(for PR #28866)

2025-11-13 23:39.46: New job: build melange.6.0.0-51, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28866/head (780331e30462ca6bc8d8e82d472fe1019e01770d)
                              on ubuntu-24.04-ocaml-5.4/riscv64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28866/head" && git reset --hard 780331e3
git fetch origin master
git merge --no-edit 48c9f6e789883c3dbb4ff03be0529c4936e40316
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:b698ec12d8ec45f194f9e3281243bda9c038a7a770b0b8b00369f2b6f223f4dc
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn melange.6.0.0-51 6.0.0-51
RUN opam reinstall melange.6.0.0-51; \
    res=$?; \
    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 "$pkg" != 'melange.6.0.0-51' && partial_fails="$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 .

2025-11-13 23:39.46: Using cache hint "ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:b698ec12d8ec45f194f9e3281243bda9c038a7a770b0b8b00369f2b6f223f4dc-melange.6.0.0-51-780331e30462ca6bc8d8e82d472fe1019e01770d"
2025-11-13 23:39.46: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:b698ec12d8ec45f194f9e3281243bda9c038a7a770b0b8b00369f2b6f223f4dc)
 (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 melange.6.0.0-51 6.0.0-51"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall melange.6.0.0-51;\
             \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 \"$pkg\" != 'melange.6.0.0-51' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-13 23:39.46: Waiting for resource in pool OCluster
2025-11-13 23:39.46: Waiting for worker…
2025-11-14 00:16.55: Got resource from pool OCluster
Building on riscv-bm-02.sw.ci.dev
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HEAD is now at 48c9f6e789 Merge pull request #28889 from jserot/opam-publish-rfsm.2.2
Merge made by the 'ort' strategy.
 packages/melange/melange.6.0.0-414/opam | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-51/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-52/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-53/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-54/opam  | 41 +++++++++++++++++++++++++++++++++
 5 files changed, 205 insertions(+)
 create mode 100644 packages/melange/melange.6.0.0-414/opam
 create mode 100644 packages/melange/melange.6.0.0-51/opam
 create mode 100644 packages/melange/melange.6.0.0-52/opam
 create mode 100644 packages/melange/melange.6.0.0-53/opam
 create mode 100644 packages/melange/melange.6.0.0-54/opam

(from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:b698ec12d8ec45f194f9e3281243bda9c038a7a770b0b8b00369f2b6f223f4dc)
2025-11-14 00:17.07 ---> using "caa6674a25a88389569217fd94abf6dc3d8a42ad0c02221796f91bef8e6362c2" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-14 00:17.07 ---> using "fd07174c808e586de402af712771f0f241b080e2367ef9f7681d75cf818919c2" 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
2025-11-14 00:17.07 ---> using "514df06474b49af68e096e6a7c5db077ce91809c08e70c13f33e27f18784df6b" 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~alpha1
# 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       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
2025-11-14 00:17.07 ---> using "2c30bc4cf24536cb906aa854b81fc82059550ba6613f56620345538a58c14aa3" 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/"))
2025-11-14 00:17.07 ---> using "76c050f90e9dc44fe68828988f11d21f4c996e2a34a4e626a28cb52e589e4c43" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-14 00:17.13 ---> using "bb1f12918775766b46c28f8268b36e6664f1e4e8ca83a0556a715c1fa88e146f" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-14 00:17.13 ---> using "64dca6c745e5a4b3d99dc501c1ffd796022e53ba140fcdcabae773e1ff70e77e" 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]
- Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/universe riscv64 Packages [1459 kB]
- Get:6 http://ports.ubuntu.com/ubuntu-ports noble-updates/main riscv64 Packages [873 kB]
- Get:7 http://ports.ubuntu.com/ubuntu-ports noble-security/main riscv64 Packages [553 kB]
- Get:8 http://ports.ubuntu.com/ubuntu-ports noble-security/universe riscv64 Packages [911 kB]
- Fetched 4174 kB in 2s (1759 kB/s)
- Reading package lists...
- 
2025-11-14 00:17.13 ---> using "07891528812d746778dbeb90c93456984714f9c51c2765ee499e60df2e852710" from cache

/home/opam: (run (shell "opam pin add -k version -yn melange.6.0.0-51 6.0.0-51"))
melange is now pinned to version 6.0.0-51
2025-11-14 00:17.16 ---> saved as "de284010665b864820210152a064e98be04d2c5a52e7f96ccf337dc0430c5ed4"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall melange.6.0.0-51;\
                        \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 \"$pkg\" != 'melange.6.0.0-51' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
melange.6.0.0-51 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - melange = 6.0.0-51 -> ocaml < 5.2 -> ocaml-variants (< 4.05.2~ | >= 4.06.0)
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - melange = 6.0.0-51 -> ocaml < 5.2 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - melange = 6.0.0-51 -> ocaml < 5.2 -> ocaml-variants >= 4.06.0 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - melange = 6.0.0-51 -> ocaml < 5.2 -> ocaml-variants >= 4.06.0 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall melange.6.0.0-51;
        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 "$pkg" != 'melange.6.0.0-51' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-14 00:18.31: Job failed: Failed: Build failed
2025-11-14 00:18.31: Log analysis:
2025-11-14 00:18.31: >>> 
No solution found, exiting
 (score = 100)
2025-11-14 00:18.31: [SKIP] Package not available