(not at the head of any monitored branch or PR)
2025-05-30 13:18.18: New job: build ancient.0.10.0, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27965/head (468c97008e09c06f872780fab8b1e953f8c31ebf)
                              on debian-12-ocaml-4.09/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27965/head" && git reset --hard 468c9700
git fetch origin master
git merge --no-edit edaf2946e3454afde810eb17e5013eb7b2d138e3
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.09@sha256:f79bdf6a3e784312fd26cc39a7527444a7efb22dbb998b1d44adf4be0d66ea1e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ancient.0.10.0 0.10.0
RUN opam reinstall ancient.0.10.0; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ancient.0.10.0' && partial_fails="$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 .

2025-05-30 13:18.18: Using cache hint "ocaml/opam:debian-12-ocaml-4.09@sha256:f79bdf6a3e784312fd26cc39a7527444a7efb22dbb998b1d44adf4be0d66ea1e-ancient.0.10.0-468c97008e09c06f872780fab8b1e953f8c31ebf"
2025-05-30 13:18.18: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.09@sha256:f79bdf6a3e784312fd26cc39a7527444a7efb22dbb998b1d44adf4be0d66ea1e)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.3 /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 ancient.0.10.0 0.10.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ancient.0.10.0;\
             \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 \"\\\"debian-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ancient.0.10.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-30 13:18.18: Waiting for resource in pool OCluster
2025-05-30 13:59.31: Waiting for worker…
2025-05-30 14:01.22: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
Updating files:  79% (18500/23165)
Updating files:  80% (18532/23165)
Updating files:  81% (18764/23165)
Updating files:  82% (18996/23165)
Updating files:  83% (19227/23165)
Updating files:  84% (19459/23165)
Updating files:  85% (19691/23165)
Updating files:  86% (19922/23165)
Updating files:  87% (20154/23165)
Updating files:  88% (20386/23165)
Updating files:  89% (20617/23165)
Updating files:  90% (20849/23165)
Updating files:  91% (21081/23165)
Updating files:  92% (21312/23165)
Updating files:  93% (21544/23165)
Updating files:  94% (21776/23165)
Updating files:  95% (22007/23165)
Updating files:  96% (22239/23165)
Updating files:  97% (22471/23165)
Updating files:  98% (22702/23165)
Updating files:  99% (22934/23165)
Updating files: 100% (23165/23165)
Updating files: 100% (23165/23165), done.
HEAD is now at edaf2946e3 Merge pull request #27961 from hannesm/fix-dns-cli
Updating edaf2946e3..468c97008e
Fast-forward
 packages/ancient/ancient.0.10.0/opam | 53 ++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 packages/ancient/ancient.0.10.0/opam

(from ocaml/opam:debian-12-ocaml-4.09@sha256:f79bdf6a3e784312fd26cc39a7527444a7efb22dbb998b1d44adf4be0d66ea1e)
2025-05-30 14:01.34 ---> using "35fff61bc7e45e8ccf0df386cd5e91518239ea3442d8627c4650c331485e9464" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-05-30 14:01.34 ---> using "5ac63b4046341e8597702d7684b5200e9d6477dd81ee8a153aee1b18a9d9968f" 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 development 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
2025-05-30 14:01.34 ---> using "0f8574b94c28befe82ae8ea62b9a2f8bbff65ff87fa7c778b473f4f6d629dd4f" 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         2.3.0 (35acd0c5abc5e66cdbd5be16ba77aa6c33a4c724)
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=12
# 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       4.09
# invariant            ["ocaml-base-compiler" {= "4.09.1"}]
# compiler-packages    ocaml-base-compiler.4.09.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.09/lib/ocaml/stublibs:/home/opam/.opam/4.09/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.09.1
2025-05-30 14:01.34 ---> using "04db5f0b27605fa0a14bd9196349f9205b2343993de2a117c3ece63e2caf9e37" 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/"))
2025-05-30 14:01.34 ---> using "4215890875b06b4dee4a1d71135111dc6de78033d178a12b1062ef232bc26e15" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-30 14:01.58 ---> saved as "d3c9259a9dacd6221c8486bcf9acf0e13195f6b764f4b7d25780df99767d2b91"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-30 14:02.27 ---> saved as "4835ff2fecae1d50b5ae51b7c04c252799beb986764e9dc23dfe4c2739417b71"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bookworm InRelease
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [265 kB]
- Fetched 368 kB in 0s (1030 kB/s)
- Reading package lists...
- 
2025-05-30 14:02.28 ---> saved as "683fc9085b1b18ab47d2c075b6fe302033666c9ef898667523200e4a7a742e2a"

/home/opam: (run (shell "opam pin add -k version -yn ancient.0.10.0 0.10.0"))
ancient is now pinned to version 0.10.0
2025-05-30 14:02.29 ---> saved as "7a6c07fd158227db16221160ef6912010182b1981ea798ff8c3ccf53afbee916"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ancient.0.10.0;\
                        \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 \"\\\"debian-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ancient.0.10.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ancient.0.10.0 is not installed. Install it? [y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.09.1
    - ancient >= 0.10.0 -> ocaml >= 4.12 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.09.1
    - ancient >= 0.10.0 -> ocaml >= 4.12 -> ocaml-variants < 5.1.1~
  * Missing dependency:
    - ancient >= 0.10.0 -> ocaml >= 4.12 -> ocaml-variants < 4.12.1~ -> xenbigarray
    unknown package
  * Missing dependency:
    - ancient >= 0.10.0 -> ocaml >= 4.12 -> ocaml-variants < 4.12.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - ancient >= 0.10.0 -> ocaml >= 4.12 -> ocaml-variants >= 5.1.1~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall ancient.0.10.0;
        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 "\"debian-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'ancient.0.10.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-05-30 14:02.57: Job failed: Failed: Build failed
2025-05-30 14:02.57: Log analysis:
2025-05-30 14:02.57: >>> 
No solution found, exiting
 (score = 100)
2025-05-30 14:02.57: [SKIP] Package not available