Build:
  1. 0
2026-02-26 17:31.26: New job: build matrix-eio.0.1.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29312/head (8c083980be49cd4fc405e80bab0aa50d6cebdaac)
                              on fedora-42-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29312/head" && git reset --hard 8c083980
git fetch origin master
git merge --no-edit 5119fbb0776fa3cd71b09f40a51e40f783c539bf
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:fedora-42-ocaml-5.4@sha256:58854f5a9bbe7510edae11bbf46a9a0ef7ca7758a29592225a79a473ee91855c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn matrix-eio.0.1.0 0.1.0
RUN opam reinstall matrix-eio.0.1.0; \
    res=$?; \
    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 "\"fedora-42\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'matrix-eio.0.1.0' && partial_fails="$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 .

2026-02-26 17:31.26: Using cache hint "ocaml/opam:fedora-42-ocaml-5.4@sha256:58854f5a9bbe7510edae11bbf46a9a0ef7ca7758a29592225a79a473ee91855c-matrix-eio.0.1.0-8c083980be49cd4fc405e80bab0aa50d6cebdaac"
2026-02-26 17:31.26: Using OBuilder spec:
((from ocaml/opam:fedora-42-ocaml-5.4@sha256:58854f5a9bbe7510edae11bbf46a9a0ef7ca7758a29592225a79a473ee91855c)
 (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 matrix-eio.0.1.0 0.1.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall matrix-eio.0.1.0;\
             \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 \"\\\"fedora-42\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'matrix-eio.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-26 17:31.26: Waiting for resource in pool OCluster
2026-02-27 02:10.27: Waiting for worker…
2026-02-27 02:12.27: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
HEAD is now at 5119fbb077 Merge pull request #29462 from Octachron/OCaml_5.5.0_alpha1
Updating 5119fbb077..8c083980be
Fast-forward
 packages/matrix-eio/matrix-eio.0.1.0/opam   | 42 ++++++++++++++++++++++++++
 packages/matrix/matrix.0.1.0/opam           | 42 ++++++++++++++++++++++++++
 packages/mosaic/mosaic.0.1.0/opam           | 46 +++++++++++++++++++++++++++++
 packages/toffee/toffee.0.1.0/opam           | 42 ++++++++++++++++++++++++++
 packages/tree-sitter/tree-sitter.0.1.0/opam | 41 +++++++++++++++++++++++++
 5 files changed, 213 insertions(+)
 create mode 100644 packages/matrix-eio/matrix-eio.0.1.0/opam
 create mode 100644 packages/matrix/matrix.0.1.0/opam
 create mode 100644 packages/mosaic/mosaic.0.1.0/opam
 create mode 100644 packages/toffee/toffee.0.1.0/opam
 create mode 100644 packages/tree-sitter/tree-sitter.0.1.0/opam

(from ocaml/opam:fedora-42-ocaml-5.4@sha256:58854f5a9bbe7510edae11bbf46a9a0ef7ca7758a29592225a79a473ee91855c)
2026-02-27 02:13.01 ---> using "9e7e269291cfbae7a41f7dfb44a242938c8195461d7fa17694399e71f8e2fa78" 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 02:13.01 ---> using "2c84d4ea5396b82dc810c61d296b826214804f9347b92e2161e9da256379a5d2" 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
[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
2026-02-27 02:13.01 ---> using "943b4261c0479e4688fa73713b63c0de457bae92ef312371b1010523af554890" 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=fedora os-version=42
# 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 02:13.01 ---> using "0fe34dd9a9db9dca76ac4456abed41b69119b0186026829f097764d6a6dd78f9" 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 02:13.01 ---> using "3869d18a6cee49d87d216155ba418ca4bb51404883b2ecb252e6140de11b5372" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-27 02:13.05 ---> saved as "650a7aeca90ab89c2f6b42c76d684a214f99de01f906bd5a64bc959c95d66363"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-27 02:13.21 ---> saved as "3867bec96a0c4198160b9309a0ee89d813b7a7dc9a03668c661307380c52613b"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "yum" "makecache"
- Updating and loading repositories:
-  Fedora 42 - x86_64 - Updates           100% |  37.1 KiB/s |  15.5 KiB |  00m00s
- Repositories loaded.
- Metadata cache created.
2026-02-27 02:13.24 ---> saved as "7c0cfc9a429922e6da69c613cb1f932eae7746f106a5b827136cff12cf3486be"

/home/opam: (run (shell "opam pin add -k version -yn matrix-eio.0.1.0 0.1.0"))
matrix-eio is now pinned to version 0.1.0
2026-02-27 02:13.24 ---> saved as "cf5ceb0bf3a7fb5e901d0de18d6d29340cd55baf9b87d8a0f6ccc049389d46c0"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall matrix-eio.0.1.0;\
                        \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 \"\\\"fedora-42\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'matrix-eio.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
matrix-eio.0.1.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 20 packages
  - install bigstringaf        0.10.0         [required by eio]
  - install csexp              1.5.2          [required by dune-configurator]
  - install cstruct            6.2.0          [required by eio]
  - install domain-local-await 1.0.1          [required by eio]
  - install dune               3.21.1         [required by matrix-eio]
  - install dune-configurator  3.21.1         [required by bigstringaf]
  - install eio                1.3            [required by matrix-eio]
  - install fmt                0.11.0         [required by eio]
  - install hmap               0.8.1          [required by eio]
  - install lwt-dllist         1.1.0          [required by eio]
  - install matrix             0.1.0          [required by matrix-eio]
  - install matrix-eio         0.1.0 (pinned)
  - install mtime              2.1.0          [required by eio]
  - install ocamlbuild         0.16.1         [required by hmap, mtime]
  - install ocamlfind          1.9.8          [required by hmap, mtime]
  - install optint             0.3.0          [required by eio]
  - install psq                0.2.1          [required by eio]
  - install seq                base           [required by psq]
  - install thread-table       1.0.0          [required by domain-local-await]
  - install topkg              1.1.1          [required by hmap, mtime]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved cstruct.6.2.0  (cached)
-> retrieved domain-local-await.1.0.1  (cached)
-> retrieved dune.3.21.1, dune-configurator.3.21.1  (cached)
-> retrieved eio.1.3  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved hmap.0.8.1  (cached)
-> retrieved lwt-dllist.1.1.0  (cached)
-> retrieved matrix.0.1.0, matrix-eio.0.1.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved psq.0.2.1  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved thread-table.1.0.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed hmap.0.8.1
-> installed fmt.0.11.0
-> installed mtime.2.1.0
-> installed dune.3.21.1
-> installed csexp.1.5.2
-> installed cstruct.6.2.0
-> installed lwt-dllist.1.1.0
-> installed optint.0.3.0
-> installed psq.0.2.1
-> installed thread-table.1.0.0
-> installed domain-local-await.1.0.1
-> installed matrix.0.1.0
-> installed dune-configurator.3.21.1
-> installed bigstringaf.0.10.0
-> installed eio.1.3
-> installed matrix-eio.0.1.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-27 02:13.55 ---> saved as "22b044254a74cc28714b8a52fc0b870da654e4b651c128627987a298ba23303a"
Job succeeded
2026-02-27 02:14.00: Job succeeded