CI failure on Windows with mingw-w64: `doc_repl.mld`

[MisterDA]

File "test/passing/refs.ahrefs/doc_repl.mld.err", line 1, characters 0-0:
"C:\Program Files\Git\bin\git.exe" --no-pager diff --no-index --color=always -u --ignore-cr-at-eol _build/default/test/passing/refs.ahrefs/doc_repl.mld.err _build/default/test/passing/refs.ahrefs/doc_repl.mld.stderr
diff --git a/_build/default/test/passing/refs.ahrefs/doc_repl.mld.err b/_build/default/test/passing/refs.ahrefs/doc_repl.mld.stderr
index e69de29..9393310 100644
--- a/_build/default/test/passing/refs.ahrefs/doc_repl.mld.err
+++ b/_build/default/test/passing/refs.ahrefs/doc_repl.mld.stderr
@@ -0,0 +1,3 @@
+Warning: Invalid documentation comment:
+File "doc_repl.mld", line 9, character 8 to line 11, character 0:
+invalid code block: Ocamlformat_parser_extended.Lexer.Error(_, _)
File "test/passing/refs.default/doc_repl.mld.err", line 1, characters 0-0:
"C:\Program Files\Git\bin\git.exe" --no-pager diff --no-index --color=always -u --ignore-cr-at-eol _build/default/test/passing/refs.default/doc_repl.mld.err _build/default/test/passing/refs.default/doc_repl.mld.stderr
diff --git a/_build/default/test/passing/refs.default/doc_repl.mld.err b/_build/default/test/passing/refs.default/doc_repl.mld.stderr
index e69de29..9393310 100644
--- a/_build/default/test/passing/refs.default/doc_repl.mld.err
+++ b/_build/default/test/passing/refs.default/doc_repl.mld.stderr
@@ -0,0 +1,3 @@
+Warning: Invalid documentation comment:
+File "doc_repl.mld", line 9, character 8 to line 11, character 0:
+invalid code block: Ocamlformat_parser_extended.Lexer.Error(_, _)
File "test/passing/refs.default/repl.mli.err", line 1, characters 0-0:
"C:\Program Files\Git\bin\git.exe" --no-pager diff --no-index --color=always -u --ignore-cr-at-eol _build/default/test/passing/refs.default/repl.mli.err _build/default/test/passing/refs.default/repl.mli.stderr
diff --git a/_build/default/test/passing/refs.default/repl.mli.err b/_build/default/test/passing/refs.default/repl.mli.stderr
index edd6038..19e5e78 100644
--- a/_build/default/test/passing/refs.default/repl.mli.err
+++ b/_build/default/test/passing/refs.default/repl.mli.stderr
@@ -1,4 +1,7 @@
 Warning: Invalid documentation comment:
+File "repl.mli", line 8, character 12 to line 10, character 4:
+invalid code block: Ocamlformat_parser_extended.Lexer.Error(_, _)
+Warning: Invalid documentation comment:
 File "repl.mli", line 23, character 12 to line 26, character 4:
 invalid code block: not expecting: unexpected character 'v'.
 Hint: did you forget a space after the '#' at the start of the line?
File "test/passing/refs.janestreet/doc_repl.mld.err", line 1, characters 0-0:
"C:\Program Files\Git\bin\git.exe" --no-pager diff --no-index --color=always -u --ignore-cr-at-eol _build/default/test/passing/refs.janestreet/doc_repl.mld.err _build/default/test/passing/refs.janestreet/doc_repl.mld.stderr
diff --git a/_build/default/test/passing/refs.janestreet/doc_repl.mld.err b/_build/default/test/passing/refs.janestreet/doc_repl.mld.stderr
index e69de29..9393310 100644
--- a/_build/default/test/passing/refs.janestreet/doc_repl.mld.err
+++ b/_build/default/test/passing/refs.janestreet/doc_repl.mld.stderr
@@ -0,0 +1,3 @@
+Warning: Invalid documentation comment:
+File "doc_repl.mld", line 9, character 8 to line 11, character 0:
+invalid code block: Ocamlformat_parser_extended.Lexer.Error(_, _)
File "test/passing/refs.ocamlformat/doc_repl.mld.err", line 1, characters 0-0:
"C:\Program Files\Git\bin\git.exe" --no-pager diff --no-index --color=always -u --ignore-cr-at-eol _build/default/test/passing/refs.ocamlformat/doc_repl.mld.err _build/default/test/passing/refs.ocamlformat/doc_repl.mld.stderr
diff --git a/_build/default/test/passing/refs.ocamlformat/doc_repl.mld.err b/_build/default/test/passing/refs.ocamlformat/doc_repl.mld.stderr
index e69de29..9393310 100644
--- a/_build/default/test/passing/refs.ocamlformat/doc_repl.mld.err
+++ b/_build/default/test/passing/refs.ocamlformat/doc_repl.mld.stderr
@@ -0,0 +1,3 @@
+Warning: Invalid documentation comment:
+File "doc_repl.mld", line 9, character 8 to line 11, character 0:
+invalid code block: Ocamlformat_parser_extended.Lexer.Error(_, _)

https://github.com/ocaml-ppx/ocamlformat/actions/runs/25160035941/job/73751761139

I have the same set of packages as the CI run installed, and I cannot reproduce.