diff --git a/.gitignore b/.gitignore
index 78e294ce..9ecf5c78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -67,6 +67,8 @@ bindings/python/unicorn.egg-info/
 bindings/python/unicorn/lib/
 bindings/python/unicorn/include/
 bindings/python/MANIFEST
+bindings/rust/target/
+bindings/rust/Cargo.lock
 config.log
 
 
diff --git a/bindings/rust/Cargo.toml b/bindings/rust/Cargo.toml
index 6edc7875..d609fd03 100644
--- a/bindings/rust/Cargo.toml
+++ b/bindings/rust/Cargo.toml
@@ -19,9 +19,8 @@ build = "build.rs"
 links = "unicorn"
 
 [dependencies]
-bitflags = "1.0"
+bitflags = "1.3"
 libc = "0.2"
-capstone="0.6.0"
 
 [build-dependencies]
 build-helper = "0.1"
diff --git a/bindings/rust/src/arm64.rs b/bindings/rust/src/arm64.rs
index 8b7c1254..523de02a 100644
--- a/bindings/rust/src/arm64.rs
+++ b/bindings/rust/src/arm64.rs
@@ -305,7 +305,6 @@ pub enum RegisterARM64 {
     VBAR_EL2 = 288,
     VBAR_EL3 = 289,
     ENDING = 290,
-
     // alias registers
     // (assoc) IP0 = 215,
     // (assoc) IP1 = 216,
diff --git a/bindings/rust/src/lib.rs b/bindings/rust/src/lib.rs
index cc7f5641..8fb5ed3c 100644
--- a/bindings/rust/src/lib.rs
+++ b/bindings/rust/src/lib.rs
@@ -138,7 +138,6 @@ impl std::fmt::Debug for UnicornInner {
 }
 
 impl<'a> UnicornHandle<'a> {
-
     /// Return the architecture of the current emulator.
     pub fn get_arch(&self) -> Arch {
         self.inner.arch
diff --git a/bindings/rust/src/mips.rs b/bindings/rust/src/mips.rs
index a1b590c6..84cec434 100644
--- a/bindings/rust/src/mips.rs
+++ b/bindings/rust/src/mips.rs
@@ -156,7 +156,6 @@ pub enum RegisterMIPS {
     CP0_CONFIG3 = 137,
     CP0_USERLOCAL = 138,
     ENDING = 139,
-
     // alias registers
     // (assoc) ZERO = 2,
     // (assoc) AT = 3,
diff --git a/bindings/rust/tests/unicorn.rs b/bindings/rust/tests/unicorn.rs
index 203d3251..90021835 100644
--- a/bindings/rust/tests/unicorn.rs
+++ b/bindings/rust/tests/unicorn.rs
@@ -618,8 +618,8 @@ fn x86_context_save_and_restore() {
         let x86_code: Vec<u8> = vec![
             0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x05,
         ];
-        let mut unicorn = unicorn::Unicorn::new(Arch::X86, mode)
-            .expect("failed to initialize unicorn instance");
+        let mut unicorn =
+            unicorn::Unicorn::new(Arch::X86, mode).expect("failed to initialize unicorn instance");
         let mut emu = unicorn.borrow();
         assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
         assert_eq!(emu.mem_write(0x1000, &x86_code), Ok(()));
@@ -635,8 +635,8 @@ fn x86_context_save_and_restore() {
         let context = context.unwrap();
 
         /* and create a new emulator, into which we will "restore" that context */
-        let mut unicorn2 = unicorn::Unicorn::new(Arch::X86, mode)
-            .expect("failed to initialize unicorn instance");
+        let mut unicorn2 =
+            unicorn::Unicorn::new(Arch::X86, mode).expect("failed to initialize unicorn instance");
         let emu2 = unicorn2.borrow();
         assert_eq!(emu2.context_restore(&context), Ok(()));
         for register in X86_REGISTERS.iter() {