Restore --crate-type=metadata as an alias for --crate-type=rlib,--emit=metadata + a warning
Restore --crate-type=metadata as an alias for --crate-type=rlib,--emit=metadata + a warning

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