(not at the head of any monitored branch or PR)
2025-06-22 15:08.53: New job: build irmin-chunk.3.11.0, lower-bounds, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28048/head (48fdb7b54bcc9118691798729e3e6d75987a782e)
                              on debian-12-ocaml-4.10/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28048/head" && git reset --hard 48fdb7b5
git fetch origin master
git merge --no-edit 2cd8e78594a8943245b8061dbdabd39e7ca492fb
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.10@sha256:60383aa792249efa81135d3a58739208ebb9d102acd693c0e52a0bbd52357b17
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn irmin-chunk.3.11.0 3.11.0
RUN opam reinstall irmin-chunk.3.11.0; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'irmin-chunk.3.11.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
ENV OPAMCRITERIA="+removed,+count[version-lag,solution]"
ENV OPAMFIXUPCRITERIA="+removed,+count[version-lag,solution]"
ENV OPAMUPGRADECRITERIA="+removed,+count[version-lag,solution]"
RUN opam reinstall irmin-chunk.3.11.0; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'irmin-chunk.3.11.0' && partial_fails="$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 .

2025-06-22 15:08.53: Using cache hint "ocaml/opam:debian-12-ocaml-4.10@sha256:60383aa792249efa81135d3a58739208ebb9d102acd693c0e52a0bbd52357b17-irmin-chunk.3.11.0-48fdb7b54bcc9118691798729e3e6d75987a782e"
2025-06-22 15:08.53: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.10@sha256:60383aa792249efa81135d3a58739208ebb9d102acd693c0e52a0bbd52357b17)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.3 /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 irmin-chunk.3.11.0 3.11.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall irmin-chunk.3.11.0;\
             \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 \"\\\"debian-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'irmin-chunk.3.11.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (env OPAMCRITERIA +removed,+count[version-lag,solution])
 (env OPAMFIXUPCRITERIA +removed,+count[version-lag,solution])
 (env OPAMUPGRADECRITERIA +removed,+count[version-lag,solution])
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall irmin-chunk.3.11.0;\
             \n        res=$?;\
             \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 \"\\\"debian-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'irmin-chunk.3.11.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-06-22 15:08.53: Waiting for resource in pool OCluster
2025-06-22 15:08.58: Waiting for worker…
2025-06-22 15:08.58: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
HEAD is now at 2cd8e78594 Merge pull request #28046 from valoran-M/master
Merge made by the 'ort' strategy.
 packages/irmin-bench/irmin-bench.3.11.0/opam       | 60 +++++++++++++++++++
 packages/irmin-chunk/irmin-chunk.3.11.0/opam       | 36 +++++++++++
 packages/irmin-cli/irmin-cli.3.11.0/opam           | 70 ++++++++++++++++++++++
 packages/irmin-client/irmin-client.3.11.0/opam     | 43 +++++++++++++
 .../irmin-containers/irmin-containers.3.11.0/opam  | 43 +++++++++++++
 packages/irmin-fs/irmin-fs.3.11.0/opam             | 38 ++++++++++++
 packages/irmin-git/irmin-git.3.11.0/opam           | 54 +++++++++++++++++
 packages/irmin-graphql/irmin-graphql.3.11.0/opam   | 46 ++++++++++++++
 .../irmin-mirage-git/irmin-mirage-git.3.11.0/opam  | 37 ++++++++++++
 .../irmin-mirage-graphql.3.11.0/opam               | 36 +++++++++++
 packages/irmin-mirage/irmin-mirage.3.11.0/opam     | 33 ++++++++++
 .../irmin-pack-tools/irmin-pack-tools.3.11.0/opam  | 50 ++++++++++++++++
 packages/irmin-pack/irmin-pack.3.11.0/opam         | 45 ++++++++++++++
 packages/irmin-server/irmin-server.3.11.0/opam     | 46 ++++++++++++++
 packages/irmin-test/irmin-test.3.11.0/opam         | 51 ++++++++++++++++
 packages/irmin-tezos/irmin-tezos.3.11.0/opam       | 39 ++++++++++++
 packages/irmin/irmin.3.11.0/opam                   | 65 ++++++++++++++++++++
 packages/libirmin/libirmin.3.11.0/opam             | 35 +++++++++++
 packages/ppx_irmin/ppx_irmin.3.11.0/opam           | 35 +++++++++++
 19 files changed, 862 insertions(+)
 create mode 100644 packages/irmin-bench/irmin-bench.3.11.0/opam
 create mode 100644 packages/irmin-chunk/irmin-chunk.3.11.0/opam
 create mode 100644 packages/irmin-cli/irmin-cli.3.11.0/opam
 create mode 100644 packages/irmin-client/irmin-client.3.11.0/opam
 create mode 100644 packages/irmin-containers/irmin-containers.3.11.0/opam
 create mode 100644 packages/irmin-fs/irmin-fs.3.11.0/opam
 create mode 100644 packages/irmin-git/irmin-git.3.11.0/opam
 create mode 100644 packages/irmin-graphql/irmin-graphql.3.11.0/opam
 create mode 100644 packages/irmin-mirage-git/irmin-mirage-git.3.11.0/opam
 create mode 100644 packages/irmin-mirage-graphql/irmin-mirage-graphql.3.11.0/opam
 create mode 100644 packages/irmin-mirage/irmin-mirage.3.11.0/opam
 create mode 100644 packages/irmin-pack-tools/irmin-pack-tools.3.11.0/opam
 create mode 100644 packages/irmin-pack/irmin-pack.3.11.0/opam
 create mode 100644 packages/irmin-server/irmin-server.3.11.0/opam
 create mode 100644 packages/irmin-test/irmin-test.3.11.0/opam
 create mode 100644 packages/irmin-tezos/irmin-tezos.3.11.0/opam
 create mode 100644 packages/irmin/irmin.3.11.0/opam
 create mode 100644 packages/libirmin/libirmin.3.11.0/opam
 create mode 100644 packages/ppx_irmin/ppx_irmin.3.11.0/opam

(from ocaml/opam:debian-12-ocaml-4.10@sha256:60383aa792249efa81135d3a58739208ebb9d102acd693c0e52a0bbd52357b17)
2025-06-22 15:09.49 ---> using "fac8329b29b16afaaebf81a27278ea871f6e7aaade2528ea8d095e17087bbfcd" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-06-22 15:09.49 ---> using "ad5e0eec8c1b92c4cb35e35a3e5e29d406068a099f19c703ddf76e0059acb9ed" 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 development 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
2025-06-22 15:09.49 ---> using "4682dccc16e7bac2df9ca95f66e1369bda105ebadd60ad57d5c0c67985a50da8" 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         2.3.0 (35acd0c5abc5e66cdbd5be16ba77aa6c33a4c724)
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=12
# 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       4.10
# invariant            ["ocaml-base-compiler" {= "4.10.2"}]
# compiler-packages    ocaml-base-compiler.4.10.2
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.10/lib/ocaml/stublibs:/home/opam/.opam/4.10/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.10.2
2025-06-22 15:09.49 ---> using "04aab93badff3c3dbebdc5dd7bd1b29faf73c4fb74e982740cb59be9e3fa7bbb" 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/"))
2025-06-22 15:09.49 ---> using "8a8d0a42e662720ee9b9311a4a8860d63a44f6358c41284944cfe1704bf8390e" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-06-22 15:09.50 ---> using "886cf8e6e3bccad230abd2b769fca68938c5c9e695c6d5c90a713ccbfa2967b8" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-06-22 15:09.54 ---> saved as "e9236dd60161f02b267ebd3cb8a2dc9ef82e46d6c49faefd07414381ee1ae674"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [268 kB]
- Fetched 371 kB in 0s (1388 kB/s)
- Reading package lists...
2025-06-22 15:09.55 ---> saved as "3f5127240d105260c0b91bc877af6c7877851213cb0204f4b57c043c0889bf1a"

/home/opam: (run (shell "opam pin add -k version -yn irmin-chunk.3.11.0 3.11.0"))
irmin-chunk is now pinned to version 3.11.0
2025-06-22 15:09.56 ---> saved as "67a6def1e10ed3401f3284791c7a9409a55d36279c51d9e7a89a4a2e57939429"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall irmin-chunk.3.11.0;\
                        \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 \"\\\"debian-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'irmin-chunk.3.11.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
irmin-chunk.3.11.0 is not installed. Install it? [y/n] y
The following actions will be performed:
=== install 39 packages
  - install angstrom            0.16.1          [required by uri]
  - install astring             0.8.5           [required by irmin]
  - install base-bytes          base            [required by ocplib-endian]
  - install base64              3.5.1           [required by repr]
  - install bheap               2.0.0           [required by irmin]
  - install bigstringaf         0.10.0          [required by irmin]
  - install cppo                1.8.0           [required by lwt]
  - install csexp               1.5.2           [required by dune-configurator]
  - install digestif            1.3.0           [required by irmin]
  - install dune                3.19.1          [required by irmin-chunk]
  - install dune-configurator   3.19.1          [required by bigstringaf]
  - install either              1.0.0           [required by repr]
  - install eqaf                0.10            [required by digestif]
  - install fmt                 0.10.0          [required by irmin-chunk]
  - install irmin               3.11.0          [required by irmin-chunk]
  - install irmin-chunk         3.11.0 (pinned)
  - install jsonm               1.0.2           [required by irmin]
  - install logs                0.8.0           [required by irmin-chunk]
  - install lwt                 5.9.1           [required by irmin-chunk]
  - install mtime               2.1.0           [required by irmin]
  - install ocaml-compiler-libs v0.12.4         [required by ppxlib]
  - install ocaml-syntax-shims  1.0.0           [required by angstrom]
  - install ocamlbuild          0.16.1          [required by fmt]
  - install ocamlfind           1.9.8           [required by fmt]
  - install ocamlgraph          2.2.0           [required by irmin]
  - install ocplib-endian       1.2             [required by lwt]
  - install optint              0.3.0           [required by repr]
  - install ppx_derivers        1.2.1           [required by ppx_deriving]
  - install ppx_deriving        6.0.3           [required by ppx_repr]
  - install ppx_irmin           3.11.0          [required by irmin]
  - install ppx_repr            0.7.0           [required by ppx_irmin]
  - install ppxlib              0.35.0          [required by ppx_irmin]
  - install repr                0.7.0           [required by irmin]
  - install sexplib0            v0.16.0         [required by ppxlib]
  - install stdlib-shims        0.3.0           [required by ppxlib]
  - install stringext           1.6.0           [required by uri]
  - install topkg               1.0.8           [required by fmt]
  - install uri                 4.4.0           [required by irmin]
  - install uutf                1.0.4           [required by irmin]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved base64.3.5.1  (cached)
-> retrieved bheap.2.0.0  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved digestif.1.3.0  (cached)
-> retrieved dune.3.19.1, dune-configurator.3.19.1  (cached)
-> retrieved either.1.0.0  (cached)
-> retrieved eqaf.0.10  (cached)
-> retrieved fmt.0.10.0  (cached)
-> retrieved irmin.3.11.0, irmin-chunk.3.11.0, ppx_irmin.3.11.0  (cached)
-> retrieved jsonm.1.0.2  (cached)
-> retrieved logs.0.8.0  (cached)
-> retrieved lwt.5.9.1  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocamlgraph.2.2.0  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.0.3  (cached)
-> retrieved ppx_repr.0.7.0, repr.0.7.0  (cached)
-> retrieved ppxlib.0.35.0  (cached)
-> retrieved sexplib0.v0.16.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved stringext.1.6.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> retrieved uri.4.4.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed ocamlbuild.0.16.1
-> installed topkg.1.0.8
-> installed uutf.1.0.4
-> installed fmt.0.10.0
-> installed mtime.2.1.0
-> installed astring.0.8.5
-> installed jsonm.1.0.2
-> installed dune.3.19.1
-> installed bheap.2.0.0
-> installed csexp.1.5.2
-> installed base64.3.5.1
-> installed cppo.1.8.0
-> installed either.1.0.0
-> installed eqaf.0.10
-> installed ocaml-compiler-libs.v0.12.4
-> installed ocaml-syntax-shims.1.0.0
-> installed optint.0.3.0
-> installed ppx_derivers.1.2.1
-> installed sexplib0.v0.16.0
-> installed ocamlgraph.2.2.0
-> installed stdlib-shims.0.3.0
-> installed stringext.1.6.0
-> installed ocplib-endian.1.2
-> installed digestif.1.3.0
-> installed repr.0.7.0
-> installed dune-configurator.3.19.1
-> installed bigstringaf.0.10.0
-> installed angstrom.0.16.1
-> installed uri.4.4.0
-> installed lwt.5.9.1
-> installed logs.0.8.0
-> installed ppxlib.0.35.0
-> installed ppx_deriving.6.0.3
-> installed ppx_repr.0.7.0
-> installed ppx_irmin.3.11.0
-> installed irmin.3.11.0
-> installed irmin-chunk.3.11.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-06-22 15:10.44 ---> saved as "3315fda4d95800a3dc2a296815c7341c19d70a3919d7333441bf5ee6624bfd24"

/home/opam: (env OPAMCRITERIA +removed,+count[version-lag,solution])

/home/opam: (env OPAMFIXUPCRITERIA +removed,+count[version-lag,solution])

/home/opam: (env OPAMUPGRADECRITERIA +removed,+count[version-lag,solution])

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall irmin-chunk.3.11.0;\
                        \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 \"\\\"debian-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'irmin-chunk.3.11.0' && partial_fails=\"$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:
=== remove 3 packages
  - remove    angstrom                0.16.1                    [conflicts with dune]
  - remove    csexp                   1.5.2                     [conflicts with dune]
  - remove    ocaml-syntax-shims      1.0.0                     [conflicts with dune]
=== downgrade 26 packages
  - downgrade astring                 0.8.5 to 0.8.3            [uses ocamlbuild]
  - downgrade base64                  3.5.1 to 3.0.0            [uses dune]
  - downgrade bigstringaf             0.10.0 to 0.2.0           [upstream or system changes]
  - downgrade cppo                    1.8.0 to 1.6.1            [uses jbuilder]
  - downgrade digestif                1.3.0 to 0.9.0            [uses dune]
  - downgrade dune                    3.19.1 to 2.9.3           [required by irmin-chunk]
  - downgrade dune-configurator       3.19.1 to 2.5.1           [uses dune]
  - downgrade eqaf                    0.10 to 0.1               [uses jbuilder]
  - downgrade fmt                     0.10.0 to 0.8.8           [required by irmin-chunk]
  - downgrade logs                    0.8.0 to 0.7.0            [required by irmin-chunk]
  - downgrade lwt                     5.9.1 to 5.3.0            [required by irmin-chunk]
  - downgrade ocaml-compiler-libs     v0.12.4 to v0.11.0        [uses jbuilder]
  - downgrade ocamlbuild              0.16.1 to 0.14.0          [required by ocplib-endian]
  - downgrade ocamlfind               1.9.8 to 1.8.1            [required by ocplib-endian]
  - downgrade ocamlgraph              2.2.0 to 1.8.8            [uses ocamlfind]
  - downgrade ocplib-endian           1.2 to 1.0                [uses cppo]
  - downgrade ppx_derivers            1.2.1 to 1.0              [uses jbuilder]
  - downgrade ppx_deriving            6.0.3 to 4.4.1            [uses dune]
  - downgrade ppx_repr                0.7.0 to 0.6.0            [uses dune]
  - downgrade ppxlib                  0.35.0 to 0.12.0          [uses dune]
  - downgrade repr                    0.7.0 to 0.6.0            [uses dune]
  - downgrade sexplib0                v0.16.0 to v0.13.0        [uses dune]
  - downgrade stdlib-shims            0.3.0 to 0.1.0            [uses dune]
  - downgrade stringext               1.6.0 to 1.4.0            [uses ocamlbuild]
  - downgrade uri                     4.4.0 to 1.9.6            [uses jbuilder]
  - downgrade uutf                    1.0.4 to 1.0.3            [uses ocamlbuild]
=== recompile 9 packages
  - recompile base-bytes              base                      [uses ocamlfind]
  - recompile bheap                   2.0.0                     [uses dune]
  - recompile either                  1.0.0                     [uses dune]
  - recompile irmin                   3.11.0                    [uses dune]
  - recompile irmin-chunk             3.11.0 (pinned)
  - recompile jsonm                   1.0.2                     [uses ocamlbuild]
  - recompile optint                  0.3.0                     [uses dune]
  - recompile ppx_irmin               3.11.0                    [uses dune]
  - recompile topkg                   1.0.8                     [uses ocamlbuild]
=== install 17 packages
  - install   base                    v0.13.1                   [required by ppxlib]
  - install   bigarray-compat         1.0.0                     [required by digestif]
  - install   conf-m4                 1                         [required by ocamlfind]
  - install   dune-private-libs       2.5.1                     [required by dune-configurator]
  - install   jbuilder                1.0+beta20.1 (deprecated) [required by bigstringaf]
  - install   mmap                    1.1.0                     [required by lwt]
  - install   num                     1.5                       [required by sexplib]
  - install   ocaml-migrate-parsetree 1.5.0 (deprecated)        [required by ppx_deriving]
  - install   parsexp                 v0.13.0                   [required by sexplib]
  - install   ppx_sexp_conv           v0.13.0                   [required by uri]
  - install   ppx_tools               6.1+4.10.0                [required by ppx_deriving]
  - install   ppxfind                 1.1                       [required by ppx_deriving]
  - install   re                      1.3.0                     [required by uri]
  - install   result                  1.5                       [required by lwt]
  - install   seq                     0.3                       [required by lwt]
  - install   sexplib                 v0.13.0                   [required by uri]
  - install   stdio                   v0.13.0                   [required by ppxlib]

The following system packages will first need to be installed:
    m4

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package m4.
- (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 18747 files and directories currently installed.)
- Preparing to unpack .../archives/m4_1.4.19-3_amd64.deb ...
- Unpacking m4 (1.4.19-3) ...
- Setting up m4 (1.4.19-3) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.3  (cached)
-> retrieved base.v0.13.1  (cached)
-> retrieved base64.3.0.0  (cached)
-> retrieved bheap.2.0.0  (cached)
-> retrieved bigarray-compat.1.0.0  (cached)
-> retrieved bigstringaf.0.2.0  (cached)
-> retrieved cppo.1.6.1  (cached)
-> installed conf-m4.1
-> retrieved digestif.0.9.0  (cached)
-> retrieved dune.2.9.3  (cached)
-> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1  (cached)
-> retrieved either.1.0.0  (cached)
-> retrieved eqaf.0.1  (cached)
-> retrieved fmt.0.8.8  (cached)
-> retrieved irmin.3.11.0, irmin-chunk.3.11.0, ppx_irmin.3.11.0  (cached)
-> retrieved jbuilder.1.0+beta20.1  (cached)
-> retrieved jsonm.1.0.2  (cached)
-> retrieved logs.0.7.0  (cached)
-> retrieved lwt.5.3.0  (cached)
-> retrieved mmap.1.1.0  (cached)
-> retrieved num.1.5  (cached)
-> retrieved ocaml-compiler-libs.v0.11.0  (cached)
-> retrieved ocaml-migrate-parsetree.1.5.0  (cached)
-> retrieved ocamlbuild.0.14.0  (cached)
-> retrieved ocamlfind.1.8.1  (cached)
-> retrieved ocamlgraph.1.8.8  (cached)
-> retrieved ocplib-endian.1.0  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved parsexp.v0.13.0  (cached)
-> retrieved ppx_derivers.1.0  (cached)
-> retrieved ppx_deriving.4.4.1  (cached)
-> retrieved ppx_repr.0.6.0, repr.0.6.0  (cached)
-> retrieved ppx_sexp_conv.v0.13.0  (cached)
-> retrieved ppx_tools.6.1+4.10.0  (https://opam.ocaml.org/cache)
-> retrieved ppxfind.1.1  (cached)
-> retrieved ppxlib.0.12.0  (cached)
-> retrieved re.1.3.0  (cached)
-> retrieved result.1.5  (cached)
-> retrieved seq.0.3  (cached)
-> retrieved sexplib.v0.13.0  (cached)
-> retrieved sexplib0.v0.13.0  (cached)
-> retrieved stdio.v0.13.0  (cached)
-> retrieved stdlib-shims.0.1.0  (cached)
-> retrieved stringext.1.4.0  (cached)
-> retrieved topkg.1.0.8  (cached)
-> retrieved uri.1.9.6  (cached)
-> retrieved uutf.1.0.3  (cached)
-> installed num.1.5
-> removed   irmin-chunk.3.11.0
-> removed   irmin.3.11.0
-> removed   astring.0.8.5
-> removed   bheap.2.0.0
-> removed   digestif.1.3.0
-> removed   eqaf.0.10
-> removed   ocamlgraph.2.2.0
-> removed   ppx_irmin.3.11.0
-> removed   logs.0.8.0
-> removed   lwt.5.9.1
-> removed   ocplib-endian.1.2
-> removed   base-bytes.base
-> removed   ppx_repr.0.7.0
-> removed   ppx_deriving.6.0.3
-> removed   cppo.1.8.0
-> removed   ppxlib.0.35.0
-> removed   ocaml-compiler-libs.v0.12.4
-> removed   ppx_derivers.1.2.1
-> removed   repr.0.7.0
-> removed   base64.3.5.1
-> removed   either.1.0.0
-> removed   fmt.0.10.0
-> removed   jsonm.1.0.2
-> removed   optint.0.3.0
-> removed   sexplib0.v0.16.0
-> removed   stdlib-shims.0.3.0
-> removed   uri.4.4.0
-> removed   angstrom.0.16.1
-> removed   bigstringaf.0.10.0
-> removed   dune-configurator.3.19.1
-> removed   csexp.1.5.2
-> removed   ocaml-syntax-shims.1.0.0
-> removed   stringext.1.6.0
-> removed   dune.3.19.1
-> removed   uutf.1.0.4
-> removed   topkg.1.0.8
-> removed   ocamlbuild.0.16.1
-> removed   ocamlfind.1.9.8
-> installed dune.2.9.3
-> installed jbuilder.1.0+beta20.1
-> installed ocamlbuild.0.14.0
-> installed ocamlfind.1.8.1
-> installed base-bytes.base
-> installed bheap.2.0.0
-> installed bigarray-compat.1.0.0
-> installed bigstringaf.0.2.0
-> installed either.1.0.0
-> installed eqaf.0.1
-> installed mmap.1.1.0
-> installed ocaml-compiler-libs.v0.11.0
-> installed optint.0.3.0
-> installed ppx_derivers.1.0
-> installed result.1.5
-> installed seq.0.3
-> installed sexplib0.v0.13.0
-> installed stdlib-shims.0.1.0
-> installed base64.3.0.0
-> installed ppx_tools.6.1+4.10.0
-> installed cppo.1.6.1
-> installed digestif.0.9.0
-> installed dune-private-libs.2.5.1
-> installed dune-configurator.2.5.1
-> installed stringext.1.4.0
-> installed ocaml-migrate-parsetree.1.5.0
-> installed ocplib-endian.1.0
-> installed ocamlgraph.1.8.8
-> installed ppxfind.1.1
-> installed re.1.3.0
-> installed topkg.1.0.8
-> installed ppx_deriving.4.4.1
-> installed base.v0.13.1
-> installed uutf.1.0.3
-> installed lwt.5.3.0
-> installed stdio.v0.13.0
-> installed fmt.0.8.8
-> installed astring.0.8.3
-> installed parsexp.v0.13.0
-> installed jsonm.1.0.2
-> installed logs.0.7.0
-> installed sexplib.v0.13.0
-> installed repr.0.6.0
-> installed ppxlib.0.12.0
-> installed ppx_repr.0.6.0
-> installed ppx_sexp_conv.v0.13.0
-> installed uri.1.9.6
-> installed ppx_irmin.3.11.0
-> installed irmin.3.11.0
-> installed irmin-chunk.3.11.0
Done.

<><> ocaml-migrate-parsetree.1.5.0 installed successfully <><><><><><><><><><><>
=> Note: This package is deprecated.

<><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><>
=> Note: This package is deprecated.
# To update the current shell environment, run: eval $(opam env)
2025-06-22 15:11.36 ---> saved as "6e09e1dbd5cf56dae2d0ec49cf6b78767aef54afbf4163e266664058fb63930a"
Job succeeded
2025-06-22 15:11.42: Job succeeded