3 files changed, 54 insertions, 22 deletions

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a5a4b3ccd..c915b9d14 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -34,7 +34,7 @@ jobs:
     name: Rust
     runs-on: ${{ matrix.os }}
     env:
-     CC: deny_c
+      CC: deny_c
 
     strategy:
       fail-fast: false
@@ -64,20 +64,16 @@ jobs:
     - if: matrix.os == 'ubuntu-latest'
       run: sudo chown -R $(whoami):$(id -ng) ~/.cargo/
 
-    - name: Cache cargo registry
-      uses: actions/cache@v1
+    - name: Cache cargo directories
+      uses: actions/cache@v2
       with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo index
-      uses: actions/cache@v1
-      with:
-        path: ~/.cargo/git
-        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Cache cargo target dir
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       with:
         path: target
         key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
@@ -114,17 +110,13 @@ jobs:
 
     - run: sudo chown -R $(whoami):$(id -ng) ~/.cargo/
 
-    - name: Cache cargo registry
-      uses: actions/cache@v1
-      with:
-        path: ~/.cargo/registry
-        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
-
-    - name: Cache cargo index
-      uses: actions/cache@v1
+    - name: Cache cargo directories
+      uses: actions/cache@v2
       with:
-        path: ~/.cargo/git
-        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+        path: |
+          ~/.cargo/registry
+          ~/.cargo/git
+        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
 
     - name: Check
       run: cargo check --target=powerpc-unknown-linux-gnu --all-targets
diff --git a/crates/ra_assists/src/handlers/add_missing_impl_members.rs b/crates/ra_assists/src/handlers/add_missing_impl_members.rs
index d6aaf53f1..f185e61e5 100644
--- a/crates/ra_assists/src/handlers/add_missing_impl_members.rs
+++ b/crates/ra_assists/src/handlers/add_missing_impl_members.rs
@@ -158,6 +158,9 @@ fn add_missing_impl_members_inner(
             .map(|it| ast_transform::apply(&*ast_transform, it))
             .map(|it| match it {
                 ast::AssocItem::FnDef(def) => ast::AssocItem::FnDef(add_body(def)),
+                ast::AssocItem::TypeAliasDef(def) => {
+                    ast::AssocItem::TypeAliasDef(def.remove_bounds())
+                }
                 _ => it,
             })
             .map(|it| edit::remove_attrs_and_docs(&it));
@@ -684,4 +687,26 @@ impl Foo<T> for S<T> {
 }"#,
         )
     }
+
+    #[test]
+    fn test_assoc_type_bounds_are_removed() {
+        check_assist(
+            add_missing_impl_members,
+            r#"
+trait Tr {
+    type Ty: Copy + 'static;
+}
+
+impl Tr for ()<|> {
+}"#,
+            r#"
+trait Tr {
+    type Ty: Copy + 'static;
+}
+
+impl Tr for () {
+    $0type Ty;
+}"#,
+        )
+    }
 }
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 940c30c7f..abc7a646c 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -189,6 +189,21 @@ impl ast::RecordFieldList {
     }
 }
 
+impl ast::TypeAliasDef {
+    #[must_use]
+    pub fn remove_bounds(&self) -> ast::TypeAliasDef {
+        let colon = match self.colon_token() {
+            Some(it) => it,
+            None => return self.clone(),
+        };
+        let end = match self.type_bound_list() {
+            Some(it) => it.syntax().clone().into(),
+            None => colon.clone().into(),
+        };
+        self.replace_children(colon.into()..=end, iter::empty())
+    }
+}
+
 impl ast::TypeParam {
     #[must_use]
     pub fn remove_bounds(&self) -> ast::TypeParam {