(for PR #29402)

2026-04-27 07:45.28: New job: build shibboleth.0.0.5, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29402/head (2ddeadc17128da5d11a0827bd0757076bc84995b)
                              on alpine-3.23-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29402/head" && git reset --hard 2ddeadc1
git fetch origin master
git merge --no-edit d5058a91d400180e2118d7eeefa040cfcee45d2c
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn shibboleth.0.0.5 0.0.5
RUN opam reinstall shibboleth.0.0.5; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"alpine-3.23\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'shibboleth.0.0.5' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2026-04-27 07:45.28: Using cache hint "ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9-shibboleth.0.0.5-2ddeadc17128da5d11a0827bd0757076bc84995b"
2026-04-27 07:45.28: Using OBuilder spec:
((from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9)
 (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 shibboleth.0.0.5 0.0.5"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall shibboleth.0.0.5;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"alpine-3.23\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'shibboleth.0.0.5' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-27 07:45.28: Connecting to build cluster…
2026-04-27 07:45.28: Waiting for resource in pool OCluster
2026-04-27 07:45.29: Waiting for worker…
2026-04-27 07:48.28: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at d5058a91d4 Merge pull request #29801 from YuriyKrasilnikov/opam-publish-idna.0.4.0
Merge made by the 'ort' strategy.
 packages/shibboleth/shibboleth.0.0.5/opam | 57 +++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 packages/shibboleth/shibboleth.0.0.5/opam

(from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9)
Unable to find image 'ocaml/opam:alpine-3.23-ocaml-4.14@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9' locally
docker.io/ocaml/opam@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9: Pulling from ocaml/opam
6a0ac1617861: Already exists
9630673831f3: Pulling fs layer
4cffb540229a: Pulling fs layer
aa3cee094119: Pulling fs layer
f2700202f619: Pulling fs layer
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f2700202f619: Waiting
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767edc63c5be: Download complete
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Digest: sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9
Status: Downloaded newer image for ocaml/opam@sha256:c98c3afc38d39340ca2b1e9c3c1b8c127283806cba433dd4865c01d18c619ef9
2026-04-27 08:01.02 ---> using "8e65bc4d84a4bbc3f291f4c89c5f0411ea9740fc4228eddb2c11cbc44748b04d" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-04-27 08:01.02 ---> using "675c877c9dd486f641aee3378b59285238ab2b565463dcdb193b45608fd93b81" 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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches
[default] Initialised
2026-04-27 08:01.02 ---> using "a88ef8b7fb3aa3efabd87d4593879d154a4323a2f4d086ab73e1cdbcf7918269" 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=x86_64 os=linux os-distribution=alpine os-version=3.23.4
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 255
# repositories         2 (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
2026-04-27 08:01.02 ---> using "636b99ed7c292adfd5c94f091ec6e2d271a13089a57db5c9b45f98e4a6e23269" 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/"))
2026-04-27 08:01.02 ---> using "139d3baade1b3746ddb5cd8cea87afe31917f294090b5c8d8bf4ccbce794d121" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-27 08:01.33 ---> saved as "df72737e1dbfd35a5e4138343e65e2dbd13fa470e2e52c352cb604741c69736a"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-27 08:01.55 ---> saved as "51373d7736b09370efaf985738d46e1c72456c8ab3e3ed712570963ccd66d218"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apk" "update"
- v3.23.4-59-gb9ff5fecad9 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]
- v3.23.4-62-gc06bcbb6e5a [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]
- v20260127-8558-gb12fae68f31 [https://dl-cdn.alpinelinux.org/alpine/edge/main]
- v20260127-8559-g6fd958a3511 [https://dl-cdn.alpinelinux.org/alpine/edge/community]
- v20260127-8554-gb33de4ab903 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]
- OK: 62090 distinct packages available
2026-04-27 08:01.58 ---> saved as "5c4d7f47e7a508a52a232efd6482c47e94b5f826c54785f7a3ba6ce1b5cc23e2"

/home/opam: (run (shell "opam pin add -k version -yn shibboleth.0.0.5 0.0.5"))
shibboleth is now pinned to version 0.0.5
2026-04-27 08:02.01 ---> saved as "5c779404fd5d1799483af93526184bbc81c7557688c4efe73373b3850cb3903f"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall shibboleth.0.0.5;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"alpine-3.23\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'shibboleth.0.0.5' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
shibboleth.0.0.5 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 38 packages
  - install astring             0.8.5          [required by bos]
  - install base                v0.16.5        [required by ppx_sexp_conv]
  - install bos                 0.3.0          [required by shibboleth]
  - install cmdliner            2.1.1          [required by shibboleth]
  - install containers          3.18           [required by shibboleth]
  - install cppo                1.8.0          [required by ppx_deriving]
  - install csexp               1.5.2          [required by dune-configurator]
  - install dune                3.22.2         [required by shibboleth]
  - install dune-configurator   3.22.2         [required by containers]
  - install either              1.0.0          [required by containers]
  - install ez_file             0.3.0          [required by shibboleth]
  - install fmt                 0.11.0         [required by shibboleth]
  - install fpath               0.7.3          [required by shibboleth]
  - install logs                0.10.0         [required by bos]
  - install menhir              20260209       [required by shibboleth]
  - install menhirCST           20260209       [required by menhir]
  - install menhirGLR           20260209       [required by menhir]
  - install menhirLib           20260209       [required by shibboleth]
  - install menhirSdk           20260209       [required by menhir]
  - install num                 1.6            [required by sexplib]
  - install ocaml-compiler-libs v0.12.4        [required by ppxlib]
  - install ocamlbuild          0.16.1         [required by bos]
  - install ocamlfind           1.9.8          [required by bos, ppx_deriving]
  - install ocplib_stuff        0.4.0          [required by ez_file]
  - install parsexp             v0.16.0        [required by sexplib]
  - install ppx_derivers        1.2.1          [required by ppx_deriving]
  - install ppx_deriving        6.0.3          [required by shibboleth]
  - install ppx_import          1.12.0         [required by shibboleth]
  - install ppx_sexp_conv       v0.16.0        [required by shibboleth]
  - install ppxlib              0.35.0         [required by shibboleth]
  - install re                  1.14.0         [required by shibboleth]
  - install rresult             0.7.0          [required by bos]
  - install sexplib             v0.16.0        [required by shibboleth]
  - install sexplib0            v0.16.0        [required by shibboleth]
  - install shibboleth          0.0.5 (pinned)
  - install stdlib-shims        0.3.0          [required by ppxlib]
  - install topkg               1.1.1          [required by bos]
  - install yojson              3.0.0          [required by shibboleth]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (cached)
-> retrieved base.v0.16.5  (cached)
-> retrieved bos.0.3.0  (cached)
-> retrieved cmdliner.2.1.1  (cached)
-> retrieved containers.3.18  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.22.2, dune-configurator.3.22.2  (cached)
-> retrieved either.1.0.0  (cached)
-> retrieved ez_file.0.3.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved logs.0.10.0  (cached)
-> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209  (cached)
-> retrieved num.1.6  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> installed cmdliner.2.1.1
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib_stuff.0.4.0  (cached)
-> retrieved parsexp.v0.16.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.0.3  (cached)
-> retrieved ppx_import.1.12.0  (cached)
-> retrieved ppx_sexp_conv.v0.16.0  (cached)
-> retrieved ppxlib.0.35.0  (cached)
-> retrieved re.1.14.0  (cached)
-> retrieved rresult.0.7.0  (cached)
-> retrieved sexplib.v0.16.0  (cached)
-> retrieved sexplib0.v0.16.0  (cached)
[ERROR] Failed to get sources of shibboleth.0.0.5: Bad checksum
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved yojson.3.0.0  (cached)
-> installed num.1.6
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed rresult.0.7.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed fpath.0.7.3
-> installed logs.0.10.0
-> installed bos.0.3.0
-> installed dune.3.22.2
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed either.1.0.0
-> installed menhirCST.20260209
-> installed menhirGLR.20260209
-> installed menhirLib.20260209
-> installed menhirSdk.20260209
-> installed ocaml-compiler-libs.v0.12.4
-> installed ppx_derivers.1.2.1
-> installed re.1.14.0
-> installed sexplib0.v0.16.0
-> installed stdlib-shims.0.3.0
-> installed yojson.3.0.0
-> installed ocplib_stuff.0.4.0
-> installed dune-configurator.3.22.2
-> installed ez_file.0.3.0
-> installed parsexp.v0.16.0
-> installed sexplib.v0.16.0
-> installed containers.3.18
-> installed base.v0.16.5
-> installed menhir.20260209
-> installed ppxlib.0.35.0
-> installed ppx_import.1.12.0
-> installed ppx_sexp_conv.v0.16.0
-> installed ppx_deriving.6.0.3

#=== ERROR while fetching sources for shibboleth.0.0.5 ========================#
OpamSolution.Fetch_fail("https://github.com/wizard7377/sml-ocaml-converter/archive/refs/tags/v0.0.1.tar.gz (Bad checksum, expected md5=f0ac6bce0c87d0fc8d2409abd810211f)")


<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - fetch shibboleth 0.0.5
+- 
+- The following changes have been performed
| - install astring             0.8.5
| - install base                v0.16.5
| - install bos                 0.3.0
| - install cmdliner            2.1.1
| - install containers          3.18
| - install cppo                1.8.0
| - install csexp               1.5.2
| - install dune                3.22.2
| - install dune-configurator   3.22.2
| - install either              1.0.0
| - install ez_file             0.3.0
| - install fmt                 0.11.0
| - install fpath               0.7.3
| - install logs                0.10.0
| - install menhir              20260209
| - install menhirCST           20260209
| - install menhirGLR           20260209
| - install menhirLib           20260209
| - install menhirSdk           20260209
| - install num                 1.6
| - install ocaml-compiler-libs v0.12.4
| - install ocamlbuild          0.16.1
| - install ocamlfind           1.9.8
| - install ocplib_stuff        0.4.0
| - install parsexp             v0.16.0
| - install ppx_derivers        1.2.1
| - install ppx_deriving        6.0.3
| - install ppx_import          1.12.0
| - install ppx_sexp_conv       v0.16.0
| - install ppxlib              0.35.0
| - install re                  1.14.0
| - install rresult             0.7.0
| - install sexplib             v0.16.0
| - install sexplib0            v0.16.0
| - install stdlib-shims        0.3.0
| - install topkg               1.1.1
| - 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-20260427080204.export"
"/usr/bin/env" "bash" "-c" "opam reinstall shibboleth.0.0.5;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        partial_fails="";
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"alpine-3.23\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'shibboleth.0.0.5' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 40
2026-04-27 08:04.33: Job failed: Failed: Build failed
2026-04-27 08:04.33: Log analysis:
2026-04-27 08:04.33: >>> 
[ERROR] Failed to get sources of shibboleth.0.0.5: Bad checksum
 (score = 25)
2026-04-27 08:04.33: Failed to get sources of shibboleth.0.0.5: Bad checksum