(for PR #29937)

2026-05-24 22:43.58: New job: build caqti-eio.2.3.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29937/head (699c568442d9080169b06a0acf74464211d7c52c)
                              on debian-13-ocaml-4.14/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29937/head" && git reset --hard 699c5684
git fetch origin master
git merge --no-edit 856df280428c158a5bb0b3afce1bec956b10ae6f
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn caqti-eio.2.3.1 2.3.1
RUN opam reinstall caqti-eio.2.3.1; \
    res=$?; \
    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 "$pkg" != 'caqti-eio.2.3.1' && partial_fails="$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 .

2026-05-24 22:43.58: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056-caqti-eio.2.3.1-699c568442d9080169b06a0acf74464211d7c52c"
2026-05-24 22:43.58: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056)
 (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 caqti-eio.2.3.1 2.3.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall caqti-eio.2.3.1;\
             \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 \"$pkg\" != 'caqti-eio.2.3.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-05-24 22:43.58: Waiting for resource in pool OCluster
2026-05-24 22:44.01: Waiting for worker…
2026-05-24 22:47.03: Got resource from pool OCluster
Building on molpadia.caelum.ci.dev
All commits already cached
Updating files:  76% (13736/17975)
Updating files:  77% (13841/17975)
Updating files:  78% (14021/17975)
Updating files:  79% (14201/17975)
Updating files:  80% (14380/17975)
Updating files:  81% (14560/17975)
Updating files:  82% (14740/17975)
Updating files:  83% (14920/17975)
Updating files:  84% (15099/17975)
Updating files:  85% (15279/17975)
Updating files:  86% (15459/17975)
Updating files:  87% (15639/17975)
Updating files:  88% (15818/17975)
Updating files:  89% (15998/17975)
Updating files:  90% (16178/17975)
Updating files:  91% (16358/17975)
Updating files:  92% (16537/17975)
Updating files:  93% (16717/17975)
Updating files:  94% (16897/17975)
Updating files:  95% (17077/17975)
Updating files:  96% (17256/17975)
Updating files:  97% (17436/17975)
Updating files:  98% (17616/17975)
Updating files:  99% (17796/17975)
Updating files: 100% (17975/17975)
Updating files: 100% (17975/17975), done.
HEAD is now at 856df28042 Merge pull request #29946 from hannesm/release-mirage-net-solo5-v0.8.1
Merge made by the 'ort' strategy.
 packages/caqti-async/caqti-async.2.3.1/opam        | 41 +++++++++++++
 .../caqti-driver-mariadb.2.3.1/opam                | 34 +++++++++++
 .../caqti-driver-pgx/caqti-driver-pgx.2.3.1/opam   | 33 +++++++++++
 .../caqti-driver-postgresql.2.3.1/opam             | 38 ++++++++++++
 .../caqti-driver-sqlite3.2.3.1/opam                | 33 +++++++++++
 packages/caqti-dynload/caqti-dynload.2.3.1/opam    | 41 +++++++++++++
 packages/caqti-eio/caqti-eio.2.3.1/opam            | 37 ++++++++++++
 packages/caqti-lwt/caqti-lwt.2.3.1/opam            | 39 ++++++++++++
 packages/caqti-mirage/caqti-mirage.2.3.1/opam      | 43 ++++++++++++++
 .../caqti-tls-async/caqti-tls-async.2.3.1/opam     | 36 +++++++++++
 packages/caqti-tls-eio/caqti-tls-eio.2.3.1/opam    | 34 +++++++++++
 packages/caqti-tls-lwt/caqti-tls-lwt.2.3.1/opam    | 35 +++++++++++
 packages/caqti-tls-miou/caqti-tls-miou.2.3.1/opam  | 34 +++++++++++
 packages/caqti-tls/caqti-tls.2.3.1/opam            | 40 +++++++++++++
 .../caqti-type-calendar.2.3.1/opam                 | 31 ++++++++++
 packages/caqti/caqti.2.3.1/opam                    | 69 ++++++++++++++++++++++
 16 files changed, 618 insertions(+)
 create mode 100644 packages/caqti-async/caqti-async.2.3.1/opam
 create mode 100644 packages/caqti-driver-mariadb/caqti-driver-mariadb.2.3.1/opam
 create mode 100644 packages/caqti-driver-pgx/caqti-driver-pgx.2.3.1/opam
 create mode 100644 packages/caqti-driver-postgresql/caqti-driver-postgresql.2.3.1/opam
 create mode 100644 packages/caqti-driver-sqlite3/caqti-driver-sqlite3.2.3.1/opam
 create mode 100644 packages/caqti-dynload/caqti-dynload.2.3.1/opam
 create mode 100644 packages/caqti-eio/caqti-eio.2.3.1/opam
 create mode 100644 packages/caqti-lwt/caqti-lwt.2.3.1/opam
 create mode 100644 packages/caqti-mirage/caqti-mirage.2.3.1/opam
 create mode 100644 packages/caqti-tls-async/caqti-tls-async.2.3.1/opam
 create mode 100644 packages/caqti-tls-eio/caqti-tls-eio.2.3.1/opam
 create mode 100644 packages/caqti-tls-lwt/caqti-tls-lwt.2.3.1/opam
 create mode 100644 packages/caqti-tls-miou/caqti-tls-miou.2.3.1/opam
 create mode 100644 packages/caqti-tls/caqti-tls.2.3.1/opam
 create mode 100644 packages/caqti-type-calendar/caqti-type-calendar.2.3.1/opam
 create mode 100644 packages/caqti/caqti.2.3.1/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056' locally
docker.io/ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056: Pulling from ocaml/opam
b5d74b688654: Already exists
8def289674c7: Already exists
3f5b6de22081: Already exists
d04aa3e06848: Already exists
2cdb55ec25b9: Already exists
a3923fbca8fd: Already exists
03b7099b3b94: Already exists
41eaab41c59e: Already exists
b86d15fbb118: Already exists
4236d1b396cc: Already exists
8d5040993690: Already exists
6d8bc2a28391: Already exists
145054d23e97: Already exists
3572c673da6f: Already exists
7fbe4347c7f4: Already exists
a0d383bc19c5: Already exists
a0d383bc19c5: Already exists
7f57caed5f3a: Already exists
f3046138ccb9: Already exists
153ad0029a60: Already exists
7e75f8a97112: Already exists
4f4fb700ef54: Already exists
b655d0475047: Already exists
8709ef0a116a: Already exists
1db6e6e7eb3e: Already exists
d4efbff0f557: Already exists
a5d1595229f6: Already exists
66cf7c140dc7: Already exists
a0f6188e4a82: Already exists
62c336f00503: Already exists
c1e6e77e01e0: Already exists
cabb48aa38bd: Already exists
41b33d9d234f: Already exists
85d00faf7a94: Already exists
e01ef1869451: Already exists
14f0723dfba6: Already exists
ec09277dc869: Already exists
d0b1aa354649: Already exists
7a74960bd053: Already exists
62b505a0e0fe: Already exists
5137a98d933d: Pulling fs layer
a1571589be5d: Pulling fs layer
b89d9dddfe2a: Pulling fs layer
2b249f36454b: Pulling fs layer
2b249f36454b: Waiting
b89d9dddfe2a: Verifying Checksum
b89d9dddfe2a: Download complete
a1571589be5d: Download complete
2b249f36454b: Download complete
5137a98d933d: Verifying Checksum
5137a98d933d: Download complete
5137a98d933d: Pull complete
a1571589be5d: Pull complete
b89d9dddfe2a: Pull complete
2b249f36454b: Pull complete
Digest: sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
Status: Downloaded newer image for ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
2026-05-24 22:47.06 ---> using "b65c2b2aebc587477d087942a661688674b53684e6d7286b5e371254328a6bef" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-05-24 22:47.06 ---> using "9d3fb834f77b095cb6a908a003d39928db18c3190914c4241c825c10f4b99d06" 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 2.1 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 1 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=1 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///home/opam/opam-repository
2026-05-24 22:47.06 ---> using "a14d9ef379dd2eec95e26f3075066be017e6c173316d2f1f27177b5138ff96a9" 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         2.5.1
# self-upgrade         no
# system               arch=arm64 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                 79
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.3"}]
# compiler-packages    ocaml-base-compiler.4.14.3, 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       4.14.3
2026-05-24 22:47.06 ---> using "62bd5d113c4b88005d1b9830946da7c4c3d4de8f263cf19599710c4d5bd490a7" 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/"))
2026-05-24 22:47.06 ---> using "806b72826bac298a365ff7a185e9bbe0b51f1592e186841c561e7487e73698e3" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-05-24 22:47.07 ---> using "d687d97aaec3d38ace0d79030a419068c3e3991449885da92b384b1b0fca3a31" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-05-24 22:47.07 ---> using "cff3352580ece3b5c8f28c916c70c0e0b85bb00d068d80aad43d8696b1672127" 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 arm64 Packages [9608 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [171 kB]
- Fetched 10.0 MB in 1s (8373 kB/s)
- Reading package lists...
2026-05-24 22:47.07 ---> using "d8e72a3874742aa14bc94a25ee5af99639b587b21aed2effddd83304c9c9d6c3" from cache

/home/opam: (run (shell "opam pin add -k version -yn caqti-eio.2.3.1 2.3.1"))
caqti-eio is now pinned to version 2.3.1
2026-05-24 22:47.08 ---> saved as "dcaf35d13924fc16875eee1161c9ac66b92c7766329bb3d4363070a8cd7d3f48"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall caqti-eio.2.3.1;\
                        \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 \"$pkg\" != 'caqti-eio.2.3.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
caqti-eio.2.3.1 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.3
    - caqti-eio >= 2.3.1 -> ocaml >= 5.0.0~ -> ocaml-variants < 5.1.2~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - caqti-eio >= 2.3.1 -> ocaml >= 5.0.0~ -> ocaml-variants >= 5.1.2~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall caqti-eio.2.3.1;
        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 "$pkg" != 'caqti-eio.2.3.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-05-24 22:47.24: Job failed: Failed: Build failed
2026-05-24 22:47.24: Log analysis:
2026-05-24 22:47.24: >>> 
No solution found, exiting
 (score = 100)
2026-05-24 22:47.24: [SKIP] Package not available