(for PR #28866)

2025-11-13 23:39.39: New job: build melange.6.0.0-414, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28866/head (780331e30462ca6bc8d8e82d472fe1019e01770d)
                              on debian-unstable-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28866/head" && git reset --hard 780331e3
git fetch origin master
git merge --no-edit 48c9f6e789883c3dbb4ff03be0529c4936e40316
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-unstable-ocaml-5.4@sha256:7577814686d90969406f9edb56a1d2af43ccbec104d14f92e013567f5a6536a1
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn melange.6.0.0-414 6.0.0-414
RUN opam reinstall melange.6.0.0-414; \
    res=$?; \
    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-unstable\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'melange.6.0.0-414' && partial_fails="$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 23:39.39: Using cache hint "ocaml/opam:debian-unstable-ocaml-5.4@sha256:7577814686d90969406f9edb56a1d2af43ccbec104d14f92e013567f5a6536a1-melange.6.0.0-414-780331e30462ca6bc8d8e82d472fe1019e01770d"
2025-11-13 23:39.39: Using OBuilder spec:
((from ocaml/opam:debian-unstable-ocaml-5.4@sha256:7577814686d90969406f9edb56a1d2af43ccbec104d14f92e013567f5a6536a1)
 (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 melange.6.0.0-414 6.0.0-414"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall melange.6.0.0-414;\
             \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-unstable\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'melange.6.0.0-414' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-13 23:39.39: Waiting for resource in pool OCluster
2025-11-13 23:39.39: Waiting for worker…
2025-11-13 23:40.29: Got resource from pool OCluster
Building on clete
All commits already cached
Updating files:  95% (17831/18768)
Updating files:  96% (18018/18768)
Updating files:  97% (18205/18768)
Updating files:  98% (18393/18768)
Updating files:  99% (18581/18768)
Updating files: 100% (18768/18768)
Updating files: 100% (18768/18768), done.
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-unstable-ocaml-5.4@sha256:7577814686d90969406f9edb56a1d2af43ccbec104d14f92e013567f5a6536a1)
2025-11-13 23:41.21 ---> using "0ad4eade8c0c4e69db4206e2b6a902bdf55f1ecf22e94a3aac972cc0a8ef9225" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-13 23:41.21 ---> using "bc41d7791562b1a48b99ce575297640ee76f06578110dd631f37758ff0c3bd09" 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.

Continue? [Y/n] y
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-11-13 23:41.21 ---> using "f8b7e3a666709822f39c610fe7225ea9c5866e4f6482109311cdc8659dd722b9" 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~alpha1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=unknown
# 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
2025-11-13 23:41.21 ---> using "c0f0820d3d81142b496b68f3439e9c5cdb1b8740d8b22968d36e69381c74fc19" 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 23:41.21 ---> using "e278ff1545256e156a008328ccb4fd3b15e546afac951ff67bbb66085d4790ab" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-13 23:41.37 ---> saved as "73869abd20cc6b76577d95a288ed3507fbcb30c776543f1b11a6a311e8c02e97"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-13 23:41.56 ---> saved as "6f8b75bb68a6bfe74b44e16079e317da8ccde73c53699283bbaa1744557e25d8"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [176 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-11-13-2005.03-F-2025-11-08-0809.16.pdiff [320 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2025-11-13-2005.03-F-2025-11-08-0809.16.pdiff [320 kB]
- Fetched 559 kB in 3s (204 kB/s)
- Reading package lists...
- 
2025-11-13 23:42.03 ---> saved as "f71b50cc6877764b3517775b4a8bb8f6f31e27f91f591dc3e0396923be8067a6"

/home/opam: (run (shell "opam pin add -k version -yn melange.6.0.0-414 6.0.0-414"))
melange is now pinned to version 6.0.0-414
2025-11-13 23:42.05 ---> saved as "3de84f1e8410b107f70480fe06e39e97d5ad492538b415cc38affbfc1b855452"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall melange.6.0.0-414;\
                        \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-unstable\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'melange.6.0.0-414' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
melange.6.0.0-414 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - melange >= 6.0.0-414 -> ocaml < 4.15 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - melange >= 6.0.0-414 -> ocaml < 4.15 -> ocaml-variants (< 4.02.4~ | >= 4.02.4)
  * Missing dependency:
    - melange >= 6.0.0-414 -> ocaml < 4.15 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - melange >= 6.0.0-414 -> ocaml < 4.15 -> ocaml-variants >= 4.02.4 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - melange >= 6.0.0-414 -> ocaml < 4.15 -> ocaml-variants >= 4.02.4 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall melange.6.0.0-414;
        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-unstable\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'melange.6.0.0-414' && partial_fails="$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 23:42.47: Job failed: Failed: Build failed
2025-11-13 23:42.47: Log analysis:
2025-11-13 23:42.47: >>> 
No solution found, exiting
 (score = 100)
2025-11-13 23:42.47: [SKIP] Package not available