Merge #3220

3220: Fix clippy warnings, update Cargo.toml versions r=matklad a=SomeoneToIgnore

In the `cargo xtask lint` ouptut, there were two interesting Clippy warnings that might be interesting to investigate further:

* warning: this argument (4 byte) is passed by reference, but would be more efficient if passed by value (limit: 8 byte)

* warning: large size difference between variants

Co-authored-by: Kirill Bulatov <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index 1fc892362..b1626fa11 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -448,7 +448,7 @@ where
             // FIXME expand to statements in statement position
             ast::Expr::MacroCall(e) => {
                 let macro_call = self.expander.to_source(AstPtr::new(&e));
-                match self.expander.enter_expand(self.db, e.clone()) {
+                match self.expander.enter_expand(self.db, e) {
                     Some((mark, expansion)) => {
                         self.source_map
                             .expansions