
- invoke-rc.d: policy-rc.d denied execution of start.
- Setting up zlib1g-dev:amd64 (1:1.3.dfsg+really1.3.1-1ubuntu1) ...
- Setting up libpython3.13-stdlib:amd64 (3.13.3-1ubuntu0.5) ...
- Setting up libxml2:amd64 (2.12.7+dfsg+really2.9.14-0.4ubuntu0.4) ...
- Setting up libpython3-stdlib:amd64 (3.13.3-1) ...
- Setting up libncurses-dev:amd64 (6.5+20250216-2) ...
- Setting up python3.13 (3.13.3-1ubuntu0.5) ...
- Setting up python3 (3.13.3-1) ...
- running python rtupdate hooks for python3.13...
- running python post-rtupdate hooks for python3.13...
- Setting up python3-pygments (2.18.0+dfsg-2) ...
- Setting up libxml2-dev:amd64 (2.12.7+dfsg+really2.9.14-0.4ubuntu0.4) ...
- Setting up libllvm20:amd64 (1:20.1.2-0ubuntu1) ...
- Setting up python3-yaml (6.0.2-1build2) ...
- Setting up llvm-20-runtime (1:20.1.2-0ubuntu1) ...
- Setting up llvm-20-linker-tools (1:20.1.2-0ubuntu1) ...
- Setting up llvm-20-tools (1:20.1.2-0ubuntu1) ...
- Setting up libclang-cpp20 (1:20.1.2-0ubuntu1) ...
- Setting up llvm-20 (1:20.1.2-0ubuntu1) ...
- Setting up llvm-20-dev (1:20.1.2-0ubuntu1) ...
- Processing triggers for libc-bin (2.41-6ubuntu1.2) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved conf-llvm-shared.20  (cached)
-> installed conf-bash.1
-> installed conf-llvm-shared.20
Done.
# To update the current shell environment, run: eval $(opam env)
2026-01-31 15:34.46 ---> saved as "f84b4d1f60579d123e31b32d484c43c450516b4fe450a7e50f37ff7147d4cecf"
Job succeeded
2026-01-31 15:34.53: Job succeeded