(for PR #27856)

2025-05-15 09:58.37: New job: build ocaml-unikraft-backend-qemu-x86_64.0.18.0, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27856/head (b7f2900402f37475f1877086298b23e1320cc7ca)
                              on freebsd-14.2-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27856/head" && git reset --hard b7f29004
git fetch origin master
git merge --no-edit 19c8e74c010228407e25949e40cac8e17ab856a3
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM freebsd-14.2-ocaml-4.14
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/local/bin/opam-2.3 /usr/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-unikraft-backend-qemu-x86_64.0.18.0 0.18.0
RUN opam reinstall ocaml-unikraft-backend-qemu-x86_64.0.18.0; \
    res=$?; \
    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 "\"freebsd-14.2\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-unikraft-backend-qemu-x86_64.0.18.0' && partial_fails="$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 09:58.37: Using cache hint "freebsd-14.2-ocaml-4.14-ocaml-unikraft-backend-qemu-x86_64.0.18.0-b7f2900402f37475f1877086298b23e1320cc7ca"
2025-05-15 09:58.37: Using OBuilder spec:
((from freebsd-14.2-ocaml-4.14)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/local/bin/opam-2.3 /usr/local/bin/opam"))
 (run (network host)
      (shell "opam init --reinit -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-x86_64.0.18.0 0.18.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml-unikraft-backend-qemu-x86_64.0.18.0;\
             \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 \"\\\"freebsd-14.2\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml-unikraft-backend-qemu-x86_64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-15 09:58.37: Waiting for resource in pool OCluster
2025-05-15 09:58.39: Waiting for worker…
2025-05-15 10:01.56: Got resource from pool OCluster
Building on rosemary
All commits already cached
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 freebsd-14.2-ocaml-4.14)
2025-05-15 10:02.54 ---> using "e232d73c9161ea3ff94ff4ae2b5a6983da9a9ca98d5185b2db1dbadeae5228e2" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/local/bin/opam-2.3 /usr/local/bin/opam"))
2025-05-15 10:02.55 ---> using "698738b249126649bc97df7d564b453315c0207de5ea5929e2120f75e5155303" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit -ni"))
No configuration file found, using 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.

This version of opam requires an update to the layout of /home/opam/.opam from version 2.1 to version 2.2, which can't be reverted.
You may want to back it up before going further.

Continue? [y/n] y
[NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=1 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///home/opam/opam-repository
2025-05-15 10:02.55 ---> using "f9daa6feb9014dd38c98bfbbdfe2c1fc64372cc0719557828cdfcdc28fe3d73d" 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
# self-upgrade         no
# system               arch=x86_64 os=freebsd os-distribution=freebsd os-version=1402000
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 39
# repositories         1 (version-controlled)
# pinned               0
# current-switch       4.14.2
# invariant            ["ocaml-base-compiler" {= "4.14.2"} | "ocaml-system" {= "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/4.14.2/lib/ocaml/stublibs:/home/opam/.opam/4.14.2/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.14.2
2025-05-15 10:02.55 ---> using "5de1f2e08491d62d453d16f15b85de34586171b254a1978fb7ec5420310b83bd" 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 10:02.56 ---> using "fc318c3f78668584159074c0031bc8d75918816c5708e7f589955a28f4423032" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-15 10:02.58 ---> using "bf4bd8b29ac6e0900e43184aefa7b129881f131399c37f77940cb90a73dc67f9" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-15 10:02.58 ---> using "14fe8f489543af2e2373421e316f40b98692c4db33c7eb2bc2aec93d79ab8bbd" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
[WARNING] Unknown update command for bsd, skipping system update
2025-05-15 10:02.58 ---> using "5cec72fff9f771cc262f528f67eee0616aef462e315271edb3e1251221641a4e" from cache

/home/opam: (run (shell "opam pin add -k version -yn ocaml-unikraft-backend-qemu-x86_64.0.18.0 0.18.0"))
ocaml-unikraft-backend-qemu-x86_64 is now pinned to version 0.18.0
2025-05-15 10:03.00 ---> saved as "6cf6b5b9d3e3b4277425540699c58c78b92ddf286c9047477c50f69cddfe4127"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-unikraft-backend-qemu-x86_64.0.18.0;\
                        \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 \"\\\"freebsd-14.2\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml-unikraft-backend-qemu-x86_64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
[ERROR] ocaml-unikraft-backend-qemu-x86_64 = 0.18.0: unmet availability conditions: 'os = "linux"'
jail: /usr/bin/su -l opam -c cd '/home/opam' && env OPAM_REPO_CI='true' CI='true' OPAMPRECISETRACKING='1' OPAMERRLOGLEN='0' OPAMDOWNLOADJOBS='1' '/usr/bin/env' 'bash' '-c' 'opam reinstall ocaml-unikraft-backend-qemu-x86_64.0.18.0;
        res=$?;
        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 "\"freebsd-14.2\""; then
            echo "A package failed and has been disabled for CI using the '\''x-ci-accept-failures'\'' field.";
          fi;
          test "$pkg" != '\''ocaml-unikraft-backend-qemu-x86_64.0.18.0'\'' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1': failed
"jail" "-c" "name=obuilder_89637_5219" "mount.fstab=/tmp/obuilder-jail-46db7d/fstab" "mount.devfs" "path=/obuilder/result/3488e6e28e3c474ed5e4052fd638680a15a00b324c3d7e895c27898bd555ba57/rootfs" "host=inherit" "ip6=inherit" "ip4=inherit" "command=/usr/bin/su" "-l" "opam" "-c" "cd '/home/opam' && env OPAM_REPO_CI='true' CI='true' OPAMPRECISETRACKING='1' OPAMERRLOGLEN='0' OPAMDOWNLOADJOBS='1' '/usr/bin/env' 'bash' '-c' 'opam reinstall ocaml-unikraft-backend-qemu-x86_64.0.18.0;
        res=$?;
        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 "\"freebsd-14.2\""; then
            echo "A package failed and has been disabled for CI using the '\''x-ci-accept-failures'\'' field.";
          fi;
          test "$pkg" != '\''ocaml-unikraft-backend-qemu-x86_64.0.18.0'\'' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1'" failed with exit status 1
2025-05-15 10:03.36: Job failed: Failed: Build failed
2025-05-15 10:03.36: Log analysis:
2025-05-15 10:03.36: >>> 
[ERROR] ocaml-unikraft-backend-qemu-x86_64 = 0.18.0: unmet availability conditions: 'os = "linux"'
 (score = 100)
2025-05-15 10:03.36: [SKIP] Package not available