(not at the head of any monitored branch or PR)
2026-04-10 13:59.40: New job: build piqi.0.7.8, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29701/head (91f16975e1d7e209f9e92c4df066c7270c9ad379)
                              on ubuntu-25.04-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29701/head" && git reset --hard 91f16975
git fetch origin master
git merge --no-edit 812fb968341c1eec82e23a29dcf794db8f990936
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn piqi.0.7.8 0.7.8
RUN opam reinstall piqi.0.7.8; \
    res=$?; \
    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 "\"ubuntu-25.04\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'piqi.0.7.8' && partial_fails="$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 .

2026-04-10 13:59.40: Using cache hint "ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd-piqi.0.7.8-91f16975e1d7e209f9e92c4df066c7270c9ad379"
2026-04-10 13:59.40: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd)
 (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 piqi.0.7.8 0.7.8"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall piqi.0.7.8;\
             \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 \"\\\"ubuntu-25.04\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'piqi.0.7.8' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-10 13:59.40: Waiting for resource in pool OCluster
2026-04-10 13:59.43: Waiting for worker…
2026-04-10 13:59.46: Got resource from pool OCluster
Building on doris.caelum.ci.dev
All commits already cached
HEAD is now at 812fb96834 Merge pull request #29689 from voodoos/release-merlin-v5.7.0-504
Updating 812fb96834..91f16975e1
Fast-forward
 packages/piqi/piqi.0.6.0/opam        | 2 +-
 packages/piqi/piqi.0.6.5/opam        | 2 +-
 packages/piqi/piqi.0.7.6/opam        | 2 +-
 packages/piqi/piqi.0.7.7/opam        | 2 +-
 packages/piqi/piqi.0.7.8/opam        | 2 +-
 packages/piqilib/piqilib.0.6.14/opam | 1 +
 packages/piqilib/piqilib.0.6.16/opam | 1 +
 7 files changed, 7 insertions(+), 5 deletions(-)

(from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd)
Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd' locally
docker.io/ocaml/opam@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd: Pulling from ocaml/opam
c62190a9ab61: Already exists
f1b90cdcec88: Pulling fs layer
f8127a040c1d: Pulling fs layer
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0d0f3574c57a: Pulling fs layer
aced54db9227: Pulling fs layer
628811db6b3c: Pulling fs layer
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2447f562704f: Waiting
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318cc58f031e: Pulling fs layer
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b4056aeacb3c: Waiting
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318cc58f031e: Waiting
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e87ce6e2ce9c: Waiting
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5ada2bd28652: Waiting
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f1b90cdcec88: Verifying Checksum
f1b90cdcec88: Download complete
f8127a040c1d: Verifying Checksum
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f8127a040c1d: Pull complete
0d0f3574c57a: Verifying Checksum
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Digest: sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd
Status: Downloaded newer image for ocaml/opam@sha256:ba998c69b56a2f121a97029bbf63f9a89246ec1563eb9dda8cfbd117f6fd8fdd
2026-04-10 14:01.43 ---> using "a60ec9a4df7089c80b4da5df1a789beeb3652e57c67af4604d798da749fc91bd" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-04-10 14:01.43 ---> using "863cdf94cc5bd211be13ebffa6324c2eab72a9a5a14dba08b7b7d3c62d5121c4" 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
2026-04-10 14:01.43 ---> using "e1638db74bcf701a470a6be9888f8a77a3a3a678dcdf129d725e911eb7d453b9" 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=ubuntu os-version=25.04
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 255
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {= "5.4.1"}]
# compiler-packages    ocaml-base-compiler.5.4.1, ocaml-compiler.5.4.1, 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       5.4.1
2026-04-10 14:01.43 ---> using "876cc9fc9d724ccee444c657158f4b5426ea82b2f58b162adfed74369ce93ea9" 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/"))
2026-04-10 14:01.43 ---> using "6816ac2772132f1b59519ec70c50e032328323391e8055eb6fa61f30a5680190" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-10 14:01.53 ---> saved as "fee212db7db29375574a2f5f1eb1b76ea7f2225d14a7123b0bf3fba283d30cfe"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-10 14:02.10 ---> saved as "ecc76b61a4c45c9780098daf0f06531b854921fbdb5eb72d00c3de0be6e65f19"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease
- Hit:2 http://archive.ubuntu.com/ubuntu plucky-updates InRelease
- Hit:3 http://archive.ubuntu.com/ubuntu plucky-backports InRelease
- Hit:4 http://security.ubuntu.com/ubuntu plucky-security InRelease
- Reading package lists...
- 
2026-04-10 14:02.12 ---> saved as "d5cde7163c5bff5cf208f431e21367f920e4f562998d29ce81244cadc0e6fd28"

/home/opam: (run (shell "opam pin add -k version -yn piqi.0.7.8 0.7.8"))
piqi is now pinned to version 0.7.8
2026-04-10 14:02.13 ---> saved as "d183863c84ef5a2b3c0699db3f9fc984fb6f2d1cd057e56ca697fef23444cc88"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall piqi.0.7.8;\
                        \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 \"\\\"ubuntu-25.04\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'piqi.0.7.8' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
piqi.0.7.8 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - piqi >= 0.7.8 -> ocaml < 5.4 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - piqi >= 0.7.8 -> ocaml < 5.4 -> ocaml-variants
  * Missing dependency:
    - piqi >= 0.7.8 -> ocaml < 5.4 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.1
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - piqi >= 0.7.8 -> ocaml < 5.4 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - piqi >= 0.7.8 -> ocaml < 5.4 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall piqi.0.7.8;
        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 "\"ubuntu-25.04\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'piqi.0.7.8' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-04-10 14:02.36: Job failed: Failed: Build failed
2026-04-10 14:02.36: Log analysis:
2026-04-10 14:02.36: >>> 
No solution found, exiting
 (score = 100)
2026-04-10 14:02.36: [SKIP] Package not available