Build:
  1. 0
2025-12-08 16:16.48: New job: build server-reason-react.0.3.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29001/head (874518b80fe25606a3e33aa700981f720b90c02f)
                              on centos-9-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29001/head" && git reset --hard 874518b8
git fetch origin master
git merge --no-edit 95f7875db7c621d309c559d9c2ba6781e43a8bb9
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn server-reason-react.0.3.1 0.3.1
RUN opam reinstall server-reason-react.0.3.1; \
    res=$?; \
    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-9\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'server-reason-react.0.3.1' && partial_fails="$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-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a-server-reason-react.0.3.1-874518b80fe25606a3e33aa700981f720b90c02f"
2025-12-08 16:16.48: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a)
 (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 server-reason-react.0.3.1 0.3.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall server-reason-react.0.3.1;\
             \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-9\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'server-reason-react.0.3.1' && partial_fails=\"$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 16:42.44: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
Updating files:  90% (17161/18989)
Updating files:  91% (17280/18989)
Updating files:  92% (17470/18989)
Updating files:  93% (17660/18989)
Updating files:  94% (17850/18989)
Updating files:  95% (18040/18989)
Updating files:  96% (18230/18989)
Updating files:  97% (18420/18989)
Updating files:  98% (18610/18989)
Updating files:  99% (18800/18989)
Updating files: 100% (18989/18989)
Updating files: 100% (18989/18989), done.
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-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a)
Unable to find image 'ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a' locally
docker.io/ocaml/opam@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a: Pulling from ocaml/opam
881a71026169: Already exists
880bbc3864e6: Already exists
c4ec5f3505cb: Already exists
75e7b0396fcc: Already exists
3ca5c969dcc2: Already exists
efc63d6eaedd: Already exists
5a055fd5e877: Already exists
0102cea6b2f9: Already exists
8cf51e65f8f6: Already exists
8e442d765a6d: Already exists
a53dcd108a05: Already exists
93924b9c5b78: Already exists
557d7d6c5196: Already exists
2e6ff05691c9: Already exists
9619bff3b9a6: Already exists
e3d2d83e2752: Already exists
151a22ad83ea: Already exists
f3e55457d2b2: Already exists
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898b25f9080d: Already exists
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da9b3b1acf4d: Already exists
d8a7b2453254: Already exists
738bf3a90a51: Already exists
92c90f7218e5: Already exists
315d195360ea: Already exists
56e05f6cc28b: Already exists
71c70c203a0b: Already exists
cfd932fae6f8: Already exists
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0953b3e96cb6: Already exists
acafa5315efb: Already exists
11da4ff42365: Already exists
e06d49fbe64e: Already exists
c38f7ba8759d: Pulling fs layer
94ed9f256304: Pulling fs layer
843ceb19c61a: Pulling fs layer
b4ed37d6a04d: Pulling fs layer
b4ed37d6a04d: Waiting
94ed9f256304: Download complete
843ceb19c61a: Verifying Checksum
843ceb19c61a: Download complete
b4ed37d6a04d: Verifying Checksum
b4ed37d6a04d: Download complete
c38f7ba8759d: Verifying Checksum
c38f7ba8759d: Download complete
c38f7ba8759d: Pull complete
94ed9f256304: Pull complete
843ceb19c61a: Pull complete
b4ed37d6a04d: Pull complete
Digest: sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a
Status: Downloaded newer image for ocaml/opam@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a
2025-12-08 16:48.46 ---> using "cf3bdf7c6ccde7aeabb7602259f2983b0c7cc4f9b92c3b9af7bf1c01a6847bc1" 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 16:48.46 ---> using "eb97dd04abfa1ca410aa859e8a619eb8a51c1d2277a7e9c8bc88e675aa5b2b1b" 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 16:48.46 ---> using "bc43f3531d385ba210a1f24d750ee80c2b42d6a9cda0c475a702a0ef0033ce09" 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=9
# 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 16:48.46 ---> using "d7ae60ffc43fb71d5e5db30e94ba2b45b91f7b9db334b62a2165237dbf15eb69" 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 16:48.46 ---> using "178531758814efeeacb9764cc51ae2d6f73707474387bd488cabb843f0b36459" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-08 16:48.47 ---> using "152e6b44ed7eec8571f2f6a9fbb4ea47e5ca8e4c3681e24673f4631e6ee8c4b2" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-08 16:48.47 ---> using "74f1ef0c27bcec042b02cf16955708b4503b54e7bff43e5aff53fbd5dbc0407d" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                        110 kB/s |  15 kB     00:00    
- CentOS Stream 9 - BaseOS                        573 kB/s | 8.8 MB     00:15    
- CentOS Stream 9 - AppStream                      79 kB/s |  15 kB     00:00    
- CentOS Stream 9 - AppStream                     1.5 MB/s |  26 MB     00:17    
- CentOS Stream 9 - CRB                            56 kB/s |  14 kB     00:00    
- CentOS Stream 9 - CRB                           412 kB/s | 7.4 MB     00:18    
- CentOS Stream 9 - Extras packages               121 kB/s |  17 kB     00:00    
- Metadata cache created.
2025-12-08 16:48.47 ---> using "11b528f934421e9ebbc55b5bf523ae4f4c0c352b6d395495401ba22b6998a772" from cache

/home/opam: (run (shell "opam pin add -k version -yn server-reason-react.0.3.1 0.3.1"))
server-reason-react is now pinned to version 0.3.1
2025-12-08 16:48.48 ---> saved as "766e1c5574100fa6b4aa75c33e92bc18b77b99501e030c0c5119e2891be985b9"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall server-reason-react.0.3.1;\
                        \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-9\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'server-reason-react.0.3.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
server-reason-react.0.3.1 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
    - server-reason-react = 0.3.1 -> ocaml >= 5.0.0
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - server-reason-react = 0.3.1 -> ocaml >= 5.0.0 -> ocaml-variants >= 5.4.1~

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall server-reason-react.0.3.1;
        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-9\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'server-reason-react.0.3.1' && partial_fails="$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 16:49.12: Job failed: Failed: Build failed
2025-12-08 16:49.12: Log analysis:
2025-12-08 16:49.12: >>> 
No solution found, exiting
 (score = 100)
2025-12-08 16:49.12: [SKIP] Package not available