Build:
  1. 0
2026-01-13 04:05.03: New job: test cb-check.0.1 with dune.3.21.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29216/head (001b427da21d4d746e124eaaffab7b4134813f6d)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29216/head" && git reset --hard 001b427d
git fetch origin master
git merge --no-edit 1c361fac36225534ee877701522e296785f9a9db
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:d765b54c014ef238f3a84185055fd22f6a5e5bea6d6bbe9ec94a1c7ac9087afa
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn dune.3.21.0 3.21.0
RUN opam reinstall dune.3.21.0; \
    res=$?; \
    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 "$pkg" != 'dune.3.21.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall cb-check.0.1; \
    res=$?; \
    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 "$pkg" != 'cb-check.0.1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test cb-check.0.1) || true
RUN opam reinstall --with-test --verbose cb-check.0.1; \
    res=$?; \
    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 "$pkg" != 'cb-check.0.1' && partial_fails="$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 .

2026-01-13 04:05.03: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:d765b54c014ef238f3a84185055fd22f6a5e5bea6d6bbe9ec94a1c7ac9087afa-dune.3.21.0-cb-check.0.1-001b427da21d4d746e124eaaffab7b4134813f6d"
2026-01-13 04:05.03: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:d765b54c014ef238f3a84185055fd22f6a5e5bea6d6bbe9ec94a1c7ac9087afa)
 (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 dune.3.21.0 3.21.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall dune.3.21.0;\
             \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        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 \"$pkg\" != 'dune.3.21.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall cb-check.0.1;\
             \n        res=$?;\
             \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 \"$pkg\" != 'cb-check.0.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test cb-check.0.1) || true"))
 (run (shell  "opam reinstall --with-test --verbose cb-check.0.1;\
             \n        res=$?;\
             \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 \"$pkg\" != 'cb-check.0.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-13 04:05.03: Waiting for resource in pool OCluster
2026-01-13 19:21.16: Waiting for worker…
2026-01-13 19:24.22: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
Updating files:  68% (13244/19211)
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Updating files: 100% (19211/19211), done.
HEAD is now at 1c361fac36 Merge pull request #29210 from dinosaure/release-miou-v0.5.1
Merge made by the 'ort' strategy.
 packages/chrome-trace/chrome-trace.3.21.0/opam     | 41 ++++++++++++
 .../dune-action-plugin.3.21.0/opam                 | 54 ++++++++++++++++
 .../dune-build-info/dune-build-info.3.21.0/opam    | 47 ++++++++++++++
 .../dune-configurator.3.21.0/opam                  | 51 +++++++++++++++
 packages/dune-glob/dune-glob.3.21.0/opam           | 44 +++++++++++++
 .../dune-private-libs.3.21.0/opam                  | 52 +++++++++++++++
 packages/dune-rpc-lwt/dune-rpc-lwt.3.21.0/opam     | 43 +++++++++++++
 packages/dune-rpc/dune-rpc.3.21.0/opam             | 46 +++++++++++++
 packages/dune-site/dune-site.3.21.0/opam           | 39 +++++++++++
 packages/dune/dune.3.21.0/opam                     | 75 ++++++++++++++++++++++
 packages/dyn/dyn.3.21.0/opam                       | 42 ++++++++++++
 packages/fs-io/fs-io.3.21.0/opam                   | 41 ++++++++++++
 packages/ocamlc-loc/ocamlc-loc.3.21.0/opam         | 45 +++++++++++++
 packages/ordering/ordering.3.21.0/opam             | 40 ++++++++++++
 packages/stdune/stdune.3.21.0/opam                 | 48 ++++++++++++++
 packages/top-closure/top-closure.3.21.0/opam       | 40 ++++++++++++
 packages/xdg/xdg.3.21.0/opam                       | 41 ++++++++++++
 17 files changed, 789 insertions(+)
 create mode 100644 packages/chrome-trace/chrome-trace.3.21.0/opam
 create mode 100644 packages/dune-action-plugin/dune-action-plugin.3.21.0/opam
 create mode 100644 packages/dune-build-info/dune-build-info.3.21.0/opam
 create mode 100644 packages/dune-configurator/dune-configurator.3.21.0/opam
 create mode 100644 packages/dune-glob/dune-glob.3.21.0/opam
 create mode 100644 packages/dune-private-libs/dune-private-libs.3.21.0/opam
 create mode 100644 packages/dune-rpc-lwt/dune-rpc-lwt.3.21.0/opam
 create mode 100644 packages/dune-rpc/dune-rpc.3.21.0/opam
 create mode 100644 packages/dune-site/dune-site.3.21.0/opam
 create mode 100644 packages/dune/dune.3.21.0/opam
 create mode 100644 packages/dyn/dyn.3.21.0/opam
 create mode 100644 packages/fs-io/fs-io.3.21.0/opam
 create mode 100644 packages/ocamlc-loc/ocamlc-loc.3.21.0/opam
 create mode 100644 packages/ordering/ordering.3.21.0/opam
 create mode 100644 packages/stdune/stdune.3.21.0/opam
 create mode 100644 packages/top-closure/top-closure.3.21.0/opam
 create mode 100644 packages/xdg/xdg.3.21.0/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:d765b54c014ef238f3a84185055fd22f6a5e5bea6d6bbe9ec94a1c7ac9087afa)
2026-01-13 19:24.30 ---> using "2ecda48447fc68e8dcd256d2898af0a11126a077e05d747a0dcdff2845100de1" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-13 19:24.30 ---> using "79eb1218297339daa5e94be48ad16ae73f417b872defa106efeff5b5f3323e6e" 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
2026-01-13 19:24.30 ---> using "bf81485066c79fc9faf7a51b95869ba9d998fe2bf3de5ff7f59b253fc915122f" 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       4.14
# 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
2026-01-13 19:24.30 ---> using "f7c0c02658daf7a6d6c7671a8028e0e553264100bd569724894645b7844f6d7f" 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/"))
2026-01-13 19:24.30 ---> using "9b3e592c65565b9b3dc8b88c605e54ddba818eb105df981d794040a64c2f9916" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-13 19:24.32 ---> using "09c39d7126e88ed573ca8f78acbffb48c0088baecebf7a9155a91c3290ace20b" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-13 19:24.32 ---> using "1f9ebb837e22c3f42b1c3f6e7178a2aa2fcb8206685e62bba70fde550083c584" 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 [9670 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [95.5 kB]
- Fetched 9997 kB in 2s (6510 kB/s)
- Reading package lists...
- 
2026-01-13 19:24.32 ---> using "bc5a313c83583d746179a868806b410c236b5a3d4895b7d8bc464eed6cfe706e" from cache

/home/opam: (run (shell "opam pin add -k version -yn dune.3.21.0 3.21.0"))
dune is now pinned to version 3.21.0
2026-01-13 19:24.32 ---> using "448b2b0e77526967dc1d84c9cd1fd4fdf010f08d862d127b94c63a52bbc324d1" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall dune.3.21.0;\
                        \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        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 \"$pkg\" != 'dune.3.21.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
dune.3.21.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install dune 3.21.0 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.21.0  (cached)
-> installed dune.3.21.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-01-13 19:24.32 ---> using "5acb627376dc8b6ecaceedd8635589b9dfb44ea06abcf3fc03092c3e94ea4126" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall cb-check.0.1;\
                        \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 \"$pkg\" != 'cb-check.0.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
cb-check.0.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install cb-check 0.1
  - install yojson   3.0.0 [required by cb-check]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cb-check.0.1  (https://opam.ocaml.org/cache)
-> retrieved yojson.3.0.0  (cached)
-> installed yojson.3.0.0
[ERROR] The compilation of cb-check.0.1 failed at "dune build -p cb-check -j 71 @install".

#=== ERROR while compiling cb-check.0.1 =======================================#
# 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/cb-check.0.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p cb-check -j 71 @install
# exit-code            1
# env-file             ~/.opam/log/cb-check-7-c27380.env
# output-file          ~/.opam/log/cb-check-7-c27380.out
### output ###
# (cd _build/default && /home/opam/.opam/4.14/bin/ocamlopt.opt -w -40 -g -I cb-check/.main.eobjs/byte -I cb-check/.main.eobjs/native -I /home/opam/.opam/4.14/lib/yojson -intf-suffix .ml -no-alias-deps -open Dune__exe -o cb-check/.main.eobjs/native/dune__exe__Main.cmx -c -impl cb-check/main.ml)
# File "cb-check/main.ml", line 19, characters 34-35:
# 19 |         match Cb_schema.S.of_json j with
#                                        ^
# Error: This expression has type
#          Yojson.Safe.t =
#            [ `Assoc of (string * Yojson.Safe.t) list
#            | `Bool of bool
#            | `Float of float
#            | `Int of int
#            | `Intlit of string
#            | `List of Yojson.Safe.t list
#            | `Null
#            | `String of string ]
#        but an expression was expected of type
#          [> `Assoc of
#               (string *
#                [> `List of
#                     [> `Assoc of
#                          (string *
#                           [> `Assoc of
#                                (string *
#                                 [> `Assoc of
#                                      (string *
#                                       [> `Float of float
#                                        | `Int of int
#                                        | `Intlit of string
#                                        | `Null
#                                        | `String of string ])
#                                      list
#                                  | `Float of float
#                                  | `Int of int
#                                  | `Intlit of string
#                                  | `List of
#                                      [> `Float of float
#                                       | `Int of int
#                                       | `Intlit of string
#                                       | `Null
#                                       | `String of string ]
#                                      list
#                                  | `Null
#                                  | `String of string ])
#                                list
#                            | `List of
#                                [> `Assoc of
#                                     (string *
#                                      [> `Assoc of
#                                           (string *
#                                            [> `Float of float
#                                             | `Int of int
#                                             | `Intlit of string
#                                             | `Null
#                                             | `String of string ])
#                                           list
#                                       | `Float of float
#                                       | `Int of int
#                                       | `Intlit of string
#                                       | `List of
#                                           [> `Float of float
#                                            | `Int of int
#                                            | `Intlit of string
#                                            | `List of
#                                                [> `Float of float ] list
#                                            | `Null
#                                            | `String of string ]
#                                           list
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#                          list ]
#                     list
#                 | `Null
#                 | `String of string
#                 | `Tuple of [> `Int of int ] list ])
#               list ]
#        Type
#          Yojson.Safe.t =
#            [ `Assoc of (string * Yojson.Safe.t) list
#            | `Bool of bool
#            | `Float of float
#            | `Int of int
#            | `Intlit of string
#            | `List of Yojson.Safe.t list
#            | `Null
#            | `String of string ]
#        is not compatible with type
#          [> `List of
#               [> `Assoc of
#                    (string *
#                     [> `Assoc of
#                          (string *
#                           [> `Assoc of
#                                (string *
#                                 [> `Float of float
#                                  | `Int of int
#                                  | `Intlit of string
#                                  | `Null
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#                                list
#                            | `Float of float
#                            | `Int of int
#                            | `Intlit of string
#                            | `List of
#                                [> `Float of float
#                                 | `Int of int
#                                 | `Intlit of string
#                                 | `Null
#                                 | `String of string ]
#                                list
#                            | `Null
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#                          list
#                      | `List of
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#                               (string *
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#                                     (string *
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#                                     list
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#                                     [> `Float of float
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#                                      | `String of string ]
#                                     list
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#                               list ]
#                          list
#                      | `Null
#                      | `String of string ])
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#           | `String of string
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#        The first variant type does not allow tag(s) `Tuple



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build cb-check 0.1
+- 
+- The following changes have been performed
| - install yojson 3.0.0
+- 
# 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-20260113192432.export"
[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 cb-check.0.1;
        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 "$pkg" != 'cb-check.0.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-01-13 19:24.53: Job failed: Failed: Build failed
2026-01-13 19:24.53: Log analysis:
2026-01-13 19:24.53: >>> 
[ERROR] The compilation of cb-check.0.1 failed at "dune build -p cb-check -j 71 @install".
 (score = 20)
2026-01-13 19:24.53: >>> 
# Error: This expression has type
 (score = 48)
2026-01-13 19:24.53: This expression has type