(for PR #29085)

2025-12-17 15:33.24: New job: build ocaml.5.5.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29085/head (d0355feefc1e55d6558a9946775e6b891961f805)
                              on debian-12-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29085/head" && git reset --hard d0355fee
git fetch origin master
git merge --no-edit c199949faadf15109c780af6e7b5b8a514096df6
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.4@sha256:bd8d663a0c66570edf0ca5c57e4577998662299f20d3c4cc8a83c1863670a8ea
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml.5.5.0 5.5.0
RUN opam reinstall ocaml.5.5.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml.5.5.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2025-12-17 15:33.24: Using cache hint "ocaml/opam:debian-12-ocaml-5.4@sha256:bd8d663a0c66570edf0ca5c57e4577998662299f20d3c4cc8a83c1863670a8ea-ocaml.5.5.0-d0355feefc1e55d6558a9946775e6b891961f805"
2025-12-17 15:33.24: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.4@sha256:bd8d663a0c66570edf0ca5c57e4577998662299f20d3c4cc8a83c1863670a8ea)
 (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 ocaml.5.5.0 5.5.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml.5.5.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml.5.5.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-17 15:33.24: Waiting for resource in pool OCluster
2025-12-17 15:33.25: Waiting for worker…
2025-12-17 15:34.37: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
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HEAD is now at c199949faa Merge pull request #29097 from reynir/release-albatross-v2.6.2
Updating c199949faa..d0355feefc
Fast-forward
 packages/ocaml/ocaml.5.5.0/opam | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

(from ocaml/opam:debian-12-ocaml-5.4@sha256:bd8d663a0c66570edf0ca5c57e4577998662299f20d3c4cc8a83c1863670a8ea)
2025-12-17 15:36.11 ---> saved as "5849b108cfe0492ddf16e3dd1a95b9407cb5aae44058d2c54c8faee309371d93"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-17 15:36.14 ---> saved as "5a30dfc6b8c8b4378880c2d4cd1530275610c11f8dbaba9ccb947accd39b6af7"

/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
2025-12-17 15:36.43 ---> saved as "56ab269e97070e7467f9c5701cbc260429fd63e2c89eb24adddd2d12b902be79"

/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=12
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# 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
2025-12-17 15:36.45 ---> saved as "89f818f5dc4ef92d30e6d3b8ce724ae046226fac0163a38c918111f15aeffd09"

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (env CI true)

/home/opam: (env OPAM_REPO_CI true)

/home/opam: (run (shell "rm -rf opam-repository/"))
2025-12-17 15:36.56 ---> saved as "c3c46ee002440a743dc60d9726f2528ad52f93ca39115694867fcbecf6156bee"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-17 15:37.36 ---> saved as "9b9ea1d2a50bf0cfa260bf073b1866002257682ebce91f43f596b22f990f6faa"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-17 15:37.59 ---> saved as "ca896516e0122c22267169510e5f8a16e5b9df96c4eb22a1616ca3713cdecdcd"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [290 kB]
- Fetched 393 kB in 0s (1057 kB/s)
- Reading package lists...
- 
2025-12-17 15:38.02 ---> saved as "8fb5accfadaa616702b736377463d6144a6313fc8b72b1bfcda4cd54c4803ffd"

/home/opam: (run (shell "opam pin add -k version -yn ocaml.5.5.0 5.5.0"))
ocaml is now pinned to version 5.5.0
2025-12-17 15:38.03 ---> saved as "80ad6e8f1b5d802b28699dde2858bf90ce05600a706b0ddfb28d8539ce3400d1"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml.5.5.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml.5.5.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml.5.5.0 is not installed. Install it? [Y/n] y
  * Missing dependency:
    - (invariant) -> ocaml-base-compiler >= 5.4.0 -> ocaml-compiler = 5.4.0 -> ocaml = 5.4.0 -> ocaml.5.4.0: no longer available

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall ocaml.5.5.0;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        partial_fails="";
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'ocaml.5.5.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-17 15:38.47: Job failed: Failed: Build failed
2025-12-17 15:38.47: Log analysis:
2025-12-17 15:38.47: >>> 
No solution found, exiting
 (score = 100)
2025-12-17 15:38.47: [SKIP] Package not available