Build:
  1. 0
2026-01-15 08:10.18: New job: build unionFind.20250818, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29222/head (d45ce9b6feb3694e966137df55ac14d9ec01ba13)
                              on ubuntu-24.04-ocaml-5.4/riscv64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29222/head" && git reset --hard d45ce9b6
git fetch origin master
git merge --no-edit 513e85b5a99db7912c4e7ed5e9675a808b7107a6
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:d162f5bab9b92be895e174d1b119d59ff46cc7db2cb00b4e92b44fe4216e5ab1
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn unionFind.20250818 20250818
RUN opam reinstall unionFind.20250818; \
    res=$?; \
    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 "$pkg" != 'unionFind.20250818' && partial_fails="$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 .

2026-01-15 08:10.18: Using cache hint "ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:d162f5bab9b92be895e174d1b119d59ff46cc7db2cb00b4e92b44fe4216e5ab1-unionFind.20250818-d45ce9b6feb3694e966137df55ac14d9ec01ba13"
2026-01-15 08:10.18: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:d162f5bab9b92be895e174d1b119d59ff46cc7db2cb00b4e92b44fe4216e5ab1)
 (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 unionFind.20250818 20250818"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall unionFind.20250818;\
             \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 \"$pkg\" != 'unionFind.20250818' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-15 08:10.18: Waiting for resource in pool OCluster
2026-01-15 08:10.20: Waiting for worker…
2026-01-15 08:13.02: Got resource from pool OCluster
Building on riscv-bm-03.sw.ci.dev
Updating files:  11% (2178/19201)
Updating files:  12% (2305/19201)
Updating files:  13% (2497/19201)
Updating files:  14% (2689/19201)
Updating files:  15% (2881/19201)
Updating files:  16% (3073/19201)
Updating files:  17% (3265/19201)
Updating files:  18% (3457/19201)
Updating files:  19% (3649/19201)
Updating files:  20% (3841/19201)
Updating files:  21% (4033/19201)
Updating files:  22% (4225/19201)
Updating files:  23% (4417/19201)
Updating files:  23% (4542/19201)
Updating files:  24% (4609/19201)
Updating files:  25% (4801/19201)
Updating files:  26% (4993/19201)
Updating files:  27% (5185/19201)
Updating files:  28% (5377/19201)
Updating files:  29% (5569/19201)
Updating files:  30% (5761/19201)
Updating files:  31% (5953/19201)
Updating files:  32% (6145/19201)
Updating files:  33% (6337/19201)
Updating files:  34% (6529/19201)
Updating files:  35% (6721/19201)
Updating files:  36% (6913/19201)
Updating files:  36% (6994/19201)
Updating files:  37% (7105/19201)
Updating files:  38% (7297/19201)
Updating files:  39% (7489/19201)
Updating files:  40% (7681/19201)
Updating files:  41% (7873/19201)
Updating files:  42% (8065/19201)
Updating files:  43% (8257/19201)
Updating files:  44% (8449/19201)
Updating files:  45% (8641/19201)
Updating files:  46% (8833/19201)
Updating files:  47% (9025/19201)
Updating files:  48% (9217/19201)
Updating files:  48% (9298/19201)
Updating files:  49% (9409/19201)
Updating files:  50% (9601/19201)
Updating files:  51% (9793/19201)
Updating files:  52% (9985/19201)
Updating files:  53% (10177/19201)
Updating files:  54% (10369/19201)
Updating files:  55% (10561/19201)
Updating files:  56% (10753/19201)
Updating files:  57% (10945/19201)
Updating files:  58% (11137/19201)
Updating files:  59% (11329/19201)
Updating files:  59% (11512/19201)
Updating files:  60% (11521/19201)
Updating files:  61% (11713/19201)
Updating files:  62% (11905/19201)
Updating files:  63% (12097/19201)
Updating files:  64% (12289/19201)
Updating files:  65% (12481/19201)
Updating files:  66% (12673/19201)
Updating files:  67% (12865/19201)
Updating files:  68% (13057/19201)
Updating files:  69% (13249/19201)
Updating files:  70% (13441/19201)
Updating files:  71% (13633/19201)
Updating files:  71% (13651/19201)
Updating files:  72% (13825/19201)
Updating files:  73% (14017/19201)
Updating files:  74% (14209/19201)
Updating files:  75% (14401/19201)
Updating files:  76% (14593/19201)
Updating files:  77% (14785/19201)
Updating files:  78% (14977/19201)
Updating files:  79% (15169/19201)
Updating files:  80% (15361/19201)
Updating files:  81% (15553/19201)
Updating files:  82% (15745/19201)
Updating files:  82% (15901/19201)
Updating files:  83% (15937/19201)
Updating files:  84% (16129/19201)
Updating files:  85% (16321/19201)
Updating files:  86% (16513/19201)
Updating files:  87% (16705/19201)
Updating files:  88% (16897/19201)
Updating files:  89% (17089/19201)
Updating files:  90% (17281/19201)
Updating files:  91% (17473/19201)
Updating files:  92% (17665/19201)
Updating files:  93% (17857/19201)
Updating files:  94% (18049/19201)
Updating files:  94% (18152/19201)
Updating files:  95% (18241/19201)
Updating files:  96% (18433/19201)
Updating files:  97% (18625/19201)
Updating files:  98% (18817/19201)
Updating files:  99% (19009/19201)
Updating files: 100% (19201/19201)
Updating files: 100% (19201/19201), done.
HEAD is now at a3752948da Merge commit '7a389037e0c9d8fc55125bd5c26e559884474551'
HEAD is now at 513e85b5a9 Merge pull request #29217 from c-cube/release-containers-v3.17
Merge made by the 'ort' strategy.
 .../embedded_ocaml_templates.0.1.4/opam                      | 12 ++++++------
 .../embedded_ocaml_templates.0.2/opam                        | 12 ++++++------
 .../embedded_ocaml_templates.0.3.1/opam                      |  8 ++++----
 .../embedded_ocaml_templates.0.4/opam                        | 10 +++++-----
 .../embedded_ocaml_templates.0.5.1/opam                      | 10 +++++-----
 .../embedded_ocaml_templates.0.6/opam                        |  2 +-
 .../embedded_ocaml_templates.0.7/opam                        |  2 +-
 packages/unionFind/unionFind.20250818/opam                   |  2 +-
 8 files changed, 29 insertions(+), 29 deletions(-)

(from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:d162f5bab9b92be895e174d1b119d59ff46cc7db2cb00b4e92b44fe4216e5ab1)
2026-01-15 08:17.47 ---> saved as "e6d25a681a2839b9759c5ab76e7fc37d65a3a1681d1dd6a25eff6d306e5b002f"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-15 08:17.48 ---> saved as "f94728a3897568e3a7759826588216c63a3b89bd0663181aa99bddde4facc7c9"

/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
2026-01-15 08:19.46 ---> saved as "e6cfbe27a3c7e265ded57a9000a356597d5dfbdd03f7660dee29c304960f0626"

/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" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, 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       5.4.0
2026-01-15 08:19.48 ---> saved as "c8ba0107694140cd095b41f9f249c2013cd515bee398d7be9528c65cc18ba180"

/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/"))
2026-01-15 08:20.27 ---> saved as "54067164ef27cf4f5ad1fc92e3c4c83398f26196cbb8b27c986ef7868389bd7d"

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-15 08:20.54 ---> saved as "b534e8936b97497c5c50a16fb9b2369183fdf24bb742d9e5ee862499572674aa"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-15 08:22.29 ---> saved as "d6c6ffe7832ce1fbce8b1305a8a0ebc9e6f71175493e448203e9dcfbd7148f55"

/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 [902 kB]
- Get:6 http://ports.ubuntu.com/ubuntu-ports noble-updates/universe riscv64 Packages [1470 kB]
- Get:7 http://ports.ubuntu.com/ubuntu-ports noble-security/universe riscv64 Packages [926 kB]
- Get:8 http://ports.ubuntu.com/ubuntu-ports noble-security/main riscv64 Packages [581 kB]
- Fetched 4258 kB in 2s (2133 kB/s)
- Reading package lists...
- 
2026-01-15 08:22.38 ---> saved as "e44bcef4ce0c576f060a88c265ef002e2a9a06a666ad9ba0111c524875c46177"

/home/opam: (run (shell "opam pin add -k version -yn unionFind.20250818 20250818"))
unionFind is now pinned to version 20250818
2026-01-15 08:22.40 ---> saved as "6fc6a7f674eef3b08929eb27e83438580276829ebb683e6c6fa78f7a491b91d2"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall unionFind.20250818;\
                        \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 \"$pkg\" != 'unionFind.20250818' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
unionFind.20250818 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install dune      3.20.2            [required by unionFind]
  - install unionFind 20250818 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.20.2  (cached)
-> retrieved unionFind.20250818  (cached)
-> installed dune.3.20.2
-> installed unionFind.20250818
Done.
# To update the current shell environment, run: eval $(opam env)
2026-01-15 08:27.05 ---> saved as "2fc729bd1fd2a128840c02ca94db79af88b47da2177cd413f1bce8472e01e83d"
Job succeeded
2026-01-15 08:27.39: Job succeeded