diff --git a/Cargo.lock b/Cargo.lock
index 5923e37..47b4c7e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -253,9 +253,11 @@ name = "catena"
 version = "0.1.0"
 dependencies = [
  "bibclean",
+ "bibfetch",
  "booksniff",
  "chunkmd",
  "citefind",
+ "colophon",
  "corpus-core",
  "cuekit",
  "cuepack",
diff --git a/crates/bibfetch/src/ask.rs b/crates/bibfetch/src/ask.rs
index 1eb9756..c08de32 100644
--- a/crates/bibfetch/src/ask.rs
+++ b/crates/bibfetch/src/ask.rs
@@ -22,7 +22,11 @@ pub struct Ask {
 
 impl Default for Ask {
     fn default() -> Self {
-        Self { polite: None, timeout: crate::TIMEOUT, attempts: crate::ATTEMPTS }
+        Self {
+            polite: None,
+            timeout: crate::TIMEOUT,
+            attempts: crate::ATTEMPTS,
+        }
     }
 }
 
@@ -73,7 +77,9 @@ pub fn lookup(
     }
     match best {
         Some(record) => Ok(Some(record)),
-        None => Err(last_error.unwrap_or_else(|| Error::Unreachable("no register answered".into()))),
+        None => {
+            Err(last_error.unwrap_or_else(|| Error::Unreachable("no register answered".into())))
+        }
     }
 }
 
diff --git a/crates/bibfetch/src/main.rs b/crates/bibfetch/src/main.rs
index 32906a1..7053914 100644
--- a/crates/bibfetch/src/main.rs
+++ b/crates/bibfetch/src/main.rs
@@ -114,12 +114,6 @@ fn main() -> ExitCode {
     })
 }
 
-
-
-
-
-
-
 /// The identifier and its kind out of one record.
 fn read_identifier(line: &str) -> Result<(String, String), String> {
     let value: serde_json::Value =
diff --git a/crates/colophon/src/shelf.rs b/crates/colophon/src/shelf.rs
index 0a77fd0..8d40e9e 100644
--- a/crates/colophon/src/shelf.rs
+++ b/crates/colophon/src/shelf.rs
@@ -203,7 +203,10 @@ mod tests {
     fn real_cataloguing_headings_file() {
         let s = shelf();
         for (raw, want) in [
-            ("Political science – Early works to 1800", "Political Science"),
+            (
+                "Political science – Early works to 1800",
+                "Political Science",
+            ),
             ("Political science — Philosophy", "Political Science"),
             ("Byzantine Empire—History—527-1081", "Byzantine History"),
             ("Christianity and culture", "Theology"),
@@ -248,10 +251,7 @@ mod tests {
 
     #[test]
     fn a_heading_is_not_repeated() {
-        let filed = shelf().file(&[
-            "Philosophy—Ancient".into(),
-            "Philosophy—Modern".into(),
-        ]);
+        let filed = shelf().file(&["Philosophy—Ancient".into(), "Philosophy—Modern".into()]);
         assert_eq!(filed.on, ["Philosophy"]);
     }