Delete no_unsafe_op_in_unsafe_fn_lint configuration

Author: dtolnay

build.rs

@@ -12,16 +12,9 @@ fn main() {
 
     if compiler >= 80 {
         println!("cargo:rustc-check-cfg=cfg(no_nonzero_bitscan)");
-        println!("cargo:rustc-check-cfg=cfg(no_unsafe_op_in_unsafe_fn_lint)");
         println!("cargo:rustc-check-cfg=cfg(test_node_semver)");
     }
 
-    if compiler < 52 {
-        // #![deny(unsafe_op_in_unsafe_fn)].
-        // https://github.com/rust-lang/rust/issues/71668
-        println!("cargo:rustc-cfg=no_unsafe_op_in_unsafe_fn_lint");
-    }
-
     if compiler < 53 {
         // Efficient intrinsics for count-leading-zeros and count-trailing-zeros
         // on NonZero integers stabilized in 1.53.0. On many architectures these

src/lib.rs

@@ -63,8 +63,7 @@
 #![doc(html_root_url = "https://docs.rs/semver/1.0.26")]
 #![cfg_attr(docsrs, feature(doc_cfg))]
 #![cfg_attr(not(feature = "std"), no_std)]
-#![cfg_attr(not(no_unsafe_op_in_unsafe_fn_lint), deny(unsafe_op_in_unsafe_fn))]
-#![cfg_attr(no_unsafe_op_in_unsafe_fn_lint, allow(unused_unsafe))]
+#![deny(unsafe_op_in_unsafe_fn)]
 #![allow(
     clippy::cast_lossless,
     clippy::cast_possible_truncation,