Build:
  1. 0
2025-12-08 16:16.48: New job: test melange.6.0.1-51, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29001/head (874518b80fe25606a3e33aa700981f720b90c02f)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29001/head" && git reset --hard 874518b8
git fetch origin master
git merge --no-edit 95f7875db7c621d309c559d9c2ba6781e43a8bb9
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn melange.6.0.1-51 6.0.1-51
RUN opam reinstall melange.6.0.1-51; \
    res=$?; \
    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 "\"centos-10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'melange.6.0.1-51' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test melange.6.0.1-51) || true
RUN opam reinstall --with-test --verbose melange.6.0.1-51; \
    res=$?; \
    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 "\"centos-10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'melange.6.0.1-51' && partial_fails="$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 .

2025-12-08 16:16.48: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c-melange.6.0.1-51-874518b80fe25606a3e33aa700981f720b90c02f"
2025-12-08 16:16.48: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c)
 (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.6.0.1-51 6.0.1-51"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall melange.6.0.1-51;\
             \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 \"\\\"centos-10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'melange.6.0.1-51' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test melange.6.0.1-51) || true"))
 (run (shell  "opam reinstall --with-test --verbose melange.6.0.1-51;\
             \n        res=$?;\
             \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 \"\\\"centos-10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'melange.6.0.1-51' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-08 16:16.48: Waiting for resource in pool OCluster
2025-12-08 16:40.07: Waiting for worker…
2025-12-08 16:42.56: Got resource from pool OCluster
Building on clete
All commits already cached
HEAD is now at 95f7875db7 Merge pull request #29036 from MisterDA/windows-ci
Merge made by the 'ort' strategy.
 packages/melange-webapi/melange-webapi.0.21.0/opam |  2 +-
 packages/melange/melange.6.0.1-414/opam            | 42 ++++++++++++++++++++++
 packages/melange/melange.6.0.1-51/opam             | 42 ++++++++++++++++++++++
 packages/melange/melange.6.0.1-52/opam             | 42 ++++++++++++++++++++++
 packages/melange/melange.6.0.1-53/opam             | 42 ++++++++++++++++++++++
 packages/melange/melange.6.0.1-54/opam             | 42 ++++++++++++++++++++++
 .../reason-react-ppx/reason-react-ppx.0.13.0/opam  |  2 +-
 .../server-reason-react.0.2.0/opam                 |  2 +-
 .../server-reason-react.0.3.0/opam                 |  2 +-
 .../server-reason-react.0.3.1/opam                 |  4 +--
 10 files changed, 216 insertions(+), 6 deletions(-)
 create mode 100644 packages/melange/melange.6.0.1-414/opam
 create mode 100644 packages/melange/melange.6.0.1-51/opam
 create mode 100644 packages/melange/melange.6.0.1-52/opam
 create mode 100644 packages/melange/melange.6.0.1-53/opam
 create mode 100644 packages/melange/melange.6.0.1-54/opam

(from ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c)
2025-12-08 16:43.04 ---> using "af5df9e4834830d391d310f1ad73cb3b374fad3e2b8574f9653548b8bcf421b3" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-08 16:43.04 ---> using "c06bb258dbdfea143b8f1f88c291e105f778fdd7ce9635360f15ba04f8d14370" 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
2025-12-08 16:43.04 ---> using "7b177e897b09b43133757096f6640f71201da9f64118283fb263c95b0308b76a" 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=centos os-version=10
# 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       4.14
# 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
2025-12-08 16:43.04 ---> using "9bd5ee6590ac70bb6918bc24e765a280ee20c9e0ad486affc9f75c3174076ffa" 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/"))
2025-12-08 16:43.04 ---> using "78752b6feabe2612f950b6ba117e458f4ad3718ea67ecdbb498dc43383b64ead" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-08 16:43.10 ---> saved as "2dfd67e29ded28d98d42bb92a68217efd5dcfae860dad533f2e3eea1bc943d9a"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-08 16:43.32 ---> saved as "42a2e319f9ddb01c9d7d8cef3fd6fdbf9b052c80880c8dda76fcb1ab44b29c76"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        28 kB/s |  15 kB     00:00    
- CentOS Stream 10 - AppStream                    125 kB/s |  15 kB     00:00    
- CentOS Stream 10 - CRB                          119 kB/s |  14 kB     00:00    
- CentOS Stream 10 - Extras packages               41 kB/s |  17 kB     00:00    
- CentOS Stream 10 - Extras packages               74 kB/s | 8.1 kB     00:00    
- Metadata cache created.
2025-12-08 16:43.35 ---> saved as "030d0358617d04b27f0782a3e3245d08ae9c48bf9e12eb101c7c33e921144558"

/home/opam: (run (shell "opam pin add -k version -yn melange.6.0.1-51 6.0.1-51"))
melange is now pinned to version 6.0.1-51
2025-12-08 16:43.36 ---> saved as "7255b1bf92aae50f9d5a2159a4318616725b2fe48a2b3d6d080f94c0b9fc9ae2"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall melange.6.0.1-51;\
                        \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 \"\\\"centos-10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'melange.6.0.1-51' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
melange.6.0.1-51 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.14.2 -> ocaml = 4.14.2
    - melange = 6.0.1-51 -> ocaml >= 5.1
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - melange = 6.0.1-51 -> ocaml >= 5.1 -> ocaml-variants >= 5.1.0~
  * Missing dependency:
    - melange = 6.0.1-51 -> ocaml >= 5.1 -> ocaml-variants >= 5.1.0~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall melange.6.0.1-51;
        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 "\"centos-10\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'melange.6.0.1-51' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-08 16:43.53: Job failed: Failed: Build failed
2025-12-08 16:43.53: Log analysis:
2025-12-08 16:43.53: >>> 
No solution found, exiting
 (score = 100)
2025-12-08 16:43.53: [SKIP] Package not available