Add #[cfg(not(test))] to some impls to work around rust-lang#135100

Author: joshtriplett

alloc/src/bstr.rs

@@ -9,10 +9,13 @@ use core::ops::{
     Deref, DerefMut, DerefPure, Index, IndexMut, Range, RangeFrom, RangeFull, RangeInclusive,
     RangeTo, RangeToInclusive,
 };
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 use core::str::FromStr;
 use core::{fmt, hash};
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 use crate::borrow::{Cow, ToOwned};
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 use crate::boxed::Box;
 use crate::rc::Rc;
 use crate::string::String;
@@ -185,6 +188,7 @@ impl Default for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a, const N: usize> From<&'a [u8; N]> for ByteString {
     #[inline]
@@ -193,6 +197,7 @@ impl<'a, const N: usize> From<&'a [u8; N]> for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<const N: usize> From<[u8; N]> for ByteString {
     #[inline]
@@ -201,6 +206,7 @@ impl<const N: usize> From<[u8; N]> for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<&'a [u8]> for ByteString {
     #[inline]
@@ -225,6 +231,7 @@ impl From<ByteString> for Vec<u8> {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<&'a str> for ByteString {
     #[inline]
@@ -241,6 +248,7 @@ impl From<String> for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<&'a ByteStr> for ByteString {
     #[inline]
@@ -249,6 +257,7 @@ impl<'a> From<&'a ByteStr> for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<ByteString> for Cow<'a, ByteStr> {
     #[inline]
@@ -257,6 +266,7 @@ impl<'a> From<ByteString> for Cow<'a, ByteStr> {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<&'a ByteString> for Cow<'a, ByteStr> {
     #[inline]
@@ -325,6 +335,7 @@ impl FromIterator<ByteString> for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl FromStr for ByteString {
     type Err = core::convert::Infallible;
@@ -482,6 +493,7 @@ impl PartialEq for ByteString {
 
 macro_rules! impl_partial_eq_ord_cow {
     ($lhs:ty, $rhs:ty) => {
+        #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
         #[allow(unused_lifetimes)]
         #[unstable(feature = "bstr", issue = "134915")]
         impl<'a> PartialEq<$rhs> for $lhs {
@@ -492,6 +504,7 @@ macro_rules! impl_partial_eq_ord_cow {
             }
         }
 
+        #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
         #[allow(unused_lifetimes)]
         #[unstable(feature = "bstr", issue = "134915")]
         impl<'a> PartialEq<$lhs> for $rhs {
@@ -502,6 +515,7 @@ macro_rules! impl_partial_eq_ord_cow {
             }
         }
 
+        #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
         #[allow(unused_lifetimes)]
         #[unstable(feature = "bstr", issue = "134915")]
         impl<'a> PartialOrd<$rhs> for $lhs {
@@ -512,6 +526,7 @@ macro_rules! impl_partial_eq_ord_cow {
             }
         }
 
+        #[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
         #[allow(unused_lifetimes)]
         #[unstable(feature = "bstr", issue = "134915")]
         impl<'a> PartialOrd<$lhs> for $rhs {
@@ -562,6 +577,7 @@ impl PartialOrd for ByteString {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl ToOwned for ByteStr {
     type Owned = ByteString;
@@ -594,6 +610,7 @@ impl<'a> TryFrom<&'a ByteString> for &'a str {
 
 // Additional impls for `ByteStr` that require types from `alloc`:
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl Clone for Box<ByteStr> {
     #[inline]
@@ -602,6 +619,7 @@ impl Clone for Box<ByteStr> {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl<'a> From<&'a ByteStr> for Cow<'a, ByteStr> {
     #[inline]
@@ -610,6 +628,7 @@ impl<'a> From<&'a ByteStr> for Cow<'a, ByteStr> {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl From<Box<[u8]>> for Box<ByteStr> {
     #[inline]
@@ -619,6 +638,7 @@ impl From<Box<[u8]>> for Box<ByteStr> {
     }
 }
 
+#[cfg(not(test))] // https://github.com/rust-lang/rust/issues/135100
 #[unstable(feature = "bstr", issue = "134915")]
 impl From<Box<ByteStr>> for Box<[u8]> {
     #[inline]