Silence unstable feature warnings
Silence unstable feature warnings

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