10 files changed, 30 insertions, 20 deletions

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 1850068a3..ec9ef59a8 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -53,11 +53,19 @@ jobs:
     - name: Install Rust toolchain
       uses: actions-rs/toolchain@v1
       with:
-        toolchain: stable
+        toolchain: 1.49.0   # FIXME: CI is failing on 1.50
         profile: minimal
         override: true
         components: rustfmt, rust-src
 
+    - name: Install rustfmt
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+        profile: minimal
+        override: false
+        components: rustfmt
+
     - name: Cache cargo directories
       uses: actions/cache@v2
       with:
diff --git a/Cargo.lock b/Cargo.lock
index 25f312faf..99b7ccf69 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -791,9 +791,9 @@ checksum = "b7282d924be3275cec7f6756ff4121987bc6481325397dde6ba3e7802b1a8b1c"
 
 [[package]]
 name = "libloading"
-version = "0.6.7"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "351a32417a12d5f7e82c368a66781e307834dae04c6ce0cd4456d52989229883"
+checksum = "6f84d96438c15fcd6c3f244c8fce01d1e2b9c6b5623e9c711dc9286d8fc92d6a"
 dependencies = [
  "cfg-if",
  "winapi",
@@ -1841,9 +1841,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-normalization"
-version = "0.1.16"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a13e63ab62dbe32aeee58d1c5408d35c36c392bba5d9d3142287219721afe606"
+checksum = "07fbfce1c8a97d547e8b5334978438d9d6ec8c20e38f56d4a4374d181493eaef"
 dependencies = [
  "tinyvec",
 ]
diff --git a/crates/ide/src/references/rename.rs b/crates/ide/src/references/rename.rs
index 99a558532..ebb1ce7dd 100644
--- a/crates/ide/src/references/rename.rs
+++ b/crates/ide/src/references/rename.rs
@@ -415,9 +415,9 @@ fn rename_reference(
 ) -> RenameResult<SourceChange> {
     let ident_kind = check_identifier(new_name)?;
 
-    let def_is_lbl_or_lt = matches!(def,
-        Definition::GenericParam(hir::GenericParam::LifetimeParam(_))
-        | Definition::Label(_)
+    let def_is_lbl_or_lt = matches!(
+        def,
+        Definition::GenericParam(hir::GenericParam::LifetimeParam(_)) | Definition::Label(_)
     );
     match (ident_kind, def) {
         (IdentifierKind::ToSelf, _)
diff --git a/crates/parser/src/grammar/params.rs b/crates/parser/src/grammar/params.rs
index 6a98d7368..e313f6fb7 100644
--- a/crates/parser/src/grammar/params.rs
+++ b/crates/parser/src/grammar/params.rs
@@ -169,11 +169,12 @@ fn opt_self_param(p: &mut Parser, m: Marker) {
         let la1 = p.nth(1);
         let la2 = p.nth(2);
         let la3 = p.nth(3);
-        if !matches!((p.current(), la1, la2, la3),
-              (T![&], T![self], _, _)
-            | (T![&], T![mut], T![self], _)
-            | (T![&], LIFETIME_IDENT, T![self], _)
-            | (T![&], LIFETIME_IDENT, T![mut], T![self])
+        if !matches!(
+            (p.current(), la1, la2, la3),
+            (T![&], T![self], _, _)
+                | (T![&], T![mut], T![self], _)
+                | (T![&], LIFETIME_IDENT, T![self], _)
+                | (T![&], LIFETIME_IDENT, T![mut], T![self])
         ) {
             return m.abandon(p);
         }
diff --git a/crates/proc_macro_srv/Cargo.toml b/crates/proc_macro_srv/Cargo.toml
index 208489e0d..6c8c28980 100644
--- a/crates/proc_macro_srv/Cargo.toml
+++ b/crates/proc_macro_srv/Cargo.toml
@@ -11,7 +11,7 @@ doctest = false
 
 [dependencies]
 object = { version = "0.23", default-features = false, features = ["std", "read_core", "elf", "macho", "pe"] }
-libloading = "0.6.0"
+libloading = "0.7.0"
 memmap2 = "0.2.0"
 
 tt = { path = "../tt", version = "0.0.0" }
diff --git a/crates/proc_macro_srv/src/dylib.rs b/crates/proc_macro_srv/src/dylib.rs
index 00fcc7bdf..28a6ee547 100644
--- a/crates/proc_macro_srv/src/dylib.rs
+++ b/crates/proc_macro_srv/src/dylib.rs
@@ -60,7 +60,7 @@ fn find_registrar_symbol(file: &Path) -> io::Result<Option<String>> {
 /// It seems that on Windows that behaviour is default, so we do nothing in that case.
 #[cfg(windows)]
 fn load_library(file: &Path) -> Result<Library, libloading::Error> {
-    Library::new(file)
+    unsafe { Library::new(file) }
 }
 
 #[cfg(unix)]
@@ -71,7 +71,7 @@ fn load_library(file: &Path) -> Result<Library, libloading::Error> {
     const RTLD_NOW: c_int = 0x00002;
     const RTLD_DEEPBIND: c_int = 0x00008;
 
-    UnixLibrary::open(Some(file), RTLD_NOW | RTLD_DEEPBIND).map(|lib| lib.into())
+    unsafe { UnixLibrary::open(Some(file), RTLD_NOW | RTLD_DEEPBIND).map(|lib| lib.into()) }
 }
 
 struct ProcMacroLibraryLibloading {
diff --git a/crates/rust-analyzer/src/lsp_ext.rs b/crates/rust-analyzer/src/lsp_ext.rs
index 670ca9a45..ce5a0e822 100644
--- a/crates/rust-analyzer/src/lsp_ext.rs
+++ b/crates/rust-analyzer/src/lsp_ext.rs
@@ -230,8 +230,8 @@ pub struct SsrParams {
 
 pub enum StatusNotification {}
 
-#[serde(rename_all = "camelCase")]
 #[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub enum Status {
     Loading,
     ReadyPartial,
diff --git a/crates/rust-analyzer/src/main_loop.rs b/crates/rust-analyzer/src/main_loop.rs
index f4fd1ac13..bdffff5ae 100644
--- a/crates/rust-analyzer/src/main_loop.rs
+++ b/crates/rust-analyzer/src/main_loop.rs
@@ -398,7 +398,7 @@ impl GlobalState {
         }
 
         let state_changed = self.process_changes();
-        let is_ready = matches!(self.status, Status::Ready { .. } );
+        let is_ready = matches!(self.status, Status::Ready { .. });
         if prev_status == Status::Loading && is_ready {
             for flycheck in &self.flycheck {
                 flycheck.update();
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index 5236932e8..be10ac1ae 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -528,7 +528,8 @@ pub(crate) fn url_from_abs_path(path: &Path) -> lsp_types::Url {
     assert!(path.is_absolute());
     let url = lsp_types::Url::from_file_path(path).unwrap();
     match path.components().next() {
-        Some(path::Component::Prefix(prefix)) if matches!(prefix.kind(), path::Prefix::Disk(_) | path::Prefix::VerbatimDisk(_)) =>
+        Some(path::Component::Prefix(prefix))
+            if matches!(prefix.kind(), path::Prefix::Disk(_) | path::Prefix::VerbatimDisk(_)) =>
         {
             // Need to lowercase driver letter
         }
diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index b2defa737..2a966a96d 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -1,5 +1,5 @@
 <!---
-lsp_ext.rs hash: 7609fd6d7b4ab231
+lsp_ext.rs hash: 8f1ae8530f69e3a3
 
 If you need to change the above hash to make the test pass, please check if you
 need to adjust this doc as well and ping this  issue: