(not at the head of any monitored branch or PR)
2026-03-10 08:59.46: New job: build lambda-term.2.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29530/head (3af7d0a25910b3d20c909e559efb484eb6a78128)
                              on fedora-43-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29530/head" && git reset --hard 3af7d0a2
git fetch origin master
git merge --no-edit 3c70647a78a7fd22066fca4f17f7ca4514500663
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:fedora-43-ocaml-5.4@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lambda-term.2.0 2.0
RUN opam reinstall lambda-term.2.0; \
    res=$?; \
    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 "\"fedora-43\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lambda-term.2.0' && partial_fails="$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 .

2026-03-10 08:59.46: Using cache hint "ocaml/opam:fedora-43-ocaml-5.4@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48-lambda-term.2.0-3af7d0a25910b3d20c909e559efb484eb6a78128"
2026-03-10 08:59.46: Using OBuilder spec:
((from ocaml/opam:fedora-43-ocaml-5.4@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48)
 (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 2.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lambda-term.2.0;\
             \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 \"\\\"fedora-43\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lambda-term.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-10 08:59.46: Waiting for resource in pool OCluster
2026-03-10 09:27.32: Waiting for worker…
2026-03-10 09:29.18: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
Updating files:  89% (16427/18405)
Updating files:  90% (16565/18405)
Updating files:  91% (16749/18405)
Updating files:  92% (16933/18405)
Updating files:  93% (17117/18405)
Updating files:  94% (17301/18405)
Updating files:  95% (17485/18405)
Updating files:  96% (17669/18405)
Updating files:  97% (17853/18405)
Updating files:  98% (18037/18405)
Updating files:  99% (18221/18405)
Updating files: 100% (18405/18405)
Updating files: 100% (18405/18405), done.
HEAD is now at 3c70647a78 Merge pull request #29507 from NathanReb/release-ppxlib-0-38-0-5-5-preview
Updating 3c70647a78..3af7d0a259
Fast-forward
 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            | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5.1/opam          | 6 +++++-
 packages/lwt_eio/lwt_eio.0.5/opam            | 6 +++++-
 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, 400 insertions(+), 84 deletions(-)

(from ocaml/opam:fedora-43-ocaml-5.4@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48)
Unable to find image 'ocaml/opam:fedora-43-ocaml-5.4@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48' locally
docker.io/ocaml/opam@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48: Pulling from ocaml/opam
20a1dc304c2c: Pulling fs layer
20a1dc304c2c: Verifying Checksum
20a1dc304c2c: Download complete
20a1dc304c2c: Pull complete
Digest: sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48
Status: Downloaded newer image for ocaml/opam@sha256:7694f0ecb7cbb4c2754283ed5c139f1ad48b76e2c76c43895463dd8500e86c48
2026-03-10 09:29.26 ---> using "943bdac60bd9134b05a1a927c2bbd8ef5964f439492f80fb7226a25799aaab71" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-10 09:29.26 ---> using "3586927bb912c2eaed6a9c94fb9c21d91b481d072eac4889cbd21aa046c1bc0c" 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
2026-03-10 09:29.26 ---> using "964fef16a7890455d2cf4f025cdbd17578110e13a8e6f070078bf364dd017193" 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=x86_64 os=linux os-distribution=fedora os-version=43
# 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
2026-03-10 09:29.26 ---> using "ee8927fe1546028ac8af8aa4e147a1b565fb14394272ea083e1e406d299c0ea1" 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/"))
2026-03-10 09:29.26 ---> using "76947db3086595f8499301e2404bdd44b0c40dd4799a98eccd7c87f001f768e1" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-10 09:29.28 ---> using "923befe0bc2c91b63e4e7aa192715e071451ee0e722f9f8fe3d83e5760b4029a" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-10 09:29.47 ---> saved as "e3e5d0e2cd368bb425cee5c50c99cabe52bd5f0f5ccce6d1abc0554b9845fb6a"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "yum" "makecache"
- Updating and loading repositories:
-  Fedora 43 - x86_64 - Updates           100% |  42.7 KiB/s |   6.3 KiB |  00m00s
- Failed to download metadata
-  Error loading local metadata for repository "updates"
-   Librepo error: Checksum error /var/cache/libdnf5/updates-431245df5652aba0/repodata/0e25d7eb87a5cf8168a39e7205aa8b5e77e45c280f600366f0649dcbd56a2ebd-primary.xml.zck: Unable to validate zchunk checksums
Fatal error: System package update failed with exit code 1 at command:
    sudo yum makecache
2026-03-10 09:29.51 ---> saved as "b6c6e796a876347f80f221e55c78e3a1826100e07a3d043511d7aea15b879122"

/home/opam: (run (shell "opam pin add -k version -yn lambda-term.2.0 2.0"))
lambda-term is now pinned to version 2.0
2026-03-10 09:29.52 ---> saved as "be2794c4da618f82af1f1776bf91afba56c5ffec4dbe3c2873763ede61b8cf97"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lambda-term.2.0;\
                        \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 \"\\\"fedora-43\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lambda-term.2.0' && partial_fails=\"$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 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.0
    - lambda-term = 2.0 -> 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 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants (< 4.05.2~ | >= 4.06.0)
  * Missing dependency:
    - lambda-term = 2.0 -> 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 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants >= 4.06.0 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - lambda-term = 2.0 -> camomile < 2.0.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants >= 4.06.0 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall lambda-term.2.0;
        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 "\"fedora-43\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lambda-term.2.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-03-10 09:30.24: Job failed: Failed: Build failed
2026-03-10 09:30.24: Log analysis:
2026-03-10 09:30.24: >>> 
No solution found, exiting
 (score = 100)
2026-03-10 09:30.24: [SKIP] Package not available