(not at the head of any monitored branch or PR)
2026-04-10 13:59.41: New job: build piqi.0.7.7, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29701/head (91f16975e1d7e209f9e92c4df066c7270c9ad379)
                              on ubuntu-24.04-ocaml-5.4/riscv64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29701/head" && git reset --hard 91f16975
git fetch origin master
git merge --no-edit 812fb968341c1eec82e23a29dcf794db8f990936
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:db117072c7c4e333c4bbebd64086f61a6041c264211df9d20a6cd5bfe5b2fce0
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn piqi.0.7.7 0.7.7
RUN opam reinstall piqi.0.7.7; \
    res=$?; \
    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 "\"ubuntu-24.04\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'piqi.0.7.7' && partial_fails="$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 13:59.41: Using cache hint "ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:db117072c7c4e333c4bbebd64086f61a6041c264211df9d20a6cd5bfe5b2fce0-piqi.0.7.7-91f16975e1d7e209f9e92c4df066c7270c9ad379"
2026-04-10 13:59.41: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:db117072c7c4e333c4bbebd64086f61a6041c264211df9d20a6cd5bfe5b2fce0)
 (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 \"\\\"ubuntu-24.04\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'piqi.0.7.7' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-10 13:59.41: Waiting for resource in pool OCluster
2026-04-10 13:59.43: Waiting for worker…
2026-04-10 16:50.30: Got resource from pool OCluster
Building on riscv-bm-03.sw.ci.dev
All commits already cached
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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-24.04-ocaml-5.4@sha256:db117072c7c4e333c4bbebd64086f61a6041c264211df9d20a6cd5bfe5b2fce0)
2026-04-10 16:50.41 ---> using "1afbf1c3817e9b9dd6c849f18c81cd54a70004b6185886ebbe0968654155dfcc" 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 16:50.41 ---> using "9b74c082db0c46a9fca1dadff78b3c50d84e0e944eee3374d82cf17f17770155" 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 16:50.41 ---> using "95de59af29bdd834715db31461a90e98c4d9e8936809b86c1714c103dc64821f" 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=riscv64 os=linux os-distribution=ubuntu os-version=24.04
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 3
# 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 16:50.41 ---> using "d9f9a4ef15dc79d85792d5e2bea1311b6ab8722163a614575e3ca995c2c1650f" 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 16:50.41 ---> using "5c1f7c0b9beb70c056f5e09479f03e7e0c5b8cc27d9ce59673ca7abc913b9344" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-10 16:50.47 ---> using "01a0fa29516180978c45f52a15dc6b39b3ed643a029945a13ce0aaf8d64ff05e" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-10 16:50.47 ---> using "90d945c094ec6e07aa91ef52532076b7a0f938bdef5c3d72b477cf090e6eb4ea" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://ports.ubuntu.com/ubuntu-ports noble InRelease
- Get:2 http://ports.ubuntu.com/ubuntu-ports noble-updates InRelease [126 kB]
- Get:3 http://ports.ubuntu.com/ubuntu-ports noble-backports InRelease [126 kB]
- Get:4 http://ports.ubuntu.com/ubuntu-ports noble-security InRelease [126 kB]
- Get:5 http://ports.ubuntu.com/ubuntu-ports noble-updates/universe riscv64 Packages [1605 kB]
- Get:6 http://ports.ubuntu.com/ubuntu-ports noble-updates/main riscv64 Packages [959 kB]
- Get:7 http://ports.ubuntu.com/ubuntu-ports noble-security/universe riscv64 Packages [1122 kB]
- Get:8 http://ports.ubuntu.com/ubuntu-ports noble-security/main riscv64 Packages [633 kB]
- Fetched 4697 kB in 2s (2130 kB/s)
- Reading package lists...
- 
2026-04-10 16:50.47 ---> using "819cbd7767e6330f123776cdaef1598e569222deda886daf25a278b66ef506c3" from cache

/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 16:50.50 ---> saved as "9e39a709dd11d6404649d1f0f5defac49cd0ecbee6e927e54ebc4b708cd9e40e"

/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 \"\\\"ubuntu-24.04\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'piqi.0.7.7' && partial_fails=\"$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 -> ocaml-variants
    You can temporarily relax the switch invariant with `--update-invariant'
  * 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 "\"ubuntu-24.04\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'piqi.0.7.7' && partial_fails="$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 16:52.12: Job failed: Failed: Build failed
2026-04-10 16:52.12: Log analysis:
2026-04-10 16:52.12: >>> 
No solution found, exiting
 (score = 100)
2026-04-10 16:52.12: [SKIP] Package not available