(for PR #21050)

2022-04-07 12:56.07: New job: build conf-python-3.9.0.0, using opam 2.1
                              from https://github.com/ocaml/opam-repository.git#refs/pull/21050/head (408cb884f1855ff33d5c4b904ad54843ed97f9c6)
                              on debian-11-ocaml-4.04/amd64

To reproduce locally:

git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/21050/head" && git reset --hard 408cb884
git fetch origin master
git merge 4d72a962379797389a56c9429260f356d6033ac7
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-11-ocaml-4.04@sha256:2cdce4ab3435e0aa4fb8aa29805163ce904fd942664c83dc937c61755e387b9d
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 conf-python-3.9.0.0 9.0.0
RUN opam update --depexts
RUN opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0; \
    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 12:56.07: Using cache hint "ocaml/opam:debian-11-ocaml-4.04@sha256:2cdce4ab3435e0aa4fb8aa29805163ce904fd942664c83dc937c61755e387b9d-conf-python-3.9.0.0-408cb884f1855ff33d5c4b904ad54843ed97f9c6"
2022-04-07 12:56.07: Using OBuilder spec:
((from ocaml/opam:debian-11-ocaml-4.04@sha256:2cdce4ab3435e0aa4fb8aa29805163ce904fd942664c83dc937c61755e387b9d)
 (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 conf-python-3.9.0.0 9.0.0"))
 (run (network host)
      (shell "opam update --depexts"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0;\
             \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        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 12:56.07: Waiting for resource in pool OCluster
2022-04-07 13:20.23: Waiting for worker...
2022-04-07 13:21.45: Got resource from pool OCluster
Building on x86-bm-5.ocamllabs.io
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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.
 .../conf-python-3.9.0.0/files/test.py              |  1 +
 packages/conf-python-3/conf-python-3.9.0.0/opam    | 33 ++++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 packages/conf-python-3/conf-python-3.9.0.0/files/test.py
 create mode 100644 packages/conf-python-3/conf-python-3.9.0.0/opam

(from ocaml/opam:debian-11-ocaml-4.04@sha256:2cdce4ab3435e0aa4fb8aa29805163ce904fd942664c83dc937c61755e387b9d)
2022-04-07 13:22.22 ---> using "fbd9bc263c93210e1fde33f85b124bdc9bb847af99d7aa3a482084513b39fac9" 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/4.04.2.tar.gz (version 4.04.2)
No package build needed.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:22.22 ---> using "8e7c86f730f0c8fd58be5fd6ef545b29a0dac3b11b7990644713dada370d016d" from cache

/home/opam: (run (shell "opam repository remove -a multicore || true"))
[WARNING] No configured repositories by these names found: multicore
2022-04-07 13:22.22 ---> using "beec92bfd2867936fb84f7496106bacc6aaaa05f9aad07da53c1f04b2db0d896" from cache

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
2022-04-07 13:22.22 ---> using "fb97bdf788a4e07554448d52ac99d732fdfe741da7d16c4c8d106429292340e6" 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 13:22.22 ---> using "f14d4c219e0ef8a361197836e10bcb52643f0b41cffb0b3f403f9716335e1102" 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 13:22.22 ---> using "ee86576aa6f6746ed435f99c0d12549d5b76eeae577ebfd7abff935f88fb9866" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2022-04-07 13:22.38 ---> saved as "ad19535413076a532dd72167c9b76d49a8fc3bbd753c0fd416ca05b1e046788d"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2022-04-07 13:23.07 ---> saved as "0d13ce480851a5c8c15484932b7b28f1622b8de15fb5188607b7a70be1de16d0"

/home/opam: (run (shell "opam pin add -k version -yn conf-python-3.9.0.0 9.0.0"))
conf-python-3 is now pinned to version 9.0.0
2022-04-07 13:23.10 ---> saved as "7753693df800e0e3d066ebeb309038fc8f5ff4341ef1899c1f9dc1c550e852d8"

/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 0s (480 kB/s)
- Reading package lists...
- 
2022-04-07 13:23.13 ---> saved as "b992d01edd29a5995cd707ca5b2a2ec07ffbbd92c2a07257bd57146cdc677f51"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam remove conf-python-3.9.0.0 && opam install --deps-only conf-python-3.9.0.0 && opam install -v conf-python-3.9.0.0;\
                        \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        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"))
Nothing to do.
[NOTE] conf-python-3.9.0.0 is not installed.

Nothing to do.
# Run eval $(opam env) to update the current shell environment
The following actions will be performed:
  - install conf-python-3 9.0.0*

The following system packages will first need to be installed:
    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" "python3"
- debconf: delaying package configuration, since apt-utils is not installed
- Selecting previously unselected package libpython3.9-minimal:amd64.
- (Reading database ... 
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(Reading database ... 18283 files and directories currently installed.)
- Preparing to unpack .../libpython3.9-minimal_3.9.2-1_amd64.deb ...
- Unpacking libpython3.9-minimal:amd64 (3.9.2-1) ...
- Selecting previously unselected package python3.9-minimal.
- Preparing to unpack .../python3.9-minimal_3.9.2-1_amd64.deb ...
- Unpacking python3.9-minimal (3.9.2-1) ...
- Setting up libpython3.9-minimal:amd64 (3.9.2-1) ...
- Setting up python3.9-minimal (3.9.2-1) ...
- Selecting previously unselected package python3-minimal.
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(Reading database ... 18568 files and directories currently installed.)
- Preparing to unpack .../0-python3-minimal_3.9.2-3_amd64.deb ...
- Unpacking python3-minimal (3.9.2-3) ...
- Selecting previously unselected package media-types.
- Preparing to unpack .../1-media-types_4.0.0_all.deb ...
- Unpacking media-types (4.0.0) ...
- Selecting previously unselected package libmpdec3:amd64.
- Preparing to unpack .../2-libmpdec3_2.5.1-1_amd64.deb ...
- Unpacking libmpdec3:amd64 (2.5.1-1) ...
- Selecting previously unselected package libpython3.9-stdlib:amd64.
- Preparing to unpack .../3-libpython3.9-stdlib_3.9.2-1_amd64.deb ...
- Unpacking libpython3.9-stdlib:amd64 (3.9.2-1) ...
- Selecting previously unselected package python3.9.
- Preparing to unpack .../4-python3.9_3.9.2-1_amd64.deb ...
- Unpacking python3.9 (3.9.2-1) ...
- Selecting previously unselected package libpython3-stdlib:amd64.
- Preparing to unpack .../5-libpython3-stdlib_3.9.2-3_amd64.deb ...
- Unpacking libpython3-stdlib:amd64 (3.9.2-3) ...
- Setting up python3-minimal (3.9.2-3) ...
- Selecting previously unselected package python3.
- (Reading database ... 
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(Reading database ... 18965 files and directories currently installed.)
- Preparing to unpack .../python3_3.9.2-3_amd64.deb ...
- Unpacking python3 (3.9.2-3) ...
- Setting up media-types (4.0.0) ...
- Setting up libmpdec3:amd64 (2.5.1-1) ...
- Setting up libpython3.9-stdlib:amd64 (3.9.2-1) ...
- Setting up libpython3-stdlib:amd64 (3.9.2-3) ...
- Setting up python3.9 (3.9.2-1) ...
- Setting up python3 (3.9.2-3) ...
- running python rtupdate hooks for python3.9...
- running python post-rtupdate hooks for python3.9...
- Processing triggers for libc-bin (2.31-13+deb11u3) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  2/3: [conf-python-3: python3 test.py]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "python3" "test.py" (CWD=/home/opam/.opam/4.04/.opam-switch/build/conf-python-3.9.0.0)
- python-3 OK
-> compiled  conf-python-3.9.0.0
-> installed conf-python-3.9.0.0
Done.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:23.52 ---> saved as "eebf37294317361d5466e34b7b1162aa35f8be8d1618ee566d9c195c7dd33f84"
Job succeeded
2022-04-07 13:24.19: Job succeeded