2 files changed, 12 insertions, 11 deletions

diff --git a/crates/ra_hir_ty/Cargo.toml b/crates/ra_hir_ty/Cargo.toml
index 199afff49..429242870 100644
--- a/crates/ra_hir_ty/Cargo.toml
+++ b/crates/ra_hir_ty/Cargo.toml
@@ -9,18 +9,17 @@ doctest = false
 
 [dependencies]
 arrayvec = "0.5.1"
+ena = "0.13"
 log = "0.4.5"
 rustc-hash = "1.0"
-parking_lot = "0.10.0"
-ena = "0.13"
 
-ra_syntax = { path = "../ra_syntax" }
+hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
+hir_expand = { path = "../ra_hir_expand", package = "ra_hir_expand" }
 ra_arena = { path = "../ra_arena" }
 ra_db = { path = "../ra_db" }
-hir_expand = { path = "../ra_hir_expand", package = "ra_hir_expand" }
-hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
-test_utils = { path = "../test_utils" }
 ra_prof = { path = "../ra_prof" }
+ra_syntax = { path = "../ra_syntax" }
+test_utils = { path = "../test_utils" }
 
 # https://github.com/rust-lang/chalk/pull/294
 chalk-solve =   { git = "https://github.com/jackh726/chalk.git", rev = "095cd38a4f16337913bba487f2055b9ca0179f30" }
diff --git a/crates/ra_hir_ty/src/test_db.rs b/crates/ra_hir_ty/src/test_db.rs
index 0e51f4130..874357008 100644
--- a/crates/ra_hir_ty/src/test_db.rs
+++ b/crates/ra_hir_ty/src/test_db.rs
@@ -1,10 +1,12 @@
 //! Database used for testing `hir`.
 
-use std::{panic, sync::Arc};
+use std::{
+    panic,
+    sync::{Arc, Mutex},
+};
 
 use hir_def::{db::DefDatabase, AssocItemId, ModuleDefId, ModuleId};
 use hir_expand::diagnostics::DiagnosticSink;
-use parking_lot::Mutex;
 use ra_db::{salsa, CrateId, FileId, FileLoader, FileLoaderDelegate, RelativePath, SourceDatabase};
 
 use crate::{db::HirDatabase, expr::ExprValidator};
@@ -33,7 +35,7 @@ impl salsa::Database for TestDB {
     }
 
     fn salsa_event(&self, event: impl Fn() -> salsa::Event<TestDB>) {
-        let mut events = self.events.lock();
+        let mut events = self.events.lock().unwrap();
         if let Some(events) = &mut *events {
             events.push(event());
         }
@@ -122,9 +124,9 @@ impl TestDB {
 
 impl TestDB {
     pub fn log(&self, f: impl FnOnce()) -> Vec<salsa::Event<TestDB>> {
-        *self.events.lock() = Some(Vec::new());
+        *self.events.lock().unwrap() = Some(Vec::new());
         f();
-        self.events.lock().take().unwrap()
+        self.events.lock().unwrap().take().unwrap()
     }
 
     pub fn log_executed(&self, f: impl FnOnce()) -> Vec<String> {