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2026-03-28 07:32.05: New job: test mirage/mirage-skeleton https://github.com/mirage/mirage-skeleton.git#refs/pull/420/head (01b3663b17dd8a979b9d53c150d6207f38621f47) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:alpine-3.22-ocaml-4.14@sha256:1c3a5ef9216cc43d14bea2bc9b42f4b1ee30cd78bf2e6993672b4c0c52909216
ocamlformat version: version 0.29.0 (from opam)


To reproduce locally:


git clone --recursive "https://github.com/mirage/mirage-skeleton.git" && cd "mirage-skeleton" && git fetch origin "refs/pull/420/head" && git reset --hard 01b3663b
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:alpine-3.22-ocaml-4.14@sha256:1c3a5ef9216cc43d14bea2bc9b42f4b1ee30cd78bf2e6993672b4c0c52909216
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 || git fetch origin master) && git reset -q --hard 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.29.0
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


2026-03-28 07:32.05: Using cache hint "mirage/mirage-skeleton-ocaml/opam:alpine-3.22-ocaml-4.14@sha256:1c3a5ef9216cc43d14bea2bc9b42f4b1ee30cd78bf2e6993672b4c0c52909216-alpine-3.22-4.14_opam-2.5-ocamlformat-3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1"
2026-03-28 07:32.05: Using OBuilder spec:
((from ocaml/opam:alpine-3.22-ocaml-4.14@sha256:1c3a5ef9216cc43d14bea2bc9b42f4b1ee30cd78bf2e6993672b4c0c52909216)
(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 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 || git fetch origin master) && git reset -q --hard 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 && 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=0.29.0"))
(copy (src .) (dst /src/))
(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)


2026-03-28 07:32.05: Waiting for resource in pool OCluster
2026-03-28 08:01.40: Waiting for worker…
2026-03-28 08:04.22: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
Initialised empty Git repository in /var/cache/obuilder/ocluster/git/mirage-skeleton.git-f56d4287cf5ef510eaeeaae959af62f33ba238c7/.git/
HEAD is now at 01b3663 Bump ocamlformat version


(from ocaml/opam:alpine-3.22-ocaml-4.14@sha256:1c3a5ef9216cc43d14bea2bc9b42f4b1ee30cd78bf2e6993672b4c0c52909216)
2026-03-28 08:04.23 ---> using "d1cef22083ba59d6db4e2f107091c68dd70ebdcc64c3894ad7db7be62ad17f4a" 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 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 || git fetch origin master) && git reset -q --hard 3f91b1a4e14ca8dfac77aab17a7ed4a7857644e1 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
a6b2f19780..65664dc5b2  master     -> origin/master
3f91b1a4e1 Merge pull request #29568 from Julow/ocamlformat-constraints-dune322


<><> 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)


The following actions will be performed:
- recompile ocaml-base-compiler 4.14.2* [upstream changes]
- recompile ocaml-config        2       [uses ocaml-base-compiler]
- recompile ocaml               4.14.2  [uses ocaml-base-compiler]
- recompile opam-depext         1.2.3   [uses ocaml]
===== 4 to recompile =====


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ocaml-base-compiler.4.14.2] found in cache
[opam-depext.1.2.3] found in cache
[ocaml-config.2/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> removed   opam-depext.1.2.3
-> removed   ocaml.4.14.2
-> removed   ocaml-config.2
-> removed   ocaml-base-compiler.4.14.2
-> installed ocaml-base-compiler.4.14.2
-> installed ocaml-config.2
-> installed ocaml.4.14.2
-> installed opam-depext.1.2.3
Done.
# Run eval $(opam env) to update the current shell environment
2026-03-28 08:07.30 ---> saved as "ba7946b2d2d319fd41c1c49e167f7efeedc31181b5f9b5e3662629ba13e73c81"


/: (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=alpine, os-family=alpine
# No extra OS packages requirements found.
# Now letting opam install the packages
The following actions will be performed:
- install dune 3.22.0


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.22.0] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.22.0
Done.
# Run eval $(opam env) to update the current shell environment
2026-03-28 08:08.40 ---> saved as "dce99b3544dbf16c62b7e0d4cc5680a7fe4d3881b5491dab1902152de0f290fb"


/: (workdir /src)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.29.0"))
# Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=alpine, os-family=alpine
# No extra OS packages requirements found.
# Now letting opam install the packages
The following actions will be performed:
- 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 cmdliner          2.1.0    [required by ocamlformat]
- install ocaml-version     4.0.4    [required by ocamlformat-lib]
- install csexp             1.5.2    [required by ocamlformat]
- install menhirSdk         20260209 [required by ocamlformat-lib]
- install menhirGLR         20260209 [required by menhir]
- install camlp-streams     5.0.1    [required by ocamlformat-lib]
- install fix               20250919 [required by ocamlformat-lib]
- install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
- install sexplib0          v0.16.0  [required by base]
- install re                1.14.0   [required by ocamlformat]
- install menhirCST         20260209 [required by menhir]
- install dune-build-info   3.22.0   [required by ocamlformat-lib]
- install dune-configurator 3.22.0   [required by base]
- 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              v0.16.4  [required by ocamlformat-lib]
- install uutf              1.0.4    [required by ocamlformat-lib]
- install uucp              17.0.0   [required by uuseg]
- install astring           0.8.5    [required by ocamlformat-lib]
- install stdio             v0.16.0  [required by ocamlformat-lib]
- install uuseg             17.0.0   [required by ocamlformat-lib]
- install fpath             0.7.3    [required by ocamlformat-lib]
- install ocamlformat-lib   0.29.0   [required by ocamlformat]
- install ocamlformat       0.29.0
===== 28 to install =====


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[astring.0.8.5] found in cache
[base.v0.16.4] found in cache
[camlp-streams.5.0.1] found in cache
[cmdliner.2.1.0] found in cache
[csexp.1.5.2] found in cache
[dune-build-info.3.22.0] found in cache
[dune-configurator.3.22.0] 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.4.0.4] found in cache
[ocamlbuild.0.16.1] found in cache
[ocamlfind.1.9.8] found in cache
[ocamlformat.0.29.0] found in cache
[ocamlformat-lib.0.29.0] found in cache
[ocp-indent.1.9.0] found in cache
[re.1.14.0] found in cache
[sexplib0.v0.16.0] found in cache
[stdio.v0.16.0] found in cache
[topkg.1.1.1] found in cache
[uucp.17.0.0] found in cache
[uuseg.17.0.0] found in cache
[uutf.1.0.4] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed camlp-streams.5.0.1
-> installed csexp.1.5.2
-> installed dune-build-info.3.22.0
-> installed either.1.0.0
-> installed fix.20250919
-> installed menhirCST.20260209
-> installed menhirGLR.20260209
-> installed menhirLib.20260209
-> installed menhirSdk.20260209
-> installed cmdliner.2.1.0
-> installed dune-configurator.3.22.0
-> installed ocaml-version.4.0.4
-> installed re.1.14.0
-> installed sexplib0.v0.16.0
-> installed ocamlfind.1.9.8
-> installed ocp-indent.1.9.0
-> installed ocamlbuild.0.16.1
-> installed base.v0.16.4
-> installed menhir.20260209
-> installed topkg.1.1.1
-> installed stdio.v0.16.0
-> installed uutf.1.0.4
-> installed astring.0.8.5
-> installed fpath.0.7.3
-> installed uucp.17.0.0
-> installed uuseg.17.0.0
-> installed ocamlformat-lib.0.29.0
-> installed ocamlformat.0.29.0
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/4.14/share/emacs/site-lisp")
(require 'ocp-indent)


* for Vim, add this line to ~/.vimrc:
set rtp^="/home/opam/.opam/4.14/share/ocp-indent/vim"
# Run eval $(opam env) to update the current shell environment
2026-03-28 08:10.43 ---> saved as "3110bc031aadfe5a1d90e059a8c44c8df92425ca7ee58017551ae94597c3ba6e"


/src: (copy (src .) (dst /src/))
2026-03-28 08:10.43 ---> saved as "69618ca6fc335d0c1ff6fc4f8b2ab5039d78008224042355b9a78ae081ac0315"


/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
File "applications/static_website_tls/dispatch.ml", line 1, characters 0-0:
diff --git a/_build/default/applications/static_website_tls/dispatch.ml b/_build/default/applications/static_website_tls/.formatted/dispatch.ml
index e94e1af..8f4d327 100644
--- a/_build/default/applications/static_website_tls/dispatch.ml
+++ b/_build/default/applications/static_website_tls/.formatted/dispatch.ml
@@ -55,7 +55,7 @@ module Dispatch (FS : Mirage_kv.RO) (S : HTTP) = struct
let callback (_, cid) request _body =
let uri = Cohttp.Request.uri request in
let cid =
-        begin [@alert "-deprecated"]
+        begin[@alert "-deprecated"]
Cohttp.Connection.to_string cid
end
in
@@ -64,7 +64,7 @@ module Dispatch (FS : Mirage_kv.RO) (S : HTTP) = struct
in
let conn_closed (_, cid) =
let cid =
-        begin [@alert "-deprecated"]
+        begin[@alert "-deprecated"]
Cohttp.Connection.to_string cid
end
in
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
2026-03-28 08:10.45: Job failed: Failed: Build failed