(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-13-ocaml-5.4/arm64
To reproduce locally:
cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29068/head" && git reset --hard 199fe28c
git fetch origin master
git merge --no-edit 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn matcha.0.1.0 0.1.0
RUN opam reinstall matcha.0.1.0; \
res=$?; \
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-13\""; 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: ${partial_fails}"; \
exit 1
END-OF-DOCKERFILE
docker build -f ../Dockerfile .
2026-03-19 08:08.42: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a-matcha.0.1.0-199fe28cd74a5ffe7f2f116239daf07e8ca8c28f"
2026-03-19 08:08.42: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a)
(user (uid 1000) (gid 1000))
(workdir /home/opam)
(run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
(run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
(run (shell "opam option solver=builtin-0install && opam config report"))
(env OPAMDOWNLOADJOBS 1)
(env OPAMERRLOGLEN 0)
(env OPAMPRECISETRACKING 1)
(env CI true)
(env OPAM_REPO_CI true)
(run (shell "rm -rf opam-repository/"))
(copy (src .) (dst opam-repository/))
(run (shell "opam repository set-url --strict default opam-repository/"))
(run (network host)
(shell "opam update --depexts || true"))
(run (shell "opam pin add -k version -yn matcha.0.1.0 0.1.0"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall matcha.0.1.0;\
\n res=$?;\
\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-13\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$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 08:08.44: Got resource from pool OCluster
Building on okypous.caelum.ci.dev
Updating files: 80% (14848/18505)
Updating files: 81% (14990/18505)
Updating files: 82% (15175/18505)
Updating files: 83% (15360/18505)
Updating files: 84% (15545/18505)
Updating files: 85% (15730/18505)
Updating files: 86% (15915/18505)
Updating files: 87% (16100/18505)
Updating files: 88% (16285/18505)
Updating files: 89% (16470/18505)
Updating files: 90% (16655/18505)
Updating files: 91% (16840/18505)
Updating files: 92% (17025/18505)
Updating files: 93% (17210/18505)
Updating files: 94% (17395/18505)
Updating files: 95% (17580/18505)
Updating files: 96% (17765/18505)
Updating files: 97% (17950/18505)
Updating files: 98% (18135/18505)
Updating files: 99% (18320/18505)
Updating files: 100% (18505/18505)
Updating files: 100% (18505/18505), done.
HEAD is now at 79d2d92c08 [new release] dune (18 packages) (3.22.0)
HEAD is now at 9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0
Merge made by the 'ort' strategy.
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-13-ocaml-5.4@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a' locally
docker.io/ocaml/opam@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a: Pulling from ocaml/opam
ac9148dc57ca: Already exists
7888403f6ebd: Already exists
c624d8e138d3: Already exists
bae5329cb92a: Already exists
6228156e24ec: Already exists
d851fec6b77f: Already exists
45e3afcdcfef: Already exists
b3e7f2150c0a: Already exists
91048a8ba3a7: Already exists
26a15cffb83a: Already exists
3c2f2520de0f: Already exists
9f731cc5daa6: Already exists
0809377d5f3c: Already exists
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065e3401ccf2: Already exists
bce3ceded749: Already exists
c4a4a6ab703b: Already exists
aa84bc2cf05b: Already exists
0fb96351134e: Already exists
a1735f92ccde: Already exists
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f03483f6ff47: Already exists
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fb2e4e264f0c: Already exists
aa2081614483: Pulling fs layer
526a1409cb54: Pulling fs layer
3a2eac8aba41: Pulling fs layer
663c0b5229f0: Pulling fs layer
f07447d54e12: Pulling fs layer
8eca58e2e466: Pulling fs layer
269ed2830268: Pulling fs layer
f07447d54e12: Waiting
663c0b5229f0: Waiting
269ed2830268: Waiting
8eca58e2e466: Waiting
526a1409cb54: Verifying Checksum
526a1409cb54: Download complete
aa2081614483: Verifying Checksum
aa2081614483: Download complete
aa2081614483: Pull complete
526a1409cb54: Pull complete
3a2eac8aba41: Verifying Checksum
3a2eac8aba41: Download complete
3a2eac8aba41: Pull complete
f07447d54e12: Download complete
8eca58e2e466: Verifying Checksum
8eca58e2e466: Download complete
269ed2830268: Verifying Checksum
269ed2830268: Download complete
663c0b5229f0: Verifying Checksum
663c0b5229f0: Download complete
663c0b5229f0: Pull complete
f07447d54e12: Pull complete
8eca58e2e466: Pull complete
269ed2830268: Pull complete
Digest: sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a
Status: Downloaded newer image for ocaml/opam@sha256:c1830cb89505d82ce4f4b4097f1d002748603cb00382aa65e938776c377fa13a
2026-03-19 08:08.51 ---> using "d3aef2d93064c0f54a54ca210e09e3e24634a77abbb58d114299d90d4843ce0d" from cache
/: (user (uid 1000) (gid 1000))
/: (workdir /home/opam)
/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-19 08:08.51 ---> using "c6d013832b8e76282c6b234748b48ad1f1e9cc759f5de056c670da3554b797e4" 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.
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
2026-03-19 08:08.51 ---> using "fb496ff70b60feb4631f2ccabfaf3e4ce96b849824fabff4dfb86387ecb42786" 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=arm64 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 79
# 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 08:08.51 ---> using "aa92515e6c6831c3af95685ce4459633457cd57f4d4ed0d3b134dfcd50a6d3ce" 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/"))
2026-03-19 08:08.51 ---> using "c1b6fa629490ffe282e3b42423139a5cde8b6751f88cf847685f943bce34c598" from cache
/home/opam: (copy (src .) (dst opam-repository/))
2026-03-19 08:09.00 ---> saved as "7bbcbebbbc3b816ef1c519f60fd6397a8a5d8bbd2a2a90b39506e37b5e3f76f6"
/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-19 08:09.22 ---> saved as "25acf662bfd3f5244e1cc29397d3d22c0775fc8f55e365667361ecbc5c2cf7bd"
/home/opam: (run (network host)
(shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]
- 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 trixie/main arm64 Packages [9607 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [116 kB]
- Fetched 9954 kB in 5s (1847 kB/s)
- Reading package lists...
-
2026-03-19 08:09.29 ---> saved as "b1299e5491cfcad243bcb2bc70cc15dea3dee759cfb45cc2c9235c03e05a1119"
/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 08:09.30 ---> saved as "f60ae298f64752a358bfcb0d0b7b025e5ebf3a7ebeaa2a3c3dfee82cda3cf1f6"
/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-13\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'matcha.0.1.0' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
matcha.0.1.0 is not installed. Install it? [Y/n] y
* Incompatible packages:
- (invariant) -> ocaml-base-compiler = 5.4.0
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants (< 4.05.2~ | >= 4.06.0)
You can temporarily relax the switch invariant with `--update-invariant'
* Incompatible packages:
- (invariant) -> ocaml-base-compiler = 5.4.0 -> ocaml-compiler = 5.4.0 -> base-effects
- matcha -> ppxlib < 0.36.0 -> ocaml-migrate-parsetree >= 1.3.1
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml-migrate-parsetree >= 1.3.1 -> ocaml < 4.15 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
not available because the package is pinned to version 5.4.0
unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
no matching version
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants >= 4.06.0 -> ocaml-beta
unmet availability conditions: 'enable-ocaml-beta-repository'
* Missing dependency:
- matcha -> ppxlib < 0.36.0 -> ocaml < 4.10 -> ocaml-variants >= 4.06.0 -> system-msvc
unmet availability conditions: 'os = "win32"'
No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall matcha.0.1.0;
res=$?;
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-13\""; 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 08:09.50: Job failed: Failed: Build failed
2026-03-19 08:09.50: Log analysis:
2026-03-19 08:09.50: >>>
No solution found, exiting
(score = 100)
2026-03-19 08:09.50: [SKIP] Package not available