rust-lang · lnicola · Sep 14, 2021 · Sep 14, 2021
diff --git a/crates/flycheck/src/lib.rs b/crates/flycheck/src/lib.rs
@@ -55,7 +55,7 @@ impl fmt::Display for FlycheckConfig {
 pub struct FlycheckHandle {
     // XXX: drop order is significant
     sender: Sender<Restart>,
-    thread: jod_thread::JoinHandle,
+    _thread: jod_thread::JoinHandle,
 }
 
 impl FlycheckHandle {
@@ -71,7 +71,7 @@ impl FlycheckHandle {
             .name("Flycheck".to_owned())
             .spawn(move || actor.run(receiver))
             .expect("failed to spawn thread");
-        FlycheckHandle { sender, thread }
+        FlycheckHandle { sender, _thread: thread }
     }
 
     /// Schedule a re-start of the cargo check worker.

diff --git a/crates/hir/src/source_analyzer.rs b/crates/hir/src/source_analyzer.rs
@@ -43,7 +43,7 @@ pub(crate) struct SourceAnalyzer {
     body: Option<Arc<Body>>,
     body_source_map: Option<Arc<BodySourceMap>>,
     infer: Option<Arc<InferenceResult>>,
-    scopes: Option<Arc<ExprScopes>>,
+    _scopes: Option<Arc<ExprScopes>>,
 }
 
 impl SourceAnalyzer {
@@ -65,7 +65,7 @@ impl SourceAnalyzer {
             body: Some(body),
             body_source_map: Some(source_map),
             infer: Some(db.infer(def)),
-            scopes: Some(scopes),
+            _scopes: Some(scopes),
             file_id: node.file_id,
         }
     }
@@ -79,7 +79,7 @@ impl SourceAnalyzer {
             body: None,
             body_source_map: None,
             infer: None,
-            scopes: None,
+            _scopes: None,
             file_id: node.file_id,
         }
     }

diff --git a/crates/ide_completion/src/context.rs b/crates/ide_completion/src/context.rs
@@ -107,7 +107,7 @@ pub(crate) struct CompletionContext<'a> {
 
     pub(super) pattern_ctx: Option<PatternContext>,
     pub(super) path_context: Option<PathCompletionContext>,
-    pub(super) active_parameter: Option<ActiveParameter>,
+    pub(super) _active_parameter: Option<ActiveParameter>,
     pub(super) locals: Vec<(String, Local)>,
 
     pub(super) incomplete_let: bool,
@@ -170,7 +170,7 @@ impl<'a> CompletionContext<'a> {
             attribute_under_caret: None,
             previous_token: None,
             path_context: None,
-            active_parameter: ActiveParameter::at(db, position),
+            _active_parameter: ActiveParameter::at(db, position),
             locals,
             incomplete_let: false,
             no_completion_required: false,

diff --git a/crates/ide_completion/src/render/enum_variant.rs b/crates/ide_completion/src/render/enum_variant.rs
@@ -26,7 +26,7 @@ pub(crate) fn render_variant(
 #[derive(Debug)]
 struct EnumRender<'a> {
     ctx: RenderContext<'a>,
-    name: hir::Name,
+    _name: hir::Name,
     variant: hir::Variant,
     path: Option<hir::ModPath>,
     qualified_name: hir::ModPath,
@@ -58,7 +58,15 @@ impl<'a> EnumRender<'a> {
             ),
         };
 
-        EnumRender { ctx, name, variant, path, qualified_name, short_qualified_name, variant_kind }
+        EnumRender {
+            ctx,
+            _name: name,
+            variant,
+            path,
+            qualified_name,
+            short_qualified_name,
+            variant_kind,
+        }
     }
     fn render(self, import_to_add: Option<ImportEdit>) -> CompletionItem {
         let mut item = CompletionItem::new(

diff --git a/crates/ide_ssr/src/lib.rs b/crates/ide_ssr/src/lib.rs
@@ -103,7 +103,7 @@ pub struct SsrRule {
 
 #[derive(Debug)]
 pub struct SsrPattern {
-    raw: parsing::RawPattern,
+    _raw: parsing::RawPattern,
     parsed_rules: Vec<parsing::ParsedRule>,
 }
 

diff --git a/crates/ide_ssr/src/matching.rs b/crates/ide_ssr/src/matching.rs
@@ -63,7 +63,7 @@ pub struct Match {
 pub(crate) struct PlaceholderMatch {
     /// The node that the placeholder matched to. If set, then we'll search for further matches
     /// within this node. It isn't set when we match tokens within a macro call's token tree.
-    pub(crate) node: Option<SyntaxNode>,
+    pub(crate) _node: Option<SyntaxNode>,
     pub(crate) range: FileRange,
     /// More matches, found within `node`.
     pub(crate) inner_matches: SsrMatches,
@@ -717,7 +717,7 @@ fn recording_match_fail_reasons() -> bool {
 impl PlaceholderMatch {
     fn new(node: Option<&SyntaxNode>, range: FileRange) -> Self {
         Self {
-            node: node.cloned(),
+            _node: node.cloned(),
             range,
             inner_matches: SsrMatches::default(),
             autoderef_count: 0,
@@ -805,7 +805,7 @@ mod tests {
         assert_eq!(matches.matches[0].placeholder_values.len(), 1);
         assert_eq!(
             matches.matches[0].placeholder_values[&Var("x".to_string())]
-                .node
+                ._node
                 .as_ref()
                 .unwrap()
                 .text(),

diff --git a/crates/ide_ssr/src/parsing.rs b/crates/ide_ssr/src/parsing.rs
@@ -204,7 +204,7 @@ impl FromStr for SsrPattern {
     fn from_str(pattern_str: &str) -> Result<SsrPattern, SsrError> {
         let raw_pattern = pattern_str.parse()?;
         let parsed_rules = ParsedRule::new(&raw_pattern, None)?;
-        Ok(SsrPattern { raw: raw_pattern, parsed_rules })
+        Ok(SsrPattern { _raw: raw_pattern, parsed_rules })
     }
 }
 

diff --git a/crates/proc_macro_api/src/process.rs b/crates/proc_macro_api/src/process.rs
@@ -16,7 +16,7 @@ use crate::{
 
 #[derive(Debug)]
 pub(crate) struct ProcMacroProcessSrv {
-    process: Process,
+    _process: Process,
     stdin: ChildStdin,
     stdout: BufReader<ChildStdout>,
 }
@@ -29,7 +29,7 @@ impl ProcMacroProcessSrv {
         let mut process = Process::run(process_path, args)?;
         let (stdin, stdout) = process.stdio().expect("couldn't access child stdio");
 
-        let srv = ProcMacroProcessSrv { process, stdin, stdout };
+        let srv = ProcMacroProcessSrv { _process: process, stdin, stdout };
 
         Ok(srv)
     }

diff --git a/crates/vfs-notify/src/lib.rs b/crates/vfs-notify/src/lib.rs
@@ -18,7 +18,7 @@ use walkdir::WalkDir;
 pub struct NotifyHandle {
     // Relative order of fields below is significant.
     sender: Sender<Message>,
-    thread: jod_thread::JoinHandle,
+    _thread: jod_thread::JoinHandle,
 }
 
 #[derive(Debug)]
@@ -35,7 +35,7 @@ impl loader::Handle for NotifyHandle {
             .name("VfsLoader".to_owned())
             .spawn(move || actor.run(receiver))
             .expect("failed to spawn thread");
-        NotifyHandle { sender, thread }
+        NotifyHandle { sender, _thread: thread }
     }
     fn set_config(&mut self, config: loader::Config) {
         self.sender.send(Message::Config(config)).unwrap()