(for PR #29484)

2026-03-12 11:12.23: New job: build colibrilib.0.5, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29484/head (1b330fadfbca45ff79eea30cec2cd15a1b2a42b9)
                              on debian-13-ocaml-4.08/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29484/head" && git reset --hard 1b330fad
git fetch origin master
git merge --no-edit 6d75ddf1d37818547f88125983edb2e55e55ed23
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn colibrilib.0.5 0.5
RUN opam reinstall colibrilib.0.5; \
    res=$?; \
    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 "$pkg" != 'colibrilib.0.5' && partial_fails="$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 .

2026-03-12 11:12.23: Using cache hint "ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47-colibrilib.0.5-1b330fadfbca45ff79eea30cec2cd15a1b2a42b9"
2026-03-12 11:12.23: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47)
 (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 colibrilib.0.5 0.5"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall colibrilib.0.5;\
             \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 \"$pkg\" != 'colibrilib.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-12 11:12.23: Waiting for resource in pool OCluster
2026-03-12 11:12.29: Waiting for worker…
2026-03-12 11:12.29: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
HEAD is now at 70d04665d9 [new release] charrua (4 packages) (3.1.1)
HEAD is now at 6d75ddf1d3 Merge pull request #29495 from toots/opam-publish-posix-bindings.4.0.2
Merge made by the 'ort' strategy.
 packages/colibri2/colibri2.0.5/opam               | 70 +++++++++++++++++++++++
 packages/colibrics/colibrics.0.5/opam             | 50 ++++++++++++++++
 packages/colibrilib-why3/colibrilib-why3.0.5/opam | 40 +++++++++++++
 packages/colibrilib/colibrilib.0.5/opam           | 40 +++++++++++++
 4 files changed, 200 insertions(+)
 create mode 100644 packages/colibri2/colibri2.0.5/opam
 create mode 100644 packages/colibrics/colibrics.0.5/opam
 create mode 100644 packages/colibrilib-why3/colibrilib-why3.0.5/opam
 create mode 100644 packages/colibrilib/colibrilib.0.5/opam

(from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47)
2026-03-12 11:12.28 ---> using "867303d7f04cee0d3e23016229d2a45a69516628a14dbff52754cd3cb283f66f" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-12 11:12.28 ---> using "d7495a5c1ce2803e22b31f02904d04dccb716bc5852c3541aeeef7f3eaa28de4" 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
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-12 11:12.28 ---> using "d199ebe4bb34f85ad0d72b5335f450fb0c5ed44613d92eecbe65925101fad341" 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                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.08
# invariant            ["ocaml-base-compiler" {= "4.08.1"}]
# compiler-packages    ocaml-base-compiler.4.08.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.08/lib/ocaml/stublibs:/home/opam/.opam/4.08/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.08.1
2026-03-12 11:12.28 ---> using "57c8e678a5898ab6198a27636581eda027e3d86542fa62a242d7cc8165e237eb" 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/"))
2026-03-12 11:12.28 ---> using "b8d39bececfbb1b4f7d6eaefa5b601dd99d316359a35736d11089f4864968fa4" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-12 11:12.41 ---> saved as "b5a5d06b6aad4655648a8b8c525707ec3cc9c96a025fbfbd7114b9aa21bf0f4a"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-12 11:12.58 ---> saved as "46403b78231cf53657270433d283c5d99023a3f4ee4a9c44643a4dcbb2d550b1"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/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 [109 kB]
- Fetched 199 kB in 0s (1166 kB/s)
- Reading package lists...
- 
2026-03-12 11:13.00 ---> saved as "20c51aaa2af4f5a3f30727e31a64d4a500ea907b122c8ad8e3e3e6e82631076a"

/home/opam: (run (shell "opam pin add -k version -yn colibrilib.0.5 0.5"))
colibrilib is now pinned to version 0.5
2026-03-12 11:13.01 ---> saved as "27da71077e1db233889269f108d10d813243e22bb9db8975db627df8809c6255"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall colibrilib.0.5;\
                        \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 \"$pkg\" != 'colibrilib.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
colibrilib.0.5 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.08.1
    - colibrilib >= 0.5 -> ocaml >= 4.12 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.08.1
    - colibrilib >= 0.5 -> ocaml >= 4.12 -> ocaml-variants < 4.14.4~
  * Missing dependency:
    - colibrilib >= 0.5 -> ocaml >= 4.12 -> ocaml-variants < 4.14.4~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - colibrilib >= 0.5 -> ocaml >= 4.12 -> ocaml-variants >= 4.12.0~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall colibrilib.0.5;
        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 "$pkg" != 'colibrilib.0.5' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-03-12 11:13.16: Job failed: Failed: Build failed
2026-03-12 11:13.16: Log analysis:
2026-03-12 11:13.16: >>> 
No solution found, exiting
 (score = 100)
2026-03-12 11:13.16: [SKIP] Package not available