(for PR #29099)

2025-12-16 09:15.01: New job: build fstar.2025.12.15, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29099/head (749b51f6618d0d7a7f48b66e781d6ecf017bc24a)
                              on debian-13-ocaml-4.12/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29099/head" && git reset --hard 749b51f6
git fetch origin master
git merge --no-edit c199949faadf15109c780af6e7b5b8a514096df6
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn fstar.2025.12.15 2025.12.15
RUN opam reinstall fstar.2025.12.15; \
    res=$?; \
    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 "$pkg" != 'fstar.2025.12.15' && partial_fails="$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 .

2025-12-16 09:15.01: Using cache hint "ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a-fstar.2025.12.15-749b51f6618d0d7a7f48b66e781d6ecf017bc24a"
2025-12-16 09:15.01: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a)
 (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 fstar.2025.12.15 2025.12.15"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall fstar.2025.12.15;\
             \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 \"$pkg\" != 'fstar.2025.12.15' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-16 09:15.01: Waiting for resource in pool OCluster
2025-12-16 09:15.01: Waiting for worker…
2025-12-16 09:15.01: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at c199949faa Merge pull request #29097 from reynir/release-albatross-v2.6.2
Updating c199949faa..749b51f661
Fast-forward
 packages/fstar/fstar.2025.12.15/opam | 52 ++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 packages/fstar/fstar.2025.12.15/opam

(from ocaml/opam:debian-13-ocaml-4.12@sha256:f4e5d1a1459039645b2cd047ecc298c512b1871b1cec960a002338d6496d2c7a)
2025-12-16 09:15.47 ---> saved as "c6b8ba26269bede3ec915c3d1cb4e21bf07ca291d8c3b0f2ea655411615b77d4"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-16 09:15.47 ---> saved as "530b509cbb73cb8e5e9871e52d5acd49c586a6667266add10fd79c559f76dc23"

/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
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-12-16 09:16.13 ---> saved as "d83f82d676fd0ac7a052d854e8214e52e465fb56e1a3485fd7e03260734b265b"

/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       4.12
# invariant            ["ocaml-base-compiler" {= "4.12.1"}]
# compiler-packages    ocaml-base-compiler.4.12.1, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.12/lib/ocaml/stublibs:/home/opam/.opam/4.12/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.12.1
2025-12-16 09:16.14 ---> saved as "824db2f31497540072c71845eec8b48b7703c4e8f94f68a922eb04ecc1c66e37"

/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/"))
2025-12-16 09:16.24 ---> saved as "5d9839427e6749ee0f8f13890818cf59aa843e2264daa775bd3e11cae72453e8"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-16 09:16.36 ---> saved as "ee1d91e68b452463c7fceba877c11fb6b61ba1fa636a87e301717c4dd26bb586"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-16 09:16.59 ---> saved as "d905f14f30fd38e84609390d6fdd20189a3614b0d29cbeb4d121648cb11ece3b"

/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 amd64 Packages [84.8 kB]
- Fetched 176 kB in 0s (1497 kB/s)
- Reading package lists...
2025-12-16 09:17.00 ---> saved as "098a3de8014d1b9ef6b9d91e84fd111750907de4ba89338e58f4a3b3c76cb60d"

/home/opam: (run (shell "opam pin add -k version -yn fstar.2025.12.15 2025.12.15"))
fstar is now pinned to version 2025.12.15
2025-12-16 09:17.01 ---> saved as "6feb8f3b422f1efc40fd5d0b418a84e3a9f57360405f2c35cf8c0af130364c85"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall fstar.2025.12.15;\
                        \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 \"$pkg\" != 'fstar.2025.12.15' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
fstar.2025.12.15 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.12.1
    - fstar >= 2025.12.15 -> ocaml >= 4.14.0 -> ocaml-variants < 4.14.3~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - fstar >= 2025.12.15 -> ocaml >= 4.14.0 -> ocaml-variants < 4.14.3~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - fstar >= 2025.12.15 -> ocaml >= 4.14.0 -> ocaml-variants >= 4.14.0~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall fstar.2025.12.15;
        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 "$pkg" != 'fstar.2025.12.15' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-16 09:17.28: Job failed: Failed: Build failed
2025-12-16 09:17.28: Log analysis:
2025-12-16 09:17.28: >>> 
No solution found, exiting
 (score = 100)
2025-12-16 09:17.28: [SKIP] Package not available