(not at the head of any monitored branch or PR)
2026-03-16 19:15.29: New job: test uring.0.1 with dune-configurator.3.22.0~alpha2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29547/head (19c70fd6a788b154ec5e9fe26bca1d12fb2519be)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29547/head" && git reset --hard 19c70fd6
git fetch origin master
git merge --no-edit 4f056bfedf536e66065c3783e694e6aa0b38261a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn dune-configurator.3.22.0~alpha2 3.22.0~alpha2
RUN opam reinstall dune-configurator.3.22.0~alpha2; \
    res=$?; \
    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 "$pkg" != 'dune-configurator.3.22.0~alpha2' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall uring.0.1; \
    res=$?; \
    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 "$pkg" != 'uring.0.1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test uring.0.1) || true
RUN opam reinstall --with-test --verbose uring.0.1; \
    res=$?; \
    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 "$pkg" != 'uring.0.1' && partial_fails="$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 .

2026-03-16 19:15.29: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e-dune-configurator.3.22.0~alpha2-uring.0.1-19c70fd6a788b154ec5e9fe26bca1d12fb2519be"
2026-03-16 19:15.29: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
 (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 dune-configurator.3.22.0~alpha2 3.22.0~alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall dune-configurator.3.22.0~alpha2;\
             \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 \"$pkg\" != 'dune-configurator.3.22.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall uring.0.1;\
             \n        res=$?;\
             \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 \"$pkg\" != 'uring.0.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test uring.0.1) || true"))
 (run (shell  "opam reinstall --with-test --verbose uring.0.1;\
             \n        res=$?;\
             \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 \"$pkg\" != 'uring.0.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-16 19:15.29: Waiting for resource in pool OCluster
2026-03-17 00:25.30: Waiting for worker…
2026-03-17 00:30.14: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
Updating files:  81% (15063/18461)
Updating files:  82% (15139/18461)
Updating files:  83% (15323/18461)
Updating files:  84% (15508/18461)
Updating files:  85% (15692/18461)
Updating files:  86% (15877/18461)
Updating files:  87% (16062/18461)
Updating files:  88% (16246/18461)
Updating files:  89% (16431/18461)
Updating files:  90% (16615/18461)
Updating files:  91% (16800/18461)
Updating files:  92% (16985/18461)
Updating files:  93% (17169/18461)
Updating files:  94% (17354/18461)
Updating files:  95% (17538/18461)
Updating files:  96% (17723/18461)
Updating files:  97% (17908/18461)
Updating files:  98% (18092/18461)
Updating files:  99% (18277/18461)
Updating files: 100% (18461/18461)
Updating files: 100% (18461/18461), done.
HEAD is now at 4f056bfedf Merge pull request #29543 from Zaneham/add-olint-0.1.0
Updating 4f056bfedf..19c70fd6a7
Fast-forward
 .../chrome-trace/chrome-trace.3.22.0~alpha2/opam   | 39 +++++++++++
 .../dune-action-plugin.3.22.0~alpha2/opam          | 52 +++++++++++++++
 .../dune-action-trace.3.22.0~alpha2/opam           | 39 +++++++++++
 .../dune-build-info.3.22.0~alpha2/opam             | 45 +++++++++++++
 .../dune-configurator.3.22.0~alpha2/opam           | 49 ++++++++++++++
 packages/dune-glob/dune-glob.3.22.0~alpha2/opam    | 42 ++++++++++++
 .../dune-private-libs.3.22.0~alpha2/opam           | 50 +++++++++++++++
 .../dune-rpc-lwt/dune-rpc-lwt.3.22.0~alpha2/opam   | 41 ++++++++++++
 packages/dune-rpc/dune-rpc.3.22.0~alpha2/opam      | 44 +++++++++++++
 packages/dune-site/dune-site.3.22.0~alpha2/opam    | 37 +++++++++++
 packages/dune/dune.3.22.0~alpha2/opam              | 75 ++++++++++++++++++++++
 packages/dyn/dyn.3.22.0~alpha2/opam                | 40 ++++++++++++
 packages/fs-io/fs-io.3.22.0~alpha2/opam            | 39 +++++++++++
 packages/ocamlc-loc/ocamlc-loc.3.22.0~alpha2/opam  | 43 +++++++++++++
 packages/ordering/ordering.3.22.0~alpha2/opam      | 38 +++++++++++
 packages/stdune/stdune.3.22.0~alpha2/opam          | 46 +++++++++++++
 .../top-closure/top-closure.3.22.0~alpha2/opam     | 38 +++++++++++
 packages/xdg/xdg.3.22.0~alpha2/opam                | 39 +++++++++++
 18 files changed, 796 insertions(+)
 create mode 100644 packages/chrome-trace/chrome-trace.3.22.0~alpha2/opam
 create mode 100644 packages/dune-action-plugin/dune-action-plugin.3.22.0~alpha2/opam
 create mode 100644 packages/dune-action-trace/dune-action-trace.3.22.0~alpha2/opam
 create mode 100644 packages/dune-build-info/dune-build-info.3.22.0~alpha2/opam
 create mode 100644 packages/dune-configurator/dune-configurator.3.22.0~alpha2/opam
 create mode 100644 packages/dune-glob/dune-glob.3.22.0~alpha2/opam
 create mode 100644 packages/dune-private-libs/dune-private-libs.3.22.0~alpha2/opam
 create mode 100644 packages/dune-rpc-lwt/dune-rpc-lwt.3.22.0~alpha2/opam
 create mode 100644 packages/dune-rpc/dune-rpc.3.22.0~alpha2/opam
 create mode 100644 packages/dune-site/dune-site.3.22.0~alpha2/opam
 create mode 100644 packages/dune/dune.3.22.0~alpha2/opam
 create mode 100644 packages/dyn/dyn.3.22.0~alpha2/opam
 create mode 100644 packages/fs-io/fs-io.3.22.0~alpha2/opam
 create mode 100644 packages/ocamlc-loc/ocamlc-loc.3.22.0~alpha2/opam
 create mode 100644 packages/ordering/ordering.3.22.0~alpha2/opam
 create mode 100644 packages/stdune/stdune.3.22.0~alpha2/opam
 create mode 100644 packages/top-closure/top-closure.3.22.0~alpha2/opam
 create mode 100644 packages/xdg/xdg.3.22.0~alpha2/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
2026-03-17 00:44.39 ---> using "32cd5b5baf995c02200cf270da597dbb25becd220af2c200c00b8b241a742195" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-17 00:44.39 ---> using "f3ed7bdbef828c9c0b079b10505c5f05c3c9adcca11ce5bf2dac2a4183e099d8" 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
2026-03-17 00:44.39 ---> using "5bf6adb7b45bb7e0c215b8f509c71a8dae73a9a2060efcc27df9d4ef6c6d3350" 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=debian os-version=13
# 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       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.2"}]
# compiler-packages    ocaml-base-compiler.4.14.2, ocaml-options-vanilla.1
# 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
2026-03-17 00:44.39 ---> using "0546f18fa5979677ee22eb9f2fcf19ab371564e845d317c2c70e41dd97dc22dd" 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/"))
2026-03-17 00:44.39 ---> using "0a7188cbe95f4fe0ff26694977eb8794c975bdb534078da98a06d6c7373289b4" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-17 00:44.40 ---> using "bac94271bd2933048ab9ec083de7359406ae7b709f9e625d1aacde394e5b6b85" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-17 00:44.40 ---> using "1963dd823dac22306d550e5e9c9f971346ae5d465407ab924aff86b04a5120b3" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]
- 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 trixie/main amd64 Packages [9671 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [111 kB]
- Fetched 10.0 MB in 1s (10.8 MB/s)
- Reading package lists...
- 
2026-03-17 00:44.40 ---> using "2bbae9754f2da55382df5a713573b4f2579b518f80eaef97920d7868fdc429fa" from cache

/home/opam: (run (shell "opam pin add -k version -yn dune-configurator.3.22.0~alpha2 3.22.0~alpha2"))
dune-configurator is now pinned to version 3.22.0~alpha2
2026-03-17 00:44.40 ---> using "f8e40a83da9892aad73dee81865c4f15b894fd506ea93a49d392900925751de3" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall dune-configurator.3.22.0~alpha2;\
                        \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 \"$pkg\" != 'dune-configurator.3.22.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
dune-configurator.3.22.0~alpha2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 3 packages
  - install csexp             1.5.2                  [required by dune-configurator]
  - install dune              3.22.0~alpha2          [required by dune-configurator]
  - install dune-configurator 3.22.0~alpha2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.22.0~alpha2, dune-configurator.3.22.0~alpha2  (cached)
-> installed dune.3.22.0~alpha2
-> installed csexp.1.5.2
-> installed dune-configurator.3.22.0~alpha2
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-17 00:44.40 ---> using "67b904f2d73d6788680639795bd2fb0e77bfc952d186028cfe5ace97eb311540" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall uring.0.1;\
                        \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 \"$pkg\" != 'uring.0.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
uring.0.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 9 packages
  - install bigstringaf 0.10.0 [required by uring]
  - install cmdliner    2.1.0  [required by uring]
  - install cstruct     6.2.0  [required by uring]
  - install fmt         0.11.0 [required by uring]
  - install ocamlbuild  0.16.1 [required by fmt]
  - install ocamlfind   1.9.8  [required by fmt]
  - install optint      0.3.0  [required by uring]
  - install topkg       1.1.1  [required by fmt]
  - install uring       0.1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved cstruct.6.2.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved optint.0.3.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uring.0.1  (cached)
-> installed bigstringaf.0.10.0
-> installed optint.0.3.0
-> installed ocamlfind.1.9.8
-> installed cmdliner.2.1.0
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed fmt.0.11.0
-> installed cstruct.6.2.0
-> installed uring.0.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-17 00:44.56 ---> saved as "12519ef930f42bf9767931fca8e099206bf70e73ac9448e27896278827cea25d"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test uring.0.1) || true"))
The following actions will be performed:
=== recompile 1 package
  - recompile uring              0.1
=== install 17 packages
  - install   alcotest           1.9.1  [required by uring]
  - install   astring            0.8.5  [required by alcotest, bos]
  - install   base-bytes         base   [required by ocplib-endian]
  - install   bechamel           0.5.0  [required by uring]
  - install   bechamel-notty     0.5.0  [required by uring]
  - install   bos                0.2.1  [required by uring]
  - install   cppo               1.8.0  [required by notty]
  - install   fpath              0.7.3  [required by bos]
  - install   logs               0.10.0 [required by uring]
  - install   lwt                6.1.1  [required by uring]
  - install   notty              0.2.3  [required by uring]
  - install   ocaml-syntax-shims 1.0.0  [required by alcotest]
  - install   ocplib-endian      1.2    [required by lwt]
  - install   re                 1.14.0 [required by alcotest]
  - install   rresult            0.7.0  [required by bos]
  - install   stdlib-shims       0.3.0  [required by alcotest]
  - install   uutf               1.0.4  [required by alcotest]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved alcotest.1.9.1  (https://opam.ocaml.org/cache)
-> retrieved astring.0.8.5  (https://opam.ocaml.org/cache)
-> installed base-bytes.base
-> retrieved bechamel.0.5.0, bechamel-notty.0.5.0  (https://opam.ocaml.org/cache)
-> retrieved bos.0.2.1  (https://opam.ocaml.org/cache)
-> retrieved cppo.1.8.0  (https://opam.ocaml.org/cache)
-> retrieved fpath.0.7.3  (https://opam.ocaml.org/cache)
-> retrieved logs.0.10.0  (https://opam.ocaml.org/cache)
-> retrieved lwt.6.1.1  (https://opam.ocaml.org/cache)
-> installed bechamel.0.5.0
-> retrieved notty.0.2.3  (https://opam.ocaml.org/cache)
-> retrieved ocaml-syntax-shims.1.0.0  (https://opam.ocaml.org/cache)
-> retrieved ocplib-endian.1.2  (https://opam.ocaml.org/cache)
-> retrieved re.1.14.0  (https://opam.ocaml.org/cache)
-> retrieved rresult.0.7.0  (https://opam.ocaml.org/cache)
-> retrieved stdlib-shims.0.3.0  (https://opam.ocaml.org/cache)
-> installed cppo.1.8.0
-> retrieved uring.0.1  (https://opam.ocaml.org/cache)
-> installed stdlib-shims.0.3.0
-> installed astring.0.8.5
-> retrieved uutf.1.0.4  (https://opam.ocaml.org/cache)
-> installed rresult.0.7.0
-> installed ocplib-endian.1.2
-> installed ocaml-syntax-shims.1.0.0
-> installed re.1.14.0
-> installed fpath.0.7.3
-> removed   uring.0.1
-> installed uutf.1.0.4
-> installed alcotest.1.9.1
-> installed lwt.6.1.1
-> installed notty.0.2.3
-> installed logs.0.10.0
-> installed bechamel-notty.0.5.0
-> installed bos.0.2.1
[ERROR] The compilation of uring.0.1 failed at "dune build -p uring -j 255 @install @runtest".

#=== ERROR while compiling uring.0.1 ==========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | file:///home/opam/opam-repository
# path                 ~/.opam/4.14/.opam-switch/build/uring.0.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p uring -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/uring-7-f0b32c.env
# output-file          ~/.opam/log/uring-7-f0b32c.out
### output ###
# (cd _build/default/vendor/liburing && ./configure)
# prefix                        /usr
# includedir                    /usr/include
# libdir                        /usr/lib
# libdevdir                     /usr/lib
# relativelibdir                
# mandir                        /usr/man
# datadir                       /usr/share
# __kernel_rwf_t                yes
# __kernel_timespec             yes
# open_how                      no
# statx                         yes
# C++                           yes
# has_ucontext                  yes
# CC                            gcc
# CXX                           g++
# (cd _build/default/vendor/liburing && /usr/bin/make -j -C src)
# make: Entering directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
#      CC setup.ol
#      CC queue.ol
#      CC syscall.ol
#      CC register.ol
#      CC setup.os
#      CC queue.os
#      CC syscall.os
#      CC register.os
#      AR liburing.a
#  RANLIB liburing.a
#      CC liburing.so.2.0.0
# make: Leaving directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
# ar: creating liburing.a
# (cd _build/default/tests && ./poll_add.exe)
# submitted 1
# poll_add: 1
# File "tests/dune", line 2, characters 7-11:
# 2 |  (name main)
#            ^^^^
# (cd _build/default/tests && ./main.exe)
# Testing `tests/main.ml'.
# This run has ID `BQLMO6AA'.
# 
#   [OK]          heap           0   normal_usage.
#   [OK]          heap           1   double_free.
#   [OK]          heap           2   out_of_space.
#   [OK]          uring          0   invalid_queue_depth.
#   [OK]          uring          1   noop.
#   [OK]          uring          2   open.
#   [OK]          uring          3   create.
#   [OK]          uring          4   resolve.
#   [OK]          uring          5   read.
#   [OK]          uring          6   readv.
#   [OK]          uring          7   readv2.
#   [FAIL]        uring          8   region.
#   [FAIL]        uring          9   cancel.
#   [FAIL]        uring         10   cancel_late.
#   [FAIL]        uring         11   cancel_invalid.
#   [FAIL]        uring         12   free_busy.
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring          8   region.                                     │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.test_region.(fun) in file "tests/main.ml", line 276, characters 2-224
#             Called from Dune__exe__Main.Test_data.with_fd in file "tests/main.ml", line 112, characters 12-16
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 128, characters 2-6
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.008.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring          9   cancel.                                     │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.009.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         10   cancel_late.                                │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.010.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         11   cancel_invalid.                             │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.011.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         12   free_busy.                                  │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.test_free_busy in file "tests/main.ml", line 348, characters 10-40
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.012.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# Full test results in `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml'.
# 5 failures! in 0.025s. 16 tests run.



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build uring 0.1
+- 
+- The following changes have been performed
| - remove  uring              0.1
| - install alcotest           1.9.1
| - install astring            0.8.5
| - install base-bytes         base
| - install bechamel           0.5.0
| - install bechamel-notty     0.5.0
| - install bos                0.2.1
| - install cppo               1.8.0
| - install fpath              0.7.3
| - install logs               0.10.0
| - install lwt                6.1.1
| - install notty              0.2.3
| - install ocaml-syntax-shims 1.0.0
| - install ocplib-endian      1.2
| - install re                 1.14.0
| - install rresult            0.7.0
| - install stdlib-shims       0.3.0
| - install uutf               1.0.4
+- 
# 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/4.14/.opam-switch/backup/state-20260317004457.export"
Or you can retry to install your package selection with:
    /usr/bin/opam install --restore
2026-03-17 00:45.11 ---> saved as "9e08b22b5f95fd48ce9c19b80774297f01ce2b57e2b28211249f89e9f6e05f0c"

/home/opam: (run (shell  "opam reinstall --with-test --verbose uring.0.1;\
                        \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 \"$pkg\" != 'uring.0.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
uring.0.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install uring 0.1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/3: [uring.0.1: extract]
-> retrieved uring.0.1  (cached)
Processing  2/3: [uring: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "uring" "-j" "255" "@install" "@runtest" (CWD=/home/opam/.opam/4.14/.opam-switch/build/uring.0.1)
- (cd _build/default/vendor/liburing && ./configure)
- prefix                        /usr
- includedir                    /usr/include
- libdir                        /usr/lib
- libdevdir                     /usr/lib
- relativelibdir                
- mandir                        /usr/man
- datadir                       /usr/share
- __kernel_rwf_t                yes
- __kernel_timespec             yes
- open_how                      no
- statx                         yes
- C++                           yes
- has_ucontext                  yes
- CC                            gcc
- CXX                           g++
- (cd _build/default/vendor/liburing && /usr/bin/make -j -C src)
- make: Entering directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
-      CC queue.ol
-      CC setup.ol
-      CC syscall.ol
-      CC register.ol
-      CC setup.os
-      CC queue.os
-      CC syscall.os
-      CC register.os
-      AR liburing.a
-      CC liburing.so.2.0.0
-  RANLIB liburing.a
- make: Leaving directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
- ar: creating liburing.a
- (cd _build/default/tests && ./poll_add.exe)
- submitted 1
- poll_add: 1
- File "tests/dune", line 2, characters 7-11:
- 2 |  (name main)
-            ^^^^
- (cd _build/default/tests && ./main.exe)
- Testing `tests/main.ml'.
- This run has ID `BPKNTO73'.
- 
-   [OK]          heap           0   normal_usage.
-   [OK]          heap           1   double_free.
-   [OK]          heap           2   out_of_space.
-   [OK]          uring          0   invalid_queue_depth.
-   [OK]          uring          1   noop.
-   [OK]          uring          2   open.
-   [OK]          uring          3   create.
-   [OK]          uring          4   resolve.
-   [OK]          uring          5   read.
-   [OK]          uring          6   readv.
-   [OK]          uring          7   readv2.
-   [FAIL]        uring          8   region.
-   [FAIL]        uring          9   cancel.
-   [FAIL]        uring         10   cancel_late.
-   [FAIL]        uring         11   cancel_invalid.
-   [FAIL]        uring         12   free_busy.
- 
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ [FAIL]        uring          8   region.                                     │
- └──────────────────────────────────────────────────────────────────────────────┘
- [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
-             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
-             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
-             Called from Dune__exe__Main.test_region.(fun) in file "tests/main.ml", line 276, characters 2-224
-             Called from Dune__exe__Main.Test_data.with_fd in file "tests/main.ml", line 112, characters 12-16
-             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 128, characters 2-6
-             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
-             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
-             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
-             
- Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.008.output'.
-  ──────────────────────────────────────────────────────────────────────────────
- 
- 
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ [FAIL]        uring          9   cancel.                                     │
- └──────────────────────────────────────────────────────────────────────────────┘
- [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
-             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
-             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
-             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
-             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
-             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
-             
- Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.009.output'.
-  ──────────────────────────────────────────────────────────────────────────────
- 
- 
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ [FAIL]        uring         10   cancel_late.                                │
- └──────────────────────────────────────────────────────────────────────────────┘
- [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
-             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
-             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
-             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
-             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
-             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
-             
- Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.010.output'.
-  ──────────────────────────────────────────────────────────────────────────────
- 
- 
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ [FAIL]        uring         11   cancel_invalid.                             │
- └──────────────────────────────────────────────────────────────────────────────┘
- [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
-             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
-             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
-             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
-             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
-             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
-             
- Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.011.output'.
-  ──────────────────────────────────────────────────────────────────────────────
- 
- 
- ┌──────────────────────────────────────────────────────────────────────────────┐
- │ [FAIL]        uring         12   free_busy.                                  │
- └──────────────────────────────────────────────────────────────────────────────┘
- [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
-             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
-             Called from Dune__exe__Main.test_free_busy in file "tests/main.ml", line 348, characters 10-40
-             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
-             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
-             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
-             
- Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.012.output'.
-  ──────────────────────────────────────────────────────────────────────────────
- 
- Full test results in `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml'.
- 5 failures! in 0.027s. 16 tests run.
[ERROR] The compilation of uring.0.1 failed at "dune build -p uring -j 255 @install @runtest".

#=== ERROR while compiling uring.0.1 ==========================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | file:///home/opam/opam-repository
# path                 ~/.opam/4.14/.opam-switch/build/uring.0.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p uring -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/uring-7-7a73ea.env
# output-file          ~/.opam/log/uring-7-7a73ea.out
### output ###
# (cd _build/default/vendor/liburing && ./configure)
# prefix                        /usr
# includedir                    /usr/include
# libdir                        /usr/lib
# libdevdir                     /usr/lib
# relativelibdir                
# mandir                        /usr/man
# datadir                       /usr/share
# __kernel_rwf_t                yes
# __kernel_timespec             yes
# open_how                      no
# statx                         yes
# C++                           yes
# has_ucontext                  yes
# CC                            gcc
# CXX                           g++
# (cd _build/default/vendor/liburing && /usr/bin/make -j -C src)
# make: Entering directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
#      CC queue.ol
#      CC setup.ol
#      CC syscall.ol
#      CC register.ol
#      CC setup.os
#      CC queue.os
#      CC syscall.os
#      CC register.os
#      AR liburing.a
#      CC liburing.so.2.0.0
#  RANLIB liburing.a
# make: Leaving directory '/home/opam/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/vendor/liburing/src'
# ar: creating liburing.a
# (cd _build/default/tests && ./poll_add.exe)
# submitted 1
# poll_add: 1
# File "tests/dune", line 2, characters 7-11:
# 2 |  (name main)
#            ^^^^
# (cd _build/default/tests && ./main.exe)
# Testing `tests/main.ml'.
# This run has ID `BPKNTO73'.
# 
#   [OK]          heap           0   normal_usage.
#   [OK]          heap           1   double_free.
#   [OK]          heap           2   out_of_space.
#   [OK]          uring          0   invalid_queue_depth.
#   [OK]          uring          1   noop.
#   [OK]          uring          2   open.
#   [OK]          uring          3   create.
#   [OK]          uring          4   resolve.
#   [OK]          uring          5   read.
#   [OK]          uring          6   readv.
#   [OK]          uring          7   readv2.
#   [FAIL]        uring          8   region.
#   [FAIL]        uring          9   cancel.
#   [FAIL]        uring         10   cancel_late.
#   [FAIL]        uring         11   cancel_invalid.
#   [FAIL]        uring         12   free_busy.
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring          8   region.                                     │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.test_region.(fun) in file "tests/main.ml", line 276, characters 2-224
#             Called from Dune__exe__Main.Test_data.with_fd in file "tests/main.ml", line 112, characters 12-16
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 128, characters 2-6
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.008.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring          9   cancel.                                     │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.009.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         10   cancel_late.                                │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.010.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         11   cancel_invalid.                             │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.with_uring in file "tests/main.ml", line 127, characters 10-53
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.011.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# 
# ┌──────────────────────────────────────────────────────────────────────────────┐
# │ [FAIL]        uring         12   free_busy.                                  │
# └──────────────────────────────────────────────────────────────────────────────┘
# [exception] Unix.Unix_error(Unix.ENOMEM, "io_uring_register_buffers", "")
#             Raised by primitive operation at Uring.create in file "lib/uring/uring.ml", line 224, characters 2-43
#             Called from Dune__exe__Main.test_free_busy in file "tests/main.ml", line 348, characters 10-40
#             Called from Dune__exe__Main.tc.(fun) in file "tests/main.ml", line 365, characters 60-64
#             Called from Alcotest_engine__Core.Make.protect_test.(fun) in file "src/alcotest-engine/core.ml", line 186, characters 17-23
#             Called from Alcotest_engine__Monad.Identity.catch in file "src/alcotest-engine/monad.ml", line 24, characters 31-35
#             
# Logs saved to `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml/uring.012.output'.
#  ──────────────────────────────────────────────────────────────────────────────
# 
# Full test results in `~/.opam/4.14/.opam-switch/build/uring.0.1/_build/default/tests/_build/_tests/tests-main.ml'.
# 5 failures! in 0.027s. 16 tests run.



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build uring 0.1
+- 
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'opam reinstall --with-test --verbose uring.0.1' failed.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose uring.0.1;
        res=$?;
        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 "$pkg" != 'uring.0.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-17 00:45.26: Job failed: Failed: Build failed
2026-03-17 00:45.26: Log analysis:
2026-03-17 00:45.26: >>> 
[ERROR] The compilation of uring.0.1 failed at "dune build -p uring -j 255 @install @runtest".
 (score = 20)
2026-03-17 00:45.26: >>> 
[ERROR] The compilation of uring.0.1 failed at "dune build -p uring -j 255 @install @runtest".
 (score = 20)
2026-03-17 00:45.26: The compilation of uring.0.1 failed at "dune build -p uring -j 255 @install @runtest".