libcollections: use `#[deriving(Copy)]`
libcore: use `#[deriving(Copy)]`
libfmt_macros: use `#[deriving(Copy)]`
libgetopts: use `#[deriving(Copy)]`
liblog: use `#[deriving(Copy)]`
librand: use `#[deriving(Copy)]`
librbml: use `#[deriving(Copy)]`
libregex: use `#[deriving(Copy)]`
librustc: use `#[deriving(Copy)]`
librustc_borrowck: use `#[deriving(Copy)]`
librustc_driver: use `#[deriving(Copy)]`
librustc_llvm: use `#[deriving(Copy)]`
librustc_trans: use `#[deriving(Copy)]`
librustc_typeck: use `#[deriving(Copy)]`
librustdoc: use `#[deriving(Copy)]`
librustrt: use `#[deriving(Copy)]`
libserialize: use `#[deriving(Copy)]`
libstd: use `#[deriving(Copy)]`
libsyntax: use `#[deriving(Copy)]`
libterm: use `#[deriving(Copy)]`