error: aborting due to 2 previous errors; 1 warning emitted
+For more information about this error, try `rustc --explain E0770`.
error: aborting due to 2 previous errors
-For more information about this error, try `rustc --explain E0658`.
+Some errors have detailed explanations: E0658, E0770.
+For more information about an error, try `rustc --explain E0658`.
error: aborting due to 2 previous errors; 1 warning emitted
-For more information about this error, try `rustc --explain E0392`.
+Some errors have detailed explanations: E0392, E0770.
+For more information about an error, try `rustc --explain E0392`.
error: aborting due to 4 previous errors
+For more information about this error, try `rustc --explain E0770`.
error: aborting due to 2 previous errors
+For more information about this error, try `rustc --explain E0770`.