(for PR #29068)
2026-03-19 08:08.42: New job: build matcha.0.1.0, using opam dev
from https://github.com/ocaml/opam-repository.git#refs/pull/29068/head (199fe28cd74a5ffe7f2f116239daf07e8ca8c28f)
on debian-testing-ocaml-5.4/amd64
To reproduce locally:
cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29068/head" && git reset --hard 199fe28c
git fetch origin master
git merge --no-edit 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-testing-ocaml-5.4@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn matcha.0.1.0 0.1.0
RUN opam reinstall matcha.0.1.0; \
res=$?; \
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-testing\""; then \
echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
fi; \
test "$pkg" != 'matcha.0.1.0' && partial_fails="$partial_fails $pkg"; \
done; \
test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
exit 1
END-OF-DOCKERFILE
docker build -f ../Dockerfile .
2026-03-19 08:08.42: Using cache hint "ocaml/opam:debian-testing-ocaml-5.4@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90-matcha.0.1.0-199fe28cd74a5ffe7f2f116239daf07e8ca8c28f"
2026-03-19 08:08.42: Using OBuilder spec:
((from ocaml/opam:debian-testing-ocaml-5.4@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90)
(user (uid 1000) (gid 1000))
(workdir /home/opam)
(run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
(run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
(run (shell "opam option solver=builtin-0install && opam config report"))
(env OPAMDOWNLOADJOBS 1)
(env OPAMERRLOGLEN 0)
(env OPAMPRECISETRACKING 1)
(env CI true)
(env OPAM_REPO_CI true)
(run (shell "rm -rf opam-repository/"))
(copy (src .) (dst opam-repository/))
(run (shell "opam repository set-url --strict default opam-repository/"))
(run (network host)
(shell "opam update --depexts || true"))
(run (shell "opam pin add -k version -yn matcha.0.1.0 0.1.0"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall matcha.0.1.0;\
\n res=$?;\
\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-testing\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
)
2026-03-19 08:08.42: Waiting for resource in pool OCluster
2026-03-19 08:08.44: Waiting for worker…
2026-03-19 08:09.19: Got resource from pool OCluster
Building on eumache
All commits already cached
HEAD is now at 9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0
Merge made by the 'ort' strategy.
Auto packing the repository in the background for optimum performance.
See "git help gc" for manual housekeeping.
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log
Automatic cleanup will not be performed until the file is removed.
warning: There are too many unreachable loose objects; run 'git prune' to remove them.
packages/matcha/matcha.0.1.0/opam | 40 +++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 packages/matcha/matcha.0.1.0/opam
(from ocaml/opam:debian-testing-ocaml-5.4@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90)
Unable to find image 'ocaml/opam:debian-testing-ocaml-5.4@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90' locally
docker.io/ocaml/opam@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90: Pulling from ocaml/opam
e78b302b322b: Already exists
76f0da389aa6: Already exists
66665062d66a: Already exists
2f024bdd9d42: Already exists
cbbea2b96215: Already exists
8a89c5c91cd0: Already exists
f82bbf211cfc: Already exists
7a177b0c529a: Already exists
Digest: sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90
Status: Downloaded newer image for ocaml/opam@sha256:21581a8189e7e47a21bf59bfd7c53c7f26a94468e79d2e2a599b61ce8b33dd90
2026-03-19 08:09.46 ---> saved as "b20b2077c285a816a488fe14f12738d48f48796676c6c4058fceb21cec84ce29"
/: (user (uid 1000) (gid 1000))
/: (workdir /home/opam)
/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-19 08:09.47 ---> saved as "f9865ad8ed9996c3d4e51839ebb70238b16a23cc23d91c00f2b994b4e230a7ef"
/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
2026-03-19 08:10.18 ---> saved as "90dddd89b06ef402b126040adad84c44ad3a390cfbe8b5a74889c79d112a976a"
/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=unknown
# 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" {>= "5.4.0"}]
# compiler-packages ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, 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 5.4.0
2026-03-19 08:10.20 ---> saved as "5122af43b31179566c88d36a4692cc89a3634b7af4e64766125354c5800c97e5"
/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/"))
2026-03-19 08:10.31 ---> saved as "543d823b38ea219c23e039ed1fed96e4860a0b2c953d8039f1826412d8a9c3d6"
/home/opam: (copy (src .) (dst opam-repository/))
2026-03-19 08:10.40 ---> saved as "107c7b72802e634e0fab0e0df73e1d29d89cf28621923c58c4151bfea191a6ce"
/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-19 08:11.04 ---> saved as "797f657186df810f83338170f0294d2f969267eeae6fdff903580f229186efc3"
/home/opam: (run (network host)
(shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian testing InRelease [137 kB]
- Get:2 http://deb.debian.org/debian testing-updates InRelease [40.6 kB]
- Get:3 http://deb.debian.org/debian-security testing-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index [63.6 kB]
- Err:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index
- Couldn't find the start of the patch series
- Get:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index [63.6 kB]
- Ign:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index
- Get:5 http://deb.debian.org/debian testing/main amd64 Packages [9694 kB]
- Fetched 9979 kB in 1min 38s (102 kB/s)
- Reading package lists...
-
2026-03-19 08:12.44 ---> saved as "183a38d490429454673e7b4d425d807f553fb3158ecc876d0fc024fb27f6c495"
/home/opam: (run (shell "opam pin add -k version -yn matcha.0.1.0 0.1.0"))
matcha is now pinned to version 0.1.0
2026-03-19 08:12.45 ---> saved as "4594018c6f93cf1a54eb48a94f8d59820ec8f9bf8876100eb5b337769135afd8"
/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall matcha.0.1.0;\
\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-testing\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
matcha.0.1.0 is not installed. Install it? [Y/n] y
* Incompatible packages:
- (invariant) -> ocaml-base-compiler = 5.4.0
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants
You can temporarily relax the switch invariant with `--update-invariant'
* Incompatible packages:
- (invariant) -> ocaml-base-compiler = 5.4.0
- matcha -> ppxlib < 0.36.0 -> ocaml-migrate-parsetree >= 1.3.1 -> ocaml < 4.13 -> dkml-base-compiler
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml-migrate-parsetree >= 1.3.1 -> ocaml < 4.09.0 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
not available because the package is pinned to version 5.4.0
unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
no matching version
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants -> ocaml-beta
unmet availability conditions: 'enable-ocaml-beta-repository'
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants -> system-msvc
unmet availability conditions: 'os = "win32"'
No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall matcha.0.1.0;
res=$?;
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-testing\""; then
echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
fi;
test "$pkg" != 'matcha.0.1.0' && partial_fails="$partial_fails $pkg";
done;
test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
exit 1" failed with exit status 20
2026-03-19 08:13.04: Job failed: Failed: Build failed
2026-03-19 08:13.04: Log analysis:
2026-03-19 08:13.04: >>>
No solution found, exiting
(score = 100)
2026-03-19 08:13.04: [SKIP] Package not available