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2026-04-25 18:38.17: New job: test ocurrent/ocaml-ci https://github.com/ocurrent/ocaml-ci.git#refs/heads/live-engine (8cc66eab204e79eee6b6497feb7ac8f837c06530) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
ocamlformat version: version 0.25.1 (from opam)


To reproduce locally:


git clone --recursive "https://github.com/ocurrent/ocaml-ci.git" -b "live-engine" && cd "ocaml-ci" && git reset --hard 8cc66eab
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 || git fetch origin master) && git reset -q --hard 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.25.1
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


2026-04-25 18:38.17: Using cache hint "ocurrent/ocaml-ci-ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c-debian-13-4.08_opam-2.5-ocamlformat-9a427a5cdc1d87c781d8e9febed953e2fd5640c2"
2026-04-25 18:38.17: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c)
(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 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 || git fetch origin master) && git reset -q --hard 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 && 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=0.25.1"))
(copy (src .) (dst /src/))
(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)


2026-04-25 18:38.17: Waiting for resource in pool OCluster
2026-04-25 18:58.36: Waiting for worker…
2026-04-25 19:00.42: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
Submodule path 'ocaml-dockerfile': checked out '57ed58f00ac0f458ca75db31d87f3bef9b5577f7'
Submodule path 'ocaml-version': checked out '3bb1c5d559d7a0f22954919f0ada769850bdeb0a'
Submodule path 'ocluster': checked out 'ba26623c6bca8b917c4252fa9739313fb14692ea'
Submodule path 'ocurrent': checked out '6754be6622f22e1fc19bfdbad43c16cd90a6f036'
Submodule path 'solver-service': checked out 'f14bc6fdb22c1cef45bb3d3589bd778f4d6c8196'
HEAD is now at 8cc66ea fix up the paths
Synchronizing submodule url for 'ocaml-dockerfile'
Synchronizing submodule url for 'ocaml-version'
Synchronizing submodule url for 'ocluster'
Synchronizing submodule url for 'ocurrent'
Synchronizing submodule url for 'solver-service'
Cleared directory 'ocaml-dockerfile'
Submodule 'ocaml-dockerfile' (https://github.com/ocurrent/ocaml-dockerfile.git) unregistered for path 'ocaml-dockerfile'
Cleared directory 'ocaml-version'
Submodule 'ocaml-version' (https://github.com/ocurrent/ocaml-version.git) unregistered for path 'ocaml-version'
Cleared directory 'ocluster'
Submodule 'ocluster' (https://github.com/ocurrent/ocluster.git) unregistered for path 'ocluster'
Cleared directory 'ocurrent'
Submodule 'ocurrent' (https://github.com/ocurrent/ocurrent.git) unregistered for path 'ocurrent'
Cleared directory 'solver-service'
Submodule 'solver-service' (https://github.com/ocurrent/solver-service.git) unregistered for path 'solver-service'
Submodule 'ocaml-dockerfile' (https://github.com/ocurrent/ocaml-dockerfile.git) registered for path 'ocaml-dockerfile'
Submodule 'ocaml-version' (https://github.com/ocurrent/ocaml-version.git) registered for path 'ocaml-version'
Submodule 'ocluster' (https://github.com/ocurrent/ocluster.git) registered for path 'ocluster'
Submodule 'ocurrent' (https://github.com/ocurrent/ocurrent.git) registered for path 'ocurrent'
Submodule 'solver-service' (https://github.com/ocurrent/solver-service.git) registered for path 'solver-service'
Submodule path 'ocaml-dockerfile': checked out '57ed58f00ac0f458ca75db31d87f3bef9b5577f7'
Submodule path 'ocaml-version': checked out '3bb1c5d559d7a0f22954919f0ada769850bdeb0a'
Submodule path 'ocluster': checked out 'ba26623c6bca8b917c4252fa9739313fb14692ea'
Submodule path 'ocluster/obuilder': checked out 'bc6eca86e5624b32ca58fb0b5e43e7e15f188f58'
Submodule path 'ocurrent': checked out '6754be6622f22e1fc19bfdbad43c16cd90a6f036'
Submodule path 'solver-service': checked out 'f14bc6fdb22c1cef45bb3d3589bd778f4d6c8196'


(from ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c)
2026-04-25 19:00.43 ---> using "228e5ba11f0bea08c69266bb98d12a75785691261b07b0808652a307a04e14b2" 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 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 || git fetch origin master) && git reset -q --hard 9a427a5cdc1d87c781d8e9febed953e2fd5640c2 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
42844088d7..f83868273d  master     -> origin/master
9a427a5cdc Merge pull request #29742 from nmatschke/opam-publish-base.v0.14.4


<><> 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
2026-04-25 19:00.43 ---> using "55207f8077d4ca8ea777cfe81c5bb0b4cfe243a94bc9f38e3494087a2b0a025d" 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 3.22.2


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.22.2] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.22.2
Done.
# Run eval $(opam env) to update the current shell environment
2026-04-25 19:00.43 ---> using "205191a7b54ce074267c88bea92111408bb60945a5ee017f331e2ec05331c341" from cache


/: (workdir /src)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.25.1"))
# 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-build-info   3.22.2   [required by ocamlformat-lib]
- install sexplib0          v0.14.0  [required by base]
- install cmdliner          1.3.0    [required by ocamlformat]
- install ocamlbuild        0.16.1   [required by fpath, astring, uuseg]
- install either            1.0.0    [required by ocamlformat-lib]
- install menhirLib         20260209 [required by ocamlformat-lib]
- install ocaml-version     4.1.0    [required by ocamlformat-lib]
- install csexp             1.5.2    [required by ocamlformat-lib]
- install menhirSdk         20260209 [required by ocamlformat-lib]
- install menhirGLR         20260209 [required by menhir]
- 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 fix               20250919 [required by ocamlformat-lib]
- install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
- install menhirCST         20260209 [required by menhir]
- install dune-configurator 3.22.2   [required by base]
- install re                1.11.0   [required by ocamlformat]
- install topkg             1.1.1    [required by fpath, astring, uuseg]
- install ocp-indent        1.9.0    [required by ocamlformat-lib]
- install menhir            20260209 [required by ocamlformat-lib]
- install base              v0.14.4  [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   0.25.1   [required by ocamlformat]
- install ocamlformat       0.25.1
===== 30 to install =====


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[astring.0.8.5] found in cache
[base.v0.14.4] 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.3.22.2] found in cache
[dune-configurator.3.22.2] found in cache
[either.1.0.0] found in cache
[fix.20250919] found in cache
[fpath.0.7.3] found in cache
[menhir.20260209] found in cache
[menhirCST.20260209] found in cache
[menhirGLR.20260209] found in cache
[menhirLib.20260209] found in cache
[menhirSdk.20260209] found in cache
[ocaml-version.4.1.0] found in cache
[ocamlbuild.0.16.1] found in cache
[ocamlfind.1.9.8] found in cache
[ocamlformat.0.25.1] found in cache
[ocamlformat-lib.0.25.1] found in cache
[ocp-indent.1.9.0] found in cache
[re.1.11.0] found in cache
[result.1.5] found in cache
[sexplib0.v0.14.0] found in cache
[stdio.v0.14.0] found in cache
[topkg.1.1.1] found in cache
[uucp.15.0.0] found in cache
[uuseg.15.0.0] found in cache
[uutf.1.0.4] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed seq.base
-> installed camlp-streams.5.0.1
-> installed cmdliner.1.3.0
-> installed csexp.1.5.2
-> installed dune-build-info.3.22.2
-> installed either.1.0.0
-> installed fix.20250919
-> installed menhirCST.20260209
-> installed menhirGLR.20260209
-> installed menhirLib.20260209
-> installed menhirSdk.20260209
-> installed ocaml-version.4.1.0
-> installed result.1.5
-> installed sexplib0.v0.14.0
-> installed re.1.11.0
-> installed dune-configurator.3.22.2
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed ocp-indent.1.9.0
-> installed menhir.20260209
-> installed base.v0.14.4
-> installed topkg.1.1.1
-> installed stdio.v0.14.0
-> installed uutf.1.0.4
-> installed astring.0.8.5
-> installed fpath.0.7.3
-> installed uucp.15.0.0
-> installed uuseg.15.0.0
-> installed ocamlformat-lib.0.25.1
-> installed ocamlformat.0.25.1
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
2026-04-25 19:00.43 ---> using "e5a35f21085f6875ab26ce1e68a506aa5ebc9b09bfe599ed343132507ca33c08" from cache


/src: (copy (src .) (dst /src/))
2026-04-25 19:00.44 ---> saved as "7eeeb403517409e76ffd3634e9e8a388eeb654d1f56ced41da66bee38ab42634"


/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
File "lib/opam_build.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/opam_build.ml b/_build/default/lib/.formatted/opam_build.ml
index 5183c19..628f59e 100644
--- a/_build/default/lib/opam_build.ml
+++ b/_build/default/lib/.formatted/opam_build.ml
@@ -88,7 +88,7 @@ let create_dune_project_files ?dune_work_dir groups =
(Filename.quote
(Fpath.to_string (Fpath.( // ) dir (Fpath.v "dune-project")))))
|> String.concat " && \n"
-      |> run "%s"
+      |> run "%s";
]


(* Get the packages directly in "." *)
@@ -263,8 +263,7 @@ let spec ~base ~opam_version ~opam_files ~selection =
in
let run_build =
match Variant.os selection.Selection.variant with
-    | `windows
-    | `openBSD ->
+    | `windows | `openBSD ->
run
"cd /home/opam/src && opam exec -- dune build%s @install @check \
@runtest && rm -rf _build"
File "lib/opam_version.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/opam_version.ml b/_build/default/lib/.formatted/opam_version.ml
index 56852ab..935cd21 100644
--- a/_build/default/lib/opam_version.ml
+++ b/_build/default/lib/.formatted/opam_version.ml
@@ -1,4 +1,5 @@
-type t = [ `V2_0 | `V2_1 | `V2_2 | `V2_3 | `V2_4 | `V2_5 ] [@@deriving ord, yojson, eq]
+type t = [ `V2_0 | `V2_1 | `V2_2 | `V2_3 | `V2_4 | `V2_5 ]
+[@@deriving ord, yojson, eq]


let to_string = function
| `V2_0 -> "2.0"
File "lib/opam_version.mli", line 1, characters 0-0:
diff --git a/_build/default/lib/opam_version.mli b/_build/default/lib/.formatted/opam_version.mli
index a159d98..5f2abae 100644
--- a/_build/default/lib/opam_version.mli
+++ b/_build/default/lib/.formatted/opam_version.mli
@@ -1,6 +1,7 @@
(** Opam versions supported. *)


-type t = [ `V2_0 | `V2_1 | `V2_2 | `V2_3 | `V2_4 | `V2_5 ] [@@deriving ord, yojson, eq]
+type t = [ `V2_0 | `V2_1 | `V2_2 | `V2_3 | `V2_4 | `V2_5 ]
+[@@deriving ord, yojson, eq]


val pp : t Fmt.t
val to_string : t -> string
File "lib/query.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/query.ml b/_build/default/lib/.formatted/query.ml
index a22d015..3db014a 100644
--- a/_build/default/lib/query.ml
+++ b/_build/default/lib/.formatted/query.ml
@@ -41,16 +41,18 @@ let prepare_image ~variant =
| `macOS -> [ run "ln -f ~/local/bin/%s ~/local/bin/opam" opam ]
| `openBSD -> [ run "doas ln -f /usr/bin/%s /usr/bin/opam" opam ]
| `linux -> [ run "sudo ln -f /usr/bin/%s /usr/bin/opam" opam ]
-    | `windows -> [
-    run "ln -f /usr/local/bin/%s.exe /usr/local/bin/opam.exe" opam
-            (*
+    | `windows ->
+        [
+          run "ln -f /usr/local/bin/%s.exe /usr/local/bin/opam.exe" opam
+          (*
run "del C:\\cygwin64\\usr\\local\\bin\\opam.exe";
run "mklink C:\\cygwin64\\usr\\local\\bin\\opam.exe C:\\cygwin64\\usr\\local\\bin\\%s.exe" opam;
-            *)
-    ]
-    | `freeBSD -> [ run "sudo ln -f /usr/local/bin/%s /usr/local/bin/opam" opam ]
+            *);
+        ]
+    | `freeBSD ->
+        [ run "sudo ln -f /usr/local/bin/%s /usr/local/bin/opam" opam ]
in
-  ln @ [ run "opam init --reinit%s -ni" opamrc; ]
+  ln @ [ run "opam init --reinit%s -ni" opamrc ]


let opam_template arch =
let arch = Option.value ~default:"%{arch}%" arch in
File "lib/query_local.ml", line 1, characters 0-0:
diff --git a/_build/default/lib/query_local.ml b/_build/default/lib/.formatted/query_local.ml
index fc1574f..02471b6 100644
--- a/_build/default/lib/query_local.ml
+++ b/_build/default/lib/.formatted/query_local.ml
@@ -47,15 +47,18 @@ let prepare_image ~job ~docker_context ~tag variant image =
| `macOS -> run "ln -f ~/local/bin/%s ~/local/bin/opam" opam
| `openBSD -> run "doas ln -f /usr/bin/%s /usr/bin/opam" opam
| `linux -> run "sudo ln -f /usr/bin/%s /usr/bin/opam" opam
-      | `windows -> run "copy C:\\cygwin64\\usr\\local\\bin\\%s.exe C:\\cygwin64\\usr\\local\\bin\\opam.exe" opam
+      | `windows ->
+          run
+            "copy C:\\cygwin64\\usr\\local\\bin\\%s.exe \
+             C:\\cygwin64\\usr\\local\\bin\\opam.exe"
+            opam
| `freeBSD -> run "sudo ln -f /usr/local/bin/%s /usr/local/bin/opam" opam
in
stage ~from:image
-      ((run "dir C:\\cygwin64\\usr\\local\\bin") ::
-  (run "del C:\\cygwin64\\usr\\local\\bin\\opam.exe") ::
-              ln :: [
-        run "opam init --reinit%s -ni" opamrc;
-      ])
+      (run "dir C:\\cygwin64\\usr\\local\\bin"
+      :: run "del C:\\cygwin64\\usr\\local\\bin\\opam.exe"
+      :: ln
+      :: [ run "opam init --reinit%s -ni" opamrc ])
|> Docker.dockerfile_of_spec ~buildkit:true ~os:`Unix
in
let cmd =
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
2026-04-25 19:00.45: Job failed: Failed: Build failed