(not at the head of any monitored branch or PR)
2026-04-10 13:59.40: New job: build piqi.0.7.7, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29701/head (91f16975e1d7e209f9e92c4df066c7270c9ad379)
                              on debian-12-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29701/head" && git reset --hard 91f16975
git fetch origin master
git merge --no-edit 812fb968341c1eec82e23a29dcf794db8f990936
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.4@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn piqi.0.7.7 0.7.7
RUN opam reinstall piqi.0.7.7; \
    res=$?; \
    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-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'piqi.0.7.7' && partial_fails="$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:debian-12-ocaml-5.4@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54-piqi.0.7.7-91f16975e1d7e209f9e92c4df066c7270c9ad379"
2026-04-10 13:59.40: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.4@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54)
 (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.0.7.7 0.7.7"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall piqi.0.7.7;\
             \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-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'piqi.0.7.7' && partial_fails=\"$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 13:59.44: Waiting for worker…
2026-04-10 14:01.59: 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:debian-12-ocaml-5.4@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.4@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54' locally
docker.io/ocaml/opam@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54: Pulling from ocaml/opam
9d2f29087bcd: Pulling fs layer
101327095a5d: Pulling fs layer
98cc0db8782e: Pulling fs layer
9a1303601e6e: Pulling fs layer
80a3ba3c39f2: Pulling fs layer
6ffa83066c0d: Pulling fs layer
cd084dc2269b: Pulling fs layer
6387e3814e06: Pulling fs layer
9a1303601e6e: Waiting
dc5cd148c772: Pulling fs layer
05eb72e358de: Pulling fs layer
80a3ba3c39f2: Waiting
354ef4e48d44: Pulling fs layer
6ffa83066c0d: Waiting
119252ebf51a: Pulling fs layer
53bd56e42b7e: Pulling fs layer
e2825bf868f2: Pulling fs layer
cd084dc2269b: Waiting
897e79ccfa99: Pulling fs layer
62519bb8e321: Pulling fs layer
6387e3814e06: Waiting
0d043502090c: Pulling fs layer
dc5cd148c772: Waiting
05eb72e358de: Waiting
342776e796e7: Pulling fs layer
354ef4e48d44: Waiting
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119252ebf51a: Waiting
32c75dee3288: Pulling fs layer
e2825bf868f2: Waiting
53bd56e42b7e: Waiting
62519bb8e321: Waiting
897e79ccfa99: Waiting
3d7f482cbe6c: Pulling fs layer
1d5eef19dce2: Pulling fs layer
6e021e6cce07: Waiting
342776e796e7: Waiting
4f4fb700ef54: Pulling fs layer
0f7d1fbe5ccd: Pulling fs layer
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42bfbb5f040b: Pulling fs layer
32c75dee3288: Waiting
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42bfbb5f040b: Waiting
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acb956666233: Pulling fs layer
e310dc17a7b2: Waiting
d761168a5daf: Pulling fs layer
81ec099b0323: Waiting
dee9f8fb3c11: Pulling fs layer
3268b5da1fd9: Pulling fs layer
acb956666233: Waiting
d761168a5daf: Waiting
b4345538540c: Pulling fs layer
0597523f21c8: Pulling fs layer
dee9f8fb3c11: Waiting
3268b5da1fd9: Waiting
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3cf630b9d453: Waiting
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2a45a710c27c: Pulling fs layer
ec4151db8b24: Pulling fs layer
fa62ef87998c: Pulling fs layer
69d5c32a7431: Waiting
2286f0637105: Waiting
1d4dfd312d67: Waiting
2a45a710c27c: Waiting
ec4151db8b24: Waiting
9d0ed048168a: Pulling fs layer
fa62ef87998c: Waiting
6089c5804b91: Pulling fs layer
6089c5804b91: Waiting
101327095a5d: Verifying Checksum
101327095a5d: Download complete
98cc0db8782e: Verifying Checksum
98cc0db8782e: Download complete
80a3ba3c39f2: Verifying Checksum
80a3ba3c39f2: Download complete
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cd084dc2269b: Verifying Checksum
cd084dc2269b: Download complete
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6ffa83066c0d: Verifying Checksum
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101327095a5d: Pull complete
98cc0db8782e: Pull complete
897e79ccfa99: Verifying Checksum
897e79ccfa99: Download complete
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80a3ba3c39f2: Pull complete
e2825bf868f2: Verifying Checksum
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42bfbb5f040b: Download complete
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Digest: sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54
Status: Downloaded newer image for ocaml/opam@sha256:8b9fb9d414534f4e1e59aa87f290f8ca6bd037f501fbdb26b199be5db9a79d54
2026-04-10 14:06.03 ---> saved as "2c866d4a1715dab3be837cc5076487caeb8b60492621372308acf93b1854fe38"

/: (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 14:06.03 ---> saved as "1d6ddae8b8c1a9f26aa6cd4669a84811c58686e28bc85762993f76681c839d0e"

/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 14:06.27 ---> saved as "1242a861ca97c179aea0393024c189f372daf092bad8ea272c198f9ff43347fc"

/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=12
# 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 14:06.28 ---> saved as "e8fa3dc18231266a38e426e249ae4cdc977de4a8f4add3be959cbc54ae38ac98"

/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 14:06.38 ---> saved as "fd5d02c45d2a4ccbb1a73e78b7e7c5c9d94cfcd825341cb180cd7b54d4b40507"

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-10 14:07.07 ---> saved as "d233df4c3d0a0eabf6505c98d786080db77c41aa841193b3a95eabc1999d1c9a"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-10 14:07.25 ---> saved as "cf86c4aeacd0d8b92e954248bf49d251b1b7c7dcb26984e907233e03aa63a61c"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [294 kB]
- Fetched 398 kB in 0s (942 kB/s)
- Reading package lists...
2026-04-10 14:07.26 ---> saved as "dcc432687f972d9bcd5c8fcf6c561ee8d76a4be7dd56bab03d622568886890f9"

/home/opam: (run (shell "opam pin add -k version -yn piqi.0.7.7 0.7.7"))
piqi is now pinned to version 0.7.7
2026-04-10 14:07.27 ---> saved as "e8120f039ba3df71243f1bd0c0aa2507d87319259ad37b967d439549b4592bc3"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall piqi.0.7.7;\
                        \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-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'piqi.0.7.7' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
piqi.0.7.7 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - piqi = 0.7.7 -> 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 = 0.7.7 -> ocaml < 5.4 -> ocaml-variants
  * Missing dependency:
    - piqi = 0.7.7 -> 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 = 0.7.7 -> ocaml < 5.4 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - piqi = 0.7.7 -> ocaml < 5.4 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall piqi.0.7.7;
        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-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'piqi.0.7.7' && partial_fails="$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 14:08.18: Job failed: Failed: Build failed
2026-04-10 14:08.18: Log analysis:
2026-04-10 14:08.18: >>> 
No solution found, exiting
 (score = 100)
2026-04-10 14:08.18: [SKIP] Package not available