Build:
  1. 0
2026-02-20 20:24.38: New job: test frontmatter_extractor.0.2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29444/head (749686eb32eaee6853135f48e99564dce0ceed07)
                              on debian-13-ocaml-4.14-flambda-fp/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29444/head" && git reset --hard 749686eb
git fetch origin master
git merge --no-edit b820e8c25e0dea7a5ce86f961c182a44938fa39a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14-flambda-fp@sha256:9e9120c5d377edb8bb3342b4baba7d126badf8416e604d47e6e9b309fdb0beb2
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn frontmatter_extractor.0.2 0.2
RUN opam reinstall frontmatter_extractor.0.2; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'frontmatter_extractor.0.2' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test frontmatter_extractor.0.2) || true
RUN opam reinstall --with-test --verbose frontmatter_extractor.0.2; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'frontmatter_extractor.0.2' && partial_fails="$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 .

2026-02-20 20:24.38: Using cache hint "ocaml/opam:debian-13-ocaml-4.14-flambda-fp@sha256:9e9120c5d377edb8bb3342b4baba7d126badf8416e604d47e6e9b309fdb0beb2-frontmatter_extractor.0.2-749686eb32eaee6853135f48e99564dce0ceed07"
2026-02-20 20:24.38: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14-flambda-fp@sha256:9e9120c5d377edb8bb3342b4baba7d126badf8416e604d47e6e9b309fdb0beb2)
 (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 frontmatter_extractor.0.2 0.2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall frontmatter_extractor.0.2;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'frontmatter_extractor.0.2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test frontmatter_extractor.0.2) || true"))
 (run (shell  "opam reinstall --with-test --verbose frontmatter_extractor.0.2;\
             \n        res=$?;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'frontmatter_extractor.0.2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-20 20:24.38: Waiting for resource in pool OCluster
2026-02-20 20:24.38: Waiting for worker…
2026-02-20 20:24.40: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at b820e8c25e Merge pull request #29435 from dx3mod/opam-publish-serialport.0.3
Updating b820e8c25e..749686eb32
Fast-forward
 .../frontmatter_extractor.0.2/opam                 | 37 ++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 packages/frontmatter_extractor/frontmatter_extractor.0.2/opam

(from ocaml/opam:debian-13-ocaml-4.14-flambda-fp@sha256:9e9120c5d377edb8bb3342b4baba7d126badf8416e604d47e6e9b309fdb0beb2)
2026-02-20 20:26.13 ---> saved as "4aacd7d50ead6f437152ed69ee3538b46f09a7d1032465a2b0873d6e0534c077"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-20 20:26.13 ---> saved as "a64a0393f8dc61c401129da1f6a3f439abf46b2e5bf2c6cbd675914530e83dc6"

/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
2026-02-20 20:26.38 ---> saved as "ecdf269d6871e1d6cf52da26d5807eb6ef8fc53a21132191801256f3c195eafc"

/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=debian os-version=13
# 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-options-only-flambda-fp"]
# compiler-packages    ocaml-option-flambda.1, ocaml-option-fp.1, ocaml-options-only-flambda-fp.1, ocaml-variants.4.14.2+options
# 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+options+fp+flambda
2026-02-20 20:26.39 ---> saved as "7cdd6c67d0379db97c034f63a6cab06c6ed949f882b8a601a4678bb15b5601d1"

/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/"))
2026-02-20 20:26.46 ---> saved as "8cd4356a34c7c09aad69cb0340a0dfb2cd7b800f182a088121e9365ead757644"

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-20 20:26.53 ---> saved as "19daf02bdc54d70ba647ba0797b511525486d0393c1ac5af98a104ab32171ba8"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-20 20:27.07 ---> saved as "182c4ae3b9292709f9b76e0e23c942e40f64271df72dc9160584f6b573e4f843"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [112 kB]
- Fetched 203 kB in 0s (1801 kB/s)
- Reading package lists...
2026-02-20 20:27.08 ---> saved as "e91ba8d0e613c19419e4a10bfc598b5f20c788d05f3c752f2ddf422f6bab257b"

/home/opam: (run (shell "opam pin add -k version -yn frontmatter_extractor.0.2 0.2"))
frontmatter_extractor is now pinned to version 0.2
2026-02-20 20:27.09 ---> saved as "19b056626a938ab85816f3f13d9482c70b6e6267817d5e64311d7321812b49bf"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall frontmatter_extractor.0.2;\
                        \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 \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'frontmatter_extractor.0.2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
frontmatter_extractor.0.2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install dune                  3.21.1       [required by frontmatter_extractor]
  - install frontmatter_extractor 0.2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.21.1  (cached)
-> retrieved frontmatter_extractor.0.2  (cached)
-> installed dune.3.21.1
-> installed frontmatter_extractor.0.2
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-20 20:27.44 ---> saved as "603272ed3c10f4118835fde6997af0de2c9d1ae33942f757c6e123942a7d20f6"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test frontmatter_extractor.0.2) || true"))
The following actions will be performed:
=== recompile 1 package
  - recompile frontmatter_extractor 0.2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved frontmatter_extractor.0.2  (https://github.com/dx3mod/frontmatter_extractor/archive/refs/tags/0.2.tar.gz)
-> removed   frontmatter_extractor.0.2
-> installed frontmatter_extractor.0.2
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-20 20:27.48 ---> saved as "7a10c951a68b03d3fffd86fe49aea3035329998c8b7c835ffaafb37b4c77c5c9"

/home/opam: (run (shell  "opam reinstall --with-test --verbose frontmatter_extractor.0.2;\
                        \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 \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'frontmatter_extractor.0.2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
The following actions will be performed:
=== recompile 1 package
  - recompile frontmatter_extractor 0.2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/4: [frontmatter_extractor.0.2: extract]
-> retrieved frontmatter_extractor.0.2  (cached)
Processing  2/4: [frontmatter_extractor: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "frontmatter_extractor" "-j" "71" "@install" "@runtest" (CWD=/home/opam/.opam/4.14/.opam-switch/build/frontmatter_extractor.0.2)
-> compiled  frontmatter_extractor.0.2
-> removed   frontmatter_extractor.0.2
-> installed frontmatter_extractor.0.2
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-20 20:27.52 ---> saved as "304a1a62fa312bf5d3bf254b1691376ec4bd34d9e5c98f1c3f9fa6e3ff667eb1"
Job succeeded
2026-02-20 20:28.02: Job succeeded