(for PR #29068)
2026-03-19 08:08.42: New job: build matcha.0.1.0, using opam 2.0
from https://github.com/ocaml/opam-repository.git#refs/pull/29068/head (199fe28cd74a5ffe7f2f116239daf07e8ca8c28f)
on debian-13-ocaml-4.14/amd64
To reproduce locally:
cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29068/head" && git reset --hard 199fe28c
git fetch origin master
git merge --no-edit 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam depext -u || true
RUN opam pin add -k version -yn matcha.0.1.0 0.1.0
RUN opam depext matcha.0.1.0 && opam reinstall matcha.0.1.0; \
res=$?; \
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: ${partial_fails}"; \
exit 1
END-OF-DOCKERFILE
docker build -f ../Dockerfile .
2026-03-19 08:08.42: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e-matcha.0.1.0-199fe28cd74a5ffe7f2f116239daf07e8ca8c28f"
2026-03-19 08:08.42: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
(user (uid 1000) (gid 1000))
(workdir /home/opam)
(run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
(run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
(run (shell "opam config report"))
(env OPAMDOWNLOADJOBS 1)
(env OPAMERRLOGLEN 0)
(env OPAMPRECISETRACKING 1)
(env CI true)
(env OPAM_REPO_CI true)
(run (shell "rm -rf opam-repository/"))
(copy (src .) (dst opam-repository/))
(run (shell "opam repository set-url --strict default opam-repository/"))
(run (network host)
(shell "opam depext -u || true"))
(run (shell "opam pin add -k version -yn matcha.0.1.0 0.1.0"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext matcha.0.1.0 && opam reinstall matcha.0.1.0;\
\n res=$?;\
\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 08:10.04: Got resource from pool OCluster
Building on clete
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.
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-4.14@sha256:37323dc71cac48a3e4688e16b45b95486f3cc440c55ab3f83114e8973362f41e)
2026-03-19 08:10.18 ---> using "32cd5b5baf995c02200cf270da597dbb25becd220af2c200c00b8b241a742195" from cache
/: (user (uid 1000) (gid 1000))
/: (workdir /home/opam)
/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.0 /usr/bin/opam"))
2026-03-19 08:10.19 ---> saved as "c343c3c6295981533755a1ca2c0ec379cf8991cedf65b273884f45bb69211880"
/home/opam: (run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
[NOTE] Will configure 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.
[WARNING] Recommended dependencies -- most packages rely on these:
- m4
<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
default (at git+file:///home/opam/opam-repository):
[INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)
2026-03-19 08:11.26 ---> saved as "ec37f4969fa389f1d93f40c8a369ba074d0b0e28a83cb92c21189ed51e5fc57b"
/home/opam: (run (shell "opam config report"))
# opam config report
# opam-version 2.0.10 (adc1e1829a2bef5b240746df80341b508290fe3b)
# self-upgrade no
# system arch=x86_64 os=linux os-distribution=debian os-version=13
# solver builtin-mccs+glpk
# install-criteria -removed,-count[version-lag,request],-count[version-lag,changed],-changed
# upgrade-criteria -removed,-count[version-lag,solution],-new
# jobs 71
# repositories 1 (version-controlled)
# pinned 1 (version)
# current-switch 4.14
2026-03-19 08:11.28 ---> saved as "1a5ecbfbfc9582e170b5ac395c88085a6267e6a7a0cc61c500ff92d9b7bd5356"
/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 08:11.35 ---> saved as "4b2335df7d21d8b42e5d811648a3c2c1a5799baf41f9d4d77f2f8561cd56c177"
/home/opam: (copy (src .) (dst opam-repository/))
2026-03-19 08:11.51 ---> saved as "01e4c6831e06cecf4bdb9945487377066d111c4742e1d053b270dc310758d301"
/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
default (at file:///home/opam/opam-repository):
[INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)
2026-03-19 08:12.04 ---> saved as "39436dbcd552eaf4ebc5f90f0374e889ae670f99106d308f7483796e96bb9f71"
/home/opam: (run (network host)
(shell "opam depext -u || true"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
# No extra OS packages requirements found.
# All required OS packages found.
The following command needs to be run through "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 amd64 Packages [9671 kB]
Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [115 kB]
Fetched 10.0 MB in 8s (1297 kB/s)
Reading package lists...
# OS package update successful
2026-03-19 08:12.14 ---> saved as "f8c5afd167d8c53e12789d9af0e6ec3afd4b78eee30ff8e95112fabaf5f110a6"
/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 08:12.14 ---> saved as "5c41e5d22733db48e7c21e1710be390bf508adcd006315a584118e2934991b7b"
/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext matcha.0.1.0 && 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: ${partial_fails}\";\
\n exit 1"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian
[ERROR] No solution for matcha.0.1.0: The following dependencies couldn't be met:
- matcha -> ocaml >= 5.3.0
base of this switch (use `--unlock-base' to force)
Command failed: opam list --readonly --external '--resolve=matcha.0.1.0' --color=never returned 20
"/usr/bin/env" "bash" "-c" "opam depext matcha.0.1.0 && opam reinstall matcha.0.1.0;
res=$?;
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 08:12.29: Job failed: Failed: Build failed
2026-03-19 08:12.29: Log analysis:
2026-03-19 08:12.29: >>>
[ERROR] No solution for matcha.0.1.0: The following dependencies couldn't be met:
(score = 100)
2026-03-19 08:12.29: [SKIP] Package not available