don't allow deprecated items.
don't allow deprecated items.

We don't actually use any.

rust-num/num-integer,vks/num,achanda/num,rust-lang/num,Gustorn/num,rust-lang/num,rust-num/num-integer,rust-num/num-bigint,Ticki/num,achanda/num,jdm/num,DonSheddow/num,Emerentius/num,jbcrail/num,rust-num/num-bigint,jbcrail/num,anchovieshat/num,bluss/num,hauleth/num,rust-num/num,rust-num/num-traits,anchovieshat/num,huonw/num,vks/num,DonSheddow/num,rust-num/num-traits,koverstreet/num,rust-num/num,ollie27/rust_num,koverstreet/num,tomaka/num