(for PR #21122)

2022-04-07 12:54.47: New job: build mirage-block-ccm.1.0.2, using opam 2.1
                              from https://github.com/ocaml/opam-repository.git#refs/pull/21122/head (854464dcb0d584c0d9a7b6cbdf5b33d0d390d5b6)
                              on debian-11-ocaml-4.05/amd64

To reproduce locally:

git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/21122/head" && git reset --hard 854464dc
git fetch origin master
git merge 4d72a962379797389a56c9429260f356d6033ac7
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-11-ocaml-4.05@sha256:c9b37cc3523ed5432f25604d40ce45385ef408f0e83d11d10a6cea2a221ba1d2
USER 1000:1000
WORKDIR /home/opam
RUN for pkg in $(opam pin list --short); do opam pin remove "$pkg"; done
RUN opam repository remove -a multicore || true
RUN sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam
RUN opam init --reinit -ni
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMSOLVERTIMEOUT="500"
ENV OPAMPRECISETRACKING="1"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam pin add -k version -yn mirage-block-ccm.1.0.2 1.0.2
RUN opam update --depexts
RUN opam remove mirage-block-ccm.1.0.2 && opam install --deps-only mirage-block-ccm.1.0.2 && opam install -v mirage-block-ccm.1.0.2; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-11\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    done; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2022-04-07 12:54.47: Using cache hint "ocaml/opam:debian-11-ocaml-4.05@sha256:c9b37cc3523ed5432f25604d40ce45385ef408f0e83d11d10a6cea2a221ba1d2-mirage-block-ccm.1.0.2-854464dcb0d584c0d9a7b6cbdf5b33d0d390d5b6"
2022-04-07 12:54.47: Using OBuilder spec:
((from ocaml/opam:debian-11-ocaml-4.05@sha256:c9b37cc3523ed5432f25604d40ce45385ef408f0e83d11d10a6cea2a221ba1d2)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "for pkg in $(opam pin list --short); do opam pin remove \"$pkg\"; done"))
 (run (shell "opam repository remove -a multicore || true"))
 (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
 (run (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMSOLVERTIMEOUT 500)
 (env OPAMPRECISETRACKING 1)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url --strict default opam-repository/"))
 (run (shell "opam pin add -k version -yn mirage-block-ccm.1.0.2 1.0.2"))
 (run (network host)
      (shell "opam update --depexts"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam remove mirage-block-ccm.1.0.2 && opam install --deps-only mirage-block-ccm.1.0.2 && opam install -v mirage-block-ccm.1.0.2;\
             \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        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-11\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n        done;\
             \n        exit 1"))
)

2022-04-07 12:54.47: Waiting for resource in pool OCluster
2022-04-07 13:17.30: Waiting for worker...
2022-04-07 13:19.36: Got resource from pool OCluster
Building on pima.ocamllabs.io
All commits already cached
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HEAD is now at 4d72a96237 Merge pull request #21082 from zoggy/opam-publish-chamo.3.0
Merge made by the 'recursive' strategy.
 .../mirage-block-ccm/mirage-block-ccm.1.0.2/opam   | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 packages/mirage-block-ccm/mirage-block-ccm.1.0.2/opam

(from ocaml/opam:debian-11-ocaml-4.05@sha256:c9b37cc3523ed5432f25604d40ce45385ef408f0e83d11d10a6cea2a221ba1d2)
2022-04-07 13:24.18 ---> using "6ec8166aa5c12f8bc44c9d46502ebd309bea73a8e070446844fefe59f0ec2dd3" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "for pkg in $(opam pin list --short); do opam pin remove \"$pkg\"; done"))
Ok, ocaml-base-compiler is no longer pinned to https://github.com/ocaml/ocaml/archive/4.05.0.tar.gz (version 4.05.0)
No package build needed.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:24.18 ---> using "5c3c87d9f4c1810a07a9e7364a2eda66f6c7eb45dc48c423b05f381196d5ede4" from cache

/home/opam: (run (shell "opam repository remove -a multicore || true"))
[WARNING] No configured repositories by these names found: multicore
2022-04-07 13:24.18 ---> using "48054e30b278cee53d2a6261c60c0f36d7b84a9948f93b8d608b901a7202ab72" from cache

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
2022-04-07 13:24.18 ---> using "04bbf7b5107b3939180f3a3040e3f325b1aea5d3634cdac206bb3d4965852fcc" from cache

/home/opam: (run (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] synchronised from file:///home/opam/opam-repository
2022-04-07 13:24.18 ---> using "e71cdf84c6b532c5bcb7f779ff855446dc4ed33fb8307aec567b6eeb41bb973d" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMSOLVERTIMEOUT 500)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (run (shell "rm -rf opam-repository/"))
2022-04-07 13:24.18 ---> using "816c63cae5d3bcc70501121eb69449c3ee4f5770f0decf403676e8a4f2cabc94" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2022-04-07 13:24.40 ---> saved as "717981b3bcded8534ae8a597e6532094e27b3119fa7641127e943a6defca3d86"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2022-04-07 13:25.15 ---> saved as "2ef8fdbe89c921d6ea8bb7aa6e30f0290cce2c3666e23f95e6f91d905dc56a17"

/home/opam: (run (shell "opam pin add -k version -yn mirage-block-ccm.1.0.2 1.0.2"))
mirage-block-ccm is now pinned to version 1.0.2
2022-04-07 13:25.18 ---> saved as "28e02fb4883cf8a3a801690c4346760128b1e2fefebc943e8bbe6ec97746920c"

/home/opam: (run (network host)
                 (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bullseye InRelease
- Get:2 http://deb.debian.org/debian bullseye-updates InRelease [39.4 kB]
- Get:3 http://security.debian.org/debian-security bullseye-security InRelease [44.1 kB]
- Get:4 http://security.debian.org/debian-security bullseye-security/main amd64 Packages [124 kB]
- Fetched 207 kB in 1s (374 kB/s)
- Reading package lists...
- 
2022-04-07 13:25.25 ---> saved as "463d1e2dd28e085e3db10250c8acdd52375b1d22761111364baa44234a969344"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam remove mirage-block-ccm.1.0.2 && opam install --deps-only mirage-block-ccm.1.0.2 && opam install -v mirage-block-ccm.1.0.2;\
                        \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        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-11\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n        done;\
                        \n        exit 1"))
[NOTE] mirage-block-ccm.1.0.2 is not installed.

Nothing to do.
[ERROR] Package conflict!
No solution found, exiting
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.05.0 -> ocaml = 4.05.0
    - mirage-block-ccm >= 1.0.2 -> ocaml >= 4.08.0
    You can temporarily relax the switch invariant with `--update-invariant'

"/bin/bash" "-c"
"opam remove mirage-block-ccm.1.0.2 && opam install --deps-only mirage-block-ccm.1.0.2 && opam install -v mirage-block-ccm.1.0.2;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-11\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
        done;
        exit 1" failed with exit status 20
2022-04-07 13:27.30: Job failed: Failed: Build failed
2022-04-07 13:27.30: Log analysis:
2022-04-07 13:27.30: >>> 
[ERROR] Package conflict!
 (score = 100)
2022-04-07 13:27.30: [SKIP] Package not available