(for PR #29568)
2026-03-23 09:19.17: New job: build ocamlformat-lib.0.26.2, using opam dev
from https://github.com/ocaml/opam-repository.git#refs/pull/29568/head (353fd9234f0397ed1edb6d612e5b9da8472dea1c)
on debian-13-ocaml-5.4/arm32v7
To reproduce locally:
cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29568/head" && git reset --hard 353fd923
git fetch origin master
git merge --no-edit 63b7ba71be83567e54bb667df0f2bb374d74fb61
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocamlformat-lib.0.26.2 0.26.2
RUN opam reinstall ocamlformat-lib.0.26.2; \
res=$?; \
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 "$pkg" != 'ocamlformat-lib.0.26.2' && partial_fails="$partial_fails $pkg"; \
done; \
test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
exit 1
END-OF-DOCKERFILE
docker build -f ../Dockerfile .
2026-03-23 09:19.17: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f-ocamlformat-lib.0.26.2-353fd9234f0397ed1edb6d612e5b9da8472dea1c"
2026-03-23 09:19.17: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f)
(shell /usr/bin/linux32 /bin/sh -c)
(user (uid 1000) (gid 1000))
(workdir /home/opam)
(run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
(run (network host)
(shell "opam init --reinit --config .opamrc-sandbox -ni"))
(run (shell "opam option solver=builtin-0install && opam config report"))
(env OPAMDOWNLOADJOBS 1)
(env OPAMERRLOGLEN 0)
(env OPAMPRECISETRACKING 1)
(env CI true)
(env OPAM_REPO_CI true)
(run (shell "rm -rf opam-repository/"))
(copy (src .) (dst opam-repository/))
(run (shell "opam repository set-url --strict default opam-repository/"))
(run (network host)
(shell "opam update --depexts || true"))
(run (shell "opam pin add -k version -yn ocamlformat-lib.0.26.2 0.26.2"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall ocamlformat-lib.0.26.2;\
\n res=$?;\
\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 \"$pkg\" != 'ocamlformat-lib.0.26.2' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
)
2026-03-23 09:19.17: Waiting for resource in pool OCluster
2026-03-23 09:19.20: Waiting for worker…
2026-03-23 09:20.06: Got resource from pool OCluster
Building on molpadia.caelum.ci.dev
All commits already cached
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Updating files: 100% (18511/18511), done.
HEAD is now at 63b7ba71be Merge pull request #29573 from davesnx/release-parseff-0.2.0
Merge made by the 'ort' strategy.
packages/ocamlformat-lib/ocamlformat-lib.0.25.1/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.26.0/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.26.1/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.26.2/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.27.0/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.28.1/opam | 1 +
packages/ocamlformat-lib/ocamlformat-lib.0.29.0/opam | 1 +
packages/ocamlformat/ocamlformat.0.24.1/opam | 1 +
8 files changed, 8 insertions(+)
(from ocaml/opam:debian-13-ocaml-5.4@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f' locally
docker.io/ocaml/opam@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f: Pulling from ocaml/opam
e7e4c87ce695: Already exists
098244b1fe4f: Already exists
94a818ec2cdc: Already exists
29e77b813c7f: Already exists
b9dc986333a7: Already exists
023a3b8ea315: Already exists
2684ea5ea2fe: Already exists
93c319c970b2: Already exists
03f63d243d48: Already exists
237874024f5b: Already exists
954f264158bf: Already exists
85f6eb6723bd: Already exists
2882e9da3bb0: Already exists
4aabbd87a4c4: Already exists
4f386ee1e947: Already exists
76eac5355b1e: Already exists
7732af2249d2: Already exists
0864fc6233a3: Already exists
74a602ddff51: Already exists
eff8656d1a08: Already exists
480ead97e7de: Already exists
71d9c83b5938: Already exists
4f4fb700ef54: Already exists
46ffbb314b18: Already exists
9ad678cce639: Already exists
cee0ad8655f3: Already exists
d7a6444c98ec: Already exists
fb7ac70d48b8: Already exists
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4fd15bd8b00c: Already exists
cfb25ffd51ce: Already exists
a1d4a67b1423: Already exists
b5f05950c5d7: Already exists
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4c3b6722757e: Already exists
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c3e40142c411: Already exists
7f8475cb6605: Already exists
05a50efaf303: Already exists
6b01dec062a8: Already exists
9fd1e9989233: Already exists
0dba846700e5: Pulling fs layer
bf52bc4812dd: Pulling fs layer
1b2b9281aa17: Pulling fs layer
bd50ec9d8592: Pulling fs layer
68e2e1973b70: Pulling fs layer
57cf45132733: Pulling fs layer
265accc134f8: Pulling fs layer
68e2e1973b70: Waiting
57cf45132733: Waiting
265accc134f8: Waiting
bd50ec9d8592: Waiting
bf52bc4812dd: Download complete
0dba846700e5: Download complete
1b2b9281aa17: Verifying Checksum
1b2b9281aa17: Download complete
0dba846700e5: Pull complete
bf52bc4812dd: Pull complete
1b2b9281aa17: Pull complete
68e2e1973b70: Verifying Checksum
68e2e1973b70: Download complete
265accc134f8: Download complete
bd50ec9d8592: Verifying Checksum
bd50ec9d8592: Download complete
bd50ec9d8592: Pull complete
68e2e1973b70: Pull complete
57cf45132733: Pull complete
265accc134f8: Pull complete
Digest: sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f
Status: Downloaded newer image for ocaml/opam@sha256:c95f25fc7bfaa76edc45bc23c42aceff342f8dc6089f36316509a8ee6536f83f
2026-03-23 09:20.34 ---> using "842f1388ec2987f766804552c28c55560fa02e4f2d5abda53e3e17755e9377f6" from cache
/: (shell /usr/bin/linux32 /bin/sh -c)
/: (user (uid 1000) (gid 1000))
/: (workdir /home/opam)
/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-23 09:20.34 ---> using "ce33c090cee681486d95d74a367be59729600fac719653754f2174b3c9771c51" 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
Format upgrade done.
<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-23 09:20.34 ---> using "6c76db98d2847d185390e90ace0943bdfb6d6adba962f8dcd26c60bc2625937d" 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=arm32 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-option-bytecode-only.1, ocaml-options-vanilla.1
# ocaml:native false
# ocaml:native-tools false
# ocaml:native-dynlink false
# 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+bytecode-only
2026-03-23 09:20.34 ---> using "9ed5cda145d4b3c88e63b67704995cdd356c06f9f9e273d5bada87220c40dd15" 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/"))
2026-03-23 09:20.34 ---> using "da8dd6faa512006558db46983f2d898758c4e5d6eeb28079d849c0dc2da4d351" from cache
/home/opam: (copy (src .) (dst opam-repository/))
2026-03-23 09:20.52 ---> saved as "d7e04e5a2822669837af8f19ee2f4bf2f137740b73948b91493ffffaa511b814"
/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-23 09:21.28 ---> saved as "951c92fbaa9d6975d3a19fd7879e2674971304ffc564ad259a3d6f8bfaa5085b"
/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 armhf Packages [9237 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main armhf Packages [109 kB]
- Fetched 9577 kB in 4s (2456 kB/s)
- Reading package lists...
-
2026-03-23 09:21.34 ---> saved as "d52b3b2b30c04f32f17d308b7461290aa9db13b912c88582c0241eee6c466cd0"
/home/opam: (run (shell "opam pin add -k version -yn ocamlformat-lib.0.26.2 0.26.2"))
ocamlformat-lib is now pinned to version 0.26.2
2026-03-23 09:21.34 ---> saved as "8c1cd03305fed7d3a595a9689c5cfdbaa801ffb343f73a4e686d4ba10a3b7bf1"
/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam reinstall ocamlformat-lib.0.26.2;\
\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 \"$pkg\" != 'ocamlformat-lib.0.26.2' && partial_fails=\"$partial_fails $pkg\";\
\n done;\
\n test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
\n exit 1"))
ocamlformat-lib.0.26.2 is not installed. Install it? [Y/n] y
* Incompatible packages:
- (invariant) -> ocaml-base-compiler = 5.4.0
- ocamlformat-lib = 0.26.2 -> ocaml < 5.3 -> ocaml-variants (< 4.00.1~ | >= 4.00.1)
You can temporarily relax the switch invariant with `--update-invariant'
* Missing dependency:
- ocamlformat-lib = 0.26.2 -> ocaml < 5.3 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
not available because the package is pinned to version 5.4.0
unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.1" & (os != "win32" | sys-ocaml-libc = "msvc")'
no matching version
* Missing dependency:
- ocamlformat-lib = 0.26.2 -> ocaml < 5.3 -> ocaml-variants >= 4.00.1 -> ocaml-beta
unmet availability conditions: 'enable-ocaml-beta-repository'
* Missing dependency:
- ocamlformat-lib = 0.26.2 -> ocaml < 5.3 -> ocaml-variants >= 4.00.1 -> system-msvc
unmet availability conditions: 'os = "win32"'
No solution found, exiting
"/usr/bin/linux32" "/bin/sh" "-c" "opam reinstall ocamlformat-lib.0.26.2;
res=$?;
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 "$pkg" != 'ocamlformat-lib.0.26.2' && partial_fails="$partial_fails $pkg";
done;
test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
exit 1" failed with exit status 20
2026-03-23 09:21.56: Job failed: Failed: Build failed
2026-03-23 09:21.56: Log analysis:
2026-03-23 09:21.56: >>>
No solution found, exiting
(score = 100)
2026-03-23 09:21.56: [SKIP] Package not available