Update to the rustfmt in rust 1.29, which is now stable.

lib/wasm/src/environ/spec.rs

@@ -35,7 +35,11 @@ pub enum WasmError {
     ///
     /// This error code is used by a WebAssembly translator when it encounters invalid WebAssembly
     /// code. This should never happen for validated WebAssembly code.
-    #[fail(display = "Invalid input WebAssembly code at offset {}: {}", _1, _0)]
+    #[fail(
+        display = "Invalid input WebAssembly code at offset {}: {}",
+        _1,
+        _0
+    )]
     InvalidWebAssembly {
         /// A string describing the validation error.
         message: &'static str,

lib/wasm/src/lib.rs

@@ -12,13 +12,25 @@
 #![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
 #![warn(unused_import_braces)]
 #![cfg_attr(feature = "std", deny(unstable_features))]
-#![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
-#![cfg_attr(feature = "cargo-clippy", allow(new_without_default, new_without_default_derive))]
+#![cfg_attr(
+    feature = "clippy",
+    plugin(clippy(conf_file = "../../clippy.toml"))
+)]
+#![cfg_attr(
+    feature = "cargo-clippy",
+    allow(new_without_default, new_without_default_derive)
+)]
 #![cfg_attr(
     feature = "cargo-clippy",
     warn(
-        float_arithmetic, mut_mut, nonminimal_bool, option_map_unwrap_or, option_map_unwrap_or_else,
-        print_stdout, unicode_not_nfc, use_self
+        float_arithmetic,
+        mut_mut,
+        nonminimal_bool,
+        option_map_unwrap_or,
+        option_map_unwrap_or_else,
+        print_stdout,
+        unicode_not_nfc,
+        use_self
     )
 )]
 #![cfg_attr(not(feature = "std"), no_std)]

lib/wasm/tests/wasm_testsuite.rs

@@ -30,8 +30,7 @@ fn testsuite() {
                 }
             }
             false
-        })
-        .collect();
+        }).collect();
     paths.sort_by_key(|dir| dir.path());
     let flags = Flags::new(settings::builder());
     for path in paths {