(not at the head of any monitored branch or PR)
2026-01-20 14:14.00: New job: build carton-miou.1.2.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29253/head (cf69fbaba3a6096a276cc51adc056715c497ad10)
                              on ubuntu-25.10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29253/head" && git reset --hard cf69fbab
git fetch origin master
git merge --no-edit 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:eb3d95343af67728aac8bd1d57ba8400141947f6ddec7feafa76517a2e313f8a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn carton-miou.1.2.0 1.2.0
RUN opam reinstall carton-miou.1.2.0; \
    res=$?; \
    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 "\"ubuntu-25.10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'carton-miou.1.2.0' && partial_fails="$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 .

2026-01-20 14:14.00: Using cache hint "ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:eb3d95343af67728aac8bd1d57ba8400141947f6ddec7feafa76517a2e313f8a-carton-miou.1.2.0-cf69fbaba3a6096a276cc51adc056715c497ad10"
2026-01-20 14:14.00: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:eb3d95343af67728aac8bd1d57ba8400141947f6ddec7feafa76517a2e313f8a)
 (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 carton-miou.1.2.0 1.2.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall carton-miou.1.2.0;\
             \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 \"\\\"ubuntu-25.10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'carton-miou.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-20 14:14.00: Waiting for resource in pool OCluster
2026-01-20 14:14.01: Waiting for worker…
2026-01-20 14:15.27: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
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Updating files: 100% (19236/19236), done.
HEAD is now at 1c997ec9e6 Merge pull request #29241 from polytypic/release-multicore-magic-2.3.2
Updating 1c997ec9e6..cf69fbaba3
Fast-forward
 packages/carton-git-lwt/carton-git-lwt.1.2.0/opam | 38 ++++++++++++++++++++
 packages/carton-lwt/carton-lwt.1.2.0/opam         | 38 ++++++++++++++++++++
 packages/carton-miou/carton-miou.1.2.0/opam       | 42 +++++++++++++++++++++++
 packages/carton/carton.1.2.0/opam                 | 41 ++++++++++++++++++++++
 4 files changed, 159 insertions(+)
 create mode 100644 packages/carton-git-lwt/carton-git-lwt.1.2.0/opam
 create mode 100644 packages/carton-lwt/carton-lwt.1.2.0/opam
 create mode 100644 packages/carton-miou/carton-miou.1.2.0/opam
 create mode 100644 packages/carton/carton.1.2.0/opam

(from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:eb3d95343af67728aac8bd1d57ba8400141947f6ddec7feafa76517a2e313f8a)
2026-01-20 14:16.51 ---> using "3007dbb0af80bed2fefda657aef1c2ff0b0b14487380b4157f2dbba80affe0c9" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-20 14:16.51 ---> using "caee5088f3d81dff3e3a7e5cf810419e454980537de88ab02113acdbf4d5e93d" 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
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ocaml-patches-overlay] synchronised from git+https://github.com/ocurrent/opam-repository#patches
[default] Initialised
2026-01-20 14:16.51 ---> using "a691aeea195f98e234a30a21f7af2cfec5875188a5c6189781aafad84efd942d" 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=ubuntu os-version=25.10
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         2 (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
2026-01-20 14:16.51 ---> using "d502e17fc8dcd13ba7dc39dc7ca5a373038f3f44192c4c54c5f9056684ad84bb" 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/"))
2026-01-20 14:16.51 ---> using "e328c3bba21f3cca3e562573f56287c630aa22342d14687d883b5d216b1d3c7d" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-20 14:17.21 ---> saved as "2fc82c796ccb8681701cb1eb23a6dd4f119eb25496f2353ed0d16ffcc00dfb67"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-20 14:17.48 ---> saved as "e1da7d94c0bca8b201e3a25f4fb8becf534e4cae22d0f5fda14ac13befa1eee9"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]
- Get:2 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [181 kB]
- Get:3 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [117 kB]
- Hit:4 http://archive.ubuntu.com/ubuntu questing InRelease
- Get:5 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]
- Get:6 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]
- Get:7 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [302 kB]
- Get:8 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [171 kB]
- Fetched 1175 kB in 1s (1815 kB/s)
- Reading package lists...
- 
2026-01-20 14:17.50 ---> saved as "24d968e1dda7ad79f90454c39691b893054ff4cf134f4585d61e5c0e0194f688"

/home/opam: (run (shell "opam pin add -k version -yn carton-miou.1.2.0 1.2.0"))
carton-miou is now pinned to version 1.2.0
2026-01-20 14:17.51 ---> saved as "3f4b2970880d363e8681e65ec0478c17304a117b70f2f4bfc2b9d6ebeb739034"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall carton-miou.1.2.0;\
                        \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 \"\\\"ubuntu-25.10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'carton-miou.1.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
carton-miou.1.2.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - carton-miou -> ocaml >= 5.0.0 -> ocaml-variants < 5.3.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - carton-miou -> ocaml >= 5.0.0 -> ocaml-variants < 5.3.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - carton-miou -> ocaml >= 5.0.0 -> ocaml-variants >= 5.0.0~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall carton-miou.1.2.0;
        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 "\"ubuntu-25.10\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'carton-miou.1.2.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-01-20 14:18.25: Job failed: Failed: Build failed
2026-01-20 14:18.25: Log analysis:
2026-01-20 14:18.25: >>> 
No solution found, exiting
 (score = 100)
2026-01-20 14:18.25: [SKIP] Package not available