(for PR #29248)
2026-01-19 18:14.36: New job: build ambient-context-lwt.0.1.1, using opam dev
from https://github.com/ocaml/opam-repository.git#refs/pull/29248/head (9d61e8a449aa2436cbd9b390c4afa6b47e8ed0ba)
on centos-10-ocaml-4.14/amd64
To reproduce locally:
cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29248/head" && git reset --hard 9d61e8a4
git fetch origin master
git merge --no-edit 39960ffbaf3e5b50a1e354d4c99bfecc01e358ca
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ambient-context-lwt.0.1.1 0.1.1
RUN opam reinstall ambient-context-lwt.0.1.1; \
res=$?; \
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 "\"centos-10\""; then \
echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
fi; \
test "$pkg" != 'ambient-context-lwt.0.1.1' && partial_fails="$partial_fails $pkg"; \
done; \
test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
exit 1
END-OF-DOCKERFILE
docker build -f ../Dockerfile .
2026-01-19 18:14.36: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1-ambient-context-lwt.0.1.1-9d61e8a449aa2436cbd9b390c4afa6b47e8ed0ba"
2026-01-19 18:14.36: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1)
(user (uid 1000) (gid 1000))
(workdir /home/opam)
(run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
(run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
(run (shell "opam option solver=builtin-0install && opam config report"))
(env OPAMDOWNLOADJOBS 1)
(env OPAMERRLOGLEN 0)
(env OPAMPRECISETRACKING 1)
(env CI true)
(env OPAM_REPO_CI true)
(run (shell "rm -rf opam-repository/"))
(copy (src .) (dst opam-repository/))
(run (shell "opam repository set-url --strict default opam-repository/"))
(run (network host)
(shell "opam update --depexts || true"))
(run (shell "opam pin add -k version -yn ambient-context-lwt.0.1.1 0.1.1"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall ambient-context-lwt.0.1.1;\
\n res=$?;\
\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 \"\\\"centos-10\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'ambient-context-lwt.0.1.1' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
)
2026-01-19 18:14.36: Waiting for resource in pool OCluster
2026-01-19 18:14.38: Waiting for worker…
2026-01-19 18:17.04: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at 39960ffbaf Merge pull request #29193 from recoules/release-binsec-0.11.0
Updating 39960ffbaf..9d61e8a449
Fast-forward
.../ambient-context-eio.0.1.1/opam | 42 +++++++++++++++++++++
.../ambient-context-lwt.0.1.1/opam | 42 +++++++++++++++++++++
.../ambient-context/ambient-context.0.1.1/opam | 43 ++++++++++++++++++++++
3 files changed, 127 insertions(+)
create mode 100644 packages/ambient-context-eio/ambient-context-eio.0.1.1/opam
create mode 100644 packages/ambient-context-lwt/ambient-context-lwt.0.1.1/opam
create mode 100644 packages/ambient-context/ambient-context.0.1.1/opam
(from ocaml/opam:centos-10-ocaml-4.14@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1)
Unable to find image 'ocaml/opam:centos-10-ocaml-4.14@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1' locally
docker.io/ocaml/opam@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1: Pulling from ocaml/opam
d897ea1522f3: Pulling fs layer
2c050e833d43: Pulling fs layer
80815f31e519: Pulling fs layer
e2ebaf4a98fd: Pulling fs layer
2c050e833d43: Waiting
a3e0fc2134c1: Pulling fs layer
80815f31e519: Waiting
e2ebaf4a98fd: Waiting
a3e0fc2134c1: Waiting
d897ea1522f3: Verifying Checksum
d897ea1522f3: Download complete
d897ea1522f3: Pull complete
80815f31e519: Download complete
e2ebaf4a98fd: Verifying Checksum
e2ebaf4a98fd: Download complete
a3e0fc2134c1: Verifying Checksum
a3e0fc2134c1: Download complete
2c050e833d43: Verifying Checksum
2c050e833d43: Download complete
2c050e833d43: Pull complete
80815f31e519: Pull complete
e2ebaf4a98fd: Pull complete
a3e0fc2134c1: Pull complete
Digest: sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1
Status: Downloaded newer image for ocaml/opam@sha256:8c9dec0ebe6ef9ac9b9a1085ae6244e64201a5ae880383f553d11ff2790126e1
2026-01-19 18:17.13 ---> using "b0d66611d55fe7c7ec61c1a62e5b1031a322f4dae89cc0dfbfe615d5edb3387a" from cache
/: (user (uid 1000) (gid 1000))
/: (workdir /home/opam)
/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-19 18:17.13 ---> using "1e8b741afbcad323ce8e963c6f7c2734e3661fae8a2a8e2df2aba51b2cc3e3be" 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
2026-01-19 18:17.13 ---> using "0b99a5e39bb0c449065243d75aecadad960c1073f1bb2b18536299c6aaaabc61" 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=centos os-version=10
# 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 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
2026-01-19 18:17.13 ---> using "f90bf8c501cd0074323bc5ac259b5b2a9360ed4c5077775b3fd79904e0a93381" 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/"))
2026-01-19 18:17.13 ---> using "18237dbf67a662347cd5b1205d2157bc48e550079e489290cc026097c07031a0" from cache
/home/opam: (copy (src .) (dst opam-repository/))
2026-01-19 18:17.21 ---> saved as "a4250b43c8626a5c308f2e0a5a46acfa4f3dbc9debaae6459530e86a0c3a67c4"
/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-19 18:17.42 ---> saved as "7b8c5a8cb403b9263c8172eb9e9192d648a1491f242a79d525b2f9f0d2ff91bd"
/home/opam: (run (network host)
(shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS 92 kB/s | 14 kB 00:00
- CentOS Stream 10 - BaseOS 179 B/s | 3.9 kB 00:22
- Errors during downloading metadata for repository 'baseos':
- - Downloading successful, but checksum doesn't match. Calculated: 70ab77b42becc0d5a5053f26e821932f533f11a7f4b85bc5b34e88aa727a2ee09d37b479662357b2f22e0ca89905cae350f22166248e4db630cc50eace2e5d43(sha512) Expected: 935a9946fc41ff7383c6c2a2fd0c43f91ebe56fa5ff0779a60e2e7203198e88ef51aac0a98d7681dd1fec1982448d54147cdc0862df236572d6238f4a78c0a1a(sha512)
- Error: Failed to download metadata for repo 'baseos': Cannot download repomd.xml: Cannot download repodata/repomd.xml: All mirrors were tried
Fatal error: System package update failed with exit code 1 at command:
sudo yum makecache
2026-01-19 18:18.06 ---> saved as "32f5d85a46003954a023f57515e43232f6326d34d3c01a1d2ece3160db9cea5c"
/home/opam: (run (shell "opam pin add -k version -yn ambient-context-lwt.0.1.1 0.1.1"))
ambient-context-lwt is now pinned to version 0.1.1
2026-01-19 18:18.07 ---> saved as "e7d24a47f3695400d84ab6ce56865141a6523b64d6bd58e04a3f014e4bb3d477"
/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall ambient-context-lwt.0.1.1;\
\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 \"\\\"centos-10\\\"\"; then\
\n echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
\n fi;\
\n test \"$pkg\" != 'ambient-context-lwt.0.1.1' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
ambient-context-lwt.0.1.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 10 packages
- install ambient-context 0.1.1 [required by ambient-context-lwt]
- install ambient-context-lwt 0.1.1 (pinned)
- install base-bytes base [required by ocplib-endian]
- install cppo 1.8.0 [required by lwt]
- install csexp 1.5.2 [required by dune-configurator]
- install dune 3.21.0 [required by ambient-context-lwt]
- install dune-configurator 3.21.0 [required by lwt]
- install lwt 6.0.0 [required by ambient-context-lwt]
- install ocamlfind 1.9.8 [required by base-bytes]
- install ocplib-endian 1.2 [required by lwt]
<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ambient-context.0.1.1, ambient-context-lwt.0.1.1 (cached)
-> retrieved cppo.1.8.0 (cached)
-> retrieved csexp.1.5.2 (cached)
-> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached)
-> retrieved lwt.6.0.0 (cached)
-> retrieved ocamlfind.1.9.8 (cached)
-> retrieved ocplib-endian.1.2 (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.21.0
-> installed csexp.1.5.2
-> installed ambient-context.0.1.1
-> installed cppo.1.8.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.21.0
-> installed lwt.6.0.0
-> installed ambient-context-lwt.0.1.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-01-19 18:18.54 ---> saved as "97654111bcf7e42a246c3a40f33c36efd000f64716cb29a449c833a438c68f6a"
Job succeeded
2026-01-19 18:19.07: Job succeeded