Fix remaining issues identified by Miri

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
           - nightly
           - beta
           - stable
-          - 1.59.0 # MSRV
+          - 1.65.0 # MSRV
 
     timeout-minutes: 10
 
@@ -62,7 +62,6 @@ jobs:
   miri:
     name: "Miri"
     runs-on: ubuntu-latest
-    continue-on-error: true # Needed until all Miri errors are fixed
     steps:
       - uses: actions/checkout@v3
       - name: Install Miri
@@ -71,4 +70,7 @@ jobs:
           rustup override set nightly
           cargo miri setup
       - name: Test with Miri
-        run: cargo miri test
+        # Miri currently reports leaks in some tests so we disable that check
+        # here (might be due to ptr-int-ptr in crossbeam-epoch so might be
+        # resolved in future versions of that crate).
+        run: MIRIFLAGS="-Zmiri-ignore-leaks" cargo miri test

Cargo.toml

@@ -14,7 +14,7 @@ categories = ["concurrency"]
 license = "MIT OR Apache-2.0"
 exclude = ["bors.toml", ".travis.yml"]
 edition = "2021"
-rust-version = "1.59.0"
+rust-version = "1.65.0"
 
 [dependencies]
 ahash = "0.7.6"
@@ -35,6 +35,7 @@ shred-derive = { path = "shred-derive", version = "0.6.3" }
 [features]
 default = ["parallel", "shred-derive"]
 parallel = ["rayon"]
+nightly = []
 
 [[example]]
 name = "async"

benches/bench.rs

@@ -1,9 +1,5 @@
 #![feature(test)]
 
-extern crate cgmath;
-extern crate shred;
-#[macro_use]
-extern crate shred_derive;
 extern crate test;
 
 use std::ops::{Index, IndexMut};

clippy.toml

@@ -1,2 +1,2 @@
-msrv = "1.56.1"
+msrv = "1.65.0"
 disallowed-types = ["std::collections::HashMap"]

examples/basic_dispatch.rs

@@ -22,7 +22,7 @@ impl<'a> System<'a> for PrintSystem {
         println!("{:?}", &*b);
 
         *b = ResB; // We can mutate ResB here
-        // because it's `Write`.
+                   // because it's `Write`.
     }
 }
 

examples/dyn_sys_data.rs

@@ -99,11 +99,7 @@ unsafe impl<T> CastFrom<T> for dyn Reflection
 where
     T: Reflection + 'static,
 {
-    fn cast(t: &T) -> &Self {
-        t
-    }
-
-    fn cast_mut(t: &mut T) -> &mut Self {
+    fn cast(t: *mut T) -> *mut Self {
         t
     }
 }
@@ -253,8 +249,8 @@ fn main() {
     {
         let mut table = res.entry().or_insert_with(ReflectionTable::new);
 
-        table.register(&Foo);
-        table.register(&Bar);
+        table.register::<Foo>();
+        table.register::<Bar>();
     }
 
     {

src/lib.rs

@@ -1,3 +1,4 @@
+#![cfg_attr(feature = "nightly", feature(ptr_metadata, strict_provenance))]
 //! **Sh**ared **re**source **d**ispatcher
 //!
 //! This library allows to dispatch
@@ -82,6 +83,7 @@
 //! virtual function calls.
 
 #![deny(unused_must_use, clippy::disallowed_types)]
+#![deny(unsafe_op_in_unsafe_fn)]
 #![warn(missing_docs)]
 
 /// Re-exports from [`atomic_refcell`]