derive: use latest compiletest_rs crate
derive: use latest compiletest_rs crate

Version 2.2 was not compiling any more: https://github.com/laumann/compiletest-rs/issues/51

rust-num/num-integer,vks/num,rust-num/num,rust-num/num-integer,koverstreet/num,rust-lang/num,rust-num/num-bigint,rust-num/num-traits,vks/num,DonSheddow/num,DonSheddow/num,rust-num/num,rust-num/num-bigint,rust-lang/num,koverstreet/num,rust-num/num-traits