(not at the head of any monitored branch or PR)
2025-05-06 18:08.07: New job: build ocaml-unikraft-backend-qemu.0.18.0, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27856/head (232285450638d122b7441a6f42923184e4a1835b)
                              on debian-12-ocaml-4.14/s390x

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27856/head" && git reset --hard 23228545
git fetch origin master
git merge --no-edit 8ae853b39e5c409b481d0d5d9318e0d8e6eee41d
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-unikraft-backend-qemu.0.18.0 0.18.0
RUN opam reinstall ocaml-unikraft-backend-qemu.0.18.0; \
    res=$?; \
    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 "$pkg" != 'ocaml-unikraft-backend-qemu.0.18.0' && partial_fails="$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 .

2025-05-06 18:08.07: Using cache hint "ocaml/opam:debian-12-ocaml-4.14@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c-ocaml-unikraft-backend-qemu.0.18.0-232285450638d122b7441a6f42923184e4a1835b"
2025-05-06 18:08.07: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.3 /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-unikraft-backend-qemu.0.18.0 0.18.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml-unikraft-backend-qemu.0.18.0;\
             \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 \"$pkg\" != 'ocaml-unikraft-backend-qemu.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-06 18:08.07: Waiting for resource in pool OCluster
2025-05-06 18:08.09: Waiting for worker…
2025-05-06 18:30.20: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
All commits already cached
HEAD is now at 8ae853b39e Merge pull request #27847 from yallop/charset-0.2.0
Updating 8ae853b39e..2322854506
Fast-forward
 .../ocaml-unikraft-arm64.1.0.0/opam                | 40 +++++++++++++
 .../opam                                           | 68 ++++++++++++++++++++++
 .../opam                                           | 67 +++++++++++++++++++++
 .../ocaml-unikraft-backend-firecracker.0.18.0/opam | 18 ++++++
 .../ocaml-unikraft-backend-qemu-arm64.0.18.0/opam  | 68 ++++++++++++++++++++++
 .../ocaml-unikraft-backend-qemu-x86_64.0.18.0/opam | 67 +++++++++++++++++++++
 .../ocaml-unikraft-backend-qemu.0.18.0/opam        | 18 ++++++
 .../ocaml-unikraft-default-arm64.1.0.0/opam        | 24 ++++++++
 .../ocaml-unikraft-default-x86_64.1.0.0/opam       | 24 ++++++++
 .../ocaml-unikraft-option-debug.0.18.0/opam        | 11 ++++
 .../ocaml-unikraft-toolchain-arm64.0.18.0/opam     | 32 ++++++++++
 .../ocaml-unikraft-toolchain-x86_64.0.18.0/opam    | 32 ++++++++++
 .../ocaml-unikraft-x86_64.1.0.0/opam               | 40 +++++++++++++
 packages/ocaml-unikraft/ocaml-unikraft.1.0.0/opam  | 14 +++++
 packages/unikraft/unikraft.0.18.0/opam             | 40 +++++++++++++
 15 files changed, 563 insertions(+)
 create mode 100644 packages/ocaml-unikraft-arm64/ocaml-unikraft-arm64.1.0.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-firecracker-arm64/ocaml-unikraft-backend-firecracker-arm64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-firecracker-x86_64/ocaml-unikraft-backend-firecracker-x86_64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-firecracker/ocaml-unikraft-backend-firecracker.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-qemu-arm64/ocaml-unikraft-backend-qemu-arm64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-qemu-x86_64/ocaml-unikraft-backend-qemu-x86_64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-backend-qemu/ocaml-unikraft-backend-qemu.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-default-arm64/ocaml-unikraft-default-arm64.1.0.0/opam
 create mode 100644 packages/ocaml-unikraft-default-x86_64/ocaml-unikraft-default-x86_64.1.0.0/opam
 create mode 100644 packages/ocaml-unikraft-option-debug/ocaml-unikraft-option-debug.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-toolchain-arm64/ocaml-unikraft-toolchain-arm64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-toolchain-x86_64/ocaml-unikraft-toolchain-x86_64.0.18.0/opam
 create mode 100644 packages/ocaml-unikraft-x86_64/ocaml-unikraft-x86_64.1.0.0/opam
 create mode 100644 packages/ocaml-unikraft/ocaml-unikraft.1.0.0/opam
 create mode 100644 packages/unikraft/unikraft.0.18.0/opam

(from ocaml/opam:debian-12-ocaml-4.14@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c' locally
docker.io/ocaml/opam@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c: Pulling from ocaml/opam
Digest: sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c
Status: Downloaded newer image for ocaml/opam@sha256:e8d764439f059c0be254641f4af746346e7f337f46cbc49c8094e394f4218e9c
2025-05-06 18:30.21 ---> using "b63af76b3f2b491d46107198fd13599163479dc8e871670bf0232f4b3a285859" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-05-06 18:30.21 ---> using "91716607a3f6c3548176566d7593b2df01b9153050b6f7d8d7f3c0caf1c0d5e4" 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 development 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
2025-05-06 18:30.21 ---> using "550cd7f84e35e12756326bfc881903fee4f143d859ebcc088d58f8b8f91eed91" 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         2.3.0 (35acd0c5abc5e66cdbd5be16ba77aa6c33a4c724)
# self-upgrade         no
# system               arch=s390x 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                 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
2025-05-06 18:30.21 ---> using "218d76420438f27ac3a32e097a3ab71c50931ee0dea55bdb5a7b6872b089d41b" 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/"))
2025-05-06 18:30.21 ---> using "beef5dede65b5c92733412ce1d1a421b404a0b3ec458422ea2ddc39208b76c22" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-06 18:30.22 ---> using "5275d5c42a4a94bfd024a344dea310b2eb4ff952be0224c7e21cc2ef905c95fd" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-06 18:30.22 ---> using "66a413412b3e56a4d89265c01ab06f8f1dcc393ebfc36878e0373590db35e7d4" 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 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 s390x Packages [227 kB]
- Fetched 330 kB in 1s (347 kB/s)
- Reading package lists...
- 
2025-05-06 18:30.22 ---> using "bf11dae1adf7f6a4e1d1757adc2d7891b09f969e8582d816d01d664871b940c5" from cache

/home/opam: (run (shell "opam pin add -k version -yn ocaml-unikraft-backend-qemu.0.18.0 0.18.0"))
ocaml-unikraft-backend-qemu is now pinned to version 0.18.0
2025-05-06 18:30.32 ---> saved as "b0cb4c4dc8308c1320f11c58c9aba374a892c7ca78ffcf7dd40ac4e3c430ea86"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-unikraft-backend-qemu.0.18.0;\
                        \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 \"$pkg\" != 'ocaml-unikraft-backend-qemu.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-unikraft-backend-qemu.0.18.0 is not installed. Install it? [y/n] y
  * Missing dependency:
    - ocaml-unikraft-backend-qemu -> ocaml-unikraft-backend-qemu-arm64 | ocaml-unikraft-backend-qemu-x86_64
    depends on the unavailable system package 'gcc-aarch64-linux-gnu'. Use `--no-depexts' to attempt installation anyway, or it is possible that a depext package name in the opam file is incorrect.
    depends on the unavailable system package 'gcc-x86_64-linux-gnu'. Use `--no-depexts' to attempt installation anyway, or it is possible that a depext package name in the opam file is incorrect.

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall ocaml-unikraft-backend-qemu.0.18.0;
        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 "$pkg" != 'ocaml-unikraft-backend-qemu.0.18.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-05-06 18:31.01: Job failed: Failed: Build failed
2025-05-06 18:31.01: Log analysis:
2025-05-06 18:31.01: >>> 
No solution found, exiting
 (score = 100)
2025-05-06 18:31.01: [SKIP] Package not available