2026-02-26 19:08.23: New job: build ppx_mikmatch.1.2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29465/head (4ee5d8c91ce5ad16bfbc35c3198271770bd0bbce)
                              on centos-10-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29465/head" && git reset --hard 4ee5d8c9
git fetch origin master
git merge --no-edit 36196ba7f81e6f83fef0d41f126d3178b424b5c1
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-5.4@sha256:b60b0d0dee00f454ed76df9a70855264a5a1b78629eb86717c4bb59972acda34
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ppx_mikmatch.1.2 1.2
RUN opam reinstall ppx_mikmatch.1.2; \
    res=$?; \
    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 "$pkg" != 'ppx_mikmatch.1.2' && partial_fails="$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 .

2026-02-26 19:08.23: Using cache hint "ocaml/opam:centos-10-ocaml-5.4@sha256:b60b0d0dee00f454ed76df9a70855264a5a1b78629eb86717c4bb59972acda34-ppx_mikmatch.1.2-4ee5d8c91ce5ad16bfbc35c3198271770bd0bbce"
2026-02-26 19:08.23: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-5.4@sha256:b60b0d0dee00f454ed76df9a70855264a5a1b78629eb86717c4bb59972acda34)
 (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 ppx_mikmatch.1.2 1.2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ppx_mikmatch.1.2;\
             \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 \"$pkg\" != 'ppx_mikmatch.1.2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-26 19:08.23: Waiting for resource in pool OCluster
2026-02-27 02:18.43: Waiting for worker…
2026-02-27 02:22.45: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
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HEAD is now at 36196ba7f8 Merge pull request #29464 from sim642/release-earlybird-1.3.5
Merge made by the 'ort' strategy.
 packages/ppx_mikmatch/ppx_mikmatch.1.2/opam | 55 +++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 packages/ppx_mikmatch/ppx_mikmatch.1.2/opam

(from ocaml/opam:centos-10-ocaml-5.4@sha256:b60b0d0dee00f454ed76df9a70855264a5a1b78629eb86717c4bb59972acda34)
2026-02-27 02:23.20 ---> using "268f3afe60c8043c64234fc3446aad7bf23e91297ee82be8991e0248ffb543c8" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-27 02:23.20 ---> using "60586c01ffcc258bca01b9feab5f9fdd8972b86143677a1e3285cbd9545b4fb4" 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
2026-02-27 02:23.20 ---> using "b2c8422e8f2d1afdead1189336070743a57acf7e6d31f137bb97e32a5c454c88" 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                 255
# 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
2026-02-27 02:23.20 ---> using "e018eccf0fdbc679909eee1d2d6f54a04057a1a7c692bee92511ac5396a5b513" 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/"))
2026-02-27 02:23.20 ---> using "d5c698c6a312d57e4bfdf77bd4327de9dc98c204508e16f29603092641bdca7a" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-27 03:59.07: Job failed: Disconnected: Switch turned off