Remove mod.rs

Author: Amanieu

crates/std_detect/src/detect/os/linux/cpuinfo.rs

@@ -33,7 +33,7 @@ impl CpuInfo {
     }
 
     #[cfg(test)]
-    fn from_str(other: &str) -> Result<Self, ::std::io::Error> {
+    fn from_str(other: &str) -> Result<Self, ()> {
         Ok(Self {
             raw: String::from(other),
         })

crates/std_detect/src/lib.rs

@@ -12,24 +12,21 @@
 //! * `powerpc64`: [`is_powerpc64_feature_detected`]
 
 #![unstable(feature = "stdsimd", issue = "27731")]
-#![feature(
-    const_fn,
-    staged_api,
-    stdsimd,
-    doc_cfg,
-    allow_internal_unstable,
-    vec_spare_capacity
-)]
+#![feature(const_fn, staged_api, stdsimd, doc_cfg, allow_internal_unstable)]
 #![allow(clippy::shadow_reuse)]
 #![deny(clippy::missing_inline_in_public_items)]
-#![cfg_attr(target_os = "linux", feature(linkage))]
 #![cfg_attr(all(target_os = "freebsd", target_arch = "aarch64"), feature(llvm_asm))]
 #![cfg_attr(test, allow(unused_imports))]
+#![cfg_attr(feature = "std_detect_file_io", feature(vec_spare_capacity))]
 #![no_std]
 
 #[cfg(feature = "std_detect_file_io")]
 extern crate alloc;
 
+#[cfg(test)]
+#[macro_use]
+extern crate std;
+
 #[doc(hidden)]
 #[unstable(feature = "stdsimd", issue = "27731")]
 pub mod detect;