(not at the head of any monitored branch or PR)
2026-04-08 03:59.26: New job: build stdcompat.19, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29667/head (3ff349ae2cd8702ef7a5124f6b5cdbaaf3350d51)
                              on opensuse-16.0-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29667/head" && git reset --hard 3ff349ae
git fetch origin master
git merge --no-edit 67472cd54293d750a62d6d4423024d55f77268b0
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:opensuse-16.0-ocaml-5.4@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn stdcompat.19 19
RUN opam reinstall stdcompat.19; \
    res=$?; \
    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 "\"opensuse-16.0\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'stdcompat.19' && partial_fails="$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 .

2026-04-08 03:59.26: Using cache hint "ocaml/opam:opensuse-16.0-ocaml-5.4@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2-stdcompat.19-3ff349ae2cd8702ef7a5124f6b5cdbaaf3350d51"
2026-04-08 03:59.26: Using OBuilder spec:
((from ocaml/opam:opensuse-16.0-ocaml-5.4@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2)
 (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 stdcompat.19 19"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall stdcompat.19;\
             \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 \"\\\"opensuse-16.0\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'stdcompat.19' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-08 03:59.26: Waiting for resource in pool OCluster
2026-04-08 04:12.39: Waiting for worker…
2026-04-08 04:13.44: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 67472cd542 Merge pull request #29652 from RyanGibb/master
Updating 67472cd542..3ff349ae2c
Fast-forward
 packages/stdcompat/stdcompat.0/opam    | 2 +-
 packages/stdcompat/stdcompat.1/opam    | 2 +-
 packages/stdcompat/stdcompat.15/opam   | 2 +-
 packages/stdcompat/stdcompat.16/opam   | 2 +-
 packages/stdcompat/stdcompat.17/opam   | 2 +-
 packages/stdcompat/stdcompat.18/opam   | 2 +-
 packages/stdcompat/stdcompat.19/opam   | 2 +-
 packages/stdcompat/stdcompat.20.0/opam | 2 +-
 packages/stdcompat/stdcompat.20.1/opam | 2 +-
 packages/stdcompat/stdcompat.21.0/opam | 2 +-
 packages/stdcompat/stdcompat.21.1/opam | 2 +-
 11 files changed, 11 insertions(+), 11 deletions(-)

(from ocaml/opam:opensuse-16.0-ocaml-5.4@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2)
Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-5.4@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2' locally
docker.io/ocaml/opam@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2: Pulling from ocaml/opam
64cfa2a65095: Already exists
204ffcf2f1fe: Already exists
f6fa4529cc6b: Already exists
97af65095748: Already exists
b802a6057f6d: Already exists
47b045e79836: Already exists
2ce8a10bf29f: Already exists
781ee767d1c7: Already exists
2271c058ae3a: Already exists
2e5754ca2c40: Already exists
de21e4dabd9c: Already exists
f047029589c4: Already exists
0f454d36be04: Already exists
04ab44a2df2c: Already exists
ad401f078830: Already exists
096a51bccb57: Already exists
e7134f98c78b: Already exists
afc7c35ee433: Already exists
7bfa5dba7952: Already exists
4f4fb700ef54: Already exists
f6b6a751bb6a: Already exists
f71dccae2ee7: Already exists
fe37a54a1499: Already exists
1815b99ebc09: Already exists
363d1f23b2cf: Already exists
4bb0990bd121: Already exists
ac4f9c652c6c: Already exists
ab5409fef174: Already exists
5e58ee45c6c7: Already exists
ee06219176b1: Already exists
34fd31afeec8: Already exists
c7a97b361486: Already exists
45eb0c786818: Already exists
53c3f15ee1d5: Already exists
d7bed9c465c4: Already exists
6e09106a38f7: Already exists
52f1c2830cbe: Already exists
70c3773e87cb: Already exists
4b1ae22fcf8a: Pulling fs layer
77e89ac38926: Pulling fs layer
b7ae7f0fde98: Pulling fs layer
cbb22dd1f6e4: Pulling fs layer
07c71167c2ca: Pulling fs layer
290e295d9ac8: Pulling fs layer
b47078cf6c51: Pulling fs layer
cbb22dd1f6e4: Waiting
07c71167c2ca: Waiting
b47078cf6c51: Waiting
4b1ae22fcf8a: Verifying Checksum
4b1ae22fcf8a: Download complete
4b1ae22fcf8a: Pull complete
b7ae7f0fde98: Verifying Checksum
b7ae7f0fde98: Download complete
07c71167c2ca: Download complete
290e295d9ac8: Verifying Checksum
290e295d9ac8: Download complete
b47078cf6c51: Verifying Checksum
b47078cf6c51: Download complete
cbb22dd1f6e4: Verifying Checksum
cbb22dd1f6e4: Download complete
77e89ac38926: Verifying Checksum
77e89ac38926: Download complete
77e89ac38926: Pull complete
b7ae7f0fde98: Pull complete
cbb22dd1f6e4: Pull complete
07c71167c2ca: Pull complete
290e295d9ac8: Pull complete
b47078cf6c51: Pull complete
Digest: sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2
Status: Downloaded newer image for ocaml/opam@sha256:e4ac2bf7c94033f0739c14e1bac6b4effb7b8f3f97d1a15dbfb85c28886f8ca2
2026-04-08 04:13.48 ---> using "2c983d8ca9c8608d031dbb794486dbb64869e7cb9d27655f4007d7f81e5d7bba" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-04-08 04:13.48 ---> using "436418a93e3a38de0a2b1597930f28c1368bbfb5734a73bce4c7f2fea1cba22d" 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 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
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=255 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-04-08 04:13.48 ---> using "72caf9d749aad7b7e11b4e2a575672c453d338c906f8b7a689445fb908410944" 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         2.5.0
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=opensuse-leap os-version=16.0
# 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" {= "5.4.1"}]
# compiler-packages    ocaml-base-compiler.5.4.1, ocaml-compiler.5.4.1, 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       5.4.1
2026-04-08 04:13.48 ---> using "69de20d3ddc25c4115964502cdff764d8a86c7b8eff44ddcbe1a296389894d4b" 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/"))
2026-04-08 04:13.48 ---> using "e47b31e9dd96501fb5af72cc22b4e3813f87c8ffdf3e8a8dd94bd69d86d25bf6" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-08 04:13.53 ---> saved as "c1fee9596a6a9ca90ff1a4b68d768c9fdc5c5166789e77f3ee00a5a097376877"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-08 04:14.11 ---> saved as "ce849a36da46b1e89fe8898c899216350e09c46137202ae73f0c8b3701c83ca8"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"
- Repository 'repo-openh264 (16.0)' is up to date.
- Retrieving repository 'repo-oss (16.0)' metadata [..
- Looking for gpg keys in repository repo-oss (16.0).
-   gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key
- ...
- ..
- ..........
- .done]
- Building repository 'repo-oss (16.0)' cache [..
- ..done]
- All repositories have been refreshed.
2026-04-08 04:14.22 ---> saved as "7a4ec4d43de60febf53d34a7c32a342759be6284bd2ae9944a7432980f1e098c"

/home/opam: (run (shell "opam pin add -k version -yn stdcompat.19 19"))
stdcompat is now pinned to version 19
2026-04-08 04:14.23 ---> saved as "b3f1bc316a685659d02e828f5c7943f283c2d6eff9f71c394f26a1a69a7674c0"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall stdcompat.19;\
                        \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 \"\\\"opensuse-16.0\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'stdcompat.19' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
stdcompat.19 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - stdcompat = 19 -> ocaml < 5.2 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.4.1
    - stdcompat = 19 -> ocaml < 5.2 -> ocaml-variants (< 4.00.1~ | >= 4.00.1)
  * Missing dependency:
    - stdcompat = 19 -> ocaml < 5.2 -> 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 5.4.1
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - stdcompat = 19 -> ocaml < 5.2 -> ocaml-variants >= 4.00.1 -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - stdcompat = 19 -> ocaml < 5.2 -> ocaml-variants >= 4.00.1 -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall stdcompat.19;
        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 "\"opensuse-16.0\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'stdcompat.19' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-04-08 04:14.41: Job failed: Failed: Build failed
2026-04-08 04:14.41: Log analysis:
2026-04-08 04:14.41: >>> 
No solution found, exiting
 (score = 100)
2026-04-08 04:14.41: [SKIP] Package not available