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2026-02-12 10:13.15: New job: test mirage/irmin https://github.com/mirage/irmin.git#refs/pull/2381/head (b2dda279fa9d61776a23c92e79184df2ca14a14e) (linux-x86_64:(lint-fmt))
Base: ocaml/opam:debian-13-ocaml-4.08@sha256:016974eca0405838af73274ed51d1a69a31f37211486cd4f5dfedd706192cce7
ocamlformat version: version 0.27.0 (from opam)


To reproduce locally:


git clone --recursive "https://github.com/mirage/irmin.git" && cd "irmin" && git fetch origin "refs/pull/2381/head" && git reset --hard b2dda279
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:016974eca0405838af73274ed51d1a69a31f37211486cd4f5dfedd706192cce7
USER 1000:1000
RUN cd ~/opam-repository && (git cat-file -e 8381fdec20cf12f0c7a38782079db7131675d09e || git fetch origin master) && git reset -q --hard 8381fdec20cf12f0c7a38782079db7131675d09e && git log --no-decorate -n1 --oneline && opam update -u
RUN opam depext -i dune
WORKDIR /src
RUN opam depext -i ocamlformat=0.27.0
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


2026-02-12 10:13.15: Using cache hint "mirage/irmin-ocaml/opam:debian-13-ocaml-4.08@sha256:016974eca0405838af73274ed51d1a69a31f37211486cd4f5dfedd706192cce7-debian-13-4.08_opam-2.5-ocamlformat-8381fdec20cf12f0c7a38782079db7131675d09e"
2026-02-12 10:13.15: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:016974eca0405838af73274ed51d1a69a31f37211486cd4f5dfedd706192cce7)
(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 8381fdec20cf12f0c7a38782079db7131675d09e || git fetch origin master) && git reset -q --hard 8381fdec20cf12f0c7a38782079db7131675d09e && 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=0.27.0"))
(copy (src .) (dst /src/))
(run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
)


2026-02-12 10:13.15: Waiting for resource in pool OCluster
2026-02-12 10:23.58: Waiting for worker…
2026-02-12 10:25.43: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at b2dda279fa Fix diagram


(from ocaml/opam:debian-13-ocaml-4.08@sha256:016974eca0405838af73274ed51d1a69a31f37211486cd4f5dfedd706192cce7)
2026-02-12 10:25.43 ---> using "8e880d54b82285cc07797680056d2282ee7dd8d645150afdce9c0dfbe68786cc" 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 8381fdec20cf12f0c7a38782079db7131675d09e || git fetch origin master) && git reset -q --hard 8381fdec20cf12f0c7a38782079db7131675d09e && git log --no-decorate -n1 --oneline && opam update -u"))
8381fdec20 Merge pull request #29263 from fpottier/opam-publish-menhir.20260122


<><> 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
2026-02-12 10:25.43 ---> using "127704e879fb0cf0d571d30891e601cebdfe40b3aba3d39860fbcf2bf6984904" 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 3.21.0


<><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
[dune.3.21.0] found in cache


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed dune.3.21.0
Done.
# Run eval $(opam env) to update the current shell environment
2026-02-12 10:25.43 ---> using "98509e7351a5ec5cc321207ffd1bb84e917801f3101c0f5de9639571addcec3a" from cache


/: (workdir /src)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam depext -i ocamlformat=0.27.0"))
# 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 csexp             1.5.2    [required by ocamlformat]
- install dune-build-info   3.21.0   [required by ocamlformat-lib]
- install menhirLib         20260203 [required by ocamlformat-lib]
- install camlp-streams     5.0.1    [required by ocamlformat-lib]
- install seq               base     [required by re]
- install menhirSdk         20260203 [required by ocamlformat-lib]
- install fix               20250919 [required by ocamlformat-lib]
- install ocamlfind         1.9.8    [required by ocp-indent, astring, fpath, uuseg]
- install menhirGLR         20260203 [required by menhir]
- install ocaml-version     4.0.3    [required by ocamlformat-lib]
- install menhirCST         20260203 [required by menhir]
- install dune-configurator 3.21.0   [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            20260203 [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   0.27.0   [required by ocamlformat]
- install ocamlformat       0.27.0
===== 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.3.21.0] found in cache
[dune-configurator.3.21.0] found in cache
[either.1.0.0] found in cache
[fix.20250919] found in cache
[fpath.0.7.3] found in cache
[menhir.20260203] found in cache
[menhirCST.20260203] found in cache
[menhirGLR.20260203] found in cache
[menhirLib.20260203] found in cache
[menhirSdk.20260203] 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
[ocamlformat.0.27.0] found in cache
[ocamlformat-lib.0.27.0] found in cache
[ocp-indent.1.9.0] found in cache
[re.1.11.0] 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 csexp.1.5.2
-> installed cmdliner.1.3.0
-> installed either.1.0.0
-> installed fix.20250919
-> installed menhirCST.20260203
-> installed menhirGLR.20260203
-> installed menhirLib.20260203
-> installed menhirSdk.20260203
-> installed ocaml-version.4.0.3
-> installed re.1.11.0
-> installed sexplib0.v0.14.0
-> installed dune-build-info.3.21.0
-> installed dune-configurator.3.21.0
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed ocp-indent.1.9.0
-> installed base.v0.14.3
-> installed menhir.20260203
-> 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.0.27.0
-> installed ocamlformat.0.27.0
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/4.08/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
2026-02-12 10:25.43 ---> using "4146958afe1fea112348b932d13d20b1b7afbfa33807fbcfa57b61e7d2f16339" from cache


/src: (copy (src .) (dst /src/))
2026-02-12 10:25.44 ---> saved as "320b86963ebc72bf60810754811dfe50d00ddad22ddcf7450665599bb2d4aa47"


/src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)"))
Warning: Invalid documentation comment:
File "src/irmin-pack/layout.ml", line 97, characters 27-50:
'{v ... v}' (verbatim text) should begin on its own line.
Warning: Invalid documentation comment:
File "src/irmin-pack/layout.ml", line 97, characters 50-51:
Paragraph should begin on its own line.
Warning: Invalid documentation comment:
File "test/irmin-graphql/common.mli", line 88, character 16 to line 92, character 6:
'{[...]}' (code block) should begin on its own line.
Warning: Invalid documentation comment:
File "test/irmin-graphql/common.mli", line 98, character 16 to line 102, character 6:
'{[...]}' (code block) should begin on its own line.
Warning: Invalid documentation comment:
File "test/irmin-graphql/common.mli", line 104, character 24 to line 108, character 6:
'{[...]}' (code block) should begin on its own line.
Warning: Invalid documentation comment:
File "test/irmin-graphql/common.mli", line 114, character 16 to line 118, character 6:
'{[...]}' (code block) should begin on its own line.
File "demo/get_tau.ml", line 1, characters 0-0:
diff --git a/_build/default/demo/get_tau.ml b/_build/default/demo/.formatted/get_tau.ml
index 726c263..e868660 100644
--- a/_build/default/demo/get_tau.ml
+++ b/_build/default/demo/.formatted/get_tau.ml
@@ -1,12 +1,16 @@
-module Fs_store = Irmin_fs_unix.KV.Make(Irmin.Contents.Json_value)
+module Fs_store = Irmin_fs_unix.KV.Make (Irmin.Contents.Json_value)


let rec json_to_string = function
-| `Null -> "null"
-| `Bool b -> string_of_bool b
-| `String s -> s
-| `Float f -> string_of_float f
-| `O u -> "{" ^ String.concat "; " (List.map (fun (k, v) -> "\"" ^ k ^ "\": " ^ json_to_string v) u) ^ "}"
-| `A u -> "[" ^ String.concat "; " (List.map json_to_string u) ^ "]"
+  | `Null -> "null"
+  | `Bool b -> string_of_bool b
+  | `String s -> s
+  | `Float f -> string_of_float f
+  | `O u ->
+      "{"
+      ^ String.concat "; "
+          (List.map (fun (k, v) -> "\"" ^ k ^ "\": " ^ json_to_string v) u)
+      ^ "}"
+  | `A u -> "[" ^ String.concat "; " (List.map json_to_string u) ^ "]"


let get_tau env =
let path = Eio.Path.(env#fs / "math") in
@@ -14,10 +18,11 @@ let get_tau env =
let repo = Fs_store.Repo.v conf in
let main = Fs_store.main repo in
let tau = Fs_store.get main [ "tau" ] in
-  assert (tau = `O ["val", `Float 6.28; ]);
+  assert (tau = `O [ ("val", `Float 6.28) ]);
tau


-let _ = Eio_main.run @@ fun env ->
+let _ =
+  Eio_main.run @@ fun env ->
let tau = get_tau env in
let str = json_to_string tau in
-  Eio.Flow.copy_string str env#stdout;
+  Eio.Flow.copy_string str env#stdout
File "demo/set_pi.ml", line 1, characters 0-0:
diff --git a/_build/default/demo/set_pi.ml b/_build/default/demo/.formatted/set_pi.ml
index 8119c46..e56eb73 100644
--- a/_build/default/demo/set_pi.ml
+++ b/_build/default/demo/.formatted/set_pi.ml
@@ -1,4 +1,5 @@
-module Fs_store = Irmin_fs_unix.KV.Make(Irmin.Contents.Json_value)
+module Fs_store = Irmin_fs_unix.KV.Make (Irmin.Contents.Json_value)
+
let commit branch message path contents =
let info () = Fs_store.Info.v ~author:"jane doe" ~message 0L in
Fs_store.set ~info branch path contents
@@ -8,8 +9,8 @@ let set_pi env =
let conf = Irmin_fs_unix.conf ~path ~clock:env#clock in
let repo = Fs_store.Repo.v conf in
let main = Fs_store.main repo in
-  let pi = `O ["val", `Float 3.1416] in
-  let result = commit main "set pi" ["pi"] pi in
+  let pi = `O [ ("val", `Float 3.1416) ] in
+  let result = commit main "set pi" [ "pi" ] pi in
assert (Result.is_ok result)


let _ = Eio_main.run set_pi
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
2026-02-12 10:25.46: Job failed: Failed: Build failed