Fix some clippy warnings

Cargo.toml

@@ -45,7 +45,7 @@ unstable = []
 
 [dependencies]
 mlua_derive = { version = "=0.9.3", optional = true, path = "mlua_derive" }
-bstr = { version = "1.0", features = ["std"], default_features = false }
+bstr = { version = "1.0", features = ["std"], default-features = false }
 once_cell = { version = "1.0" }
 num-traits = { version = "0.2.14" }
 rustc-hash = "2.0"
@@ -79,6 +79,9 @@ criterion = { version = "0.5", features = ["async_tokio"] }
 rustyline = "14.0"
 tokio = { version = "1.0", features = ["full"] }
 
+[lints.rust]
+unexpected_cfgs = { level = "allow", check-cfg = ['cfg(tarpaulin_include)'] }
+
 [[bench]]
 name = "benchmark"
 harness = false

mlua-sys/Cargo.toml

@@ -41,3 +41,6 @@ pkg-config = "0.3.17"
 lua-src = { version = ">= 546.0.2, < 546.1.0", optional = true }
 luajit-src = { version = ">= 210.5.0, < 210.6.0", optional = true }
 luau0-src = { version = "0.10.0", optional = true }
+
+[lints.rust]
+unexpected_cfgs = { level = "allow", check-cfg = ['cfg(raw_dylib)'] }

mlua-sys/src/lib.rs

@@ -39,39 +39,46 @@ pub const LUA_MAX_UPVALUES: c_int = 200;
 #[doc(hidden)]
 pub const LUA_TRACEBACK_STACK: c_int = 11;
 
+// Copied from https://github.com/rust-lang/rust/blob/master/library/std/src/sys/pal/common/alloc.rs
 // The minimum alignment guaranteed by the architecture. This value is used to
 // add fast paths for low alignment values.
-// Copied from https://github.com/rust-lang/rust/blob/master/library/std/src/sys/common/alloc.rs
 #[cfg(any(
     target_arch = "x86",
     target_arch = "arm",
+    target_arch = "m68k",
+    target_arch = "csky",
     target_arch = "mips",
+    target_arch = "mips32r6",
     target_arch = "powerpc",
     target_arch = "powerpc64",
     target_arch = "sparc",
-    target_arch = "asmjs",
     target_arch = "wasm32",
     target_arch = "hexagon",
-    all(target_arch = "riscv32", not(target_os = "espidf")),
+    all(
+        target_arch = "riscv32",
+        not(any(target_os = "espidf", target_os = "zkvm"))
+    ),
     all(target_arch = "xtensa", not(target_os = "espidf")),
 ))]
 #[doc(hidden)]
 pub const SYS_MIN_ALIGN: usize = 8;
 #[cfg(any(
     target_arch = "x86_64",
     target_arch = "aarch64",
+    target_arch = "arm64ec",
+    target_arch = "loongarch64",
     target_arch = "mips64",
+    target_arch = "mips64r6",
     target_arch = "s390x",
     target_arch = "sparc64",
     target_arch = "riscv64",
     target_arch = "wasm64",
-    target_arch = "loongarch64",
 ))]
 #[doc(hidden)]
 pub const SYS_MIN_ALIGN: usize = 16;
-// The allocator on the esp-idf platform guarentees 4 byte alignment.
+// The allocator on the esp-idf and zkvm platforms guarantee 4 byte alignment.
 #[cfg(any(
-    all(target_arch = "riscv32", target_os = "espidf"),
+    all(target_arch = "riscv32", any(target_os = "espidf", target_os = "zkvm")),
     all(target_arch = "xtensa", target_os = "espidf"),
 ))]
 #[doc(hidden)]

src/chunk.rs

@@ -341,7 +341,7 @@ impl<'lua, 'a> Chunk<'lua, 'a> {
     ///
     /// This is equivalent to calling the chunk function with no arguments and no return values.
     pub fn exec(self) -> Result<()> {
-        self.call(())?;
+        self.call::<_, ()>(())?;
         Ok(())
     }
 

src/lib.rs

@@ -73,7 +73,7 @@
 
 // Deny warnings inside doc tests / examples. When this isn't present, rustdoc doesn't show *any*
 // warnings at all.
-#![doc(test(attr(deny(warnings))))]
+#![doc(test(attr(warn(warnings))))] // FIXME: Remove this when rust-lang/rust#123748 is fixed
 #![cfg_attr(docsrs, feature(doc_cfg))]
 
 #[macro_use]

src/stdlib.rs

@@ -1,5 +1,4 @@
 use std::ops::{BitAnd, BitAndAssign, BitOr, BitOrAssign, BitXor, BitXorAssign};
-use std::u32;
 
 /// Flags describing the set of lua standard libraries to load.
 #[derive(Copy, Clone, Debug, Eq, Ord, PartialEq, PartialOrd)]