Merge pull request #445 from tea/fixes

Remove warnings due to new lint on unknown cfgs

core/build.rs

@@ -3,6 +3,7 @@
 // scripts gets `cfg` info, even if the cfg is unstable.
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rustc-check-cfg=cfg(tsan_enabled)");
     let santizer_list = std::env::var("CARGO_CFG_SANITIZE").unwrap_or_default();
     if santizer_list.contains("thread") {
         println!("cargo:rustc-cfg=tsan_enabled");

core/src/thread_parker/mod.rs

@@ -82,4 +82,4 @@ cfg_if! {
     }
 }
 
-pub use self::imp::{thread_yield, ThreadParker, UnparkHandle};
+pub use self::imp::{thread_yield, ThreadParker};

lock_api/build.rs

@@ -1,6 +1,8 @@
 fn main() {
     let cfg = autocfg::new();
 
+    println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rustc-check-cfg=cfg(has_const_fn_trait_bound)");
     if cfg.probe_rustc_version(1, 61) {
         println!("cargo:rustc-cfg=has_const_fn_trait_bound");
     }

lock_api/src/lib.rs

@@ -100,6 +100,7 @@ extern crate alloc;
 pub struct GuardSend(());
 
 /// Marker type which indicates that the Guard type for a lock is not `Send`.
+#[allow(dead_code)]
 pub struct GuardNoSend(*mut ());
 
 unsafe impl Sync for GuardNoSend {}