(for PR #27856)

2025-05-15 10:25.38: New job: build ocaml-unikraft-toolchain-arm64.0.18.0, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27856/head (b7f2900402f37475f1877086298b23e1320cc7ca)
                              on debian-12-ocaml-4.14/arm32v7

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27856/head" && git reset --hard b7f29004
git fetch origin master
git merge --no-edit 19c8e74c010228407e25949e40cac8e17ab856a3
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-unikraft-toolchain-arm64.0.18.0 0.18.0
RUN opam reinstall ocaml-unikraft-toolchain-arm64.0.18.0; \
    res=$?; \
    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 "$pkg" != 'ocaml-unikraft-toolchain-arm64.0.18.0' && partial_fails="$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 .

2025-05-15 10:25.38: Using cache hint "ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b-ocaml-unikraft-toolchain-arm64.0.18.0-b7f2900402f37475f1877086298b23e1320cc7ca"
2025-05-15 10:25.38: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b)
 (shell /usr/bin/linux32 /bin/sh -c)
 (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-toolchain-arm64.0.18.0 0.18.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml-unikraft-toolchain-arm64.0.18.0;\
             \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 \"$pkg\" != 'ocaml-unikraft-toolchain-arm64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-15 10:25.38: Connecting to build cluster…
2025-05-15 10:25.38: Waiting for resource in pool OCluster
2025-05-15 10:37.54: Waiting for worker…
2025-05-15 10:40.11: Got resource from pool OCluster
Building on molpadia.caelum.ci.dev
All commits already cached
Updating files:  80% (18538/23053)
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Updating files: 100% (23053/23053), done.
HEAD is now at 19c8e74c01 Merge pull request #27876 from hannesm/release-happy-eyeballs-v2.0.1
Merge made by the 'ort' strategy.
 .../conf-aarch64-linux-gnu-gcc.1/opam              | 20 +++++++++++
 .../conf-x86_64-linux-gnu-gcc.1/opam               | 20 +++++++++++
 .../ocaml-unikraft-arm64.1.0.0/opam                | 42 ++++++++++++++++++++++
 .../opam                                           | 39 ++++++++++++++++++++
 .../opam                                           | 39 ++++++++++++++++++++
 .../ocaml-unikraft-backend-firecracker.0.18.0/opam | 19 ++++++++++
 .../ocaml-unikraft-backend-qemu-arm64.0.18.0/opam  | 39 ++++++++++++++++++++
 .../ocaml-unikraft-backend-qemu-x86_64.0.18.0/opam | 39 ++++++++++++++++++++
 .../ocaml-unikraft-backend-qemu.0.18.0/opam        | 19 ++++++++++
 .../ocaml-unikraft-default-arm64.1.0.0/opam        | 25 +++++++++++++
 .../ocaml-unikraft-default-x86_64.1.0.0/opam       | 25 +++++++++++++
 .../ocaml-unikraft-option-debug.0.18.0/opam        | 12 +++++++
 .../ocaml-unikraft-toolchain-arm64.0.18.0/opam     | 33 +++++++++++++++++
 .../ocaml-unikraft-toolchain-x86_64.0.18.0/opam    | 33 +++++++++++++++++
 .../ocaml-unikraft-x86_64.1.0.0/opam               | 42 ++++++++++++++++++++++
 packages/ocaml-unikraft/ocaml-unikraft.1.0.0/opam  | 15 ++++++++
 packages/unikraft-musl/unikraft-musl.0.18.0/opam   | 26 ++++++++++++++
 packages/unikraft/unikraft.0.18.0/opam             | 30 ++++++++++++++++
 18 files changed, 517 insertions(+)
 create mode 100644 packages/conf-aarch64-linux-gnu-gcc/conf-aarch64-linux-gnu-gcc.1/opam
 create mode 100644 packages/conf-x86_64-linux-gnu-gcc/conf-x86_64-linux-gnu-gcc.1/opam
 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-musl/unikraft-musl.0.18.0/opam
 create mode 100644 packages/unikraft/unikraft.0.18.0/opam

(from ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b' locally
docker.io/ocaml/opam@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b: Pulling from ocaml/opam
5a64641236c0: Pulling fs layer
5a64641236c0: Verifying Checksum
5a64641236c0: Download complete
5a64641236c0: Pull complete
Digest: sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
Status: Downloaded newer image for ocaml/opam@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
WARNING: The requested image's platform (linux/arm/v7) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
2025-05-15 10:40.17 ---> using "fbe3507ddfb49174807fb3b5ec2c92e2ca5df35a1a8d51ef85d3c3a7b9384458" from cache

/: (shell /usr/bin/linux32 /bin/sh -c)

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-05-15 10:40.17 ---> using "9edbae2666f0971f27724779222f87578cbf9f5c891082368a4ac577959d7131" 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
2025-05-15 10:40.17 ---> using "066a228710f371f1f0d397c40fd6d1717c7e45288abc7999ba1e6479fc563e90" 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=arm32 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                 79
# 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
2025-05-15 10:40.17 ---> using "51ba2541cb875a44a724457de43c24635c4d55ca9356e1d7928fa471e5b222b7" 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/"))
2025-05-15 10:40.17 ---> using "2d38bfd0c43ed5d68716a72a555910e7bb22e121be3c2c3ab01c2be1a408c3d1" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-15 10:40.18 ---> using "e081388379a7701dbdacdff393aedd444760f1ed376662af0bda6c00429db6f0" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-15 10:40.18 ---> using "7163c5f34a6d9244c6c90d60e415aca68084566fef50c586f0b44bc4672e5cbb" 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 armhf Packages [240 kB]
- Fetched 344 kB in 1s (678 kB/s)
- Reading package lists...
- 
2025-05-15 10:40.18 ---> using "f5f288f37b6a0195cecc29408df0106dc9e68bc3f939fcbc6d67cb71134944b0" from cache

/home/opam: (run (shell "opam pin add -k version -yn ocaml-unikraft-toolchain-arm64.0.18.0 0.18.0"))
ocaml-unikraft-toolchain-arm64 is now pinned to version 0.18.0
2025-05-15 10:40.18 ---> using "2740f824cf252761c433f928a4af38cc03b4902acdb70128240fdb220108c800" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-unikraft-toolchain-arm64.0.18.0;\
                        \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 \"$pkg\" != 'ocaml-unikraft-toolchain-arm64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-unikraft-toolchain-arm64.0.18.0 is not installed. Install it? [y/n] y
  * Missing dependency:
    - ocaml-unikraft-toolchain-arm64 -> ocaml-unikraft-backend-firecracker-arm64 -> unikraft
    unmet availability conditions: 'os = "linux" & (arch = "arm64" | arch = "x86_64" | arch = "s390x" | arch = "riscv64" | arch = "ppc64")'
  * Missing dependency:
    - ocaml-unikraft-toolchain-arm64 -> ocaml-unikraft-backend-qemu-arm64 -> unikraft
    unmet availability conditions: 'os = "linux" & (arch = "arm64" | arch = "x86_64" | arch = "s390x" | arch = "riscv64" | arch = "ppc64")'

No solution found, exiting
"/usr/bin/linux32" "/bin/sh" "-c" "opam reinstall ocaml-unikraft-toolchain-arm64.0.18.0;
        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 "$pkg" != 'ocaml-unikraft-toolchain-arm64.0.18.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-05-15 10:40.32: Job failed: Failed: Build failed
2025-05-15 10:40.32: Log analysis:
2025-05-15 10:40.32: >>> 
No solution found, exiting
 (score = 100)
2025-05-15 10:40.32: [SKIP] Package not available