Build:
  1. 0
2026-02-18 16:03.01: New job: test qcow-tool.0.13.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29420/head (1c56fa007c7c3d55ecb6e813f3453aa0163c8362)
                              on debian-13-ocaml-5.4/s390x

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29420/head" && git reset --hard 1c56fa00
git fetch origin master
git merge --no-edit 0431a98cc2177cbcc88e0937fe5b1b48e457e990
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn qcow-tool.0.13.0 0.13.0
RUN opam reinstall qcow-tool.0.13.0; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'qcow-tool.0.13.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test qcow-tool.0.13.0) || true
RUN opam reinstall --with-test --verbose qcow-tool.0.13.0; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'qcow-tool.0.13.0' && partial_fails="$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 .

2026-02-18 16:03.01: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff-qcow-tool.0.13.0-1c56fa007c7c3d55ecb6e813f3453aa0163c8362"
2026-02-18 16:03.01: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff)
 (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 qcow-tool.0.13.0 0.13.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall qcow-tool.0.13.0;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'qcow-tool.0.13.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test qcow-tool.0.13.0) || true"))
 (run (shell  "opam reinstall --with-test --verbose qcow-tool.0.13.0;\
             \n        res=$?;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'qcow-tool.0.13.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-18 16:03.01: Waiting for resource in pool OCluster
2026-02-18 16:03.02: Waiting for worker…
2026-02-18 16:16.55: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
All commits already cached
HEAD is now at 0431a98cc2 Merge pull request #29419 from dinosaure/release-hxd-v0.4.0
Merge made by the 'ort' strategy.
 packages/qcow-stream/qcow-stream.0.13.0/opam | 42 +++++++++++++++++++
 packages/qcow-tool/qcow-tool.0.13.0/opam     | 57 +++++++++++++++++++++++++
 packages/qcow-types/qcow-types.0.13.0/opam   | 50 ++++++++++++++++++++++
 packages/qcow/qcow.0.13.0/opam               | 62 ++++++++++++++++++++++++++++
 4 files changed, 211 insertions(+)
 create mode 100644 packages/qcow-stream/qcow-stream.0.13.0/opam
 create mode 100644 packages/qcow-tool/qcow-tool.0.13.0/opam
 create mode 100644 packages/qcow-types/qcow-types.0.13.0/opam
 create mode 100644 packages/qcow/qcow.0.13.0/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff' locally
docker.io/ocaml/opam@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff: Pulling from ocaml/opam
Digest: sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff
Status: Downloaded newer image for ocaml/opam@sha256:589d4f3ba5a7bf1d647cdf132cd4bc6a583b4538d1b4334807c7b1da0d552fff
2026-02-18 16:16.56 ---> using "f46092bc7b56a9f31907b011f3c0d41957ea0f32efdd7a78133da055f1da0eb1" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-18 16:16.56 ---> using "721083e6852b1c8bda67c55b3fee7aac0adf3b2bff6b9e8b4704089d244eb326" 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
2026-02-18 16:16.56 ---> using "b8398233573309da8aa13fbebc23c21de02a67c126d8f02d76fa7dc1b906fe18" 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=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       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
2026-02-18 16:16.56 ---> using "b09e99fc9a970a4f5fe04c40317a362fc4408b233bd7ec9021a2fe8ffb50471e" 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/"))
2026-02-18 16:16.56 ---> using "97b403595115866e973fdbe52aa6872016210a306c6f0d88aebaf7e553d05aff" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-18 16:16.57 ---> using "ed8d262c07da81c4cd7df2680269b4725f58cbcf8ccc7d532cfad3999e95f868" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-18 16:16.57 ---> using "c6950da0f6a149f097b5cb0c278e0e6198b08ea01695c3f8ead4d71da1454a65" 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 [99.5 kB]
- Fetched 190 kB in 0s (758 kB/s)
- Reading package lists...
- 
2026-02-18 16:16.57 ---> using "a0694435810f9adf3601f36b3e234972db1e5c5597ff4b57f9938b5e9cdd9db5" from cache

/home/opam: (run (shell "opam pin add -k version -yn qcow-tool.0.13.0 0.13.0"))
qcow-tool is now pinned to version 0.13.0
2026-02-18 16:16.57 ---> using "d32723d1938ea4710d850a59fcd0c3a731aa939c43e2f4fae8242d050a74f5cc" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall qcow-tool.0.13.0;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'qcow-tool.0.13.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
qcow-tool.0.13.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - qcow-tool >= 0.13.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - qcow-tool >= 0.13.0 -> unix-type-representations -> ocaml < 5.0.0 -> 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 = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - qcow-tool >= 0.13.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - qcow-tool >= 0.13.0 -> unix-type-representations -> ocaml < 5.0.0 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall qcow-tool.0.13.0;
        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-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'qcow-tool.0.13.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-02-18 16:17.21: Job failed: Failed: Build failed
2026-02-18 16:17.21: Log analysis:
2026-02-18 16:17.21: >>> 
No solution found, exiting
 (score = 100)
2026-02-18 16:17.21: [SKIP] Package not available