diff --git a/lib/emscripten/build/mod.rs b/lib/emscripten/build/mod.rs
index 06d11ae6b..54b8714a1 100644
--- a/lib/emscripten/build/mod.rs
+++ b/lib/emscripten/build/mod.rs
@@ -8,4 +8,4 @@ fn main() {
     if env::var(EMTESTS_ENV_VAR).unwrap_or("0".to_string()) == "1" {
         emtests::build();
     }
-}
\ No newline at end of file
+}
diff --git a/lib/emscripten/src/exception.rs b/lib/emscripten/src/exception.rs
index 4244c3005..a7b0e9e63 100644
--- a/lib/emscripten/src/exception.rs
+++ b/lib/emscripten/src/exception.rs
@@ -1,5 +1,5 @@
-use super::process::_abort;
 use super::env;
+use super::process::_abort;
 use wasmer_runtime::Instance;
 
 /// emscripten: ___cxa_allocate_exception
diff --git a/lib/emscripten/src/jmp.rs b/lib/emscripten/src/jmp.rs
index c5e77132c..d32e6ce74 100644
--- a/lib/emscripten/src/jmp.rs
+++ b/lib/emscripten/src/jmp.rs
@@ -1,40 +1,40 @@
-use wasmer_runtime::Instance;
 use libc::{c_int, c_void};
 use std::cell::UnsafeCell;
+use wasmer_runtime::Instance;
 
 /// setjmp
 pub extern "C" fn __setjmp(env_addr: u32, instance: &mut Instance) -> c_int {
     debug!("emscripten::__setjmp (setjmp)");
     unimplemented!()
-//    unsafe {
-//        // Rather than using the env as the holder of the jump buffer pointer,
-//        // we use the environment address to store the index relative to jumps
-//        // so the address of the jump it's outside the wasm memory itself.
-//        let jump_index = instance.memory_offset_addr(0, env_addr as usize) as *mut i8;
-//        // We create the jump buffer outside of the wasm memory
-//        let jump_buf: UnsafeCell<[c_int; 27]> = UnsafeCell::new([0; 27]);
-//        let mut jumps = &mut instance.emscripten_data().as_mut().unwrap().jumps;
-//        let result = setjmp(jump_buf.get() as _);
-//        // We set the jump index to be the last value of jumps
-//        *jump_index = jumps.len() as _;
-//        // We hold the reference of the jump buffer
-//        jumps.push(jump_buf);
-//        result
-//    }
+    //    unsafe {
+    //        // Rather than using the env as the holder of the jump buffer pointer,
+    //        // we use the environment address to store the index relative to jumps
+    //        // so the address of the jump it's outside the wasm memory itself.
+    //        let jump_index = instance.memory_offset_addr(0, env_addr as usize) as *mut i8;
+    //        // We create the jump buffer outside of the wasm memory
+    //        let jump_buf: UnsafeCell<[c_int; 27]> = UnsafeCell::new([0; 27]);
+    //        let mut jumps = &mut instance.emscripten_data().as_mut().unwrap().jumps;
+    //        let result = setjmp(jump_buf.get() as _);
+    //        // We set the jump index to be the last value of jumps
+    //        *jump_index = jumps.len() as _;
+    //        // We hold the reference of the jump buffer
+    //        jumps.push(jump_buf);
+    //        result
+    //    }
 }
 
 /// longjmp
 pub extern "C" fn __longjmp(env_addr: u32, val: c_int, instance: &mut Instance) -> ! {
     debug!("emscripten::__longjmp (longjmp) {}", val);
     unimplemented!()
-//    unsafe {
-//        // We retrieve the jump index from the env address
-//        let jump_index = instance.memory_offset_addr(0, env_addr as usize) as *mut i8;
-//        let mut jumps = &mut instance.emscripten_data().as_mut().unwrap().jumps;
-//        // We get the real jump buffer from the jumps vector, using the retrieved index
-//        let mut jump_buf = &jumps[*jump_index as usize];
-//        longjmp(jump_buf.get() as _, val)
-//    };
+    //    unsafe {
+    //        // We retrieve the jump index from the env address
+    //        let jump_index = instance.memory_offset_addr(0, env_addr as usize) as *mut i8;
+    //        let mut jumps = &mut instance.emscripten_data().as_mut().unwrap().jumps;
+    //        // We get the real jump buffer from the jumps vector, using the retrieved index
+    //        let mut jump_buf = &jumps[*jump_index as usize];
+    //        longjmp(jump_buf.get() as _, val)
+    //    };
 }
 
 extern "C" {
diff --git a/lib/emscripten/src/lock.rs b/lib/emscripten/src/lock.rs
index 5b2473c05..384eefb82 100644
--- a/lib/emscripten/src/lock.rs
+++ b/lib/emscripten/src/lock.rs
@@ -1,5 +1,5 @@
-use wasmer_runtime::Instance;
 use libc::c_int;
+use wasmer_runtime::Instance;
 
 // NOTE: Not implemented by Emscripten
 pub extern "C" fn ___lock(which: c_int, varargs: c_int, _instance: &mut Instance) {
diff --git a/lib/emscripten/src/memory.rs b/lib/emscripten/src/memory.rs
index f1af076d7..fea9967cd 100644
--- a/lib/emscripten/src/memory.rs
+++ b/lib/emscripten/src/memory.rs
@@ -1,6 +1,6 @@
 use super::process::abort_with_message;
-use wasmer_runtime::Instance;
 use libc::{c_int, c_void, memcpy, size_t};
+use wasmer_runtime::Instance;
 
 /// emscripten: _emscripten_memcpy_big
 pub extern "C" fn _emscripten_memcpy_big(
diff --git a/lib/emscripten/src/process.rs b/lib/emscripten/src/process.rs
index 8fdabdbb8..10a7b73b8 100644
--- a/lib/emscripten/src/process.rs
+++ b/lib/emscripten/src/process.rs
@@ -1,7 +1,7 @@
 use libc::{abort, c_char, c_int, exit, pid_t, EAGAIN};
 
-use wasmer_runtime::Instance;
 use std::ffi::CStr;
+use wasmer_runtime::Instance;
 
 pub extern "C" fn abort_with_message(message: &str) {
     debug!("emscripten::abort_with_message");
diff --git a/lib/emscripten/src/syscalls.rs b/lib/emscripten/src/syscalls.rs
index 2010169d8..4ea39e00d 100644
--- a/lib/emscripten/src/syscalls.rs
+++ b/lib/emscripten/src/syscalls.rs
@@ -1,6 +1,5 @@
 use super::utils::copy_stat_into_wasm;
 use super::varargs::VarArgs;
-use wasmer_runtime::Instance;
 use byteorder::{ByteOrder, LittleEndian};
 /// NOTE: TODO: These syscalls only support wasm_32 for now because they assume offsets are u32
 /// Syscall list: https://www.cs.utexas.edu/~bismith/test/syscalls/syscalls32.html
@@ -71,6 +70,7 @@ use libc::{
     SO_REUSEADDR,
     TIOCGWINSZ,
 };
+use wasmer_runtime::Instance;
 
 use super::env;
 use std::mem;
diff --git a/lib/emscripten/src/utils.rs b/lib/emscripten/src/utils.rs
index 6255d046e..44957970a 100644
--- a/lib/emscripten/src/utils.rs
+++ b/lib/emscripten/src/utils.rs
@@ -1,4 +1,4 @@
-use wasmer_runtime::{Instance, module::Module};
+use wasmer_runtime::{module::Module, Instance};
 //use wasmer_runtime::Instance;
 use super::env;
 use libc::stat;
@@ -9,12 +9,12 @@ use std::slice;
 use std::sync::Arc;
 /// We check if a provided module is an Emscripten generated one
 pub fn is_emscripten_module(module: &Arc<Module>) -> bool {
-     for (_, import_name) in &module.0.imported_functions {
-         if import_name.name == "_emscripten_memcpy_big" && import_name.namespace == "env" {
-             return true;
-         }
-     }
-     false
+    for (_, import_name) in &module.0.imported_functions {
+        if import_name.name == "_emscripten_memcpy_big" && import_name.namespace == "env" {
+            return true;
+        }
+    }
+    false
 }
 
 pub unsafe fn write_to_buf(string: *const c_char, buf: u32, max: u32, instance: &Instance) -> u32 {
@@ -51,14 +51,14 @@ pub unsafe fn allocate_on_stack<'a, T: Copy>(
     instance: &'a Instance,
 ) -> (u32, &'a mut [T]) {
     unimplemented!("allocate_on_stack not implemented")
-//    let offset = (instance.emscripten_data().as_ref().unwrap().stack_alloc)(
-//        count * (size_of::<T>() as u32),
-//        instance,
-//    );
-//    let addr = instance.memory_offset_addr(0, offset as _) as *mut T;
-//    let slice = slice::from_raw_parts_mut(addr, count as usize);
-//
-//    (offset, slice)
+    //    let offset = (instance.emscripten_data().as_ref().unwrap().stack_alloc)(
+    //        count * (size_of::<T>() as u32),
+    //        instance,
+    //    );
+    //    let addr = instance.memory_offset_addr(0, offset as _) as *mut T;
+    //    let slice = slice::from_raw_parts_mut(addr, count as usize);
+    //
+    //    (offset, slice)
 }
 
 pub unsafe fn allocate_cstr_on_stack<'a>(s: &str, instance: &'a Instance) -> (u32, &'a [u8]) {
@@ -142,19 +142,17 @@ pub unsafe fn copy_stat_into_wasm(instance: &mut Instance, buf: u32, stat: &stat
 #[cfg(test)]
 mod tests {
     use super::is_emscripten_module;
-    use wasmer_clif_backend::CraneliftCompiler;
-    use wasmer_runtime::{
-        compile,
-        module::Module,
-    };
-    use wabt::wat2wasm;
     use std::sync::Arc;
+    use wabt::wat2wasm;
+    use wasmer_clif_backend::CraneliftCompiler;
+    use wasmer_runtime::{compile, module::Module};
 
     #[test]
     fn should_detect_emscripten_files() {
         const wast_bytes: &[u8] = include_bytes!("tests/is_emscripten_true.wast");
         let wasm_binary = wat2wasm(wast_bytes.to_vec()).expect("Can't convert to wasm");
-        let module = compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
+        let module =
+            compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
         let module = Arc::new(module);
         assert!(is_emscripten_module(&module));
     }
@@ -163,7 +161,8 @@ mod tests {
     fn should_detect_non_emscripten_files() {
         const wast_bytes: &[u8] = include_bytes!("tests/is_emscripten_false.wast");
         let wasm_binary = wat2wasm(wast_bytes.to_vec()).expect("Can't convert to wasm");
-        let module = compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
+        let module =
+            compile(&wasm_binary[..], &CraneliftCompiler::new()).expect("WASM can't be compiled");
         let module = Arc::new(module);
         assert!(!is_emscripten_module(&module));
     }
diff --git a/lib/emscripten/src/varargs.rs b/lib/emscripten/src/varargs.rs
index 3caef65a7..ce0bc9e96 100644
--- a/lib/emscripten/src/varargs.rs
+++ b/lib/emscripten/src/varargs.rs
@@ -1,5 +1,5 @@
-use wasmer_runtime::Instance;
 use std::mem;
+use wasmer_runtime::Instance;
 
 #[repr(transparent)]
 pub struct VarArgs {
diff --git a/src/bin/wasmer.rs b/src/bin/wasmer.rs
index 9f1e5dbb7..906555114 100644
--- a/src/bin/wasmer.rs
+++ b/src/bin/wasmer.rs
@@ -6,14 +6,14 @@ use std::io;
 use std::io::Read;
 use std::path::PathBuf;
 use std::process::exit;
-use std::sync::Arc;
 use std::rc::Rc;
+use std::sync::Arc;
 
 use structopt::StructOpt;
 
 use wasmer::*;
-use wasmer_runtime;
 use wasmer_emscripten;
+use wasmer_runtime;
 
 #[derive(Debug, StructOpt)]
 #[structopt(name = "wasmer", about = "WASM execution runtime.")]
@@ -99,7 +99,8 @@ fn execute_wasm(options: &Run) -> Result<(), String> {
 
     debug!("webassembly - creating instance");
 
-    let mut instance = module.instantiate(import_object)
+    let mut instance = module
+        .instantiate(import_object)
         .map_err(|err| format!("Can't instantiate the WebAssembly module: {}", err))?;
 
     webassembly::start_instance(
diff --git a/src/webassembly/mod.rs b/src/webassembly/mod.rs
index cbf5205bd..e17b439de 100644
--- a/src/webassembly/mod.rs
+++ b/src/webassembly/mod.rs
@@ -6,9 +6,9 @@ pub mod utils;
 use wasmer_clif_backend::CraneliftCompiler;
 use wasmer_runtime::{
     backend::Compiler,
-    module::{Module, ModuleInner},
     import::Imports,
     instance::Instance,
+    module::{Module, ModuleInner},
 };
 
 use cranelift_codegen::{
@@ -16,9 +16,9 @@ use cranelift_codegen::{
     settings::{self, Configurable},
 };
 use std::panic;
+use std::rc::Rc;
 use std::str::FromStr;
 use std::sync::Arc;
-use std::rc::Rc;
 use target_lexicon;
 use wasmparser;
 use wasmparser::WasmDecoder;