(for PR #29159)

2026-01-21 12:32.25: New job: build ortools_solvers.9.14.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29159/head (54e99e25df564b1568f413be7f61592dcad00735)
                              on archlinux-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29159/head" && git reset --hard 54e99e25
git fetch origin master
git merge --no-edit 10a02a697b08f6d78a6c4c2cb9a76136afc7776d
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:archlinux-ocaml-4.14@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ortools_solvers.9.14.0 9.14.0
RUN opam reinstall ortools_solvers.9.14.0; \
    res=$?; \
    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 "\"archlinux\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ortools_solvers.9.14.0' && partial_fails="$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 .

2026-01-21 12:32.25: Using cache hint "ocaml/opam:archlinux-ocaml-4.14@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434-ortools_solvers.9.14.0-54e99e25df564b1568f413be7f61592dcad00735"
2026-01-21 12:32.25: Using OBuilder spec:
((from ocaml/opam:archlinux-ocaml-4.14@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434)
 (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 ortools_solvers.9.14.0 9.14.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ortools_solvers.9.14.0;\
             \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 \"\\\"archlinux\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ortools_solvers.9.14.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-21 12:32.25: Waiting for resource in pool OCluster
2026-01-21 12:32.27: Waiting for worker…
2026-01-21 12:34.29: Got resource from pool OCluster
Building on eumache
All commits already cached
HEAD is now at 10a02a697b Merge pull request #29249 from panglesd/release-slipshow-v0.8.0
Merge made by the 'ort' strategy.
 packages/ortools/ortools.9.14.0/opam               | 47 +++++++++++++++
 .../ortools_solvers/ortools_solvers.9.14.0/opam    | 68 ++++++++++++++++++++++
 2 files changed, 115 insertions(+)
 create mode 100644 packages/ortools/ortools.9.14.0/opam
 create mode 100644 packages/ortools_solvers/ortools_solvers.9.14.0/opam

(from ocaml/opam:archlinux-ocaml-4.14@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434)
Unable to find image 'ocaml/opam:archlinux-ocaml-4.14@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434' locally
docker.io/ocaml/opam@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434: Pulling from ocaml/opam
0085e6dc1230: Already exists
1bd25e74f055: Already exists
f80dfd131ff5: Already exists
dd443457de84: Already exists
40520384357c: Already exists
20cb13837c2b: Already exists
Digest: sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434
Status: Downloaded newer image for ocaml/opam@sha256:dcfa7c735edf3ea659d1e81aecc3320af03af28871311c0cf414ddc14c4c2434
2026-01-21 12:35.30 ---> saved as "8304b0faf2ad5be6b149274ceebe6b312868e0124191bcff859577a4ebedb3a2"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-21 12:35.30 ---> saved as "b9cc76d5c5e6ba8ee9552676153cfca58f963943406f027ca4deab5150d0dc43"

/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
[ocaml-patches-overlay] synchronised from git+https://github.com/ocurrent/opam-repository#patches
2026-01-21 12:36.40 ---> saved as "40e1d4788698e002243038f44b167a62075ed4bed3800e356970963de2c7f693"

/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=arch os-version=20260111.0.480139
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         2 (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
2026-01-21 12:36.41 ---> saved as "82c623e199775ccd18489beb65f5abbbde3df6d8b39a3d0de237074cd9be4fc1"

/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/"))
2026-01-21 12:36.53 ---> saved as "3aa673d53df54d555006bd6a966ffbe6820f2913a2afc2eea7bae3acb6ff7ddf"

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-21 12:37.05 ---> saved as "100a41f9c4850dca56f903a448db1d280fa1f1ab5a23fc34bb04b9f5826fcd90"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-21 12:37.30 ---> saved as "ef173fbd8b2e51b1d3c647b671baf32ce27ff2270619e58b2adcdf60ea949184"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "pacman" "-Sy"
- :: Synchronizing package databases...
-  core downloading...
-  extra downloading...
2026-01-21 12:37.30 ---> saved as "f011282b5b26e2cabdf6b31dfa816408f64b191deb4b233dd2bc12b9122096ff"

/home/opam: (run (shell "opam pin add -k version -yn ortools_solvers.9.14.0 9.14.0"))
ortools_solvers is now pinned to version 9.14.0
2026-01-21 12:37.31 ---> saved as "0b16b4f1789343f415728b481d09769684755a1a2c4963bdaaaaf8325924f3b4"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ortools_solvers.9.14.0;\
                        \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 \"\\\"archlinux\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ortools_solvers.9.14.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ortools_solvers.9.14.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== recompile 2 packages
  ↻ ocaml             4.14.2          [upstream or system changes]
  ↻ opam-depext       1.2.3           [uses ocaml]
=== install 7 packages
  ∗ csexp             1.5.2           [required by dune-configurator]
  ∗ dune              3.21.0          [required by ortools_solvers]
  ∗ dune-configurator 3.21.0          [required by ortools_solvers]
  ∗ ortools           9.14.0          [required by ortools_solvers]
  ∗ ortools_solvers   9.14.0 (pinned)
  ∗ pbrt              4.0             [required by ortools]
  ∗ stdlib-shims      0.3.0           [required by pbrt]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
⬇ retrieved csexp.1.5.2  (cached)
⬇ retrieved dune.3.21.0, dune-configurator.3.21.0  (cached)
⬇ retrieved opam-depext.1.2.3  (cached)
⬇ retrieved ortools.9.14.0, ortools_solvers.9.14.0  (cached)
⬇ retrieved pbrt.4.0  (cached)
⊘ removed   opam-depext.1.2.3
⊘ removed   ocaml.4.14.2
∗ installed ocaml.4.14.2
⬇ retrieved stdlib-shims.0.3.0  (cached)
∗ installed opam-depext.1.2.3
∗ installed dune.3.21.0
∗ installed csexp.1.5.2
∗ installed stdlib-shims.0.3.0
∗ installed pbrt.4.0
∗ installed dune-configurator.3.21.0
∗ installed ortools.9.14.0
[ERROR] The compilation of ortools_solvers.9.14.0 failed at "dune build -p ortools_solvers -j 71 @install".

#=== ERROR while compiling ortools_solvers.9.14.0 =============================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | pinned(https://github.com/INRIA/ocaml-ortools/releases/download/9.14.0/ortools-9.14.0.tbz)
# path                 ~/.opam/4.14/.opam-switch/build/ortools_solvers.9.14.0
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p ortools_solvers -j 71 @install
# exit-code            1
# env-file             ~/.opam/log/ortools_solvers-7-3e5dc3.env
# output-file          ~/.opam/log/ortools_solvers-7-3e5dc3.out
### output ###
# File "ortools_solvers/dune", lines 1-11, characters 0-281:
#  1 | (library
#  2 |   (name ortools_solvers)
#  3 |   (public_name ortools_solvers)
#  4 |   (synopsis "Call Google OR-Tools solvers")
#  5 |   (modules ortools_solvers)
#  6 |   (foreign_stubs
#  7 |     (language c)
#  8 |     (names ocaml_ortools_solvers))
#  9 |   (c_library_flags (:include discover/flags.sexp))
# 10 |   (libraries ortools)
# 11 | )
# (cd _build/default && /home/opam/.opam/4.14/bin/ocamlmklib.opt -g -o ortools_solvers/ortools_solvers_stubs ortools_solvers/ocaml_ortools_solvers.o -ldopt -l:libortools.so.9)
# /usr/sbin/ld: cannot find -l:libortools.so.9: No such file or directory
# collect2: error: ld returned 1 exit status



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
┌─ The following actions failed
│ λ build ortools_solvers 9.14.0
└─ 
┌─ The following changes have been performed
│ ↻ recompile ocaml             4.14.2
│ ↻ recompile opam-depext       1.2.3
│ ∗ install   csexp             1.5.2
│ ∗ install   dune              3.21.0
│ ∗ install   dune-configurator 3.21.0
│ ∗ install   ortools           9.14.0
│ ∗ install   pbrt              4.0
│ ∗ install   stdlib-shims      0.3.0
└─ 

<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/4.14/.opam-switch/backup/state-20260121123732.export"
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.
"/usr/bin/env" "bash" "-c" "opam reinstall ortools_solvers.9.14.0;
        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 "\"archlinux\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'ortools_solvers.9.14.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-01-21 12:38.24: Job failed: Failed: Build failed
2026-01-21 12:38.24: Log analysis:
2026-01-21 12:38.24: >>> 
[ERROR] The compilation of ortools_solvers.9.14.0 failed at "dune build -p ortools_solvers -j 71 @install".
 (score = 20)
2026-01-21 12:38.24: >>> 
# collect2: error: ld returned 1 exit status
 (score = 30)
2026-01-21 12:38.24: >>> 
A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.
 (score = 100)
2026-01-21 12:38.24: [SKIP] Failure ignored