Fix lints

Author: jhpratt

Cargo.toml

@@ -28,6 +28,7 @@ deranged-macros = { version = "=0.2.0", path = "deranged-macros" }
 ambiguous-glob-reexports = "deny"
 clashing-extern-declarations = "deny"
 const-item-mutation = "deny"
+dangling-pointers-from-temporaries = "deny"
 deref-nullptr = "deny"
 drop-bounds = "deny"
 future-incompatible = "deny"
@@ -44,7 +45,6 @@ non-ascii-idents = "deny"
 opaque-hidden-inferred-bound = "deny"
 overlapping-range-endpoints = "deny"
 suspicious-double-ref-op = "deny"
-temporary-cstring-as-ptr = "deny"
 unconditional-recursion = "deny"
 unnameable-test-items = "deny"
 unsafe-op-in-unsafe-fn = "deny"

deranged/src/lib.rs

@@ -7,7 +7,7 @@
 #[cfg(feature = "std")]
 extern crate std;
 
-#[cfg(feature = "alloc")]
+#[cfg(all(feature = "alloc", any(feature = "serde", feature = "quickcheck")))]
 extern crate alloc;
 
 #[cfg(test)]
@@ -1345,7 +1345,7 @@ macro_rules! impl_ranged {
                     #[cfg(feature = "alloc")] {
                         &alloc::format!("an integer in the range {}..={}", MIN, MAX).as_ref()
                     },
-                    #[cfg(not(feature = "std"))] {
+                    #[cfg(not(feature = "alloc"))] {
                         &"an integer in the valid range"
                     }
                 ))