diff --git a/Cargo.toml b/Cargo.toml
index feaba20..a81dadd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,9 +9,9 @@ name = "insta-cmd"
 readme = "README.md"
 repository = "https://github.com/mitsuhiko/insta-cmd"
 rust-version = "1.57.0"
-version = "0.3.0"
+version = "0.4.0"
 
 [dependencies]
-insta = {version = "1.29.0", features = ["serde"]}
-serde = {version = "1.0.139", features = ["derive"]}
+insta = { version = "1.29.0", features = ["serde"] }
+serde = { version = "1.0.139", features = ["derive"] }
 serde_json = "1.0.82"
diff --git a/src/spawn.rs b/src/spawn.rs
index 3866d29..cc58660 100644
--- a/src/spawn.rs
+++ b/src/spawn.rs
@@ -46,7 +46,7 @@ impl Info {
                     )
                 })
                 .collect(),
-            stdin: stdin.as_ref().map(|x| String::from_utf8_lossy(&x).into()),
+            stdin: stdin.as_ref().map(|x| String::from_utf8_lossy(x).into()),
         }
     }
 }