Disable some unused unstable features

6 files changed, 4 insertions, 12 deletions

diff --git a/dhall/src/lib.rs b/dhall/src/lib.rs
index c360323..d40fbda 100644
--- a/dhall/src/lib.rs
+++ b/dhall/src/lib.rs
@@ -1,13 +1,7 @@
 #![feature(trace_macros)]
-#![feature(proc_macro_hygiene)]
 #![feature(slice_patterns)]
-#![feature(label_break_value)]
 #![feature(non_exhaustive)]
-#![feature(bind_by_move_pattern_guards)]
-#![feature(try_trait)]
-#![feature(inner_deref)]
 #![feature(never_type)]
-#![cfg_attr(test, feature(custom_inner_attributes))]
 #![allow(
     clippy::type_complexity,
     clippy::infallible_destructuring_match,
diff --git a/dhall/src/phase/normalize.rs b/dhall/src/phase/normalize.rs
index f11269e..02406f2 100644
--- a/dhall/src/phase/normalize.rs
+++ b/dhall/src/phase/normalize.rs
@@ -752,7 +752,7 @@ pub fn normalize_one_layer(expr: ExprF<Thunk, Normalized>) -> Value {
             None => Ret::Expr(expr),
         },
 
-        ExprF::Projection(_, ls) if ls.is_empty() => {
+        ExprF::Projection(_, ref ls) if ls.is_empty() => {
             Ret::Value(RecordLit(HashMap::new()))
         }
         ExprF::Projection(ref v, ref ls) => {
diff --git a/dhall/src/phase/resolve.rs b/dhall/src/phase/resolve.rs
index 52353e4..dabecf2 100644
--- a/dhall/src/phase/resolve.rs
+++ b/dhall/src/phase/resolve.rs
@@ -105,9 +105,8 @@ pub fn skip_resolve_expr(
 }
 
 #[cfg(test)]
+#[rustfmt::skip]
 mod spec_tests {
-    #![rustfmt::skip]
-
     macro_rules! import_success {
         ($name:ident, $path:expr) => {
             make_spec_test!(Import, Success, $name, &("../dhall-lang/tests/import/success/".to_owned() + $path));
diff --git a/dhall/src/phase/typecheck.rs b/dhall/src/phase/typecheck.rs
index 89e2da8..5eab8da 100644
--- a/dhall/src/phase/typecheck.rs
+++ b/dhall/src/phase/typecheck.rs
@@ -438,7 +438,7 @@ fn type_last_layer(
         }
         Assert(t) => {
             match t.to_value() {
-                Value::Equivalence(x, y) if x == y => {}
+                Value::Equivalence(ref x, ref y) if x == y => {}
                 Value::Equivalence(x, y) => {
                     return Err(mkerr(AssertMismatch(
                         x.to_typed(),
diff --git a/dhall/src/tests.rs b/dhall/src/tests.rs
index 15bc97a..d269523 100644
--- a/dhall/src/tests.rs
+++ b/dhall/src/tests.rs
@@ -204,7 +204,7 @@ pub fn run_test(
             match feature {
                 Parser => {
                     let err = parse_file_str(&file_path).unwrap_err();
-                    match err {
+                    match &err {
                         Error::Parse(_) => {}
                         Error::IO(e)
                             if e.kind() == std::io::ErrorKind::InvalidData => {}
diff --git a/serde_dhall/tests/traits.rs b/serde_dhall/tests/traits.rs
index 55be63b..15a91ed 100644
--- a/serde_dhall/tests/traits.rs
+++ b/serde_dhall/tests/traits.rs
@@ -1,4 +1,3 @@
-#![feature(proc_macro_hygiene)]
 use serde_dhall::{from_str, StaticType, Value};
 
 #[test]