2026-02-18 17:40.37: New job: build ocaml-solo5.1.2.1, using opam 2.0
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29425/head (56393c852ecc97bd2af91ac2eb29f999c7a71fca)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29425/head" && git reset --hard 56393c85
git fetch origin master
git merge --no-edit 0431a98cc2177cbcc88e0937fe5b1b48e457e990
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:04864ce35c9a53a8f91e1b6ddfe19ff405f2881ec1201cdca698239b3b811633
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam depext -u || true
RUN opam pin add -k version -yn ocaml-solo5.1.2.1 1.2.1
RUN opam depext ocaml-solo5.1.2.1 && opam reinstall ocaml-solo5.1.2.1; \
    res=$?; \
    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 "$pkg" != 'ocaml-solo5.1.2.1' && partial_fails="$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 .

2026-02-18 17:40.37: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:04864ce35c9a53a8f91e1b6ddfe19ff405f2881ec1201cdca698239b3b811633-ocaml-solo5.1.2.1-56393c852ecc97bd2af91ac2eb29f999c7a71fca"
2026-02-18 17:40.37: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:04864ce35c9a53a8f91e1b6ddfe19ff405f2881ec1201cdca698239b3b811633)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "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 depext -u || true"))
 (run (shell "opam pin add -k version -yn ocaml-solo5.1.2.1 1.2.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam depext ocaml-solo5.1.2.1 && opam reinstall ocaml-solo5.1.2.1;\
             \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 \"$pkg\" != 'ocaml-solo5.1.2.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-18 17:40.37: Waiting for resource in pool OCluster
2026-02-18 17:40.38: Waiting for worker…
2026-02-18 17:41.42: Got resource from pool OCluster
Building on clete
All commits already cached
HEAD is now at 0431a98cc2 Merge pull request #29419 from dinosaure/release-hxd-v0.4.0
Updating 0431a98cc2..56393c852e
Fast-forward
 .../ocaml-solo5-cross-aarch64.1.2.1/opam           | 60 ++++++++++++++++++++++
 packages/ocaml-solo5/ocaml-solo5.1.2.1/opam        | 58 +++++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 packages/ocaml-solo5-cross-aarch64/ocaml-solo5-cross-aarch64.1.2.1/opam
 create mode 100644 packages/ocaml-solo5/ocaml-solo5.1.2.1/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:04864ce35c9a53a8f91e1b6ddfe19ff405f2881ec1201cdca698239b3b811633)
2026-02-18 17:41.59 ---> using "d6079ab6cce1b58b34ac9b5ed11aa86b7980ab728c75f5a6ba9271e98dc1ac1c" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
2026-02-18 17:41.59 ---> saved as "0b67f23dfefec5ba3e50da7b15b5b005e035a700d7156a35a97d7f54648aefa3"

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
[NOTE] Will configure 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.

[WARNING] Recommended dependencies -- most packages rely on these:
  - m4

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
default (at git+file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2026-02-18 17:42.58 ---> saved as "687d42d18e1f0d83126b6886564b9f4f41a8da92203c5a21775f77361f6516d6"

/home/opam: (run (shell "opam config report"))
# opam config report
# opam-version      2.0.10 (adc1e1829a2bef5b240746df80341b508290fe3b) 
# self-upgrade      no
# system            arch=x86_64 os=linux os-distribution=debian os-version=13
# solver            builtin-mccs+glpk
# install-criteria  -removed,-count[version-lag,request],-count[version-lag,changed],-changed
# upgrade-criteria  -removed,-count[version-lag,solution],-new
# jobs              71
# repositories      1 (version-controlled)
# pinned            1 (version)
# current-switch    4.14
2026-02-18 17:42.59 ---> saved as "1a312237e6cc317162bf6e7c10f0ca280a9c903bfe96f1b5ff573baf72b38463"

/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/"))
2026-02-18 17:43.06 ---> saved as "fbb61444c2f0aa9a7b16e970009a0bb8e791b4932a513f59e5ee3ea339cb39a0"

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-18 17:43.15 ---> saved as "a03708ea0fea77df487eac343cbdd3fc856d842346444ac693b471120eeec85c"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
default (at file:///home/opam/opam-repository): 
    [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)

2026-02-18 17:43.27 ---> saved as "f5800ec7047cea135da1b7228b5e219430ebdf79764ea06e7f8bcd85dec3cdba"

/home/opam: (run (network host)
                 (shell "opam depext -u || true"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
The following command needs to be run through "sudo":
    apt-get update
Hit:1 http://deb.debian.org/debian trixie InRelease
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-security trixie-security/main amd64 Packages [110 kB]
Fetched 200 kB in 0s (1776 kB/s)
Reading package lists...
# OS package update successful
2026-02-18 17:43.29 ---> saved as "4a6e984f88fe35f3b43fc7c0ce2b035f928186bb8d82f5542766dfc163168559"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-solo5.1.2.1 1.2.1"))
ocaml-solo5 is now pinned to version 1.2.1
2026-02-18 17:43.30 ---> saved as "e9c6a04e9d13655dcfb9851feb9705168ebfa82b1172698b036b1a6f5725aa1a"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam depext ocaml-solo5.1.2.1 && opam reinstall ocaml-solo5.1.2.1;\
                        \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 \"$pkg\" != 'ocaml-solo5.1.2.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
[ERROR] No solution for ocaml-solo5.1.2.1: The following dependencies couldn't be met:
          - ocaml-solo5 -> ocaml = 5.4.1
              base of this switch (use `--unlock-base' to force)


Command failed: opam list --readonly --external '--resolve=ocaml-solo5.1.2.1' --color=never returned 20
"/usr/bin/env" "bash" "-c" "opam depext ocaml-solo5.1.2.1 && opam reinstall ocaml-solo5.1.2.1;
        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 "$pkg" != 'ocaml-solo5.1.2.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-02-18 17:43.39: Job failed: Failed: Build failed
2026-02-18 17:43.39: Log analysis:
2026-02-18 17:43.39: >>> 
[ERROR] No solution for ocaml-solo5.1.2.1: The following dependencies couldn't be met:
 (score = 100)
2026-02-18 17:43.39: [SKIP] Package not available