style: Address warnings

src/cargo.rs

@@ -155,7 +155,7 @@ pub(crate) fn cargo_runner() -> Option<Vec<String>> {
         "CARGO_TARGET_{}_RUNNER",
         CURRENT_TARGET.replace('-', "_").to_uppercase()
     );
-    let runner = std::env::var(runner_env).ok()?;
+    let runner = env::var(runner_env).ok()?;
     Some(runner.split(' ').map(str::to_string).collect())
 }
 
@@ -223,7 +223,7 @@ pub fn cargo_bin<S: AsRef<str>>(name: S) -> path::PathBuf {
 
 fn cargo_bin_str(name: &str) -> path::PathBuf {
     let env_var = format!("CARGO_BIN_EXE_{}", name);
-    std::env::var_os(env_var)
+    env::var_os(env_var)
         .map(|p| p.into())
         .unwrap_or_else(|| target_dir().join(format!("{}{}", name, env::consts::EXE_SUFFIX)))
 }

src/output.rs

@@ -402,10 +402,10 @@ fn format_bytes(data: &[u8], f: &mut impl fmt::Write) -> fmt::Result {
 }
 
 fn write_debug_bstrs<'a>(
-    f: &mut impl std::fmt::Write,
+    f: &mut impl fmt::Write,
     multiline: bool,
     mut lines: impl Iterator<Item = &'a [u8]>,
-) -> std::fmt::Result {
+) -> fmt::Result {
     if multiline {
         writeln!(f, "```")?;
         for mut line in lines {

tests/cargo.rs

@@ -1,19 +1,18 @@
-use std::process;
 use std::process::Command;
 
 use assert_cmd::prelude::*;
 use escargot::CURRENT_TARGET;
 
 #[test]
 fn cargo_binary() {
-    let mut cmd = process::Command::cargo_bin("bin_fixture").unwrap();
+    let mut cmd = Command::cargo_bin("bin_fixture").unwrap();
     cmd.env("stdout", "42");
     cmd.assert().success().stdout("42\n");
 }
 
 #[test]
 fn cargo_binary_with_empty_env() {
-    let mut cmd = process::Command::cargo_bin("bin_fixture").unwrap();
+    let mut cmd = Command::cargo_bin("bin_fixture").unwrap();
     cmd.env_clear().env("stdout", "42");
     cmd.assert().success().stdout("42\n");
 }