(for PR #28619)

2025-09-30 08:04.02: New job: build MlFront_Core.2.4.2.21, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28619/head (f053538f79a18e4c6a4064eb8f48277b038e350a)
                              on debian-13-ocaml-4.14/s390x

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28619/head" && git reset --hard f053538f
git fetch origin master
git merge --no-edit dfe27d924d3f2d9d3045aa994e54a6172a669ecb
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn MlFront_Core.2.4.2.21 2.4.2.21
RUN opam reinstall MlFront_Core.2.4.2.21; \
    res=$?; \
    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 "$pkg" != 'MlFront_Core.2.4.2.21' && partial_fails="$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 .

2025-09-30 08:04.02: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c-MlFront_Core.2.4.2.21-f053538f79a18e4c6a4064eb8f48277b038e350a"
2025-09-30 08:04.02: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c)
 (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 MlFront_Core.2.4.2.21 2.4.2.21"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall MlFront_Core.2.4.2.21;\
             \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 \"$pkg\" != 'MlFront_Core.2.4.2.21' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-09-30 08:04.02: Waiting for resource in pool OCluster
2025-09-30 08:04.02: Waiting for worker…
2025-09-30 08:58.01: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
All commits already cached
Updating files:  66% (12209/18395)
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Updating files: 100% (18395/18395), done.
HEAD is now at dfe27d924d Merge pull request #28613 from kit-ty-kate/opam-2.4-stable-patch
Updating dfe27d924d..f053538f79
Fast-forward
 packages/MlFront_Cache/MlFront_Cache.2.4.2.21/opam | 46 ++++++++++++++++++++
 packages/MlFront_Cli/MlFront_Cli.2.4.2.21/opam     | 37 ++++++++++++++++
 .../MlFront_Codept/MlFront_Codept.2.4.2.21/opam    | 50 ++++++++++++++++++++++
 .../MlFront_Config/MlFront_Config.2.4.2.21/opam    | 41 ++++++++++++++++++
 packages/MlFront_Core/MlFront_Core.2.4.2.21/opam   | 42 ++++++++++++++++++
 .../MlFront_Errors/MlFront_Errors.2.4.2.21/opam    | 41 ++++++++++++++++++
 packages/MlFront_Exec/MlFront_Exec.2.4.2.21/opam   | 50 ++++++++++++++++++++++
 packages/MlFront_Logs/MlFront_Logs.2.4.2.21/opam   | 41 ++++++++++++++++++
 packages/MlFront_Manip/MlFront_Manip.2.4.2.21/opam | 39 +++++++++++++++++
 .../MlFront_Signify/MlFront_Signify.2.4.2.21/opam  | 40 +++++++++++++++++
 packages/MlFront_Thunk/MlFront_Thunk.2.4.2.21/opam | 44 +++++++++++++++++++
 packages/MlFront_Tools/MlFront_Tools.2.4.2.21/opam | 49 +++++++++++++++++++++
 .../MlFront_ZipFile/MlFront_ZipFile.2.4.2.21/opam  | 40 +++++++++++++++++
 13 files changed, 560 insertions(+)
 create mode 100644 packages/MlFront_Cache/MlFront_Cache.2.4.2.21/opam
 create mode 100644 packages/MlFront_Cli/MlFront_Cli.2.4.2.21/opam
 create mode 100644 packages/MlFront_Codept/MlFront_Codept.2.4.2.21/opam
 create mode 100644 packages/MlFront_Config/MlFront_Config.2.4.2.21/opam
 create mode 100644 packages/MlFront_Core/MlFront_Core.2.4.2.21/opam
 create mode 100644 packages/MlFront_Errors/MlFront_Errors.2.4.2.21/opam
 create mode 100644 packages/MlFront_Exec/MlFront_Exec.2.4.2.21/opam
 create mode 100644 packages/MlFront_Logs/MlFront_Logs.2.4.2.21/opam
 create mode 100644 packages/MlFront_Manip/MlFront_Manip.2.4.2.21/opam
 create mode 100644 packages/MlFront_Signify/MlFront_Signify.2.4.2.21/opam
 create mode 100644 packages/MlFront_Thunk/MlFront_Thunk.2.4.2.21/opam
 create mode 100644 packages/MlFront_Tools/MlFront_Tools.2.4.2.21/opam
 create mode 100644 packages/MlFront_ZipFile/MlFront_ZipFile.2.4.2.21/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c' locally
docker.io/ocaml/opam@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c: Pulling from ocaml/opam
28eee642962f: Already exists
a3da74fabe44: Already exists
954a4b28c4ac: Already exists
33f722f84002: Already exists
22230ea145a1: Already exists
fecf6f44f284: Already exists
217bd4fede6a: Already exists
a33647dc2e72: Already exists
d79780697501: Already exists
9e23f7ffff2e: Already exists
eb75e063aff4: Already exists
388fcd98e415: Already exists
c1d354e88d38: Already exists
a0f5e7e96636: Already exists
ba5ff5ec60bd: Already exists
9aaa23f50bbc: Already exists
d10db0662178: Already exists
cd6f63b0f0f8: Already exists
ac5365aa1a11: Already exists
6587968fd88d: Already exists
e588d084fdc6: Already exists
4f4fb700ef54: Already exists
4a5997d73c6d: Already exists
e541ac1e928e: Already exists
728b5511169a: Already exists
959e36346cbe: Already exists
1b8a5fe2cec2: Already exists
e74fadbc5d0b: Already exists
ed67b78ce4dd: Already exists
427304383c22: Already exists
3463eb278ac2: Already exists
5f56c9cf090b: Already exists
dbb81f611d3c: Already exists
06c3f641d2b9: Already exists
f910b4833e6f: Already exists
b3a11d4a0fca: Already exists
0031525c35e8: Already exists
007ec72ca1b8: Already exists
b29860215095: Already exists
c167a5bdeab6: Already exists
9d6b0ab18c79: Pulling fs layer
9b09c37533d2: Pulling fs layer
9a6fc8f6dbc3: Pulling fs layer
22d23a9afaf6: Pulling fs layer
22d23a9afaf6: Waiting
9a6fc8f6dbc3: Verifying Checksum
9a6fc8f6dbc3: Download complete
9b09c37533d2: Verifying Checksum
9b09c37533d2: Download complete
22d23a9afaf6: Verifying Checksum
22d23a9afaf6: Download complete
9d6b0ab18c79: Verifying Checksum
9d6b0ab18c79: Download complete
9d6b0ab18c79: Pull complete
9b09c37533d2: Pull complete
9a6fc8f6dbc3: Pull complete
22d23a9afaf6: Pull complete
Digest: sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c
Status: Downloaded newer image for ocaml/opam@sha256:720edf32770dc2430e94f20c9b199fe4da5cd2ddaad6daa066235ec87df69b2c
2025-09-30 08:58.04 ---> using "21924fd223900ba9548db9ff2d14288448a6b2c6b9a6ac7a343fb5704bfa759b" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-09-30 08:58.04 ---> using "98dbf344259c02588180179653fa5e3cd1bc9a3eb481ccb637c84dca0bf62140" 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
2025-09-30 08:58.04 ---> using "f40baf658e616f9c0d18487df4ac8c44d34b864b91f7131e6f171ed27b52d184" 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         2.4.1
# self-upgrade         no
# system               arch=s390x 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                 3
# 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
2025-09-30 08:58.04 ---> using "f307c9b8fea6d8f45dc3f4733e6be6563c042f99abba0c1c3627ea028ef8a50e" 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/"))
2025-09-30 08:58.04 ---> using "47d40da127dd3111a6b418197779ce638e549d8e81d378740c588694dfad2f77" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-09-30 08:58.06 ---> using "738ba9f4085f5ea75433f4c801f619810fb1260d00835a2532de3cf19212744f" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-09-30 08:58.06 ---> using "6b592d265a3de58fc9488399366668551bd5e0bd9986b22f379049a50b21431d" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/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 s390x Packages [41.8 kB]
- Fetched 133 kB in 0s (434 kB/s)
- Reading package lists...
- 
2025-09-30 08:58.06 ---> using "c995c41f2885dca99b35ac02b362d7dc55cb584293adfe08257cec4b8c59f4fe" from cache

/home/opam: (run (shell "opam pin add -k version -yn MlFront_Core.2.4.2.21 2.4.2.21"))
MlFront_Core is now pinned to version 2.4.2.21
2025-09-30 08:58.35 ---> saved as "3b5ba5f6a31ae15517c7bb34f1709aad5cd167a8e8c8fb2bfe77d7dcf9ea116b"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall MlFront_Core.2.4.2.21;\
                        \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 \"$pkg\" != 'MlFront_Core.2.4.2.21' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
MlFront_Core.2.4.2.21 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 5 packages
  - install digestif     1.3.0             [required by MlFront_Core]
  - install dune         3.20.2            [required by MlFront_Core]
  - install eqaf         0.10              [required by digestif]
  - install MlFront_Core 2.4.2.21 (pinned)
  - install stringext    1.6.0             [required by MlFront_Core]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved digestif.1.3.0  (cached)
-> retrieved dune.3.20.2  (cached)
-> retrieved eqaf.0.10  (cached)
-> retrieved MlFront_Core.2.4.2.21  (cached)
-> retrieved stringext.1.6.0  (cached)
-> installed dune.3.20.2
-> installed stringext.1.6.0
-> installed eqaf.0.10
-> installed digestif.1.3.0
-> installed MlFront_Core.2.4.2.21
Done.
# To update the current shell environment, run: eval $(opam env)
2025-09-30 08:59.33 ---> saved as "585ee0ba12895e9197fb52712a0d8cefa25b85002fccdb15f34b300fbb672aa0"
Job succeeded
2025-09-30 08:59.54: Job succeeded