chore: rust 2024 compatibility

Author: pedromfedricci

.github/workflows/ci.yml

@@ -62,6 +62,8 @@ jobs:
       - name: Set Rust 1.65.0 as default
         run: rustup default nightly-2022-09-18
       - name: Check MSRV
+        env:
+          RUSTFLAGS: --allow unknown_lints
         run: cargo check --all-features
 
   docsrs:

Makefile.toml

@@ -7,11 +7,17 @@ CLIPPY_FLAGS_LOOM = "${CFG_LOOM} ${CLIPPY_FLAGS}"
 [config]
 default_to_workspace = false
 
+# Install a "no_std" target.
+[tasks.install-no-std-target]
+command = "rustup"
+args = ["target", "add", "thumbv7m-none-eabi"]
+
 # Build package for no_std environment.
 [tasks.no-std]
 command = "cargo"
 args = ["hack", "build", "--target", "thumbv7m-none-eabi", "--feature-powerset",
         "--no-dev-deps", "--skip", "yield"]
+dependencies = ["install-no-std-target"]
 
 # Build docs for docs.rs.
 [tasks.docsrs]
@@ -28,7 +34,7 @@ args = ["rustdoc", "--all-features", "--open", "--", "--default-theme", "ayu"]
 # Link: https://blog.rust-lang.org/2022/06/22/sparse-registry-testing.html
 toolchain = "nightly-2022-09-18"
 command = "cargo"
-env = { "CARGO_UNSTABLE_SPARSE_REGISTRY" = "true" }
+env = { "CARGO_UNSTABLE_SPARSE_REGISTRY" = "true", "RUSTFLAGS" = "--allow unknown_lints" }
 args = ["check", "--all-features"]
 
 # Check semver viloations.

rustfmt.toml

@@ -1,2 +1,2 @@
-edition = "2021"
+edition = "2024"
 use_small_heuristics = "Max"

src/lib.rs

@@ -99,7 +99,7 @@
 #![allow(clippy::module_name_repetitions)]
 #![allow(clippy::inline_always)]
 #![allow(clippy::doc_markdown)]
-#![warn(rust_2021_compatibility)]
+#![warn(rust_2024_compatibility)]
 #![warn(missing_docs)]
 
 extern crate alloc;