2026-01-09 00:37.03: New job: test conf-dwarfutils.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29202/head (570d32ed26fb4f0d7a8046e9c55447f190f25af8)
                              on ubuntu-25.10-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29202/head" && git reset --hard 570d32ed
git fetch origin master
git merge --no-edit 93a7bce43a4d9f9b00c3c6b0c3d696c7608217be
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn conf-dwarfutils.1 1
RUN opam reinstall conf-dwarfutils.1; \
    res=$?; \
    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-25.10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'conf-dwarfutils.1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test conf-dwarfutils.1) || true
RUN opam reinstall --with-test --verbose conf-dwarfutils.1; \
    res=$?; \
    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-25.10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'conf-dwarfutils.1' && partial_fails="$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 .

2026-01-09 00:37.03: Using cache hint "ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119-conf-dwarfutils.1-570d32ed26fb4f0d7a8046e9c55447f190f25af8"
2026-01-09 00:37.03: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119)
 (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 conf-dwarfutils.1 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall conf-dwarfutils.1;\
             \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-25.10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'conf-dwarfutils.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test conf-dwarfutils.1) || true"))
 (run (shell  "opam reinstall --with-test --verbose conf-dwarfutils.1;\
             \n        res=$?;\
             \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-25.10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'conf-dwarfutils.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-09 00:37.03: Waiting for resource in pool OCluster
2026-01-09 00:37.04: Waiting for worker…
2026-01-09 00:37.04: Got resource from pool OCluster
Building on clete
All commits already cached
HEAD is now at 93a7bce43a Merge pull request #29186 from raphael-proust/server-reason-react-ppxlib-bounds
Updating 93a7bce43a..570d32ed26
Fast-forward
 packages/conf-dwarfutils/conf-dwarfutils.1/opam | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 packages/conf-dwarfutils/conf-dwarfutils.1/opam

(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119)
Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119' locally
docker.io/ocaml/opam@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119: Pulling from ocaml/opam
a206cee1e839: Already exists
04d0fda93654: Already exists
5598c8218e5b: Already exists
27e6bcc59000: Already exists
476bdca213c7: Already exists
8b3dd2128b79: Already exists
8228ff021881: Already exists
debaa2cf865f: Already exists
0d925952ec66: Already exists
dc9767f65a5c: Already exists
57bf37e42d0c: Already exists
2ac4a586b211: Already exists
de79818394fa: Already exists
2b88996c9f10: Already exists
26e0c12ae547: Already exists
d42a2f75133b: Already exists
e053991d347d: Already exists
e053991d347d: Already exists
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1c860f870bd7: Already exists
03c23059de84: Already exists
296e574ca04a: Already exists
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b06b3645f435: Already exists
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404c60bff92e: Already exists
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b3e778fd1ccd: Already exists
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5d32c0aabe51: Already exists
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a5656cca97d6: Already exists
16c959504d82: Already exists
Digest: sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119
Status: Downloaded newer image for ocaml/opam@sha256:87707cc095fe755eac26a3f75cf687511a78de4ac2c4f83c6890286cc60b1119
2026-01-09 00:37.38 ---> saved as "0e48ec19c3e54fa30b0d8b20db8dccef8e0c7ed47e87086e0e669278123f11f0"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-09 00:37.39 ---> saved as "5fb7e666c8c4eb14be7293b009bc2b00dee5f3e85cbe6f3c6ead3658df9a309f"

/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
2026-01-09 00:38.04 ---> saved as "bba0030d07c49e9431dba777a3a8748cbf9dabae58be9519752fffbc40a08deb"

/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=ubuntu os-version=25.10
# 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
2026-01-09 00:38.05 ---> saved as "a519867fd30f858526cf003169bf6ad711291a4d8b7dca0d325b6a67cfa3285e"

/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/"))
2026-01-09 00:38.14 ---> saved as "cb607875d2464ba70f56a05c6de8e7ac8e32faeeb3a8794b61676d34c7b2be95"

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-09 00:38.27 ---> saved as "f85d8913ec1a88fc4a93a00c194ac04215388d0f68dd6bc444511b0ec1904978"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-09 00:38.47 ---> saved as "65bd768a554bd0d19aace908c6e54ba5092446ddac8a8285122655343a801ff3"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://archive.ubuntu.com/ubuntu questing InRelease
- Get:2 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]
- Get:3 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]
- Get:4 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]
- Get:5 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [154 kB]
- Get:6 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [122 kB]
- Get:7 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [283 kB]
- Get:8 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [99.7 kB]
- Get:9 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [153 kB]
- Fetched 1217 kB in 0s (6783 kB/s)
- Reading package lists...
- 
2026-01-09 00:38.48 ---> saved as "27d75646b584892382351ef5051d976a70ce34b9b89c6f056798dd7a9ae2250d"

/home/opam: (run (shell "opam pin add -k version -yn conf-dwarfutils.1 1"))
conf-dwarfutils is now pinned to version 1
2026-01-09 00:38.48 ---> saved as "94286ed2853890f7ac96f5896d15447cc894c0c2ebcd274139e496358879e778"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall conf-dwarfutils.1;\
                        \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-25.10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'conf-dwarfutils.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
[ERROR] Package conf-dwarfutils.1 depends on the unavailable system package 'dwarfutils'. You can use `--no-depexts' to attempt installation anyway.
"/usr/bin/env" "bash" "-c" "opam reinstall conf-dwarfutils.1;
        res=$?;
        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-25.10\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'conf-dwarfutils.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 5
2026-01-09 00:39.01: Job failed: Failed: Build failed
2026-01-09 00:39.01: Log analysis:
2026-01-09 00:39.01: >>> 
[ERROR] Package conf-dwarfutils.1 depends on the unavailable system package 'dwarfutils'. You can use `--no-depexts' to attempt installation anyway.
 (score = 100)
2026-01-09 00:39.01: [SKIP] Package not available