1816 impl<A: Allocator> Box<dyn Any + Send + Sync, A> {
1869             let (raw, alloc): (*mut (dyn Any + Send + Sync), _) =  in downcast_unchecked()
2173 impl dyn Error + Send + Sync {  implementation
2182             mem::transmute::<Box<dyn Error>, Box<dyn Error + Send + Sync>>(s)  in downcast()
2222 impl<'a, E: Error + Send + Sync + 'a> From<E> for Box<dyn Error + Send + Sync + 'a> {
2254     fn from(err: E) -> Box<dyn Error + Send + Sync + 'a> {  in from()
2261 impl From<String> for Box<dyn Error + Send + Sync> {
2276     fn from(err: String) -> Box<dyn Error + Send + Sync> {  in from()  argument
2319         let err1: Box<dyn Error + Send + Sync> = From::from(str_err);  in from()
2327 impl<'a> From<&str> for Box<dyn Error + Send + Sync + 'a> {
2344     fn from(err: &str) -> Box<dyn Error + Send + Sync + 'a> {  in from()
2373 impl<'a, 'b> From<Cow<'b, str>> for Box<dyn Error + Send + Sync + 'a> {
2388     fn from(err: Cow<'b, str>) -> Box<dyn Error + Send + Sync + 'a> {  in from()