(for PR #29581)

2026-03-21 23:40.10: New job: build spectrum_capabilities.1.0.0.alpha2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29581/head (c52e39f11b5df3e4bb74becd6c0b64f6f336b223)
                              on centos-9-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29581/head" && git reset --hard c52e39f1
git fetch origin master
git merge --no-edit 76bf2ed9443fdee37e6f046c6295d358be3f8598
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-4.14@sha256:0900beacae8621f323ae8f23cb0c84d34819b86679df1d8c964e158a4d4bde88
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn spectrum_capabilities.1.0.0.alpha2 1.0.0.alpha2
RUN opam reinstall spectrum_capabilities.1.0.0.alpha2; \
    res=$?; \
    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 "\"centos-9\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'spectrum_capabilities.1.0.0.alpha2' && partial_fails="$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 .

2026-03-21 23:40.10: Using cache hint "ocaml/opam:centos-9-ocaml-4.14@sha256:0900beacae8621f323ae8f23cb0c84d34819b86679df1d8c964e158a4d4bde88-spectrum_capabilities.1.0.0.alpha2-c52e39f11b5df3e4bb74becd6c0b64f6f336b223"
2026-03-21 23:40.10: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-4.14@sha256:0900beacae8621f323ae8f23cb0c84d34819b86679df1d8c964e158a4d4bde88)
 (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 spectrum_capabilities.1.0.0.alpha2 1.0.0.alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall spectrum_capabilities.1.0.0.alpha2;\
             \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 \"\\\"centos-9\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'spectrum_capabilities.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-21 23:40.10: Waiting for resource in pool OCluster
2026-03-21 23:43.42: Waiting for worker…
2026-03-21 23:46.41: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 76bf2ed944 Merge pull request #29572 from hannesm/release-letsencrypt-v2.0.0
Updating 76bf2ed944..c52e39f11b
Fast-forward
 packages/spectrum/spectrum.1.0.0.alpha2/opam       | 52 ++++++++++++++++++++++
 .../spectrum_capabilities.1.0.0.alpha2/opam        | 43 ++++++++++++++++++
 .../spectrum_palette_ppx.1.0.0.alpha2/opam         | 45 +++++++++++++++++++
 .../spectrum_palettes.1.0.0.alpha2/opam            | 42 +++++++++++++++++
 .../spectrum_tools.1.0.0.alpha2/opam               | 47 +++++++++++++++++++
 5 files changed, 229 insertions(+)
 create mode 100644 packages/spectrum/spectrum.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_capabilities/spectrum_capabilities.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_palette_ppx/spectrum_palette_ppx.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_palettes/spectrum_palettes.1.0.0.alpha2/opam
 create mode 100644 packages/spectrum_tools/spectrum_tools.1.0.0.alpha2/opam

(from ocaml/opam:centos-9-ocaml-4.14@sha256:0900beacae8621f323ae8f23cb0c84d34819b86679df1d8c964e158a4d4bde88)
2026-03-21 23:47.40 ---> saved as "dac63719edf1fb21abdbd4be411809fd1fc4ba1e61f121a32295e1441c2ad5f6"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-21 23:47.41 ---> saved as "71dbb97d71e6460b05ec32d11b70da123019d56301d3bf840b8da494222830b7"

/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.

Continue? [Y/n] y
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-21 23:48.07 ---> saved as "cc7810378f1cc4ff5018728cd84c3f8d59184450cb20ac13dae814bdf947e85d"

/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=centos os-version=9
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# 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
2026-03-21 23:48.08 ---> saved as "8ae7199532a3bd978c316c7676fa3a4e0e477331048be7cf0634cf98fb60228a"

/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/"))
2026-03-21 23:48.16 ---> saved as "ec3c59830e7a9d178c0cd7d8c55035b3d6e78426eda3fc9454ced8a7aa5a7b3e"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-21 23:48.27 ---> saved as "1841bdbabb0fb3f3d09037346a63e6eaef857ce032a0415a5581fa93facea171"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-21 23:48.47 ---> saved as "c01a493ac5004ab5a7cb2cfc3fad68580792290dcc10e2f2d7779ea84cc84ae9"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                         88 kB/s |  15 kB     00:00    
- CentOS Stream 9 - BaseOS                         13 MB/s | 8.9 MB     00:00    
- CentOS Stream 9 - AppStream                     119 kB/s |  16 kB     00:00    
- CentOS Stream 9 - AppStream                      14 MB/s |  27 MB     00:01    
- CentOS Stream 9 - CRB                           107 kB/s |  15 kB     00:00    
- CentOS Stream 9 - CRB                           9.6 MB/s | 8.0 MB     00:00    
- CentOS Stream 9 - Extras packages               116 kB/s |  17 kB     00:00    
- Metadata cache created.
2026-03-21 23:49.06 ---> saved as "25cbfd2d39623903f684254c24c7dedb8e92a8f2bd2807ba4962694538c11fdb"

/home/opam: (run (shell "opam pin add -k version -yn spectrum_capabilities.1.0.0.alpha2 1.0.0.alpha2"))
spectrum_capabilities is now pinned to version 1.0.0.alpha2
2026-03-21 23:49.06 ---> saved as "446ccf674a0b2c22fd63a5141d0743252cb3d279017078f2b97b712869d8365d"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall spectrum_capabilities.1.0.0.alpha2;\
                        \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 \"\\\"centos-9\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'spectrum_capabilities.1.0.0.alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
spectrum_capabilities.1.0.0.alpha2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 30 packages
  - install cppo                  1.8.0                 [required by ppx_deriving]
  - install dune                  3.22.0                [required by spectrum_capabilities]
  - install jsonm                 1.0.2                 [required by opam-core]
  - install menhir                20260209              [required by opam-file-format]
  - install menhirCST             20260209              [required by menhir]
  - install menhirGLR             20260209              [required by menhir]
  - install menhirLib             20260209              [required by menhir]
  - install menhirSdk             20260209              [required by menhir]
  - install ocaml-compiler-libs   v0.12.4               [required by ppxlib]
  - install ocamlbuild            0.16.1                [required by jsonm]
  - install ocamlfind             1.9.8                 [required by ppx_deriving]
  - install ocamlgraph            2.2.0                 [required by opam-core]
  - install opam-core             2.5.0                 [required by opam-format]
  - install opam-file-format      2.2.0                 [required by opam-format]
  - install opam-format           2.5.0                 [required by opam-repository]
  - install opam-repository       2.5.0                 [required by opam-state]
  - install opam-state            2.5.0                 [required by spectrum_capabilities]
  - install patch                 3.1.0                 [required by opam-state]
  - install ppx_derivers          1.2.1                 [required by ppx_deriving]
  - install ppx_deriving          6.1.1                 [required by spectrum_capabilities]
  - install ppxlib                0.37.0                [required by ppx_deriving]
  - install re                    1.14.0                [required by spectrum_capabilities]
  - install sexplib0              v0.17.0               [required by ppxlib]
  - install sha                   1.15.4                [required by opam-core]
  - install spdx_licenses         1.4.0                 [required by opam-state]
  - install spectrum_capabilities 1.0.0.alpha2 (pinned)
  - install stdlib-shims          0.3.0                 [required by ppxlib]
  - install swhid_core            0.1                   [required by opam-core]
  - install topkg                 1.1.1                 [required by jsonm]
  - install uutf                  1.0.4                 [required by opam-core]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved dune.3.22.0  (cached)
-> retrieved jsonm.1.0.2  (cached)
-> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocamlgraph.2.2.0  (cached)
-> retrieved opam-core.2.5.0, opam-format.2.5.0, opam-repository.2.5.0, opam-state.2.5.0  (cached)
-> retrieved opam-file-format.2.2.0  (cached)
-> retrieved patch.3.1.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppxlib.0.37.0  (cached)
-> retrieved re.1.14.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved sha.1.15.4  (cached)
-> retrieved spdx_licenses.1.4.0  (cached)
-> retrieved spectrum_capabilities.1.0.0.alpha2  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved swhid_core.0.1  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uutf.1.0.4  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed uutf.1.0.4
-> installed jsonm.1.0.2
-> installed dune.3.22.0
-> installed menhirCST.20260209
-> installed ppx_derivers.1.2.1
-> installed stdlib-shims.0.3.0
-> installed menhirGLR.20260209
-> installed menhirLib.20260209
-> installed spdx_licenses.1.4.0
-> installed swhid_core.0.1
-> installed patch.3.1.0
-> installed menhirSdk.20260209
-> installed sexplib0.v0.17.0
-> installed cppo.1.8.0
-> installed ocaml-compiler-libs.v0.12.4
-> installed re.1.14.0
-> installed sha.1.15.4
-> installed ocamlgraph.2.2.0
-> installed opam-core.2.5.0
-> installed menhir.20260209
-> installed opam-file-format.2.2.0
-> installed opam-format.2.5.0
-> installed ppxlib.0.37.0
-> installed opam-repository.2.5.0
-> installed ppx_deriving.6.1.1
-> installed opam-state.2.5.0
-> installed spectrum_capabilities.1.0.0.alpha2
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-21 23:50.10 ---> saved as "5197c4166ec206cc482259734db5d814da05f4ab1ca85acc1b72cf2ca1993a7b"
Job succeeded
2026-03-21 23:50.17: Job succeeded