(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-10-ocaml-4.14/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-10-ocaml-4.14@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d
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-10\""; 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-10-ocaml-4.14@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d-conf-python-3.9.0.0-408cb884f1855ff33d5c4b904ad54843ed97f9c6"
2022-04-07 12:56.07: Using OBuilder spec:
((from ocaml/opam:debian-10-ocaml-4.14@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d)
 (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-10\\\"\"; 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 13:20.51: Waiting for worker...
2022-04-07 13:22.04: Got resource from pool OCluster
Building on m1-c.ocamllabs.io
All commits already cached
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Updating files: 100% (25409/25409), done.
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-10-ocaml-4.14@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d)
Unable to find image 'ocaml/opam:debian-10-ocaml-4.14@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d' locally
docker.io/ocaml/opam@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d: Pulling from ocaml/opam
b281ebec60d2: Pulling fs layer
e957a0cc8c54: Pulling fs layer
ef95f98faded: Pulling fs layer
b281ebec60d2: Download complete
b281ebec60d2: Pull complete
ef95f98faded: Verifying Checksum
ef95f98faded: Download complete
e957a0cc8c54: Download complete
e957a0cc8c54: Pull complete
ef95f98faded: Pull complete
Digest: sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d
Status: Downloaded newer image for ocaml/opam@sha256:4e665337210bd234a394a73726881a6d18afa577705b3832f43e2b977da0847d
2022-04-07 13:22.34 ---> using "431126b3b2ef8f66195f4028f3552a50e1c07382cd4aa0cd5b04a5d51e440c1a" 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/4.14.0.tar.gz (version 4.14.0)
Already up-to-date.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2022-04-07 13:22.34 ---> using "0b6dd779e8a56a65f8cba069774157e6e2797a487fd0355dba63652f61cf0ecd" from cache

/home/opam: (run (shell "opam repository remove -a multicore || true"))
[WARNING] No configured repositories by these names found: multicore
2022-04-07 13:22.34 ---> using "ffadcbff5839451e77ba61a8d733d600239290e2d03c13d609b745dee0305a1f" from cache

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.1 /usr/bin/opam"))
2022-04-07 13:22.34 ---> using "c4a8c165ab0690e9a6187e8c8afc120ee17f57ab52ebda2bc336168f6d2a9683" 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 13:22.34 ---> using "d3bddc1b9b666469d1a52d5ebf4a3cdc73c8056a5ce28d6ac35af447e8ade2d4" 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 13:22.34 ---> using "4e9f82191e5f00d302de3a934eb3eb9946a992aeeee07dd22344c8f390fb0f7d" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2022-04-07 13:22.47 ---> saved as "05ac38d436462b1cfd3cf08a4390747a5fd114039b7553070b3891e4094ba410"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2022-04-07 13:23.13 ---> saved as "1b1cc6083780d549612e6cb5605c2a2d14fc8982d13fca21a8a6a473d04177b0"

/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 13:23.14 ---> saved as "60e7f59a13b6c0008be5acef082263b3b8a097a5181046c024513151c5b3f3f2"

/home/opam: (run (network host)
                 (shell "opam update --depexts"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian buster InRelease
- Get:2 http://deb.debian.org/debian buster-updates InRelease [51.9 kB]
- Get:3 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB]
- Get:4 http://security.debian.org/debian-security buster/updates/main amd64 Packages [317 kB]
- Fetched 434 kB in 0s (916 kB/s)
- Reading package lists...
- 
2022-04-07 13:23.16 ---> saved as "b4ddd293343d53096127d80d133c24d9de2f1ece266f3bd406704cc09a3062e2"

/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-10\\\"\"; 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 libpython3.7-minimal:amd64.
- (Reading database ... 
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- Preparing to unpack .../libpython3.7-minimal_3.7.3-2+deb10u3_amd64.deb ...
- Unpacking libpython3.7-minimal:amd64 (3.7.3-2+deb10u3) ...
- Selecting previously unselected package python3.7-minimal.
- Preparing to unpack .../python3.7-minimal_3.7.3-2+deb10u3_amd64.deb ...
- Unpacking python3.7-minimal (3.7.3-2+deb10u3) ...
- Setting up libpython3.7-minimal:amd64 (3.7.3-2+deb10u3) ...
- Setting up python3.7-minimal (3.7.3-2+deb10u3) ...
- Selecting previously unselected package python3-minimal.
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(Reading database ... 17632 files and directories currently installed.)
- Preparing to unpack .../0-python3-minimal_3.7.3-1_amd64.deb ...
- Unpacking python3-minimal (3.7.3-1) ...
- Selecting previously unselected package mime-support.
- Preparing to unpack .../1-mime-support_3.62_all.deb ...
- Unpacking mime-support (3.62) ...
- Selecting previously unselected package libmpdec2:amd64.
- Preparing to unpack .../2-libmpdec2_2.4.2-2_amd64.deb ...
- Unpacking libmpdec2:amd64 (2.4.2-2) ...
- Selecting previously unselected package libpython3.7-stdlib:amd64.
- Preparing to unpack .../3-libpython3.7-stdlib_3.7.3-2+deb10u3_amd64.deb ...
- Unpacking libpython3.7-stdlib:amd64 (3.7.3-2+deb10u3) ...
- Selecting previously unselected package python3.7.
- Preparing to unpack .../4-python3.7_3.7.3-2+deb10u3_amd64.deb ...
- Unpacking python3.7 (3.7.3-2+deb10u3) ...
- Selecting previously unselected package libpython3-stdlib:amd64.
- Preparing to unpack .../5-libpython3-stdlib_3.7.3-1_amd64.deb ...
- Unpacking libpython3-stdlib:amd64 (3.7.3-1) ...
- Setting up python3-minimal (3.7.3-1) ...
- Selecting previously unselected package python3.
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(Reading database ... 18069 files and directories currently installed.)
- Preparing to unpack .../python3_3.7.3-1_amd64.deb ...
- Unpacking python3 (3.7.3-1) ...
- Selecting previously unselected package libmagic-mgc.
- Preparing to unpack .../libmagic-mgc_1%3a5.35-4+deb10u2_amd64.deb ...
- Unpacking libmagic-mgc (1:5.35-4+deb10u2) ...
- Selecting previously unselected package libmagic1:amd64.
- Preparing to unpack .../libmagic1_1%3a5.35-4+deb10u2_amd64.deb ...
- Unpacking libmagic1:amd64 (1:5.35-4+deb10u2) ...
- Selecting previously unselected package file.
- Preparing to unpack .../file_1%3a5.35-4+deb10u2_amd64.deb ...
- Unpacking file (1:5.35-4+deb10u2) ...
- Setting up mime-support (3.62) ...
- Setting up libmagic-mgc (1:5.35-4+deb10u2) ...
- Setting up libmagic1:amd64 (1:5.35-4+deb10u2) ...
- Setting up file (1:5.35-4+deb10u2) ...
- Setting up libmpdec2:amd64 (2.4.2-2) ...
- Setting up libpython3.7-stdlib:amd64 (3.7.3-2+deb10u3) ...
- Setting up libpython3-stdlib:amd64 (3.7.3-1) ...
- Setting up python3.7 (3.7.3-2+deb10u3) ...
- Setting up python3 (3.7.3-1) ...
- running python rtupdate hooks for python3.7...
- running python post-rtupdate hooks for python3.7...
- Processing triggers for libc-bin (2.28-10+deb10u1) ...

<><> 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/4.14/.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 13:23.54 ---> saved as "f69d9111aec018ba6fd42d8462db3fa83248e6b4ef9a194c077963291cbd232c"
Job succeeded
2022-04-07 13:24.17: Job succeeded