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2025-10-15 18:39.09: New job: test ocaml-multicore/effects-examples https://github.com/ocaml-multicore/effects-examples.git#refs/heads/master (8a7e80dd29e68e2d05fe4b0399c8535a51f36395) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f
ocamlformat version: version 0.26.2 (from opam)


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/effects-examples.git" -b "master" && cd "effects-examples" && git reset --hard 8a7e80dd
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e 991c7a1514e7da747afe448ae9a046af3bc2497e || git fetch origin master) && git reset -q --hard 991c7a1514e7da747afe448ae9a046af3bc2497e && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.26.2
COPY --chown=1000:1000 . /src/
RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)


END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK


2025-10-15 18:39.09: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f-debian-13-4.08_opam-2.4-ocamlformat-991c7a1514e7da747afe448ae9a046af3bc2497e"
2025-10-15 18:39.09: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f)
(user (uid 1000) (gid 1000))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 991c7a1514e7da747afe448ae9a046af3bc2497e || git fetch origin master) && git reset -q --hard 991c7a1514e7da747afe448ae9a046af3bc2497e && git log --no-decorate -n1 --oneline && opam update -u"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i dune"))
(workdir /src)
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.26.2"))
(copy (src .) (dst /src/))
(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)


2025-10-15 18:39.09: Waiting for resource in pool OCluster
2025-10-15 18:53.19: Waiting for worker…
2025-10-15 18:54.32: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3


(from ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.08@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f' locally
docker.io/ocaml/opam@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f: Pulling from ocaml/opam
cae3b572364a: Already exists
820d433882fc: Already exists
8f6112f72fa5: Already exists
f06108004adb: Already exists
f34ea90e6bf7: Already exists
b44a65709156: Already exists
4c25908bbac9: Already exists
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9089a7f69af3: Already exists
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abbf3ec39b68: Already exists
1a61521655a9: Already exists
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c059a4cbd7b9: Already exists
3a00fdc9e291: Already exists
a0b62589bd38: Already exists
6e8d713bf843: Already exists
bca1fd5341ba: Already exists
34b9849c2772: Already exists
4f4fb700ef54: Already exists
d8d3d0744e38: Already exists
788c7ce0e0e5: Already exists
a297eab0ca3b: Already exists
2e79af39acdb: Already exists
8858e600236c: Already exists
9efe23d1fe7d: Already exists
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64a949a6caff: Already exists
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d1f759c16950: Already exists
f3dd45bf195f: Already exists
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aae849592418: Already exists
6173459dc6b2: Already exists
7f16ef63bee0: Already exists
fe355de6a899: Already exists
b0bc5a15bc9d: Already exists
0ba06c753f01: Pulling fs layer
f7e4070f86bb: Pulling fs layer
a16d954bd2d3: Pulling fs layer
6583f21da642: Pulling fs layer
a16d954bd2d3: Waiting
f7e4070f86bb: Verifying Checksum
f7e4070f86bb: Download complete
a16d954bd2d3: Verifying Checksum
a16d954bd2d3: Download complete
6583f21da642: Download complete
0ba06c753f01: Verifying Checksum
0ba06c753f01: Download complete
0ba06c753f01: Pull complete
f7e4070f86bb: Pull complete
a16d954bd2d3: Pull complete
6583f21da642: Pull complete
Digest: sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f
Status: Downloaded newer image for ocaml/opam@sha256:d8500c15c97ddcfabe40e74b26beae4dbdf65385f70ca81d97f44f1a6556480f
2025-10-15 18:54.32 ---> using "8a3fb29dc134ae8cb5011e033937cdf0919031452506a2a7eeab7ea43cc7fe2e" from cache


/: (user (uid 1000) (gid 1000))


/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 991c7a1514e7da747afe448ae9a046af3bc2497e || git fetch origin master) && git reset -q --hard 991c7a1514e7da747afe448ae9a046af3bc2497e && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
1abfcdbf14..12d0447fd1  master     -> origin/master
991c7a1514 Merge pull request #28718 from ocaml/mseri-patch-1


<><> Updating package 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)


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2025-10-15 18:54.32 ---> using "e0ade02c7a7608496c2dd7e4db7c432aa59692920b1c0fe6fe23519ec94cf073" from cache


/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i dune"))
# 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.
# Now letting opam install the packages
The following actions will be performed:
- install dune 3.20.2


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.20.2] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.20.2
Done.
# Run eval $(opam env) to update the current shell environment
2025-10-15 18:54.32 ---> using "29353f3269911c4c605e0409f3d68ca8c852f09da914ca9b4df2cf539d3d6983" from cache


/: (workdir /src)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.26.2"))
# 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.
# Now letting opam install the packages
The following actions will be performed:
- install sexplib0          v0.14.0  [required by base]
- install ocamlbuild        0.16.1   [required by fpath, astring, uuseg]
- install cmdliner          1.3.0    [required by ocamlformat]
- install either            1.0.0    [required by ocamlformat-lib]
- install menhirLib         20250912 [required by ocamlformat-lib]
- install csexp             1.5.2    [required by ocamlformat-lib]
- install result            1.5      [required by ocamlformat-lib]
- install camlp-streams     5.0.1    [required by ocamlformat-lib]
- install seq               base     [required by re]
- install menhirSdk         20250912 [required by ocamlformat-lib]
- install fix               20250919 [required by ocamlformat-lib]
- install menhirCST         20250912 [required by menhir]
- install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
- install dune-build-info   3.20.2   [required by ocamlformat-lib]
- install ocaml-version     4.0.3    [required by ocamlformat-lib]
- install dune-configurator 3.20.2   [required by base]
- install re                1.11.0   [required by ocamlformat]
- install menhir            20250912 [required by ocamlformat-lib]
- install topkg             1.1.0    [required by fpath, astring, uuseg]
- install ocp-indent        1.9.0    [required by ocamlformat-lib]
- install base              v0.14.3  [required by ocamlformat-lib]
- install uutf              1.0.4    [required by ocamlformat-lib]
- install astring           0.8.5    [required by ocamlformat-lib]
- install stdio             v0.14.0  [required by ocamlformat-lib]
- install uucp              15.0.0   [required by uuseg]
- install fpath             0.7.3    [required by ocamlformat-lib]
- install uuseg             15.0.0   [required by ocamlformat-lib]
- install ocamlformat-lib   0.26.2   [required by ocamlformat]
- install ocamlformat       0.26.2
===== 29 to install =====


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[astring.0.8.5] found in cache
[base.v0.14.3] found in cache
[camlp-streams.5.0.1] found in cache
[cmdliner.1.3.0] found in cache
[csexp.1.5.2] found in cache
[dune-build-info.3.20.2] found in cache
[dune-configurator.3.20.2] found in cache
[either.1.0.0] found in cache
[fix.20250919] found in cache
[fpath.0.7.3] found in cache
[menhir.20250912] found in cache
[menhirCST.20250912] found in cache
[menhirLib.20250912] found in cache
[menhirSdk.20250912] found in cache
[ocaml-version.4.0.3] found in cache
[ocamlbuild.0.16.1] found in cache
[ocamlfind.1.9.8] found in cache
[ocp-indent.1.9.0] found in cache
[re.1.11.0] found in cache
[result.1.5] found in cache
[ocamlformat.0.26.2] downloaded from cache at https://opam.ocaml.org/cache
[sexplib0.v0.14.0] found in cache
[stdio.v0.14.0] found in cache
[topkg.1.1.0] found in cache
[uucp.15.0.0] found in cache
[uuseg.15.0.0] found in cache
[uutf.1.0.4] found in cache
[ocamlformat-lib.0.26.2] downloaded from cache at https://opam.ocaml.org/cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed seq.base
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed cmdliner.1.3.0
-> installed either.1.0.0
-> installed fix.20250919
-> installed menhirCST.20250912
-> installed menhirLib.20250912
-> installed menhirSdk.20250912
-> installed ocaml-version.4.0.3
-> installed re.1.11.0
-> installed result.1.5
-> installed sexplib0.v0.14.0
-> installed dune-build-info.3.20.2
-> installed dune-configurator.3.20.2
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed ocp-indent.1.9.0
-> installed base.v0.14.3
-> installed topkg.1.1.0
-> installed stdio.v0.14.0
-> installed uutf.1.0.4
-> installed astring.0.8.5
-> installed menhir.20250912
-> installed fpath.0.7.3
-> installed uucp.15.0.0
-> installed uuseg.15.0.0
-> installed ocamlformat-lib.0.26.2
-> installed ocamlformat.0.26.2
Done.


<><> ocp-indent.1.9.0 installed successfully ><><><><><><><><><><><><><><><><><>
=> This package requires additional configuration for use in editors. Install package 'user-setup', or manually:


* for Emacs, add these lines to ~/.emacs:
(add-to-list 'load-path "/home/opam/.opam/4.08/share/emacs/site-lisp")
(require 'ocp-indent)


* for Vim, add this line to ~/.vimrc:
set rtp^="/home/opam/.opam/4.08/share/ocp-indent/vim"
# Run eval $(opam env) to update the current shell environment
2025-10-15 18:54.32 ---> using "b8ec0e425fbd75fb6706ffb83016df9bd8306bf25992101339721a1738b449a4" from cache


/src: (copy (src .) (dst /src/))
2025-10-15 18:54.33 ---> saved as "1d8b8dc611019cf08e8dd95b4a95004157f1ebc19a5a6e3faca4af1d9613a0b0"


/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
ocamlformat: ignoring "algorithmic_differentiation.ml" (syntax error)
File "algorithmic_differentiation.ml", line 26, characters 15-16:
26 |       | effect (Add(a,b)), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/algorithmic_differentiation.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "dyn_wind.ml" (syntax error)
File "dyn_wind.ml", line 12, characters 13-14:
12 |     | effect e, k ->
^
Error: Syntax error
-> required by _build/default/.formatted/dyn_wind.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "dynamic_state.ml" (syntax error)
File "dynamic_state.ml", line 37, characters 15-16:
37 |       | effect (S.New i), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/dynamic_state.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "eratosthenes.ml" (syntax error)
File "eratosthenes.ml", line 80, characters 11-12:
80 |   | effect (Send (pid, msg)), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/eratosthenes.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "loop.ml" (syntax error)
File "loop.ml", line 11, characters 11-14:
11 |   | effect Foo, k ->
^^^
Error: Syntax error
-> required by _build/default/.formatted/loop.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "fringe.ml" (syntax error)
File "fringe.ml", line 45, characters 13-18:
45 |     | effect Yield e, k -> Yielded (e, k)
^^^^^
Error: Syntax error
-> required by _build/default/.formatted/fringe.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "generator.ml" (syntax error)
File "generator.ml", line 63, characters 18-19:
63 |       with effect (Next v), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/generator.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "pipes.ml" (syntax error)
File "pipes.ml", line 22, characters 11-12:
22 |   | effect (Yield s), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/pipes.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "promises.ml" (syntax error)
File "promises.ml", line 112, characters 17-18:
112 |         | effect (Wait sr), k -> wait sr k; dequeue run_q
^
Error: Syntax error
-> required by _build/default/.formatted/promises.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "ref.ml" (syntax error)
File "ref.ml", line 78, characters 12-13:
78 |      effect (Ref init), k ->
^
Error: Syntax error
-> required by _build/default/.formatted/ref.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "reify_reflect.ml" (syntax error)
File "reify_reflect.ml", line 23, characters 13-14:
23 |     | effect (E m), k -> M.bind m (continue k)
^
Error: Syntax error
-> required by _build/default/.formatted/reify_reflect.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "sched.ml" (syntax error)
File "sched.ml", line 21, characters 13-18:
21 |     | effect Yield, k ->
^^^^^
Error: Syntax error
-> required by _build/default/.formatted/sched.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "state.ml" (syntax error)
File "state.ml", line 150, characters 13-16:
150 |     | effect Get, k -> continue k (!var : t)
^^^
Error: Syntax error
-> required by _build/default/.formatted/state.ml
-> required by alias .formatted/fmt
-> required by alias fmt
ocamlformat: ignoring "transaction.ml" (syntax error)
File "transaction.ml", line 26, characters 15-16:
26 |       | effect (Update (r,v)), k -> (fun rb ->
^
Error: Syntax error
-> required by _build/default/.formatted/transaction.ml
-> required by alias .formatted/fmt
-> required by alias fmt
dune build @fmt failed
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)" failed with exit status 2
2025-10-15 18:54.34: Job failed: Failed: Build failed