Remove the "libc-extra-traits" feature.

CHANGELOG.md

@@ -9,8 +9,10 @@ the functions in the `rustix::thread::futex` module instead.
 `rustix::process::waitpid`'s return type changed from `WaitStatus` to
 `(Pid, WaitStatus)`, to additionally return the pid of the child.
 
-The "cc" feature is removed. It hasn't had any effect for several
-major releases.
+The "cc" and "libc-extra-traits" features are removed. The "cc" feature hasn't
+had any effect for several major releases. If you need the traits provided
+by "libc-extra-traits", you should instead depend on libc directly and enable
+its "extra_traits" feature.
 
 All explicitly deprecated functions and types have been removed. Their
 deprecation messages will have identified alternatives.

Cargo.toml

@@ -119,14 +119,10 @@ default = ["std", "use-libc-auxv"]
 
 # This enables use of std. Disabling this enables `#![no_std]`, and requires
 # Rust 1.64 or newer.
-std = ["bitflags/std", "alloc", "libc?/std", "libc_errno?/std", "libc-extra-traits"]
+std = ["bitflags/std", "alloc", "libc?/std", "libc_errno?/std"]
 
 # Enable this to request the libc backend.
-use-libc = ["libc_errno", "libc", "libc-extra-traits"]
-
-# Enable `extra_traits` in libc types, to provide `Debug`, `Hash`, and other
-# trait impls for libc types.
-libc-extra-traits = ["libc?/extra_traits"]
+use-libc = ["libc_errno", "libc"]
 
 # Enable `rustix::event::*`.
 event = []

tests/time/dynamic_clocks.rs

@@ -10,7 +10,7 @@ fn test_known_clocks() {
 #[test]
 fn test_dynamic_clocks() {
  let file = std::fs::File::open("Cargo.toml").unwrap();
- clock_gettime_dynamic(DynamicClockId::Dynamic(file.as_fd())).unwrap_err();
+ assert!(clock_gettime_dynamic(DynamicClockId::Dynamic(file.as_fd())).is_err());
 }
 
 #[cfg(linux_kernel)]

tests/time/timespec.rs

@@ -12,7 +12,7 @@ fn test_timespec_layout() {
  // Test that `Timespec` implements `Copy` and `Debug`.
  let _y = Timespec { tv_sec, tv_nsec };
  let _z = Timespec { tv_sec, tv_nsec };
- dbg!(&x);
+ dbg!(x.tv_sec, x.tv_nsec);
 
  #[cfg(not(target_os = "redox"))]
  #[cfg(feature = "fs")]