error: methods `as_raw_stat`, `st_birthtime`, `st_birthtime_nsec`, `st_flags`, `st_gen`, and `st_lspare` are never used
    --> library/std/src/os/ios/fs.rs:29:8
     |
  15 | pub trait MetadataExt {
     |           ----------- methods in this trait
  ...
  29 |     fn as_raw_stat(&self) -> &raw::stat;
     |        ^^^^^^^^^^^
  ...
  60 |     fn st_birthtime(&self) -> i64;
     |        ^^^^^^^^^^^^
  61 |     #[stable(feature = "metadata_ext2", since = "1.8.0")]
  62 |     fn st_birthtime_nsec(&self) -> i64;
     |        ^^^^^^^^^^^^^^^^^
  ...
  68 |     fn st_flags(&self) -> u32;
     |        ^^^^^^^^
  69 |     #[stable(feature = "metadata_ext2", since = "1.8.0")]
  70 |     fn st_gen(&self) -> u32;
     |        ^^^^^^
  71 |     #[stable(feature = "metadata_ext2", since = "1.8.0")]
  72 |     fn st_lspare(&self) -> u32;
     |        ^^^^^^^^^
     |
     = note: `-D dead-code` implied by `-D warnings`
     = help: to override `-D warnings` add `#[allow(dead_code)]`
  
  error: method `set_created` is never used
     --> library/std/src/os/ios/fs.rs:151:8
      |
  148 | pub trait FileTimesExt: Sealed {
      |           ------------ method in this trait
  ...
  151 |     fn set_created(self, t: SystemTime) -> Self;
      |        ^^^^^^^^^^^
  
  
  Did not run successfully: exit status: 1