Build:
  1. 0
2026-03-25 13:15.21: New job: test yocaml_otoml.2.8.0 with ocaml-compiler.5.4.0~beta1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29582/head (fa5fb3a6a806e832e4c7791145889a6bbe8b64ef)
                              on debian-13-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29582/head" && git reset --hard fa5fb3a6
git fetch origin master
git merge --no-edit 2f93e9d4614d6376ed929fc2cee7c59cb9d5833b
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-compiler.5.4.0~beta1 5.4.0~beta1
RUN opam reinstall --update-invariant ocaml-compiler.5.4.0~beta1; \
    res=$?; \
    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 "$pkg" != 'ocaml-compiler.5.4.0~beta1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall yocaml_otoml.2.8.0; \
    res=$?; \
    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 "$pkg" != 'yocaml_otoml.2.8.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test yocaml_otoml.2.8.0) || true
RUN opam reinstall --with-test --verbose yocaml_otoml.2.8.0; \
    res=$?; \
    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 "$pkg" != 'yocaml_otoml.2.8.0' && partial_fails="$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 .

2026-03-25 13:15.21: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6-ocaml-compiler.5.4.0~beta1-yocaml_otoml.2.8.0-fa5fb3a6a806e832e4c7791145889a6bbe8b64ef"
2026-03-25 13:15.21: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6)
 (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 ocaml-compiler.5.4.0~beta1 5.4.0~beta1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~beta1;\
             \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 \"$pkg\" != 'ocaml-compiler.5.4.0~beta1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall yocaml_otoml.2.8.0;\
             \n        res=$?;\
             \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 \"$pkg\" != 'yocaml_otoml.2.8.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test yocaml_otoml.2.8.0) || true"))
 (run (shell  "opam reinstall --with-test --verbose yocaml_otoml.2.8.0;\
             \n        res=$?;\
             \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 \"$pkg\" != 'yocaml_otoml.2.8.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-25 13:15.21: Waiting for resource in pool OCluster
2026-03-25 21:57.02: Waiting for worker…
2026-03-25 22:00.39: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at 2f93e9d461 Merge pull request #29592 from dinosaure/release-miou-v0.5.5
Merge made by the 'ort' strategy.
 packages/ocaml-compiler/ocaml-compiler.5.3.0/opam      |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.3/opam        |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.0/opam      |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~alpha1/opam    |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~beta1/opam     |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~beta2/opam     |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.0~rc1/opam  |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.1/opam      |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4/opam        |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.5.0~alpha1/opam    |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.5/opam        |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.6/opam        |  5 ++++-
 packages/ocaml-option-llvm/ocaml-option-llvm.1/opam    | 18 ++++++++++++++++++
 .../ocaml-options-vanilla/ocaml-options-vanilla.1/opam |  1 +
 packages/ocaml-variants/ocaml-variants.5.2.0+msvc/opam |  2 ++
 15 files changed, 69 insertions(+), 12 deletions(-)
 create mode 100644 packages/ocaml-option-llvm/ocaml-option-llvm.1/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6' locally
docker.io/ocaml/opam@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6: Pulling from ocaml/opam
866771c43bf5: Already exists
1e49bea09367: Already exists
e793768537e6: Already exists
ed323d3d481a: Already exists
7df34a5cd5f1: Already exists
fd712d3eb935: Already exists
4b9fb8c99118: Already exists
9d9a01948b94: Already exists
0f1514f90b32: Already exists
e1ec5a753447: Already exists
03cc323e2f71: Already exists
c09c08ea9749: Already exists
b36b619f8e6b: Already exists
195344ca5274: Already exists
228ee78582a6: Already exists
504bde1c25b3: Already exists
9d8b1356c89f: Already exists
9d8b1356c89f: Already exists
568fb6dda155: Already exists
c499c9198aea: Already exists
048e5e358118: Already exists
871ca48eb45d: Already exists
4f4fb700ef54: Already exists
a5a2568b9df9: Already exists
068cf3106ac8: Already exists
559f54ec9b29: Already exists
798ffd96fde5: Already exists
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79f24fa3bb11: Already exists
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2b3d3ca75e4c: Already exists
557cacaf263c: Already exists
d10483022eef: Already exists
7b62a90d8223: Already exists
28ce8ea66e72: Already exists
d975909ea717: Already exists
5c215c69c247: Already exists
e7c082452a54: Already exists
f6cbd774d654: Pulling fs layer
b40777a84cca: Pulling fs layer
7bb5edb9c889: Pulling fs layer
020670bcefab: Pulling fs layer
46df05d0db83: Pulling fs layer
45bde7b38933: Pulling fs layer
b4d63fa01ada: Pulling fs layer
020670bcefab: Waiting
46df05d0db83: Waiting
45bde7b38933: Waiting
b4d63fa01ada: Waiting
f6cbd774d654: Download complete
b40777a84cca: Verifying Checksum
b40777a84cca: Download complete
f6cbd774d654: Pull complete
7bb5edb9c889: Download complete
b40777a84cca: Pull complete
7bb5edb9c889: Pull complete
46df05d0db83: Verifying Checksum
46df05d0db83: Download complete
45bde7b38933: Verifying Checksum
45bde7b38933: Download complete
b4d63fa01ada: Verifying Checksum
b4d63fa01ada: Download complete
020670bcefab: Verifying Checksum
020670bcefab: Download complete
020670bcefab: Pull complete
46df05d0db83: Pull complete
45bde7b38933: Pull complete
b4d63fa01ada: Pull complete
Digest: sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6
Status: Downloaded newer image for ocaml/opam@sha256:bd342cbd7766c453282fdafbc2e565ae3361320ec344722cf4372b782e4a97f6
2026-03-25 22:00.54 ---> using "41eea30e3f639c18d8cf57c309ec76919ec7b2398036f7e41744cbce59a133d3" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-25 22:00.54 ---> using "4ad7f430d684c40cedc651267e0edf890c044fe4e624255de377c471b4526bac" 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
2026-03-25 22:00.54 ---> using "71fa58e52457bf6a7eac317c6a6ef1e2bdf53e533a1e4fd04b90c9349347e038" 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       5.4
# invariant            ["ocaml-base-compiler" {= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2026-03-25 22:00.54 ---> using "ed86081cb38ca125a920162bfe6a4bb7b1c27c6973c917551687c83cf44dbfdf" 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/"))
2026-03-25 22:00.54 ---> using "04a48515eea40c32b96da0c71328b4bba0edb66eed83d4f78554b39097cf1f25" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-25 22:00.55 ---> using "034191995d824300f355cbba1072d6e5fe6d815701f24eb84d82c75009d73829" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-25 22:00.55 ---> using "8232259ea36ea8848dc29ae49703acf145fd27b40f3ebd8fb785db7f8da1b9d4" 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 [114 kB]
- Fetched 10.0 MB in 2s (6318 kB/s)
- Reading package lists...
- 
2026-03-25 22:00.55 ---> using "a75782a571df4fc8f8933e94c681af881015ee87cdd4c652f8ae9af1d8cfad37" from cache

/home/opam: (run (shell "opam pin add -k version -yn ocaml-compiler.5.4.0~beta1 5.4.0~beta1"))
ocaml-compiler is now pinned to version 5.4.0~beta1
2026-03-25 22:00.55 ---> using "2099603933b4d6fefa06b285478a2e8fb05b82034e4d51f2aa158c2f8142ec7f" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~beta1;\
                        \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 \"$pkg\" != 'ocaml-compiler.5.4.0~beta1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-compiler.5.4.0~beta1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== remove 1 package
  - remove    ocaml-base-compiler 5.4.0 (pinned)                [conflicts with ocaml-compiler]
=== downgrade 1 package
  - downgrade ocaml-compiler      5.4.0 to 5.4.0~beta1 (pinned)
=== recompile 6 packages
  - recompile base-domains        base                          [uses ocaml]
  - recompile base-effects        base                          [uses ocaml]
  - recompile base-nnp            base                          [uses base-domains]
  - recompile ocaml               5.4.0                         [uses ocaml-base-compiler]
  - recompile ocaml-config        3                             [uses ocaml-base-compiler]
  - recompile opam-depext         1.2.3                         [uses ocaml]
=== install 1 package
  - install   ocaml-variants      5.4.0~beta1+options           [required by ocaml]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ocaml-compiler.5.4.0~beta1  (cached)
-> retrieved ocaml-config.3  (cached)
-> retrieved opam-depext.1.2.3  (cached)
-> removed   base-effects.base
-> removed   base-nnp.base
-> removed   base-domains.base
-> removed   opam-depext.1.2.3
-> removed   ocaml.5.4.0
-> removed   ocaml-config.3
-> removed   ocaml-base-compiler.5.4.0
-> removed   ocaml-compiler.5.4.0
-> installed ocaml-compiler.5.4.0~beta1
-> installed ocaml-variants.5.4.0~beta1+options
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
-> installed opam-depext.1.2.3
[NOTE] Switch invariant was updated to ["ocaml-variants" {= "5.4.0~beta1+options"}]
       Use `opam switch set-invariant' to change it.
Done.

<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
# To update the current shell environment, run: eval $(opam env)
2026-03-25 22:02.14 ---> saved as "4ade08db1d862fcbe952182c248248cadec1de72f3de330b8d46a223b59c02fd"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall yocaml_otoml.2.8.0;\
                        \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 \"$pkg\" != 'yocaml_otoml.2.8.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
yocaml_otoml.2.8.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 39 packages
  - install base                    v0.17.3  [required by ppx_expect]
  - install csexp                   1.5.2    [required by dune-configurator]
  - install dune                    3.22.0   [required by yocaml_otoml]
  - install dune-configurator       3.22.0   [required by base]
  - install jane-street-headers     v0.17.0  [required by time_now]
  - install jst-config              v0.17.0  [required by time_now]
  - install logs                    0.10.0   [required by yocaml]
  - install menhir                  20250912 [required by otoml]
  - install menhirCST               20250912 [required by menhir]
  - install menhirLib               20250912 [required by otoml]
  - install menhirSdk               20250912 [required by menhir]
  - install ocaml-compiler-libs     v0.17.0  [required by ppxlib]
  - install ocaml_intrinsics_kernel v0.17.1  [required by base]
  - install ocamlbuild              0.16.1   [required by uutf, logs]
  - install ocamlfind               1.9.8    [required by uutf, logs]
  - install otoml                   1.0.5    [required by yocaml_otoml]
  - install ppx_assert              v0.17.0  [required by jst-config]
  - install ppx_base                v0.17.0  [required by time_now]
  - install ppx_cold                v0.17.0  [required by ppx_base]
  - install ppx_compare             v0.17.0  [required by ppx_base]
  - install ppx_derivers            1.2.1    [required by ppxlib]
  - install ppx_enumerate           v0.17.0  [required by ppx_base]
  - install ppx_expect              v0.17.3  [required by yocaml_otoml]
  - install ppx_globalize           v0.17.2  [required by ppx_base]
  - install ppx_hash                v0.17.0  [required by ppx_base]
  - install ppx_here                v0.17.0  [required by ppx_expect]
  - install ppx_inline_test         v0.17.1  [required by ppx_expect]
  - install ppx_optcomp             v0.17.1  [required by time_now]
  - install ppx_sexp_conv           v0.17.1  [required by ppx_base]
  - install ppxlib                  0.37.0   [required by ppx_expect]
  - install ppxlib_jane             v0.17.4  [required by ppx_globalize, ppx_enumerate, ppx_hash]
  - install sexplib0                v0.17.0  [required by base]
  - install stdio                   v0.17.0  [required by ppx_expect]
  - install stdlib-shims            0.3.0    [required by ppxlib]
  - install time_now                v0.17.0  [required by ppx_inline_test]
  - install topkg                   1.1.1    [required by uutf, logs]
  - install uutf                    1.0.4    [required by otoml]
  - install yocaml                  2.8.0    [required by yocaml_otoml]
  - install yocaml_otoml            2.8.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved base.v0.17.3  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.22.0, dune-configurator.3.22.0  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved logs.0.10.0  (cached)
-> retrieved menhir.20250912, menhirCST.20250912, menhirLib.20250912, menhirSdk.20250912  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved otoml.1.0.5  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> retrieved ppxlib.0.37.0  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved yocaml.2.8.0, yocaml_otoml.2.8.0  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed logs.0.10.0
-> installed uutf.1.0.4
-> installed dune.3.22.0
-> installed csexp.1.5.2
-> installed jane-street-headers.v0.17.0
-> installed menhirCST.20250912
-> installed menhirLib.20250912
-> installed menhirSdk.20250912
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed ppx_derivers.1.2.1
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed dune-configurator.3.22.0
-> installed base.v0.17.3
-> installed stdio.v0.17.0
-> installed menhir.20250912
-> installed otoml.1.0.5
-> installed ppxlib.0.37.0
-> installed ppxlib_jane.v0.17.4
-> installed ppx_optcomp.v0.17.1
-> installed ppx_cold.v0.17.0
-> installed ppx_here.v0.17.0
-> installed ppx_globalize.v0.17.2
-> installed ppx_enumerate.v0.17.0
-> installed ppx_compare.v0.17.0
-> installed ppx_sexp_conv.v0.17.1
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_base.v0.17.0
-> installed jst-config.v0.17.0
-> installed time_now.v0.17.0
-> installed ppx_inline_test.v0.17.1
-> installed ppx_expect.v0.17.3
-> installed yocaml.2.8.0
-> installed yocaml_otoml.2.8.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-25 22:07.21 ---> saved as "3f5f9b362072b84d78b570f9ebb649afec49a7c6779acd133891fc0aa4c3f771"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test yocaml_otoml.2.8.0) || true"))
The following actions will be performed:
=== recompile 5 packages
  - recompile logs          0.10.0 [uses cmdliner]
  - recompile otoml         1.0.5  [uses uutf]
  - recompile uutf          1.0.4  [uses cmdliner]
  - recompile yocaml        2.8.0  [uses logs]
  - recompile yocaml_otoml  2.8.0
=== install 9 packages
  - install   astring       0.8.5  [required by mdx]
  - install   camlp-streams 5.0.1  [required by mdx]
  - install   cmdliner      2.1.0  [required by mdx]
  - install   cppo          1.8.0  [required by mdx]
  - install   fmt           0.11.0 [required by mdx]
  - install   mdx           2.5.1  [required by yocaml_otoml]
  - install   ocaml-version 4.0.4  [required by mdx]
  - install   re            1.14.0 [required by mdx]
  - install   result        1.5    [required by mdx]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (https://opam.ocaml.org/cache)
-> retrieved camlp-streams.5.0.1  (https://opam.ocaml.org/cache)
-> retrieved cmdliner.2.1.0  (https://opam.ocaml.org/cache)
-> retrieved cppo.1.8.0  (https://opam.ocaml.org/cache)
-> retrieved fmt.0.11.0  (https://opam.ocaml.org/cache)
-> retrieved logs.0.10.0  (https://opam.ocaml.org/cache)
-> retrieved mdx.2.5.1  (https://opam.ocaml.org/cache)
-> installed camlp-streams.5.0.1
-> retrieved ocaml-version.4.0.4  (https://opam.ocaml.org/cache)
-> retrieved otoml.1.0.5  (https://opam.ocaml.org/cache)
-> retrieved re.1.14.0  (https://opam.ocaml.org/cache)
-> retrieved result.1.5  (https://opam.ocaml.org/cache)
-> retrieved uutf.1.0.4  (https://opam.ocaml.org/cache)
-> retrieved yocaml.2.8.0, yocaml_otoml.2.8.0  (https://opam.ocaml.org/cache)
-> installed ocaml-version.4.0.4
-> installed result.1.5
-> installed cppo.1.8.0
-> installed astring.0.8.5
-> installed re.1.14.0
-> removed   yocaml_otoml.2.8.0
-> removed   otoml.1.0.5
-> removed   uutf.1.0.4
-> removed   yocaml.2.8.0
-> removed   logs.0.10.0
-> installed cmdliner.2.1.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed otoml.1.0.5
-> installed logs.0.10.0
-> installed yocaml.2.8.0
-> installed mdx.2.5.1
[ERROR] The compilation of yocaml_otoml.2.8.0 failed at "dune build -p yocaml_otoml -j 71 @install @runtest".

#=== ERROR while compiling yocaml_otoml.2.8.0 =================================#
# context              2.5.0 | linux/x86_64 | ocaml-variants.5.4.0~beta1+options | file:///home/opam/opam-repository
# path                 ~/.opam/5.4/.opam-switch/build/yocaml_otoml.2.8.0
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p yocaml_otoml -j 71 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/yocaml_otoml-7-848f77.env
# output-file          ~/.opam/log/yocaml_otoml-7-848f77.out
### output ###
# File "doc/data_validation.mld", line 1, characters 0-0:
# /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/doc/data_validation.mld _build/default/doc/.mdx/data_validation.mld.corrected
# diff --git a/_build/default/doc/data_validation.mld b/_build/default/doc/.mdx/data_validation.mld.corrected
# index 896e6cc..99b78ef 100644
# --- a/_build/default/doc/data_validation.mld
# +++ b/_build/default/doc/.mdx/data_validation.mld.corrected
# @@ -120,7 +120,7 @@ Let's try to validate an incorrect entry. For example, let's try to treat a
#  {@ocaml[
#  # V.int (D.bool true) ;;
#  - : int V.validated_value =
# -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.Bool true})
# +Error (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.Bool true})
#  ]}
#  
#  As you can see, {!val:Yocaml.Data.Validation.bool} refuses to consider a number
# @@ -170,7 +170,7 @@ boolean as a string:
#  - : string V.validated_value =
#  Error
#   (V.Invalid_shape
# -   {V.expected = "strict-string"; given = Yocaml.Data.Bool true})
# +   {V.expected = "strict-string"; given = Yocaml__Data.Bool true})
#  ]}
#  
#  However, if you validate the boolean as a non-strict string, it will be
# @@ -227,13 +227,13 @@ Error
#       Yocaml__.Nel.(::)
#        ((3,
#          V.Invalid_shape
# -         {V.expected = "strict-string"; given = Yocaml.Data.Bool false}),
# +         {V.expected = "strict-string"; given = Yocaml__Data.Bool false}),
#        [(1,
#          V.Invalid_shape
# -         {V.expected = "strict-string"; given = Yocaml.Data.Int 42})]);
# +         {V.expected = "strict-string"; given = Yocaml__Data.Int 42})]);
#      given =
# -     [Yocaml.Data.String "hello"; Yocaml.Data.Int 42;
# -      Yocaml.Data.String "world"; Yocaml.Data.Bool false]})
# +     [Yocaml__Data.String "hello"; Yocaml__Data.Int 42;
# +      Yocaml__Data.String "world"; Yocaml__Data.Bool false]})
#  ]eof}
#  
#  Holy Moly, the error is quite frightening! As mentioned earlier in the guide,
# @@ -350,16 +350,17 @@ Error
#        (Yocaml.Data.Validation.Missing_field
#          {Yocaml.Data.Validation.field = "username"},
#        [Yocaml.Data.Validation.Invalid_field
# -        {Yocaml.Data.Validation.given = Yocaml.Data.Bool true; field = "age";
# +        {Yocaml.Data.Validation.given = Yocaml__Data.Bool true;
# +         field = "age";
#           error =
#            Yocaml.Data.Validation.Invalid_shape
#             {Yocaml.Data.Validation.expected = "int";
# -            given = Yocaml.Data.Bool true}};
# +            given = Yocaml__Data.Bool true}};
#         Yocaml.Data.Validation.Invalid_field
#          {Yocaml.Data.Validation.given =
# -          Yocaml.Data.List
# -           [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -            Yocaml.Data.Int 4];
# +          Yocaml__Data.List
# +           [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +            Yocaml__Data.Int 4];
#           field = "nouns";
#           error =
#            Yocaml.Data.Validation.Invalid_list
# @@ -368,29 +369,29 @@ Error
#                ((3,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 4}),
# +                  given = Yocaml__Data.Int 4}),
#                [(2,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 3});
# +                  given = Yocaml__Data.Int 3});
#                 (1,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 2});
# +                  given = Yocaml__Data.Int 2});
#                 (0,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 1})]);
# +                  given = Yocaml__Data.Int 1})]);
#              given =
# -             [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -              Yocaml.Data.Int 4]}}]);
# +             [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +              Yocaml__Data.Int 4]}}]);
#      given =
# -     [("usernme", Yocaml.Data.String "JohnDoe42");
# -      ("age", Yocaml.Data.Bool true);
# +     [("usernme", Yocaml__Data.String "JohnDoe42");
# +      ("age", Yocaml__Data.Bool true);
#        ("nouns",
# -       Yocaml.Data.List
# -        [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -         Yocaml.Data.Int 4])]})
# +       Yocaml__Data.List
# +        [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +         Yocaml__Data.Int 4])]})
#  ]eof}
#  
#  
# @@ -475,7 +476,8 @@ An trying to validate something invalid leads to an error:
#  {eof@ocaml[
#  # option_int (D.string "15") ;;
#  - : int option V.validated_value =
# -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.String "15"})
# +Error
# + (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.String "15"})
#  ]eof}
#  
#  {3 Dealing with products}
# @@ -524,17 +526,17 @@ Error
#     {V.errors =
#       Yocaml__.Nel.(::)
#        (V.Invalid_field
# -        {V.given = Yocaml.Data.Bool false; field = "fst";
# +        {V.given = Yocaml__Data.Bool false; field = "fst";
#           error =
#            V.Invalid_shape
# -           {V.expected = "strict-string"; given = Yocaml.Data.Bool false}},
# +           {V.expected = "strict-string"; given = Yocaml__Data.Bool false}},
#        [V.Invalid_field
# -        {V.given = Yocaml.Data.String "foo"; field = "snd";
# +        {V.given = Yocaml__Data.String "foo"; field = "snd";
#           error =
#            V.Invalid_shape
# -           {V.expected = "int"; given = Yocaml.Data.String "foo"}}]);
# +           {V.expected = "int"; given = Yocaml__Data.String "foo"}}]);
#      given =
# -     [("fst", Yocaml.Data.Bool false); ("snd", Yocaml.Data.String "foo")]})
# +     [("fst", Yocaml__Data.Bool false); ("snd", Yocaml__Data.String "foo")]})
#  ]eof}
#  
#  Which gives us some information about how the products are encoded under the
# @@ -610,7 +612,7 @@ hood:
#  Error
#   (V.Invalid_shape
#     {V.expected = "Left <abstr> | Right <abstr>";
# -    given = Yocaml.Data.String "foo"})
# +    given = Yocaml__Data.String "foo"})
#  ]eof}
#  
#  by trying to validate an [option] as an [either] doesn't give us much
# @@ -715,7 +717,7 @@ Error
#   (Yocaml.Data.Validation.Invalid_shape
#     {Yocaml.Data.Validation.expected =
#       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
# -    given = Yocaml.Data.Int 64})
# +    given = Yocaml__Data.Int 64})
#  ]eof}
#  
#  And let's observe an invalid constructor, we learn more about the representation
# @@ -729,8 +731,8 @@ Error
#     {Yocaml.Data.Validation.expected =
#       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
#      given =
# -     Yocaml.Data.Record
# -      [("constr", Yocaml.Data.String "arf"); ("value", Yocaml.Data.Int 10)]})
# +     Yocaml__Data.Record
# +      [("constr", Yocaml__Data.String "arf"); ("value", Yocaml__Data.Int 10)]})
#  ]eof}
#  
#  The validation of the sums is a little less secure than one might hope because
# @@ -1002,7 +1004,7 @@ Result.Error
#     {Yocaml.Data.Validation.errors =
#       Yocaml__.Nel.(::)
#        (Yocaml.Data.Validation.Invalid_field
# -        {Yocaml.Data.Validation.given = Yocaml.Data.String "JohnDoe43";
# +        {Yocaml.Data.Validation.given = Yocaml__Data.String "JohnDoe43";
#           field = "username_confirmation";
#           error =
#            Yocaml.Data.Validation.With_message
# @@ -1010,14 +1012,14 @@ Result.Error
#              message = "should be equal to JohnDoe42"}},
#        []);
#      given =
# -     [("username", Yocaml.Data.String "JohnDoe42");
# -      ("age", Yocaml.Data.Int 42);
# +     [("username", Yocaml__Data.String "JohnDoe42");
# +      ("age", Yocaml__Data.Int 42);
#        ("nouns",
# -       Yocaml.Data.List
# -        [Yocaml.Data.String "he"; Yocaml.Data.String "him";
# -         Yocaml.Data.String "his"; Yocaml.Data.String "himself"]);
# -      ("email", Yocaml.Data.String "jdoe@name.com");
# -      ("username_confirmation", Yocaml.Data.String "JohnDoe43")]})
# +       Yocaml__Data.List
# +        [Yocaml__Data.String "he"; Yocaml__Data.String "him";
# +         Yocaml__Data.String "his"; Yocaml__Data.String "himself"]);
# +      ("email", Yocaml__Data.String "jdoe@name.com");
# +      ("username_confirmation", Yocaml__Data.String "JohnDoe43")]})
#  ]eof}
#  
#  In some cases, dependent validation makes it possible to construct increasingly



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build yocaml_otoml 2.8.0
+- 
+- The following changes have been performed
| - remove    yocaml_otoml  2.8.0
| - recompile logs          0.10.0
| - recompile otoml         1.0.5
| - recompile uutf          1.0.4
| - recompile yocaml        2.8.0
| - install   astring       0.8.5
| - install   camlp-streams 5.0.1
| - install   cmdliner      2.1.0
| - install   cppo          1.8.0
| - install   fmt           0.11.0
| - install   mdx           2.5.1
| - install   ocaml-version 4.0.4
| - install   re            1.14.0
| - install   result        1.5
+- 
# 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/5.4/.opam-switch/backup/state-20260325220722.export"
Or you can retry to install your package selection with:
    /usr/bin/opam install --restore
2026-03-25 22:08.13 ---> saved as "d4ace0b1b9d6fcc84b4713b8c77e9c7b08cbe6717ac8723adf3d616830407ed6"

/home/opam: (run (shell  "opam reinstall --with-test --verbose yocaml_otoml.2.8.0;\
                        \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 \"$pkg\" != 'yocaml_otoml.2.8.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
yocaml_otoml.2.8.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 1 package
  - install yocaml_otoml 2.8.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
Processing  1/3: [yocaml_otoml.2.8.0: extract]
-> retrieved yocaml_otoml.2.8.0  (cached)
Processing  2/3: [yocaml_otoml: dune build]
+ /home/opam/.opam/opam-init/hooks/sandbox.sh "build" "dune" "build" "-p" "yocaml_otoml" "-j" "71" "@install" "@runtest" (CWD=/home/opam/.opam/5.4/.opam-switch/build/yocaml_otoml.2.8.0)
[ERROR] The compilation of yocaml_otoml.2.8.0 failed at "dune build -p yocaml_otoml -j 71 @install @runtest".

#=== ERROR while compiling yocaml_otoml.2.8.0 =================================#
# context              2.5.0 | linux/x86_64 | ocaml-variants.5.4.0~beta1+options | file:///home/opam/opam-repository
# path                 ~/.opam/5.4/.opam-switch/build/yocaml_otoml.2.8.0
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p yocaml_otoml -j 71 @install @runtest
# exit-code            1
# env-file             ~/.opam/log/yocaml_otoml-7-3c94b8.env
# output-file          ~/.opam/log/yocaml_otoml-7-3c94b8.out
### output ###
# File "doc/data_validation.mld", line 1, characters 0-0:
# /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/doc/data_validation.mld _build/default/doc/.mdx/data_validation.mld.corrected
# diff --git a/_build/default/doc/data_validation.mld b/_build/default/doc/.mdx/data_validation.mld.corrected
# index 896e6cc..99b78ef 100644
# --- a/_build/default/doc/data_validation.mld
# +++ b/_build/default/doc/.mdx/data_validation.mld.corrected
# @@ -120,7 +120,7 @@ Let's try to validate an incorrect entry. For example, let's try to treat a
#  {@ocaml[
#  # V.int (D.bool true) ;;
#  - : int V.validated_value =
# -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.Bool true})
# +Error (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.Bool true})
#  ]}
#  
#  As you can see, {!val:Yocaml.Data.Validation.bool} refuses to consider a number
# @@ -170,7 +170,7 @@ boolean as a string:
#  - : string V.validated_value =
#  Error
#   (V.Invalid_shape
# -   {V.expected = "strict-string"; given = Yocaml.Data.Bool true})
# +   {V.expected = "strict-string"; given = Yocaml__Data.Bool true})
#  ]}
#  
#  However, if you validate the boolean as a non-strict string, it will be
# @@ -227,13 +227,13 @@ Error
#       Yocaml__.Nel.(::)
#        ((3,
#          V.Invalid_shape
# -         {V.expected = "strict-string"; given = Yocaml.Data.Bool false}),
# +         {V.expected = "strict-string"; given = Yocaml__Data.Bool false}),
#        [(1,
#          V.Invalid_shape
# -         {V.expected = "strict-string"; given = Yocaml.Data.Int 42})]);
# +         {V.expected = "strict-string"; given = Yocaml__Data.Int 42})]);
#      given =
# -     [Yocaml.Data.String "hello"; Yocaml.Data.Int 42;
# -      Yocaml.Data.String "world"; Yocaml.Data.Bool false]})
# +     [Yocaml__Data.String "hello"; Yocaml__Data.Int 42;
# +      Yocaml__Data.String "world"; Yocaml__Data.Bool false]})
#  ]eof}
#  
#  Holy Moly, the error is quite frightening! As mentioned earlier in the guide,
# @@ -350,16 +350,17 @@ Error
#        (Yocaml.Data.Validation.Missing_field
#          {Yocaml.Data.Validation.field = "username"},
#        [Yocaml.Data.Validation.Invalid_field
# -        {Yocaml.Data.Validation.given = Yocaml.Data.Bool true; field = "age";
# +        {Yocaml.Data.Validation.given = Yocaml__Data.Bool true;
# +         field = "age";
#           error =
#            Yocaml.Data.Validation.Invalid_shape
#             {Yocaml.Data.Validation.expected = "int";
# -            given = Yocaml.Data.Bool true}};
# +            given = Yocaml__Data.Bool true}};
#         Yocaml.Data.Validation.Invalid_field
#          {Yocaml.Data.Validation.given =
# -          Yocaml.Data.List
# -           [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -            Yocaml.Data.Int 4];
# +          Yocaml__Data.List
# +           [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +            Yocaml__Data.Int 4];
#           field = "nouns";
#           error =
#            Yocaml.Data.Validation.Invalid_list
# @@ -368,29 +369,29 @@ Error
#                ((3,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 4}),
# +                  given = Yocaml__Data.Int 4}),
#                [(2,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 3});
# +                  given = Yocaml__Data.Int 3});
#                 (1,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 2});
# +                  given = Yocaml__Data.Int 2});
#                 (0,
#                  Yocaml.Data.Validation.Invalid_shape
#                   {Yocaml.Data.Validation.expected = "strict-string";
# -                  given = Yocaml.Data.Int 1})]);
# +                  given = Yocaml__Data.Int 1})]);
#              given =
# -             [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -              Yocaml.Data.Int 4]}}]);
# +             [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +              Yocaml__Data.Int 4]}}]);
#      given =
# -     [("usernme", Yocaml.Data.String "JohnDoe42");
# -      ("age", Yocaml.Data.Bool true);
# +     [("usernme", Yocaml__Data.String "JohnDoe42");
# +      ("age", Yocaml__Data.Bool true);
#        ("nouns",
# -       Yocaml.Data.List
# -        [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
# -         Yocaml.Data.Int 4])]})
# +       Yocaml__Data.List
# +        [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
# +         Yocaml__Data.Int 4])]})
#  ]eof}
#  
#  
# @@ -475,7 +476,8 @@ An trying to validate something invalid leads to an error:
#  {eof@ocaml[
#  # option_int (D.string "15") ;;
#  - : int option V.validated_value =
# -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.String "15"})
# +Error
# + (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.String "15"})
#  ]eof}
#  
#  {3 Dealing with products}
# @@ -524,17 +526,17 @@ Error
#     {V.errors =
#       Yocaml__.Nel.(::)
#        (V.Invalid_field
# -        {V.given = Yocaml.Data.Bool false; field = "fst";
# +        {V.given = Yocaml__Data.Bool false; field = "fst";
#           error =
#            V.Invalid_shape
# -           {V.expected = "strict-string"; given = Yocaml.Data.Bool false}},
# +           {V.expected = "strict-string"; given = Yocaml__Data.Bool false}},
#        [V.Invalid_field
# -        {V.given = Yocaml.Data.String "foo"; field = "snd";
# +        {V.given = Yocaml__Data.String "foo"; field = "snd";
#           error =
#            V.Invalid_shape
# -           {V.expected = "int"; given = Yocaml.Data.String "foo"}}]);
# +           {V.expected = "int"; given = Yocaml__Data.String "foo"}}]);
#      given =
# -     [("fst", Yocaml.Data.Bool false); ("snd", Yocaml.Data.String "foo")]})
# +     [("fst", Yocaml__Data.Bool false); ("snd", Yocaml__Data.String "foo")]})
#  ]eof}
#  
#  Which gives us some information about how the products are encoded under the
# @@ -610,7 +612,7 @@ hood:
#  Error
#   (V.Invalid_shape
#     {V.expected = "Left <abstr> | Right <abstr>";
# -    given = Yocaml.Data.String "foo"})
# +    given = Yocaml__Data.String "foo"})
#  ]eof}
#  
#  by trying to validate an [option] as an [either] doesn't give us much
# @@ -715,7 +717,7 @@ Error
#   (Yocaml.Data.Validation.Invalid_shape
#     {Yocaml.Data.Validation.expected =
#       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
# -    given = Yocaml.Data.Int 64})
# +    given = Yocaml__Data.Int 64})
#  ]eof}
#  
#  And let's observe an invalid constructor, we learn more about the representation
# @@ -729,8 +731,8 @@ Error
#     {Yocaml.Data.Validation.expected =
#       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
#      given =
# -     Yocaml.Data.Record
# -      [("constr", Yocaml.Data.String "arf"); ("value", Yocaml.Data.Int 10)]})
# +     Yocaml__Data.Record
# +      [("constr", Yocaml__Data.String "arf"); ("value", Yocaml__Data.Int 10)]})
#  ]eof}
#  
#  The validation of the sums is a little less secure than one might hope because
# @@ -1002,7 +1004,7 @@ Result.Error
#     {Yocaml.Data.Validation.errors =
#       Yocaml__.Nel.(::)
#        (Yocaml.Data.Validation.Invalid_field
# -        {Yocaml.Data.Validation.given = Yocaml.Data.String "JohnDoe43";
# +        {Yocaml.Data.Validation.given = Yocaml__Data.String "JohnDoe43";
#           field = "username_confirmation";
#           error =
#            Yocaml.Data.Validation.With_message
# @@ -1010,14 +1012,14 @@ Result.Error
#              message = "should be equal to JohnDoe42"}},
#        []);
#      given =
# -     [("username", Yocaml.Data.String "JohnDoe42");
# -      ("age", Yocaml.Data.Int 42);
# +     [("username", Yocaml__Data.String "JohnDoe42");
# +      ("age", Yocaml__Data.Int 42);
#        ("nouns",
# -       Yocaml.Data.List
# -        [Yocaml.Data.String "he"; Yocaml.Data.String "him";
# -         Yocaml.Data.String "his"; Yocaml.Data.String "himself"]);
# -      ("email", Yocaml.Data.String "jdoe@name.com");
# -      ("username_confirmation", Yocaml.Data.String "JohnDoe43")]})
# +       Yocaml__Data.List
# +        [Yocaml__Data.String "he"; Yocaml__Data.String "him";
# +         Yocaml__Data.String "his"; Yocaml__Data.String "himself"]);
# +      ("email", Yocaml__Data.String "jdoe@name.com");
# +      ("username_confirmation", Yocaml__Data.String "JohnDoe43")]})
#  ]eof}
#  
#  In some cases, dependent validation makes it possible to construct increasingly

- File "doc/data_validation.mld", line 1, characters 0-0:
- /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/doc/data_validation.mld _build/default/doc/.mdx/data_validation.mld.corrected
- diff --git a/_build/default/doc/data_validation.mld b/_build/default/doc/.mdx/data_validation.mld.corrected
- index 896e6cc..99b78ef 100644
- --- a/_build/default/doc/data_validation.mld
- +++ b/_build/default/doc/.mdx/data_validation.mld.corrected
- @@ -120,7 +120,7 @@ Let's try to validate an incorrect entry. For example, let's try to treat a
-  {@ocaml[
-  # V.int (D.bool true) ;;
-  - : int V.validated_value =
- -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.Bool true})
- +Error (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.Bool true})
-  ]}
-  
-  As you can see, {!val:Yocaml.Data.Validation.bool} refuses to consider a number
- @@ -170,7 +170,7 @@ boolean as a string:
-  - : string V.validated_value =
-  Error
-   (V.Invalid_shape
- -   {V.expected = "strict-string"; given = Yocaml.Data.Bool true})
- +   {V.expected = "strict-string"; given = Yocaml__Data.Bool true})
-  ]}
-  
-  However, if you validate the boolean as a non-strict string, it will be
- @@ -227,13 +227,13 @@ Error
-       Yocaml__.Nel.(::)
-        ((3,
-          V.Invalid_shape
- -         {V.expected = "strict-string"; given = Yocaml.Data.Bool false}),
- +         {V.expected = "strict-string"; given = Yocaml__Data.Bool false}),
-        [(1,
-          V.Invalid_shape
- -         {V.expected = "strict-string"; given = Yocaml.Data.Int 42})]);
- +         {V.expected = "strict-string"; given = Yocaml__Data.Int 42})]);
-      given =
- -     [Yocaml.Data.String "hello"; Yocaml.Data.Int 42;
- -      Yocaml.Data.String "world"; Yocaml.Data.Bool false]})
- +     [Yocaml__Data.String "hello"; Yocaml__Data.Int 42;
- +      Yocaml__Data.String "world"; Yocaml__Data.Bool false]})
-  ]eof}
-  
-  Holy Moly, the error is quite frightening! As mentioned earlier in the guide,
- @@ -350,16 +350,17 @@ Error
-        (Yocaml.Data.Validation.Missing_field
-          {Yocaml.Data.Validation.field = "username"},
-        [Yocaml.Data.Validation.Invalid_field
- -        {Yocaml.Data.Validation.given = Yocaml.Data.Bool true; field = "age";
- +        {Yocaml.Data.Validation.given = Yocaml__Data.Bool true;
- +         field = "age";
-           error =
-            Yocaml.Data.Validation.Invalid_shape
-             {Yocaml.Data.Validation.expected = "int";
- -            given = Yocaml.Data.Bool true}};
- +            given = Yocaml__Data.Bool true}};
-         Yocaml.Data.Validation.Invalid_field
-          {Yocaml.Data.Validation.given =
- -          Yocaml.Data.List
- -           [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
- -            Yocaml.Data.Int 4];
- +          Yocaml__Data.List
- +           [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
- +            Yocaml__Data.Int 4];
-           field = "nouns";
-           error =
-            Yocaml.Data.Validation.Invalid_list
- @@ -368,29 +369,29 @@ Error
-                ((3,
-                  Yocaml.Data.Validation.Invalid_shape
-                   {Yocaml.Data.Validation.expected = "strict-string";
- -                  given = Yocaml.Data.Int 4}),
- +                  given = Yocaml__Data.Int 4}),
-                [(2,
-                  Yocaml.Data.Validation.Invalid_shape
-                   {Yocaml.Data.Validation.expected = "strict-string";
- -                  given = Yocaml.Data.Int 3});
- +                  given = Yocaml__Data.Int 3});
-                 (1,
-                  Yocaml.Data.Validation.Invalid_shape
-                   {Yocaml.Data.Validation.expected = "strict-string";
- -                  given = Yocaml.Data.Int 2});
- +                  given = Yocaml__Data.Int 2});
-                 (0,
-                  Yocaml.Data.Validation.Invalid_shape
-                   {Yocaml.Data.Validation.expected = "strict-string";
- -                  given = Yocaml.Data.Int 1})]);
- +                  given = Yocaml__Data.Int 1})]);
-              given =
- -             [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
- -              Yocaml.Data.Int 4]}}]);
- +             [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
- +              Yocaml__Data.Int 4]}}]);
-      given =
- -     [("usernme", Yocaml.Data.String "JohnDoe42");
- -      ("age", Yocaml.Data.Bool true);
- +     [("usernme", Yocaml__Data.String "JohnDoe42");
- +      ("age", Yocaml__Data.Bool true);
-        ("nouns",
- -       Yocaml.Data.List
- -        [Yocaml.Data.Int 1; Yocaml.Data.Int 2; Yocaml.Data.Int 3;
- -         Yocaml.Data.Int 4])]})
- +       Yocaml__Data.List
- +        [Yocaml__Data.Int 1; Yocaml__Data.Int 2; Yocaml__Data.Int 3;
- +         Yocaml__Data.Int 4])]})
-  ]eof}
-  
-  
- @@ -475,7 +476,8 @@ An trying to validate something invalid leads to an error:
-  {eof@ocaml[
-  # option_int (D.string "15") ;;
-  - : int option V.validated_value =
- -Error (V.Invalid_shape {V.expected = "int"; given = Yocaml.Data.String "15"})
- +Error
- + (V.Invalid_shape {V.expected = "int"; given = Yocaml__Data.String "15"})
-  ]eof}
-  
-  {3 Dealing with products}
- @@ -524,17 +526,17 @@ Error
-     {V.errors =
-       Yocaml__.Nel.(::)
-        (V.Invalid_field
- -        {V.given = Yocaml.Data.Bool false; field = "fst";
- +        {V.given = Yocaml__Data.Bool false; field = "fst";
-           error =
-            V.Invalid_shape
- -           {V.expected = "strict-string"; given = Yocaml.Data.Bool false}},
- +           {V.expected = "strict-string"; given = Yocaml__Data.Bool false}},
-        [V.Invalid_field
- -        {V.given = Yocaml.Data.String "foo"; field = "snd";
- +        {V.given = Yocaml__Data.String "foo"; field = "snd";
-           error =
-            V.Invalid_shape
- -           {V.expected = "int"; given = Yocaml.Data.String "foo"}}]);
- +           {V.expected = "int"; given = Yocaml__Data.String "foo"}}]);
-      given =
- -     [("fst", Yocaml.Data.Bool false); ("snd", Yocaml.Data.String "foo")]})
- +     [("fst", Yocaml__Data.Bool false); ("snd", Yocaml__Data.String "foo")]})
-  ]eof}
-  
-  Which gives us some information about how the products are encoded under the
- @@ -610,7 +612,7 @@ hood:
-  Error
-   (V.Invalid_shape
-     {V.expected = "Left <abstr> | Right <abstr>";
- -    given = Yocaml.Data.String "foo"})
- +    given = Yocaml__Data.String "foo"})
-  ]eof}
-  
-  by trying to validate an [option] as an [either] doesn't give us much
- @@ -715,7 +717,7 @@ Error
-   (Yocaml.Data.Validation.Invalid_shape
-     {Yocaml.Data.Validation.expected =
-       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
- -    given = Yocaml.Data.Int 64})
- +    given = Yocaml__Data.Int 64})
-  ]eof}
-  
-  And let's observe an invalid constructor, we learn more about the representation
- @@ -729,8 +731,8 @@ Error
-     {Yocaml.Data.Validation.expected =
-       "Aaf <abstr> | Bcwrz <abstr> | Krups <abstr> | Kalco <abstr> | Piou <abstr> | Xxxx <abstr> | Zzzz <abstr>";
-      given =
- -     Yocaml.Data.Record
- -      [("constr", Yocaml.Data.String "arf"); ("value", Yocaml.Data.Int 10)]})
- +     Yocaml__Data.Record
- +      [("constr", Yocaml__Data.String "arf"); ("value", Yocaml__Data.Int 10)]})
-  ]eof}
-  
-  The validation of the sums is a little less secure than one might hope because
- @@ -1002,7 +1004,7 @@ Result.Error
-     {Yocaml.Data.Validation.errors =
-       Yocaml__.Nel.(::)
-        (Yocaml.Data.Validation.Invalid_field
- -        {Yocaml.Data.Validation.given = Yocaml.Data.String "JohnDoe43";
- +        {Yocaml.Data.Validation.given = Yocaml__Data.String "JohnDoe43";
-           field = "username_confirmation";
-           error =
-            Yocaml.Data.Validation.With_message
- @@ -1010,14 +1012,14 @@ Result.Error
-              message = "should be equal to JohnDoe42"}},
-        []);
-      given =
- -     [("username", Yocaml.Data.String "JohnDoe42");
- -      ("age", Yocaml.Data.Int 42);
- +     [("username", Yocaml__Data.String "JohnDoe42");
- +      ("age", Yocaml__Data.Int 42);
-        ("nouns",
- -       Yocaml.Data.List
- -        [Yocaml.Data.String "he"; Yocaml.Data.String "him";
- -         Yocaml.Data.String "his"; Yocaml.Data.String "himself"]);
- -      ("email", Yocaml.Data.String "jdoe@name.com");
- -      ("username_confirmation", Yocaml.Data.String "JohnDoe43")]})
- +       Yocaml__Data.List
- +        [Yocaml__Data.String "he"; Yocaml__Data.String "him";
- +         Yocaml__Data.String "his"; Yocaml__Data.String "himself"]);
- +      ("email", Yocaml__Data.String "jdoe@name.com");
- +      ("username_confirmation", Yocaml__Data.String "JohnDoe43")]})
-  ]eof}
-  
-  In some cases, dependent validation makes it possible to construct increasingly


<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build yocaml_otoml 2.8.0
+- 
- No changes have been performed
# To update the current shell environment, run: eval $(opam env)
'opam reinstall --with-test --verbose yocaml_otoml.2.8.0' failed.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose yocaml_otoml.2.8.0;
        res=$?;
        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 "$pkg" != 'yocaml_otoml.2.8.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-25 22:09.32: Job failed: Failed: Build failed
2026-03-25 22:09.32: Log analysis:
2026-03-25 22:09.32: >>> 
[ERROR] The compilation of yocaml_otoml.2.8.0 failed at "dune build -p yocaml_otoml -j 71 @install @runtest".
 (score = 20)
2026-03-25 22:09.32: >>> 
[ERROR] The compilation of yocaml_otoml.2.8.0 failed at "dune build -p yocaml_otoml -j 71 @install @runtest".
 (score = 20)
2026-03-25 22:09.32: The compilation of yocaml_otoml.2.8.0 failed at "dune build -p yocaml_otoml -j 71 @install @runtest".