(not at the head of any monitored branch or PR)
2026-03-10 08:59.48: New job: test lwt_eio.0.5, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29530/head (3af7d0a25910b3d20c909e559efb484eb6a78128)
                              on archlinux-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29530/head" && git reset --hard 3af7d0a2
git fetch origin master
git merge --no-edit 3c70647a78a7fd22066fca4f17f7ca4514500663
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:archlinux-ocaml-5.4@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_eio.0.5 0.5
RUN opam reinstall lwt_eio.0.5; \
    res=$?; \
    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 "\"archlinux\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_eio.0.5' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test lwt_eio.0.5) || true
RUN opam reinstall --with-test --verbose lwt_eio.0.5; \
    res=$?; \
    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 "\"archlinux\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_eio.0.5' && partial_fails="$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 .

2026-03-10 08:59.48: Using cache hint "ocaml/opam:archlinux-ocaml-5.4@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151-lwt_eio.0.5-3af7d0a25910b3d20c909e559efb484eb6a78128"
2026-03-10 08:59.48: Using OBuilder spec:
((from ocaml/opam:archlinux-ocaml-5.4@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151)
 (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 lwt_eio.0.5 0.5"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_eio.0.5;\
             \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 \"\\\"archlinux\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test lwt_eio.0.5) || true"))
 (run (shell  "opam reinstall --with-test --verbose lwt_eio.0.5;\
             \n        res=$?;\
             \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 \"\\\"archlinux\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-10 08:59.48: Waiting for resource in pool OCluster
2026-03-10 09:35.32: Waiting for worker…
2026-03-10 09:36.57: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 3c70647a78 Merge pull request #29507 from NathanReb/release-ppxlib-0-38-0-5-5-preview
Updating 3c70647a78..3af7d0a259
Fast-forward
 packages/bimage-lwt/bimage-lwt.0.3.0/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.3.1/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.4.0/opam    | 6 +++++-
 packages/caqti-lwt/caqti-lwt.0.11.0/opam     | 4 +++-
 packages/caqti-lwt/caqti-lwt.1.0.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.2.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.3.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.6.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.7.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.8.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.9.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.0.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.1.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.2.4/opam      | 6 +++++-
 packages/fuseau-lwt/fuseau-lwt.0.1/opam      | 6 +++++-
 packages/lambda-term/lambda-term.1.13/opam   | 6 +++++-
 packages/lambda-term/lambda-term.2.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.2/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.3/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0/opam    | 6 +++++-
 packages/lambda-term/lambda-term.3.0.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.1.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.2.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.2/opam  | 6 +++++-
 packages/lwt_domain/lwt_domain.0.1.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.2.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.3.0/opam    | 6 +++++-
 packages/lwt_eio/lwt_eio.0.1/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.2/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.3/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.4/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5.1/opam          | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5/opam            | 6 +++++-
 packages/lwt_glib/lwt_glib.1.0.1/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.0/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.1/opam        | 6 +++++-
 packages/lwt_log/lwt_log.1.1.0/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.1/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.4/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.3/opam          | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.10/opam | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.6/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.7/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.8/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.9/opam  | 6 +++++-
 packages/mwt/mwt.0.1.0/opam                  | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-1/opam      | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-2/opam      | 6 +++++-
 packages/ocluster/ocluster.0.1/opam          | 4 +++-
 packages/ocluster/ocluster.0.2.1/opam        | 6 +++++-
 packages/ocluster/ocluster.0.2/opam          | 4 +++-
 packages/ocluster/ocluster.0.3.0/opam        | 6 +++++-
 packages/picos/picos.0.3.0/opam              | 6 +++++-
 packages/picos/picos.0.4.0/opam              | 6 +++++-
 packages/picos_lwt/picos_lwt.0.5.0/opam      | 6 +++++-
 packages/picos_lwt/picos_lwt.0.6.0/opam      | 6 +++++-
 packages/tezt/tezt.2.0.0/opam                | 6 +++++-
 packages/tezt/tezt.3.0.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.1/opam                | 4 +++-
 packages/tezt/tezt.4.0.0/opam                | 4 +++-
 packages/tezt/tezt.4.1.0/opam                | 4 +++-
 packages/tezt/tezt.4.2.0/opam                | 4 +++-
 packages/tezt/tezt.4.3.0/opam                | 4 +++-
 84 files changed, 400 insertions(+), 84 deletions(-)

(from ocaml/opam:archlinux-ocaml-5.4@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151)
Unable to find image 'ocaml/opam:archlinux-ocaml-5.4@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151' locally
docker.io/ocaml/opam@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151: Pulling from ocaml/opam
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Digest: sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151
Status: Downloaded newer image for ocaml/opam@sha256:016d39bea6aa61ab2a80784d38d91d47199e3e3dc0fe1e007733bad430587151
2026-03-10 09:40.40 ---> saved as "983fb8fa27cec9a4a5d43f665c1205c6ea6e68ba17ec6c9143d76637febb22cc"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-10 09:40.40 ---> saved as "25752ddc5975f6e8996b264e3a3ca1fa7f145be5805ebd9514e16cb6aedde127"

/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
2026-03-10 09:41.02 ---> saved as "d478ddf269bcf3535bded5e1daaace87d3f4b9d7de5f55a5b08e209b0fdca5d6"

/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=arch os-version=20260301.0.494762
# 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
2026-03-10 09:41.03 ---> saved as "80b77dd44a92f7fb0130b934f34e0452f08989f0d0aa28c9d38f7ed342b7e091"

/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/"))
2026-03-10 09:41.30 ---> saved as "1a9b8ae6fcd1519c9165b7da2355952b637f11a47032131c1c34a8be2f2d6ad5"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-10 09:41.44 ---> saved as "2be1f8f87db7b246be857d0efd4cdf725952fed44628a8f4d946732e016e338c"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-10 09:42.02 ---> saved as "53cc52dd711676626d5fc28b0d6da95e017e9109d6b91541ea2340c9bcce765f"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "pacman" "-Sy"
- :: Synchronizing package databases...
-  core downloading...
-  extra downloading...
2026-03-10 09:42.03 ---> saved as "909495eb087a7e177b4d342f3782f83be007daba38344791bdc2235912ed76dc"

/home/opam: (run (shell "opam pin add -k version -yn lwt_eio.0.5 0.5"))
lwt_eio is now pinned to version 0.5
2026-03-10 09:42.04 ---> saved as "e92e2cfa3c2ecefe58f221ce75b429bb7225f3144892e3d190d0550a345b110c"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_eio.0.5;\
                        \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 \"\\\"archlinux\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_eio.0.5 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 23 packages
  ∗ base-bytes         base         [required by ocplib-endian]
  ∗ bigstringaf        0.10.0       [required by eio]
  ∗ cppo               1.8.0        [required by lwt]
  ∗ csexp              1.5.2        [required by dune-configurator]
  ∗ cstruct            6.2.0        [required by eio]
  ∗ domain-local-await 1.0.1        [required by eio]
  ∗ dune               3.21.1       [required by lwt_eio]
  ∗ dune-configurator  3.21.1       [required by lwt]
  ∗ eio                1.3          [required by lwt_eio]
  ∗ fmt                0.11.0       [required by eio]
  ∗ hmap               0.8.1        [required by eio]
  ∗ lwt                6.0.0        [required by lwt_eio]
  ∗ lwt-dllist         1.1.0        [required by eio]
  ∗ lwt_eio            0.5 (pinned)
  ∗ mtime              2.1.0        [required by eio]
  ∗ ocamlbuild         0.16.1       [required by hmap, mtime]
  ∗ ocamlfind          1.9.8        [required by hmap, mtime]
  ∗ ocplib-endian      1.2          [required by lwt]
  ∗ optint             0.3.0        [required by eio]
  ∗ psq                0.2.1        [required by eio]
  ∗ seq                base         [required by psq]
  ∗ thread-table       1.0.0        [required by domain-local-await]
  ∗ topkg              1.1.1        [required by hmap, mtime]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved bigstringaf.0.10.0  (cached)
⬇ retrieved cppo.1.8.0  (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.6.0.0  (cached)
⬇ retrieved lwt-dllist.1.1.0  (cached)
⬇ retrieved lwt_eio.0.5  (cached)
⬇ retrieved mtime.2.1.0  (cached)
⬇ retrieved ocamlbuild.0.16.1  (cached)
⬇ retrieved ocamlfind.1.9.8  (cached)
⬇ retrieved ocplib-endian.1.2  (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 base-bytes.base
∗ 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 lwt-dllist.1.1.0
∗ installed csexp.1.5.2
∗ installed cppo.1.8.0
∗ installed cstruct.6.2.0
∗ installed optint.0.3.0
∗ installed psq.0.2.1
∗ installed thread-table.1.0.0
∗ installed ocplib-endian.1.2
∗ installed domain-local-await.1.0.1
∗ installed dune-configurator.3.21.1
∗ installed bigstringaf.0.10.0
∗ installed eio.1.3
∗ installed lwt.6.0.0
∗ installed lwt_eio.0.5
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-10 09:42.43 ---> saved as "996634a8cadd7923d92de7cca839b5a612c1497aed74580a5de5fc47508d9d59"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test lwt_eio.0.5) || true"))
The following actions will be performed:
=== downgrade 1 package
  ↘ eio           1.3 to 0.12  [required by lwt_eio]
=== recompile 3 packages
  ↻ cstruct       6.2.0        [uses fmt]
  ↻ fmt           0.11.0       [uses cmdliner]
  ↻ lwt_eio       0.5 (pinned)
=== install 13 packages
  ∗ astring       0.8.5        [required by mdx]
  ∗ camlp-streams 5.0.1        [required by mdx]
  ∗ cmdliner      2.1.0        [required by mdx]
  ∗ eio_linux     0.12         [required by eio_main]
  ∗ eio_main      0.12         [required by lwt_eio]
  ∗ eio_posix     0.12         [required by eio_main]
  ∗ iomux         0.4          [required by eio_posix]
  ∗ logs          0.10.0       [required by mdx]
  ∗ mdx           2.5.1        [required by lwt_eio]
  ∗ ocaml-version 4.0.3        [required by mdx]
  ∗ re            1.14.0       [required by mdx]
  ∗ result        1.5          [required by mdx]
  ∗ uring         2.7.0        [required by eio_linux]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved astring.0.8.5  (https://opam.ocaml.org/cache)
⬇ retrieved camlp-streams.5.0.1  (https://opam.ocaml.org/cache)
⬇ retrieved cmdliner.2.1.0  (https://opam.ocaml.org/cache)
∗ installed camlp-streams.5.0.1
⬇ retrieved cstruct.6.2.0  (https://opam.ocaml.org/cache)
⬇ retrieved eio.0.12, eio_linux.0.12, eio_main.0.12, eio_posix.0.12  (https://opam.ocaml.org/cache)
⬇ retrieved fmt.0.11.0  (https://opam.ocaml.org/cache)
⬇ retrieved iomux.0.4  (https://opam.ocaml.org/cache)
⬇ retrieved logs.0.10.0  (https://opam.ocaml.org/cache)
⬇ retrieved mdx.2.5.1  (https://opam.ocaml.org/cache)
∗ installed astring.0.8.5
∗ installed iomux.0.4
⬇ retrieved ocaml-version.4.0.3  (https://opam.ocaml.org/cache)
⬇ retrieved re.1.14.0  (https://opam.ocaml.org/cache)
⬇ retrieved result.1.5  (https://opam.ocaml.org/cache)
∗ installed ocaml-version.4.0.3
⬇ retrieved uring.2.7.0  (https://opam.ocaml.org/cache)
∗ installed result.1.5
∗ installed re.1.14.0
⊘ removed   lwt_eio.0.5
⊘ removed   eio.1.3
⊘ removed   cstruct.6.2.0
⊘ removed   fmt.0.11.0
∗ installed cmdliner.2.1.0
∗ installed fmt.0.11.0
∗ installed cstruct.6.2.0
∗ installed logs.0.10.0
∗ installed eio.0.12
∗ installed uring.2.7.0
∗ installed eio_posix.0.12
∗ installed mdx.2.5.1
∗ installed eio_linux.0.12
∗ installed eio_main.0.12
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".

#=== ERROR while compiling lwt_eio.0.5 ========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | pinned(https://github.com/ocaml-multicore/lwt_eio/releases/download/v0.5/lwt_eio-0.5.tbz)
# path                 ~/.opam/5.4/.opam-switch/build/lwt_eio.0.5
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p lwt_eio -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/lwt_eio-7-dacdf7.env
# output-file          ~/.opam/log/lwt_eio-7-dacdf7.out
### output ###
# File "test/test.md", line 1, characters 0-0:
# /usr/sbin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
# diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
# index 7a9272f..ac6774e 100644
# --- a/_build/default/test/test.md
# +++ b/_build/default/test/.mdx/test.md.corrected
# @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
#      );;
#  +eio: i = 1
#  +  lwt: i = 1
# -+  lwt: i = 2
#  +eio: i = 2
# -+  lwt: i = 3
# ++  lwt: i = 2
#  +eio: i = 3
# -+  lwt: i = 4
# ++  lwt: i = 3
#  +eio: i = 4
# -+  lwt: i = 5
# ++  lwt: i = 4
#  +eio: i = 5
# -+  lwt: i = 6
# ++  lwt: i = 5
#  +eio: i = 6
# -+  lwt: i = 7
# ++  lwt: i = 6
#  +eio: i = 7
# -+  lwt: i = 8
# ++  lwt: i = 7
#  +eio: i = 8
# ++  lwt: i = 8
#  - : unit = ()
#  ```
#  



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build lwt_eio 0.5
└─ 
┌─ The following changes have been performed
│ ⊘ remove    lwt_eio       0.5
│ ↘ downgrade eio           1.3 to 0.12
│ ↻ recompile cstruct       6.2.0
│ ↻ recompile fmt           0.11.0
│ ∗ install   astring       0.8.5
│ ∗ install   camlp-streams 5.0.1
│ ∗ install   cmdliner      2.1.0
│ ∗ install   eio_linux     0.12
│ ∗ install   eio_main      0.12
│ ∗ install   eio_posix     0.12
│ ∗ install   iomux         0.4
│ ∗ install   logs          0.10.0
│ ∗ install   mdx           2.5.1
│ ∗ install   ocaml-version 4.0.3
│ ∗ install   re            1.14.0
│ ∗ install   result        1.5
│ ∗ install   uring         2.7.0
└─ 
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/5.4/.opam-switch/backup/state-20260310094243.export"
Or you can retry to install your package selection with:
    /usr/bin/opam install --restore
2026-03-10 09:43.03 ---> saved as "182c9f88e1999bcc219bb83a34c0e162744ed3ea0bf967e9075b254b942ab746"

/home/opam: (run (shell  "opam reinstall --with-test --verbose lwt_eio.0.5;\
                        \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 \"\\\"archlinux\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_eio.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_eio.0.5 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  ∗ lwt_eio 0.5 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/3: [lwt_eio: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "lwt_eio" "-j" "255" "@install" "@runtest" (CWD=/home/opam/.opam/5.4/.opam-switch/build/lwt_eio.0.5)
- File "test/test.md", line 1, characters 0-0:
- /usr/sbin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
- diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
- index 7a9272f..ac6774e 100644
- --- a/_build/default/test/test.md
- +++ b/_build/default/test/.mdx/test.md.corrected
- @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
-      );;
-  +eio: i = 1
-  +  lwt: i = 1
- -+  lwt: i = 2
-  +eio: i = 2
- -+  lwt: i = 3
- ++  lwt: i = 2
-  +eio: i = 3
- -+  lwt: i = 4
- ++  lwt: i = 3
-  +eio: i = 4
- -+  lwt: i = 5
- ++  lwt: i = 4
-  +eio: i = 5
- -+  lwt: i = 6
- ++  lwt: i = 5
-  +eio: i = 6
- -+  lwt: i = 7
- ++  lwt: i = 6
-  +eio: i = 7
- -+  lwt: i = 8
- ++  lwt: i = 7
-  +eio: i = 8
- ++  lwt: i = 8
-  - : unit = ()
-  ```
-  
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".

#=== ERROR while compiling lwt_eio.0.5 ========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | pinned(https://github.com/ocaml-multicore/lwt_eio/releases/download/v0.5/lwt_eio-0.5.tbz)
# path                 ~/.opam/5.4/.opam-switch/build/lwt_eio.0.5
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p lwt_eio -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/lwt_eio-7-e6ac8f.env
# output-file          ~/.opam/log/lwt_eio-7-e6ac8f.out
### output ###
# File "test/test.md", line 1, characters 0-0:
# /usr/sbin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected
# diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected
# index 7a9272f..ac6774e 100644
# --- a/_build/default/test/test.md
# +++ b/_build/default/test/.mdx/test.md.corrected
# @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other:
#      );;
#  +eio: i = 1
#  +  lwt: i = 1
# -+  lwt: i = 2
#  +eio: i = 2
# -+  lwt: i = 3
# ++  lwt: i = 2
#  +eio: i = 3
# -+  lwt: i = 4
# ++  lwt: i = 3
#  +eio: i = 4
# -+  lwt: i = 5
# ++  lwt: i = 4
#  +eio: i = 5
# -+  lwt: i = 6
# ++  lwt: i = 5
#  +eio: i = 6
# -+  lwt: i = 7
# ++  lwt: i = 6
#  +eio: i = 7
# -+  lwt: i = 8
# ++  lwt: i = 7
#  +eio: i = 8
# ++  lwt: i = 8
#  - : unit = ()
#  ```
#  



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build lwt_eio 0.5
└─ 
╶─ No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'opam reinstall --with-test --verbose lwt_eio.0.5' failed.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose lwt_eio.0.5;
        res=$?;
        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 "\"archlinux\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lwt_eio.0.5' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-10 09:43.16: Job failed: Failed: Build failed
2026-03-10 09:43.16: Log analysis:
2026-03-10 09:43.16: >>> 
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".
 (score = 20)
2026-03-10 09:43.16: >>> 
[ERROR] The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".
 (score = 20)
2026-03-10 09:43.16: The compilation of lwt_eio.0.5 failed at "dune build -p lwt_eio -j 255 @install @runtest".