Build:
  1. 0
2026-01-07 18:57.49: New job: build bitwuzla-cxx.0.2.0, lower-bounds, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29196/head (73b2f0da1939c4b0c87bfac1421800561d35c434)
                              on debian-13-ocaml-5.2/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29196/head" && git reset --hard 73b2f0da
git fetch origin master
git merge --no-edit 2dee2fe30df966714e056f8af164fe0ed7648a63
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.2@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn bitwuzla-cxx.0.2.0 0.2.0
RUN opam reinstall bitwuzla-cxx.0.2.0; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'bitwuzla-cxx.0.2.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
ENV OPAMCRITERIA="+removed,+count[version-lag,solution]"
ENV OPAMFIXUPCRITERIA="+removed,+count[version-lag,solution]"
ENV OPAMUPGRADECRITERIA="+removed,+count[version-lag,solution]"
RUN opam reinstall bitwuzla-cxx.0.2.0; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'bitwuzla-cxx.0.2.0' && partial_fails="$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 .

2026-01-07 18:57.49: Using cache hint "ocaml/opam:debian-13-ocaml-5.2@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7-bitwuzla-cxx.0.2.0-73b2f0da1939c4b0c87bfac1421800561d35c434"
2026-01-07 18:57.49: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.2@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7)
 (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 bitwuzla-cxx.0.2.0 0.2.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall bitwuzla-cxx.0.2.0;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'bitwuzla-cxx.0.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (env OPAMCRITERIA +removed,+count[version-lag,solution])
 (env OPAMFIXUPCRITERIA +removed,+count[version-lag,solution])
 (env OPAMUPGRADECRITERIA +removed,+count[version-lag,solution])
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall bitwuzla-cxx.0.2.0;\
             \n        res=$?;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'bitwuzla-cxx.0.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-07 18:57.49: Connecting to build cluster…
2026-01-07 18:57.49: Waiting for resource in pool OCluster
2026-01-07 18:57.49: Waiting for worker…
2026-01-07 19:03.14: Got resource from pool OCluster
Building on clete
All commits already cached
Updating files:  68% (13040/19147)
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Updating files: 100% (19147/19147)
Updating files: 100% (19147/19147), done.
HEAD is now at 2dee2fe30d Merge pull request #29195 from raphael-proust/lwt-fix-ocamlfind-dep-constraint
Updating 2dee2fe30d..73b2f0da19
Fast-forward
 packages/bitwuzla-cxx/bitwuzla-cxx.0.2.0/opam | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(from ocaml/opam:debian-13-ocaml-5.2@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.2@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7' locally
docker.io/ocaml/opam@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7: Pulling from ocaml/opam
281b80c799de: Already exists
ce76feb86791: Already exists
7984eb0e5b45: Already exists
56c452a960b1: Already exists
b85825bef00a: Already exists
d6ff43dfb85c: Already exists
4197ec645389: Already exists
37cac33e41ff: Already exists
4cb993fb248e: Already exists
ca442870f91f: Already exists
b1d1a2fb5f4a: Already exists
0dea577b2801: Already exists
cc10daaea4fd: Already exists
5f878cb1723a: Already exists
8968959fa983: Already exists
5bdd9b9ed0e3: Already exists
55661c5b388f: Already exists
55661c5b388f: Already exists
92d1dc6907bd: Already exists
7100b414728b: Already exists
a6a54ddc9818: Already exists
a920ad627810: Already exists
4f4fb700ef54: Already exists
f7df7b6e19c0: Already exists
cd713d66718c: Already exists
6ed45ab2af86: Already exists
40598b80a8fe: Already exists
983f7969ff00: Already exists
40ec09ee09bd: Already exists
76a0afa38cd9: Already exists
1d5a564d139a: Already exists
82883b85a4f0: Already exists
1d8458efd73b: Already exists
2d80a9fac9ac: Already exists
4d69ee6ae94b: Already exists
ce8d28b713f1: Already exists
97580d938033: Already exists
da5fa40e04f8: Already exists
d7a499968f64: Already exists
28e5932c7c69: Already exists
81389c423fc3: Already exists
4d539b35ca4b: Already exists
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97c418526f61: Already exists
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bb421667400f: Already exists
b928d85a3951: Already exists
Digest: sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7
Status: Downloaded newer image for ocaml/opam@sha256:337f463bf7a7736c2329aecde49ec0604878cdb4144b9df2a84fbd4287640aa7
2026-01-07 19:03.43 ---> saved as "b5bd9c066c3a792f2449958b5ac2051bcdf89adcf9c907dce832deb855abab3d"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-07 19:03.43 ---> saved as "49f45c3a3c39aa49529c4e85f5a43cae11b3857c23de24739bbd81040b434a95"

/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
2026-01-07 19:04.28 ---> saved as "a648e0d92b33dda821aa1e1405a0fc327707978da64d36a4a6c4740f2925cea3"

/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=debian os-version=13
# 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       5.2
# invariant            ["ocaml-base-compiler" {= "5.2.1"}]
# compiler-packages    ocaml-base-compiler.5.2.1, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.2/lib/ocaml/stublibs:/home/opam/.opam/5.2/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.2.1
2026-01-07 19:04.29 ---> saved as "941064db5e92fbfa9579cebe8a9208bae3f5fc8eb4af2626f6d03fdd6e5d8a39"

/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/"))
2026-01-07 19:04.39 ---> saved as "95c3366d4e86d08007dac08a8f0b1a75ad3cae1d90eb2989438be5888512b8ea"

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-07 19:04.52 ---> saved as "b374a3b09fc5b6f00e3b78d12d972f39900ed8e0cb48835daa93cb51b27c6c1c"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-07 19:05.14 ---> saved as "f475e5f427f69f457dcdb8637802fdd422524e12e7dc7dfce967733ee86186b4"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [94.2 kB]
- Fetched 185 kB in 0s (1593 kB/s)
- Reading package lists...
- 
2026-01-07 19:05.15 ---> saved as "4bb9d7753ea74452b024ce437678fe54dca566526d92e183fa6701a9671a7411"

/home/opam: (run (shell "opam pin add -k version -yn bitwuzla-cxx.0.2.0 0.2.0"))
bitwuzla-cxx is now pinned to version 0.2.0
2026-01-07 19:05.16 ---> saved as "0655a8c84ee2607edf9a2eb5b6f7e4bf5b0d6b27fdfb5f1bff008482d4fb04b4"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall bitwuzla-cxx.0.2.0;\
                        \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 \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'bitwuzla-cxx.0.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
bitwuzla-cxx.0.2.0 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.2.1
    - bitwuzla-cxx < 0.3.0 -> ocaml < 5.0~ -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.2.1
    - bitwuzla-cxx < 0.3.0 -> ocaml < 5.0~ -> ocaml-variants (< 4.00.1~ | >= 4.00.1)
  * Missing dependency:
    - bitwuzla-cxx < 0.3.0 -> ocaml < 5.0~ -> 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 5.2.1
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - bitwuzla-cxx < 0.3.0 -> ocaml < 5.0~ -> ocaml-variants >= 4.00.1 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - bitwuzla-cxx < 0.3.0 -> ocaml < 5.0~ -> ocaml-variants >= 4.00.1 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall bitwuzla-cxx.0.2.0;
        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 "\"debian-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'bitwuzla-cxx.0.2.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-01-07 19:05.47: Job failed: Failed: Build failed
2026-01-07 19:05.47: Log analysis:
2026-01-07 19:05.47: >>> 
No solution found, exiting
 (score = 100)
2026-01-07 19:05.47: [SKIP] Package not available