(not at the head of any monitored branch or PR)
2026-03-06 15:46.07: New job: build opentelemetry-client-cohttp-eio.0.13, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29501/head (893c1784a20aa699d0ef00d2df9fe0e8c997c853)
                              on centos-9-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29501/head" && git reset --hard 893c1784
git fetch origin master
git merge --no-edit 31db989bcaf14647d9889b8903120d6202ac37a8
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-4.14@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn opentelemetry-client-cohttp-eio.0.13 0.13
RUN opam reinstall opentelemetry-client-cohttp-eio.0.13; \
    res=$?; \
    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 "$pkg" != 'opentelemetry-client-cohttp-eio.0.13' && partial_fails="$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 .

2026-03-06 15:46.07: Using cache hint "ocaml/opam:centos-9-ocaml-4.14@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61-opentelemetry-client-cohttp-eio.0.13-893c1784a20aa699d0ef00d2df9fe0e8c997c853"
2026-03-06 15:46.07: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-4.14@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61)
 (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 opentelemetry-client-cohttp-eio.0.13 0.13"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall opentelemetry-client-cohttp-eio.0.13;\
             \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 \"$pkg\" != 'opentelemetry-client-cohttp-eio.0.13' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-06 15:46.07: Waiting for resource in pool OCluster
2026-03-06 15:49.23: Waiting for worker…
2026-03-06 15:51.39: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 31db989bca Merge pull request #29510 from kit-ty-kate/lwt-ocaml5
Updating 31db989bca..893c1784a2
Fast-forward
 .../opentelemetry-client-cohttp-eio.0.13/opam      | 54 ++++++++++++++++++++
 .../opentelemetry-client-cohttp-lwt.0.13/opam      | 51 +++++++++++++++++++
 .../opentelemetry-client-ocurl.0.13/opam           | 47 ++++++++++++++++++
 .../opentelemetry-cohttp-lwt.0.13/opam             | 47 ++++++++++++++++++
 .../opentelemetry-logs.0.13/opam                   | 49 +++++++++++++++++++
 .../opentelemetry-lwt/opentelemetry-lwt.0.13/opam  | 48 ++++++++++++++++++
 packages/opentelemetry/opentelemetry.0.13/opam     | 57 ++++++++++++++++++++++
 7 files changed, 353 insertions(+)
 create mode 100644 packages/opentelemetry-client-cohttp-eio/opentelemetry-client-cohttp-eio.0.13/opam
 create mode 100644 packages/opentelemetry-client-cohttp-lwt/opentelemetry-client-cohttp-lwt.0.13/opam
 create mode 100644 packages/opentelemetry-client-ocurl/opentelemetry-client-ocurl.0.13/opam
 create mode 100644 packages/opentelemetry-cohttp-lwt/opentelemetry-cohttp-lwt.0.13/opam
 create mode 100644 packages/opentelemetry-logs/opentelemetry-logs.0.13/opam
 create mode 100644 packages/opentelemetry-lwt/opentelemetry-lwt.0.13/opam
 create mode 100644 packages/opentelemetry/opentelemetry.0.13/opam

(from ocaml/opam:centos-9-ocaml-4.14@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61)
Unable to find image 'ocaml/opam:centos-9-ocaml-4.14@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61' locally
docker.io/ocaml/opam@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61: Pulling from ocaml/opam
55e3b0f61370: Pulling fs layer
12a9ad09ad0b: Pulling fs layer
c6dcb611bb0d: Pulling fs layer
e9d04e808392: Pulling fs layer
e568c6ed001b: Pulling fs layer
a3ad6a03a86f: Pulling fs layer
55bdb2507800: Pulling fs layer
c6dcb611bb0d: Waiting
e9d04e808392: Waiting
e568c6ed001b: Waiting
a3ad6a03a86f: Waiting
056e0fa9d7fe: Pulling fs layer
02cc36a2ccdd: Pulling fs layer
55bdb2507800: Waiting
51b1639760e7: Pulling fs layer
02cc36a2ccdd: Waiting
5055ae0204da: Pulling fs layer
056e0fa9d7fe: Waiting
9127e08d0fa9: Pulling fs layer
ebf10482819f: Pulling fs layer
3478f754a380: Pulling fs layer
d2295af6d9c9: Pulling fs layer
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14b4a8be42ec: Pulling fs layer
51b1639760e7: Waiting
d2295af6d9c9: Waiting
5055ae0204da: Waiting
7b031bf21aa8: Pulling fs layer
9127e08d0fa9: Waiting
7b031bf21aa8: Waiting
cfa8f5a68da6: Pulling fs layer
0cf240c3a9ad: Pulling fs layer
14b4a8be42ec: Waiting
cfa8f5a68da6: Waiting
2cb7f127a4d4: Pulling fs layer
97558565a111: Pulling fs layer
4f4fb700ef54: Pulling fs layer
0a4f8d574e9d: Pulling fs layer
97558565a111: Waiting
2cb7f127a4d4: Waiting
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e6bb57de3737: Pulling fs layer
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99700e7de304: Pulling fs layer
848c53ec0c08: Waiting
10d47c71b367: Waiting
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99700e7de304: Waiting
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d79885d80fc7: Waiting
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6d2c2cd0f336: Pulling fs layer
d238f36eb792: Waiting
b58223d25a6a: Waiting
7cacbea9044a: Pulling fs layer
17b1468f5133: Pulling fs layer
6d2c2cd0f336: Waiting
7cacbea9044a: Waiting
4811617af50c: Pulling fs layer
17b1468f5133: Waiting
55f8f6f7fa14: Pulling fs layer
4811617af50c: Waiting
bb1c245e68c1: Pulling fs layer
eb367fd614a7: Pulling fs layer
8f116e89c095: Pulling fs layer
55f8f6f7fa14: Waiting
bb1c245e68c1: Waiting
eb367fd614a7: Waiting
8f116e89c095: Waiting
12a9ad09ad0b: Download complete
55e3b0f61370: Verifying Checksum
55e3b0f61370: Download complete
55e3b0f61370: Pull complete
12a9ad09ad0b: Pull complete
c6dcb611bb0d: Verifying Checksum
c6dcb611bb0d: Download complete
a3ad6a03a86f: Verifying Checksum
a3ad6a03a86f: Download complete
55bdb2507800: Verifying Checksum
55bdb2507800: Download complete
c6dcb611bb0d: Pull complete
e568c6ed001b: Verifying Checksum
e568c6ed001b: Download complete
056e0fa9d7fe: Verifying Checksum
056e0fa9d7fe: Download complete
02cc36a2ccdd: Verifying Checksum
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51b1639760e7: Download complete
5055ae0204da: Verifying Checksum
5055ae0204da: Download complete
ebf10482819f: Verifying Checksum
ebf10482819f: Download complete
9127e08d0fa9: Verifying Checksum
9127e08d0fa9: Download complete
3478f754a380: Download complete
e64979636222: Verifying Checksum
e64979636222: Download complete
d2295af6d9c9: Verifying Checksum
d2295af6d9c9: Download complete
14b4a8be42ec: Download complete
7b031bf21aa8: Verifying Checksum
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d79885d80fc7: Pull complete
7572bb5286a8: Pull complete
afd31d27b128: Pull complete
79e444962f95: Pull complete
b58223d25a6a: Pull complete
d238f36eb792: Pull complete
6d2c2cd0f336: Pull complete
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Digest: sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61
Status: Downloaded newer image for ocaml/opam@sha256:8cf91e91a31650c4c8964ffbd762f09f8001a9debea91d51a5ef9ec4b7079e61
2026-03-06 15:54.43 ---> saved as "00ca9988846b77878301e6d5b0c598b11a3e950194324808f549e1f93d0b0ebc"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-06 15:54.43 ---> saved as "a8ced5ec3f1285b121cd476b8620e592399d109c94104b7e0aa75b0d7826c3e5"

/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
[NOTE] The 'jobs' option was reset, its value was 71 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=71 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-06 15:55.05 ---> saved as "97bb4a95279c99b35bf903d151a3088aef7894155d75200375d243f84a0ac267"

/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                 255
# 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
2026-03-06 15:55.06 ---> saved as "5d0b940fa76f01eb6680b39dffdc386f526c3bb1e007a4546328bcd9fa8739f3"

/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/"))
2026-03-06 15:55.16 ---> saved as "fccb809a15f8ad03b1ff98476ecef1550cd0c1502b58d8fe2ea21907e7efef01"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-06 15:55.26 ---> saved as "7820828ab62b6acec638702ed4d9503a9bb2a656d48d4fc410a67e87712166a0"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-06 15:55.44 ---> saved as "73954a882d6369f39af2d36e1c5774cd18948623fa84a8737518854f66fb8cc1"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                         67 kB/s |  15 kB     00:00    
- CentOS Stream 9 - BaseOS                        3.6 MB/s | 8.9 MB     00:02    
- CentOS Stream 9 - AppStream                     107 kB/s |  16 kB     00:00    
- CentOS Stream 9 - AppStream                      13 MB/s |  27 MB     00:02    
- CentOS Stream 9 - CRB                           109 kB/s |  15 kB     00:00    
- CentOS Stream 9 - CRB                           3.5 MB/s | 8.0 MB     00:02    
- CentOS Stream 9 - Extras packages               123 kB/s |  17 kB     00:00    
- Metadata cache created.
2026-03-06 15:56.02 ---> saved as "cfdcab50a8a5317cfb54289e37708002961d9ab8db39507c80cbd662bef5e311"

/home/opam: (run (shell "opam pin add -k version -yn opentelemetry-client-cohttp-eio.0.13 0.13"))
opentelemetry-client-cohttp-eio is now pinned to version 0.13
2026-03-06 15:56.03 ---> saved as "91c64b81cffc3376f5cb0f0a381579c6e0c3143a9cd35eac94a8550f69823b97"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall opentelemetry-client-cohttp-eio.0.13;\
                        \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 \"$pkg\" != 'opentelemetry-client-cohttp-eio.0.13' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
opentelemetry-client-cohttp-eio.0.13 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
    - opentelemetry-client-cohttp-eio >= 0.13 -> ocaml >= 5.0
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - opentelemetry-client-cohttp-eio >= 0.13 -> ocaml >= 5.0 -> ocaml-variants >= 5.0.0~
  * Missing dependency:
    - opentelemetry-client-cohttp-eio >= 0.13 -> ocaml >= 5.0 -> ocaml-variants >= 5.0.0~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall opentelemetry-client-cohttp-eio.0.13;
        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 "$pkg" != 'opentelemetry-client-cohttp-eio.0.13' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-03-06 15:56.13: Job failed: Failed: Build failed
2026-03-06 15:56.13: Log analysis:
2026-03-06 15:56.13: >>> 
No solution found, exiting
 (score = 100)
2026-03-06 15:56.13: [SKIP] Package not available