(for PR #29068)

2025-12-11 20:14.35: New job: build matcha.0.1.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29068/head (52abec3711367f750fe08ceba6ce2348a17e222e)
                              on ubuntu-24.04-ocaml-4.14/riscv64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29068/head" && git reset --hard 52abec37
git fetch origin master
git merge --no-edit 810e1f14b7fa6411c66a3549f4c2aff47c52fc36
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:c7c8e9c3e9dce8096be4905ccda0d29275bb8dbbb7c17e8eacaeb30630d3cacc
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn matcha.0.1.0 0.1.0
RUN opam reinstall matcha.0.1.0; \
    res=$?; \
    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 "\"ubuntu-24.04\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'matcha.0.1.0' && partial_fails="$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 .

2025-12-11 20:14.35: Using cache hint "ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:c7c8e9c3e9dce8096be4905ccda0d29275bb8dbbb7c17e8eacaeb30630d3cacc-matcha.0.1.0-52abec3711367f750fe08ceba6ce2348a17e222e"
2025-12-11 20:14.35: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:c7c8e9c3e9dce8096be4905ccda0d29275bb8dbbb7c17e8eacaeb30630d3cacc)
 (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 matcha.0.1.0 0.1.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall matcha.0.1.0;\
             \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 \"\\\"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 \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-11 20:14.35: Waiting for resource in pool OCluster
2025-12-11 20:14.35: Waiting for worker…
2025-12-11 20:28.19: Got resource from pool OCluster
Building on riscv-bm-01.sw.ci.dev
Updating files:   9% (1722/19001)
Updating files:  10% (1901/19001)
Updating files:  11% (2091/19001)
Updating files:  12% (2281/19001)
Updating files:  13% (2471/19001)
Updating files:  14% (2661/19001)
Updating files:  15% (2851/19001)
Updating files:  16% (3041/19001)
Updating files:  17% (3231/19001)
Updating files:  18% (3421/19001)
Updating files:  19% (3611/19001)
Updating files:  19% (3659/19001)
Updating files:  20% (3801/19001)
Updating files:  21% (3991/19001)
Updating files:  22% (4181/19001)
Updating files:  23% (4371/19001)
Updating files:  24% (4561/19001)
Updating files:  25% (4751/19001)
Updating files:  26% (4941/19001)
Updating files:  27% (5131/19001)
Updating files:  28% (5321/19001)
Updating files:  29% (5511/19001)
Updating files:  29% (5680/19001)
Updating files:  30% (5701/19001)
Updating files:  31% (5891/19001)
Updating files:  32% (6081/19001)
Updating files:  33% (6271/19001)
Updating files:  34% (6461/19001)
Updating files:  35% (6651/19001)
Updating files:  36% (6841/19001)
Updating files:  37% (7031/19001)
Updating files:  38% (7221/19001)
Updating files:  39% (7411/19001)
Updating files:  40% (7601/19001)
Updating files:  41% (7791/19001)
Updating files:  42% (7981/19001)
Updating files:  42% (8113/19001)
Updating files:  43% (8171/19001)
Updating files:  44% (8361/19001)
Updating files:  45% (8551/19001)
Updating files:  46% (8741/19001)
Updating files:  47% (8931/19001)
Updating files:  48% (9121/19001)
Updating files:  49% (9311/19001)
Updating files:  50% (9501/19001)
Updating files:  51% (9691/19001)
Updating files:  52% (9881/19001)
Updating files:  53% (10071/19001)
Updating files:  54% (10261/19001)
Updating files:  55% (10451/19001)
Updating files:  55% (10469/19001)
Updating files:  56% (10641/19001)
Updating files:  57% (10831/19001)
Updating files:  58% (11021/19001)
Updating files:  59% (11211/19001)
Updating files:  60% (11401/19001)
Updating files:  61% (11591/19001)
Updating files:  62% (11781/19001)
Updating files:  63% (11971/19001)
Updating files:  64% (12161/19001)
Updating files:  65% (12351/19001)
Updating files:  66% (12541/19001)
Updating files:  67% (12731/19001)
Updating files:  67% (12821/19001)
Updating files:  68% (12921/19001)
Updating files:  69% (13111/19001)
Updating files:  70% (13301/19001)
Updating files:  71% (13491/19001)
Updating files:  72% (13681/19001)
Updating files:  73% (13871/19001)
Updating files:  74% (14061/19001)
Updating files:  75% (14251/19001)
Updating files:  76% (14441/19001)
Updating files:  77% (14631/19001)
Updating files:  78% (14821/19001)
Updating files:  78% (14928/19001)
Updating files:  79% (15011/19001)
Updating files:  80% (15201/19001)
Updating files:  81% (15391/19001)
Updating files:  82% (15581/19001)
Updating files:  83% (15771/19001)
Updating files:  84% (15961/19001)
Updating files:  85% (16151/19001)
Updating files:  86% (16341/19001)
Updating files:  87% (16531/19001)
Updating files:  88% (16721/19001)
Updating files:  89% (16911/19001)
Updating files:  89% (17045/19001)
Updating files:  90% (17101/19001)
Updating files:  91% (17291/19001)
Updating files:  92% (17481/19001)
Updating files:  93% (17671/19001)
Updating files:  94% (17861/19001)
Updating files:  95% (18051/19001)
Updating files:  96% (18241/19001)
Updating files:  97% (18431/19001)
Updating files:  98% (18621/19001)
Updating files:  99% (18811/19001)
Updating files: 100% (19001/19001)
Updating files: 100% (19001/19001), done.
HEAD is now at adcb716e7d Merge commit '930ccf4ba1d0f5a40a79f65257a2ca4594fdb42d'
HEAD is now at 810e1f14b7 Merge pull request #29066 from gares/release-elpi-v3.4.4
Updating 810e1f14b7..52abec3711
Fast-forward
 packages/matcha/matcha.0.1.0/opam | 40 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 packages/matcha/matcha.0.1.0/opam

(from ocaml/opam:ubuntu-24.04-ocaml-4.14@sha256:c7c8e9c3e9dce8096be4905ccda0d29275bb8dbbb7c17e8eacaeb30630d3cacc)
2025-12-11 20:32.59 ---> saved as "6f07d101240aad55273b41a90ac3a4a326c8b81f30d892eb07cf444250a85043"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-11 20:32.59 ---> saved as "897e6ab3195f5afaf759d7c348fb1fd3eccae48d7cd00ee02bda85cc1a0ad899"

/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
2025-12-11 20:34.56 ---> saved as "d9c7ff46b7e36429e3965e23f18ba47fd6f2f584faba0f7f579a182398152d21"

/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       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.2"}]
# compiler-packages    ocaml-base-compiler.4.14.2, 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       4.14.2
2025-12-11 20:34.59 ---> saved as "9d60711c7b92877a3114fc3317bb712ea30d24d942c1bf14cb027687a5bad16f"

/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/"))
2025-12-11 20:35.38 ---> saved as "3bc3df42f48b224e25ccc00c2b0f1e0b43dd70ba1a665901dc421351117ac966"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-11 20:36.07 ---> saved as "b682288eb42ad973e246a6b5766851aa51e355e6d3aa0e527f08986ff108690a"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-11 20:37.42 ---> saved as "fb45015a43988c6d6cc542f4da5417fd89cf47fed1ee27969810a9c7bafe7d04"

/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/main riscv64 Packages [896 kB]
- Get:6 http://ports.ubuntu.com/ubuntu-ports noble-updates/universe riscv64 Packages [1462 kB]
- Get:7 http://ports.ubuntu.com/ubuntu-ports noble-security/main riscv64 Packages [573 kB]
- Get:8 http://ports.ubuntu.com/ubuntu-ports noble-security/universe riscv64 Packages [921 kB]
- Fetched 4231 kB in 2s (1961 kB/s)
- Reading package lists...
- 
2025-12-11 20:37.51 ---> saved as "f5eff0c67938d8d7ff0e8cda3917c62b20451e42edd67c934aeb6ccb70c45c71"

/home/opam: (run (shell "opam pin add -k version -yn matcha.0.1.0 0.1.0"))
matcha is now pinned to version 0.1.0
2025-12-11 20:37.53 ---> saved as "60da7f3583718948ddee74afb8b9ddfc57f67a4da515f055e673350a7a64b35b"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall matcha.0.1.0;\
                        \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 \"\\\"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 \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
matcha.0.1.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - matcha -> ocaml >= 5.3.0 -> ocaml-variants < 5.4.2~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - matcha -> ocaml >= 5.3.0 -> ocaml-variants < 5.4.2~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - matcha -> ocaml >= 5.3.0 -> ocaml-variants < 5.4.2~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall matcha.0.1.0;
        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 "\"ubuntu-24.04\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'matcha.0.1.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-11 20:39.04: Job failed: Failed: Build failed
2025-12-11 20:39.04: Log analysis:
2025-12-11 20:39.04: >>> 
No solution found, exiting
 (score = 100)
2025-12-11 20:39.04: [SKIP] Package not available