Set unaligned_references lint to deny in rustc_data_structures
Set unaligned_references lint to deny in rustc_data_structures

To detect misuse of private packed field in `PackedFingerprint`.

aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust