(not at the head of any monitored branch or PR)
2025-12-07 04:55.09: New job: build melange-jest.0.2.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29029/head (dc256e36cd2114951fe07f4321c2b26e4bb14d33)
                              on centos-10-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29029/head" && git reset --hard dc256e36
git fetch origin master
git merge --no-edit 2ab7464b16d46be89975bea0595240dd3fccf608
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-5.4@sha256:efc63d228e3c062f397ce3c445abfb0517456306cc1c7062039d2acb6c8de01e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn melange-jest.0.2.0 0.2.0
RUN opam reinstall melange-jest.0.2.0; \
    res=$?; \
    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 "$pkg" != 'melange-jest.0.2.0' && partial_fails="$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 .

2025-12-07 04:55.09: Using cache hint "ocaml/opam:centos-10-ocaml-5.4@sha256:efc63d228e3c062f397ce3c445abfb0517456306cc1c7062039d2acb6c8de01e-melange-jest.0.2.0-dc256e36cd2114951fe07f4321c2b26e4bb14d33"
2025-12-07 04:55.09: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-5.4@sha256:efc63d228e3c062f397ce3c445abfb0517456306cc1c7062039d2acb6c8de01e)
 (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-jest.0.2.0 0.2.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall melange-jest.0.2.0;\
             \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 \"$pkg\" != 'melange-jest.0.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-07 04:55.09: Waiting for resource in pool OCluster
2025-12-07 04:55.10: Waiting for worker…
2025-12-07 04:55.11: Got resource from pool OCluster
Building on clete
All commits already cached
Updating files:  96% (18411/18981)
Updating files:  97% (18412/18981)
Updating files:  98% (18602/18981)
Updating files:  99% (18792/18981)
Updating files: 100% (18981/18981)
Updating files: 100% (18981/18981), done.
HEAD is now at 2ab7464b16 Merge pull request #29022 from thatportugueseguy/release-passage-0.3.1
Updating 2ab7464b16..dc256e36cd
Fast-forward
 packages/melange-jest/melange-jest.0.2.0/opam | 48 +++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 packages/melange-jest/melange-jest.0.2.0/opam

(from ocaml/opam:centos-10-ocaml-5.4@sha256:efc63d228e3c062f397ce3c445abfb0517456306cc1c7062039d2acb6c8de01e)
2025-12-07 04:55.39 ---> using "938365c8c749405e912ef5ac55d5ab722706939c2fa67e1670172e0858d22458" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-07 04:55.39 ---> using "421f72c6bb06596f1385b3350fa85b00afd035720a28ffc169f13f86e3d65b4b" 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.

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
2025-12-07 04:55.39 ---> using "097f387a2870aa53cb7e882e41fef08e411a84d971d0f423cee2d39808f97e60" 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       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
2025-12-07 04:55.39 ---> using "4d3bc0373650d6d6abf556dceae00ef1f990aa0210ac196713a124fd6d41e301" 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/"))
2025-12-07 04:55.39 ---> using "b0fb22f455e77fd65c7fa959079015483ef9524248cb1a35cca93a49e618e016" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-07 04:55.54 ---> saved as "b3618cdc4e3c3858c1cda35d1687e8ba721751356a9091020420f147a7480c82"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-07 04:56.14 ---> saved as "3a3521280ac897a3b2ea9b21395229b65ac82722456a99aabbfb8d0c226f4c02"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        35 kB/s |  14 kB     00:00    
- CentOS Stream 10 - BaseOS                        10 MB/s | 6.8 MB     00:00    
- CentOS Stream 10 - AppStream                    145 kB/s |  15 kB     00:00    
- CentOS Stream 10 - AppStream                    4.9 MB/s | 3.4 MB     00:00    
- CentOS Stream 10 - CRB                           35 kB/s |  14 kB     00:00    
- CentOS Stream 10 - CRB                          1.6 MB/s | 767 kB     00:00    
- CentOS Stream 10 - Extras packages               41 kB/s |  17 kB     00:00    
- Metadata cache created.
2025-12-07 04:56.21 ---> saved as "66f9488d3f8a3fa3fc2ba001ca97cbcdbf0d7113ceae4b3b9da0bcf9bec90194"

/home/opam: (run (shell "opam pin add -k version -yn melange-jest.0.2.0 0.2.0"))
melange-jest is now pinned to version 0.2.0
2025-12-07 04:56.22 ---> saved as "7814038a6d5b693a8a001e9294b6c1d9343436643b2a112f9491a2c9679ffbad"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall melange-jest.0.2.0;\
                        \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 \"$pkg\" != 'melange-jest.0.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
melange-jest.0.2.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - melange-jest >= 0.2.0 -> melange >= 5.0.0 -> ocaml < 5.2 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - melange-jest >= 0.2.0 -> melange >= 5.0.0 -> ocaml < 5.2 -> ocaml-variants (< 4.00.1~ | >= 4.00.1)
  * Missing dependency:
    - melange-jest >= 0.2.0 -> melange >= 5.0.0 -> 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-jest >= 0.2.0 -> melange >= 5.0.0 -> ocaml < 5.2 -> ocaml-variants >= 4.00.1 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - melange-jest >= 0.2.0 -> melange >= 5.0.0 -> ocaml < 5.2 -> ocaml-variants >= 4.00.1 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall melange-jest.0.2.0;
        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 "$pkg" != 'melange-jest.0.2.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-07 04:56.43: Job failed: Failed: Build failed
2025-12-07 04:56.43: Log analysis:
2025-12-07 04:56.43: >>> 
No solution found, exiting
 (score = 100)
2025-12-07 04:56.43: [SKIP] Package not available