(not at the head of any monitored branch or PR)
2026-03-21 18:50.20: New job: test pyml.20220615 with conf-m4.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29579/head (e26ca330660bcb49f8bb8e3d37703d278be8c4bd)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29579/head" && git reset --hard e26ca330
git fetch origin master
git merge --no-edit 76bf2ed9443fdee37e6f046c6295d358be3f8598
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn conf-m4.1 1
RUN opam reinstall conf-m4.1; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'conf-m4.1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall pyml.20220615; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'pyml.20220615' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test pyml.20220615) || true
RUN opam reinstall --with-test --verbose pyml.20220615; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'pyml.20220615' && partial_fails="$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 .

2026-03-21 18:50.20: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e-conf-m4.1-pyml.20220615-e26ca330660bcb49f8bb8e3d37703d278be8c4bd"
2026-03-21 18:50.20: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-dev /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 conf-m4.1 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall conf-m4.1;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'conf-m4.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall pyml.20220615;\
             \n        res=$?;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'pyml.20220615' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test pyml.20220615) || true"))
 (run (shell  "opam reinstall --with-test --verbose pyml.20220615;\
             \n        res=$?;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'pyml.20220615' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-21 18:50.20: Waiting for resource in pool OCluster
2026-03-21 20:49.30: Waiting for worker…
2026-03-21 20:51.38: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at 76bf2ed944 Merge pull request #29572 from hannesm/release-letsencrypt-v2.0.0
Updating 76bf2ed944..e26ca33066
Fast-forward
 packages/conf-findutils/conf-findutils.1/opam                       | 2 ++
 packages/conf-m4/conf-m4.1/opam                                     | 1 +
 .../conf-mingw-w64-bzip2-x86_64/conf-mingw-w64-bzip2-x86_64.1/opam  | 4 ++--
 packages/conf-mingw-w64-gcc-x86_64/conf-mingw-w64-gcc-x86_64.1/opam | 4 ++--
 packages/conf-mingw-w64-gmp-x86_64/conf-mingw-w64-gmp-x86_64.1/opam | 4 ++--
 .../conf-mingw-w64-pkgconf-x86_64.1/opam                            | 6 +++---
 .../conf-mingw-w64-zlib-x86_64/conf-mingw-w64-zlib-x86_64.1/opam    | 4 ++--
 .../conf-mingw-w64-zstd-x86_64/conf-mingw-w64-zstd-x86_64.1/opam    | 4 ++--
 packages/conf-perl/conf-perl.2/opam                                 | 1 +
 9 files changed, 17 insertions(+), 13 deletions(-)

(from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
2026-03-21 20:51.41 ---> using "32cd5b5baf995c02200cf270da597dbb25becd220af2c200c00b8b241a742195" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-21 20:51.41 ---> using "f3ed7bdbef828c9c0b079b10505c5f05c3c9adcca11ce5bf2dac2a4183e099d8" 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 version of opam requires an update to the layout of /home/opam/.opam from version 2.0 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 71 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=71 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-21 20:51.41 ---> using "5bf6adb7b45bb7e0c215b8f509c71a8dae73a9a2060efcc27df9d4ef6c6d3350" 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         2.5.0
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 255
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-base-compiler" {= "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/lib/ocaml/stublibs:/home/opam/.opam/4.14/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.14.2
2026-03-21 20:51.41 ---> using "0546f18fa5979677ee22eb9f2fcf19ab371564e845d317c2c70e41dd97dc22dd" 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/"))
2026-03-21 20:51.41 ---> using "0a7188cbe95f4fe0ff26694977eb8794c975bdb534078da98a06d6c7373289b4" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-21 20:51.42 ---> using "64b0b1c5956282be62155632b73d49a512770a013b8177e3bd97cfd5e30573f3" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-21 20:51.42 ---> using "5bbc18b187922ee43ab28303966f314ef55d58cc243daaa1a62d891c4651643d" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9671 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [113 kB]
- Fetched 10.0 MB in 1s (9665 kB/s)
- Reading package lists...
2026-03-21 20:51.42 ---> using "26c4cf2d2932a5613ac2db8ae671186642ac802d5db4f44c87661f5676362dec" from cache

/home/opam: (run (shell "opam pin add -k version -yn conf-m4.1 1"))
conf-m4 is now pinned to version 1
2026-03-21 20:51.42 ---> using "1f550c38f5bac1e80ecbaf30222372f1ba650bb720c00e72e38ddd72856eafa1" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall conf-m4.1;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'conf-m4.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
conf-m4.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install conf-m4 1 (pinned)

The following system packages will first need to be installed:
    m4

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4"
- Selecting previously unselected package m4.
- (Reading database ... 
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(Reading database ... 20623 files and directories currently installed.)
- Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ...
- Unpacking m4 (1.4.19-8) ...
- Setting up m4 (1.4.19-8) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed conf-m4.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-21 20:51.42 ---> using "e0baf65572c68338ca7ad6c8769e7aeb1e3d03e85ea3541782477400153674e3" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall pyml.20220615;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'pyml.20220615' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
pyml.20220615 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 5 packages
  - install conf-autoconf 0.2      [required by stdcompat]
  - install dune          3.22.0   [required by pyml]
  - install ocamlfind     1.9.8    [required by pyml]
  - install pyml          20220615
  - install stdcompat     20.1     [required by pyml]

The following system packages will first need to be installed:
    autoconf

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "autoconf"
- Selecting previously unselected package autoconf.
- (Reading database ... 
(Reading database ... 5%
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(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 20710 files and directories currently installed.)
- Preparing to unpack .../autoconf_2.72-3.1_all.deb ...
- Unpacking autoconf (2.72-3.1) ...
- Selecting previously unselected package autotools-dev.
- Preparing to unpack .../autotools-dev_20240727.1_all.deb ...
- Unpacking autotools-dev (20240727.1) ...
- Selecting previously unselected package automake.
- Preparing to unpack .../automake_1%3a1.17-4_all.deb ...
- Unpacking automake (1:1.17-4) ...
- Setting up autotools-dev (20240727.1) ...
- Setting up autoconf (2.72-3.1) ...
- Setting up automake (1:1.17-4) ...
- update-alternatives: using /usr/bin/automake-1.17 to provide /usr/bin/automake (automake) in auto mode

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed conf-autoconf.0.2
-> retrieved dune.3.22.0  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved pyml.20220615  (https://opam.ocaml.org/cache)
-> retrieved stdcompat.20.1  (cached)
-> installed ocamlfind.1.9.8
-> installed dune.3.22.0
-> installed stdcompat.20.1
-> installed pyml.20220615
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-21 20:52.22 ---> saved as "abd77163eb19539dc729702b069b522595557b6a5a42bf976775f21bfe4b6412"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test pyml.20220615) || true"))
The following actions will be performed:
=== recompile 1 package
  - recompile pyml              20220615
=== install 1 package
  - install   conf-python-3-dev 1        [required by pyml]

The following system packages will first need to be installed:
    python3-dev

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "python3-dev"
- Selecting previously unselected package libpython3.13-minimal:amd64.
- (Reading database ... 
(Reading database ... 5%
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(Reading database ... 20943 files and directories currently installed.)
- Preparing to unpack .../libpython3.13-minimal_3.13.5-2_amd64.deb ...
- Unpacking libpython3.13-minimal:amd64 (3.13.5-2) ...
- Selecting previously unselected package python3.13-minimal.
- Preparing to unpack .../python3.13-minimal_3.13.5-2_amd64.deb ...
- Unpacking python3.13-minimal (3.13.5-2) ...
- Setting up libpython3.13-minimal:amd64 (3.13.5-2) ...
- Setting up python3.13-minimal (3.13.5-2) ...
- Selecting previously unselected package python3-minimal.
- (Reading database ... 
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<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved conf-python-3-dev.1  (2 extra sources)
-> retrieved conf-python-3-dev.1  (2 extra sources)
-> retrieved pyml.20220615  (https://opam.ocaml.org/cache)
-> removed   pyml.20220615
-> installed conf-python-3-dev.1
[ERROR] The compilation of pyml.20220615 failed at "dune build -p pyml -j 255 @install @runtest".

#=== ERROR while compiling pyml.20220615 ======================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | file:///home/opam/opam-repository
# path                 ~/.opam/4.14/.opam-switch/build/pyml.20220615
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p pyml -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/pyml-7-38f022.env
# output-file          ~/.opam/log/pyml-7-38f022.out
### output ###
# File "dune", line 41, characters 8-18:
# 41 |   (name pyml_tests)
#              ^^^^^^^^^^
# (cd _build/default && ./pyml_tests.exe)
# Environment variables:
# PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
# PYTHONHOME not set
# DYLD_LIBRARY_PATH not set
# DYLD_FALLBACK_LIBRARY_PATH not set
# Initializing library...
# Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
# Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
# Failed: "Cannot resolve _PyObject_NextNotImplemented.
# ".
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
# File "dune", line 36, characters 8-19:
# 36 |   (name numpy_tests)
#              ^^^^^^^^^^^
# (cd _build/default && ./numpy_tests.exe)
# Environment variables:
# PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
# PYTHONHOME not set
# DYLD_LIBRARY_PATH not set
# DYLD_FALLBACK_LIBRARY_PATH not set
# Initializing library...
# Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
# Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
# Failed: "Cannot resolve _PyObject_NextNotImplemented.
# ".
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build pyml 20220615
+- 
+- The following changes have been performed
| - remove  pyml              20220615
| - install conf-python-3-dev 1
+- 
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/4.14/.opam-switch/backup/state-20260321205223.export"
Or you can retry to install your package selection with:
    /usr/bin/opam install --restore
2026-03-21 20:52.34 ---> saved as "cffba41b0d996bc88d6ef2fff4c67fd991b098ae844dd08d24b5f903991ace5d"

/home/opam: (run (shell  "opam reinstall --with-test --verbose pyml.20220615;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'pyml.20220615' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
pyml.20220615 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install pyml 20220615

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/3: [pyml.20220615: extract]
-> retrieved pyml.20220615  (cached)
Processing  2/3: [pyml: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "pyml" "-j" "255" "@install" "@runtest" (CWD=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615)
- File "dune", line 36, characters 8-19:
- 36 |   (name numpy_tests)
-              ^^^^^^^^^^^
- (cd _build/default && ./numpy_tests.exe)
- Environment variables:
- PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
- PYTHONHOME not set
- DYLD_LIBRARY_PATH not set
- DYLD_FALLBACK_LIBRARY_PATH not set
- Initializing library...
- Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
- Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
- Failed: "Cannot resolve _PyObject_NextNotImplemented.
- ".
- Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
- File "dune", line 41, characters 8-18:
- 41 |   (name pyml_tests)
-              ^^^^^^^^^^
- (cd _build/default && ./pyml_tests.exe)
- Environment variables:
- PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
- PYTHONHOME not set
- DYLD_LIBRARY_PATH not set
- DYLD_FALLBACK_LIBRARY_PATH not set
- Initializing library...
- Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
- Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
- Failed: "Cannot resolve _PyObject_NextNotImplemented.
- ".
- Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
[ERROR] The compilation of pyml.20220615 failed at "dune build -p pyml -j 255 @install @runtest".

#=== ERROR while compiling pyml.20220615 ======================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | file:///home/opam/opam-repository
# path                 ~/.opam/4.14/.opam-switch/build/pyml.20220615
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p pyml -j 255 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/pyml-7-edf280.env
# output-file          ~/.opam/log/pyml-7-edf280.out
### output ###
# File "dune", line 36, characters 8-19:
# 36 |   (name numpy_tests)
#              ^^^^^^^^^^^
# (cd _build/default && ./numpy_tests.exe)
# Environment variables:
# PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
# PYTHONHOME not set
# DYLD_LIBRARY_PATH not set
# DYLD_FALLBACK_LIBRARY_PATH not set
# Initializing library...
# Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
# Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
# Failed: "Cannot resolve _PyObject_NextNotImplemented.
# ".
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
# File "dune", line 41, characters 8-18:
# 41 |   (name pyml_tests)
#              ^^^^^^^^^^
# (cd _build/default && ./pyml_tests.exe)
# Environment variables:
# PATH=/home/opam/.opam/4.14/.opam-switch/build/pyml.20220615/_build/install/default/bin:/home/opam/.opam/4.14/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
# PYTHONHOME not set
# DYLD_LIBRARY_PATH not set
# DYLD_FALLBACK_LIBRARY_PATH not set
# Initializing library...
# Temporary set PYTHONPATH=":/usr/lib/python313.zip:/usr/lib/python3.13:/usr/lib/python3.13/lib-dynload:/usr/local/lib/python3.13/dist-packages:/usr/lib/python3/dist-packages".
# Trying to load "/lib/x86_64-linux-gnu/libpython3.13.so.1.0".
# Failed: "Cannot resolve _PyObject_NextNotImplemented.
# ".
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build pyml 20220615
+- 
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'opam reinstall --with-test --verbose pyml.20220615' failed.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose pyml.20220615;
        res=$?;
        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-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'pyml.20220615' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-21 20:52.46: Job failed: Failed: Build failed
2026-03-21 20:52.46: Log analysis:
2026-03-21 20:52.46: >>> 
[ERROR] The compilation of pyml.20220615 failed at "dune build -p pyml -j 255 @install @runtest".
 (score = 20)
2026-03-21 20:52.46: >>> 
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
 (score = 35)
2026-03-21 20:52.46: >>> 
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
 (score = 35)
2026-03-21 20:52.46: >>> 
[ERROR] The compilation of pyml.20220615 failed at "dune build -p pyml -j 255 @install @runtest".
 (score = 20)
2026-03-21 20:52.46: >>> 
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
 (score = 35)
2026-03-21 20:52.46: >>> 
# Fatal error: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")
 (score = 35)
2026-03-21 20:52.46: exception Failure("Py.find_library: unable to find the Python library [/lib/x86_64-linux-gnu/libpython3.13.so.1.0 returned Cannot resolve _PyObject_NextNotImplemented.\n]")