Build:
  1. 0
2026-01-09 00:37.03: New job: build conf-dwarfutils.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29202/head (570d32ed26fb4f0d7a8046e9c55447f190f25af8)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29202/head" && git reset --hard 570d32ed
git fetch origin master
git merge --no-edit 93a7bce43a4d9f9b00c3c6b0c3d696c7608217be
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:8e50d533339e725fca5bc6b678c815e0579eb3f561cfd764f51f5a46bbbfabcd
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn conf-dwarfutils.1 1
RUN opam reinstall conf-dwarfutils.1; \
    res=$?; \
    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 "\"centos-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:centos-10-ocaml-4.14@sha256:8e50d533339e725fca5bc6b678c815e0579eb3f561cfd764f51f5a46bbbfabcd-conf-dwarfutils.1-570d32ed26fb4f0d7a8046e9c55447f190f25af8"
2026-01-09 00:37.03: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:8e50d533339e725fca5bc6b678c815e0579eb3f561cfd764f51f5a46bbbfabcd)
 (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 \"\\\"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 \"$pkg\" != 'conf-dwarfutils.1' && partial_fails=\"$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 00:37.05: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
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:centos-10-ocaml-4.14@sha256:8e50d533339e725fca5bc6b678c815e0579eb3f561cfd764f51f5a46bbbfabcd)
2026-01-09 00:38.35 ---> saved as "e5caecfc47885e3b270834fc2cbb6a9b046d8f809e9b3eb2b747d04ce663aac8"

/: (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 00:38.35 ---> saved as "887a84fda3f1a2f1928e89392c7569bbcebae7da463c966c7b2d045f60795348"

/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
2026-01-09 00:38.57 ---> saved as "9b38af9b57b157ffb648dad2cfdaf302977ea28d99ea4a78909533abb4d576f3"

/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                 255
# 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
2026-01-09 00:38.58 ---> saved as "cd92de9a3c878de387cdea7aa591e0aa312ee759f831326454c4dd4d360160d3"

/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 00:39.09 ---> saved as "9e33e9ac65e0cd477b7f74226337f048f1fa25b0460015092a1e034511345c08"

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-09 00:39.17 ---> saved as "d5f53e5ecbbf495ed67c44500e17ac1b20a069b23f3455f45aa06d9dc157c65b"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-09 00:39.35 ---> saved as "1ee07446e67eb37329ba88681e08b2330e70d32ad2c08e2480aced4546b1ad22"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        57 kB/s |  14 kB     00:00    
- CentOS Stream 10 - BaseOS                        12 MB/s | 6.8 MB     00:00    
- CentOS Stream 10 - AppStream                    105 kB/s |  15 kB     00:00    
- CentOS Stream 10 - AppStream                    8.2 MB/s | 3.5 MB     00:00    
- CentOS Stream 10 - CRB                          103 kB/s |  14 kB     00:00    
- CentOS Stream 10 - CRB                          3.3 MB/s | 780 kB     00:00    
- CentOS Stream 10 - Extras packages              121 kB/s |  17 kB     00:00    
- CentOS Stream 10 - Extras packages               48 kB/s | 8.3 kB     00:00    
- Metadata cache created.
2026-01-09 00:39.40 ---> saved as "b07a3f2e80c683272aa134d5333ffba944a8aa2a9fe6fe378b906a84c60d1632"

/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 00:39.41 ---> saved as "e5210a0cfd31b56ceac5a936086b690e0fde7fb9b43e5d2362868d0bc242eb2b"

/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 \"\\\"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 \"$pkg\" != 'conf-dwarfutils.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
conf-dwarfutils.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install conf-dwarfutils 1 (pinned)
  - install conf-pkg-config 4          [required by conf-dwarfutils]

The following system packages will first need to be installed:
    libdwarf-devel libdwarf-tools

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run yum to install them (may need root/sudo access)
  2. Display the recommended yum command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "yum" "install" "-y" "libdwarf-devel" "libdwarf-tools"
- Last metadata expiration check: 0:00:04 ago on Fri Jan  9 00:39:40 2026.
- No match for argument: libdwarf-devel
- No match for argument: libdwarf-tools
- Error: Unable to find a match: libdwarf-devel libdwarf-tools
[ERROR] System package install failed with exit code 1 at command:
            sudo yum install -y libdwarf-devel libdwarf-tools
[ERROR] These packages are still missing: libdwarf-devel libdwarf-tools

[NOTE] You can retry with '--assume-depexts' to skip this check, or run 'opam option depext=false' to permanently disable handling of system packages.

"/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 "\"centos-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 10
2026-01-09 00:39.51: Job failed: Failed: Build failed
2026-01-09 00:39.51: Log analysis:
2026-01-09 00:39.51: >>> 
[ERROR] System package install failed with exit code 1 at command:
 (score = 20)
2026-01-09 00:39.51: >>> 
[ERROR] These packages are still missing: libdwarf-devel libdwarf-tools
 (score = 20)
2026-01-09 00:39.51: System package install failed with exit code 1 at command: