project-model: Fix warnings about clippy str_to_string rule

crates/project-model/src/build_scripts.rs

@@ -322,7 +322,7 @@ impl WorkspaceBuildScripts {
                 let mut deserializer = serde_json::Deserializer::from_str(line);
                 deserializer.disable_recursion_limit();
                 let message = Message::deserialize(&mut deserializer)
-                    .unwrap_or_else(|_| Message::TextLine(line.to_string()));
+                    .unwrap_or_else(|_| Message::TextLine(line.to_owned()));
 
                 match message {
                     Message::BuildScriptExecuted(mut message) => {
@@ -356,7 +356,7 @@ impl WorkspaceBuildScripts {
                                 if let Some(out_dir) =
                                     out_dir.as_os_str().to_str().map(|s| s.to_owned())
                                 {
-                                    data.envs.push(("OUT_DIR".to_string(), out_dir));
+                                    data.envs.push(("OUT_DIR".to_owned(), out_dir));
                                 }
                                 data.out_dir = Some(out_dir);
                                 data.cfgs = cfgs;
@@ -396,7 +396,7 @@ impl WorkspaceBuildScripts {
 
         let errors = if !output.status.success() {
             let errors = errors.into_inner();
-            Some(if errors.is_empty() { "cargo check failed".to_string() } else { errors })
+            Some(if errors.is_empty() { "cargo check failed".to_owned() } else { errors })
         } else {
             None
         };
@@ -490,7 +490,7 @@ impl WorkspaceBuildScripts {
 
 // FIXME: Find a better way to know if it is a dylib.
 fn is_dylib(path: &Utf8Path) -> bool {
-    match path.extension().map(|e| e.to_string().to_lowercase()) {
+    match path.extension().map(|e| e.to_owned().to_lowercase()) {
         None => false,
         Some(ext) => matches!(ext.as_str(), "dll" | "dylib" | "so"),
     }

crates/project-model/src/cargo_workspace.rs

@@ -285,7 +285,7 @@ impl CargoWorkspace {
         // FIXME: Fetching metadata is a slow process, as it might require
         // calling crates.io. We should be reporting progress here, but it's
         // unclear whether cargo itself supports it.
-        progress("metadata".to_string());
+        progress("metadata".to_owned());
 
         (|| -> Result<cargo_metadata::Metadata, cargo_metadata::Error> {
             let mut command = meta.cargo_command();
@@ -502,7 +502,7 @@ fn rustc_discover_host_triple(
             let field = "host: ";
             let target = stdout.lines().find_map(|l| l.strip_prefix(field));
             if let Some(target) = target {
-                Some(target.to_string())
+                Some(target.to_owned())
             } else {
                 // If we fail to resolve the host platform, it's not the end of the world.
                 tracing::info!("rustc -vV did not report host platform, got:\n{}", stdout);
@@ -536,7 +536,7 @@ fn parse_output_cargo_config_build_target(stdout: String) -> Vec<String> {
     let trimmed = stdout.trim_start_matches("build.target = ").trim_matches('"');
 
     if !trimmed.starts_with('[') {
-        return [trimmed.to_string()].to_vec();
+        return [trimmed.to_owned()].to_vec();
     }
 
     let res = serde_json::from_str(trimmed);

crates/project-model/src/cfg_flag.rs

@@ -19,7 +19,7 @@ impl FromStr for CfgFlag {
                 if !(value.starts_with('"') && value.ends_with('"')) {
                     return Err(format!("Invalid cfg ({s:?}), value should be in quotes"));
                 }
-                let key = key.to_string();
+                let key = key.to_owned();
                 let value = value[1..value.len() - 1].to_string();
                 CfgFlag::KeyValue { key, value }
             }

crates/project-model/src/lib.rs

@@ -167,7 +167,7 @@ fn utf8_stdout(mut cmd: Command) -> anyhow::Result<String> {
         }
     }
     let stdout = String::from_utf8(output.stdout)?;
-    Ok(stdout.trim().to_string())
+    Ok(stdout.trim().to_owned())
 }
 
 #[derive(Copy, Clone, Debug, Default, PartialEq, Eq)]

crates/project-model/src/rustc_cfg.rs

@@ -33,7 +33,7 @@ pub(crate) fn get(
     res.push(CfgFlag::Atom("target_thread_local".into()));
     for ty in ["8", "16", "32", "64", "cas", "ptr"] {
         for key in ["target_has_atomic", "target_has_atomic_load_store"] {
-            res.push(CfgFlag::KeyValue { key: key.to_string(), value: ty.into() });
+            res.push(CfgFlag::KeyValue { key: key.to_owned(), value: ty.into() });
         }
     }
 

crates/project-model/src/tests.rs

@@ -129,7 +129,7 @@ fn get_fake_sysroot() -> Sysroot {
 }
 
 fn rooted_project_json(data: ProjectJsonData) -> ProjectJson {
-    let mut root = "$ROOT$".to_string();
+    let mut root = "$ROOT$".to_owned();
     replace_root(&mut root, true);
     let path = Path::new(&root);
     let base = AbsPath::assert(path);

crates/project-model/src/workspace.rs

@@ -241,7 +241,7 @@ impl ProjectWorkspace {
                         .map_err(|p| Some(format!("rustc source path is not absolute: {p}"))),
                     Some(RustLibSource::Discover) => {
                         sysroot.as_ref().ok().and_then(Sysroot::discover_rustc_src).ok_or_else(
-                            || Some("Failed to discover rustc source for sysroot.".to_string()),
+                            || Some("Failed to discover rustc source for sysroot.".to_owned()),
                         )
                     }
                     None => Err(None),
@@ -840,7 +840,7 @@ fn project_json_to_crate_graph(
                     if let Some(name) = display_name.clone() {
                         CrateOrigin::Local {
                             repo: repository.clone(),
-                            name: Some(name.canonical_name().to_string()),
+                            name: Some(name.canonical_name().to_owned()),
                         }
                     } else {
                         CrateOrigin::Local { repo: None, name: None }
@@ -1117,7 +1117,7 @@ fn detached_files_to_crate_graph(
         let display_name = detached_file
             .file_stem()
             .and_then(|os_str| os_str.to_str())
-            .map(|file_stem| CrateDisplayName::from_canonical_name(file_stem.to_string()));
+            .map(|file_stem| CrateDisplayName::from_canonical_name(file_stem.to_owned()));
         let detached_file_crate = crate_graph.add_crate_root(
             file_id,
             Edition::CURRENT,
@@ -1129,7 +1129,7 @@ fn detached_files_to_crate_graph(
             false,
             CrateOrigin::Local {
                 repo: None,
-                name: display_name.map(|n| n.canonical_name().to_string()),
+                name: display_name.map(|n| n.canonical_name().to_owned()),
             },
             target_layout.clone(),
             None,
@@ -1323,7 +1323,7 @@ fn add_target_crate_root(
         }
     }
 
-    let display_name = CrateDisplayName::from_canonical_name(cargo_name.to_string());
+    let display_name = CrateDisplayName::from_canonical_name(cargo_name.to_owned());
     let crate_id = crate_graph.add_crate_root(
         file_id,
         edition,