Fix broken build on no_std

lib/codegen/src/lib.rs

@@ -119,6 +119,6 @@ mod std {
 
         pub use self::hashmap_core::map as hash_map;
         pub use self::hashmap_core::{HashMap, HashSet};
-        pub use alloc::BTreeSet;
+        pub use alloc::collections::BTreeSet;
     }
 }

lib/native/Cargo.toml

@@ -12,7 +12,7 @@ cranelift-codegen = { path = "../codegen", version = "0.14.0", default-features
 target-lexicon = { version = "0.0.2", default-features = false }
 
 [target.'cfg(any(target_arch = "x86", target_arch = "x86_64"))'.dependencies]
-raw-cpuid = "4"
+raw-cpuid = "3.1.0"
 
 [features]
 default = ["std"]