apease clippy

Author: Skgland

build.rs

@@ -8,7 +8,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     let target = std::env::var("TARGET")?;
 
     let output = std::env::var("OUT_DIR")?;
-    ::std::fs::write(format!("{}/target", output), target.as_bytes())?;
+    ::std::fs::write(format!("{output}/target"), target.as_bytes())?;
 
     println!("cargo:rerun-if-env-changed=DOCS_RS");
     if std::env::var_os("DOCS_RS").as_deref() == Some(std::ffi::OsStr::new("1")) {

src/cmd/mod.rs

@@ -501,7 +501,7 @@ impl<'w, 'pl> Command<'w, 'pl> {
                 cmd.env(k, v);
             }
 
-            let cmdstr = format!("{:?}", cmd);
+            let cmdstr = format!("{cmd:?}");
 
             if let Some(ref cd) = self.cd {
                 cmd.current_dir(cd);

src/cmd/sandbox.rs

@@ -219,7 +219,7 @@ impl SandboxBuilder {
     }
 
     pub(super) fn user(mut self, user: u32, group: u32) -> Self {
-        self.user = Some(format!("{}:{}", user, group));
+        self.user = Some(format!("{user}:{group}"));
         self
     }
 
@@ -242,7 +242,7 @@ impl SandboxBuilder {
 
         for (var, value) in &self.env {
             args.push("-e".into());
-            args.push(format! {"{}={}", var, value})
+            args.push(format! {"{var}={value}"})
         }
 
         if let Some(workdir) = self.workdir {

src/crates/registry.rs

@@ -122,7 +122,7 @@ impl RegistryCrate {
                     git2::build::RepoBuilder::new()
                         .fetch_options(fo)
                         .clone(url, &index_path)
-                        .with_context(|| format!("unable to update_index at {}", url))?;
+                        .with_context(|| format!("unable to update_index at {url}"))?;
                     info!("cloned registry index");
                 }
                 let config = std::fs::read_to_string(index_path.join("config.json"))?;

src/prepare.rs

@@ -390,6 +390,7 @@ pub enum PrepareError {
     /// Some of the dependencies do not exist anymore.
     #[error("the crate depends on missing dependencies: \n\n{0}")]
     MissingDependencies(String),
+    /// Some not further detaild error
     #[error("prepare failed without further details")]
     Unknown,
 }

src/toolchain.rs

@@ -407,8 +407,7 @@ impl Toolchain {
                 .collect()),
             Err(_) if not_installed => Err(ToolchainError::NotInstalled.into()),
             Err(err) => Err(anyhow!(err).context(format!(
-                "failed to read the list of installed {}s for {} with rustup",
-                thing, name
+                "failed to read the list of installed {thing}s for {name} with rustup"
             ))),
         }
     }
@@ -419,7 +418,7 @@ impl Toolchain {
         Command::new(workspace, &RUSTUP)
             .args(&["toolchain", "uninstall", &name])
             .run()
-            .with_context(|| format!("unable to uninstall toolchain {} via rustup", name))?;
+            .with_context(|| format!("unable to uninstall toolchain {name} via rustup"))?;
         Ok(())
     }
 

src/tools/rustup.rs

@@ -49,7 +49,7 @@ impl Tool for Rustup {
             .error_for_status()?;
 
         let tempdir = tempdir()?;
-        let installer = &tempdir.path().join(format!("rustup-init{}", EXE_SUFFIX));
+        let installer = &tempdir.path().join(format!("rustup-init{EXE_SUFFIX}"));
         {
             let mut file = File::create(installer)?;
             io::copy(&mut resp, &mut file)?;
@@ -81,7 +81,7 @@ impl Tool for Rustup {
         Command::new(workspace, &RUSTUP)
             .args(&["update", MAIN_TOOLCHAIN_NAME])
             .run()
-            .with_context(|| format!("failed to update main toolchain {}", MAIN_TOOLCHAIN_NAME))?;
+            .with_context(|| format!("failed to update main toolchain {MAIN_TOOLCHAIN_NAME}"))?;
         Ok(())
     }
 }