(for PR #28866)

2025-11-13 23:39.45: New job: build melange.6.0.0-52, using opam 2.0
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28866/head (780331e30462ca6bc8d8e82d472fe1019e01770d)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28866/head" && git reset --hard 780331e3
git fetch origin master
git merge --no-edit 48c9f6e789883c3dbb4ff03be0529c4936e40316
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam depext -u || true
RUN opam pin add -k version -yn melange.6.0.0-52 6.0.0-52
RUN opam depext melange.6.0.0-52 && opam reinstall melange.6.0.0-52; \
    res=$?; \
    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 "$pkg" != 'melange.6.0.0-52' && partial_fails="$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 .

2025-11-13 23:39.45: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e-melange.6.0.0-52-780331e30462ca6bc8d8e82d472fe1019e01770d"
2025-11-13 23:39.45: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "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 depext -u || true"))
 (run (shell "opam pin add -k version -yn melange.6.0.0-52 6.0.0-52"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam depext melange.6.0.0-52 && opam reinstall melange.6.0.0-52;\
             \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 \"$pkg\" != 'melange.6.0.0-52' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-13 23:39.45: Waiting for resource in pool OCluster
2025-11-13 23:39.45: Waiting for worker…
2025-11-13 23:39.48: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at 48c9f6e789 Merge pull request #28889 from jserot/opam-publish-rfsm.2.2
Merge made by the 'ort' strategy.
 packages/melange/melange.6.0.0-414/opam | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-51/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-52/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-53/opam  | 41 +++++++++++++++++++++++++++++++++
 packages/melange/melange.6.0.0-54/opam  | 41 +++++++++++++++++++++++++++++++++
 5 files changed, 205 insertions(+)
 create mode 100644 packages/melange/melange.6.0.0-414/opam
 create mode 100644 packages/melange/melange.6.0.0-51/opam
 create mode 100644 packages/melange/melange.6.0.0-52/opam
 create mode 100644 packages/melange/melange.6.0.0-53/opam
 create mode 100644 packages/melange/melange.6.0.0-54/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e)
2025-11-13 23:42.33 ---> using "0a7782df646ba17c4c91deb7545267f63c19555df9b225a0640862ce540c1383" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
2025-11-13 23:42.33 ---> using "2e915c832857d7f324dcfaf792cde43ef22a972cc3050e70760b3767913dfce6" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
[NOTE] Will configure 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.

[WARNING] Recommended dependencies -- most packages rely on these:
  - m4

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
default (at git+file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2025-11-13 23:42.33 ---> using "f0696e1de87acc459e6a3e79106b7841c7d391d0ed9c484837bc35e7d674eb5a" from cache

/home/opam: (run (shell "opam config report"))
# opam config report
# opam-version      2.0.10 (adc1e1829a2bef5b240746df80341b508290fe3b) 
# self-upgrade      no
# system            arch=x86_64 os=linux os-distribution=debian os-version=13
# solver            builtin-mccs+glpk
# install-criteria  -removed,-count[version-lag,request],-count[version-lag,changed],-changed
# upgrade-criteria  -removed,-count[version-lag,solution],-new
# jobs              71
# repositories      1 (version-controlled)
# pinned            1 (version)
# current-switch    4.14
2025-11-13 23:42.33 ---> using "af4632399b84b057319b9775cf95f4849e3116eb99289d2d1b9b4d8ef421d60b" 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/"))
2025-11-13 23:42.33 ---> using "4411c154f4e3741954b5da391bbbe83543ea8cbc91c0b31dc1ca37356d058031" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-13 23:43.25 ---> saved as "aaaad8ed2c326feeaa9ffdd873474099339ac56fd10261e6074742bcfd258ca7"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
default (at file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2025-11-13 23:43.37 ---> saved as "2faeea043b33bd92d606e2b404907a8247be34acdb94fc8d08c140ef3d1ecc8d"

/home/opam: (run (network host)
                 (shell "opam depext -u || true"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
The following command needs to be run through "sudo":
    apt-get update
Hit:1 http://deb.debian.org/debian trixie InRelease
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-security trixie-security/main amd64 Packages [71.4 kB]
Fetched 162 kB in 0s (662 kB/s)
Reading package lists...
# OS package update successful
2025-11-13 23:43.39 ---> saved as "be841a499658db1f45e643cdbc45560d9dd74eacd040b2bb9ecf7471ac9d4a1d"

/home/opam: (run (shell "opam pin add -k version -yn melange.6.0.0-52 6.0.0-52"))
melange is now pinned to version 6.0.0-52
2025-11-13 23:43.40 ---> saved as "841354ce6f9b1f0deaac7719a989f4ca7e54f5b67e48e4ef27d8b2ef103d8f2f"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam depext melange.6.0.0-52 && opam reinstall melange.6.0.0-52;\
                        \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 \"$pkg\" != 'melange.6.0.0-52' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
[ERROR] No solution for melange.6.0.0-52: The following dependencies couldn't be met:
          - melange -> ocaml >= 5.2
              base of this switch (use `--unlock-base' to force)


Command failed: opam list --readonly --external '--resolve=melange.6.0.0-52' --color=never returned 20
"/usr/bin/env" "bash" "-c" "opam depext melange.6.0.0-52 && opam reinstall melange.6.0.0-52;
        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 "$pkg" != 'melange.6.0.0-52' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-13 23:44.00: Job failed: Failed: Build failed
2025-11-13 23:44.00: Log analysis:
2025-11-13 23:44.00: >>> 
[ERROR] No solution for melange.6.0.0-52: The following dependencies couldn't be met:
 (score = 100)
2025-11-13 23:44.00: [SKIP] Package not available