diff --git a/crates/tools/src/lib.rs b/crates/tools/src/lib.rs
index 7c5410d3c786..44d3363e169d 100644
--- a/crates/tools/src/lib.rs
+++ b/crates/tools/src/lib.rs
@@ -1,14 +1,12 @@
-extern crate itertools;
 extern crate failure;
+extern crate itertools;
 extern crate teraron;
 
-use std::{
-    path::{Path, PathBuf},
-};
+use std::path::{Path, PathBuf};
 
 use itertools::Itertools;
 
-pub use teraron::{Mode, Verify, Overwrite};
+pub use teraron::{Mode, Overwrite, Verify};
 
 pub type Result<T> = ::std::result::Result<T, failure::Error>;
 
@@ -60,16 +58,8 @@ pub fn generate(mode: Mode) -> Result<()> {
     let grammar = project_root().join(GRAMMAR);
     let syntax_kinds = project_root().join(SYNTAX_KINDS);
     let ast = project_root().join(AST);
-    teraron::generate(
-        &syntax_kinds,
-        &grammar,
-        mode,
-    )?;
-    teraron::generate(
-        &ast,
-        &grammar,
-        mode,
-    )?;
+    teraron::generate(&syntax_kinds, &grammar, mode)?;
+    teraron::generate(&ast, &grammar, mode)?;
     Ok(())
 }
 
diff --git a/crates/tools/src/main.rs b/crates/tools/src/main.rs
index fdb443690bd9..449c391fb41a 100644
--- a/crates/tools/src/main.rs
+++ b/crates/tools/src/main.rs
@@ -1,9 +1,9 @@
 extern crate clap;
 #[macro_use]
 extern crate failure;
+extern crate teraron;
 extern crate tools;
 extern crate walkdir;
-extern crate teraron;
 
 use clap::{App, Arg, SubCommand};
 use std::{
@@ -12,9 +12,7 @@ use std::{
     path::{Path, PathBuf},
     process::Command,
 };
-use tools::{
-    collect_tests, Result, Test, generate, Mode, Overwrite, Verify,
-};
+use tools::{collect_tests, generate, Mode, Overwrite, Result, Test, Verify};
 
 const GRAMMAR_DIR: &str = "./crates/ra_syntax/src/grammar";
 const INLINE_TESTS_DIR: &str = "./crates/ra_syntax/tests/data/parser/inline";
diff --git a/crates/tools/tests/cli.rs b/crates/tools/tests/cli.rs
index 5de52fc2b8df..ecffc1c56f1e 100644
--- a/crates/tools/tests/cli.rs
+++ b/crates/tools/tests/cli.rs
@@ -1,8 +1,6 @@
 extern crate tools;
 
-use tools::{
-    generate, Verify
-};
+use tools::{generate, Verify};
 
 #[test]
 fn verify_template_generation() {