diff --git a/src/binaries.rs b/src/binaries.rs
index e160186..ba7a1ec 100644
--- a/src/binaries.rs
+++ b/src/binaries.rs
@@ -175,7 +175,8 @@ where
                 .map(|s| s.to_string_lossy())
                 .collect::<Vec<_>>()
                 .join(", "),
-        )).into())
+        ))
+        .into())
     }
 }
 
@@ -226,7 +227,8 @@ where
                 .map(|s| s.to_string_lossy())
                 .collect::<Vec<_>>()
                 .join(", "),
-        )).into())
+        ))
+        .into())
     }
 }
 
diff --git a/src/bindgen.rs b/src/bindgen.rs
index e6e9f54..68e9b60 100644
--- a/src/bindgen.rs
+++ b/src/bindgen.rs
@@ -55,7 +55,10 @@ pub fn install_wasm_bindgen(
 }
 
 /// Download a tarball containing a pre-built `wasm-bindgen` binary.
-pub fn download_prebuilt_wasm_bindgen(root_path: &Path, version: &str) -> Result<(), failure::Error> {
+pub fn download_prebuilt_wasm_bindgen(
+    root_path: &Path,
+    version: &str,
+) -> Result<(), failure::Error> {
     let target = if target::LINUX && target::x86_64 {
         "x86_64-unknown-linux-musl"
     } else if target::MACOS && target::x86_64 {
@@ -65,7 +68,8 @@ pub fn download_prebuilt_wasm_bindgen(root_path: &Path, version: &str) -> Result
     } else {
         return Err(Error::unsupported(
             "there are no pre-built `wasm-bindgen` binaries for this target",
-        ).into());
+        )
+        .into());
     };
 
     let url = format!(