(for PR #27856)

2025-05-15 10:25.37: New job: build ocaml-unikraft-backend-firecracker-x86_64.0.18.0, using opam 2.1
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27856/head (b7f2900402f37475f1877086298b23e1320cc7ca)
                              on debian-12-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27856/head" && git reset --hard b7f29004
git fetch origin master
git merge --no-edit 19c8e74c010228407e25949e40cac8e17ab856a3
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:3244bdc5a8a334bd7c4f552ea00747039a9cec8c46437471b45bca4791eef453
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-unikraft-backend-firecracker-x86_64.0.18.0 0.18.0
RUN opam reinstall ocaml-unikraft-backend-firecracker-x86_64.0.18.0; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-unikraft-backend-firecracker-x86_64.0.18.0' && partial_fails="$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 10:25.37: Using cache hint "ocaml/opam:debian-12-ocaml-4.14@sha256:3244bdc5a8a334bd7c4f552ea00747039a9cec8c46437471b45bca4791eef453-ocaml-unikraft-backend-firecracker-x86_64.0.18.0-b7f2900402f37475f1877086298b23e1320cc7ca"
2025-05-15 10:25.37: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:3244bdc5a8a334bd7c4f552ea00747039a9cec8c46437471b45bca4791eef453)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.1 /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-firecracker-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-firecracker-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 \"\\\"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 \"$pkg\" != 'ocaml-unikraft-backend-firecracker-x86_64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-15 10:25.37: Connecting to build cluster…
2025-05-15 10:25.37: Waiting for resource in pool OCluster
2025-05-15 10:37.59: Waiting for worker…
2025-05-15 10:40.02: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
Updating files:  94% (21716/23053)
Updating files:  95% (21901/23053)
Updating files:  96% (22131/23053)
Updating files:  97% (22362/23053)
Updating files:  98% (22592/23053)
Updating files:  99% (22823/23053)
Updating files: 100% (23053/23053)
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@sha256:3244bdc5a8a334bd7c4f552ea00747039a9cec8c46437471b45bca4791eef453)
2025-05-15 10:41.53 ---> using "8fc05cdda16df548920c1f78c4fe559e1928343c0387f98662ad0cea1d69c1c6" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
2025-05-15 10:41.53 ---> using "1503f092aa5ace56ce22be566bd192929c973227ec7611f94351fe8138ce9f30" 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.

This development version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.1, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-05-15 10:41.53 ---> using "9b43b29e1a3a45212663c0c80c0d035f5270dcdd09fbdaaf75f9b43dcc45e952" 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         2.1.6 (263921263e1f745613e2882745114b7b08f3608b) 
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=12
# solver               builtin-0install
# install-criteria     
# upgrade-criteria     
# jobs                 39
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# 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 10:41.53 ---> using "79c16850973881764dcbaa9f45e8c90db6f040bcd8159ec9850e62411aa5ab8b" 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 10:41.53 ---> using "d4332c311b07f7c58de71b3897f7d118e13a87be59a93c74748935b37d6a242c" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-15 10:41.57 ---> saved as "b62b3b43c188e12caa05c7d8df340d1b139bfd95ee65e2afcacf69b5dbbab627"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-15 10:42.12 ---> saved as "84c83d394cf22a1784acac27b3d9be1c6917aadbd21e2e557e7c2f3d17c8d9e0"

/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 amd64 Packages [258 kB]
- Fetched 362 kB in 0s (928 kB/s)
- Reading package lists...
2025-05-15 10:42.14 ---> saved as "061d5f3bad277cf466138878ed86c6731bcab9059e2eff229f4b16176b045b5c"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-unikraft-backend-firecracker-x86_64.0.18.0 0.18.0"))
ocaml-unikraft-backend-firecracker-x86_64 is now pinned to version 0.18.0
2025-05-15 10:42.15 ---> saved as "d2f6dba330cfea09049149c0529c1f43865a4e58a22e62571a4ff012c5cf2674"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-unikraft-backend-firecracker-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 \"\\\"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 \"$pkg\" != 'ocaml-unikraft-backend-firecracker-x86_64.0.18.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-unikraft-backend-firecracker-x86_64.0.18.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
  - install conf-python-3                             9.0.0   [required by unikraft]
  - install conf-bison                                2       [required by unikraft]
  - install conf-flex                                 2       [required by unikraft]
  - install unikraft-musl                             0.18.0  [required by ocaml-unikraft-backend-firecracker-x86_64]
  - install unikraft                                  0.18.0  [required by ocaml-unikraft-backend-firecracker-x86_64]
  - install ocaml-unikraft-backend-firecracker-x86_64 0.18.0*
===== 6 to install =====

The following system packages will first need to be installed:
    bison flex python3

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>
Let opam run your package manager to install the required system packages?
(answer 'n' for other options) [Y/n] y
+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "bison" "flex" "python3"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package m4.
- (Reading database ... 
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(Reading database ... 18747 files and directories currently installed.)
- Preparing to unpack .../archives/m4_1.4.19-3_amd64.deb ...
- Unpacking m4 (1.4.19-3) ...
- Selecting previously unselected package flex.
- Preparing to unpack .../flex_2.6.4-8.2_amd64.deb ...
- Unpacking flex (2.6.4-8.2) ...
- Selecting previously unselected package libpython3.11-minimal:amd64.
- Preparing to unpack .../libpython3.11-minimal_3.11.2-6+deb12u5_amd64.deb ...
- Unpacking libpython3.11-minimal:amd64 (3.11.2-6+deb12u5) ...
- Selecting previously unselected package python3.11-minimal.
- Preparing to unpack .../python3.11-minimal_3.11.2-6+deb12u5_amd64.deb ...
- Unpacking python3.11-minimal (3.11.2-6+deb12u5) ...
- Setting up libpython3.11-minimal:amd64 (3.11.2-6+deb12u5) ...
- Setting up python3.11-minimal (3.11.2-6+deb12u5) ...
- Selecting previously unselected package python3-minimal.
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(Reading database ... 19236 files and directories currently installed.)
- Preparing to unpack .../python3-minimal_3.11.2-1+b1_amd64.deb ...
- Unpacking python3-minimal (3.11.2-1+b1) ...
- Selecting previously unselected package media-types.
- Preparing to unpack .../media-types_10.0.0_all.deb ...
- Unpacking media-types (10.0.0) ...
- Selecting previously unselected package libpython3.11-stdlib:amd64.
- Preparing to unpack .../libpython3.11-stdlib_3.11.2-6+deb12u5_amd64.deb ...
- Unpacking libpython3.11-stdlib:amd64 (3.11.2-6+deb12u5) ...
- Selecting previously unselected package python3.11.
- Preparing to unpack .../python3.11_3.11.2-6+deb12u5_amd64.deb ...
- Unpacking python3.11 (3.11.2-6+deb12u5) ...
- Selecting previously unselected package libpython3-stdlib:amd64.
- Preparing to unpack .../libpython3-stdlib_3.11.2-1+b1_amd64.deb ...
- Unpacking libpython3-stdlib:amd64 (3.11.2-1+b1) ...
- Setting up python3-minimal (3.11.2-1+b1) ...
- Selecting previously unselected package python3.
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(Reading database ... 19646 files and directories currently installed.)
- Preparing to unpack .../python3_3.11.2-1+b1_amd64.deb ...
- Unpacking python3 (3.11.2-1+b1) ...
- Selecting previously unselected package bison.
- Preparing to unpack .../bison_2%3a3.8.2+dfsg-1+b1_amd64.deb ...
- Unpacking bison (2:3.8.2+dfsg-1+b1) ...
- Selecting previously unselected package libfl2:amd64.
- Preparing to unpack .../libfl2_2.6.4-8.2_amd64.deb ...
- Unpacking libfl2:amd64 (2.6.4-8.2) ...
- Selecting previously unselected package libfl-dev:amd64.
- Preparing to unpack .../libfl-dev_2.6.4-8.2_amd64.deb ...
- Unpacking libfl-dev:amd64 (2.6.4-8.2) ...
- Setting up media-types (10.0.0) ...
- Setting up libpython3.11-stdlib:amd64 (3.11.2-6+deb12u5) ...
- Setting up m4 (1.4.19-3) ...
- Setting up libfl2:amd64 (2.6.4-8.2) ...
- Setting up bison (2:3.8.2+dfsg-1+b1) ...
- update-alternatives: using /usr/bin/bison.yacc to provide /usr/bin/yacc (yacc) in auto mode
- Setting up libpython3-stdlib:amd64 (3.11.2-1+b1) ...
- Setting up python3.11 (3.11.2-6+deb12u5) ...
- Setting up flex (2.6.4-8.2) ...
- Setting up python3 (3.11.2-1+b1) ...
- running python rtupdate hooks for python3.11...
- running python post-rtupdate hooks for python3.11...
- Setting up libfl-dev:amd64 (2.6.4-8.2) ...
- Processing triggers for libc-bin (2.36-9+deb12u10) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved conf-python-3.9.0.0  (cached)
-> retrieved ocaml-unikraft-backend-firecracker-x86_64.0.18.0  (cached)
-> installed conf-bison.2
-> installed conf-flex.2
-> installed conf-python-3.9.0.0
-> retrieved unikraft.0.18.0  (cached)
-> retrieved unikraft-musl.0.18.0  (cached)
-> installed unikraft.0.18.0
-> installed unikraft-musl.0.18.0
-> installed ocaml-unikraft-backend-firecracker-x86_64.0.18.0
Done.
# Run eval $(opam env) to update the current shell environment
2025-05-15 10:42.57 ---> saved as "e69b1f4f2ead6d4e6068f25d3139d2cb5826adf85a187e00902bfcf8bb8dc1f0"
Job succeeded
2025-05-15 10:43.05: Job succeeded