Update MSRV to 1.81 nightly (#19)

* Upgrade MSRV to 1.81

* Use lint expects

* Link without lld + remove unsafe env var modifications

Author: juntyr

.cargo/config.toml

@@ -1,2 +1,5 @@
 [alias]
 reap-clippy = "reaper cargo clippy"
+
+[target.x86_64-unknown-linux-gnu]
+rustflags = ["-Zlinker-features=-lld"]

Cargo.toml

@@ -13,7 +13,7 @@ version = "0.1.0"
 authors = ["Juniper Tyree <juniper.tyree@helsinki.fi>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.79" # nightly
+rust-version = "1.81" # nightly
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

README.md

@@ -3,7 +3,7 @@
 [CI Status]: https://img.shields.io/github/actions/workflow/status/juntyr/rust-cuda/ci.yml?branch=main
 [workflow]: https://github.com/juntyr/rust-cuda/actions/workflows/ci.yml?query=branch%3Amain
 
-[MSRV]: https://img.shields.io/badge/MSRV-1.79.0--nightly-orange
+[MSRV]: https://img.shields.io/badge/MSRV-1.81.0--nightly-orange
 [repo]: https://github.com/juntyr/rust-cuda
 
 [Rust Doc]: https://img.shields.io/badge/docs-main-blue

examples/derive/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(clippy::pedantic)]
+#![allow(dead_code)] // FIXME: use expect
 #![feature(const_type_name)]
 
 #[derive(rc::lend::LendRustToCuda)]

examples/print/src/lib.rs

@@ -41,8 +41,8 @@ mod cuda_prelude {
     #[panic_handler]
     fn panic(info: &::core::panic::PanicInfo) -> ! {
         // pretty format and print the panic message
-        // but don't allow dynamic formatting or panic payload downcasting
-        rust_cuda::device::utils::pretty_print_panic_info(info, false, false);
+        //  but don't allow dynamic formatting
+        rust_cuda::device::utils::pretty_print_panic_info(info, false);
 
         // Safety: no mutable data is shared with the kernel
         unsafe { rust_cuda::device::utils::exit() }

examples/single-source/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(clippy::pedantic)]
+#![allow(dead_code)] // FIXME: use expect
 #![cfg_attr(target_os = "cuda", no_std)]
 #![cfg_attr(target_os = "cuda", feature(abi_ptx))]
 #![cfg_attr(target_os = "cuda", feature(alloc_error_handler))]
@@ -18,7 +19,6 @@ pub struct Dummy(i32);
 
 #[derive(Clone, rc::lend::LendRustToCuda)]
 #[cuda(crate = "rc")]
-#[allow(dead_code)]
 pub struct Wrapper<T> {
     #[cuda(embed)]
     inner: T,
@@ -67,7 +67,7 @@ pub fn kernel<
     let shared = rc::utils::shared::ThreadBlockShared::<[Tuple; 3]>::new_uninit();
     let shared2 = rc::utils::shared::ThreadBlockShared::<[Tuple; 3]>::new_uninit();
 
-    #[allow(clippy::cast_possible_truncation, clippy::cast_sign_loss)]
+    #[expect(clippy::cast_possible_truncation, clippy::cast_sign_loss)]
     unsafe {
         (*shared.index_mut_unchecked(1)).0 = (f64::from(s) * 2.0) as u32;
     }
@@ -90,7 +90,6 @@ pub fn kernel<
 #[cfg(not(target_os = "cuda"))]
 mod host {
     // Link several instances of the generic CUDA kernel
-    #[allow(dead_code)]
     struct KernelPtx<'a, T>(std::marker::PhantomData<&'a T>);
     crate::link! { impl kernel<'a, crate::Empty> for KernelPtx }
     crate::link! { impl kernel<'a, rc::utils::adapter::RustToCudaWithPortableBitCopySemantics<u64>> for KernelPtx }

rust-cuda-derive/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 authors = ["Juniper Tyree <juniper.tyree@helsinki.fi>"]
 license = "MIT OR Apache-2.0"
 edition = "2021"
-rust-version = "1.79" # nightly
+rust-version = "1.81" # nightly
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

rust-cuda-derive/src/lib.rs

@@ -5,7 +5,7 @@
 //! [CI Status]: https://img.shields.io/github/actions/workflow/status/juntyr/rust-cuda/ci.yml?branch=main
 //! [workflow]: https://github.com/juntyr/rust-cuda/actions/workflows/ci.yml?query=branch%3Amain
 //!
-//! [MSRV]: https://img.shields.io/badge/MSRV-1.79.0--nightly-orange
+//! [MSRV]: https://img.shields.io/badge/MSRV-1.81.0--nightly-orange
 //! [repo]: https://github.com/juntyr/rust-cuda
 //!
 //! [Rust Doc]: https://img.shields.io/badge/docs-main-blue

rust-cuda-derive/src/rust_to_cuda/field_copy.rs

@@ -3,7 +3,7 @@ use quote::{format_ident, quote, ToTokens};
 
 use crate::rust_to_cuda::field_ty::CudaReprFieldTy;
 
-#[allow(clippy::too_many_arguments, clippy::too_many_lines)]
+#[expect(clippy::too_many_arguments, clippy::too_many_lines)]
 pub fn impl_field_copy_init_and_expand_alloc_type(
     crate_path: &syn::Path,
     field: &syn::Field,
@@ -24,17 +24,17 @@ pub fn impl_field_copy_init_and_expand_alloc_type(
 
     c2r_field_initialisations: &mut Vec<TokenStream>,
 ) -> (TokenStream, TokenStream) {
-    #[allow(clippy::option_if_let_else)]
+    #[expect(clippy::option_if_let_else)]
     let field_accessor = match &field.ident {
         Some(ident) => quote! { #ident },
         None => proc_macro2::Literal::usize_unsuffixed(field_index).to_token_stream(),
     };
-    #[allow(clippy::option_if_let_else)]
+    #[expect(clippy::option_if_let_else)]
     let field_repr_ident = match &field.ident {
         Some(ident) => format_ident!("field_{}_repr", ident),
         None => format_ident!("field_{}_repr", field_index),
     };
-    #[allow(clippy::option_if_let_else)]
+    #[expect(clippy::option_if_let_else)]
     let field_completion_ident = match &field.ident {
         Some(ident) => format_ident!("field_{}_completion", ident),
         None => format_ident!("field_{}_completion", field_index),

rust-cuda-derive/src/rust_to_cuda/field_ty.rs

@@ -1,6 +1,6 @@
 use syn::{parse_quote, spanned::Spanned};
 
-#[allow(clippy::module_name_repetitions)]
+#[expect(clippy::module_name_repetitions)]
 pub enum CudaReprFieldTy {
     SafeDeviceCopy,
     RustToCuda {
@@ -103,7 +103,7 @@ pub fn swap_field_type_and_filter_attrs(
         }
     });
 
-    #[allow(clippy::option_if_let_else)]
+    #[expect(clippy::option_if_let_else)]
     let cuda_repr_field_ty = if let Some(cuda_repr_field_ty) = cuda_repr_field_ty {
         cuda_repr_field_ty
     } else {