(for PR #29530)

2026-03-17 10:25.54: New job: build lambda-term.2.0.3, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29530/head (395113449576622af70540fb22e5d90e18554bdc)
                              on centos-10-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29530/head" && git reset --hard 39511344
git fetch origin master
git merge --no-edit e589be2bb3f3c3428c9c98a122428f3ad2d44845
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-5.4@sha256:e1031ac6b12c4d5b426060c67eb29e6b0e97434cbe38497bfa8e6c8689779a15
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lambda-term.2.0.3 2.0.3
RUN opam reinstall lambda-term.2.0.3; \
    res=$?; \
    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-10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lambda-term.2.0.3' && partial_fails="$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 .

2026-03-17 10:25.54: Using cache hint "ocaml/opam:centos-10-ocaml-5.4@sha256:e1031ac6b12c4d5b426060c67eb29e6b0e97434cbe38497bfa8e6c8689779a15-lambda-term.2.0.3-395113449576622af70540fb22e5d90e18554bdc"
2026-03-17 10:25.54: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-5.4@sha256:e1031ac6b12c4d5b426060c67eb29e6b0e97434cbe38497bfa8e6c8689779a15)
 (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 lambda-term.2.0.3 2.0.3"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lambda-term.2.0.3;\
             \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-10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lambda-term.2.0.3' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-17 10:25.54: Waiting for resource in pool OCluster
2026-03-17 11:16.12: Waiting for worker…
2026-03-17 11:17.44: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at e589be2bb3 Merge pull request #29546 from johnwhitington/opam-publish-camlpdf.2.9
Merge made by the 'ort' strategy.
 packages/bimage-lwt/bimage-lwt.0.3.0/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.3.1/opam    | 6 +++++-
 packages/bimage-lwt/bimage-lwt.0.4.0/opam    | 6 +++++-
 packages/caqti-lwt/caqti-lwt.0.11.0/opam     | 4 +++-
 packages/caqti-lwt/caqti-lwt.1.0.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.2.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.3.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.6.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.7.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.8.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.1.9.0/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.0.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.1.1/opam      | 6 +++++-
 packages/caqti-lwt/caqti-lwt.2.2.4/opam      | 6 +++++-
 packages/fuseau-lwt/fuseau-lwt.0.1/opam      | 6 +++++-
 packages/lambda-term/lambda-term.1.13/opam   | 6 +++++-
 packages/lambda-term/lambda-term.2.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.2/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0.3/opam  | 6 +++++-
 packages/lambda-term/lambda-term.2.0/opam    | 6 +++++-
 packages/lambda-term/lambda-term.3.0.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.0.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.1.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.2.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.0/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.1/opam  | 6 +++++-
 packages/lambda-term/lambda-term.3.3.2/opam  | 6 +++++-
 packages/lwt_domain/lwt_domain.0.1.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.2.0/opam    | 6 +++++-
 packages/lwt_domain/lwt_domain.0.3.0/opam    | 6 +++++-
 packages/lwt_eio/lwt_eio.0.1/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.2/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.3/opam            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.4/opam            | 7 ++++++-
 packages/lwt_eio/lwt_eio.0.5.1/opam          | 7 ++++++-
 packages/lwt_eio/lwt_eio.0.5/opam            | 7 ++++++-
 packages/lwt_glib/lwt_glib.1.0.1/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.0/opam        | 6 +++++-
 packages/lwt_glib/lwt_glib.1.1.1/opam        | 6 +++++-
 packages/lwt_log/lwt_log.1.1.0/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.1/opam          | 6 +++++-
 packages/lwt_log/lwt_log.1.1.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.1.2.4/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.0.3/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.2.1.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.0/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.8.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.1/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.2/opam          | 6 +++++-
 packages/lwt_ppx/lwt_ppx.5.9.3/opam          | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.10/opam | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.6/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.7/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.8/opam  | 6 +++++-
 packages/moonpool-lwt/moonpool-lwt.0.9/opam  | 6 +++++-
 packages/mwt/mwt.0.1.0/opam                  | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-1/opam      | 6 +++++-
 packages/nocrypto/nocrypto.0.5.4-2/opam      | 6 +++++-
 packages/ocluster/ocluster.0.1/opam          | 4 +++-
 packages/ocluster/ocluster.0.2.1/opam        | 6 +++++-
 packages/ocluster/ocluster.0.2/opam          | 4 +++-
 packages/ocluster/ocluster.0.3.0/opam        | 6 +++++-
 packages/picos/picos.0.3.0/opam              | 6 +++++-
 packages/picos/picos.0.4.0/opam              | 6 +++++-
 packages/picos_lwt/picos_lwt.0.5.0/opam      | 6 +++++-
 packages/picos_lwt/picos_lwt.0.6.0/opam      | 6 +++++-
 packages/tezt/tezt.2.0.0/opam                | 6 +++++-
 packages/tezt/tezt.3.0.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.0/opam                | 4 +++-
 packages/tezt/tezt.3.1.1/opam                | 4 +++-
 packages/tezt/tezt.4.0.0/opam                | 4 +++-
 packages/tezt/tezt.4.1.0/opam                | 4 +++-
 packages/tezt/tezt.4.2.0/opam                | 4 +++-
 packages/tezt/tezt.4.3.0/opam                | 4 +++-
 84 files changed, 403 insertions(+), 84 deletions(-)

(from ocaml/opam:centos-10-ocaml-5.4@sha256:e1031ac6b12c4d5b426060c67eb29e6b0e97434cbe38497bfa8e6c8689779a15)
2026-03-17 11:17.48 ---> using "8aebcfaffd1079712be0fe9966c0fcd96a251f01de55cdf5351aa9ca6f458d98" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-17 11:17.48 ---> using "e621e0d4752d6433f272aebef498c1c4e0c73d254835677cd2d085c429f11d05" 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
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=255 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-17 11:18.13 ---> saved as "4dd06184ef06e74b5d2357ad3e657ef09c0377c6a91257e6a19b97dcf7edcdff"

/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=10
# 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       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
2026-03-17 11:18.14 ---> saved as "a1380390ede144c19d4c3de446d94876dd088c6c7ebe86e2e239b77c066e3742"

/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/"))
2026-03-17 11:18.29 ---> saved as "d8f5bd57316e8873c11f9fb7a1dec49c01052529c90394a4aaacfcfdd49bc568"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-17 11:18.42 ---> saved as "bda87587f0b76daf4f0b4bb796f1cbaa638ae514b2c7c77568792e3a4dd0d28b"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-17 11:19.03 ---> saved as "ba883d5dcf9d51837afe78b6f9a8b04badc102752e4df31f99fc663fa96765a8"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        93 kB/s |  14 kB     00:00    
- CentOS Stream 10 - BaseOS                        11 MB/s | 6.9 MB     00:00    
- CentOS Stream 10 - AppStream                     99 kB/s |  14 kB     00:00    
- CentOS Stream 10 - AppStream                    5.8 MB/s | 3.6 MB     00:00    
- CentOS Stream 10 - CRB                           60 kB/s |  13 kB     00:00    
- CentOS Stream 10 - CRB                          1.7 MB/s | 831 kB     00:00    
- CentOS Stream 10 - Extras packages              123 kB/s |  17 kB     00:00    
- CentOS Stream 10 - Extras packages               26 kB/s | 9.9 kB     00:00    
- Metadata cache created.
2026-03-17 11:19.12 ---> saved as "a819f8c8b5ba8848b7b447d48e4b983a25b75a94314838e28b9c2986bd816396"

/home/opam: (run (shell "opam pin add -k version -yn lambda-term.2.0.3 2.0.3"))
lambda-term is now pinned to version 2.0.3
2026-03-17 11:19.13 ---> saved as "81cb855cde26e03b9e4b8bfe1c4cd8f48adcf5cac2cc234eeb896698c5fec81f"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lambda-term.2.0.3;\
                        \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-10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lambda-term.2.0.3' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lambda-term.2.0.3 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - lambda-term = 2.0.3 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - lambda-term = 2.0.3 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants
  * Missing dependency:
    - lambda-term = 2.0.3 -> camomile < 2.0.0 -> ocaml < 4.12 -> 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 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - lambda-term = 2.0.3 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - lambda-term = 2.0.3 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall lambda-term.2.0.3;
        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-10\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lambda-term.2.0.3' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-03-17 11:19.47: Job failed: Failed: Build failed
2026-03-17 11:19.47: Log analysis:
2026-03-17 11:19.47: >>> 
No solution found, exiting
 (score = 100)
2026-03-17 11:19.47: [SKIP] Package not available