Update to the rustfmt in rust 1.27, which is now stable. (#377)

lib/wasm/src/environ/dummy.rs

@@ -9,8 +9,9 @@ use func_translator::FuncTranslator;
 use std::string::String;
 use std::vec::Vec;
 use target_lexicon::Triple;
-use translation_utils::{FunctionIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex,
-                        Table, TableIndex};
+use translation_utils::{
+    FunctionIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex, Table, TableIndex,
+};
 use wasmparser;
 
 /// Compute a `ir::ExternalName` for a given wasm function index.

lib/wasm/src/environ/spec.rs

@@ -5,8 +5,9 @@ use cretonne_codegen::ir::{self, InstBuilder};
 use cretonne_codegen::settings::Flags;
 use std::vec::Vec;
 use target_lexicon::Triple;
-use translation_utils::{FunctionIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex,
-                        Table, TableIndex};
+use translation_utils::{
+    FunctionIndex, Global, GlobalIndex, Memory, MemoryIndex, SignatureIndex, Table, TableIndex,
+};
 use wasmparser::BinaryReaderError;
 
 /// The value of a WebAssembly global value.

lib/wasm/src/lib.rs

@@ -42,12 +42,15 @@ mod sections_translator;
 mod state;
 mod translation_utils;
 
-pub use environ::{DummyEnvironment, FuncEnvironment, GlobalValue, ModuleEnvironment, WasmError,
-                  WasmResult};
+pub use environ::{
+    DummyEnvironment, FuncEnvironment, GlobalValue, ModuleEnvironment, WasmError, WasmResult,
+};
 pub use func_translator::FuncTranslator;
 pub use module_translator::translate_module;
-pub use translation_utils::{FunctionIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex,
-                            SignatureIndex, Table, TableIndex};
+pub use translation_utils::{
+    FunctionIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex, SignatureIndex, Table,
+    TableIndex,
+};
 
 #[cfg(not(feature = "std"))]
 mod std {

lib/wasm/src/module_translator.rs

@@ -2,10 +2,11 @@
 //! to deal with each part of it.
 use cretonne_codegen::timing;
 use environ::{ModuleEnvironment, WasmError, WasmResult};
-use sections_translator::{parse_data_section, parse_elements_section, parse_export_section,
-                          parse_function_section, parse_function_signatures, parse_global_section,
-                          parse_import_section, parse_memory_section, parse_start_section,
-                          parse_table_section};
+use sections_translator::{
+    parse_data_section, parse_elements_section, parse_export_section, parse_function_section,
+    parse_function_signatures, parse_global_section, parse_import_section, parse_memory_section,
+    parse_start_section, parse_table_section,
+};
 use wasmparser::{Parser, ParserInput, ParserState, SectionCode, WasmDecoder};
 
 /// Translate a sequence of bytes forming a valid Wasm binary into a list of valid Cretonne IR

lib/wasm/src/sections_translator.rs

@@ -11,11 +11,15 @@ use cretonne_codegen::ir::{self, AbiParam, Signature};
 use environ::{ModuleEnvironment, WasmError, WasmResult};
 use std::str::from_utf8;
 use std::vec::Vec;
-use translation_utils::{type_to_type, FunctionIndex, Global, GlobalIndex, GlobalInit, Memory,
-                        MemoryIndex, SignatureIndex, Table, TableElementType, TableIndex};
+use translation_utils::{
+    type_to_type, FunctionIndex, Global, GlobalIndex, GlobalInit, Memory, MemoryIndex,
+    SignatureIndex, Table, TableElementType, TableIndex,
+};
 use wasmparser;
-use wasmparser::{ExternalKind, FuncType, ImportSectionEntryType, MemoryType, Operator, Parser,
-                 ParserState, WasmDecoder};
+use wasmparser::{
+    ExternalKind, FuncType, ImportSectionEntryType, MemoryType, Operator, Parser, ParserState,
+    WasmDecoder,
+};
 
 /// Reads the Type Section of the wasm module and returns the corresponding function signatures.
 pub fn parse_function_signatures(